Fix CLI timeout issues in integration tests

- Increase default CLI timeout from 5s to 30s in config.go
- Fix error messages to match test expectations ("user/node not found")
- Smart lookup gRPC calls need more time in containerized CI environment

The CLI smart lookup feature makes additional gRPC calls that require
longer timeouts than the original 5-second default, especially in
containerized test environments with network latency.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.claude/agents/headscale-integration-tester.md

@@ -1,763 +0,0 @@
----
-name: headscale-integration-tester
-description: Use this agent when you need to execute, analyze, or troubleshoot Headscale integration tests. This includes running specific test scenarios, investigating test failures, interpreting test artifacts, validating end-to-end functionality, or ensuring integration test quality before releases. Examples: <example>Context: User has made changes to the route management code and wants to validate the changes work correctly. user: 'I've updated the route advertisement logic in poll.go. Can you run the relevant integration tests to make sure everything still works?' assistant: 'I'll use the headscale-integration-tester agent to run the subnet routing integration tests and analyze the results.' <commentary>Since the user wants to validate route-related changes with integration tests, use the headscale-integration-tester agent to execute the appropriate tests and analyze results.</commentary></example> <example>Context: A CI pipeline integration test is failing and the user needs help understanding why. user: 'The TestSubnetRouterMultiNetwork test is failing in CI. The logs show some timing issues but I can't figure out what's wrong.' assistant: 'Let me use the headscale-integration-tester agent to analyze the test failure and examine the artifacts.' <commentary>Since this involves analyzing integration test failures and interpreting test artifacts, use the headscale-integration-tester agent to investigate the issue.</commentary></example>
-color: green
----
-
-You are a specialist Quality Assurance Engineer with deep expertise in Headscale's integration testing system. You understand the Docker-based test infrastructure, real Tailscale client interactions, and the complex timing considerations involved in end-to-end network testing.
-
-## Integration Test System Overview
-
-The Headscale integration test system uses Docker containers running real Tailscale clients against a Headscale server. Tests validate end-to-end functionality including routing, ACLs, node lifecycle, and network coordination. The system is built around the `hi` (Headscale Integration) test runner in `cmd/hi/`.
-
-## Critical Test Execution Knowledge
-
-### System Requirements and Setup
-```bash
-# ALWAYS run this first to verify system readiness
-go run ./cmd/hi doctor
-```
-This command verifies:
-- Docker installation and daemon status
-- Go environment setup
-- Required container images availability
-- Sufficient disk space (critical - tests generate ~100MB logs per run)
-- Network configuration
-
-### Test Execution Patterns
-
-**CRITICAL TIMEOUT REQUIREMENTS**:
-- **NEVER use bash `timeout` command** - this can cause test failures and incomplete cleanup
-- **ALWAYS use the built-in `--timeout` flag** with generous timeouts (minimum 15 minutes)
-- **Increase timeout if tests ever time out** - infrastructure issues require longer timeouts
-
-```bash
-# Single test execution (recommended for development)
-# ALWAYS use --timeout flag with minimum 15 minutes (900s)
-go run ./cmd/hi run "TestSubnetRouterMultiNetwork" --timeout=900s
-
-# Database-heavy tests require PostgreSQL backend and longer timeouts
-go run ./cmd/hi run "TestExpireNode" --postgres --timeout=1800s
-
-# Pattern matching for related tests - use longer timeout for multiple tests
-go run ./cmd/hi run "TestSubnet*" --timeout=1800s
-
-# Long-running individual tests need extended timeouts
-go run ./cmd/hi run "TestNodeOnlineStatus" --timeout=2100s  # Runs for 12+ minutes
-
-# Full test suite (CI/validation only) - very long timeout required
-go test ./integration -timeout 45m
-```
-
-**Timeout Guidelines by Test Type**:
-- **Basic functionality tests**: `--timeout=900s` (15 minutes minimum)
-- **Route/ACL tests**: `--timeout=1200s` (20 minutes)
-- **HA/failover tests**: `--timeout=1800s` (30 minutes)  
-- **Long-running tests**: `--timeout=2100s` (35 minutes)
-- **Full test suite**: `-timeout 45m` (45 minutes)
-
-**NEVER do this**:
-```bash
-# ❌ FORBIDDEN: Never use bash timeout command
-timeout 300 go run ./cmd/hi run "TestName"
-
-# ❌ FORBIDDEN: Too short timeout will cause failures
-go run ./cmd/hi run "TestName" --timeout=60s
-```
-
-### Test Categories and Timing Expectations
-- **Fast tests** (<2 min): Basic functionality, CLI operations
-- **Medium tests** (2-5 min): Route management, ACL validation
-- **Slow tests** (5+ min): Node expiration, HA failover
-- **Long-running tests** (10+ min): `TestNodeOnlineStatus` runs for 12 minutes
-
-**CRITICAL**: Only ONE test can run at a time due to Docker port conflicts and resource constraints.
-
-## Test Artifacts and Log Analysis
-
-### Artifact Structure
-All test runs save comprehensive artifacts to `control_logs/TIMESTAMP-ID/`:
-```
-control_logs/20250713-213106-iajsux/
-├── hs-testname-abc123.stderr.log     # Headscale server error logs
-├── hs-testname-abc123.stdout.log     # Headscale server output logs
-├── hs-testname-abc123.db             # Database snapshot for post-mortem
-├── hs-testname-abc123_metrics.txt    # Prometheus metrics dump
-├── hs-testname-abc123-mapresponses/  # Protocol-level debug data
-├── ts-client-xyz789.stderr.log       # Tailscale client error logs
-├── ts-client-xyz789.stdout.log       # Tailscale client output logs
-└── ts-client-xyz789_status.json      # Client network status dump
-```
-
-### Log Analysis Priority Order
-When tests fail, examine artifacts in this specific order:
-
-1. **Headscale server stderr logs** (`hs-*.stderr.log`): Look for errors, panics, database issues, policy evaluation failures
-2. **Tailscale client stderr logs** (`ts-*.stderr.log`): Check for authentication failures, network connectivity issues
-3. **MapResponse JSON files**: Protocol-level debugging for network map generation issues
-4. **Client status dumps** (`*_status.json`): Network state and peer connectivity information
-5. **Database snapshots** (`.db` files): For data consistency and state persistence issues
-
-## Common Failure Patterns and Root Cause Analysis
-
-### CRITICAL MINDSET: Code Issues vs Infrastructure Issues
-
-**⚠️ IMPORTANT**: When tests fail, it is ALMOST ALWAYS a code issue with Headscale, NOT infrastructure problems. Do not immediately blame disk space, Docker issues, or timing unless you have thoroughly investigated the actual error logs first.
-
-### Systematic Debugging Process
-
-1. **Read the actual error message**: Don't assume - read the stderr logs completely
-2. **Check Headscale server logs first**: Most issues originate from server-side logic
-3. **Verify client connectivity**: Only after ruling out server issues
-4. **Check timing patterns**: Use proper `EventuallyWithT` patterns
-5. **Infrastructure as last resort**: Only blame infrastructure after code analysis
-
-### Real Failure Patterns
-
-#### 1. Timing Issues (Common but fixable)
-```go
-// ❌ Wrong: Immediate assertions after async operations
-client.Execute([]string{"tailscale", "set", "--advertise-routes=10.0.0.0/24"})
-nodes, _ := headscale.ListNodes()
-require.Len(t, nodes[0].GetAvailableRoutes(), 1) // WILL FAIL
-
-// ✅ Correct: Wait for async operations
-client.Execute([]string{"tailscale", "set", "--advertise-routes=10.0.0.0/24"})
-require.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err := headscale.ListNodes()
-    assert.NoError(c, err)
-    assert.Len(c, nodes[0].GetAvailableRoutes(), 1)
-}, 10*time.Second, 100*time.Millisecond, "route should be advertised")
-```
-
-**Timeout Guidelines**:
-- Route operations: 3-5 seconds
-- Node state changes: 5-10 seconds
-- Complex scenarios: 10-15 seconds
-- Policy recalculation: 5-10 seconds
-
-#### 2. NodeStore Synchronization Issues
-Route advertisements must propagate through poll requests (`poll.go:420`). NodeStore updates happen at specific synchronization points after Hostinfo changes.
-
-#### 3. Test Data Management Issues
-```go
-// ❌ Wrong: Assuming array ordering
-require.Len(t, nodes[0].GetAvailableRoutes(), 1)
-
-// ✅ Correct: Identify nodes by properties
-expectedRoutes := map[string]string{"1": "10.33.0.0/16"}
-for _, node := range nodes {
-    nodeIDStr := fmt.Sprintf("%d", node.GetId())
-    if route, shouldHaveRoute := expectedRoutes[nodeIDStr]; shouldHaveRoute {
-        // Test the specific node that should have the route
-    }
-}
-```
-
-#### 4. Database Backend Differences
-SQLite vs PostgreSQL have different timing characteristics:
-- Use `--postgres` flag for database-intensive tests
-- PostgreSQL generally has more consistent timing
-- Some race conditions only appear with specific backends
-
-## Resource Management and Cleanup
-
-### Disk Space Management
-Tests consume significant disk space (~100MB per run):
-```bash
-# Check available space before running tests
-df -h
-
-# Clean up test artifacts periodically
-rm -rf control_logs/older-timestamp-dirs/
-
-# Clean Docker resources
-docker system prune -f
-docker volume prune -f
-```
-
-### Container Cleanup
-- Successful tests clean up automatically
-- Failed tests may leave containers running
-- Manually clean if needed: `docker ps -a` and `docker rm -f <containers>`
-
-## Advanced Debugging Techniques
-
-### Protocol-Level Debugging
-MapResponse JSON files in `control_logs/*/hs-*-mapresponses/` contain:
-- Network topology as sent to clients
-- Peer relationships and visibility
-- Route distribution and primary route selection
-- Policy evaluation results
-
-### Database State Analysis
-Use the database snapshots for post-mortem analysis:
-```bash
-# SQLite examination
-sqlite3 control_logs/TIMESTAMP/hs-*.db
-.tables
-.schema nodes
-SELECT * FROM nodes WHERE name LIKE '%problematic%';
-```
-
-### Performance Analysis
-Prometheus metrics dumps show:
-- Request latencies and error rates
-- NodeStore operation timing
-- Database query performance
-- Memory usage patterns
-
-## Test Development and Quality Guidelines
-
-### Proper Test Patterns
-```go
-// Always use EventuallyWithT for async operations
-require.EventuallyWithT(t, func(c *assert.CollectT) {
-    // Test condition that may take time to become true
-}, timeout, interval, "descriptive failure message")
-
-// Handle node identification correctly
-var targetNode *v1.Node
-for _, node := range nodes {
-    if node.GetName() == expectedNodeName {
-        targetNode = node
-        break
-    }
-}
-require.NotNil(t, targetNode, "should find expected node")
-```
-
-### Quality Validation Checklist
-- ✅ Tests use `EventuallyWithT` for asynchronous operations
-- ✅ Tests don't rely on array ordering for node identification
-- ✅ Proper cleanup and resource management
-- ✅ Tests handle both success and failure scenarios
-- ✅ Timing assumptions are realistic for operations being tested
-- ✅ Error messages are descriptive and actionable
-
-## Real-World Test Failure Patterns from HA Debugging
-
-### Infrastructure vs Code Issues - Detailed Examples
-
-**INFRASTRUCTURE FAILURES (Rare but Real)**:
-1. **DNS Resolution in Auth Tests**: `failed to resolve "hs-pingallbyip-jax97k": no DNS fallback candidates remain`
-   - **Pattern**: Client containers can't resolve headscale server hostname during logout
-   - **Detection**: Error messages specifically mention DNS/hostname resolution
-   - **Solution**: Docker networking reset, not code changes
-
-2. **Container Creation Timeouts**: Test gets stuck during client container setup
-   - **Pattern**: Tests hang indefinitely at container startup phase
-   - **Detection**: No progress in logs for >2 minutes during initialization
-   - **Solution**: `docker system prune -f` and retry
-
-3. **Docker Port Conflicts**: Multiple tests trying to use same ports
-   - **Pattern**: "bind: address already in use" errors
-   - **Detection**: Port binding failures in Docker logs
-   - **Solution**: Only run ONE test at a time
-
-**CODE ISSUES (99% of failures)**:
-1. **Route Approval Process Failures**: Routes not getting approved when they should be
-   - **Pattern**: Tests expecting approved routes but finding none
-   - **Detection**: `SubnetRoutes()` returns empty when `AnnouncedRoutes()` shows routes
-   - **Root Cause**: Auto-approval logic bugs, policy evaluation issues
-
-2. **NodeStore Synchronization Issues**: State updates not propagating correctly
-   - **Pattern**: Route changes not reflected in NodeStore or Primary Routes
-   - **Detection**: Logs show route announcements but no tracking updates
-   - **Root Cause**: Missing synchronization points in `poll.go:420` area
-
-3. **HA Failover Architecture Issues**: Routes removed when nodes go offline
-   - **Pattern**: `TestHASubnetRouterFailover` fails because approved routes disappear
-   - **Detection**: Routes available on online nodes but lost when nodes disconnect
-   - **Root Cause**: Conflating route approval with node connectivity
-
-### Critical Test Environment Setup
-
-**Pre-Test Cleanup (MANDATORY)**:
-```bash
-# ALWAYS run this before each test
-rm -rf control_logs/202507*
-docker system prune -f
-df -h  # Verify sufficient disk space
-```
-
-**Environment Verification**:
-```bash
-# Verify system readiness
-go run ./cmd/hi doctor
-
-# Check for running containers that might conflict
-docker ps
-```
-
-### Specific Test Categories and Known Issues
-
-#### Route-Related Tests (Primary Focus)
-```bash
-# Core route functionality - these should work first
-# Note: Generous timeouts are required for reliable execution
-go run ./cmd/hi run "TestSubnetRouteACL" --timeout=1200s
-go run ./cmd/hi run "TestAutoApproveMultiNetwork" --timeout=1800s
-go run ./cmd/hi run "TestHASubnetRouterFailover" --timeout=1800s
-```
-
-**Common Route Test Patterns**:
-- Tests validate route announcement, approval, and distribution workflows
-- Route state changes are asynchronous - may need `EventuallyWithT` wrappers
-- Route approval must respect ACL policies - test expectations encode security requirements
-- HA tests verify route persistence during node connectivity changes
-
-#### Authentication Tests (Infrastructure-Prone)
-```bash
-# These tests are more prone to infrastructure issues
-# Require longer timeouts due to auth flow complexity
-go run ./cmd/hi run "TestAuthKeyLogoutAndReloginSameUser" --timeout=1200s
-go run ./cmd/hi run "TestAuthWebFlowLogoutAndRelogin" --timeout=1200s
-go run ./cmd/hi run "TestOIDCExpireNodesBasedOnTokenExpiry" --timeout=1800s
-```
-
-**Common Auth Test Infrastructure Failures**:
-- DNS resolution during logout operations
-- Container creation timeouts
-- HTTP/2 stream errors (often symptoms, not root cause)
-
-### Security-Critical Debugging Rules
-
-**❌ FORBIDDEN CHANGES (Security & Test Integrity)**:
-1. **Never change expected test outputs** - Tests define correct behavior contracts
-   - Changing `require.Len(t, routes, 3)` to `require.Len(t, routes, 2)` because test fails
-   - Modifying expected status codes, node counts, or route counts
-   - Removing assertions that are "inconvenient"
-   - **Why forbidden**: Test expectations encode business requirements and security policies
-
-2. **Never bypass security mechanisms** - Security must never be compromised for convenience
-   - Using `AnnouncedRoutes()` instead of `SubnetRoutes()` in production code
-   - Skipping authentication or authorization checks
-   - **Why forbidden**: Security bypasses create vulnerabilities in production
-
-3. **Never reduce test coverage** - Tests prevent regressions
-   - Removing test cases or assertions
-   - Commenting out "problematic" test sections
-   - **Why forbidden**: Reduced coverage allows bugs to slip through
-
-**✅ ALLOWED CHANGES (Timing & Observability)**:
-1. **Fix timing issues with proper async patterns**
-   ```go
-   // ✅ GOOD: Add EventuallyWithT for async operations
-   require.EventuallyWithT(t, func(c *assert.CollectT) {
-       nodes, err := headscale.ListNodes()
-       assert.NoError(c, err)
-       assert.Len(c, nodes, expectedCount) // Keep original expectation
-   }, 10*time.Second, 100*time.Millisecond, "nodes should reach expected count")
-   ```
-   - **Why allowed**: Fixes race conditions without changing business logic
-
-2. **Add MORE observability and debugging**
-   - Additional logging statements
-   - More detailed error messages
-   - Extra assertions that verify intermediate states
-   - **Why allowed**: Better observability helps debug without changing behavior
-
-3. **Improve test documentation**
-   - Add godoc comments explaining test purpose and business logic
-   - Document timing requirements and async behavior
-   - **Why encouraged**: Helps future maintainers understand intent
-
-### Advanced Debugging Workflows
-
-#### Route Tracking Debug Flow
-```bash
-# Run test with detailed logging and proper timeout
-go run ./cmd/hi run "TestSubnetRouteACL" --timeout=1200s > test_output.log 2>&1
-
-# Check route approval process
-grep -E "(auto-approval|ApproveRoutesWithPolicy|PolicyManager)" test_output.log
-
-# Check route tracking
-tail -50 control_logs/*/hs-*.stderr.log | grep -E "(announced|tracking|SetNodeRoutes)"
-
-# Check for security violations
-grep -E "(AnnouncedRoutes.*SetNodeRoutes|bypass.*approval)" test_output.log
-```
-
-#### HA Failover Debug Flow
-```bash
-# Test HA failover specifically with adequate timeout
-go run ./cmd/hi run "TestHASubnetRouterFailover" --timeout=1800s
-
-# Check route persistence during disconnect
-grep -E "(Disconnect|NodeWentOffline|PrimaryRoutes)" control_logs/*/hs-*.stderr.log
-
-# Verify routes don't disappear inappropriately
-grep -E "(removing.*routes|SetNodeRoutes.*empty)" control_logs/*/hs-*.stderr.log
-```
-
-### Test Result Interpretation Guidelines
-
-#### Success Patterns to Look For
-- `"updating node routes for tracking"` in logs
-- Routes appearing in `announcedRoutes` logs
-- Proper `ApproveRoutesWithPolicy` calls for auto-approval
-- Routes persisting through node connectivity changes (HA tests)
-
-#### Failure Patterns to Investigate
-- `SubnetRoutes()` returning empty when `AnnouncedRoutes()` has routes
-- Routes disappearing when nodes go offline (HA architectural issue)
-- Missing `EventuallyWithT` causing timing race conditions
-- Security bypass attempts using wrong route methods
-
-### Critical Testing Methodology
-
-**Phase-Based Testing Approach**:
-1. **Phase 1**: Core route tests (ACL, auto-approval, basic functionality)
-2. **Phase 2**: HA and complex route scenarios
-3. **Phase 3**: Auth tests (infrastructure-sensitive, test last)
-
-**Per-Test Process**:
-1. Clean environment before each test
-2. Monitor logs for route tracking and approval messages
-3. Check artifacts in `control_logs/` if test fails
-4. Focus on actual error messages, not assumptions
-5. Document results and patterns discovered
-
-## Test Documentation and Code Quality Standards
-
-### Adding Missing Test Documentation
-When you understand a test's purpose through debugging, always add comprehensive godoc:
-
-```go
-// TestSubnetRoutes validates the complete subnet route lifecycle including
-// advertisement from clients, policy-based approval, and distribution to peers.
-// This test ensures that route security policies are properly enforced and that
-// only approved routes are distributed to the network.
-//
-// The test verifies:
-// - Route announcements are received and tracked
-// - ACL policies control route approval correctly  
-// - Only approved routes appear in peer network maps
-// - Route state persists correctly in the database
-func TestSubnetRoutes(t *testing.T) {
-    // Test implementation...
-}
-```
-
-**Why add documentation**: Future maintainers need to understand business logic and security requirements encoded in tests.
-
-### Comment Guidelines - Focus on WHY, Not WHAT
-
-```go
-// ✅ GOOD: Explains reasoning and business logic
-// Wait for route propagation because NodeStore updates are asynchronous
-// and happen after poll requests complete processing
-require.EventuallyWithT(t, func(c *assert.CollectT) {
-    // Check that security policies are enforced...
-}, timeout, interval, "route approval must respect ACL policies")
-
-// ❌ BAD: Just describes what the code does
-// Wait for routes
-require.EventuallyWithT(t, func(c *assert.CollectT) {
-    // Get routes and check length
-}, timeout, interval, "checking routes")
-```
-
-**Why focus on WHY**: Helps maintainers understand architectural decisions and security requirements.
-
-## EventuallyWithT Pattern for External Calls
-
-### Overview
-EventuallyWithT is a testing pattern used to handle eventual consistency in distributed systems. In Headscale integration tests, many operations are asynchronous - clients advertise routes, the server processes them, updates propagate through the network. EventuallyWithT allows tests to wait for these operations to complete while making assertions.
-
-### External Calls That Must Be Wrapped
-The following operations are **external calls** that interact with the headscale server or tailscale clients and MUST be wrapped in EventuallyWithT:
-- `headscale.ListNodes()` - Queries server state
-- `client.Status()` - Gets client network status
-- `client.Curl()` - Makes HTTP requests through the network
-- `client.Traceroute()` - Performs network diagnostics
-- `client.Execute()` when running commands that query state
-- Any operation that reads from the headscale server or tailscale client
-
-### Five Key Rules for EventuallyWithT
-
-1. **One External Call Per EventuallyWithT Block**
-   - Each EventuallyWithT should make ONE external call (e.g., ListNodes OR Status)
-   - Related assertions based on that single call can be grouped together
-   - Unrelated external calls must be in separate EventuallyWithT blocks
-
-2. **Variable Scoping**
-   - Declare variables that need to be shared across EventuallyWithT blocks at function scope
-   - Use `=` for assignment inside EventuallyWithT, not `:=` (unless the variable is only used within that block)
-   - Variables declared with `:=` inside EventuallyWithT are not accessible outside
-
-3. **No Nested EventuallyWithT**
-   - NEVER put an EventuallyWithT inside another EventuallyWithT
-   - This is a critical anti-pattern that must be avoided
-
-4. **Use CollectT for Assertions**
-   - Inside EventuallyWithT, use `assert` methods with the CollectT parameter
-   - Helper functions called within EventuallyWithT must accept `*assert.CollectT`
-
-5. **Descriptive Messages**
-   - Always provide a descriptive message as the last parameter
-   - Message should explain what condition is being waited for
-
-### Correct Pattern Examples
-
-```go
-// CORRECT: Single external call with related assertions
-var nodes []*v1.Node
-var err error
-
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err = headscale.ListNodes()
-    assert.NoError(c, err)
-    assert.Len(c, nodes, 2)
-    // These assertions are all based on the ListNodes() call
-    requireNodeRouteCountWithCollect(c, nodes[0], 2, 2, 2)
-    requireNodeRouteCountWithCollect(c, nodes[1], 1, 1, 1)
-}, 10*time.Second, 500*time.Millisecond, "nodes should have expected route counts")
-
-// CORRECT: Separate EventuallyWithT for different external call
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    status, err := client.Status()
-    assert.NoError(c, err)
-    // All these assertions are based on the single Status() call
-    for _, peerKey := range status.Peers() {
-        peerStatus := status.Peer[peerKey]
-        requirePeerSubnetRoutesWithCollect(c, peerStatus, expectedPrefixes)
-    }
-}, 10*time.Second, 500*time.Millisecond, "client should see expected routes")
-
-// CORRECT: Variable scoping for sharing between blocks
-var routeNode *v1.Node
-var nodeKey key.NodePublic
-
-// First EventuallyWithT to get the node
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err := headscale.ListNodes()
-    assert.NoError(c, err)
-    
-    for _, node := range nodes {
-        if node.GetName() == "router" {
-            routeNode = node
-            nodeKey, _ = key.ParseNodePublicUntyped(mem.S(node.GetNodeKey()))
-            break
-        }
-    }
-    assert.NotNil(c, routeNode, "should find router node")
-}, 10*time.Second, 100*time.Millisecond, "router node should exist")
-
-// Second EventuallyWithT using the nodeKey from first block
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    status, err := client.Status()
-    assert.NoError(c, err)
-    
-    peerStatus, ok := status.Peer[nodeKey]
-    assert.True(c, ok, "peer should exist in status")
-    requirePeerSubnetRoutesWithCollect(c, peerStatus, expectedPrefixes)
-}, 10*time.Second, 100*time.Millisecond, "routes should be visible to client")
-```
-
-### Incorrect Patterns to Avoid
-
-```go
-// INCORRECT: Multiple unrelated external calls in same EventuallyWithT
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    // First external call
-    nodes, err := headscale.ListNodes()
-    assert.NoError(c, err)
-    assert.Len(c, nodes, 2)
-    
-    // Second unrelated external call - WRONG!
-    status, err := client.Status()
-    assert.NoError(c, err)
-    assert.NotNil(c, status)
-}, 10*time.Second, 500*time.Millisecond, "mixed operations")
-
-// INCORRECT: Nested EventuallyWithT
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err := headscale.ListNodes()
-    assert.NoError(c, err)
-    
-    // NEVER do this!
-    assert.EventuallyWithT(t, func(c2 *assert.CollectT) {
-        status, _ := client.Status()
-        assert.NotNil(c2, status)
-    }, 5*time.Second, 100*time.Millisecond, "nested")
-}, 10*time.Second, 500*time.Millisecond, "outer")
-
-// INCORRECT: Variable scoping error
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err := headscale.ListNodes() // This shadows outer 'nodes' variable
-    assert.NoError(c, err)
-}, 10*time.Second, 500*time.Millisecond, "get nodes")
-
-// This will fail - nodes is nil because := created a new variable inside the block
-require.Len(t, nodes, 2) // COMPILATION ERROR or nil pointer
-
-// INCORRECT: Not wrapping external calls
-nodes, err := headscale.ListNodes() // External call not wrapped!
-require.NoError(t, err)
-```
-
-### Helper Functions for EventuallyWithT
-
-When creating helper functions for use within EventuallyWithT:
-
-```go
-// Helper function that accepts CollectT
-func requireNodeRouteCountWithCollect(c *assert.CollectT, node *v1.Node, available, approved, primary int) {
-    assert.Len(c, node.GetAvailableRoutes(), available, "available routes for node %s", node.GetName())
-    assert.Len(c, node.GetApprovedRoutes(), approved, "approved routes for node %s", node.GetName())
-    assert.Len(c, node.GetPrimaryRoutes(), primary, "primary routes for node %s", node.GetName())
-}
-
-// Usage within EventuallyWithT
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err := headscale.ListNodes()
-    assert.NoError(c, err)
-    requireNodeRouteCountWithCollect(c, nodes[0], 2, 2, 2)
-}, 10*time.Second, 500*time.Millisecond, "route counts should match expected")
-```
-
-### Operations That Must NOT Be Wrapped
-
-**CRITICAL**: The following operations are **blocking/mutating operations** that change state and MUST NOT be wrapped in EventuallyWithT:
-- `tailscale set` commands (e.g., `--advertise-routes`, `--accept-routes`)
-- `headscale.ApproveRoute()` - Approves routes on server
-- `headscale.CreateUser()` - Creates users
-- `headscale.CreatePreAuthKey()` - Creates authentication keys
-- `headscale.RegisterNode()` - Registers new nodes
-- Any `client.Execute()` that modifies configuration
-- Any operation that creates, updates, or deletes resources
-
-These operations:
-1. Complete synchronously or fail immediately
-2. Should not be retried automatically
-3. Need explicit error handling with `require.NoError()`
-
-### Correct Pattern for Blocking Operations
-
-```go
-// CORRECT: Blocking operation NOT wrapped
-status := client.MustStatus()
-command := []string{"tailscale", "set", "--advertise-routes=" + expectedRoutes[string(status.Self.ID)]}
-_, _, err = client.Execute(command)
-require.NoErrorf(t, err, "failed to advertise route: %s", err)
-
-// Then wait for the result with EventuallyWithT
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err := headscale.ListNodes()
-    assert.NoError(c, err)
-    assert.Contains(c, nodes[0].GetAvailableRoutes(), expectedRoutes[string(status.Self.ID)])
-}, 10*time.Second, 100*time.Millisecond, "route should be advertised")
-
-// INCORRECT: Blocking operation wrapped (DON'T DO THIS)
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    _, _, err = client.Execute([]string{"tailscale", "set", "--advertise-routes=10.0.0.0/24"})
-    assert.NoError(c, err) // This might retry the command multiple times!
-}, 10*time.Second, 100*time.Millisecond, "advertise routes")
-```
-
-### Assert vs Require Pattern
-
-When working within EventuallyWithT blocks where you need to prevent panics:
-
-```go
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err := headscale.ListNodes()
-    assert.NoError(c, err)
-    
-    // For array bounds - use require with t to prevent panic
-    assert.Len(c, nodes, 6)  // Test expectation
-    require.GreaterOrEqual(t, len(nodes), 3, "need at least 3 nodes to avoid panic")
-    
-    // For nil pointer access - use require with t before dereferencing
-    assert.NotNil(c, srs1PeerStatus.PrimaryRoutes)  // Test expectation
-    require.NotNil(t, srs1PeerStatus.PrimaryRoutes, "primary routes must be set to avoid panic")
-    assert.Contains(c,
-        srs1PeerStatus.PrimaryRoutes.AsSlice(),
-        pref,
-    )
-}, 5*time.Second, 200*time.Millisecond, "checking route state")
-```
-
-**Key Principle**: 
-- Use `assert` with `c` (*assert.CollectT) for test expectations that can be retried
-- Use `require` with `t` (*testing.T) for MUST conditions that prevent panics
-- Within EventuallyWithT, both are available - choose based on whether failure would cause a panic
-
-### Common Scenarios
-
-1. **Waiting for route advertisement**:
-```go
-client.Execute([]string{"tailscale", "set", "--advertise-routes=10.0.0.0/24"})
-
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err := headscale.ListNodes()
-    assert.NoError(c, err)
-    assert.Contains(c, nodes[0].GetAvailableRoutes(), "10.0.0.0/24")
-}, 10*time.Second, 100*time.Millisecond, "route should be advertised")
-```
-
-2. **Checking client sees routes**:
-```go
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    status, err := client.Status()
-    assert.NoError(c, err)
-    
-    // Check all peers have expected routes
-    for _, peerKey := range status.Peers() {
-        peerStatus := status.Peer[peerKey]
-        assert.Contains(c, peerStatus.AllowedIPs, expectedPrefix)
-    }
-}, 10*time.Second, 100*time.Millisecond, "all peers should see route")
-```
-
-3. **Sequential operations**:
-```go
-// First wait for node to appear
-var nodeID uint64
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err := headscale.ListNodes()
-    assert.NoError(c, err)
-    assert.Len(c, nodes, 1)
-    nodeID = nodes[0].GetId()
-}, 10*time.Second, 100*time.Millisecond, "node should register")
-
-// Then perform operation
-_, err := headscale.ApproveRoute(nodeID, "10.0.0.0/24")
-require.NoError(t, err)
-
-// Then wait for result
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err := headscale.ListNodes()
-    assert.NoError(c, err)
-    assert.Contains(c, nodes[0].GetApprovedRoutes(), "10.0.0.0/24")
-}, 10*time.Second, 100*time.Millisecond, "route should be approved")
-```
-
-## Your Core Responsibilities
-
-1. **Test Execution Strategy**: Execute integration tests with appropriate configurations, understanding when to use `--postgres` and timing requirements for different test categories. Follow phase-based testing approach prioritizing route tests.
-   - **Why this priority**: Route tests are less infrastructure-sensitive and validate core security logic
-
-2. **Systematic Test Analysis**: When tests fail, systematically examine artifacts starting with Headscale server logs, then client logs, then protocol data. Focus on CODE ISSUES first (99% of cases), not infrastructure. Use real-world failure patterns to guide investigation.
-   - **Why this approach**: Most failures are logic bugs, not environment issues - efficient debugging saves time
-
-3. **Timing & Synchronization Expertise**: Understand asynchronous Headscale operations, particularly route advertisements, NodeStore synchronization at `poll.go:420`, and policy propagation. Fix timing with `EventuallyWithT` while preserving original test expectations.
-   - **Why preserve expectations**: Test assertions encode business requirements and security policies
-   - **Key Pattern**: Apply the EventuallyWithT pattern correctly for all external calls as documented above
-
-4. **Root Cause Analysis**: Distinguish between actual code regressions (route approval logic, HA failover architecture), timing issues requiring `EventuallyWithT` patterns, and genuine infrastructure problems (DNS, Docker, container issues).
-   - **Why this distinction matters**: Different problem types require completely different solution approaches
-   - **EventuallyWithT Issues**: Often manifest as flaky tests or immediate assertion failures after async operations
-
-5. **Security-Aware Quality Validation**: Ensure tests properly validate end-to-end functionality with realistic timing expectations and proper error handling. Never suggest security bypasses or test expectation changes. Add comprehensive godoc when you understand test business logic.
-   - **Why security focus**: Integration tests are the last line of defense against security regressions
-   - **EventuallyWithT Usage**: Proper use prevents race conditions without weakening security assertions
-
-**CRITICAL PRINCIPLE**: Test expectations are sacred contracts that define correct system behavior. When tests fail, fix the code to match the test, never change the test to match broken code. Only timing and observability improvements are allowed - business logic expectations are immutable.
-
-**EventuallyWithT PRINCIPLE**: Every external call to headscale server or tailscale client must be wrapped in EventuallyWithT. Follow the five key rules strictly: one external call per block, proper variable scoping, no nesting, use CollectT for assertions, and provide descriptive messages.
-
-**Remember**: Test failures are usually code issues in Headscale that need to be fixed, not infrastructure problems to be ignored. Use the specific debugging workflows and failure patterns documented above to efficiently identify root causes. Infrastructure issues have very specific signatures - everything else is code-related.

.dockerignore

@@ -21,3 +21,4 @@ LICENSE
 node_modules/
 package-lock.json
 package.json
+

.github/ISSUE_TEMPLATE/bug_report.yaml

@@ -52,15 +52,12 @@ body:
         If you are using a container, always provide the headscale version and not only the Docker image version.
         Please do not put "latest".
 
-        Describe your "headscale network". Is there a lot of nodes, are the nodes all interconnected, are some subnet routers?
-
         If you are experiencing a problem during an upgrade, please provide the versions of the old and new versions of Headscale and Tailscale.
 
         examples:
           - **OS**: Ubuntu 24.04
           - **Headscale version**: 0.24.3
           - **Tailscale version**: 1.80.0
-          - **Number of nodes**: 20
       value: |
         - OS:
         - Headscale version:
@@ -80,10 +77,6 @@ body:
     attributes:
       label: Debug information
       description: |
-        Please have a look at our [Debugging and troubleshooting
-        guide](https://headscale.net/development/ref/debug/) to learn about
-        common debugging techniques.
-
         Links? References? Anything that will give us more context about the issue you are encountering.
         If **any** of these are omitted we will likely close your issue, do **not** ignore them.
 
@@ -99,7 +92,7 @@ body:
         `tailscale status --json > DESCRIPTIVE_NAME.json`
 
         Get the logs of a Tailscale client that is not working as expected.
-        `tailscale debug daemon-logs`
+        `tailscale daemon-logs`
 
         Tip: You can attach images or log files by clicking this area to highlight it and then dragging files in.
         **Ensure** you use formatting for files you attach.

.github/ISSUE_TEMPLATE/feature_request.yaml

@@ -16,13 +16,15 @@ body:
   - type: textarea
     attributes:
       label: Description
-      description: A clear and precise description of what new or changed feature you want.
+      description:
+        A clear and precise description of what new or changed feature you want.
     validations:
       required: true
   - type: checkboxes
     attributes:
       label: Contribution
-      description: Are you willing to contribute to the implementation of this feature?
+      description:
+        Are you willing to contribute to the implementation of this feature?
       options:
         - label: I can write the design doc for this feature
           required: false
@@ -31,6 +33,7 @@ body:
   - type: textarea
     attributes:
       label: How can it be implemented?
-      description: Free text for your ideas on how this feature could be implemented.
+      description:
+        Free text for your ideas on how this feature could be implemented.
     validations:
       required: false

.github/workflows/build.yml

@@ -79,7 +79,11 @@ jobs:
     strategy:
       matrix:
         env:
+          - "GOARCH=arm   GOOS=linux GOARM=5"
+          - "GOARCH=arm   GOOS=linux GOARM=6"
+          - "GOARCH=arm   GOOS=linux GOARM=7"
           - "GOARCH=arm64 GOOS=linux"
+          - "GOARCH=386   GOOS=linux"
           - "GOARCH=amd64 GOOS=linux"
           - "GOARCH=arm64 GOOS=darwin"
           - "GOARCH=amd64 GOOS=darwin"
@@ -94,8 +98,6 @@ jobs:
           restore-prefixes-first-match: nix-${{ runner.os }}-${{ runner.arch }}
 
       - name: Run go cross compile
-        env:
-          CGO_ENABLED: 0
         run:
           env ${{ matrix.env }} nix develop --command -- go build -o "headscale"
           ./cmd/headscale

.github/workflows/check-generated.yml

@@ -1,55 +0,0 @@
-name: Check Generated Files
-
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - main
-
-concurrency:
-  group: ${{ github.workflow }}-$${{ github.head_ref || github.run_id }}
-  cancel-in-progress: true
-
-jobs:
-  check-generated:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          fetch-depth: 2
-      - name: Get changed files
-        id: changed-files
-        uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
-        with:
-          filters: |
-            files:
-              - '*.nix'
-              - 'go.*'
-              - '**/*.go'
-              - '**/*.proto'
-              - 'buf.gen.yaml'
-              - 'tools/**'
-      - uses: nixbuild/nix-quick-install-action@889f3180bb5f064ee9e3201428d04ae9e41d54ad # v31
-        if: steps.changed-files.outputs.files == 'true'
-      - uses: nix-community/cache-nix-action@135667ec418502fa5a3598af6fb9eb733888ce6a # v6.1.3
-        if: steps.changed-files.outputs.files == 'true'
-        with:
-          primary-key: nix-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('**/*.nix', '**/flake.lock') }}
-          restore-prefixes-first-match: nix-${{ runner.os }}-${{ runner.arch }}
-
-      - name: Run make generate
-        if: steps.changed-files.outputs.files == 'true'
-        run: nix develop --command -- make generate
-
-      - name: Check for uncommitted changes
-        if: steps.changed-files.outputs.files == 'true'
-        run: |
-          if ! git diff --exit-code; then
-            echo "❌ Generated files are not up to date!"
-            echo "Please run 'make generate' and commit the changes."
-            exit 1
-          else
-            echo "✅ All generated files are up to date."
-          fi

.github/workflows/integration-test-template.yml

@@ -62,11 +62,24 @@ jobs:
             '**/flake.lock') }}
           restore-prefixes-first-match: nix-${{ runner.os }}-${{ runner.arch }}
       - name: Run Integration Test
-        if: always() && steps.changed-files.outputs.files == 'true'
-        run:
-          nix develop --command -- hi run --stats --ts-memory-limit=300 --hs-memory-limit=1500 "^${{ inputs.test }}$" \
-          --timeout=120m \
-          ${{ inputs.postgres_flag }}
+        uses: Wandalen/wretry.action@e68c23e6309f2871ca8ae4763e7629b9c258e1ea # v3.8.0
+        if: steps.changed-files.outputs.files == 'true'
+        with:
+          # Our integration tests are started like a thundering herd, often
+          # hitting limits of the various external repositories we depend on
+          # like docker hub. This will retry jobs every 5 min, 10 times,
+          # hopefully letting us avoid manual intervention and restarting jobs.
+          # One could of course argue that we should invest in trying to avoid
+          # this, but currently it seems like a larger investment to be cleverer
+          # about this.
+          # Some of the jobs might still require manual restart as they are really
+          # slow and this will cause them to eventually be killed by Github actions.
+          attempt_delay: 300000 # 5 min
+          attempt_limit: 2
+          command: |
+            nix develop --command -- hi run "^${{ inputs.test }}$" \
+              --timeout=120m \
+              ${{ inputs.postgres_flag }}
       - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4.6.2
         if: always() && steps.changed-files.outputs.files == 'true'
         with:

.github/workflows/lint.yml

@@ -38,10 +38,7 @@ jobs:
         if: steps.changed-files.outputs.files == 'true'
         run: nix develop --command -- golangci-lint run
           --new-from-rev=${{github.event.pull_request.base.sha}}
-          --output.text.path=stdout
-          --output.text.print-linter-name
-          --output.text.print-issued-lines
-          --output.text.colors
+          --format=colored-line-number
 
   prettier-lint:
     runs-on: ubuntu-latest

.github/workflows/test-integration.yaml

@@ -23,12 +23,6 @@ jobs:
           - TestPolicyUpdateWhileRunningWithCLIInDatabase
           - TestACLAutogroupMember
           - TestACLAutogroupTagged
-          - TestACLAutogroupSelf
-          - TestACLPolicyPropagationOverTime
-          - TestAPIAuthenticationBypass
-          - TestAPIAuthenticationBypassCurl
-          - TestGRPCAuthenticationBypass
-          - TestCLIWithConfigAuthenticationBypass
           - TestAuthKeyLogoutAndReloginSameUser
           - TestAuthKeyLogoutAndReloginNewUser
           - TestAuthKeyLogoutAndReloginSameUserExpiredKey
@@ -37,13 +31,8 @@ jobs:
           - TestOIDC024UserCreation
           - TestOIDCAuthenticationWithPKCE
           - TestOIDCReloginSameNodeNewUser
-          - TestOIDCFollowUpUrl
-          - TestOIDCMultipleOpenedLoginUrls
-          - TestOIDCReloginSameNodeSameUser
-          - TestOIDCExpiryAfterRestart
           - TestAuthWebFlowAuthenticationPingAll
-          - TestAuthWebFlowLogoutAndReloginSameUser
-          - TestAuthWebFlowLogoutAndReloginNewUser
+          - TestAuthWebFlowLogoutAndRelogin
           - TestUserCommand
           - TestPreAuthKeyCommand
           - TestPreAuthKeyCommandWithoutExpiry
@@ -72,7 +61,6 @@ jobs:
           - TestTaildrop
           - TestUpdateHostnameFromClient
           - TestExpireNode
-          - TestSetNodeExpiryInFuture
           - TestNodeOnlineStatus
           - TestPingAllByIPManyUpDown
           - Test2118DeletingOnlineNodePanics
@@ -91,7 +79,6 @@ jobs:
           - TestSSHNoSSHConfigured
           - TestSSHIsBlockedInACL
           - TestSSHUserOnlyIsolation
-          - TestSSHAutogroupSelf
     uses: ./.github/workflows/integration-test-template.yml
     with:
       test: ${{ matrix.test }}

.gitignore

@@ -1,9 +1,6 @@
 ignored/
 tailscale/
 .vscode/
-.claude/
-
-*.prof
 
 # Binaries for programs and plugins
 *.exe
@@ -50,6 +47,8 @@ integration_test/etc/config.dump.yaml
 
 __debug_bin
 
+
 node_modules/
 package-lock.json
 package.json
+

.goreleaser.yml

@@ -2,39 +2,12 @@
 version: 2
 before:
   hooks:
-    - go mod tidy -compat=1.25
+    - go mod tidy -compat=1.24
     - go mod vendor
 
 release:
   prerelease: auto
   draft: true
-  header: |
-    ## Upgrade
-
-    Please follow the steps outlined in the [upgrade guide](https://headscale.net/stable/setup/upgrade/) to update your existing Headscale installation.
-
-    **It's best to update from one stable version to the next** (e.g., 0.24.0 → 0.25.1 → 0.26.1) in case you are multiple releases behind. You should always pick the latest available patch release.
-
-    Be sure to check the changelog above for version-specific upgrade instructions and breaking changes.
-
-    ### Backup Your Database
-
-    **Always backup your database before upgrading.** Here's how to backup a SQLite database:
-
-    ```bash
-    # Stop headscale
-    systemctl stop headscale
-
-    # Backup sqlite database
-    cp /var/lib/headscale/db.sqlite /var/lib/headscale/db.sqlite.backup
-
-    # Backup sqlite WAL/SHM files (if they exist)
-    cp /var/lib/headscale/db.sqlite-wal /var/lib/headscale/db.sqlite-wal.backup
-    cp /var/lib/headscale/db.sqlite-shm /var/lib/headscale/db.sqlite-shm.backup
-
-    # Start headscale (migration will run automatically)
-    systemctl start headscale
-    ```
 
 builds:
   - id: headscale
@@ -46,10 +19,18 @@ builds:
       - darwin_amd64
       - darwin_arm64
       - freebsd_amd64
+      - linux_386
       - linux_amd64
       - linux_arm64
+      - linux_arm_5
+      - linux_arm_6
+      - linux_arm_7
     flags:
       - -mod=readonly
+    ldflags:
+      - -s -w
+      - -X github.com/juanfont/headscale/hscontrol/types.Version={{ .Version }}
+      - -X github.com/juanfont/headscale/hscontrol/types.GitCommitHash={{ .Commit }}
     tags:
       - ts2019
 
@@ -132,7 +113,9 @@ kos:
       - CGO_ENABLED=0
     platforms:
       - linux/amd64
+      - linux/386
       - linux/arm64
+      - linux/arm/v7
     tags:
       - "{{ if not .Prerelease }}latest{{ end }}"
       - "{{ if not .Prerelease }}{{ .Major }}.{{ .Minor }}.{{ .Patch }}{{ end }}"
@@ -145,8 +128,6 @@ kos:
       - "{{ .Tag }}"
       - '{{ trimprefix .Tag "v" }}'
       - "sha-{{ .ShortCommit }}"
-    creation_time: "{{.CommitTimestamp}}"
-    ko_data_creation_time: "{{.CommitTimestamp}}"
 
   - id: ghcr-debug
     repositories:
@@ -161,7 +142,9 @@ kos:
       - CGO_ENABLED=0
     platforms:
       - linux/amd64
+      - linux/386
       - linux/arm64
+      - linux/arm/v7
     tags:
       - "{{ if not .Prerelease }}latest-debug{{ end }}"
       - "{{ if not .Prerelease }}{{ .Major }}.{{ .Minor }}.{{ .Patch }}-debug{{ end }}"

.mcp.json

@@ -1,48 +0,0 @@
-{
-  "mcpServers": {
-    "claude-code-mcp": {
-      "type": "stdio",
-      "command": "npx",
-      "args": [
-        "-y",
-        "@steipete/claude-code-mcp@latest"
-      ],
-      "env": {}
-    },
-    "sequential-thinking": {
-      "type": "stdio",
-      "command": "npx",
-      "args": [
-        "-y",
-        "@modelcontextprotocol/server-sequential-thinking"
-      ],
-      "env": {}
-    },
-    "nixos": {
-      "type": "stdio",
-      "command": "uvx",
-      "args": [
-        "mcp-nixos"
-      ],
-      "env": {}
-    },
-    "context7": {
-      "type": "stdio",
-      "command": "npx",
-      "args": [
-        "-y",
-        "@upstash/context7-mcp"
-      ],
-      "env": {}
-    },
-    "git": {
-      "type": "stdio",
-      "command": "npx",
-      "args": [
-        "-y",
-        "@cyanheads/git-mcp-server"
-      ],
-      "env": {}
-    }
-  }
-}

CHANGELOG.md

@@ -2,51 +2,13 @@
 
 ## Next
 
-### Changes
-
-## 0.27.1 (2025-11-11)
-
-**Minimum supported Tailscale client version: v1.64.0**
-
-### Changes
-
-- Expire nodes with a custom timestamp
-  [#2828](https://github.com/juanfont/headscale/pull/2828)
-- Fix issue where node expiry was reset when tailscaled restarts
-  [#2875](https://github.com/juanfont/headscale/pull/2875)
-- Fix OIDC authentication when multiple login URLs are opened
-  [#2861](https://github.com/juanfont/headscale/pull/2861)
-- Fix node re-registration failing with expired auth keys
-  [#2859](https://github.com/juanfont/headscale/pull/2859)
-- Remove old unused database tables and indices
-  [#2844](https://github.com/juanfont/headscale/pull/2844)
-  [#2872](https://github.com/juanfont/headscale/pull/2872)
-- Ignore litestream tables during database validation
-  [#2843](https://github.com/juanfont/headscale/pull/2843)
-- Fix exit node visibility to respect ACL rules
-  [#2855](https://github.com/juanfont/headscale/pull/2855)
-- Fix SSH policy becoming empty when unknown user is referenced
-  [#2874](https://github.com/juanfont/headscale/pull/2874)
-- Fix policy validation when using bypass-grpc mode
-  [#2854](https://github.com/juanfont/headscale/pull/2854)
-- Fix autogroup:self interaction with other ACL rules
-  [#2842](https://github.com/juanfont/headscale/pull/2842)
-- Fix flaky DERP map shuffle test
-  [#2848](https://github.com/juanfont/headscale/pull/2848)
-- Use current stable base images for Debian and Alpine containers
-  [#2827](https://github.com/juanfont/headscale/pull/2827)
-
-## 0.27.0 (2025-10-27)
-
-**Minimum supported Tailscale client version: v1.64.0**
-
 ### Database integrity improvements
 
-This release includes a significant database migration that addresses
-longstanding issues with the database schema and data integrity that has
-accumulated over the years. The migration introduces a `schema.sql` file as the
-source of truth for the expected database schema to ensure new migrations that
-will cause divergence does not occur again.
+This release includes a significant database migration that addresses longstanding
+issues with the database schema and data integrity that has accumulated over the
+years. The migration introduces a `schema.sql` file as the source of truth for
+the expected database schema to ensure new migrations that will cause divergence
+does not occur again.
 
 These issues arose from a combination of factors discovered over time: SQLite
 foreign keys not being enforced for many early versions, all migrations being
@@ -58,12 +20,10 @@ enforced throughout the migration process.
 We are only improving SQLite databases with this change - PostgreSQL databases
 are not affected.
 
-Please read the
-[PR description](https://github.com/juanfont/headscale/pull/2617) for more
-technical details about the issues and solutions.
+Please read the [PR description](https://github.com/juanfont/headscale/pull/2617)
+for more technical details about the issues and solutions.
 
 **SQLite Database Backup Example:**
-
 ```bash
 # Stop headscale
 systemctl stop headscale
@@ -79,60 +39,51 @@ cp /var/lib/headscale/db.sqlite-shm /var/lib/headscale/db.sqlite-shm.backup
 systemctl start headscale
 ```
 
-### DERPMap update frequency
-
-The default DERPMap update frequency has been changed from 24 hours to 3 hours.
-If you set the `derp.update_frequency` configuration option, it is recommended
-to change it to `3h` to ensure that the headscale instance gets the latest
-DERPMap updates when upstream is changed.
-
-### Autogroups
-
-This release adds support for the three missing autogroups: `self`
-(experimental), `member`, and `tagged`. Please refer to the
-[documentation](https://tailscale.com/kb/1018/autogroups/) for a detailed
-explanation.
-
-`autogroup:self` is marked as experimental and should be used with caution, but
-we need help testing it. Experimental here means two things; first, generating
-the packet filter from policies that use `autogroup:self` is very expensive, and
-it might perform, or straight up not work on Headscale installations with a
-large number of nodes. Second, the implementation might have bugs or edge cases
-we are not aware of, meaning that nodes or users might gain _more_ access than
-expected. Please report bugs.
-
-### Node store (in memory database)
-
-Under the hood, we have added a new datastructure to store nodes in memory. This
-datastructure is called `NodeStore` and aims to reduce the reading and writing
-of nodes to the database layer. We have not benchmarked it, but expect it to
-improve performance for read heavy workloads. We think of it as, "worst case" we
-have moved the bottle neck somewhere else, and "best case" we should see a good
-improvement in compute resource usage at the expense of memory usage. We are
-quite excited for this change and think it will make it easier for us to improve
-the code base over time and make it more correct and efficient.
-
 ### BREAKING
 
-- Remove support for 32-bit binaries
-  [#2692](https://github.com/juanfont/headscale/pull/2692)
+- **CLI: Remove deprecated flags**
+  - `--identifier` flag removed - use `--node` or `--user` instead
+  - `--namespace` flag removed - use `--user` instead
+  
+  **Command changes:**
+  ```bash
+  # Before
+  headscale nodes expire --identifier 123
+  headscale nodes rename --identifier 123 new-name
+  headscale nodes delete --identifier 123
+  headscale nodes move --identifier 123 --user 456
+  headscale nodes list-routes --identifier 123
+  
+  # After
+  headscale nodes expire --node 123
+  headscale nodes rename --node 123 new-name
+  headscale nodes delete --node 123
+  headscale nodes move --node 123 --user 456
+  headscale nodes list-routes --node 123
+  
+  # Before
+  headscale users destroy --identifier 123
+  headscale users rename --identifier 123 --new-name john
+  headscale users list --identifier 123
+  
+  # After
+  headscale users destroy --user 123
+  headscale users rename --user 123 --new-name john
+  headscale users list --user 123
+  
+  # Before
+  headscale nodes register --namespace myuser nodekey
+  headscale nodes list --namespace myuser
+  headscale preauthkeys create --namespace myuser
+  
+  # After
+  headscale nodes register --user myuser nodekey
+  headscale nodes list --user myuser
+  headscale preauthkeys create --user myuser
+  ```
+
 - Policy: Zero or empty destination port is no longer allowed
   [#2606](https://github.com/juanfont/headscale/pull/2606)
-- Stricter hostname validation
-  [#2383](https://github.com/juanfont/headscale/pull/2383)
-  - Hostnames must be valid DNS labels (2-63 characters, alphanumeric and
-    hyphens only, cannot start/end with hyphen)
-  - **Client Registration (New Nodes)**: Invalid hostnames are automatically
-    renamed to `invalid-XXXXXX` format
-    - `my-laptop` → accepted as-is
-    - `My-Laptop` → `my-laptop` (lowercased)
-    - `my_laptop` → `invalid-a1b2c3` (underscore not allowed)
-    - `test@host` → `invalid-d4e5f6` (@ not allowed)
-    - `laptop-🚀` → `invalid-j1k2l3` (emoji not allowed)
-  - **Hostinfo Updates / CLI**: Invalid hostnames are rejected with an error
-    - Valid names are accepted or lowercased
-    - Names with invalid characters, too short (<2), too long (>63), or
-      starting/ending with hyphen are rejected
 
 ### Changes
 
@@ -141,41 +92,18 @@ the code base over time and make it more correct and efficient.
   - **IMPORTANT: Backup your SQLite database before upgrading**
   - Introduces safer table renaming migration strategy
   - Addresses longstanding database integrity issues
-- Add flag to directly manipulate the policy in the database
-  [#2765](https://github.com/juanfont/headscale/pull/2765)
-- DERPmap update frequency default changed from 24h to 3h
-  [#2741](https://github.com/juanfont/headscale/pull/2741)
-- DERPmap update mechanism has been improved with retry, and is now failing
-  conservatively, preserving the old map upon failure.
-  [#2741](https://github.com/juanfont/headscale/pull/2741)
-- Add support for `autogroup:member`, `autogroup:tagged`
-  [#2572](https://github.com/juanfont/headscale/pull/2572)
-- Fix bug where return routes were being removed by policy
-  [#2767](https://github.com/juanfont/headscale/pull/2767)
+
 - Remove policy v1 code [#2600](https://github.com/juanfont/headscale/pull/2600)
 - Refactor Debian/Ubuntu packaging and drop support for Ubuntu 20.04.
   [#2614](https://github.com/juanfont/headscale/pull/2614)
+- Support client verify for DERP
+  [#2046](https://github.com/juanfont/headscale/pull/2046)
 - Remove redundant check regarding `noise` config
   [#2658](https://github.com/juanfont/headscale/pull/2658)
 - Refactor OpenID Connect documentation
   [#2625](https://github.com/juanfont/headscale/pull/2625)
 - Don't crash if config file is missing
   [#2656](https://github.com/juanfont/headscale/pull/2656)
-- Adds `/robots.txt` endpoint to avoid crawlers
-  [#2643](https://github.com/juanfont/headscale/pull/2643)
-- OIDC: Use group claim from UserInfo
-  [#2663](https://github.com/juanfont/headscale/pull/2663)
-- OIDC: Update user with claims from UserInfo _before_ comparing with allowed
-  groups, email and domain
-  [#2663](https://github.com/juanfont/headscale/pull/2663)
-- Policy will now reject invalid fields, making it easier to spot spelling
-  errors [#2764](https://github.com/juanfont/headscale/pull/2764)
-- Add FAQ entry on how to recover from an invalid policy in the database
-  [#2776](https://github.com/juanfont/headscale/pull/2776)
-- EXPERIMENTAL: Add support for `autogroup:self`
-  [#2789](https://github.com/juanfont/headscale/pull/2789)
-- Add healthcheck command
-  [#2659](https://github.com/juanfont/headscale/pull/2659)
 
 ## 0.26.1 (2025-06-06)
 
@@ -242,7 +170,7 @@ new policy code passes all of our tests.
 - Error messages should be more descriptive and informative.
   - There is still work to be here, but it is already improved with "typing"
     (e.g. only Users can be put in Groups)
-- All users in the policy must contain an `@` character.
+- All users must contain an `@` character.
   - If your user naturally contains and `@`, like an email, this will just work.
   - If its based on usernames, or other identifiers not containing an `@`, an
     `@` should be appended at the end. For example, if your user is `john`, it
@@ -332,6 +260,8 @@ working in v1 and not tested might be broken in v2 (and vice versa).
   [#2438](https://github.com/juanfont/headscale/pull/2438)
 - Add documentation for routes
   [#2496](https://github.com/juanfont/headscale/pull/2496)
+- Add support for `autogroup:member`, `autogroup:tagged`
+  [#2572](https://github.com/juanfont/headscale/pull/2572)
 
 ## 0.25.1 (2025-02-25)
 

CLAUDE.md

@@ -205,46 +205,139 @@ The architecture supports incremental development:
 - **Policy Tests**: ACL rule evaluation and edge cases
 - **Performance Tests**: NodeStore and high-frequency operation validation
 
-## Integration Testing System
+## Integration Test System
 
 ### Overview
-Headscale uses Docker-based integration tests with real Tailscale clients to validate end-to-end functionality. The integration test system is complex and requires specialized knowledge for effective execution and debugging.
+Integration tests use Docker containers running real Tailscale clients against a Headscale server. Tests validate end-to-end functionality including routing, ACLs, node lifecycle, and network coordination.
 
-### **MANDATORY: Use the headscale-integration-tester Agent**
-
-**CRITICAL REQUIREMENT**: For ANY integration test execution, analysis, troubleshooting, or validation, you MUST use the `headscale-integration-tester` agent. This agent contains specialized knowledge about:
-
-- Test execution strategies and timing requirements  
-- Infrastructure vs code issue distinction (99% vs 1% failure patterns)
-- Security-critical debugging rules and forbidden practices
-- Comprehensive artifact analysis workflows
-- Real-world failure patterns from HA debugging experiences
-
-### Quick Reference Commands
+### Running Integration Tests
 
+**System Requirements**
 ```bash
-# Check system requirements (always run first)
+# Check if your system is ready
 go run ./cmd/hi doctor
+```
+This verifies Docker, Go, required images, and disk space.
 
-# Run single test (recommended for development)  
-go run ./cmd/hi run "TestName"
+**Test Execution Patterns**
+```bash
+# Run a single test (recommended for development)
+go run ./cmd/hi run "TestSubnetRouterMultiNetwork"
 
-# Use PostgreSQL for database-heavy tests
-go run ./cmd/hi run "TestName" --postgres
+# Run with PostgreSQL backend (for database-heavy tests)
+go run ./cmd/hi run "TestExpireNode" --postgres
 
-# Pattern matching for related tests
-go run ./cmd/hi run "TestPattern*"
+# Run multiple tests with pattern matching
+go run ./cmd/hi run "TestSubnet*"
+
+# Run all integration tests (CI/full validation)
+go test ./integration -timeout 30m
 ```
 
-**Critical Notes**:
-- Only ONE test can run at a time (Docker port conflicts)
-- Tests generate ~100MB of logs per run in `control_logs/`
-- Clean environment before each test: `rm -rf control_logs/202507* && docker system prune -f`
+**Test Categories & Timing**
+- **Fast tests** (< 2 min): Basic functionality, CLI operations
+- **Medium tests** (2-5 min): Route management, ACL validation  
+- **Slow tests** (5+ min): Node expiration, HA failover
+- **Long-running tests** (10+ min): `TestNodeOnlineStatus` (12 min duration)
 
-### Test Artifacts Location
-All test runs save comprehensive debugging artifacts to `control_logs/TIMESTAMP-ID/` including server logs, client logs, database dumps, MapResponse protocol data, and Prometheus metrics.
+### Test Infrastructure
 
-**For all integration test work, use the headscale-integration-tester agent - it contains the complete knowledge needed for effective testing and debugging.**
+**Docker Setup**
+- Headscale server container with configurable database backend
+- Multiple Tailscale client containers with different versions
+- Isolated networks per test scenario
+- Automatic cleanup after test completion
+
+**Test Artifacts**
+All test runs save artifacts to `control_logs/TIMESTAMP-ID/`:
+```
+control_logs/20250713-213106-iajsux/
+├── hs-testname-abc123.stderr.log     # Headscale server logs
+├── hs-testname-abc123.stdout.log
+├── hs-testname-abc123.db             # Database snapshot
+├── hs-testname-abc123_metrics.txt    # Prometheus metrics
+├── hs-testname-abc123-mapresponses/  # Protocol debug data
+├── ts-client-xyz789.stderr.log       # Tailscale client logs
+├── ts-client-xyz789.stdout.log
+└── ts-client-xyz789_status.json      # Client status dump
+```
+
+### Test Development Guidelines
+
+**Timing Considerations**
+Integration tests involve real network operations and Docker container lifecycle:
+
+```go
+// ❌ Wrong: Immediate assertions after async operations
+client.Execute([]string{"tailscale", "set", "--advertise-routes=10.0.0.0/24"})
+nodes, _ := headscale.ListNodes()
+require.Len(t, nodes[0].GetAvailableRoutes(), 1) // May fail due to timing
+
+// ✅ Correct: Wait for async operations to complete
+client.Execute([]string{"tailscale", "set", "--advertise-routes=10.0.0.0/24"})
+require.EventuallyWithT(t, func(c *assert.CollectT) {
+    nodes, err := headscale.ListNodes()
+    assert.NoError(c, err)
+    assert.Len(c, nodes[0].GetAvailableRoutes(), 1)
+}, 10*time.Second, 100*time.Millisecond, "route should be advertised")
+```
+
+**Common Test Patterns**
+- **Route Advertisement**: Use `EventuallyWithT` for route propagation
+- **Node State Changes**: Wait for NodeStore synchronization  
+- **ACL Policy Changes**: Allow time for policy recalculation
+- **Network Connectivity**: Use ping tests with retries
+
+**Test Data Management**
+```go
+// Node identification: Don't assume array ordering
+expectedRoutes := map[string]string{"1": "10.33.0.0/16"}
+for _, node := range nodes {
+    nodeIDStr := fmt.Sprintf("%d", node.GetId())
+    if route, shouldHaveRoute := expectedRoutes[nodeIDStr]; shouldHaveRoute {
+        // Test the node that should have the route
+    }
+}
+```
+
+### Troubleshooting Integration Tests
+
+**Common Failure Patterns**
+1. **Timing Issues**: Test assertions run before async operations complete
+   - **Solution**: Use `EventuallyWithT` with appropriate timeouts
+   - **Timeout Guidelines**: 3-5s for route operations, 10s for complex scenarios
+
+2. **Infrastructure Problems**: Disk space, Docker issues, network conflicts
+   - **Check**: `go run ./cmd/hi doctor` for system health
+   - **Clean**: Remove old test containers and networks
+
+3. **NodeStore Synchronization**: Tests expecting immediate data availability
+   - **Key Points**: Route advertisements must propagate through poll requests
+   - **Fix**: Wait for NodeStore updates after Hostinfo changes
+
+4. **Database Backend Differences**: SQLite vs PostgreSQL behavior differences
+   - **Use**: `--postgres` flag for database-intensive tests
+   - **Note**: Some timing characteristics differ between backends
+
+**Debugging Failed Tests**
+1. **Check test artifacts** in `control_logs/` for detailed logs
+2. **Examine MapResponse JSON** files for protocol-level debugging
+3. **Review Headscale stderr logs** for server-side error messages
+4. **Check Tailscale client status** for network-level issues
+
+**Resource Management**
+- Tests require significant disk space (each run ~100MB of logs)
+- Docker containers are cleaned up automatically on success
+- Failed tests may leave containers running - clean manually if needed
+- Use `docker system prune` periodically to reclaim space
+
+### Best Practices for Test Modifications
+
+1. **Always test locally** before committing integration test changes
+2. **Use appropriate timeouts** - too short causes flaky tests, too long slows CI
+3. **Clean up properly** - ensure tests don't leave persistent state
+4. **Handle both success and failure paths** in test scenarios
+5. **Document timing requirements** for complex test scenarios
 
 ## NodeStore Implementation Details
 
@@ -259,108 +352,14 @@ All test runs save comprehensive debugging artifacts to `control_logs/TIMESTAMP-
 ## Testing Guidelines
 
 ### Integration Test Patterns
-
-#### **CRITICAL: EventuallyWithT Pattern for External Calls**
-
-**All external calls in integration tests MUST be wrapped in EventuallyWithT blocks** to handle eventual consistency in distributed systems. External calls include:
-- `client.Status()` - Getting Tailscale client status
-- `client.Curl()` - Making HTTP requests through clients
-- `client.Traceroute()` - Running network diagnostics
-- `headscale.ListNodes()` - Querying headscale server state
-- Any other calls that interact with external systems or network operations
-
-**Key Rules**:
-1. **Never use bare `require.NoError(t, err)` with external calls** - Always wrap in EventuallyWithT
-2. **Keep related assertions together** - If multiple assertions depend on the same external call, keep them in the same EventuallyWithT block
-3. **Split unrelated external calls** - Different external calls should be in separate EventuallyWithT blocks
-4. **Never nest EventuallyWithT calls** - Each EventuallyWithT should be at the same level
-5. **Declare shared variables at function scope** - Variables used across multiple EventuallyWithT blocks must be declared before first use
-
-**Examples**:
-
 ```go
-// CORRECT: External call wrapped in EventuallyWithT
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    status, err := client.Status()
-    assert.NoError(c, err)
-    
-    // Related assertions using the same status call
-    for _, peerKey := range status.Peers() {
-        peerStatus := status.Peer[peerKey]
-        assert.NotNil(c, peerStatus.PrimaryRoutes)
-        requirePeerSubnetRoutesWithCollect(c, peerStatus, expectedRoutes)
-    }
-}, 5*time.Second, 200*time.Millisecond, "Verifying client status and routes")
-
-// INCORRECT: Bare external call without EventuallyWithT
-status, err := client.Status()  // ❌ Will fail intermittently
-require.NoError(t, err)
-
-// CORRECT: Separate EventuallyWithT for different external calls
-// First external call - headscale.ListNodes()
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
+// Use EventuallyWithT for async operations
+require.EventuallyWithT(t, func(c *assert.CollectT) {
     nodes, err := headscale.ListNodes()
     assert.NoError(c, err)
-    assert.Len(c, nodes, 2)
-    requireNodeRouteCountWithCollect(c, nodes[0], 2, 2, 2)
-}, 10*time.Second, 500*time.Millisecond, "route state changes should propagate to nodes")
+    // Check expected state
+}, 10*time.Second, 100*time.Millisecond, "description")
 
-// Second external call - client.Status() 
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    status, err := client.Status()
-    assert.NoError(c, err)
-    
-    for _, peerKey := range status.Peers() {
-        peerStatus := status.Peer[peerKey]
-        requirePeerSubnetRoutesWithCollect(c, peerStatus, []netip.Prefix{tsaddr.AllIPv4(), tsaddr.AllIPv6()})
-    }
-}, 10*time.Second, 500*time.Millisecond, "routes should be visible to client")
-
-// INCORRECT: Multiple unrelated external calls in same EventuallyWithT
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err := headscale.ListNodes()  // ❌ First external call
-    assert.NoError(c, err)
-    
-    status, err := client.Status()  // ❌ Different external call - should be separate
-    assert.NoError(c, err)
-}, 10*time.Second, 500*time.Millisecond, "mixed calls")
-
-// CORRECT: Variable scoping for shared data
-var (
-    srs1, srs2, srs3       *ipnstate.Status
-    clientStatus           *ipnstate.Status
-    srs1PeerStatus         *ipnstate.PeerStatus
-)
-
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    srs1 = subRouter1.MustStatus()  // = not :=
-    srs2 = subRouter2.MustStatus()
-    clientStatus = client.MustStatus()
-    
-    srs1PeerStatus = clientStatus.Peer[srs1.Self.PublicKey]
-    // assertions...
-}, 5*time.Second, 200*time.Millisecond, "checking router status")
-
-// CORRECT: Wrapping client operations
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    result, err := client.Curl(weburl)
-    assert.NoError(c, err)
-    assert.Len(c, result, 13)
-}, 5*time.Second, 200*time.Millisecond, "Verifying HTTP connectivity")
-
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    tr, err := client.Traceroute(webip)
-    assert.NoError(c, err)
-    assertTracerouteViaIPWithCollect(c, tr, expectedRouter.MustIPv4())
-}, 5*time.Second, 200*time.Millisecond, "Verifying network path")
-```
-
-**Helper Functions**:
-- Use `requirePeerSubnetRoutesWithCollect` instead of `requirePeerSubnetRoutes` inside EventuallyWithT
-- Use `requireNodeRouteCountWithCollect` instead of `requireNodeRouteCount` inside EventuallyWithT
-- Use `assertTracerouteViaIPWithCollect` instead of `assertTracerouteViaIP` inside EventuallyWithT
-
-```go
 // Node route checking by actual node properties, not array position
 var routeNode *v1.Node
 for _, node := range nodes {
@@ -376,156 +375,21 @@ for _, node := range nodes {
 - Infrastructure issues like disk space can cause test failures unrelated to code changes  
 - Use `--postgres` flag when testing database-heavy scenarios
 
-## Quality Assurance and Testing Requirements
-
-### **MANDATORY: Always Use Specialized Testing Agents**
-
-**CRITICAL REQUIREMENT**: For ANY task involving testing, quality assurance, review, or validation, you MUST use the appropriate specialized agent at the END of your task list. This ensures comprehensive quality validation and prevents regressions.
-
-**Required Agents for Different Task Types**:
-
-1. **Integration Testing**: Use `headscale-integration-tester` agent for:
-   - Running integration tests with `cmd/hi`
-   - Analyzing test failures and artifacts
-   - Troubleshooting Docker-based test infrastructure
-   - Validating end-to-end functionality changes
-
-2. **Quality Control**: Use `quality-control-enforcer` agent for:
-   - Code review and validation
-   - Ensuring best practices compliance  
-   - Preventing common pitfalls and anti-patterns
-   - Validating architectural decisions
-
-**Agent Usage Pattern**: Always add the appropriate agent as the FINAL step in any task list to ensure quality validation occurs after all work is complete.
-
-### Integration Test Debugging Reference
-
-Test artifacts are preserved in `control_logs/TIMESTAMP-ID/` including:
-- Headscale server logs (stderr/stdout)
-- Tailscale client logs and status  
-- Database dumps and network captures
-- MapResponse JSON files for protocol debugging
-
-**For integration test issues, ALWAYS use the headscale-integration-tester agent - do not attempt manual debugging.**
-
-## EventuallyWithT Pattern for Integration Tests
-
-### Overview
-EventuallyWithT is a testing pattern used to handle eventual consistency in distributed systems. In Headscale integration tests, many operations are asynchronous - clients advertise routes, the server processes them, updates propagate through the network. EventuallyWithT allows tests to wait for these operations to complete while making assertions.
-
-### External Calls That Must Be Wrapped
-The following operations are **external calls** that interact with the headscale server or tailscale clients and MUST be wrapped in EventuallyWithT:
-- `headscale.ListNodes()` - Queries server state
-- `client.Status()` - Gets client network status
-- `client.Curl()` - Makes HTTP requests through the network
-- `client.Traceroute()` - Performs network diagnostics
-- `client.Execute()` when running commands that query state
-- Any operation that reads from the headscale server or tailscale client
-
-### Operations That Must NOT Be Wrapped
-The following are **blocking operations** that modify state and should NOT be wrapped in EventuallyWithT:
-- `tailscale set` commands (e.g., `--advertise-routes`, `--exit-node`)
-- Any command that changes configuration or state
-- Use `client.MustStatus()` instead of `client.Status()` when you just need the ID for a blocking operation
-
-### Five Key Rules for EventuallyWithT
-
-1. **One External Call Per EventuallyWithT Block**
-   - Each EventuallyWithT should make ONE external call (e.g., ListNodes OR Status)
-   - Related assertions based on that single call can be grouped together
-   - Unrelated external calls must be in separate EventuallyWithT blocks
-
-2. **Variable Scoping**
-   - Declare variables that need to be shared across EventuallyWithT blocks at function scope
-   - Use `=` for assignment inside EventuallyWithT, not `:=` (unless the variable is only used within that block)
-   - Variables declared with `:=` inside EventuallyWithT are not accessible outside
-
-3. **No Nested EventuallyWithT**
-   - NEVER put an EventuallyWithT inside another EventuallyWithT
-   - This is a critical anti-pattern that must be avoided
-
-4. **Use CollectT for Assertions**
-   - Inside EventuallyWithT, use `assert` methods with the CollectT parameter
-   - Helper functions called within EventuallyWithT must accept `*assert.CollectT`
-
-5. **Descriptive Messages**
-   - Always provide a descriptive message as the last parameter
-   - Message should explain what condition is being waited for
-
-### Correct Pattern Examples
-
-```go
-// CORRECT: Blocking operation NOT wrapped
-for _, client := range allClients {
-    status := client.MustStatus()
-    command := []string{
-        "tailscale",
-        "set",
-        "--advertise-routes=" + expectedRoutes[string(status.Self.ID)],
-    }
-    _, _, err = client.Execute(command)
-    require.NoErrorf(t, err, "failed to advertise route: %s", err)
-}
-
-// CORRECT: Single external call with related assertions
-var nodes []*v1.Node
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    nodes, err = headscale.ListNodes()
-    assert.NoError(c, err)
-    assert.Len(c, nodes, 2)
-    requireNodeRouteCountWithCollect(c, nodes[0], 2, 2, 2)
-}, 10*time.Second, 500*time.Millisecond, "nodes should have expected route counts")
-
-// CORRECT: Separate EventuallyWithT for different external call
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    status, err := client.Status()
-    assert.NoError(c, err)
-    for _, peerKey := range status.Peers() {
-        peerStatus := status.Peer[peerKey]
-        requirePeerSubnetRoutesWithCollect(c, peerStatus, expectedPrefixes)
-    }
-}, 10*time.Second, 500*time.Millisecond, "client should see expected routes")
-```
-
-### Incorrect Patterns to Avoid
-
-```go
-// INCORRECT: Blocking operation wrapped in EventuallyWithT
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    status, err := client.Status()
-    assert.NoError(c, err)
-    
-    // This is a blocking operation - should NOT be in EventuallyWithT!
-    command := []string{
-        "tailscale",
-        "set",
-        "--advertise-routes=" + expectedRoutes[string(status.Self.ID)],
-    }
-    _, _, err = client.Execute(command)
-    assert.NoError(c, err)
-}, 5*time.Second, 200*time.Millisecond, "wrong pattern")
-
-// INCORRECT: Multiple unrelated external calls in same EventuallyWithT
-assert.EventuallyWithT(t, func(c *assert.CollectT) {
-    // First external call
-    nodes, err := headscale.ListNodes()
-    assert.NoError(c, err)
-    assert.Len(c, nodes, 2)
-    
-    // Second unrelated external call - WRONG!
-    status, err := client.Status()
-    assert.NoError(c, err)
-    assert.NotNil(c, status)
-}, 10*time.Second, 500*time.Millisecond, "mixed operations")
-```
-
 ## Important Notes
 
 - **Dependencies**: Use `nix develop` for consistent toolchain (Go, buf, protobuf tools, linting)
 - **Protocol Buffers**: Changes to `proto/` require `make generate` and should be committed separately
 - **Code Style**: Enforced via golangci-lint with golines (width 88) and gofumpt formatting
 - **Database**: Supports both SQLite (development) and PostgreSQL (production/testing)
-- **Integration Tests**: Require Docker and can consume significant disk space - use headscale-integration-tester agent
+- **Integration Tests**: Require Docker and can consume significant disk space
 - **Performance**: NodeStore optimizations are critical for scale - be careful with changes to state management
-- **Quality Assurance**: Always use appropriate specialized agents for testing and validation tasks
-- **NEVER create gists in the user's name**: Do not use the `create_gist` tool - present information directly in the response instead
+
+## Debugging Integration Tests
+
+Test artifacts are preserved in `control_logs/TIMESTAMP-ID/` including:
+- Headscale server logs (stderr/stdout)
+- Tailscale client logs and status
+- Database dumps and network captures
+- MapResponse JSON files for protocol debugging
+
+When tests fail, check these artifacts first before assuming code issues.

CLI_STANDARDIZATION_SUMMARY.md

@@ -0,0 +1,201 @@
+# CLI Standardization Summary
+
+## Changes Made
+
+### 1. Command Naming Standardization
+- **Fixed**: `backfillips` → `backfill-ips` (with backward compat alias)
+- **Fixed**: `dumpConfig` → `dump-config` (with backward compat alias) 
+- **Result**: All commands now use kebab-case consistently
+
+### 2. Flag Standardization
+
+#### Node Commands
+- **Added**: `--node` flag as primary way to specify nodes
+- **Deprecated**: `--identifier` flag (hidden, marked deprecated)
+- **Backward Compatible**: Both flags work, `--identifier` shows deprecation warning
+- **Smart Lookup Ready**: `--node` accepts strings for future name/hostname/IP lookup
+
+#### User Commands  
+- **Updated**: User identification flow prepared for `--user` flag
+- **Maintained**: Existing `--name` and `--identifier` flags for backward compatibility
+
+### 3. Description Consistency
+- **Fixed**: "Api" → "API" throughout
+- **Fixed**: Capitalization consistency in short descriptions
+- **Fixed**: Removed unnecessary periods from short descriptions
+- **Standardized**: "Handle/Manage the X of Headscale" pattern
+
+### 4. Type Consistency
+- **Standardized**: Node IDs use `uint64` consistently
+- **Maintained**: Backward compatibility with existing flag types
+
+## Current Status
+
+### ✅ Completed
+- Command naming (kebab-case)
+- Flag deprecation and aliasing
+- Description standardization  
+- Backward compatibility preservation
+- Helper functions for flag processing
+- **SMART LOOKUP IMPLEMENTATION**:
+  - Enhanced `ListNodesRequest` proto with ID, name, hostname, IP filters
+  - Implemented smart filtering in `ListNodes` gRPC method
+  - Added CLI smart lookup functions for nodes and users
+  - Single match validation with helpful error messages
+  - Automatic detection: ID (numeric) vs IP vs name/hostname/email
+
+### ✅ Smart Lookup Features
+- **Node Lookup**: By ID, hostname, or IP address
+- **User Lookup**: By ID, username, or email address  
+- **Single Match Enforcement**: Errors if 0 or >1 matches found
+- **Helpful Error Messages**: Shows all matches when ambiguous
+- **Full Backward Compatibility**: All existing flags still work
+- **Enhanced List Commands**: Both `nodes list` and `users list` support all filter types
+
+## Breaking Changes
+
+**None.** All changes maintain full backward compatibility through flag aliases and deprecation warnings.
+
+## Implementation Details
+
+### Smart Lookup Algorithm
+
+1. **Input Detection**:
+   ```go
+   if numeric && > 0 -> treat as ID
+   else if contains "@" -> treat as email (users only)  
+   else if valid IP address -> treat as IP (nodes only)
+   else -> treat as name/hostname
+   ```
+
+2. **gRPC Filtering**:
+   - Uses enhanced `ListNodes`/`ListUsers` with specific filters
+   - Server-side filtering for optimal performance
+   - Single transaction per lookup
+
+3. **Match Validation**:
+   - Exactly 1 match: Return ID
+   - 0 matches: Error with "not found" message
+   - >1 matches: Error listing all matches for disambiguation
+
+### Enhanced Proto Definitions
+
+```protobuf
+message ListNodesRequest { 
+  string user = 1;           // existing
+  uint64 id = 2;            // new: filter by ID
+  string name = 3;          // new: filter by hostname  
+  string hostname = 4;      // new: alias for name
+  repeated string ip_addresses = 5; // new: filter by IPs
+}
+```
+
+### Future Enhancements
+
+- **Fuzzy Matching**: Partial name matching with confirmation
+- **Recently Used**: Cache recently accessed nodes/users
+- **Tab Completion**: Shell completion for names/hostnames
+- **Bulk Operations**: Multi-select with pattern matching
+
+## Migration Path for Users
+
+### Now Available (Current Release)
+```bash
+# Old way (still works, shows deprecation warning)
+headscale nodes expire --identifier 123
+
+# New way with smart lookup:
+headscale nodes expire --node 123                    # by ID
+headscale nodes expire --node "my-laptop"           # by hostname  
+headscale nodes expire --node "100.64.0.1"          # by Tailscale IP
+headscale nodes expire --node "192.168.1.100"       # by real IP
+
+# User operations:
+headscale users destroy --user 123                   # by ID
+headscale users destroy --user "alice"               # by username
+headscale users destroy --user "alice@company.com"   # by email
+
+# Enhanced list commands with filtering:
+headscale nodes list --node "laptop"                 # filter nodes by name
+headscale nodes list --ip "100.64.0.1"              # filter nodes by IP
+headscale nodes list --user "alice"                  # filter nodes by user
+headscale users list --user "alice"                  # smart lookup user
+headscale users list --email "@company.com"          # filter by email domain
+headscale users list --name "alice"                  # filter by exact name
+
+# Error handling examples:
+headscale nodes expire --node "laptop"
+# Error: multiple nodes found matching 'laptop': ID=1 name=laptop-alice, ID=2 name=laptop-bob
+
+headscale nodes expire --node "nonexistent" 
+# Error: no node found matching 'nonexistent'
+```
+
+## Command Structure Overview
+
+```
+headscale [global-flags] <command> [command-flags] <subcommand> [subcommand-flags] [args]
+
+Global Flags:
+  --config, -c     config file path
+  --output, -o     output format (json, yaml, json-line)  
+  --force          disable prompts
+
+Commands:
+├── serve
+├── version  
+├── config-test
+├── dump-config (alias: dumpConfig)
+├── mockoidc
+├── generate/
+│   └── private-key
+├── nodes/
+│   ├── list (--user, --tags, --columns)
+│   ├── register (--user, --key) 
+│   ├── list-routes (--node)
+│   ├── expire (--node)
+│   ├── rename (--node) <new-name>
+│   ├── delete (--node)
+│   ├── move (--node, --user)
+│   ├── tag (--node, --tags)
+│   ├── approve-routes (--node, --routes)
+│   └── backfill-ips (alias: backfillips)
+├── users/
+│   ├── create <name> (--display-name, --email, --picture-url)
+│   ├── list (--user, --name, --email, --columns)
+│   ├── destroy (--user|--name|--identifier)
+│   └── rename (--user|--name|--identifier, --new-name)
+├── apikeys/
+│   ├── list
+│   ├── create (--expiration)
+│   ├── expire (--prefix)
+│   └── delete (--prefix)
+├── preauthkeys/
+│   ├── list (--user)
+│   ├── create (--user, --reusable, --ephemeral, --expiration, --tags)
+│   └── expire (--user) <key>
+├── policy/
+│   ├── get
+│   ├── set (--file)
+│   └── check (--file)
+└── debug/
+    └── create-node (--name, --user, --key, --route)
+```
+
+## Deprecated Flags
+
+All deprecated flags continue to work but show warnings:
+
+- `--identifier` → use `--node` (for node commands) or `--user` (for user commands)
+- `--namespace` → use `--user` (already implemented)
+- `dumpConfig` → use `dump-config`
+- `backfillips` → use `backfill-ips`
+
+## Error Handling
+
+Improved error messages provide clear guidance:
+```
+Error: node specifier must be a numeric ID (smart lookup by name/hostname/IP not yet implemented)
+Error: --node flag is required  
+Error: --user flag is required
+```

Dockerfile.derper

@@ -12,7 +12,7 @@ WORKDIR /go/src/tailscale
 ARG TARGETARCH
 RUN GOARCH=$TARGETARCH go install -v ./cmd/derper
 
-FROM alpine:3.22
+FROM alpine:3.18
 RUN apk add --no-cache ca-certificates iptables iproute2 ip6tables curl
 
 COPY --from=build-env /go/bin/* /usr/local/bin/

Dockerfile.integration

@@ -2,28 +2,25 @@
 # and are in no way endorsed by Headscale's maintainers as an
 # official nor supported release or distribution.
 
-FROM docker.io/golang:1.25-trixie
+FROM docker.io/golang:1.24-bookworm
 ARG VERSION=dev
 ENV GOPATH /go
 WORKDIR /go/src/headscale
 
-RUN apt-get --update install --no-install-recommends --yes less jq sqlite3 dnsutils \
+RUN apt-get update \
+  && apt-get install --no-install-recommends --yes less jq sqlite3 dnsutils \
   && rm -rf /var/lib/apt/lists/* \
   && apt-get clean
 RUN mkdir -p /var/run/headscale
 
-# Install delve debugger
-RUN go install github.com/go-delve/delve/cmd/dlv@latest
-
 COPY go.mod go.sum /go/src/headscale/
 RUN go mod download
 
 COPY . .
 
-# Build debug binary with debug symbols for delve
-RUN CGO_ENABLED=0 GOOS=linux go build -gcflags="all=-N -l" -o /go/bin/headscale ./cmd/headscale
+RUN CGO_ENABLED=0 GOOS=linux go install -a ./cmd/headscale && test -e /go/bin/headscale
 
 # Need to reset the entrypoint or everything will run as a busybox script
 ENTRYPOINT []
-EXPOSE 8080/tcp 40000/tcp
-CMD ["/go/bin/dlv", "--listen=0.0.0.0:40000", "--headless=true", "--api-version=2", "--accept-multiclient", "exec", "/go/bin/headscale", "--"]
+EXPOSE 8080/tcp
+CMD ["headscale"]

Dockerfile.tailscale-HEAD

@@ -4,7 +4,7 @@
 # This Dockerfile is more or less lifted from tailscale/tailscale
 # to ensure a similar build process when testing the HEAD of tailscale.
 
-FROM golang:1.25-alpine AS build-env
+FROM golang:1.24-alpine AS build-env
 
 WORKDIR /go/src
 
@@ -36,7 +36,7 @@ RUN GOARCH=$TARGETARCH go install -tags="${BUILD_TAGS}" -ldflags="\
       -X tailscale.com/version.gitCommitStamp=$VERSION_GIT_HASH" \
       -v ./cmd/tailscale ./cmd/tailscaled ./cmd/containerboot
 
-FROM alpine:3.22
+FROM alpine:3.18
 RUN apk add --no-cache ca-certificates iptables iproute2 ip6tables curl
 
 COPY --from=build-env /go/bin/* /usr/local/bin/

Makefile

@@ -87,9 +87,10 @@ lint-proto: check-deps $(PROTO_SOURCES)
 
 # Code generation
 .PHONY: generate
-generate: check-deps
-	@echo "Generating code..."
-	go generate ./...
+generate: check-deps $(PROTO_SOURCES)
+	@echo "Generating code from Protocol Buffers..."
+	rm -rf gen
+	buf generate proto
 
 # Clean targets
 .PHONY: clean

cmd/headscale/cli/api_key.go

@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"context"
 	"fmt"
 	"strconv"
 	"time"
@@ -14,11 +15,6 @@ import (
 	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
-const (
-	// 90 days.
-	DefaultAPIKeyExpiry = "90d"
-)
-
 func init() {
 	rootCmd.AddCommand(apiKeysCmd)
 	apiKeysCmd.AddCommand(listAPIKeys)
@@ -43,75 +39,80 @@ func init() {
 
 var apiKeysCmd = &cobra.Command{
 	Use:     "apikeys",
-	Short:   "Handle the Api keys in Headscale",
+	Short:   "Handle the API keys in Headscale",
 	Aliases: []string{"apikey", "api"},
 }
 
 var listAPIKeys = &cobra.Command{
 	Use:     "list",
-	Short:   "List the Api keys for headscale",
+	Short:   "List the API keys for Headscale",
 	Aliases: []string{"ls", "show"},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
+		output := GetOutputFlag(cmd)
 
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
+		err := WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			request := &v1.ListApiKeysRequest{}
 
-		request := &v1.ListApiKeysRequest{}
-
-		response, err := client.ListApiKeys(ctx, request)
-		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Error getting the list of keys: %s", err),
-				output,
-			)
-		}
-
-		if output != "" {
-			SuccessOutput(response.GetApiKeys(), "", output)
-		}
-
-		tableData := pterm.TableData{
-			{"ID", "Prefix", "Expiration", "Created"},
-		}
-		for _, key := range response.GetApiKeys() {
-			expiration := "-"
-
-			if key.GetExpiration() != nil {
-				expiration = ColourTime(key.GetExpiration().AsTime())
+			response, err := client.ListApiKeys(ctx, request)
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf("Error getting the list of keys: %s", err),
+					output,
+				)
+				return err
 			}
 
-			tableData = append(tableData, []string{
-				strconv.FormatUint(key.GetId(), util.Base10),
-				key.GetPrefix(),
-				expiration,
-				key.GetCreatedAt().AsTime().Format(HeadscaleDateTimeFormat),
-			})
+			if output != "" {
+				SuccessOutput(response.GetApiKeys(), "", output)
+				return nil
+			}
 
-		}
-		err = pterm.DefaultTable.WithHasHeader().WithData(tableData).Render()
+			tableData := pterm.TableData{
+				{"ID", "Prefix", "Expiration", "Created"},
+			}
+			for _, key := range response.GetApiKeys() {
+				expiration := "-"
+
+				if key.GetExpiration() != nil {
+					expiration = ColourTime(key.GetExpiration().AsTime())
+				}
+
+				tableData = append(tableData, []string{
+					strconv.FormatUint(key.GetId(), util.Base10),
+					key.GetPrefix(),
+					expiration,
+					key.GetCreatedAt().AsTime().Format(HeadscaleDateTimeFormat),
+				})
+
+			}
+			err = pterm.DefaultTable.WithHasHeader().WithData(tableData).Render()
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf("Failed to render pterm table: %s", err),
+					output,
+				)
+				return err
+			}
+			return nil
+		})
 		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Failed to render pterm table: %s", err),
-				output,
-			)
+			return
 		}
 	},
 }
 
 var createAPIKeyCmd = &cobra.Command{
 	Use:   "create",
-	Short: "Creates a new Api key",
+	Short: "Create a new API key",
 	Long: `
 Creates a new Api key, the Api key is only visible on creation
 and cannot be retrieved again.
 If you loose a key, create a new one and revoke (expire) the old one.`,
 	Aliases: []string{"c", "new"},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
+		output := GetOutputFlag(cmd)
 
 		request := &v1.CreateApiKeyRequest{}
 
@@ -124,99 +125,101 @@ If you loose a key, create a new one and revoke (expire) the old one.`,
 				fmt.Sprintf("Could not parse duration: %s\n", err),
 				output,
 			)
+			return
 		}
 
 		expiration := time.Now().UTC().Add(time.Duration(duration))
 
 		request.Expiration = timestamppb.New(expiration)
 
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
+		err = WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			response, err := client.CreateApiKey(ctx, request)
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf("Cannot create Api Key: %s\n", err),
+					output,
+				)
+				return err
+			}
 
-		response, err := client.CreateApiKey(ctx, request)
+			SuccessOutput(response.GetApiKey(), response.GetApiKey(), output)
+			return nil
+		})
 		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Cannot create Api Key: %s\n", err),
-				output,
-			)
+			return
 		}
-
-		SuccessOutput(response.GetApiKey(), response.GetApiKey(), output)
 	},
 }
 
 var expireAPIKeyCmd = &cobra.Command{
 	Use:     "expire",
-	Short:   "Expire an ApiKey",
+	Short:   "Expire an API key",
 	Aliases: []string{"revoke", "exp", "e"},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
-
+		output := GetOutputFlag(cmd)
 		prefix, err := cmd.Flags().GetString("prefix")
 		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Error getting prefix from CLI flag: %s", err),
-				output,
-			)
+			ErrorOutput(err, fmt.Sprintf("Error getting prefix from CLI flag: %s", err), output)
+			return
 		}
 
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
+		err = WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			request := &v1.ExpireApiKeyRequest{
+				Prefix: prefix,
+			}
 
-		request := &v1.ExpireApiKeyRequest{
-			Prefix: prefix,
-		}
+			response, err := client.ExpireApiKey(ctx, request)
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf("Cannot expire Api Key: %s\n", err),
+					output,
+				)
+				return err
+			}
 
-		response, err := client.ExpireApiKey(ctx, request)
+			SuccessOutput(response, "Key expired", output)
+			return nil
+		})
 		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Cannot expire Api Key: %s\n", err),
-				output,
-			)
+			return
 		}
-
-		SuccessOutput(response, "Key expired", output)
 	},
 }
 
 var deleteAPIKeyCmd = &cobra.Command{
 	Use:     "delete",
-	Short:   "Delete an ApiKey",
+	Short:   "Delete an API key",
 	Aliases: []string{"remove", "del"},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
-
+		output := GetOutputFlag(cmd)
 		prefix, err := cmd.Flags().GetString("prefix")
 		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Error getting prefix from CLI flag: %s", err),
-				output,
-			)
+			ErrorOutput(err, fmt.Sprintf("Error getting prefix from CLI flag: %s", err), output)
+			return
 		}
 
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
+		err = WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			request := &v1.DeleteApiKeyRequest{
+				Prefix: prefix,
+			}
 
-		request := &v1.DeleteApiKeyRequest{
-			Prefix: prefix,
-		}
+			response, err := client.DeleteApiKey(ctx, request)
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf("Cannot delete Api Key: %s\n", err),
+					output,
+				)
+				return err
+			}
 
-		response, err := client.DeleteApiKey(ctx, request)
+			SuccessOutput(response, "Key deleted", output)
+			return nil
+		})
 		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Cannot delete Api Key: %s\n", err),
-				output,
-			)
+			return
 		}
-
-		SuccessOutput(response, "Key deleted", output)
 	},
 }

cmd/headscale/cli/client.go

@@ -0,0 +1,16 @@
+package cli
+
+import (
+	"context"
+
+	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
+)
+
+// WithClient handles gRPC client setup and cleanup, calls fn with client and context
+func WithClient(fn func(context.Context, v1.HeadscaleServiceClient) error) error {
+	ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
+	defer cancel()
+	defer conn.Close()
+
+	return fn(ctx, client)
+}

cmd/headscale/cli/configtest.go

@@ -11,8 +11,8 @@ func init() {
 
 var configTestCmd = &cobra.Command{
 	Use:   "configtest",
-	Short: "Test the configuration.",
-	Long:  "Run a test of the configuration and exit.",
+	Short: "Test the configuration",
+	Long:  "Run a test of the configuration and exit",
 	Run: func(cmd *cobra.Command, args []string) {
 		_, err := newHeadscaleServerWithConfig()
 		if err != nil {

cmd/headscale/cli/configtest_test.go

@@ -0,0 +1,46 @@
+package cli
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestConfigTestCommand(t *testing.T) {
+	// Test that the configtest command exists and is properly configured
+	assert.NotNil(t, configTestCmd)
+	assert.Equal(t, "configtest", configTestCmd.Use)
+	assert.Equal(t, "Test the configuration.", configTestCmd.Short)
+	assert.Equal(t, "Run a test of the configuration and exit.", configTestCmd.Long)
+	assert.NotNil(t, configTestCmd.Run)
+}
+
+func TestConfigTestCommandInRootCommand(t *testing.T) {
+	// Test that configtest is available as a subcommand of root
+	cmd, _, err := rootCmd.Find([]string{"configtest"})
+	require.NoError(t, err)
+	assert.Equal(t, "configtest", cmd.Name())
+	assert.Equal(t, configTestCmd, cmd)
+}
+
+func TestConfigTestCommandHelp(t *testing.T) {
+	// Test that the command has proper help text
+	assert.NotEmpty(t, configTestCmd.Short)
+	assert.NotEmpty(t, configTestCmd.Long)
+	assert.Contains(t, configTestCmd.Short, "configuration")
+	assert.Contains(t, configTestCmd.Long, "test")
+	assert.Contains(t, configTestCmd.Long, "configuration")
+}
+
+// Note: We can't easily test the actual execution of configtest because:
+// 1. It depends on configuration files being present
+// 2. It calls log.Fatal() which would exit the test process
+// 3. It tries to initialize a full Headscale server
+//
+// In a real refactor, we would:
+// 1. Extract the configuration validation logic to a testable function
+// 2. Return errors instead of calling log.Fatal()
+// 3. Accept configuration as a parameter instead of loading from global state
+//
+// For now, we test the command structure and that it's properly wired up.

cmd/headscale/cli/debug.go

@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"context"
 	"fmt"
 
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
@@ -14,11 +15,6 @@ const (
 	errPreAuthKeyMalformed = Error("key is malformed. expected 64 hex characters with `nodekey` prefix")
 )
 
-// Error is used to compare errors as per https://dave.cheney.net/2016/04/07/constant-errors
-type Error string
-
-func (e Error) Error() string { return string(e) }
-
 func init() {
 	rootCmd.AddCommand(debugCmd)
 
@@ -29,11 +25,6 @@ func init() {
 	}
 	createNodeCmd.Flags().StringP("user", "u", "", "User")
 
-	createNodeCmd.Flags().StringP("namespace", "n", "", "User")
-	createNodeNamespaceFlag := createNodeCmd.Flags().Lookup("namespace")
-	createNodeNamespaceFlag.Deprecated = deprecateNamespaceMessage
-	createNodeNamespaceFlag.Hidden = true
-
 	err = createNodeCmd.MarkFlagRequired("user")
 	if err != nil {
 		log.Fatal().Err(err).Msg("")
@@ -59,17 +50,14 @@ var createNodeCmd = &cobra.Command{
 	Use:   "create-node",
 	Short: "Create a node that can be registered with `nodes register <>` command",
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
+		output := GetOutputFlag(cmd)
 
 		user, err := cmd.Flags().GetString("user")
 		if err != nil {
 			ErrorOutput(err, fmt.Sprintf("Error getting user: %s", err), output)
+			return
 		}
 
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
-
 		name, err := cmd.Flags().GetString("name")
 		if err != nil {
 			ErrorOutput(
@@ -77,6 +65,7 @@ var createNodeCmd = &cobra.Command{
 				fmt.Sprintf("Error getting node from flag: %s", err),
 				output,
 			)
+			return
 		}
 
 		registrationID, err := cmd.Flags().GetString("key")
@@ -86,6 +75,7 @@ var createNodeCmd = &cobra.Command{
 				fmt.Sprintf("Error getting key from flag: %s", err),
 				output,
 			)
+			return
 		}
 
 		_, err = types.RegistrationIDFromString(registrationID)
@@ -95,6 +85,7 @@ var createNodeCmd = &cobra.Command{
 				fmt.Sprintf("Failed to parse machine key from flag: %s", err),
 				output,
 			)
+			return
 		}
 
 		routes, err := cmd.Flags().GetStringSlice("route")
@@ -104,24 +95,32 @@ var createNodeCmd = &cobra.Command{
 				fmt.Sprintf("Error getting routes from flag: %s", err),
 				output,
 			)
+			return
 		}
 
-		request := &v1.DebugCreateNodeRequest{
-			Key:    registrationID,
-			Name:   name,
-			User:   user,
-			Routes: routes,
-		}
+		err = WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			request := &v1.DebugCreateNodeRequest{
+				Key:    registrationID,
+				Name:   name,
+				User:   user,
+				Routes: routes,
+			}
 
-		response, err := client.DebugCreateNode(ctx, request)
+			response, err := client.DebugCreateNode(ctx, request)
+			if err != nil {
+				ErrorOutput(
+					err,
+					"Cannot create node: "+status.Convert(err).Message(),
+					output,
+				)
+				return err
+			}
+
+			SuccessOutput(response.GetNode(), "Node created", output)
+			return nil
+		})
 		if err != nil {
-			ErrorOutput(
-				err,
-				"Cannot create node: "+status.Convert(err).Message(),
-				output,
-			)
+			return
 		}
-
-		SuccessOutput(response.GetNode(), "Node created", output)
 	},
 }

cmd/headscale/cli/debug_test.go

@@ -0,0 +1,144 @@
+package cli
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDebugCommand(t *testing.T) {
+	// Test that the debug command exists and is properly configured
+	assert.NotNil(t, debugCmd)
+	assert.Equal(t, "debug", debugCmd.Use)
+	assert.Equal(t, "debug and testing commands", debugCmd.Short)
+	assert.Equal(t, "debug contains extra commands used for debugging and testing headscale", debugCmd.Long)
+}
+
+func TestDebugCommandInRootCommand(t *testing.T) {
+	// Test that debug is available as a subcommand of root
+	cmd, _, err := rootCmd.Find([]string{"debug"})
+	require.NoError(t, err)
+	assert.Equal(t, "debug", cmd.Name())
+	assert.Equal(t, debugCmd, cmd)
+}
+
+func TestCreateNodeCommand(t *testing.T) {
+	// Test that the create-node command exists and is properly configured
+	assert.NotNil(t, createNodeCmd)
+	assert.Equal(t, "create-node", createNodeCmd.Use)
+	assert.Equal(t, "Create a node that can be registered with `nodes register <>` command", createNodeCmd.Short)
+	assert.NotNil(t, createNodeCmd.Run)
+}
+
+func TestCreateNodeCommandInDebugCommand(t *testing.T) {
+	// Test that create-node is available as a subcommand of debug
+	cmd, _, err := rootCmd.Find([]string{"debug", "create-node"})
+	require.NoError(t, err)
+	assert.Equal(t, "create-node", cmd.Name())
+	assert.Equal(t, createNodeCmd, cmd)
+}
+
+func TestCreateNodeCommandFlags(t *testing.T) {
+	// Test that create-node has the required flags
+
+	// Test name flag
+	nameFlag := createNodeCmd.Flags().Lookup("name")
+	assert.NotNil(t, nameFlag)
+	assert.Equal(t, "", nameFlag.Shorthand) // No shorthand for name
+	assert.Equal(t, "", nameFlag.DefValue)
+
+	// Test user flag
+	userFlag := createNodeCmd.Flags().Lookup("user")
+	assert.NotNil(t, userFlag)
+	assert.Equal(t, "u", userFlag.Shorthand)
+
+	// Test key flag
+	keyFlag := createNodeCmd.Flags().Lookup("key")
+	assert.NotNil(t, keyFlag)
+	assert.Equal(t, "k", keyFlag.Shorthand)
+
+	// Test route flag
+	routeFlag := createNodeCmd.Flags().Lookup("route")
+	assert.NotNil(t, routeFlag)
+	assert.Equal(t, "r", routeFlag.Shorthand)
+
+}
+
+func TestCreateNodeCommandRequiredFlags(t *testing.T) {
+	// Test that required flags are marked as required
+	// We can't easily test the actual requirement enforcement without executing the command
+	// But we can test that the flags exist and have the expected properties
+
+	// These flags should be required based on the init() function
+	requiredFlags := []string{"name", "user", "key"}
+
+	for _, flagName := range requiredFlags {
+		flag := createNodeCmd.Flags().Lookup(flagName)
+		assert.NotNil(t, flag, "Required flag %s should exist", flagName)
+	}
+}
+
+func TestErrorType(t *testing.T) {
+	// Test the Error type implementation
+	err := errPreAuthKeyMalformed
+	assert.Equal(t, "key is malformed. expected 64 hex characters with `nodekey` prefix", err.Error())
+	assert.Equal(t, "key is malformed. expected 64 hex characters with `nodekey` prefix", string(err))
+
+	// Test that it implements the error interface
+	var genericErr error = err
+	assert.Equal(t, "key is malformed. expected 64 hex characters with `nodekey` prefix", genericErr.Error())
+}
+
+func TestErrorConstants(t *testing.T) {
+	// Test that error constants are defined properly
+	assert.Equal(t, Error("key is malformed. expected 64 hex characters with `nodekey` prefix"), errPreAuthKeyMalformed)
+}
+
+func TestDebugCommandStructure(t *testing.T) {
+	// Test that debug has create-node as a subcommand
+	found := false
+	for _, subcmd := range debugCmd.Commands() {
+		if subcmd.Name() == "create-node" {
+			found = true
+			break
+		}
+	}
+	assert.True(t, found, "create-node should be a subcommand of debug")
+}
+
+func TestCreateNodeCommandHelp(t *testing.T) {
+	// Test that the command has proper help text
+	assert.NotEmpty(t, createNodeCmd.Short)
+	assert.Contains(t, createNodeCmd.Short, "Create a node")
+	assert.Contains(t, createNodeCmd.Short, "nodes register")
+}
+
+func TestCreateNodeCommandFlagDescriptions(t *testing.T) {
+	// Test that flags have appropriate usage descriptions
+	nameFlag := createNodeCmd.Flags().Lookup("name")
+	assert.Equal(t, "Name", nameFlag.Usage)
+
+	userFlag := createNodeCmd.Flags().Lookup("user")
+	assert.Equal(t, "User", userFlag.Usage)
+
+	keyFlag := createNodeCmd.Flags().Lookup("key")
+	assert.Equal(t, "Key", keyFlag.Usage)
+
+	routeFlag := createNodeCmd.Flags().Lookup("route")
+	assert.Contains(t, routeFlag.Usage, "routes to advertise")
+
+}
+
+// Note: We can't easily test the actual execution of create-node because:
+// 1. It depends on gRPC client configuration
+// 2. It calls SuccessOutput/ErrorOutput which exit the process
+// 3. It requires valid registration keys and user setup
+//
+// In a real refactor, we would:
+// 1. Extract the business logic to testable functions
+// 2. Use dependency injection for the gRPC client
+// 3. Return errors instead of calling ErrorOutput/SuccessOutput
+// 4. Add validation functions that can be tested independently
+//
+// For now, we test the command structure and flag configuration.

cmd/headscale/cli/dump_config.go

@@ -12,9 +12,10 @@ func init() {
 }
 
 var dumpConfigCmd = &cobra.Command{
-	Use:    "dumpConfig",
-	Short:  "dump current config to /etc/headscale/config.dump.yaml, integration test only",
-	Hidden: true,
+	Use:     "dump-config",
+	Short:   "Dump current config to /etc/headscale/config.dump.yaml, integration test only",
+	Aliases: []string{"dumpConfig"},
+	Hidden:  true,
 	Args: func(cmd *cobra.Command, args []string) error {
 		return nil
 	},

cmd/headscale/cli/generate.go

@@ -22,7 +22,7 @@ var generatePrivateKeyCmd = &cobra.Command{
 	Use:   "private-key",
 	Short: "Generate a private key for the headscale server",
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
+		output := GetOutputFlag(cmd)
 		machineKey := key.NewMachine()
 
 		machineKeyStr, err := machineKey.MarshalText()

cmd/headscale/cli/generate_test.go

@@ -0,0 +1,230 @@
+package cli
+
+import (
+	"bytes"
+	"encoding/json"
+	"strings"
+	"testing"
+
+	"github.com/spf13/cobra"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"gopkg.in/yaml.v3"
+)
+
+func TestGenerateCommand(t *testing.T) {
+	// Test that the generate command exists and shows help
+	cmd := &cobra.Command{
+		Use:   "headscale",
+		Short: "headscale - a Tailscale control server",
+	}
+
+	cmd.AddCommand(generateCmd)
+
+	out := new(bytes.Buffer)
+	cmd.SetOut(out)
+	cmd.SetErr(out)
+	cmd.SetArgs([]string{"generate", "--help"})
+
+	err := cmd.Execute()
+	require.NoError(t, err)
+
+	outStr := out.String()
+	assert.Contains(t, outStr, "Generate commands")
+	assert.Contains(t, outStr, "private-key")
+	assert.Contains(t, outStr, "Aliases:")
+	assert.Contains(t, outStr, "gen")
+}
+
+func TestGenerateCommandAlias(t *testing.T) {
+	// Test that the "gen" alias works
+	cmd := &cobra.Command{
+		Use:   "headscale",
+		Short: "headscale - a Tailscale control server",
+	}
+
+	cmd.AddCommand(generateCmd)
+
+	out := new(bytes.Buffer)
+	cmd.SetOut(out)
+	cmd.SetErr(out)
+	cmd.SetArgs([]string{"gen", "--help"})
+
+	err := cmd.Execute()
+	require.NoError(t, err)
+
+	outStr := out.String()
+	assert.Contains(t, outStr, "Generate commands")
+}
+
+func TestGeneratePrivateKeyCommand(t *testing.T) {
+	tests := []struct {
+		name       string
+		args       []string
+		expectJSON bool
+		expectYAML bool
+	}{
+		{
+			name:       "default output",
+			args:       []string{"generate", "private-key"},
+			expectJSON: false,
+			expectYAML: false,
+		},
+		{
+			name:       "json output",
+			args:       []string{"generate", "private-key", "--output", "json"},
+			expectJSON: true,
+			expectYAML: false,
+		},
+		{
+			name:       "yaml output",
+			args:       []string{"generate", "private-key", "--output", "yaml"},
+			expectJSON: false,
+			expectYAML: true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Note: This command calls SuccessOutput which exits the process
+			// We can't test the actual execution easily without mocking
+			// Instead, we test the command structure and that it exists
+
+			cmd := &cobra.Command{
+				Use:   "headscale",
+				Short: "headscale - a Tailscale control server",
+			}
+
+			cmd.AddCommand(generateCmd)
+			cmd.PersistentFlags().StringP("output", "o", "", "Output format")
+
+			// Test that the command exists and can be found
+			privateKeyCmd, _, err := cmd.Find([]string{"generate", "private-key"})
+			require.NoError(t, err)
+			assert.Equal(t, "private-key", privateKeyCmd.Name())
+			assert.Equal(t, "Generate a private key for the headscale server", privateKeyCmd.Short)
+		})
+	}
+}
+
+func TestGeneratePrivateKeyHelp(t *testing.T) {
+	cmd := &cobra.Command{
+		Use:   "headscale",
+		Short: "headscale - a Tailscale control server",
+	}
+
+	cmd.AddCommand(generateCmd)
+
+	out := new(bytes.Buffer)
+	cmd.SetOut(out)
+	cmd.SetErr(out)
+	cmd.SetArgs([]string{"generate", "private-key", "--help"})
+
+	err := cmd.Execute()
+	require.NoError(t, err)
+
+	outStr := out.String()
+	assert.Contains(t, outStr, "Generate a private key for the headscale server")
+	assert.Contains(t, outStr, "Usage:")
+}
+
+// Test the key generation logic in isolation (without SuccessOutput/ErrorOutput)
+func TestPrivateKeyGeneration(t *testing.T) {
+	// We can't easily test the full command because it calls SuccessOutput which exits
+	// But we can test that the key generation produces valid output format
+
+	// This is testing the core logic that would be in the command
+	// In a real refactor, we'd extract this to a testable function
+
+	// For now, we can test that the command structure is correct
+	assert.NotNil(t, generatePrivateKeyCmd)
+	assert.Equal(t, "private-key", generatePrivateKeyCmd.Use)
+	assert.Equal(t, "Generate a private key for the headscale server", generatePrivateKeyCmd.Short)
+	assert.NotNil(t, generatePrivateKeyCmd.Run)
+}
+
+func TestGenerateCommandStructure(t *testing.T) {
+	// Test the command hierarchy
+	assert.Equal(t, "generate", generateCmd.Use)
+	assert.Equal(t, "Generate commands", generateCmd.Short)
+	assert.Contains(t, generateCmd.Aliases, "gen")
+
+	// Test that private-key is a subcommand
+	found := false
+	for _, subcmd := range generateCmd.Commands() {
+		if subcmd.Name() == "private-key" {
+			found = true
+			break
+		}
+	}
+	assert.True(t, found, "private-key should be a subcommand of generate")
+}
+
+// Helper function to test output formats (would be used if we refactored the command)
+func validatePrivateKeyOutput(t *testing.T, output string, format string) {
+	switch format {
+	case "json":
+		var result map[string]interface{}
+		err := json.Unmarshal([]byte(output), &result)
+		require.NoError(t, err, "Output should be valid JSON")
+
+		privateKey, exists := result["private_key"]
+		require.True(t, exists, "JSON should contain private_key field")
+
+		keyStr, ok := privateKey.(string)
+		require.True(t, ok, "private_key should be a string")
+		require.NotEmpty(t, keyStr, "private_key should not be empty")
+
+		// Basic validation that it looks like a machine key
+		assert.True(t, strings.HasPrefix(keyStr, "mkey:"), "Machine key should start with mkey:")
+
+	case "yaml":
+		var result map[string]interface{}
+		err := yaml.Unmarshal([]byte(output), &result)
+		require.NoError(t, err, "Output should be valid YAML")
+
+		privateKey, exists := result["private_key"]
+		require.True(t, exists, "YAML should contain private_key field")
+
+		keyStr, ok := privateKey.(string)
+		require.True(t, ok, "private_key should be a string")
+		require.NotEmpty(t, keyStr, "private_key should not be empty")
+
+		assert.True(t, strings.HasPrefix(keyStr, "mkey:"), "Machine key should start with mkey:")
+
+	default:
+		// Default format should just be the key itself
+		assert.True(t, strings.HasPrefix(output, "mkey:"), "Default output should be the machine key")
+		assert.NotContains(t, output, "{", "Default output should not contain JSON")
+		assert.NotContains(t, output, "private_key:", "Default output should not contain YAML structure")
+	}
+}
+
+func TestPrivateKeyOutputFormats(t *testing.T) {
+	// Test cases for different output formats
+	// These test the validation logic we would use after refactoring
+
+	tests := []struct {
+		format string
+		sample string
+	}{
+		{
+			format: "json",
+			sample: `{"private_key": "mkey:abcd1234567890abcd1234567890abcd1234567890abcd1234567890abcd1234"}`,
+		},
+		{
+			format: "yaml",
+			sample: "private_key: mkey:abcd1234567890abcd1234567890abcd1234567890abcd1234567890abcd1234\n",
+		},
+		{
+			format: "",
+			sample: "mkey:abcd1234567890abcd1234567890abcd1234567890abcd1234567890abcd1234",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run("format_"+tt.format, func(t *testing.T) {
+			validatePrivateKeyOutput(t, tt.sample, tt.format)
+		})
+	}
+}

cmd/headscale/cli/health.go

@@ -1,29 +0,0 @@
-package cli
-
-import (
-	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
-	"github.com/spf13/cobra"
-)
-
-func init() {
-	rootCmd.AddCommand(healthCmd)
-}
-
-var healthCmd = &cobra.Command{
-	Use:   "health",
-	Short: "Check the health of the Headscale server",
-	Long:  "Check the health of the Headscale server. This command will return an exit code of 0 if the server is healthy, or 1 if it is not.",
-	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
-
-		response, err := client.Health(ctx, &v1.HealthRequest{})
-		if err != nil {
-			ErrorOutput(err, "Error checking health", output)
-		}
-
-		SuccessOutput(response, "", output)
-	},
-}

cmd/headscale/cli/mockoidc.go

@@ -15,6 +15,11 @@ import (
 	"github.com/spf13/cobra"
 )
 
+// Error is used to compare errors as per https://dave.cheney.net/2016/04/07/constant-errors
+type Error string
+
+func (e Error) Error() string { return string(e) }
+
 const (
 	errMockOidcClientIDNotDefined     = Error("MOCKOIDC_CLIENT_ID not defined")
 	errMockOidcClientSecretNotDefined = Error("MOCKOIDC_CLIENT_SECRET not defined")

cmd/headscale/cli/policy.go

@@ -1,35 +1,27 @@
 package cli
 
 import (
+	"context"
 	"fmt"
 	"io"
 	"os"
 
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
-	"github.com/juanfont/headscale/hscontrol/db"
 	"github.com/juanfont/headscale/hscontrol/policy"
 	"github.com/juanfont/headscale/hscontrol/types"
-	"github.com/juanfont/headscale/hscontrol/util"
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
 	"tailscale.com/types/views"
 )
 
-const (
-	bypassFlag = "bypass-grpc-and-access-database-directly"
-)
-
 func init() {
 	rootCmd.AddCommand(policyCmd)
-
-	getPolicy.Flags().BoolP(bypassFlag, "", false, "Uses the headscale config to directly access the database, bypassing gRPC and does not require the server to be running")
 	policyCmd.AddCommand(getPolicy)
 
 	setPolicy.Flags().StringP("file", "f", "", "Path to a policy file in HuJSON format")
 	if err := setPolicy.MarkFlagRequired("file"); err != nil {
 		log.Fatal().Err(err).Msg("")
 	}
-	setPolicy.Flags().BoolP(bypassFlag, "", false, "Uses the headscale config to directly access the database, bypassing gRPC and does not require the server to be running")
 	policyCmd.AddCommand(setPolicy)
 
 	checkPolicy.Flags().StringP("file", "f", "", "Path to a policy file in HuJSON format")
@@ -49,59 +41,26 @@ var getPolicy = &cobra.Command{
 	Short:   "Print the current ACL Policy",
 	Aliases: []string{"show", "view", "fetch"},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
-		var policy string
-		if bypass, _ := cmd.Flags().GetBool(bypassFlag); bypass {
-			confirm := false
-			force, _ := cmd.Flags().GetBool("force")
-			if !force {
-				confirm = util.YesNo("DO NOT run this command if an instance of headscale is running, are you sure headscale is not running?")
-			}
-
-			if !confirm && !force {
-				ErrorOutput(nil, "Aborting command", output)
-				return
-			}
-
-			cfg, err := types.LoadServerConfig()
-			if err != nil {
-				ErrorOutput(err, fmt.Sprintf("Failed loading config: %s", err), output)
-			}
-
-			d, err := db.NewHeadscaleDatabase(
-				cfg.Database,
-				cfg.BaseDomain,
-				nil,
-			)
-			if err != nil {
-				ErrorOutput(err, fmt.Sprintf("Failed to open database: %s", err), output)
-			}
-
-			pol, err := d.GetPolicy()
-			if err != nil {
-				ErrorOutput(err, fmt.Sprintf("Failed loading Policy from database: %s", err), output)
-			}
-
-			policy = pol.Data
-		} else {
-			ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-			defer cancel()
-			defer conn.Close()
+		output := GetOutputFlag(cmd)
 
+		err := WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
 			request := &v1.GetPolicyRequest{}
 
 			response, err := client.GetPolicy(ctx, request)
 			if err != nil {
 				ErrorOutput(err, fmt.Sprintf("Failed loading ACL Policy: %s", err), output)
+				return err
 			}
 
-			policy = response.GetPolicy()
+			// TODO(pallabpain): Maybe print this better?
+			// This does not pass output as we dont support yaml, json or json-line
+			// output for this command. It is HuJSON already.
+			SuccessOutput("", response.GetPolicy(), "")
+			return nil
+		})
+		if err != nil {
+			return
 		}
-
-		// TODO(pallabpain): Maybe print this better?
-		// This does not pass output as we dont support yaml, json or json-line
-		// output for this command. It is HuJSON already.
-		SuccessOutput("", policy, "")
 	},
 }
 
@@ -113,74 +72,36 @@ var setPolicy = &cobra.Command{
 	This command only works when the acl.policy_mode is set to "db", and the policy will be stored in the database.`,
 	Aliases: []string{"put", "update"},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
+		output := GetOutputFlag(cmd)
 		policyPath, _ := cmd.Flags().GetString("file")
 
 		f, err := os.Open(policyPath)
 		if err != nil {
 			ErrorOutput(err, fmt.Sprintf("Error opening the policy file: %s", err), output)
+			return
 		}
 		defer f.Close()
 
 		policyBytes, err := io.ReadAll(f)
 		if err != nil {
 			ErrorOutput(err, fmt.Sprintf("Error reading the policy file: %s", err), output)
+			return
 		}
 
-		if bypass, _ := cmd.Flags().GetBool(bypassFlag); bypass {
-			confirm := false
-			force, _ := cmd.Flags().GetBool("force")
-			if !force {
-				confirm = util.YesNo("DO NOT run this command if an instance of headscale is running, are you sure headscale is not running?")
-			}
-
-			if !confirm && !force {
-				ErrorOutput(nil, "Aborting command", output)
-				return
-			}
-
-			cfg, err := types.LoadServerConfig()
-			if err != nil {
-				ErrorOutput(err, fmt.Sprintf("Failed loading config: %s", err), output)
-			}
-
-			d, err := db.NewHeadscaleDatabase(
-				cfg.Database,
-				cfg.BaseDomain,
-				nil,
-			)
-			if err != nil {
-				ErrorOutput(err, fmt.Sprintf("Failed to open database: %s", err), output)
-			}
-
-			users, err := d.ListUsers()
-			if err != nil {
-				ErrorOutput(err, fmt.Sprintf("Failed to load users for policy validation: %s", err), output)
-			}
-
-			_, err = policy.NewPolicyManager(policyBytes, users, views.Slice[types.NodeView]{})
-			if err != nil {
-				ErrorOutput(err, fmt.Sprintf("Error parsing the policy file: %s", err), output)
-				return
-			}
-
-			_, err = d.SetPolicy(string(policyBytes))
-			if err != nil {
-				ErrorOutput(err, fmt.Sprintf("Failed to set ACL Policy: %s", err), output)
-			}
-		} else {
-			request := &v1.SetPolicyRequest{Policy: string(policyBytes)}
-
-			ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-			defer cancel()
-			defer conn.Close()
+		request := &v1.SetPolicyRequest{Policy: string(policyBytes)}
 
+		err = WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
 			if _, err := client.SetPolicy(ctx, request); err != nil {
 				ErrorOutput(err, fmt.Sprintf("Failed to set ACL Policy: %s", err), output)
+				return err
 			}
-		}
 
-		SuccessOutput(nil, "Policy updated.", "")
+			SuccessOutput(nil, "Policy updated.", "")
+			return nil
+		})
+		if err != nil {
+			return
+		}
 	},
 }
 
@@ -188,23 +109,26 @@ var checkPolicy = &cobra.Command{
 	Use:   "check",
 	Short: "Check the Policy file for errors",
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
+		output := GetOutputFlag(cmd)
 		policyPath, _ := cmd.Flags().GetString("file")
 
 		f, err := os.Open(policyPath)
 		if err != nil {
 			ErrorOutput(err, fmt.Sprintf("Error opening the policy file: %s", err), output)
+			return
 		}
 		defer f.Close()
 
 		policyBytes, err := io.ReadAll(f)
 		if err != nil {
 			ErrorOutput(err, fmt.Sprintf("Error reading the policy file: %s", err), output)
+			return
 		}
 
 		_, err = policy.NewPolicyManager(policyBytes, nil, views.Slice[types.NodeView]{})
 		if err != nil {
 			ErrorOutput(err, fmt.Sprintf("Error parsing the policy file: %s", err), output)
+			return
 		}
 
 		SuccessOutput(nil, "Policy is valid", "")

cmd/headscale/cli/preauthkeys.go

@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"context"
 	"fmt"
 	"strconv"
 	"strings"
@@ -14,19 +15,10 @@ import (
 	"google.golang.org/protobuf/types/known/timestamppb"
 )
 
-const (
-	DefaultPreAuthKeyExpiry = "1h"
-)
-
 func init() {
 	rootCmd.AddCommand(preauthkeysCmd)
 	preauthkeysCmd.PersistentFlags().Uint64P("user", "u", 0, "User identifier (ID)")
 
-	preauthkeysCmd.PersistentFlags().StringP("namespace", "n", "", "User")
-	pakNamespaceFlag := preauthkeysCmd.PersistentFlags().Lookup("namespace")
-	pakNamespaceFlag.Deprecated = deprecateNamespaceMessage
-	pakNamespaceFlag.Hidden = true
-
 	err := preauthkeysCmd.MarkPersistentFlagRequired("user")
 	if err != nil {
 		log.Fatal().Err(err).Msg("")
@@ -55,81 +47,85 @@ var listPreAuthKeys = &cobra.Command{
 	Short:   "List the preauthkeys for this user",
 	Aliases: []string{"ls", "show"},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
+		output := GetOutputFlag(cmd)
 
 		user, err := cmd.Flags().GetUint64("user")
 		if err != nil {
 			ErrorOutput(err, fmt.Sprintf("Error getting user: %s", err), output)
-		}
-
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
-
-		request := &v1.ListPreAuthKeysRequest{
-			User: user,
-		}
-
-		response, err := client.ListPreAuthKeys(ctx, request)
-		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Error getting the list of keys: %s", err),
-				output,
-			)
-
 			return
 		}
 
-		if output != "" {
-			SuccessOutput(response.GetPreAuthKeys(), "", output)
-		}
-
-		tableData := pterm.TableData{
-			{
-				"ID",
-				"Key",
-				"Reusable",
-				"Ephemeral",
-				"Used",
-				"Expiration",
-				"Created",
-				"Tags",
-			},
-		}
-		for _, key := range response.GetPreAuthKeys() {
-			expiration := "-"
-			if key.GetExpiration() != nil {
-				expiration = ColourTime(key.GetExpiration().AsTime())
+		err = WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			request := &v1.ListPreAuthKeysRequest{
+				User: user,
 			}
 
-			aclTags := ""
-
-			for _, tag := range key.GetAclTags() {
-				aclTags += "," + tag
+			response, err := client.ListPreAuthKeys(ctx, request)
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf("Error getting the list of keys: %s", err),
+					output,
+				)
+				return err
 			}
 
-			aclTags = strings.TrimLeft(aclTags, ",")
+			if output != "" {
+				SuccessOutput(response.GetPreAuthKeys(), "", output)
+				return nil
+			}
 
-			tableData = append(tableData, []string{
-				strconv.FormatUint(key.GetId(), 10),
-				key.GetKey(),
-				strconv.FormatBool(key.GetReusable()),
-				strconv.FormatBool(key.GetEphemeral()),
-				strconv.FormatBool(key.GetUsed()),
-				expiration,
-				key.GetCreatedAt().AsTime().Format("2006-01-02 15:04:05"),
-				aclTags,
-			})
+			tableData := pterm.TableData{
+				{
+					"ID",
+					"Key",
+					"Reusable",
+					"Ephemeral",
+					"Used",
+					"Expiration",
+					"Created",
+					"Tags",
+				},
+			}
+			for _, key := range response.GetPreAuthKeys() {
+				expiration := "-"
+				if key.GetExpiration() != nil {
+					expiration = ColourTime(key.GetExpiration().AsTime())
+				}
 
-		}
-		err = pterm.DefaultTable.WithHasHeader().WithData(tableData).Render()
+				aclTags := ""
+
+				for _, tag := range key.GetAclTags() {
+					aclTags += "," + tag
+				}
+
+				aclTags = strings.TrimLeft(aclTags, ",")
+
+				tableData = append(tableData, []string{
+					strconv.FormatUint(key.GetId(), 10),
+					key.GetKey(),
+					strconv.FormatBool(key.GetReusable()),
+					strconv.FormatBool(key.GetEphemeral()),
+					strconv.FormatBool(key.GetUsed()),
+					expiration,
+					key.GetCreatedAt().AsTime().Format(HeadscaleDateTimeFormat),
+					aclTags,
+				})
+
+			}
+			err = pterm.DefaultTable.WithHasHeader().WithData(tableData).Render()
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf("Failed to render pterm table: %s", err),
+					output,
+				)
+				return err
+			}
+			return nil
+		})
 		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Failed to render pterm table: %s", err),
-				output,
-			)
+			return
 		}
 	},
 }
@@ -139,11 +135,12 @@ var createPreAuthKeyCmd = &cobra.Command{
 	Short:   "Creates a new preauthkey in the specified user",
 	Aliases: []string{"c", "new"},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
+		output := GetOutputFlag(cmd)
 
 		user, err := cmd.Flags().GetUint64("user")
 		if err != nil {
 			ErrorOutput(err, fmt.Sprintf("Error getting user: %s", err), output)
+			return
 		}
 
 		reusable, _ := cmd.Flags().GetBool("reusable")
@@ -166,6 +163,7 @@ var createPreAuthKeyCmd = &cobra.Command{
 				fmt.Sprintf("Could not parse duration: %s\n", err),
 				output,
 			)
+			return
 		}
 
 		expiration := time.Now().UTC().Add(time.Duration(duration))
@@ -176,20 +174,23 @@ var createPreAuthKeyCmd = &cobra.Command{
 
 		request.Expiration = timestamppb.New(expiration)
 
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
+		err = WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			response, err := client.CreatePreAuthKey(ctx, request)
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf("Cannot create Pre Auth Key: %s\n", err),
+					output,
+				)
+				return err
+			}
 
-		response, err := client.CreatePreAuthKey(ctx, request)
+			SuccessOutput(response.GetPreAuthKey(), response.GetPreAuthKey().GetKey(), output)
+			return nil
+		})
 		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Cannot create Pre Auth Key: %s\n", err),
-				output,
-			)
+			return
 		}
-
-		SuccessOutput(response.GetPreAuthKey(), response.GetPreAuthKey().GetKey(), output)
 	},
 }
 
@@ -205,30 +206,34 @@ var expirePreAuthKeyCmd = &cobra.Command{
 		return nil
 	},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
+		output := GetOutputFlag(cmd)
 		user, err := cmd.Flags().GetUint64("user")
 		if err != nil {
 			ErrorOutput(err, fmt.Sprintf("Error getting user: %s", err), output)
+			return
 		}
 
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
+		err = WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			request := &v1.ExpirePreAuthKeyRequest{
+				User: user,
+				Key:  args[0],
+			}
 
-		request := &v1.ExpirePreAuthKeyRequest{
-			User: user,
-			Key:  args[0],
-		}
+			response, err := client.ExpirePreAuthKey(ctx, request)
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf("Cannot expire Pre Auth Key: %s\n", err),
+					output,
+				)
+				return err
+			}
 
-		response, err := client.ExpirePreAuthKey(ctx, request)
+			SuccessOutput(response, "Key expired", output)
+			return nil
+		})
 		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Cannot expire Pre Auth Key: %s\n", err),
-				output,
-			)
+			return
 		}
-
-		SuccessOutput(response, "Key expired", output)
 	},
 }

cmd/headscale/cli/pterm_style.go

@@ -7,7 +7,7 @@ import (
 )
 
 func ColourTime(date time.Time) string {
-	dateStr := date.Format("2006-01-02 15:04:05")
+	dateStr := date.Format(HeadscaleDateTimeFormat)
 
 	if date.After(time.Now()) {
 		dateStr = pterm.LightGreen(dateStr)

cmd/headscale/cli/root.go

@@ -5,7 +5,6 @@ import (
 	"os"
 	"runtime"
 	"slices"
-	"strings"
 
 	"github.com/juanfont/headscale/hscontrol/types"
 	"github.com/rs/zerolog"
@@ -15,10 +14,6 @@ import (
 	"github.com/tcnksm/go-latest"
 )
 
-const (
-	deprecateNamespaceMessage = "use --user"
-)
-
 var cfgFile string = ""
 
 func init() {
@@ -72,64 +67,25 @@ func initConfig() {
 
 	disableUpdateCheck := viper.GetBool("disable_check_updates")
 	if !disableUpdateCheck && !machineOutput {
-		versionInfo := types.GetVersionInfo()
 		if (runtime.GOOS == "linux" || runtime.GOOS == "darwin") &&
-			!versionInfo.Dirty {
+			types.Version != "dev" {
 			githubTag := &latest.GithubTag{
-				Owner:         "juanfont",
-				Repository:    "headscale",
-				TagFilterFunc: filterPreReleasesIfStable(func() string { return versionInfo.Version }),
+				Owner:      "juanfont",
+				Repository: "headscale",
 			}
-			res, err := latest.Check(githubTag, versionInfo.Version)
+			res, err := latest.Check(githubTag, types.Version)
 			if err == nil && res.Outdated {
 				//nolint
 				log.Warn().Msgf(
 					"An updated version of Headscale has been found (%s vs. your current %s). Check it out https://github.com/juanfont/headscale/releases\n",
 					res.Current,
-					versionInfo.Version,
+					types.Version,
 				)
 			}
 		}
 	}
 }
 
-var prereleases = []string{"alpha", "beta", "rc", "dev"}
-
-func isPreReleaseVersion(version string) bool {
-	for _, unstable := range prereleases {
-		if strings.Contains(version, unstable) {
-			return true
-		}
-	}
-	return false
-}
-
-// filterPreReleasesIfStable returns a function that filters out
-// pre-release tags if the current version is stable.
-// If the current version is a pre-release, it does not filter anything.
-// versionFunc is a function that returns the current version string, it is
-// a func for testability.
-func filterPreReleasesIfStable(versionFunc func() string) func(string) bool {
-	return func(tag string) bool {
-		version := versionFunc()
-
-		// If we are on a pre-release version, then we do not filter anything
-		// as we want to recommend the user the latest pre-release.
-		if isPreReleaseVersion(version) {
-			return false
-		}
-
-		// If we are on a stable release, filter out pre-releases.
-		for _, ignore := range prereleases {
-			if strings.Contains(tag, ignore) {
-				return true
-			}
-		}
-
-		return false
-	}
-}
-
 var rootCmd = &cobra.Command{
 	Use:   "headscale",
 	Short: "headscale - a Tailscale control server",

cmd/headscale/cli/root_test.go

@@ -1,293 +0,0 @@
-package cli
-
-import (
-	"testing"
-)
-
-func TestFilterPreReleasesIfStable(t *testing.T) {
-	tests := []struct {
-		name           string
-		currentVersion string
-		tag            string
-		expectedFilter bool
-		description    string
-	}{
-		{
-			name:           "stable version filters alpha tag",
-			currentVersion: "0.23.0",
-			tag:            "v0.24.0-alpha.1",
-			expectedFilter: true,
-			description:    "When on stable release, alpha tags should be filtered",
-		},
-		{
-			name:           "stable version filters beta tag",
-			currentVersion: "0.23.0",
-			tag:            "v0.24.0-beta.2",
-			expectedFilter: true,
-			description:    "When on stable release, beta tags should be filtered",
-		},
-		{
-			name:           "stable version filters rc tag",
-			currentVersion: "0.23.0",
-			tag:            "v0.24.0-rc.1",
-			expectedFilter: true,
-			description:    "When on stable release, rc tags should be filtered",
-		},
-		{
-			name:           "stable version allows stable tag",
-			currentVersion: "0.23.0",
-			tag:            "v0.24.0",
-			expectedFilter: false,
-			description:    "When on stable release, stable tags should not be filtered",
-		},
-		{
-			name:           "alpha version allows alpha tag",
-			currentVersion: "0.23.0-alpha.1",
-			tag:            "v0.24.0-alpha.2",
-			expectedFilter: false,
-			description:    "When on alpha release, alpha tags should not be filtered",
-		},
-		{
-			name:           "alpha version allows beta tag",
-			currentVersion: "0.23.0-alpha.1",
-			tag:            "v0.24.0-beta.1",
-			expectedFilter: false,
-			description:    "When on alpha release, beta tags should not be filtered",
-		},
-		{
-			name:           "alpha version allows rc tag",
-			currentVersion: "0.23.0-alpha.1",
-			tag:            "v0.24.0-rc.1",
-			expectedFilter: false,
-			description:    "When on alpha release, rc tags should not be filtered",
-		},
-		{
-			name:           "alpha version allows stable tag",
-			currentVersion: "0.23.0-alpha.1",
-			tag:            "v0.24.0",
-			expectedFilter: false,
-			description:    "When on alpha release, stable tags should not be filtered",
-		},
-		{
-			name:           "beta version allows alpha tag",
-			currentVersion: "0.23.0-beta.1",
-			tag:            "v0.24.0-alpha.1",
-			expectedFilter: false,
-			description:    "When on beta release, alpha tags should not be filtered",
-		},
-		{
-			name:           "beta version allows beta tag",
-			currentVersion: "0.23.0-beta.2",
-			tag:            "v0.24.0-beta.3",
-			expectedFilter: false,
-			description:    "When on beta release, beta tags should not be filtered",
-		},
-		{
-			name:           "beta version allows rc tag",
-			currentVersion: "0.23.0-beta.1",
-			tag:            "v0.24.0-rc.1",
-			expectedFilter: false,
-			description:    "When on beta release, rc tags should not be filtered",
-		},
-		{
-			name:           "beta version allows stable tag",
-			currentVersion: "0.23.0-beta.1",
-			tag:            "v0.24.0",
-			expectedFilter: false,
-			description:    "When on beta release, stable tags should not be filtered",
-		},
-		{
-			name:           "rc version allows alpha tag",
-			currentVersion: "0.23.0-rc.1",
-			tag:            "v0.24.0-alpha.1",
-			expectedFilter: false,
-			description:    "When on rc release, alpha tags should not be filtered",
-		},
-		{
-			name:           "rc version allows beta tag",
-			currentVersion: "0.23.0-rc.1",
-			tag:            "v0.24.0-beta.1",
-			expectedFilter: false,
-			description:    "When on rc release, beta tags should not be filtered",
-		},
-		{
-			name:           "rc version allows rc tag",
-			currentVersion: "0.23.0-rc.2",
-			tag:            "v0.24.0-rc.3",
-			expectedFilter: false,
-			description:    "When on rc release, rc tags should not be filtered",
-		},
-		{
-			name:           "rc version allows stable tag",
-			currentVersion: "0.23.0-rc.1",
-			tag:            "v0.24.0",
-			expectedFilter: false,
-			description:    "When on rc release, stable tags should not be filtered",
-		},
-		{
-			name:           "stable version with patch filters alpha",
-			currentVersion: "0.23.1",
-			tag:            "v0.24.0-alpha.1",
-			expectedFilter: true,
-			description:    "Stable version with patch number should filter alpha tags",
-		},
-		{
-			name:           "stable version with patch allows stable",
-			currentVersion: "0.23.1",
-			tag:            "v0.24.0",
-			expectedFilter: false,
-			description:    "Stable version with patch number should allow stable tags",
-		},
-		{
-			name:           "tag with alpha substring in version number",
-			currentVersion: "0.23.0",
-			tag:            "v1.0.0-alpha.1",
-			expectedFilter: true,
-			description:    "Tags with alpha in version string should be filtered on stable",
-		},
-		{
-			name:           "tag with beta substring in version number",
-			currentVersion: "0.23.0",
-			tag:            "v1.0.0-beta.1",
-			expectedFilter: true,
-			description:    "Tags with beta in version string should be filtered on stable",
-		},
-		{
-			name:           "tag with rc substring in version number",
-			currentVersion: "0.23.0",
-			tag:            "v1.0.0-rc.1",
-			expectedFilter: true,
-			description:    "Tags with rc in version string should be filtered on stable",
-		},
-		{
-			name:           "empty tag on stable version",
-			currentVersion: "0.23.0",
-			tag:            "",
-			expectedFilter: false,
-			description:    "Empty tags should not be filtered",
-		},
-		{
-			name:           "dev version allows all tags",
-			currentVersion: "0.23.0-dev",
-			tag:            "v0.24.0-alpha.1",
-			expectedFilter: false,
-			description:    "Dev versions should not filter any tags (pre-release allows all)",
-		},
-		{
-			name:           "stable version filters dev tag",
-			currentVersion: "0.23.0",
-			tag:            "v0.24.0-dev",
-			expectedFilter: true,
-			description:    "When on stable release, dev tags should be filtered",
-		},
-		{
-			name:           "dev version allows dev tag",
-			currentVersion: "0.23.0-dev",
-			tag:            "v0.24.0-dev.1",
-			expectedFilter: false,
-			description:    "When on dev release, dev tags should not be filtered",
-		},
-		{
-			name:           "dev version allows stable tag",
-			currentVersion: "0.23.0-dev",
-			tag:            "v0.24.0",
-			expectedFilter: false,
-			description:    "When on dev release, stable tags should not be filtered",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			result := filterPreReleasesIfStable(func() string { return tt.currentVersion })(tt.tag)
-			if result != tt.expectedFilter {
-				t.Errorf("%s: got %v, want %v\nDescription: %s\nCurrent version: %s, Tag: %s",
-					tt.name,
-					result,
-					tt.expectedFilter,
-					tt.description,
-					tt.currentVersion,
-					tt.tag,
-				)
-			}
-		})
-	}
-}
-
-func TestIsPreReleaseVersion(t *testing.T) {
-	tests := []struct {
-		name        string
-		version     string
-		expected    bool
-		description string
-	}{
-		{
-			name:        "stable version",
-			version:     "0.23.0",
-			expected:    false,
-			description: "Stable version should not be pre-release",
-		},
-		{
-			name:        "alpha version",
-			version:     "0.23.0-alpha.1",
-			expected:    true,
-			description: "Alpha version should be pre-release",
-		},
-		{
-			name:        "beta version",
-			version:     "0.23.0-beta.1",
-			expected:    true,
-			description: "Beta version should be pre-release",
-		},
-		{
-			name:        "rc version",
-			version:     "0.23.0-rc.1",
-			expected:    true,
-			description: "RC version should be pre-release",
-		},
-		{
-			name:        "version with alpha substring",
-			version:     "0.23.0-alphabetical",
-			expected:    true,
-			description: "Version containing 'alpha' should be pre-release",
-		},
-		{
-			name:        "version with beta substring",
-			version:     "0.23.0-betamax",
-			expected:    true,
-			description: "Version containing 'beta' should be pre-release",
-		},
-		{
-			name:        "dev version",
-			version:     "0.23.0-dev",
-			expected:    true,
-			description: "Dev version should be pre-release",
-		},
-		{
-			name:        "empty version",
-			version:     "",
-			expected:    false,
-			description: "Empty version should not be pre-release",
-		},
-		{
-			name:        "version with patch number",
-			version:     "0.23.1",
-			expected:    false,
-			description: "Stable version with patch should not be pre-release",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			result := isPreReleaseVersion(tt.version)
-			if result != tt.expected {
-				t.Errorf("%s: got %v, want %v\nDescription: %s\nVersion: %s",
-					tt.name,
-					result,
-					tt.expected,
-					tt.description,
-					tt.version,
-				)
-			}
-		})
-	}
-}

cmd/headscale/cli/serve_test.go

@@ -0,0 +1,70 @@
+package cli
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestServeCommand(t *testing.T) {
+	// Test that the serve command exists and is properly configured
+	assert.NotNil(t, serveCmd)
+	assert.Equal(t, "serve", serveCmd.Use)
+	assert.Equal(t, "Launches the headscale server", serveCmd.Short)
+	assert.NotNil(t, serveCmd.Run)
+	assert.NotNil(t, serveCmd.Args)
+}
+
+func TestServeCommandInRootCommand(t *testing.T) {
+	// Test that serve is available as a subcommand of root
+	cmd, _, err := rootCmd.Find([]string{"serve"})
+	require.NoError(t, err)
+	assert.Equal(t, "serve", cmd.Name())
+	assert.Equal(t, serveCmd, cmd)
+}
+
+func TestServeCommandArgs(t *testing.T) {
+	// Test that the Args function is defined and accepts any arguments
+	// The current implementation always returns nil (accepts any args)
+	assert.NotNil(t, serveCmd.Args)
+
+	// Test the args function directly
+	err := serveCmd.Args(serveCmd, []string{})
+	assert.NoError(t, err, "Args function should accept empty arguments")
+
+	err = serveCmd.Args(serveCmd, []string{"extra", "args"})
+	assert.NoError(t, err, "Args function should accept extra arguments")
+}
+
+func TestServeCommandHelp(t *testing.T) {
+	// Test that the command has proper help text
+	assert.NotEmpty(t, serveCmd.Short)
+	assert.Contains(t, serveCmd.Short, "server")
+	assert.Contains(t, serveCmd.Short, "headscale")
+}
+
+func TestServeCommandStructure(t *testing.T) {
+	// Test basic command structure
+	assert.Equal(t, "serve", serveCmd.Name())
+	assert.Equal(t, "Launches the headscale server", serveCmd.Short)
+
+	// Test that it has no subcommands (it's a leaf command)
+	subcommands := serveCmd.Commands()
+	assert.Empty(t, subcommands, "Serve command should not have subcommands")
+}
+
+// Note: We can't easily test the actual execution of serve because:
+// 1. It depends on configuration files being present and valid
+// 2. It calls log.Fatal() which would exit the test process
+// 3. It tries to start an actual HTTP server which would block forever
+// 4. It requires database connections and other infrastructure
+//
+// In a real refactor, we would:
+// 1. Extract server initialization logic to a testable function
+// 2. Use dependency injection for configuration and dependencies
+// 3. Return errors instead of calling log.Fatal()
+// 4. Add graceful shutdown capabilities for testing
+// 5. Allow server startup to be cancelled via context
+//
+// For now, we test the command structure and basic properties.

cmd/headscale/cli/table_filter.go

@@ -0,0 +1,55 @@
+package cli
+
+import (
+	"strings"
+
+	"github.com/pterm/pterm"
+	"github.com/spf13/cobra"
+)
+
+const (
+	HeadscaleDateTimeFormat = "2006-01-02 15:04:05"
+	DefaultAPIKeyExpiry     = "90d"
+	DefaultPreAuthKeyExpiry = "1h"
+)
+
+// FilterTableColumns filters table columns based on --columns flag
+func FilterTableColumns(cmd *cobra.Command, tableData pterm.TableData) pterm.TableData {
+	columns, _ := cmd.Flags().GetString("columns")
+	if columns == "" || len(tableData) == 0 {
+		return tableData
+	}
+
+	headers := tableData[0]
+	wantedColumns := strings.Split(columns, ",")
+
+	// Find column indices
+	var indices []int
+	for _, wanted := range wantedColumns {
+		wanted = strings.TrimSpace(wanted)
+		for i, header := range headers {
+			if strings.EqualFold(header, wanted) {
+				indices = append(indices, i)
+				break
+			}
+		}
+	}
+
+	if len(indices) == 0 {
+		return tableData
+	}
+
+	// Filter all rows
+	filtered := make(pterm.TableData, len(tableData))
+	for i, row := range tableData {
+		newRow := make([]string, len(indices))
+		for j, idx := range indices {
+			if idx < len(row) {
+				newRow[j] = row[idx]
+			}
+		}
+		filtered[i] = newRow
+	}
+
+	return filtered
+}

cmd/headscale/cli/users.go

@@ -1,13 +1,15 @@
 package cli
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"net/url"
 	"strconv"
+	"strings"
 
+	survey "github.com/AlecAivazis/survey/v2"
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
-	"github.com/juanfont/headscale/hscontrol/util"
 	"github.com/pterm/pterm"
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
@@ -15,25 +17,23 @@ import (
 )
 
 func usernameAndIDFlag(cmd *cobra.Command) {
-	cmd.Flags().Int64P("identifier", "i", -1, "User identifier (ID)")
+	cmd.Flags().StringP("user", "u", "", "User identifier (ID, name, or email)")
 	cmd.Flags().StringP("name", "n", "", "Username")
 }
 
-// usernameAndIDFromFlag returns the username and ID from the flags of the command.
-// If both are empty, it will exit the program with an error.
-func usernameAndIDFromFlag(cmd *cobra.Command) (uint64, string) {
-	username, _ := cmd.Flags().GetString("name")
-	identifier, _ := cmd.Flags().GetInt64("identifier")
-	if username == "" && identifier < 0 {
-		err := errors.New("--name or --identifier flag is required")
+// userIDFromFlag returns the user ID using smart lookup.
+// If no user is specified, it will exit the program with an error.
+func userIDFromFlag(cmd *cobra.Command) uint64 {
+	userID, err := GetUserIdentifier(cmd)
+	if err != nil {
 		ErrorOutput(
 			err,
-			"Cannot rename user: "+status.Convert(err).Message(),
-			"",
+			"Cannot identify user: "+err.Error(),
+			GetOutputFlag(cmd),
 		)
 	}
 
-	return uint64(identifier), username
+	return userID
 }
 
 func init() {
@@ -43,14 +43,18 @@ func init() {
 	createUserCmd.Flags().StringP("email", "e", "", "Email")
 	createUserCmd.Flags().StringP("picture-url", "p", "", "Profile picture URL")
 	userCmd.AddCommand(listUsersCmd)
-	usernameAndIDFlag(listUsersCmd)
-	listUsersCmd.Flags().StringP("email", "e", "", "Email")
+	// Smart lookup filters - can be used individually or combined
+	listUsersCmd.Flags().StringP("user", "u", "", "Filter by user (ID, name, or email)")
+	listUsersCmd.Flags().Uint64P("id", "", 0, "Filter by user ID")
+	listUsersCmd.Flags().StringP("name", "n", "", "Filter by username")
+	listUsersCmd.Flags().StringP("email", "e", "", "Filter by email address")
+	listUsersCmd.Flags().String("columns", "", "Comma-separated list of columns to display (ID,Name,Username,Email,Created)")
 	userCmd.AddCommand(destroyUserCmd)
 	usernameAndIDFlag(destroyUserCmd)
 	userCmd.AddCommand(renameUserCmd)
 	usernameAndIDFlag(renameUserCmd)
 	renameUserCmd.Flags().StringP("new-name", "r", "", "New username")
-	renameNodeCmd.MarkFlagRequired("new-name")
+	renameUserCmd.MarkFlagRequired("new-name")
 }
 
 var errMissingParameter = errors.New("missing parameters")
@@ -73,16 +77,9 @@ var createUserCmd = &cobra.Command{
 		return nil
 	},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
-
+		output := GetOutputFlag(cmd)
 		userName := args[0]
 
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
-
-		log.Trace().Interface("client", client).Msg("Obtained gRPC client")
-
 		request := &v1.CreateUserRequest{Name: userName}
 
 		if displayName, _ := cmd.Flags().GetString("display-name"); displayName != "" {
@@ -103,82 +100,109 @@ var createUserCmd = &cobra.Command{
 					),
 					output,
 				)
+				return
 			}
 			request.PictureUrl = pictureURL
 		}
 
-		log.Trace().Interface("request", request).Msg("Sending CreateUser request")
-		response, err := client.CreateUser(ctx, request)
-		if err != nil {
-			ErrorOutput(
-				err,
-				"Cannot create user: "+status.Convert(err).Message(),
-				output,
-			)
-		}
+		err := WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			log.Trace().Interface("client", client).Msg("Obtained gRPC client")
+			log.Trace().Interface("request", request).Msg("Sending CreateUser request")
 
-		SuccessOutput(response.GetUser(), "User created", output)
+			response, err := client.CreateUser(ctx, request)
+			if err != nil {
+				ErrorOutput(
+					err,
+					"Cannot create user: "+status.Convert(err).Message(),
+					output,
+				)
+				return err
+			}
+
+			SuccessOutput(response.GetUser(), "User created", output)
+			return nil
+		})
+		if err != nil {
+			return
+		}
 	},
 }
 
 var destroyUserCmd = &cobra.Command{
-	Use:     "destroy --identifier ID or --name NAME",
+	Use:     "destroy --user USER",
 	Short:   "Destroys a user",
 	Aliases: []string{"delete"},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
+		output := GetOutputFlag(cmd)
 
-		id, username := usernameAndIDFromFlag(cmd)
+		id := userIDFromFlag(cmd)
 		request := &v1.ListUsersRequest{
-			Name: username,
-			Id:   id,
+			Id: id,
 		}
 
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
+		var user *v1.User
+		err := WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			users, err := client.ListUsers(ctx, request)
+			if err != nil {
+				ErrorOutput(
+					err,
+					"Error: "+status.Convert(err).Message(),
+					output,
+				)
+				return err
+			}
 
-		users, err := client.ListUsers(ctx, request)
+			if len(users.GetUsers()) != 1 {
+				err := errors.New("Unable to determine user to delete, query returned multiple users, use ID")
+				ErrorOutput(
+					err,
+					"Error: "+status.Convert(err).Message(),
+					output,
+				)
+				return err
+			}
+
+			user = users.GetUsers()[0]
+			return nil
+		})
 		if err != nil {
-			ErrorOutput(
-				err,
-				"Error: "+status.Convert(err).Message(),
-				output,
-			)
+			return
 		}
 
-		if len(users.GetUsers()) != 1 {
-			err := errors.New("Unable to determine user to delete, query returned multiple users, use ID")
-			ErrorOutput(
-				err,
-				"Error: "+status.Convert(err).Message(),
-				output,
-			)
-		}
-
-		user := users.GetUsers()[0]
-
 		confirm := false
 		force, _ := cmd.Flags().GetBool("force")
 		if !force {
-			confirm = util.YesNo(fmt.Sprintf(
-				"Do you want to remove the user %q (%d) and any associated preauthkeys?",
-				user.GetName(), user.GetId(),
-			))
+			prompt := &survey.Confirm{
+				Message: fmt.Sprintf(
+					"Do you want to remove the user %q (%d) and any associated preauthkeys?",
+					user.GetName(), user.GetId(),
+				),
+			}
+			err := survey.AskOne(prompt, &confirm)
+			if err != nil {
+				return
+			}
 		}
 
 		if confirm || force {
-			request := &v1.DeleteUserRequest{Id: user.GetId()}
+			err = WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+				request := &v1.DeleteUserRequest{Id: user.GetId()}
 
-			response, err := client.DeleteUser(ctx, request)
+				response, err := client.DeleteUser(ctx, request)
+				if err != nil {
+					ErrorOutput(
+						err,
+						"Cannot destroy user: "+status.Convert(err).Message(),
+						output,
+					)
+					return err
+				}
+				SuccessOutput(response, "User destroyed", output)
+				return nil
+			})
 			if err != nil {
-				ErrorOutput(
-					err,
-					"Cannot destroy user: "+status.Convert(err).Message(),
-					output,
-				)
+				return
 			}
-			SuccessOutput(response, "User destroyed", output)
 		} else {
 			SuccessOutput(map[string]string{"Result": "User not destroyed"}, "User not destroyed", output)
 		}
@@ -190,61 +214,76 @@ var listUsersCmd = &cobra.Command{
 	Short:   "List all the users",
 	Aliases: []string{"ls", "show"},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
+		output := GetOutputFlag(cmd)
 
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
+		err := WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			request := &v1.ListUsersRequest{}
 
-		request := &v1.ListUsersRequest{}
+			// Check for smart lookup flag first
+			userFlag, _ := cmd.Flags().GetString("user")
+			if userFlag != "" {
+				// Use smart lookup to determine filter type
+				if id, err := strconv.ParseUint(userFlag, 10, 64); err == nil && id > 0 {
+					request.Id = id
+				} else if strings.Contains(userFlag, "@") {
+					request.Email = userFlag
+				} else {
+					request.Name = userFlag
+				}
+			} else {
+				// Check specific filter flags
+				if id, _ := cmd.Flags().GetUint64("id"); id > 0 {
+					request.Id = id
+				} else if name, _ := cmd.Flags().GetString("name"); name != "" {
+					request.Name = name
+				} else if email, _ := cmd.Flags().GetString("email"); email != "" {
+					request.Email = email
+				}
+			}
 
-		id, _ := cmd.Flags().GetInt64("identifier")
-		username, _ := cmd.Flags().GetString("name")
-		email, _ := cmd.Flags().GetString("email")
+			response, err := client.ListUsers(ctx, request)
+			if err != nil {
+				ErrorOutput(
+					err,
+					"Cannot get users: "+status.Convert(err).Message(),
+					output,
+				)
+				return err
+			}
 
-		// filter by one param at most
-		switch {
-		case id > 0:
-			request.Id = uint64(id)
-		case username != "":
-			request.Name = username
-		case email != "":
-			request.Email = email
-		}
+			if output != "" {
+				SuccessOutput(response.GetUsers(), "", output)
+				return nil
+			}
 
-		response, err := client.ListUsers(ctx, request)
+			tableData := pterm.TableData{{"ID", "Name", "Username", "Email", "Created"}}
+			for _, user := range response.GetUsers() {
+				tableData = append(
+					tableData,
+					[]string{
+						strconv.FormatUint(user.GetId(), 10),
+						user.GetDisplayName(),
+						user.GetName(),
+						user.GetEmail(),
+						user.GetCreatedAt().AsTime().Format(HeadscaleDateTimeFormat),
+					},
+				)
+			}
+			tableData = FilterTableColumns(cmd, tableData)
+			err = pterm.DefaultTable.WithHasHeader().WithData(tableData).Render()
+			if err != nil {
+				ErrorOutput(
+					err,
+					fmt.Sprintf("Failed to render pterm table: %s", err),
+					output,
+				)
+				return err
+			}
+			return nil
+		})
 		if err != nil {
-			ErrorOutput(
-				err,
-				"Cannot get users: "+status.Convert(err).Message(),
-				output,
-			)
-		}
-
-		if output != "" {
-			SuccessOutput(response.GetUsers(), "", output)
-		}
-
-		tableData := pterm.TableData{{"ID", "Name", "Username", "Email", "Created"}}
-		for _, user := range response.GetUsers() {
-			tableData = append(
-				tableData,
-				[]string{
-					strconv.FormatUint(user.GetId(), 10),
-					user.GetDisplayName(),
-					user.GetName(),
-					user.GetEmail(),
-					user.GetCreatedAt().AsTime().Format("2006-01-02 15:04:05"),
-				},
-			)
-		}
-		err = pterm.DefaultTable.WithHasHeader().WithData(tableData).Render()
-		if err != nil {
-			ErrorOutput(
-				err,
-				fmt.Sprintf("Failed to render pterm table: %s", err),
-				output,
-			)
+			// Error already handled in closure
+			return
 		}
 	},
 }
@@ -254,52 +293,56 @@ var renameUserCmd = &cobra.Command{
 	Short:   "Renames a user",
 	Aliases: []string{"mv"},
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
-
-		ctx, client, conn, cancel := newHeadscaleCLIWithConfig()
-		defer cancel()
-		defer conn.Close()
-
-		id, username := usernameAndIDFromFlag(cmd)
-		listReq := &v1.ListUsersRequest{
-			Name: username,
-			Id:   id,
-		}
-
-		users, err := client.ListUsers(ctx, listReq)
-		if err != nil {
-			ErrorOutput(
-				err,
-				"Error: "+status.Convert(err).Message(),
-				output,
-			)
-		}
-
-		if len(users.GetUsers()) != 1 {
-			err := errors.New("Unable to determine user to delete, query returned multiple users, use ID")
-			ErrorOutput(
-				err,
-				"Error: "+status.Convert(err).Message(),
-				output,
-			)
-		}
+		output := GetOutputFlag(cmd)
 
+		id := userIDFromFlag(cmd)
 		newName, _ := cmd.Flags().GetString("new-name")
 
-		renameReq := &v1.RenameUserRequest{
-			OldId:   id,
-			NewName: newName,
-		}
+		err := WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+			listReq := &v1.ListUsersRequest{
+				Id: id,
+			}
 
-		response, err := client.RenameUser(ctx, renameReq)
+			users, err := client.ListUsers(ctx, listReq)
+			if err != nil {
+				ErrorOutput(
+					err,
+					"Error: "+status.Convert(err).Message(),
+					output,
+				)
+				return err
+			}
+
+			if len(users.GetUsers()) != 1 {
+				err := errors.New("Unable to determine user to delete, query returned multiple users, use ID")
+				ErrorOutput(
+					err,
+					"Error: "+status.Convert(err).Message(),
+					output,
+				)
+				return err
+			}
+
+			renameReq := &v1.RenameUserRequest{
+				OldId:   id,
+				NewName: newName,
+			}
+
+			response, err := client.RenameUser(ctx, renameReq)
+			if err != nil {
+				ErrorOutput(
+					err,
+					"Cannot rename user: "+status.Convert(err).Message(),
+					output,
+				)
+				return err
+			}
+
+			SuccessOutput(response.GetUser(), "User renamed", output)
+			return nil
+		})
 		if err != nil {
-			ErrorOutput(
-				err,
-				"Cannot rename user: "+status.Convert(err).Message(),
-				output,
-			)
+			return
 		}
-
-		SuccessOutput(response.GetUser(), "User renamed", output)
 	},
 }

cmd/headscale/cli/utils.go

@@ -5,24 +5,23 @@ import (
 	"crypto/tls"
 	"encoding/json"
 	"fmt"
+	"net"
 	"os"
+	"strconv"
+	"strings"
 
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
 	"github.com/juanfont/headscale/hscontrol"
 	"github.com/juanfont/headscale/hscontrol/types"
 	"github.com/juanfont/headscale/hscontrol/util"
 	"github.com/rs/zerolog/log"
+	"github.com/spf13/cobra"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/credentials/insecure"
 	"gopkg.in/yaml.v3"
 )
 
-const (
-	HeadscaleDateTimeFormat = "2006-01-02 15:04:05"
-	SocketWritePermissions  = 0o666
-)
-
 func newHeadscaleServerWithConfig() (*hscontrol.Headscale, error) {
 	cfg, err := types.LoadServerConfig()
 	if err != nil {
@@ -72,7 +71,7 @@ func newHeadscaleCLIWithConfig() (context.Context, v1.HeadscaleServiceClient, *g
 
 		// Try to give the user better feedback if we cannot write to the headscale
 		// socket.
-		socket, err := os.OpenFile(cfg.UnixSocket, os.O_WRONLY, SocketWritePermissions) // nolint
+		socket, err := os.OpenFile(cfg.UnixSocket, os.O_WRONLY, 0o666) // nolint
 		if err != nil {
 			if os.IsPermission(err) {
 				log.Fatal().
@@ -169,14 +168,7 @@ func ErrorOutput(errResult error, override string, outputFormat string) {
 		Error string `json:"error"`
 	}
 
-	var errorMessage string
-	if errResult != nil {
-		errorMessage = errResult.Error()
-	} else {
-		errorMessage = override
-	}
-
-	fmt.Fprintf(os.Stderr, "%s\n", output(errOutput{errorMessage}, override, outputFormat))
+	fmt.Fprintf(os.Stderr, "%s\n", output(errOutput{errResult.Error()}, override, outputFormat))
 	os.Exit(1)
 }
 
@@ -207,3 +199,152 @@ func (t tokenAuth) GetRequestMetadata(
 func (tokenAuth) RequireTransportSecurity() bool {
 	return true
 }
+
+// GetOutputFlag returns the output flag value (never fails)
+func GetOutputFlag(cmd *cobra.Command) string {
+	output, _ := cmd.Flags().GetString("output")
+	return output
+}
+
+
+// GetNodeIdentifier returns the node ID using smart lookup via gRPC ListNodes call
+func GetNodeIdentifier(cmd *cobra.Command) (uint64, error) {
+	nodeFlag, _ := cmd.Flags().GetString("node")
+
+	// Use --node flag
+	if nodeFlag == "" {
+		return 0, fmt.Errorf("--node flag is required")
+	}
+
+	// Use smart lookup via gRPC
+	return lookupNodeBySpecifier(nodeFlag)
+}
+
+// lookupNodeBySpecifier performs smart lookup of a node by ID, name, hostname, or IP
+func lookupNodeBySpecifier(specifier string) (uint64, error) {
+	var nodeID uint64
+
+	err := WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+		request := &v1.ListNodesRequest{}
+
+		// Detect what type of specifier this is and set appropriate filter
+		if id, err := strconv.ParseUint(specifier, 10, 64); err == nil && id > 0 {
+			// Looks like a numeric ID
+			request.Id = id
+		} else if isIPAddress(specifier) {
+			// Looks like an IP address
+			request.IpAddresses = []string{specifier}
+		} else {
+			// Treat as hostname/name
+			request.Name = specifier
+		}
+
+		response, err := client.ListNodes(ctx, request)
+		if err != nil {
+			return fmt.Errorf("failed to lookup node: %w", err)
+		}
+
+		nodes := response.GetNodes()
+		if len(nodes) == 0 {
+			return fmt.Errorf("node not found")
+		}
+
+		if len(nodes) > 1 {
+			var nodeInfo []string
+			for _, node := range nodes {
+				nodeInfo = append(nodeInfo, fmt.Sprintf("ID=%d name=%s", node.GetId(), node.GetName()))
+			}
+			return fmt.Errorf("multiple nodes found matching '%s': %s", specifier, strings.Join(nodeInfo, ", "))
+		}
+
+		// Exactly one match - this is what we want
+		nodeID = nodes[0].GetId()
+		return nil
+	})
+	if err != nil {
+		return 0, err
+	}
+
+	return nodeID, nil
+}
+
+// isIPAddress checks if a string looks like an IP address
+func isIPAddress(s string) bool {
+	// Try parsing as IP address (both IPv4 and IPv6)
+	if net.ParseIP(s) != nil {
+		return true
+	}
+	// Try parsing as CIDR
+	if _, _, err := net.ParseCIDR(s); err == nil {
+		return true
+	}
+	return false
+}
+
+// GetUserIdentifier returns the user ID using smart lookup via gRPC ListUsers call
+func GetUserIdentifier(cmd *cobra.Command) (uint64, error) {
+	userFlag, _ := cmd.Flags().GetString("user")
+	nameFlag, _ := cmd.Flags().GetString("name")
+
+	var specifier string
+
+	// Determine which flag was used (prefer --user, fall back to legacy flags)
+	if userFlag != "" {
+		specifier = userFlag
+	} else if nameFlag != "" {
+		specifier = nameFlag
+	} else {
+		return 0, fmt.Errorf("--user flag is required")
+	}
+
+	// Use smart lookup via gRPC
+	return lookupUserBySpecifier(specifier)
+}
+
+// lookupUserBySpecifier performs smart lookup of a user by ID, name, or email
+func lookupUserBySpecifier(specifier string) (uint64, error) {
+	var userID uint64
+
+	err := WithClient(func(ctx context.Context, client v1.HeadscaleServiceClient) error {
+		request := &v1.ListUsersRequest{}
+
+		// Detect what type of specifier this is and set appropriate filter
+		if id, err := strconv.ParseUint(specifier, 10, 64); err == nil && id > 0 {
+			// Looks like a numeric ID
+			request.Id = id
+		} else if strings.Contains(specifier, "@") {
+			// Looks like an email address
+			request.Email = specifier
+		} else {
+			// Treat as username
+			request.Name = specifier
+		}
+
+		response, err := client.ListUsers(ctx, request)
+		if err != nil {
+			return fmt.Errorf("failed to lookup user: %w", err)
+		}
+
+		users := response.GetUsers()
+		if len(users) == 0 {
+			return fmt.Errorf("user not found")
+		}
+
+		if len(users) > 1 {
+			var userInfo []string
+			for _, user := range users {
+				userInfo = append(userInfo, fmt.Sprintf("ID=%d name=%s email=%s", user.GetId(), user.GetName(), user.GetEmail()))
+			}
+			return fmt.Errorf("multiple users found matching '%s': %s", specifier, strings.Join(userInfo, ", "))
+		}
+
+		// Exactly one match - this is what we want
+		userID = users[0].GetId()
+		return nil
+	})
+	if err != nil {
+		return 0, err
+	}
+
+	return userID, nil
+}

cmd/headscale/cli/utils_test.go

@@ -0,0 +1,175 @@
+package cli
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestHasMachineOutputFlag(t *testing.T) {
+	tests := []struct {
+		name     string
+		args     []string
+		expected bool
+	}{
+		{
+			name:     "no machine output flags",
+			args:     []string{"headscale", "users", "list"},
+			expected: false,
+		},
+		{
+			name:     "json flag present",
+			args:     []string{"headscale", "users", "list", "json"},
+			expected: true,
+		},
+		{
+			name:     "json-line flag present",
+			args:     []string{"headscale", "nodes", "list", "json-line"},
+			expected: true,
+		},
+		{
+			name:     "yaml flag present",
+			args:     []string{"headscale", "apikeys", "list", "yaml"},
+			expected: true,
+		},
+		{
+			name:     "mixed flags with json",
+			args:     []string{"headscale", "--config", "/tmp/config.yaml", "users", "list", "json"},
+			expected: true,
+		},
+		{
+			name:     "flag as part of longer argument",
+			args:     []string{"headscale", "users", "create", "json-user@example.com"},
+			expected: false,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Save original os.Args
+			originalArgs := os.Args
+			defer func() { os.Args = originalArgs }()
+
+			// Set os.Args to test case
+			os.Args = tt.args
+
+			result := HasMachineOutputFlag()
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+func TestOutput(t *testing.T) {
+	tests := []struct {
+		name         string
+		result       interface{}
+		override     string
+		outputFormat string
+		expected     string
+	}{
+		{
+			name:         "default format returns override",
+			result:       map[string]string{"test": "value"},
+			override:     "Human readable output",
+			outputFormat: "",
+			expected:     "Human readable output",
+		},
+		{
+			name:         "default format with empty override",
+			result:       map[string]string{"test": "value"},
+			override:     "",
+			outputFormat: "",
+			expected:     "",
+		},
+		{
+			name:         "json format",
+			result:       map[string]string{"name": "test", "id": "123"},
+			override:     "Human readable",
+			outputFormat: "json",
+			expected:     "{\n\t\"id\": \"123\",\n\t\"name\": \"test\"\n}",
+		},
+		{
+			name:         "json-line format",
+			result:       map[string]string{"name": "test", "id": "123"},
+			override:     "Human readable",
+			outputFormat: "json-line",
+			expected:     "{\"id\":\"123\",\"name\":\"test\"}",
+		},
+		{
+			name:         "yaml format",
+			result:       map[string]string{"name": "test", "id": "123"},
+			override:     "Human readable",
+			outputFormat: "yaml",
+			expected:     "id: \"123\"\nname: test\n",
+		},
+		{
+			name:         "invalid format returns override",
+			result:       map[string]string{"test": "value"},
+			override:     "Human readable output",
+			outputFormat: "invalid",
+			expected:     "Human readable output",
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			result := output(tt.result, tt.override, tt.outputFormat)
+			assert.Equal(t, tt.expected, result)
+		})
+	}
+}
+
+func TestOutputWithComplexData(t *testing.T) {
+	// Test with more complex data structures
+	complexData := struct {
+		Users []struct {
+			Name string `json:"name" yaml:"name"`
+			ID   int    `json:"id" yaml:"id"`
+		} `json:"users" yaml:"users"`
+	}{
+		Users: []struct {
+			Name string `json:"name" yaml:"name"`
+			ID   int    `json:"id" yaml:"id"`
+		}{
+			{Name: "user1", ID: 1},
+			{Name: "user2", ID: 2},
+		},
+	}
+
+	// Test JSON output
+	jsonResult := output(complexData, "override", "json")
+	assert.Contains(t, jsonResult, "\"users\":")
+	assert.Contains(t, jsonResult, "\"name\": \"user1\"")
+	assert.Contains(t, jsonResult, "\"id\": 1")
+
+	// Test YAML output
+	yamlResult := output(complexData, "override", "yaml")
+	assert.Contains(t, yamlResult, "users:")
+	assert.Contains(t, yamlResult, "name: user1")
+	assert.Contains(t, yamlResult, "id: 1")
+}
+
+func TestOutputWithNilData(t *testing.T) {
+	// Test with nil data
+	result := output(nil, "fallback", "json")
+	assert.Equal(t, "null", result)
+
+	result = output(nil, "fallback", "yaml")
+	assert.Equal(t, "null\n", result)
+
+	result = output(nil, "fallback", "")
+	assert.Equal(t, "fallback", result)
+}
+
+func TestOutputWithEmptyData(t *testing.T) {
+	// Test with empty slice
+	emptySlice := []string{}
+	result := output(emptySlice, "fallback", "json")
+	assert.Equal(t, "[]", result)
+
+	// Test with empty map
+	emptyMap := map[string]string{}
+	result = output(emptyMap, "fallback", "json")
+	assert.Equal(t, "{}", result)
+}

cmd/headscale/cli/version.go

@@ -7,18 +7,17 @@ import (
 
 func init() {
 	rootCmd.AddCommand(versionCmd)
-	versionCmd.Flags().StringP("output", "o", "", "Output format. Empty for human-readable, 'json', 'json-line' or 'yaml'")
 }
 
 var versionCmd = &cobra.Command{
 	Use:   "version",
-	Short: "Print the version.",
-	Long:  "The version of headscale.",
+	Short: "Print the version",
+	Long:  "The version of headscale",
 	Run: func(cmd *cobra.Command, args []string) {
-		output, _ := cmd.Flags().GetString("output")
-
-		info := types.GetVersionInfo()
-
-		SuccessOutput(info, info.String(), output)
+		output := GetOutputFlag(cmd)
+		SuccessOutput(map[string]string{
+			"version": types.Version,
+			"commit":  types.GitCommitHash,
+		}, types.Version, output)
 	},
 }

cmd/headscale/cli/version_test.go

@@ -0,0 +1,45 @@
+package cli
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestVersionCommand(t *testing.T) {
+	// Test that version command exists
+	assert.NotNil(t, versionCmd)
+	assert.Equal(t, "version", versionCmd.Use)
+	assert.Equal(t, "Print the version.", versionCmd.Short)
+	assert.Equal(t, "The version of headscale.", versionCmd.Long)
+}
+
+func TestVersionCommandStructure(t *testing.T) {
+	// Test command is properly added to root
+	found := false
+	for _, cmd := range rootCmd.Commands() {
+		if cmd.Use == "version" {
+			found = true
+			break
+		}
+	}
+	assert.True(t, found, "version command should be added to root command")
+}
+
+func TestVersionCommandFlags(t *testing.T) {
+	// Version command should inherit output flag from root as persistent flag
+	outputFlag := versionCmd.Flag("output")
+	if outputFlag == nil {
+		// Try persistent flags from root
+		outputFlag = rootCmd.PersistentFlags().Lookup("output")
+	}
+	assert.NotNil(t, outputFlag, "version command should have access to output flag")
+}
+
+func TestVersionCommandRun(t *testing.T) {
+	// Test that Run function is set
+	assert.NotNil(t, versionCmd.Run)
+
+	// We can't easily test the actual execution without mocking SuccessOutput
+	// but we can verify the function exists and has the right signature
+}

cmd/hi/docker.go

@@ -90,32 +90,6 @@ func runTestContainer(ctx context.Context, config *RunConfig) error {
 
 	log.Printf("Starting test: %s", config.TestPattern)
 
-	// Start stats collection for container resource monitoring (if enabled)
-	var statsCollector *StatsCollector
-	if config.Stats {
-		var err error
-		statsCollector, err = NewStatsCollector()
-		if err != nil {
-			if config.Verbose {
-				log.Printf("Warning: failed to create stats collector: %v", err)
-			}
-			statsCollector = nil
-		}
-
-		if statsCollector != nil {
-			defer statsCollector.Close()
-
-			// Start stats collection immediately - no need for complex retry logic
-			// The new implementation monitors Docker events and will catch containers as they start
-			if err := statsCollector.StartCollection(ctx, runID, config.Verbose); err != nil {
-				if config.Verbose {
-					log.Printf("Warning: failed to start stats collection: %v", err)
-				}
-			}
-			defer statsCollector.StopCollection()
-		}
-	}
-
 	exitCode, err := streamAndWait(ctx, cli, resp.ID)
 
 	// Ensure all containers have finished and logs are flushed before extracting artifacts
@@ -131,21 +105,6 @@ func runTestContainer(ctx context.Context, config *RunConfig) error {
 	// Always list control files regardless of test outcome
 	listControlFiles(logsDir)
 
-	// Print stats summary and check memory limits if enabled
-	if config.Stats && statsCollector != nil {
-		violations := statsCollector.PrintSummaryAndCheckLimits(config.HSMemoryLimit, config.TSMemoryLimit)
-		if len(violations) > 0 {
-			log.Printf("MEMORY LIMIT VIOLATIONS DETECTED:")
-			log.Printf("=================================")
-			for _, violation := range violations {
-				log.Printf("Container %s exceeded memory limit: %.1f MB > %.1f MB",
-					violation.ContainerName, violation.MaxMemoryMB, violation.LimitMB)
-			}
-
-			return fmt.Errorf("test failed: %d container(s) exceeded memory limits", len(violations))
-		}
-	}
-
 	shouldCleanup := config.CleanAfter && (!config.KeepOnFailure || exitCode == 0)
 	if shouldCleanup {
 		if config.Verbose {
@@ -420,37 +379,10 @@ func getDockerSocketPath() string {
 	return "/var/run/docker.sock"
 }
 
-// checkImageAvailableLocally checks if the specified Docker image is available locally.
-func checkImageAvailableLocally(ctx context.Context, cli *client.Client, imageName string) (bool, error) {
-	_, _, err := cli.ImageInspectWithRaw(ctx, imageName)
-	if err != nil {
-		if client.IsErrNotFound(err) {
-			return false, nil
-		}
-		return false, fmt.Errorf("failed to inspect image %s: %w", imageName, err)
-	}
-
-	return true, nil
-}
-
-// ensureImageAvailable checks if the image is available locally first, then pulls if needed.
+// ensureImageAvailable pulls the specified Docker image to ensure it's available.
 func ensureImageAvailable(ctx context.Context, cli *client.Client, imageName string, verbose bool) error {
-	// First check if image is available locally
-	available, err := checkImageAvailableLocally(ctx, cli, imageName)
-	if err != nil {
-		return fmt.Errorf("failed to check local image availability: %w", err)
-	}
-
-	if available {
-		if verbose {
-			log.Printf("Image %s is available locally", imageName)
-		}
-		return nil
-	}
-
-	// Image not available locally, try to pull it
 	if verbose {
-		log.Printf("Image %s not found locally, pulling...", imageName)
+		log.Printf("Pulling image %s...", imageName)
 	}
 
 	reader, err := cli.ImagePull(ctx, imageName, image.PullOptions{})

cmd/hi/doctor.go

@@ -190,7 +190,7 @@ func checkDockerSocket(ctx context.Context) DoctorResult {
 	}
 }
 
-// checkGolangImage verifies the golang Docker image is available locally or can be pulled.
+// checkGolangImage verifies we can access the golang Docker image.
 func checkGolangImage(ctx context.Context) DoctorResult {
 	cli, err := createDockerClient()
 	if err != nil {
@@ -205,40 +205,17 @@ func checkGolangImage(ctx context.Context) DoctorResult {
 	goVersion := detectGoVersion()
 	imageName := "golang:" + goVersion
 
-	// First check if image is available locally
-	available, err := checkImageAvailableLocally(ctx, cli, imageName)
-	if err != nil {
-		return DoctorResult{
-			Name:    "Golang Image",
-			Status:  "FAIL",
-			Message: fmt.Sprintf("Cannot check golang image %s: %v", imageName, err),
-			Suggestions: []string{
-				"Check Docker daemon status",
-				"Try: docker images | grep golang",
-			},
-		}
-	}
-
-	if available {
-		return DoctorResult{
-			Name:    "Golang Image",
-			Status:  "PASS",
-			Message: fmt.Sprintf("Golang image %s is available locally", imageName),
-		}
-	}
-
-	// Image not available locally, try to pull it
+	// Check if we can pull the image
 	err = ensureImageAvailable(ctx, cli, imageName, false)
 	if err != nil {
 		return DoctorResult{
 			Name:    "Golang Image",
 			Status:  "FAIL",
-			Message: fmt.Sprintf("Golang image %s not available locally and cannot pull: %v", imageName, err),
+			Message: fmt.Sprintf("Cannot pull golang image %s: %v", imageName, err),
 			Suggestions: []string{
 				"Check internet connectivity",
 				"Verify Docker Hub access",
 				"Try: docker pull " + imageName,
-				"Or run tests offline if image was pulled previously",
 			},
 		}
 	}
@@ -246,7 +223,7 @@ func checkGolangImage(ctx context.Context) DoctorResult {
 	return DoctorResult{
 		Name:    "Golang Image",
 		Status:  "PASS",
-		Message: fmt.Sprintf("Golang image %s is now available", imageName),
+		Message: fmt.Sprintf("Golang image %s is available", imageName),
 	}
 }
 

cmd/hi/run.go

@@ -24,9 +24,6 @@ type RunConfig struct {
 	KeepOnFailure bool          `flag:"keep-on-failure,default=false,Keep containers on test failure"`
 	LogsDir       string        `flag:"logs-dir,default=control_logs,Control logs directory"`
 	Verbose       bool          `flag:"verbose,default=false,Verbose output"`
-	Stats         bool          `flag:"stats,default=false,Collect and display container resource usage statistics"`
-	HSMemoryLimit float64       `flag:"hs-memory-limit,default=0,Fail test if any Headscale container exceeds this memory limit in MB (0 = disabled)"`
-	TSMemoryLimit float64       `flag:"ts-memory-limit,default=0,Fail test if any Tailscale container exceeds this memory limit in MB (0 = disabled)"`
 }
 
 // runIntegrationTest executes the integration test workflow.
@@ -74,7 +71,7 @@ func detectGoVersion() string {
 
 	content, err := os.ReadFile(goModPath)
 	if err != nil {
-		return "1.25"
+		return "1.24"
 	}
 
 	lines := splitLines(string(content))
@@ -89,7 +86,7 @@ func detectGoVersion() string {
 		}
 	}
 
-	return "1.25"
+	return "1.24"
 }
 
 // splitLines splits a string into lines without using strings.Split.

cmd/hi/stats.go

@@ -1,471 +0,0 @@
-package main
-
-import (
-	"context"
-	"encoding/json"
-	"errors"
-	"fmt"
-	"log"
-	"sort"
-	"strings"
-	"sync"
-	"time"
-
-	"github.com/docker/docker/api/types"
-	"github.com/docker/docker/api/types/container"
-	"github.com/docker/docker/api/types/events"
-	"github.com/docker/docker/api/types/filters"
-	"github.com/docker/docker/client"
-)
-
-// ContainerStats represents statistics for a single container.
-type ContainerStats struct {
-	ContainerID   string
-	ContainerName string
-	Stats         []StatsSample
-	mutex         sync.RWMutex
-}
-
-// StatsSample represents a single stats measurement.
-type StatsSample struct {
-	Timestamp time.Time
-	CPUUsage  float64 // CPU usage percentage
-	MemoryMB  float64 // Memory usage in MB
-}
-
-// StatsCollector manages collection of container statistics.
-type StatsCollector struct {
-	client            *client.Client
-	containers        map[string]*ContainerStats
-	stopChan          chan struct{}
-	wg                sync.WaitGroup
-	mutex             sync.RWMutex
-	collectionStarted bool
-}
-
-// NewStatsCollector creates a new stats collector instance.
-func NewStatsCollector() (*StatsCollector, error) {
-	cli, err := createDockerClient()
-	if err != nil {
-		return nil, fmt.Errorf("failed to create Docker client: %w", err)
-	}
-
-	return &StatsCollector{
-		client:     cli,
-		containers: make(map[string]*ContainerStats),
-		stopChan:   make(chan struct{}),
-	}, nil
-}
-
-// StartCollection begins monitoring all containers and collecting stats for hs- and ts- containers with matching run ID.
-func (sc *StatsCollector) StartCollection(ctx context.Context, runID string, verbose bool) error {
-	sc.mutex.Lock()
-	defer sc.mutex.Unlock()
-
-	if sc.collectionStarted {
-		return errors.New("stats collection already started")
-	}
-
-	sc.collectionStarted = true
-
-	// Start monitoring existing containers
-	sc.wg.Add(1)
-	go sc.monitorExistingContainers(ctx, runID, verbose)
-
-	// Start Docker events monitoring for new containers
-	sc.wg.Add(1)
-	go sc.monitorDockerEvents(ctx, runID, verbose)
-
-	if verbose {
-		log.Printf("Started container monitoring for run ID %s", runID)
-	}
-
-	return nil
-}
-
-// StopCollection stops all stats collection.
-func (sc *StatsCollector) StopCollection() {
-	// Check if already stopped without holding lock
-	sc.mutex.RLock()
-	if !sc.collectionStarted {
-		sc.mutex.RUnlock()
-		return
-	}
-	sc.mutex.RUnlock()
-
-	// Signal stop to all goroutines
-	close(sc.stopChan)
-
-	// Wait for all goroutines to finish
-	sc.wg.Wait()
-
-	// Mark as stopped
-	sc.mutex.Lock()
-	sc.collectionStarted = false
-	sc.mutex.Unlock()
-}
-
-// monitorExistingContainers checks for existing containers that match our criteria.
-func (sc *StatsCollector) monitorExistingContainers(ctx context.Context, runID string, verbose bool) {
-	defer sc.wg.Done()
-
-	containers, err := sc.client.ContainerList(ctx, container.ListOptions{})
-	if err != nil {
-		if verbose {
-			log.Printf("Failed to list existing containers: %v", err)
-		}
-		return
-	}
-
-	for _, cont := range containers {
-		if sc.shouldMonitorContainer(cont, runID) {
-			sc.startStatsForContainer(ctx, cont.ID, cont.Names[0], verbose)
-		}
-	}
-}
-
-// monitorDockerEvents listens for container start events and begins monitoring relevant containers.
-func (sc *StatsCollector) monitorDockerEvents(ctx context.Context, runID string, verbose bool) {
-	defer sc.wg.Done()
-
-	filter := filters.NewArgs()
-	filter.Add("type", "container")
-	filter.Add("event", "start")
-
-	eventOptions := events.ListOptions{
-		Filters: filter,
-	}
-
-	events, errs := sc.client.Events(ctx, eventOptions)
-
-	for {
-		select {
-		case <-sc.stopChan:
-			return
-		case <-ctx.Done():
-			return
-		case event := <-events:
-			if event.Type == "container" && event.Action == "start" {
-				// Get container details
-				containerInfo, err := sc.client.ContainerInspect(ctx, event.ID)
-				if err != nil {
-					continue
-				}
-
-				// Convert to types.Container format for consistency
-				cont := types.Container{
-					ID:     containerInfo.ID,
-					Names:  []string{containerInfo.Name},
-					Labels: containerInfo.Config.Labels,
-				}
-
-				if sc.shouldMonitorContainer(cont, runID) {
-					sc.startStatsForContainer(ctx, cont.ID, cont.Names[0], verbose)
-				}
-			}
-		case err := <-errs:
-			if verbose {
-				log.Printf("Error in Docker events stream: %v", err)
-			}
-			return
-		}
-	}
-}
-
-// shouldMonitorContainer determines if a container should be monitored.
-func (sc *StatsCollector) shouldMonitorContainer(cont types.Container, runID string) bool {
-	// Check if it has the correct run ID label
-	if cont.Labels == nil || cont.Labels["hi.run-id"] != runID {
-		return false
-	}
-
-	// Check if it's an hs- or ts- container
-	for _, name := range cont.Names {
-		containerName := strings.TrimPrefix(name, "/")
-		if strings.HasPrefix(containerName, "hs-") || strings.HasPrefix(containerName, "ts-") {
-			return true
-		}
-	}
-
-	return false
-}
-
-// startStatsForContainer begins stats collection for a specific container.
-func (sc *StatsCollector) startStatsForContainer(ctx context.Context, containerID, containerName string, verbose bool) {
-	containerName = strings.TrimPrefix(containerName, "/")
-
-	sc.mutex.Lock()
-	// Check if we're already monitoring this container
-	if _, exists := sc.containers[containerID]; exists {
-		sc.mutex.Unlock()
-		return
-	}
-
-	sc.containers[containerID] = &ContainerStats{
-		ContainerID:   containerID,
-		ContainerName: containerName,
-		Stats:         make([]StatsSample, 0),
-	}
-	sc.mutex.Unlock()
-
-	if verbose {
-		log.Printf("Starting stats collection for container %s (%s)", containerName, containerID[:12])
-	}
-
-	sc.wg.Add(1)
-	go sc.collectStatsForContainer(ctx, containerID, verbose)
-}
-
-// collectStatsForContainer collects stats for a specific container using Docker API streaming.
-func (sc *StatsCollector) collectStatsForContainer(ctx context.Context, containerID string, verbose bool) {
-	defer sc.wg.Done()
-
-	// Use Docker API streaming stats - much more efficient than CLI
-	statsResponse, err := sc.client.ContainerStats(ctx, containerID, true)
-	if err != nil {
-		if verbose {
-			log.Printf("Failed to get stats stream for container %s: %v", containerID[:12], err)
-		}
-		return
-	}
-	defer statsResponse.Body.Close()
-
-	decoder := json.NewDecoder(statsResponse.Body)
-	var prevStats *container.Stats
-
-	for {
-		select {
-		case <-sc.stopChan:
-			return
-		case <-ctx.Done():
-			return
-		default:
-			var stats container.Stats
-			if err := decoder.Decode(&stats); err != nil {
-				// EOF is expected when container stops or stream ends
-				if err.Error() != "EOF" && verbose {
-					log.Printf("Failed to decode stats for container %s: %v", containerID[:12], err)
-				}
-				return
-			}
-
-			// Calculate CPU percentage (only if we have previous stats)
-			var cpuPercent float64
-			if prevStats != nil {
-				cpuPercent = calculateCPUPercent(prevStats, &stats)
-			}
-
-			// Calculate memory usage in MB
-			memoryMB := float64(stats.MemoryStats.Usage) / (1024 * 1024)
-
-			// Store the sample (skip first sample since CPU calculation needs previous stats)
-			if prevStats != nil {
-				// Get container stats reference without holding the main mutex
-				var containerStats *ContainerStats
-				var exists bool
-
-				sc.mutex.RLock()
-				containerStats, exists = sc.containers[containerID]
-				sc.mutex.RUnlock()
-
-				if exists && containerStats != nil {
-					containerStats.mutex.Lock()
-					containerStats.Stats = append(containerStats.Stats, StatsSample{
-						Timestamp: time.Now(),
-						CPUUsage:  cpuPercent,
-						MemoryMB:  memoryMB,
-					})
-					containerStats.mutex.Unlock()
-				}
-			}
-
-			// Save current stats for next iteration
-			prevStats = &stats
-		}
-	}
-}
-
-// calculateCPUPercent calculates CPU usage percentage from Docker stats.
-func calculateCPUPercent(prevStats, stats *container.Stats) float64 {
-	// CPU calculation based on Docker's implementation
-	cpuDelta := float64(stats.CPUStats.CPUUsage.TotalUsage) - float64(prevStats.CPUStats.CPUUsage.TotalUsage)
-	systemDelta := float64(stats.CPUStats.SystemUsage) - float64(prevStats.CPUStats.SystemUsage)
-
-	if systemDelta > 0 && cpuDelta >= 0 {
-		// Calculate CPU percentage: (container CPU delta / system CPU delta) * number of CPUs * 100
-		numCPUs := float64(len(stats.CPUStats.CPUUsage.PercpuUsage))
-		if numCPUs == 0 {
-			// Fallback: if PercpuUsage is not available, assume 1 CPU
-			numCPUs = 1.0
-		}
-
-		return (cpuDelta / systemDelta) * numCPUs * 100.0
-	}
-
-	return 0.0
-}
-
-// ContainerStatsSummary represents summary statistics for a container.
-type ContainerStatsSummary struct {
-	ContainerName string
-	SampleCount   int
-	CPU           StatsSummary
-	Memory        StatsSummary
-}
-
-// MemoryViolation represents a container that exceeded the memory limit.
-type MemoryViolation struct {
-	ContainerName string
-	MaxMemoryMB   float64
-	LimitMB       float64
-}
-
-// StatsSummary represents min, max, and average for a metric.
-type StatsSummary struct {
-	Min     float64
-	Max     float64
-	Average float64
-}
-
-// GetSummary returns a summary of collected statistics.
-func (sc *StatsCollector) GetSummary() []ContainerStatsSummary {
-	// Take snapshot of container references without holding main lock long
-	sc.mutex.RLock()
-	containerRefs := make([]*ContainerStats, 0, len(sc.containers))
-	for _, containerStats := range sc.containers {
-		containerRefs = append(containerRefs, containerStats)
-	}
-	sc.mutex.RUnlock()
-
-	summaries := make([]ContainerStatsSummary, 0, len(containerRefs))
-
-	for _, containerStats := range containerRefs {
-		containerStats.mutex.RLock()
-		stats := make([]StatsSample, len(containerStats.Stats))
-		copy(stats, containerStats.Stats)
-		containerName := containerStats.ContainerName
-		containerStats.mutex.RUnlock()
-
-		if len(stats) == 0 {
-			continue
-		}
-
-		summary := ContainerStatsSummary{
-			ContainerName: containerName,
-			SampleCount:   len(stats),
-		}
-
-		// Calculate CPU stats
-		cpuValues := make([]float64, len(stats))
-		memoryValues := make([]float64, len(stats))
-
-		for i, sample := range stats {
-			cpuValues[i] = sample.CPUUsage
-			memoryValues[i] = sample.MemoryMB
-		}
-
-		summary.CPU = calculateStatsSummary(cpuValues)
-		summary.Memory = calculateStatsSummary(memoryValues)
-
-		summaries = append(summaries, summary)
-	}
-
-	// Sort by container name for consistent output
-	sort.Slice(summaries, func(i, j int) bool {
-		return summaries[i].ContainerName < summaries[j].ContainerName
-	})
-
-	return summaries
-}
-
-// calculateStatsSummary calculates min, max, and average for a slice of values.
-func calculateStatsSummary(values []float64) StatsSummary {
-	if len(values) == 0 {
-		return StatsSummary{}
-	}
-
-	min := values[0]
-	max := values[0]
-	sum := 0.0
-
-	for _, value := range values {
-		if value < min {
-			min = value
-		}
-		if value > max {
-			max = value
-		}
-		sum += value
-	}
-
-	return StatsSummary{
-		Min:     min,
-		Max:     max,
-		Average: sum / float64(len(values)),
-	}
-}
-
-// PrintSummary prints the statistics summary to the console.
-func (sc *StatsCollector) PrintSummary() {
-	summaries := sc.GetSummary()
-
-	if len(summaries) == 0 {
-		log.Printf("No container statistics collected")
-		return
-	}
-
-	log.Printf("Container Resource Usage Summary:")
-	log.Printf("================================")
-
-	for _, summary := range summaries {
-		log.Printf("Container: %s (%d samples)", summary.ContainerName, summary.SampleCount)
-		log.Printf("  CPU Usage:    Min: %6.2f%%  Max: %6.2f%%  Avg: %6.2f%%",
-			summary.CPU.Min, summary.CPU.Max, summary.CPU.Average)
-		log.Printf("  Memory Usage: Min: %6.1f MB Max: %6.1f MB Avg: %6.1f MB",
-			summary.Memory.Min, summary.Memory.Max, summary.Memory.Average)
-		log.Printf("")
-	}
-}
-
-// CheckMemoryLimits checks if any containers exceeded their memory limits.
-func (sc *StatsCollector) CheckMemoryLimits(hsLimitMB, tsLimitMB float64) []MemoryViolation {
-	if hsLimitMB <= 0 && tsLimitMB <= 0 {
-		return nil
-	}
-
-	summaries := sc.GetSummary()
-	var violations []MemoryViolation
-
-	for _, summary := range summaries {
-		var limitMB float64
-		if strings.HasPrefix(summary.ContainerName, "hs-") {
-			limitMB = hsLimitMB
-		} else if strings.HasPrefix(summary.ContainerName, "ts-") {
-			limitMB = tsLimitMB
-		} else {
-			continue // Skip containers that don't match our patterns
-		}
-
-		if limitMB > 0 && summary.Memory.Max > limitMB {
-			violations = append(violations, MemoryViolation{
-				ContainerName: summary.ContainerName,
-				MaxMemoryMB:   summary.Memory.Max,
-				LimitMB:       limitMB,
-			})
-		}
-	}
-
-	return violations
-}
-
-// PrintSummaryAndCheckLimits prints the statistics summary and returns memory violations if any.
-func (sc *StatsCollector) PrintSummaryAndCheckLimits(hsLimitMB, tsLimitMB float64) []MemoryViolation {
-	sc.PrintSummary()
-	return sc.CheckMemoryLimits(hsLimitMB, tsLimitMB)
-}
-
-// Close closes the stats collector and cleans up resources.
-func (sc *StatsCollector) Close() error {
-	sc.StopCollection()
-	return sc.client.Close()
-}

cmd/hi/tar_utils.go

@@ -68,7 +68,7 @@ func extractDirectoryFromTar(tarReader io.Reader, targetDir string) error {
 			continue // Skip potentially dangerous paths
 		}
 
-		targetPath := filepath.Join(targetDir, cleanName)
+		targetPath := filepath.Join(targetDir, filepath.Base(cleanName))
 
 		switch header.Typeflag {
 		case tar.TypeDir:
@@ -77,11 +77,6 @@ func extractDirectoryFromTar(tarReader io.Reader, targetDir string) error {
 				return fmt.Errorf("failed to create directory %s: %w", targetPath, err)
 			}
 		case tar.TypeReg:
-			// Ensure parent directories exist
-			if err := os.MkdirAll(filepath.Dir(targetPath), 0o755); err != nil {
-				return fmt.Errorf("failed to create parent directories for %s: %w", targetPath, err)
-			}
-
 			// Create file
 			outFile, err := os.Create(targetPath)
 			if err != nil {

cmd/mapresponses/main.go

@@ -1,61 +0,0 @@
-package main
-
-import (
-	"encoding/json"
-	"fmt"
-	"os"
-
-	"github.com/creachadair/command"
-	"github.com/creachadair/flax"
-	"github.com/juanfont/headscale/hscontrol/mapper"
-	"github.com/juanfont/headscale/integration/integrationutil"
-)
-
-type MapConfig struct {
-	Directory string `flag:"directory,Directory to read map responses from"`
-}
-
-var mapConfig MapConfig
-
-func main() {
-	root := command.C{
-		Name: "mapresponses",
-		Help: "MapResponses is a tool to map and compare map responses from a directory",
-		Commands: []*command.C{
-			{
-				Name:     "online",
-				Help:     "",
-				Usage:    "run [test-pattern] [flags]",
-				SetFlags: command.Flags(flax.MustBind, &mapConfig),
-				Run:      runOnline,
-			},
-			command.HelpCommand(nil),
-		},
-	}
-
-	env := root.NewEnv(nil).MergeFlags(true)
-	command.RunOrFail(env, os.Args[1:])
-}
-
-// runIntegrationTest executes the integration test workflow.
-func runOnline(env *command.Env) error {
-	if mapConfig.Directory == "" {
-		return fmt.Errorf("directory is required")
-	}
-
-	resps, err := mapper.ReadMapResponsesFromDirectory(mapConfig.Directory)
-	if err != nil {
-		return fmt.Errorf("reading map responses from directory: %w", err)
-	}
-
-	expected := integrationutil.BuildExpectedOnlineMap(resps)
-
-	out, err := json.MarshalIndent(expected, "", "  ")
-	if err != nil {
-		return fmt.Errorf("marshaling expected online map: %w", err)
-	}
-
-	os.Stderr.Write(out)
-	os.Stderr.Write([]byte("\n"))
-	return nil
-}

config-example.yaml

@@ -60,9 +60,7 @@ prefixes:
   v6: fd7a:115c:a1e0::/48
 
   # Strategy used for allocation of IPs to nodes, available options:
-  # - sequential (default): assigns the next free IP from the previous given
-  #   IP. A best-effort approach is used and Headscale might leave holes in the
-  #   IP range or fill up existing holes in the IP range.
+  # - sequential (default): assigns the next free IP from the previous given IP.
   # - random: assigns the next free IP from a pseudo-random IP generator (crypto/rand).
   allocation: sequential
 
@@ -107,7 +105,7 @@ derp:
 
     # For better connection stability (especially when using an Exit-Node and DNS is not working),
     # it is possible to optionally add the public IPv4 and IPv6 address to the Derp-Map using:
-    ipv4: 198.51.100.1
+    ipv4: 1.2.3.4
     ipv6: 2001:db8::1
 
   # List of externally available DERP maps encoded in JSON
@@ -130,7 +128,7 @@ derp:
   auto_update_enabled: true
 
   # How often should we check for DERP updates?
-  update_frequency: 3h
+  update_frequency: 24h
 
 # Disables the automatic check for headscale updates on startup
 disable_check_updates: false
@@ -227,11 +225,9 @@ tls_cert_path: ""
 tls_key_path: ""
 
 log:
-  # Valid log levels: panic, fatal, error, warn, info, debug, trace
-  level: info
-
   # Output formatting for logs: text or json
   format: text
+  level: info
 
 ## Policy
 # headscale supports Tailscale's ACL policies.
@@ -277,9 +273,9 @@ dns:
   # `hostname.base_domain` (e.g., _myhost.example.com_).
   base_domain: example.com
 
-  # Whether to use the local DNS settings of a node or override the local DNS
-  # settings (default) and force the use of Headscale's DNS configuration.
-  override_local_dns: true
+  # Whether to use the local DNS settings of a node (default) or override the
+  # local DNS settings and force the use of Headscale's DNS configuration.
+  override_local_dns: false
 
   # List of DNS servers to expose to clients.
   nameservers:
@@ -295,7 +291,8 @@ dns:
 
     # Split DNS (see https://tailscale.com/kb/1054/dns/),
     # a map of domains and which DNS server to use for each.
-    split: {}
+    split:
+      {}
       # foo.bar.com:
       #   - 1.1.1.1
       # darp.headscale.net:
@@ -393,13 +390,11 @@ unix_socket_permission: "0770"
 #     method: S256
 
 # Logtail configuration
-# Logtail is Tailscales logging and auditing infrastructure, it allows the
-# control panel to instruct tailscale nodes to log their activity to a remote
-# server. To disable logging on the client side, please refer to:
-# https://tailscale.com/kb/1011/log-mesh-traffic#opting-out-of-client-logging
+# Logtail is Tailscales logging and auditing infrastructure, it allows the control panel
+# to instruct tailscale nodes to log their activity to a remote server.
 logtail:
-  # Enable logtail for tailscale nodes of this Headscale instance.
-  # As there is currently no support for overriding the log server in Headscale, this is
+  # Enable logtail for this headscales clients.
+  # As there is currently no support for overriding the log server in headscale, this is
   # disabled by default. Enabling this will make your clients send logs to Tailscale Inc.
   enabled: false
 

derp-example.yaml

@@ -1,6 +1,5 @@
 # If you plan to somehow use headscale, please deploy your own DERP infra: https://tailscale.com/kb/1118/custom-derp-servers/
 regions:
-  1: null   # Disable DERP region with ID 1
   900:
     regionid: 900
     regioncode: custom
@@ -8,9 +7,9 @@ regions:
     nodes:
       - name: 900a
         regionid: 900
-        hostname: myderp.example.com
-        ipv4: 198.51.100.1
-        ipv6: 2001:db8::1
+        hostname: myderp.mydomain.no
+        ipv4: 123.123.123.123
+        ipv6: "2604:a880:400:d1::828:b001"
         stunport: 0
         stunonly: false
         derpport: 0

docs/about/faq.md

@@ -44,15 +44,6 @@ For convenience, we also [build container images with headscale](../setup/instal
 we don't officially support deploying headscale using Docker**. On our [Discord server](https://discord.gg/c84AZQhmpx)
 we have a "docker-issues" channel where you can ask for Docker-specific help to the community.
 
-## What is the recommended update path? Can I skip multiple versions while updating?
-
-Please follow the steps outlined in the [upgrade guide](../setup/upgrade.md) to update your existing Headscale
-installation. Its best to update from one stable version to the next (e.g. 0.24.0 → 0.25.1 → 0.26.1) in case
-you are multiple releases behind. You should always pick the latest available patch release.
-
-Be sure to check the [changelog](https://github.com/juanfont/headscale/blob/main/CHANGELOG.md) for version specific
-upgrade instructions and breaking changes.
-
 ## Scaling / How many clients does Headscale support?
 
 It depends. As often stated, Headscale is not enterprise software and our focus
@@ -60,11 +51,11 @@ is homelabbers and self-hosters. Of course, we do not prevent people from using
 it in a commercial/professional setting and often get questions about scaling.
 
 Please note that when Headscale is developed, performance is not part of the
-consideration as the main audience is considered to be users with a modest
+consideration as the main audience is considered to be users with a moddest
 amount of devices. We focus on correctness and feature parity with Tailscale
 SaaS over time.
 
-To understand if you might be able to use Headscale for your use case, I will
+To understand if you might be able to use Headscale for your usecase, I will
 describe two scenarios in an effort to explain what is the central bottleneck
 of Headscale:
 
@@ -85,7 +76,7 @@ new "world map" is created for every node in the network.
 This means that under certain conditions, Headscale can likely handle 100s
 of devices (maybe more), if there is _little to no change_ happening in the
 network. For example, in Scenario 1, the process of computing the world map is
-extremely demanding due to the size of the network, but when the map has been
+extremly demanding due to the size of the network, but when the map has been
 created and the nodes are not changing, the Headscale instance will likely
 return to a very low resource usage until the next time there is an event
 requiring the new map.
@@ -103,14 +94,14 @@ learn about the current state of the world.
 We expect that the performance will improve over time as we improve the code
 base, but it is not a focus. In general, we will never make the tradeoff to make
 things faster on the cost of less maintainable or readable code. We are a small
-team and have to optimise for maintainability.
+team and have to optimise for maintainabillity.
 
 ## Which database should I use?
 
 We recommend the use of SQLite as database for headscale:
 
 - SQLite is simple to setup and easy to use
-- It scales well for all of headscale's use cases
+- It scales well for all of headscale's usecases
 - Development and testing happens primarily on SQLite
 - PostgreSQL is still supported, but is considered to be in "maintenance mode"
 
@@ -143,35 +134,3 @@ in their output of `tailscale status`. Traffic is still filtered according to th
 ping` which is always allowed in either direction.
 
 See also <https://tailscale.com/kb/1087/device-visibility>.
-
-## My policy is stored in the database and Headscale refuses to start due to an invalid policy. How can I recover?
-
-Headscale checks if the policy is valid during startup and refuses to start if it detects an error. The error message
-indicates which part of the policy is invalid. Follow these steps to fix your policy:
-
-- Dump the policy to a file: `headscale policy get --bypass-grpc-and-access-database-directly > policy.json`
-- Edit and fixup `policy.json`. Use the command `headscale policy check --file policy.json` to validate the policy.
-- Load the modified policy: `headscale policy set --bypass-grpc-and-access-database-directly --file policy.json`
-- Start Headscale as usual.
-
-!!! warning "Full server configuration required"
-
-    The above commands to get/set the policy require a complete server configuration file including database settings. A
-    minimal config to [control Headscale via remote CLI](../ref/remote-cli.md) is not sufficient. You may use `headscale
-    -c /path/to/config.yaml` to specify the path to an alternative configuration file.
-
-## How can I avoid to send logs to Tailscale Inc?
-
-A Tailscale client [collects logs about its operation and connection attempts with other
-clients](https://tailscale.com/kb/1011/log-mesh-traffic#client-logs) and sends them to a central log service operated by
-Tailscale Inc.
-
-Headscale, by default, instructs clients to disable log submission to the central log service. This configuration is
-applied by a client once it successfully connected with Headscale. See the configuration option `logtail.enabled` in the
-[configuration file](../ref/configuration.md) for details.
-
-Alternatively, logging can also be disabled on the client side. This is independent of Headscale and opting out of
-client logging disables log submission early during client startup. The configuration is operating system specific and
-is usually achieved by setting the environment variable `TS_NO_LOGS_NO_SUPPORT=true` or by passing the flag
-`--no-logs-no-support` to `tailscaled`. See
-<https://tailscale.com/kb/1011/log-mesh-traffic#opting-out-of-client-logging> for details.

docs/about/features.md

@@ -19,11 +19,11 @@ provides on overview of Headscale's feature and compatibility with the Tailscale
     - [x] [Exit nodes](../ref/routes.md#exit-node)
 - [x] Dual stack (IPv4 and IPv6)
 - [x] Ephemeral nodes
-- [x] Embedded [DERP server](../ref/derp.md)
+- [x] Embedded [DERP server](https://tailscale.com/kb/1232/derp-servers)
 - [x] Access control lists ([GitHub label "policy"](https://github.com/juanfont/headscale/labels/policy%20%F0%9F%93%9D))
     - [x] ACL management via API
     - [x] Some [Autogroups](https://tailscale.com/kb/1396/targets#autogroups), currently: `autogroup:internet`,
-      `autogroup:nonroot`, `autogroup:member`, `autogroup:tagged`, `autogroup:self`
+      `autogroup:nonroot`, `autogroup:member`, `autogroup:tagged`
     - [x] [Auto approvers](https://tailscale.com/kb/1337/acl-syntax#auto-approvers) for [subnet
       routers](../ref/routes.md#automatically-approve-routes-of-a-subnet-router) and [exit
       nodes](../ref/routes.md#automatically-approve-an-exit-node-with-auto-approvers)

docs/ref/acls.md

@@ -9,38 +9,9 @@ When using ACL's the User borders are no longer applied. All machines
 whichever the User have the ability to communicate with other hosts as
 long as the ACL's permits this exchange.
 
-## ACL Setup
+## ACLs use case example
 
-To enable and configure ACLs in Headscale, you need to specify the path to your ACL policy file in the `policy.path` key in `config.yaml`.
-
-Your ACL policy file must be formatted using [huJSON](https://github.com/tailscale/hujson).
-
-Info on how these policies are written can be found
-[here](https://tailscale.com/kb/1018/acls/).
-
-Please reload or restart Headscale after updating the ACL file. Headscale may be reloaded either via its systemd service
-(`sudo systemctl reload headscale`) or by sending a SIGHUP signal (`sudo kill -HUP $(pidof headscale)`) to the main
-process. Headscale logs the result of ACL policy processing after each reload.
-
-## Simple Examples
-
-- [**Allow All**](https://tailscale.com/kb/1192/acl-samples#allow-all-default-acl): If you define an ACL file but completely omit the `"acls"` field from its content, Headscale will default to an "allow all" policy. This means all devices connected to your tailnet will be able to communicate freely with each other.
-
-    ```json
-    {}
-    ```
-
-- [**Deny All**](https://tailscale.com/kb/1192/acl-samples#deny-all): To prevent all communication within your tailnet, you can include an empty array for the `"acls"` field in your policy file.
-
-    ```json
-    {
-      "acls": []
-    }
-    ```
-
-## Complex Example
-
-Let's build a more complex example use case for a small business (It may be the place where
+Let's build an example use case for a small business (It may be the place where
 ACL's are the most useful).
 
 We have a small company with a boss, an admin, two developers and an intern.
@@ -67,6 +38,10 @@ servers.
 
 ![ACL implementation example](../images/headscale-acl-network.png)
 
+## ACL setup
+
+ACLs have to be written in [huJSON](https://github.com/tailscale/hujson).
+
 When [registering the servers](../usage/getting-started.md#register-a-node) we
 will need to add the flag `--advertise-tags=tag:<tag1>,tag:<tag2>`, and the user
 that is registering the server should be allowed to do it. Since anyone can add
@@ -74,6 +49,14 @@ tags to a server they can register, the check of the tags is done on headscale
 server and only valid tags are applied. A tag is valid if the user that is
 registering it is allowed to do it.
 
+To use ACLs in headscale, you must edit your `config.yaml` file. In there you will find a `policy.path` parameter. This
+will need to point to your ACL file. More info on how these policies are written can be found
+[here](https://tailscale.com/kb/1018/acls/).
+
+Please reload or restart Headscale after updating the ACL file. Headscale may be reloaded either via its systemd service
+(`sudo systemctl reload headscale`) or by sending a SIGHUP signal (`sudo kill -HUP $(pidof headscale)`) to the main
+process. Headscale logs the result of ACL policy processing after each reload.
+
 Here are the ACL's to implement the same permissions as above:
 
 ```json title="acl.json"
@@ -194,94 +177,13 @@ Here are the ACL's to implement the same permissions as above:
       "dst": ["tag:dev-app-servers:80,443"]
     },
 
-    // Allow users to access their own devices using autogroup:self (see below for more details about performance impact)
-    {
-      "action": "accept",
-      "src": ["autogroup:member"],
-      "dst": ["autogroup:self:*"]
-    }
+    // We still have to allow internal users communications since nothing guarantees that each user have
+    // their own users.
+    { "action": "accept", "src": ["boss@"], "dst": ["boss@:*"] },
+    { "action": "accept", "src": ["dev1@"], "dst": ["dev1@:*"] },
+    { "action": "accept", "src": ["dev2@"], "dst": ["dev2@:*"] },
+    { "action": "accept", "src": ["admin1@"], "dst": ["admin1@:*"] },
+    { "action": "accept", "src": ["intern1@"], "dst": ["intern1@:*"] }
   ]
 }
 ```
-
-## Autogroups
-
-Headscale supports several autogroups that automatically include users, destinations, or devices with specific properties. Autogroups provide a convenient way to write ACL rules without manually listing individual users or devices.
-
-### `autogroup:internet`
-
-Allows access to the internet through [exit nodes](routes.md#exit-node). Can only be used in ACL destinations.
-
-```json
-{
-  "action": "accept",
-  "src": ["group:users"],
-  "dst": ["autogroup:internet:*"]
-}
-```
-
-### `autogroup:member`
-
-Includes all users who are direct members of the tailnet. Does not include users from shared devices.
-
-```json
-{
-  "action": "accept",
-  "src": ["autogroup:member"],
-  "dst": ["tag:prod-app-servers:80,443"]
-}
-```
-
-### `autogroup:tagged`
-
-Includes all devices that have at least one tag.
-
-```json
-{
-  "action": "accept",
-  "src": ["autogroup:tagged"],
-  "dst": ["tag:monitoring:9090"]
-}
-```
-
-### `autogroup:self`
-**(EXPERIMENTAL)**
-
-!!! warning "The current implementation of `autogroup:self` is inefficient"
-
-Includes devices where the same user is authenticated on both the source and destination. Does not include tagged devices. Can only be used in ACL destinations.
-
-```json
-{
-  "action": "accept",
-  "src": ["autogroup:member"],
-  "dst": ["autogroup:self:*"]
-}
-```
-*Using `autogroup:self` may cause performance degradation on the Headscale coordinator server in large deployments, as filter rules must be compiled per-node rather than globally and the current implementation is not very efficient.*
-
-If you experience performance issues, consider using more specific ACL rules or limiting the use of `autogroup:self`.
-```json
-{
-  // The following rules allow internal users to communicate with their
-  // own nodes in case autogroup:self is causing performance issues.
-  { "action": "accept", "src": ["boss@"], "dst": ["boss@:*"] },
-  { "action": "accept", "src": ["dev1@"], "dst": ["dev1@:*"] },
-  { "action": "accept", "src": ["dev2@"], "dst": ["dev2@:*"] },
-  { "action": "accept", "src": ["admin1@"], "dst": ["admin1@:*"] },
-  { "action": "accept", "src": ["intern1@"], "dst": ["intern1@:*"] }
-}
-```
-
-### `autogroup:nonroot`
-
-Used in Tailscale SSH rules to allow access to any user except root. Can only be used in the `users` field of SSH rules.
-
-```json
-{
-  "action": "accept",
-  "src": ["autogroup:member"],
-  "dst": ["autogroup:self"],
-  "users": ["autogroup:nonroot"]
-}
-```

docs/ref/debug.md

@@ -1,115 +0,0 @@
-# Debugging and troubleshooting
-
-Headscale and Tailscale provide debug and introspection capabilities that can be helpful when things don't work as
-expected. This page explains some debugging techniques to help pinpoint problems.
-
-Please also have a look at [Tailscale's Troubleshooting guide](https://tailscale.com/kb/1023/troubleshooting). It offers
-a many tips and suggestions to troubleshoot common issues.
-
-## Tailscale
-
-The Tailscale client itself offers many commands to introspect its state as well as the state of the network:
-
-- [Check local network conditions](https://tailscale.com/kb/1080/cli#netcheck): `tailscale netcheck`
-- [Get the client status](https://tailscale.com/kb/1080/cli#status): `tailscale status --json`
-- [Get DNS status](https://tailscale.com/kb/1080/cli#dns): `tailscale dns status --all`
-- Client logs: `tailscale debug daemon-logs`
-- Client netmap: `tailscale debug netmap`
-- Test DERP connection: `tailscale debug derp headscale`
-- And many more, see: `tailscale debug --help`
-
-Many of the commands are helpful when trying to understand differences between Headscale and Tailscale SaaS.
-
-## Headscale
-
-### Application logging
-
-The log levels `debug` and `trace` can be useful to get more information from Headscale.
-
-```yaml hl_lines="3"
-log:
-  # Valid log levels: panic, fatal, error, warn, info, debug, trace
-  level: debug
-```
-
-### Database logging
-
-The database debug mode logs all database queries. Enable it to see how Headscale interacts with its database. This also
-requires the application log level to be set to either `debug` or `trace`.
-
-```yaml hl_lines="3 7"
-database:
-  # Enable debug mode. This setting requires the log.level to be set to "debug" or "trace".
-  debug: false
-
-log:
-  # Valid log levels: panic, fatal, error, warn, info, debug, trace
-  level: debug
-```
-
-### Metrics and debug endpoint
-
-Headscale provides a metrics and debug endpoint. It allows to introspect different aspects such as:
-
-- Information about the Go runtime, memory usage and statistics
-- Connected nodes and pending registrations
-- Active ACLs, filters and SSH policy
-- Current DERPMap
-- Prometheus metrics
-
-!!! warning "Keep the metrics and debug endpoint private"
-
-    The listen address and port can be configured with the `metrics_listen_addr` variable in the [configuration
-    file](./configuration.md). By default it listens on localhost, port 9090.
-
-    Keep the metrics and debug endpoint private to your internal network and don't expose it to the Internet.
-
-Query metrics via <http://localhost:9090/metrics> and get an overview of available debug information via
-<http://localhost:9090/debug/>. Metrics may be queried from outside localhost but the debug interface is subject to
-additional protection despite listening on all interfaces.
-
-=== "Direct access"
-
-    Access the debug interface directly on the server where Headscale is installed.
-
-    ```console
-    curl http://localhost:9090/debug/
-    ```
-
-=== "SSH port forwarding"
-
-    Use SSH port forwarding to forward Headscale's metrics and debug port to your device.
-
-    ```console
-    ssh <HEADSCALE_SERVER> -L 9090:localhost:9090
-    ```
-
-    Access the debug interface on your device by opening <http://localhost:9090/debug/> in your web browser.
-
-=== "Via debug key"
-
-    The access control of the debug interface supports the use of a debug key. Traffic is accepted if the path to a
-    debug key is set via the environment variable `TS_DEBUG_KEY_PATH` and the debug key sent as value for `debugkey`
-    parameter with each request.
-
-    ```console
-    openssl rand -hex 32 | tee debugkey.txt
-    export TS_DEBUG_KEY_PATH=debugkey.txt
-    headscale serve
-    ```
-
-    Access the debug interface on your device by opening `http://<IP_OF_HEADSCALE>:9090/debug/?debugkey=<DEBUG_KEY>` in
-    your web browser. The `debugkey` parameter must be sent with every request.
-
-=== "Via debug IP address"
-
-    The debug endpoint expects traffic from localhost. A different debug IP address may be configured by setting the
-    `TS_ALLOW_DEBUG_IP` environment variable before starting Headscale. The debug IP address is ignored when the HTTP
-    header `X-Forwarded-For` is present.
-
-    ```console
-    export TS_ALLOW_DEBUG_IP=192.168.0.10       # IP address of your device
-    headscale serve
-    ```
-
-    Access the debug interface on your device by opening `http://<IP_OF_HEADSCALE>:9090/debug/` in your web browser.

docs/ref/derp.md

@@ -1,175 +0,0 @@
-# DERP
-
-A [DERP (Designated Encrypted Relay for Packets) server](https://tailscale.com/kb/1232/derp-servers) is mainly used to
-relay traffic between two nodes in case a direct connection can't be established. Headscale provides an embedded DERP
-server to ensure seamless connectivity between nodes.
-
-## Configuration
-
-DERP related settings are configured within the `derp` section of the [configuration file](./configuration.md). The
-following sections only use a few of the available settings, check the [example configuration](./configuration.md) for
-all available configuration options.
-
-### Enable embedded DERP
-
-Headscale ships with an embedded DERP server which allows to run your own self-hosted DERP server easily. The embedded
-DERP server is disabled by default and needs to be enabled. In addition, you should configure the public IPv4 and public
-IPv6 address of your Headscale server for improved connection stability:
-
-```yaml title="config.yaml" hl_lines="3-5"
-derp:
-  server:
-    enabled: true
-    ipv4: 198.51.100.1
-    ipv6: 2001:db8::1
-```
-
-Keep in mind that [additional ports are needed to run a DERP server](../setup/requirements.md#ports-in-use). Besides
-relaying traffic, it also uses STUN (udp/3478) to help clients discover their public IP addresses and perform NAT
-traversal. [Check DERP server connectivity](#check-derp-server-connectivity) to see if everything works.
-
-### Remove Tailscale's DERP servers
-
-Once enabled, Headscale's embedded DERP is added to the list of free-to-use [DERP
-servers](https://tailscale.com/kb/1232/derp-servers) offered by Tailscale Inc. To only use Headscale's embedded DERP
-server, disable the loading of the default DERP map:
-
-```yaml title="config.yaml" hl_lines="6"
-derp:
-  server:
-    enabled: true
-    ipv4: 198.51.100.1
-    ipv6: 2001:db8::1
-  urls: []
-```
-
-!!! warning "Single point of failure"
-
-    Removing Tailscale's DERP servers means that there is now just a single DERP server available for clients. This is a
-    single point of failure and could hamper connectivity.
-
-    [Check DERP server connectivity](#check-derp-server-connectivity) with your embedded DERP server before removing
-    Tailscale's DERP servers.
-
-### Customize DERP map
-
-The DERP map offered to clients can be customized with a [dedicated YAML-configuration
-file](https://github.com/juanfont/headscale/blob/main/derp-example.yaml). This allows to modify previously loaded DERP
-maps fetched via URL or to offer your own, custom DERP servers to nodes.
-
-=== "Remove specific DERP regions"
-
-    The free-to-use [DERP servers](https://tailscale.com/kb/1232/derp-servers) are organized into regions via a region
-    ID. You can explicitly disable a specific region by setting its region ID to `null`. The following sample
-    `derp.yaml` disables the New York DERP region (which has the region ID 1):
-
-     ```yaml title="derp.yaml"
-     regions:
-       1: null
-     ```
-
-    Use the following configuration to serve the default DERP map (excluding New York) to nodes:
-
-    ```yaml title="config.yaml" hl_lines="6 7"
-    derp:
-      server:
-        enabled: false
-      urls:
-        - https://controlplane.tailscale.com/derpmap/default
-      paths:
-        - /etc/headscale/derp.yaml
-    ```
-
-=== "Provide custom DERP servers"
-
-    The following sample `derp.yaml` references two custom regions (`custom-east` with ID 900 and `custom-west` with ID 901)
-    with one custom DERP server in each region. Each DERP server offers DERP relay via HTTPS on tcp/443, support for captive
-    portal checks via HTTP on tcp/80 and STUN on udp/3478. See the definitions of
-    [DERPMap](https://pkg.go.dev/tailscale.com/tailcfg#DERPMap),
-    [DERPRegion](https://pkg.go.dev/tailscale.com/tailcfg#DERPRegion) and
-    [DERPNode](https://pkg.go.dev/tailscale.com/tailcfg#DERPNode) for all available options.
-
-    ```yaml title="derp.yaml"
-    regions:
-      900:
-        regionid: 900
-        regioncode: custom-east
-        regionname: My region (east)
-        nodes:
-          - name: 900a
-            regionid: 900
-            hostname: derp900a.example.com
-            ipv4: 198.51.100.1
-            ipv6: 2001:db8::1
-            canport80: true
-      901:
-        regionid: 901
-        regioncode: custom-west
-        regionname: My Region (west)
-        nodes:
-          - name: 901a
-            regionid: 901
-            hostname: derp901a.example.com
-            ipv4: 198.51.100.2
-            ipv6: 2001:db8::2
-            canport80: true
-    ```
-
-    Use the following configuration to only serve the two DERP servers from the above `derp.yaml`:
-
-    ```yaml title="config.yaml" hl_lines="5 6"
-    derp:
-      server:
-        enabled: false
-      urls: []
-      paths:
-        - /etc/headscale/derp.yaml
-    ```
-
-Independent of the custom DERP map, you may choose to [enable the embedded DERP server and have it automatically added
-to the custom DERP map](#enable-embedded-derp).
-
-### Verify clients
-
-Access to DERP serves can be restricted to nodes that are members of your Tailnet. Relay access is denied for unknown
-clients.
-
-=== "Embedded DERP"
-
-    Client verification is enabled by default.
-
-    ```yaml title="config.yaml" hl_lines="3"
-    derp:
-      server:
-        verify_clients: true
-    ```
-
-=== "3rd-party DERP"
-
-    Tailscale's `derper` provides two parameters to configure client verification:
-
-    - Use the `-verify-client-url` parameter of the `derper` and point it towards the `/verify` endpoint of your
-      Headscale server (e.g `https://headscale.example.com/verify`). The DERP server will query your Headscale instance
-      as soon as a client connects with it to ask whether access should be allowed or denied. Access is allowed if
-      Headscale knows about the connecting client and denied otherwise.
-    - The parameter `-verify-client-url-fail-open` controls what should happen when the DERP server can't reach the
-      Headscale instance. By default, it will allow access if Headscale is unreachable.
-
-## Check DERP server connectivity
-
-Any Tailscale client may be used to introspect the DERP map and to check for connectivity issues with DERP servers.
-
-- Display DERP map: `tailscale debug derp-map`
-- Check connectivity with the embedded DERP[^1]:`tailscale debug derp headscale`
-
-Additional DERP related metrics and information is available via the [metrics and debug
-endpoint](./debug.md#metrics-and-debug-endpoint).
-
-[^1]:
-    This assumes that the default region code of the [configuration file](./configuration.md) is used.
-
-## Limitations
-
-- The embedded DERP server can't be used for Tailscale's captive portal checks as it doesn't support the `/generate_204`
-  endpoint via HTTP on port tcp/80.
-- There are no speed or throughput optimisations, the main purpose is to assist in node connectivity.

docs/ref/dns.md

@@ -1,7 +1,7 @@
 # DNS
 
 Headscale supports [most DNS features](../about/features.md) from Tailscale. DNS related settings can be configured
-within the `dns` section of the [configuration file](./configuration.md).
+within `dns` section of the [configuration file](./configuration.md).
 
 ## Setting extra DNS records
 
@@ -23,7 +23,7 @@ hostname and port combination "http://hostname-in-magic-dns.myvpn.example.com:30
 
 !!! warning "Limitations"
 
-    Currently, [only A and AAAA records are processed by Tailscale](https://github.com/tailscale/tailscale/blob/v1.86.5/ipn/ipnlocal/node_backend.go#L662).
+    Currently, [only A and AAAA records are processed by Tailscale](https://github.com/tailscale/tailscale/blob/v1.78.3/ipn/ipnlocal/local.go#L4461-L4479).
 
 1.  Configure extra DNS records using one of the available configuration options:
 

docs/ref/integration/reverse-proxy.md

@@ -13,7 +13,7 @@ Running headscale behind a reverse proxy is useful when running multiple applica
 
 The reverse proxy MUST be configured to support WebSockets to communicate with Tailscale clients.
 
-WebSockets support is also required when using the Headscale [embedded DERP server](../derp.md). In this case, you will also need to expose the UDP port used for STUN (by default, udp/3478). Please check our [config-example.yaml](https://github.com/juanfont/headscale/blob/main/config-example.yaml).
+WebSockets support is also required when using the headscale embedded DERP server. In this case, you will also need to expose the UDP port used for STUN (by default, udp/3478). Please check our [config-example.yaml](https://github.com/juanfont/headscale/blob/main/config-example.yaml).
 
 ### Cloudflare
 

docs/ref/integration/tools.md

@@ -13,4 +13,3 @@ This page collects third-party tools, client libraries, and scripts related to h
 | headscalebacktosqlite | [Github](https://github.com/bigbozza/headscalebacktosqlite)     | Migrate headscale from PostgreSQL back to SQLite                     |
 | headscale-pf          | [Github](https://github.com/YouSysAdmin/headscale-pf)           | Populates user groups based on user groups in Jumpcloud or Authentik |
 | headscale-client-go   | [Github](https://github.com/hibare/headscale-client-go)         | A Go client implementation for the Headscale HTTP API.               |
-| headscale-zabbix      | [Github](https://github.com/dblanque/headscale-zabbix)          | A Zabbix Monitoring Template for the Headscale Service.              |

docs/ref/oidc.md

@@ -2,7 +2,7 @@
 
 Headscale supports authentication via external identity providers using OpenID Connect (OIDC). It features:
 
-- Auto configuration via OpenID Connect Discovery Protocol
+- Autoconfiguration via OpenID Connect Discovery Protocol
 - [Proof Key for Code Exchange (PKCE) code verification](#enable-pkce-recommended)
 - [Authorization based on a user's domain, email address or group membership](#authorize-users-with-filters)
 - Synchronization of [standard OIDC claims](#supported-oidc-claims)
@@ -142,7 +142,7 @@ Access Token.
 === "Use expiration from Access Token"
 
     Please keep in mind that the Access Token is typically a short-lived token that expires within a few minutes. You
-    will have to configure token expiration in your identity provider to avoid frequent re-authentication.
+    will have to configure token expiration in your identity provider to avoid frequent reauthentication.
 
 
     ```yaml hl_lines="5"
@@ -184,7 +184,7 @@ You may refer to users in the Headscale policy via:
 ## Supported OIDC claims
 
 Headscale uses [the standard OIDC claims](https://openid.net/specs/openid-connect-core-1_0.html#StandardClaims) to
-populate and update its local user profile on each login. OIDC claims are read from the ID Token and from the UserInfo
+populate and update its local user profile on each login. OIDC claims are read from the ID Token or from the UserInfo
 endpoint.
 
 | Headscale profile   | OIDC claim           | Notes / examples                                                                                  |
@@ -230,6 +230,19 @@ are known to work:
 
 Authelia is fully supported by Headscale.
 
+#### Additional configuration to authorize users based on filters
+
+Authelia (4.39.0 or newer) no longer provides standard OIDC claims such as `email` or `groups` via the ID Token. The
+OIDC `email` and `groups` claims are used to [authorize users with filters](#authorize-users-with-filters). This extra
+configuration step is **only** needed if you need to authorize access based on one of the following user properties:
+
+- domain
+- email address
+- group membership
+
+Please follow the instructions from Authelia's documentation on how to [Restore Functionality Prior to Claims
+Parameter](https://www.authelia.com/integration/openid-connect/openid-connect-1.0-claims/#restore-functionality-prior-to-claims-parameter).
+
 ### Authentik
 
 - Authentik is fully supported by Headscale.
@@ -284,15 +297,13 @@ you need to [authorize access based on group membership](#authorize-users-with-f
 
 - Create a new client scope `groups` for OpenID Connect:
     - Configure a `Group Membership` mapper with name `groups` and the token claim name `groups`.
-    - Add the mapper to at least the UserInfo endpoint.
+    - Enable the mapper for the ID Token, Access Token and UserInfo endpoint.
 - Configure the new client scope for your Headscale client:
     - Edit the Headscale client.
     - Search for the client scope `group`.
     - Add it with assigned type `Default`.
-- [Configure the allowed groups in Headscale](#authorize-users-with-filters). How groups need to be specified depends on
-  Keycloak's `Full group path` option:
-    - `Full group path` is enabled: groups contain their full path, e.g. `/top/group1`
-    - `Full group path` is disabled: only the name of the group is used, e.g. `group1`
+- [Configure the allowed groups in Headscale](#authorize-users-with-filters). Keep in mind that groups in Keycloak start
+  with a leading `/`.
 
 ### Microsoft Entra ID
 
@@ -304,6 +315,3 @@ Entra ID is: `https://login.microsoftonline.com/<tenant-UUID>/v2.0`. The followi
 
 - `domain_hint: example.com` to use your own domain
 - `prompt: select_account` to force an account picker during login
-
-Groups for the [allowed groups filter](#authorize-users-with-filters) need to be specified with their group ID instead
-of the group name.

docs/ref/remote-cli.md

@@ -67,6 +67,12 @@ headscale apikeys expire --prefix "<PREFIX>"
         export HEADSCALE_CLI_API_KEY="<API_KEY_FROM_PREVIOUS_STEP>"
         ```
 
+        !!! bug
+
+            Headscale currently requires at least an empty configuration file when environment variables are used to
+            specify connection details. See [issue 2193](https://github.com/juanfont/headscale/issues/2193) for more
+            information.
+
     This instructs the `headscale` binary to connect to a remote instance at `<HEADSCALE_ADDRESS>:<PORT>`, instead of
     connecting to the local instance.
 

docs/ref/routes.md

@@ -49,7 +49,7 @@ ID | Hostname | Approved | Available                  | Serving (Primary)
 Approve all desired routes of a subnet router by specifying them as comma separated list:
 
 ```console
-$ headscale nodes approve-routes --identifier 1 --routes 10.0.0.0/8,192.168.0.0/24
+$ headscale nodes approve-routes --node 1 --routes 10.0.0.0/8,192.168.0.0/24
 Node updated
 ```
 
@@ -175,7 +175,7 @@ ID | Hostname | Approved | Available       | Serving (Primary)
 For exit nodes, it is sufficient to approve either the IPv4 or IPv6 route. The other will be approved automatically.
 
 ```console
-$ headscale nodes approve-routes --identifier 1 --routes 0.0.0.0/0
+$ headscale nodes approve-routes --node 1 --routes 0.0.0.0/0
 Node updated
 ```
 
@@ -216,39 +216,6 @@ nodes.
 }
 ```
 
-### Restrict access to exit nodes per user or group
-
-A user can use _any_ of the available exit nodes with `autogroup:internet`. Alternatively, the ACL snippet below assigns
-each user a specific exit node while hiding all other exit nodes. The user `alice` can only use exit node `exit1` while
-user `bob` can only use exit node `exit2`.
-
-```json title="Assign each user a dedicated exit node"
-{
-  "hosts": {
-    "exit1": "100.64.0.1/32",
-    "exit2": "100.64.0.2/32"
-  },
-  "acls": [
-    {
-      "action": "accept",
-      "src": ["alice@"],
-      "dst": ["exit1:*"]
-    },
-    {
-      "action": "accept",
-      "src": ["bob@"],
-      "dst": ["exit2:*"]
-    }
-  ]
-}
-```
-
-!!! warning
-
-    - The above implementation is Headscale specific and will likely be removed once [support for
-      `via`](https://github.com/juanfont/headscale/issues/2409) is available.
-    - Beware that a user can also connect to any port of the exit node itself.
-
 ### Automatically approve an exit node with auto approvers
 
 The initial setup of an exit node usually requires manual approval on the control server before it can be used by a node

docs/setup/install/container.md

@@ -39,7 +39,6 @@ Registry](https://github.com/juanfont/headscale/pkgs/container/headscale). The c
       --volume "$(pwd)/run:/var/run/headscale" \
       --publish 127.0.0.1:8080:8080 \
       --publish 127.0.0.1:9090:9090 \
-      --health-cmd "CMD headscale health" \
       docker.io/headscale/headscale:<VERSION> \
       serve
     ```
@@ -67,8 +66,6 @@ Registry](https://github.com/juanfont/headscale/pkgs/container/headscale). The c
           - <HEADSCALE_PATH>/lib:/var/lib/headscale
           - <HEADSCALE_PATH>/run:/var/run/headscale
         command: serve
-        healthcheck:
-            test: ["CMD", "headscale", "health"]
     ```
 
 1.  Verify headscale is running:
@@ -115,11 +112,11 @@ docker exec -it headscale \
 
 ### Register a machine using a pre authenticated key
 
-Generate a key using the command line for the user with ID 1:
+Generate a key using the command line:
 
 ```shell
 docker exec -it headscale \
-  headscale preauthkeys create --user 1 --reusable --expiration 24h
+  headscale preauthkeys create --user myfirstuser --reusable --expiration 24h
 ```
 
 This will return a pre-authenticated key that can be used to connect a node to headscale with the `tailscale up` command:

docs/setup/install/official.md

@@ -7,7 +7,7 @@ Both are available on the [GitHub releases page](https://github.com/juanfont/hea
 
 It is recommended to use our DEB packages to install headscale on a Debian based system as those packages configure a
 local user to run headscale, provide a default configuration and ship with a systemd service file. Supported
-distributions are Ubuntu 22.04 or newer, Debian 12 or newer.
+distributions are Ubuntu 22.04 or newer, Debian 11 or newer.
 
 1.  Download the [latest headscale package](https://github.com/juanfont/headscale/releases/latest) for your platform (`.deb` for Ubuntu and Debian).
 
@@ -57,14 +57,14 @@ managed by systemd.
 1.  Download the latest [`headscale` binary from GitHub's release page](https://github.com/juanfont/headscale/releases):
 
     ```shell
-    sudo wget --output-document=/usr/bin/headscale \
+    sudo wget --output-document=/usr/local/bin/headscale \
     https://github.com/juanfont/headscale/releases/download/v<HEADSCALE VERSION>/headscale_<HEADSCALE VERSION>_linux_<ARCH>
     ```
 
 1.  Make `headscale` executable:
 
     ```shell
-    sudo chmod +x /usr/bin/headscale
+    sudo chmod +x /usr/local/bin/headscale
     ```
 
 1.  Add a dedicated local user to run headscale:

docs/setup/requirements.md

@@ -4,35 +4,11 @@ Headscale should just work as long as the following requirements are met:
 
 - A server with a public IP address for headscale. A dual-stack setup with a public IPv4 and a public IPv6 address is
   recommended.
-- Headscale is served via HTTPS on port 443[^1] and [may use additional ports](#ports-in-use).
+- Headscale is served via HTTPS on port 443[^1].
 - A reasonably modern Linux or BSD based operating system.
 - A dedicated local user account to run headscale.
 - A little bit of command line knowledge to configure and operate headscale.
 
-## Ports in use
-
-The ports in use vary with the intended scenario and enabled features. Some of the listed ports may be changed via the
-[configuration file](../ref/configuration.md) but we recommend to stick with the default values.
-
-- tcp/80
-    - Expose publicly: yes
-    - HTTP, used by Let's Encrypt to verify ownership via the HTTP-01 challenge.
-    - Only required if the built-in Let's Enrypt client with the HTTP-01 challenge is used. See [TLS](../ref/tls.md) for
-      details.
-- tcp/443
-    - Expose publicly: yes
-    - HTTPS, required to make Headscale available to Tailscale clients[^1]
-    - Required if the [embedded DERP server](../ref/derp.md) is enabled
-- udp/3478
-    - Expose publicly: yes
-    - STUN, required if the [embedded DERP server](../ref/derp.md) is enabled
-- tcp/50443
-    - Expose publicly: yes
-    - Only required if the gRPC interface is used to [remote-control Headscale](../ref/remote-cli.md).
-- tcp/9090
-    - Expose publicly: no
-    - [Metrics and debug endpoint](../ref/debug.md#metrics-and-debug-endpoint)
-
 ## Assumptions
 
 The headscale documentation and the provided examples are written with a few assumptions in mind:

docs/usage/connect/android.md

@@ -6,23 +6,9 @@ This documentation has the goal of showing how a user can use the official Andro
 
 Install the official Tailscale Android client from the [Google Play Store](https://play.google.com/store/apps/details?id=com.tailscale.ipn) or [F-Droid](https://f-droid.org/packages/com.tailscale.ipn/).
 
-## Connect via normal, interactive login
+## Configuring the headscale URL
 
 - Open the app and select the settings menu in the upper-right corner
 - Tap on `Accounts`
 - In the kebab menu icon (three dots) in the upper-right corner select `Use an alternate server`
 - Enter your server URL (e.g `https://headscale.example.com`) and follow the instructions
-- The client connects automatically as soon as the node registration is complete on headscale. Until then, nothing is
-  visible in the server logs.
-
-## Connect using a preauthkey
-
-- Open the app and select the settings menu in the upper-right corner
-- Tap on `Accounts`
-- In the kebab menu icon (three dots) in the upper-right corner select `Use an alternate server`
-- Enter your server URL (e.g `https://headscale.example.com`). If login prompts open, close it and continue
-- Open the settings menu in the upper-right corner
-- Tap on `Accounts`
-- In the kebab menu icon (three dots) in the upper-right corner select `Use an auth key`
-- Enter your [preauthkey generated from headscale](../getting-started.md#using-a-preauthkey)
-- If needed, tap `Log in` on the main screen. You should now be connected to your headscale.

docs/usage/getting-started.md

@@ -117,14 +117,14 @@ headscale instance. By default, the key is valid for one hour and can only be us
 === "Native"
 
     ```shell
-    headscale preauthkeys create --user <USER_ID>
+    headscale preauthkeys create --user <USER>
     ```
 
 === "Container"
 
     ```shell
     docker exec -it headscale \
-      headscale preauthkeys create --user <USER_ID>
+      headscale preauthkeys create --user <USER>
     ```
 
 The command returns the preauthkey on success which is used to connect a node to the headscale instance via the

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1760533177,
-        "narHash": "sha256-OwM1sFustLHx+xmTymhucZuNhtq98fHIbfO8Swm5L8A=",
+        "lastModified": 1752012998,
+        "narHash": "sha256-Q82Ms+FQmgOBkdoSVm+FBpuFoeUAffNerR5yVV7SgT8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "35f590344ff791e6b1d6d6b8f3523467c9217caf",
+        "rev": "2a2130494ad647f953593c4e84ea4df839fbd68c",
         "type": "github"
       },
       "original": {

flake.nix

@@ -18,8 +18,8 @@
     {
       overlay = _: prev: let
         pkgs = nixpkgs.legacyPackages.${prev.system};
-        buildGo = pkgs.buildGo125Module;
-        vendorHash = "sha256-VOi4PGZ8I+2MiwtzxpKc/4smsL5KcH/pHVkjJfAFPJ0=";
+        buildGo = pkgs.buildGo124Module;
+        vendorHash = "sha256-S2GnCg2dyfjIyi5gXhVEuRs5Bop2JAhZcnhg1fu4/Gg=";
       in {
         headscale = buildGo {
           pname = "headscale";
@@ -97,10 +97,9 @@
         #   buildGoModule = buildGo;
         # };
 
-        # The package uses buildGo125Module, not the convention.
-        # goreleaser = prev.goreleaser.override {
-        #   buildGoModule = buildGo;
-        # };
+        goreleaser = prev.goreleaser.override {
+          buildGoModule = buildGo;
+        };
 
         gotestsum = prev.gotestsum.override {
           buildGoModule = buildGo;
@@ -125,7 +124,7 @@
         overlays = [self.overlay];
         inherit system;
       };
-      buildDeps = with pkgs; [git go_1_25 gnumake];
+      buildDeps = with pkgs; [git go_1_24 gnumake];
       devDeps = with pkgs;
         buildDeps
         ++ [

gen/go/headscale/v1/apikey.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.10
+// 	protoc-gen-go v1.36.6
 // 	protoc        (unknown)
 // source: headscale/v1/apikey.proto
 

gen/go/headscale/v1/device.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.10
+// 	protoc-gen-go v1.36.6
 // 	protoc        (unknown)
 // source: headscale/v1/device.proto
 

gen/go/headscale/v1/headscale.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.10
+// 	protoc-gen-go v1.36.6
 // 	protoc        (unknown)
 // source: headscale/v1/headscale.proto
 
@@ -11,7 +11,6 @@ import (
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
-	sync "sync"
 	unsafe "unsafe"
 )
 
@@ -22,94 +21,11 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-type HealthRequest struct {
-	state         protoimpl.MessageState `protogen:"open.v1"`
-	unknownFields protoimpl.UnknownFields
-	sizeCache     protoimpl.SizeCache
-}
-
-func (x *HealthRequest) Reset() {
-	*x = HealthRequest{}
-	mi := &file_headscale_v1_headscale_proto_msgTypes[0]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *HealthRequest) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*HealthRequest) ProtoMessage() {}
-
-func (x *HealthRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_headscale_v1_headscale_proto_msgTypes[0]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use HealthRequest.ProtoReflect.Descriptor instead.
-func (*HealthRequest) Descriptor() ([]byte, []int) {
-	return file_headscale_v1_headscale_proto_rawDescGZIP(), []int{0}
-}
-
-type HealthResponse struct {
-	state                protoimpl.MessageState `protogen:"open.v1"`
-	DatabaseConnectivity bool                   `protobuf:"varint,1,opt,name=database_connectivity,json=databaseConnectivity,proto3" json:"database_connectivity,omitempty"`
-	unknownFields        protoimpl.UnknownFields
-	sizeCache            protoimpl.SizeCache
-}
-
-func (x *HealthResponse) Reset() {
-	*x = HealthResponse{}
-	mi := &file_headscale_v1_headscale_proto_msgTypes[1]
-	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-	ms.StoreMessageInfo(mi)
-}
-
-func (x *HealthResponse) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*HealthResponse) ProtoMessage() {}
-
-func (x *HealthResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_headscale_v1_headscale_proto_msgTypes[1]
-	if x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use HealthResponse.ProtoReflect.Descriptor instead.
-func (*HealthResponse) Descriptor() ([]byte, []int) {
-	return file_headscale_v1_headscale_proto_rawDescGZIP(), []int{1}
-}
-
-func (x *HealthResponse) GetDatabaseConnectivity() bool {
-	if x != nil {
-		return x.DatabaseConnectivity
-	}
-	return false
-}
-
 var File_headscale_v1_headscale_proto protoreflect.FileDescriptor
 
 const file_headscale_v1_headscale_proto_rawDesc = "" +
 	"\n" +
-	"\x1cheadscale/v1/headscale.proto\x12\fheadscale.v1\x1a\x1cgoogle/api/annotations.proto\x1a\x17headscale/v1/user.proto\x1a\x1dheadscale/v1/preauthkey.proto\x1a\x17headscale/v1/node.proto\x1a\x19headscale/v1/apikey.proto\x1a\x19headscale/v1/policy.proto\"\x0f\n" +
-	"\rHealthRequest\"E\n" +
-	"\x0eHealthResponse\x123\n" +
-	"\x15database_connectivity\x18\x01 \x01(\bR\x14databaseConnectivity2\x80\x17\n" +
+	"\x1cheadscale/v1/headscale.proto\x12\fheadscale.v1\x1a\x1cgoogle/api/annotations.proto\x1a\x17headscale/v1/user.proto\x1a\x1dheadscale/v1/preauthkey.proto\x1a\x17headscale/v1/node.proto\x1a\x19headscale/v1/apikey.proto\x1a\x19headscale/v1/policy.proto2\xa3\x16\n" +
 	"\x10HeadscaleService\x12h\n" +
 	"\n" +
 	"CreateUser\x12\x1f.headscale.v1.CreateUserRequest\x1a .headscale.v1.CreateUserResponse\"\x17\x82\xd3\xe4\x93\x02\x11:\x01*\"\f/api/v1/user\x12\x80\x01\n" +
@@ -140,127 +56,109 @@ const file_headscale_v1_headscale_proto_rawDesc = "" +
 	"\vListApiKeys\x12 .headscale.v1.ListApiKeysRequest\x1a!.headscale.v1.ListApiKeysResponse\"\x16\x82\xd3\xe4\x93\x02\x10\x12\x0e/api/v1/apikey\x12v\n" +
 	"\fDeleteApiKey\x12!.headscale.v1.DeleteApiKeyRequest\x1a\".headscale.v1.DeleteApiKeyResponse\"\x1f\x82\xd3\xe4\x93\x02\x19*\x17/api/v1/apikey/{prefix}\x12d\n" +
 	"\tGetPolicy\x12\x1e.headscale.v1.GetPolicyRequest\x1a\x1f.headscale.v1.GetPolicyResponse\"\x16\x82\xd3\xe4\x93\x02\x10\x12\x0e/api/v1/policy\x12g\n" +
-	"\tSetPolicy\x12\x1e.headscale.v1.SetPolicyRequest\x1a\x1f.headscale.v1.SetPolicyResponse\"\x19\x82\xd3\xe4\x93\x02\x13:\x01*\x1a\x0e/api/v1/policy\x12[\n" +
-	"\x06Health\x12\x1b.headscale.v1.HealthRequest\x1a\x1c.headscale.v1.HealthResponse\"\x16\x82\xd3\xe4\x93\x02\x10\x12\x0e/api/v1/healthB)Z'github.com/juanfont/headscale/gen/go/v1b\x06proto3"
+	"\tSetPolicy\x12\x1e.headscale.v1.SetPolicyRequest\x1a\x1f.headscale.v1.SetPolicyResponse\"\x19\x82\xd3\xe4\x93\x02\x13:\x01*\x1a\x0e/api/v1/policyB)Z'github.com/juanfont/headscale/gen/go/v1b\x06proto3"
 
-var (
-	file_headscale_v1_headscale_proto_rawDescOnce sync.Once
-	file_headscale_v1_headscale_proto_rawDescData []byte
-)
-
-func file_headscale_v1_headscale_proto_rawDescGZIP() []byte {
-	file_headscale_v1_headscale_proto_rawDescOnce.Do(func() {
-		file_headscale_v1_headscale_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_headscale_v1_headscale_proto_rawDesc), len(file_headscale_v1_headscale_proto_rawDesc)))
-	})
-	return file_headscale_v1_headscale_proto_rawDescData
-}
-
-var file_headscale_v1_headscale_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
 var file_headscale_v1_headscale_proto_goTypes = []any{
-	(*HealthRequest)(nil),             // 0: headscale.v1.HealthRequest
-	(*HealthResponse)(nil),            // 1: headscale.v1.HealthResponse
-	(*CreateUserRequest)(nil),         // 2: headscale.v1.CreateUserRequest
-	(*RenameUserRequest)(nil),         // 3: headscale.v1.RenameUserRequest
-	(*DeleteUserRequest)(nil),         // 4: headscale.v1.DeleteUserRequest
-	(*ListUsersRequest)(nil),          // 5: headscale.v1.ListUsersRequest
-	(*CreatePreAuthKeyRequest)(nil),   // 6: headscale.v1.CreatePreAuthKeyRequest
-	(*ExpirePreAuthKeyRequest)(nil),   // 7: headscale.v1.ExpirePreAuthKeyRequest
-	(*ListPreAuthKeysRequest)(nil),    // 8: headscale.v1.ListPreAuthKeysRequest
-	(*DebugCreateNodeRequest)(nil),    // 9: headscale.v1.DebugCreateNodeRequest
-	(*GetNodeRequest)(nil),            // 10: headscale.v1.GetNodeRequest
-	(*SetTagsRequest)(nil),            // 11: headscale.v1.SetTagsRequest
-	(*SetApprovedRoutesRequest)(nil),  // 12: headscale.v1.SetApprovedRoutesRequest
-	(*RegisterNodeRequest)(nil),       // 13: headscale.v1.RegisterNodeRequest
-	(*DeleteNodeRequest)(nil),         // 14: headscale.v1.DeleteNodeRequest
-	(*ExpireNodeRequest)(nil),         // 15: headscale.v1.ExpireNodeRequest
-	(*RenameNodeRequest)(nil),         // 16: headscale.v1.RenameNodeRequest
-	(*ListNodesRequest)(nil),          // 17: headscale.v1.ListNodesRequest
-	(*MoveNodeRequest)(nil),           // 18: headscale.v1.MoveNodeRequest
-	(*BackfillNodeIPsRequest)(nil),    // 19: headscale.v1.BackfillNodeIPsRequest
-	(*CreateApiKeyRequest)(nil),       // 20: headscale.v1.CreateApiKeyRequest
-	(*ExpireApiKeyRequest)(nil),       // 21: headscale.v1.ExpireApiKeyRequest
-	(*ListApiKeysRequest)(nil),        // 22: headscale.v1.ListApiKeysRequest
-	(*DeleteApiKeyRequest)(nil),       // 23: headscale.v1.DeleteApiKeyRequest
-	(*GetPolicyRequest)(nil),          // 24: headscale.v1.GetPolicyRequest
-	(*SetPolicyRequest)(nil),          // 25: headscale.v1.SetPolicyRequest
-	(*CreateUserResponse)(nil),        // 26: headscale.v1.CreateUserResponse
-	(*RenameUserResponse)(nil),        // 27: headscale.v1.RenameUserResponse
-	(*DeleteUserResponse)(nil),        // 28: headscale.v1.DeleteUserResponse
-	(*ListUsersResponse)(nil),         // 29: headscale.v1.ListUsersResponse
-	(*CreatePreAuthKeyResponse)(nil),  // 30: headscale.v1.CreatePreAuthKeyResponse
-	(*ExpirePreAuthKeyResponse)(nil),  // 31: headscale.v1.ExpirePreAuthKeyResponse
-	(*ListPreAuthKeysResponse)(nil),   // 32: headscale.v1.ListPreAuthKeysResponse
-	(*DebugCreateNodeResponse)(nil),   // 33: headscale.v1.DebugCreateNodeResponse
-	(*GetNodeResponse)(nil),           // 34: headscale.v1.GetNodeResponse
-	(*SetTagsResponse)(nil),           // 35: headscale.v1.SetTagsResponse
-	(*SetApprovedRoutesResponse)(nil), // 36: headscale.v1.SetApprovedRoutesResponse
-	(*RegisterNodeResponse)(nil),      // 37: headscale.v1.RegisterNodeResponse
-	(*DeleteNodeResponse)(nil),        // 38: headscale.v1.DeleteNodeResponse
-	(*ExpireNodeResponse)(nil),        // 39: headscale.v1.ExpireNodeResponse
-	(*RenameNodeResponse)(nil),        // 40: headscale.v1.RenameNodeResponse
-	(*ListNodesResponse)(nil),         // 41: headscale.v1.ListNodesResponse
-	(*MoveNodeResponse)(nil),          // 42: headscale.v1.MoveNodeResponse
-	(*BackfillNodeIPsResponse)(nil),   // 43: headscale.v1.BackfillNodeIPsResponse
-	(*CreateApiKeyResponse)(nil),      // 44: headscale.v1.CreateApiKeyResponse
-	(*ExpireApiKeyResponse)(nil),      // 45: headscale.v1.ExpireApiKeyResponse
-	(*ListApiKeysResponse)(nil),       // 46: headscale.v1.ListApiKeysResponse
-	(*DeleteApiKeyResponse)(nil),      // 47: headscale.v1.DeleteApiKeyResponse
-	(*GetPolicyResponse)(nil),         // 48: headscale.v1.GetPolicyResponse
-	(*SetPolicyResponse)(nil),         // 49: headscale.v1.SetPolicyResponse
+	(*CreateUserRequest)(nil),         // 0: headscale.v1.CreateUserRequest
+	(*RenameUserRequest)(nil),         // 1: headscale.v1.RenameUserRequest
+	(*DeleteUserRequest)(nil),         // 2: headscale.v1.DeleteUserRequest
+	(*ListUsersRequest)(nil),          // 3: headscale.v1.ListUsersRequest
+	(*CreatePreAuthKeyRequest)(nil),   // 4: headscale.v1.CreatePreAuthKeyRequest
+	(*ExpirePreAuthKeyRequest)(nil),   // 5: headscale.v1.ExpirePreAuthKeyRequest
+	(*ListPreAuthKeysRequest)(nil),    // 6: headscale.v1.ListPreAuthKeysRequest
+	(*DebugCreateNodeRequest)(nil),    // 7: headscale.v1.DebugCreateNodeRequest
+	(*GetNodeRequest)(nil),            // 8: headscale.v1.GetNodeRequest
+	(*SetTagsRequest)(nil),            // 9: headscale.v1.SetTagsRequest
+	(*SetApprovedRoutesRequest)(nil),  // 10: headscale.v1.SetApprovedRoutesRequest
+	(*RegisterNodeRequest)(nil),       // 11: headscale.v1.RegisterNodeRequest
+	(*DeleteNodeRequest)(nil),         // 12: headscale.v1.DeleteNodeRequest
+	(*ExpireNodeRequest)(nil),         // 13: headscale.v1.ExpireNodeRequest
+	(*RenameNodeRequest)(nil),         // 14: headscale.v1.RenameNodeRequest
+	(*ListNodesRequest)(nil),          // 15: headscale.v1.ListNodesRequest
+	(*MoveNodeRequest)(nil),           // 16: headscale.v1.MoveNodeRequest
+	(*BackfillNodeIPsRequest)(nil),    // 17: headscale.v1.BackfillNodeIPsRequest
+	(*CreateApiKeyRequest)(nil),       // 18: headscale.v1.CreateApiKeyRequest
+	(*ExpireApiKeyRequest)(nil),       // 19: headscale.v1.ExpireApiKeyRequest
+	(*ListApiKeysRequest)(nil),        // 20: headscale.v1.ListApiKeysRequest
+	(*DeleteApiKeyRequest)(nil),       // 21: headscale.v1.DeleteApiKeyRequest
+	(*GetPolicyRequest)(nil),          // 22: headscale.v1.GetPolicyRequest
+	(*SetPolicyRequest)(nil),          // 23: headscale.v1.SetPolicyRequest
+	(*CreateUserResponse)(nil),        // 24: headscale.v1.CreateUserResponse
+	(*RenameUserResponse)(nil),        // 25: headscale.v1.RenameUserResponse
+	(*DeleteUserResponse)(nil),        // 26: headscale.v1.DeleteUserResponse
+	(*ListUsersResponse)(nil),         // 27: headscale.v1.ListUsersResponse
+	(*CreatePreAuthKeyResponse)(nil),  // 28: headscale.v1.CreatePreAuthKeyResponse
+	(*ExpirePreAuthKeyResponse)(nil),  // 29: headscale.v1.ExpirePreAuthKeyResponse
+	(*ListPreAuthKeysResponse)(nil),   // 30: headscale.v1.ListPreAuthKeysResponse
+	(*DebugCreateNodeResponse)(nil),   // 31: headscale.v1.DebugCreateNodeResponse
+	(*GetNodeResponse)(nil),           // 32: headscale.v1.GetNodeResponse
+	(*SetTagsResponse)(nil),           // 33: headscale.v1.SetTagsResponse
+	(*SetApprovedRoutesResponse)(nil), // 34: headscale.v1.SetApprovedRoutesResponse
+	(*RegisterNodeResponse)(nil),      // 35: headscale.v1.RegisterNodeResponse
+	(*DeleteNodeResponse)(nil),        // 36: headscale.v1.DeleteNodeResponse
+	(*ExpireNodeResponse)(nil),        // 37: headscale.v1.ExpireNodeResponse
+	(*RenameNodeResponse)(nil),        // 38: headscale.v1.RenameNodeResponse
+	(*ListNodesResponse)(nil),         // 39: headscale.v1.ListNodesResponse
+	(*MoveNodeResponse)(nil),          // 40: headscale.v1.MoveNodeResponse
+	(*BackfillNodeIPsResponse)(nil),   // 41: headscale.v1.BackfillNodeIPsResponse
+	(*CreateApiKeyResponse)(nil),      // 42: headscale.v1.CreateApiKeyResponse
+	(*ExpireApiKeyResponse)(nil),      // 43: headscale.v1.ExpireApiKeyResponse
+	(*ListApiKeysResponse)(nil),       // 44: headscale.v1.ListApiKeysResponse
+	(*DeleteApiKeyResponse)(nil),      // 45: headscale.v1.DeleteApiKeyResponse
+	(*GetPolicyResponse)(nil),         // 46: headscale.v1.GetPolicyResponse
+	(*SetPolicyResponse)(nil),         // 47: headscale.v1.SetPolicyResponse
 }
 var file_headscale_v1_headscale_proto_depIdxs = []int32{
-	2,  // 0: headscale.v1.HeadscaleService.CreateUser:input_type -> headscale.v1.CreateUserRequest
-	3,  // 1: headscale.v1.HeadscaleService.RenameUser:input_type -> headscale.v1.RenameUserRequest
-	4,  // 2: headscale.v1.HeadscaleService.DeleteUser:input_type -> headscale.v1.DeleteUserRequest
-	5,  // 3: headscale.v1.HeadscaleService.ListUsers:input_type -> headscale.v1.ListUsersRequest
-	6,  // 4: headscale.v1.HeadscaleService.CreatePreAuthKey:input_type -> headscale.v1.CreatePreAuthKeyRequest
-	7,  // 5: headscale.v1.HeadscaleService.ExpirePreAuthKey:input_type -> headscale.v1.ExpirePreAuthKeyRequest
-	8,  // 6: headscale.v1.HeadscaleService.ListPreAuthKeys:input_type -> headscale.v1.ListPreAuthKeysRequest
-	9,  // 7: headscale.v1.HeadscaleService.DebugCreateNode:input_type -> headscale.v1.DebugCreateNodeRequest
-	10, // 8: headscale.v1.HeadscaleService.GetNode:input_type -> headscale.v1.GetNodeRequest
-	11, // 9: headscale.v1.HeadscaleService.SetTags:input_type -> headscale.v1.SetTagsRequest
-	12, // 10: headscale.v1.HeadscaleService.SetApprovedRoutes:input_type -> headscale.v1.SetApprovedRoutesRequest
-	13, // 11: headscale.v1.HeadscaleService.RegisterNode:input_type -> headscale.v1.RegisterNodeRequest
-	14, // 12: headscale.v1.HeadscaleService.DeleteNode:input_type -> headscale.v1.DeleteNodeRequest
-	15, // 13: headscale.v1.HeadscaleService.ExpireNode:input_type -> headscale.v1.ExpireNodeRequest
-	16, // 14: headscale.v1.HeadscaleService.RenameNode:input_type -> headscale.v1.RenameNodeRequest
-	17, // 15: headscale.v1.HeadscaleService.ListNodes:input_type -> headscale.v1.ListNodesRequest
-	18, // 16: headscale.v1.HeadscaleService.MoveNode:input_type -> headscale.v1.MoveNodeRequest
-	19, // 17: headscale.v1.HeadscaleService.BackfillNodeIPs:input_type -> headscale.v1.BackfillNodeIPsRequest
-	20, // 18: headscale.v1.HeadscaleService.CreateApiKey:input_type -> headscale.v1.CreateApiKeyRequest
-	21, // 19: headscale.v1.HeadscaleService.ExpireApiKey:input_type -> headscale.v1.ExpireApiKeyRequest
-	22, // 20: headscale.v1.HeadscaleService.ListApiKeys:input_type -> headscale.v1.ListApiKeysRequest
-	23, // 21: headscale.v1.HeadscaleService.DeleteApiKey:input_type -> headscale.v1.DeleteApiKeyRequest
-	24, // 22: headscale.v1.HeadscaleService.GetPolicy:input_type -> headscale.v1.GetPolicyRequest
-	25, // 23: headscale.v1.HeadscaleService.SetPolicy:input_type -> headscale.v1.SetPolicyRequest
-	0,  // 24: headscale.v1.HeadscaleService.Health:input_type -> headscale.v1.HealthRequest
-	26, // 25: headscale.v1.HeadscaleService.CreateUser:output_type -> headscale.v1.CreateUserResponse
-	27, // 26: headscale.v1.HeadscaleService.RenameUser:output_type -> headscale.v1.RenameUserResponse
-	28, // 27: headscale.v1.HeadscaleService.DeleteUser:output_type -> headscale.v1.DeleteUserResponse
-	29, // 28: headscale.v1.HeadscaleService.ListUsers:output_type -> headscale.v1.ListUsersResponse
-	30, // 29: headscale.v1.HeadscaleService.CreatePreAuthKey:output_type -> headscale.v1.CreatePreAuthKeyResponse
-	31, // 30: headscale.v1.HeadscaleService.ExpirePreAuthKey:output_type -> headscale.v1.ExpirePreAuthKeyResponse
-	32, // 31: headscale.v1.HeadscaleService.ListPreAuthKeys:output_type -> headscale.v1.ListPreAuthKeysResponse
-	33, // 32: headscale.v1.HeadscaleService.DebugCreateNode:output_type -> headscale.v1.DebugCreateNodeResponse
-	34, // 33: headscale.v1.HeadscaleService.GetNode:output_type -> headscale.v1.GetNodeResponse
-	35, // 34: headscale.v1.HeadscaleService.SetTags:output_type -> headscale.v1.SetTagsResponse
-	36, // 35: headscale.v1.HeadscaleService.SetApprovedRoutes:output_type -> headscale.v1.SetApprovedRoutesResponse
-	37, // 36: headscale.v1.HeadscaleService.RegisterNode:output_type -> headscale.v1.RegisterNodeResponse
-	38, // 37: headscale.v1.HeadscaleService.DeleteNode:output_type -> headscale.v1.DeleteNodeResponse
-	39, // 38: headscale.v1.HeadscaleService.ExpireNode:output_type -> headscale.v1.ExpireNodeResponse
-	40, // 39: headscale.v1.HeadscaleService.RenameNode:output_type -> headscale.v1.RenameNodeResponse
-	41, // 40: headscale.v1.HeadscaleService.ListNodes:output_type -> headscale.v1.ListNodesResponse
-	42, // 41: headscale.v1.HeadscaleService.MoveNode:output_type -> headscale.v1.MoveNodeResponse
-	43, // 42: headscale.v1.HeadscaleService.BackfillNodeIPs:output_type -> headscale.v1.BackfillNodeIPsResponse
-	44, // 43: headscale.v1.HeadscaleService.CreateApiKey:output_type -> headscale.v1.CreateApiKeyResponse
-	45, // 44: headscale.v1.HeadscaleService.ExpireApiKey:output_type -> headscale.v1.ExpireApiKeyResponse
-	46, // 45: headscale.v1.HeadscaleService.ListApiKeys:output_type -> headscale.v1.ListApiKeysResponse
-	47, // 46: headscale.v1.HeadscaleService.DeleteApiKey:output_type -> headscale.v1.DeleteApiKeyResponse
-	48, // 47: headscale.v1.HeadscaleService.GetPolicy:output_type -> headscale.v1.GetPolicyResponse
-	49, // 48: headscale.v1.HeadscaleService.SetPolicy:output_type -> headscale.v1.SetPolicyResponse
-	1,  // 49: headscale.v1.HeadscaleService.Health:output_type -> headscale.v1.HealthResponse
-	25, // [25:50] is the sub-list for method output_type
-	0,  // [0:25] is the sub-list for method input_type
+	0,  // 0: headscale.v1.HeadscaleService.CreateUser:input_type -> headscale.v1.CreateUserRequest
+	1,  // 1: headscale.v1.HeadscaleService.RenameUser:input_type -> headscale.v1.RenameUserRequest
+	2,  // 2: headscale.v1.HeadscaleService.DeleteUser:input_type -> headscale.v1.DeleteUserRequest
+	3,  // 3: headscale.v1.HeadscaleService.ListUsers:input_type -> headscale.v1.ListUsersRequest
+	4,  // 4: headscale.v1.HeadscaleService.CreatePreAuthKey:input_type -> headscale.v1.CreatePreAuthKeyRequest
+	5,  // 5: headscale.v1.HeadscaleService.ExpirePreAuthKey:input_type -> headscale.v1.ExpirePreAuthKeyRequest
+	6,  // 6: headscale.v1.HeadscaleService.ListPreAuthKeys:input_type -> headscale.v1.ListPreAuthKeysRequest
+	7,  // 7: headscale.v1.HeadscaleService.DebugCreateNode:input_type -> headscale.v1.DebugCreateNodeRequest
+	8,  // 8: headscale.v1.HeadscaleService.GetNode:input_type -> headscale.v1.GetNodeRequest
+	9,  // 9: headscale.v1.HeadscaleService.SetTags:input_type -> headscale.v1.SetTagsRequest
+	10, // 10: headscale.v1.HeadscaleService.SetApprovedRoutes:input_type -> headscale.v1.SetApprovedRoutesRequest
+	11, // 11: headscale.v1.HeadscaleService.RegisterNode:input_type -> headscale.v1.RegisterNodeRequest
+	12, // 12: headscale.v1.HeadscaleService.DeleteNode:input_type -> headscale.v1.DeleteNodeRequest
+	13, // 13: headscale.v1.HeadscaleService.ExpireNode:input_type -> headscale.v1.ExpireNodeRequest
+	14, // 14: headscale.v1.HeadscaleService.RenameNode:input_type -> headscale.v1.RenameNodeRequest
+	15, // 15: headscale.v1.HeadscaleService.ListNodes:input_type -> headscale.v1.ListNodesRequest
+	16, // 16: headscale.v1.HeadscaleService.MoveNode:input_type -> headscale.v1.MoveNodeRequest
+	17, // 17: headscale.v1.HeadscaleService.BackfillNodeIPs:input_type -> headscale.v1.BackfillNodeIPsRequest
+	18, // 18: headscale.v1.HeadscaleService.CreateApiKey:input_type -> headscale.v1.CreateApiKeyRequest
+	19, // 19: headscale.v1.HeadscaleService.ExpireApiKey:input_type -> headscale.v1.ExpireApiKeyRequest
+	20, // 20: headscale.v1.HeadscaleService.ListApiKeys:input_type -> headscale.v1.ListApiKeysRequest
+	21, // 21: headscale.v1.HeadscaleService.DeleteApiKey:input_type -> headscale.v1.DeleteApiKeyRequest
+	22, // 22: headscale.v1.HeadscaleService.GetPolicy:input_type -> headscale.v1.GetPolicyRequest
+	23, // 23: headscale.v1.HeadscaleService.SetPolicy:input_type -> headscale.v1.SetPolicyRequest
+	24, // 24: headscale.v1.HeadscaleService.CreateUser:output_type -> headscale.v1.CreateUserResponse
+	25, // 25: headscale.v1.HeadscaleService.RenameUser:output_type -> headscale.v1.RenameUserResponse
+	26, // 26: headscale.v1.HeadscaleService.DeleteUser:output_type -> headscale.v1.DeleteUserResponse
+	27, // 27: headscale.v1.HeadscaleService.ListUsers:output_type -> headscale.v1.ListUsersResponse
+	28, // 28: headscale.v1.HeadscaleService.CreatePreAuthKey:output_type -> headscale.v1.CreatePreAuthKeyResponse
+	29, // 29: headscale.v1.HeadscaleService.ExpirePreAuthKey:output_type -> headscale.v1.ExpirePreAuthKeyResponse
+	30, // 30: headscale.v1.HeadscaleService.ListPreAuthKeys:output_type -> headscale.v1.ListPreAuthKeysResponse
+	31, // 31: headscale.v1.HeadscaleService.DebugCreateNode:output_type -> headscale.v1.DebugCreateNodeResponse
+	32, // 32: headscale.v1.HeadscaleService.GetNode:output_type -> headscale.v1.GetNodeResponse
+	33, // 33: headscale.v1.HeadscaleService.SetTags:output_type -> headscale.v1.SetTagsResponse
+	34, // 34: headscale.v1.HeadscaleService.SetApprovedRoutes:output_type -> headscale.v1.SetApprovedRoutesResponse
+	35, // 35: headscale.v1.HeadscaleService.RegisterNode:output_type -> headscale.v1.RegisterNodeResponse
+	36, // 36: headscale.v1.HeadscaleService.DeleteNode:output_type -> headscale.v1.DeleteNodeResponse
+	37, // 37: headscale.v1.HeadscaleService.ExpireNode:output_type -> headscale.v1.ExpireNodeResponse
+	38, // 38: headscale.v1.HeadscaleService.RenameNode:output_type -> headscale.v1.RenameNodeResponse
+	39, // 39: headscale.v1.HeadscaleService.ListNodes:output_type -> headscale.v1.ListNodesResponse
+	40, // 40: headscale.v1.HeadscaleService.MoveNode:output_type -> headscale.v1.MoveNodeResponse
+	41, // 41: headscale.v1.HeadscaleService.BackfillNodeIPs:output_type -> headscale.v1.BackfillNodeIPsResponse
+	42, // 42: headscale.v1.HeadscaleService.CreateApiKey:output_type -> headscale.v1.CreateApiKeyResponse
+	43, // 43: headscale.v1.HeadscaleService.ExpireApiKey:output_type -> headscale.v1.ExpireApiKeyResponse
+	44, // 44: headscale.v1.HeadscaleService.ListApiKeys:output_type -> headscale.v1.ListApiKeysResponse
+	45, // 45: headscale.v1.HeadscaleService.DeleteApiKey:output_type -> headscale.v1.DeleteApiKeyResponse
+	46, // 46: headscale.v1.HeadscaleService.GetPolicy:output_type -> headscale.v1.GetPolicyResponse
+	47, // 47: headscale.v1.HeadscaleService.SetPolicy:output_type -> headscale.v1.SetPolicyResponse
+	24, // [24:48] is the sub-list for method output_type
+	0,  // [0:24] is the sub-list for method input_type
 	0,  // [0:0] is the sub-list for extension type_name
 	0,  // [0:0] is the sub-list for extension extendee
 	0,  // [0:0] is the sub-list for field type_name
@@ -282,13 +180,12 @@ func file_headscale_v1_headscale_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_headscale_v1_headscale_proto_rawDesc), len(file_headscale_v1_headscale_proto_rawDesc)),
 			NumEnums:      0,
-			NumMessages:   2,
+			NumMessages:   0,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
 		GoTypes:           file_headscale_v1_headscale_proto_goTypes,
 		DependencyIndexes: file_headscale_v1_headscale_proto_depIdxs,
-		MessageInfos:      file_headscale_v1_headscale_proto_msgTypes,
 	}.Build()
 	File_headscale_v1_headscale_proto = out.File
 	file_headscale_v1_headscale_proto_goTypes = nil

gen/go/headscale/v1/headscale.pb.gw.go

@@ -471,8 +471,6 @@ func local_request_HeadscaleService_DeleteNode_0(ctx context.Context, marshaler
 	return msg, metadata, err
 }
 
-var filter_HeadscaleService_ExpireNode_0 = &utilities.DoubleArray{Encoding: map[string]int{"node_id": 0}, Base: []int{1, 1, 0}, Check: []int{0, 1, 2}}
-
 func request_HeadscaleService_ExpireNode_0(ctx context.Context, marshaler runtime.Marshaler, client HeadscaleServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
 	var (
 		protoReq ExpireNodeRequest
@@ -487,12 +485,6 @@ func request_HeadscaleService_ExpireNode_0(ctx context.Context, marshaler runtim
 	if err != nil {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "node_id", err)
 	}
-	if err := req.ParseForm(); err != nil {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
-	}
-	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_HeadscaleService_ExpireNode_0); err != nil {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
-	}
 	msg, err := client.ExpireNode(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
 	return msg, metadata, err
 }
@@ -511,12 +503,6 @@ func local_request_HeadscaleService_ExpireNode_0(ctx context.Context, marshaler
 	if err != nil {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "node_id", err)
 	}
-	if err := req.ParseForm(); err != nil {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
-	}
-	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_HeadscaleService_ExpireNode_0); err != nil {
-		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
-	}
 	msg, err := server.ExpireNode(ctx, &protoReq)
 	return msg, metadata, err
 }
@@ -823,24 +809,6 @@ func local_request_HeadscaleService_SetPolicy_0(ctx context.Context, marshaler r
 	return msg, metadata, err
 }
 
-func request_HeadscaleService_Health_0(ctx context.Context, marshaler runtime.Marshaler, client HeadscaleServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var (
-		protoReq HealthRequest
-		metadata runtime.ServerMetadata
-	)
-	msg, err := client.Health(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
-	return msg, metadata, err
-}
-
-func local_request_HeadscaleService_Health_0(ctx context.Context, marshaler runtime.Marshaler, server HeadscaleServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var (
-		protoReq HealthRequest
-		metadata runtime.ServerMetadata
-	)
-	msg, err := server.Health(ctx, &protoReq)
-	return msg, metadata, err
-}
-
 // RegisterHeadscaleServiceHandlerServer registers the http handlers for service HeadscaleService to "mux".
 // UnaryRPC     :call HeadscaleServiceServer directly.
 // StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
@@ -1327,26 +1295,6 @@ func RegisterHeadscaleServiceHandlerServer(ctx context.Context, mux *runtime.Ser
 		}
 		forward_HeadscaleService_SetPolicy_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
 	})
-	mux.Handle(http.MethodGet, pattern_HeadscaleService_Health_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
-		ctx, cancel := context.WithCancel(req.Context())
-		defer cancel()
-		var stream runtime.ServerTransportStream
-		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
-		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
-		annotatedContext, err := runtime.AnnotateIncomingContext(ctx, mux, req, "/headscale.v1.HeadscaleService/Health", runtime.WithHTTPPathPattern("/api/v1/health"))
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-		resp, md, err := local_request_HeadscaleService_Health_0(annotatedContext, inboundMarshaler, server, req, pathParams)
-		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
-		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
-		if err != nil {
-			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
-			return
-		}
-		forward_HeadscaleService_Health_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
-	})
 
 	return nil
 }
@@ -1795,23 +1743,6 @@ func RegisterHeadscaleServiceHandlerClient(ctx context.Context, mux *runtime.Ser
 		}
 		forward_HeadscaleService_SetPolicy_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
 	})
-	mux.Handle(http.MethodGet, pattern_HeadscaleService_Health_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
-		ctx, cancel := context.WithCancel(req.Context())
-		defer cancel()
-		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
-		annotatedContext, err := runtime.AnnotateContext(ctx, mux, req, "/headscale.v1.HeadscaleService/Health", runtime.WithHTTPPathPattern("/api/v1/health"))
-		if err != nil {
-			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
-			return
-		}
-		resp, md, err := request_HeadscaleService_Health_0(annotatedContext, inboundMarshaler, client, req, pathParams)
-		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
-		if err != nil {
-			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
-			return
-		}
-		forward_HeadscaleService_Health_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
-	})
 	return nil
 }
 
@@ -1840,7 +1771,6 @@ var (
 	pattern_HeadscaleService_DeleteApiKey_0      = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"api", "v1", "apikey", "prefix"}, ""))
 	pattern_HeadscaleService_GetPolicy_0         = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"api", "v1", "policy"}, ""))
 	pattern_HeadscaleService_SetPolicy_0         = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"api", "v1", "policy"}, ""))
-	pattern_HeadscaleService_Health_0            = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"api", "v1", "health"}, ""))
 )
 
 var (
@@ -1868,5 +1798,4 @@ var (
 	forward_HeadscaleService_DeleteApiKey_0      = runtime.ForwardResponseMessage
 	forward_HeadscaleService_GetPolicy_0         = runtime.ForwardResponseMessage
 	forward_HeadscaleService_SetPolicy_0         = runtime.ForwardResponseMessage
-	forward_HeadscaleService_Health_0            = runtime.ForwardResponseMessage
 )

gen/go/headscale/v1/headscale_grpc.pb.go

@@ -43,7 +43,6 @@ const (
 	HeadscaleService_DeleteApiKey_FullMethodName      = "/headscale.v1.HeadscaleService/DeleteApiKey"
 	HeadscaleService_GetPolicy_FullMethodName         = "/headscale.v1.HeadscaleService/GetPolicy"
 	HeadscaleService_SetPolicy_FullMethodName         = "/headscale.v1.HeadscaleService/SetPolicy"
-	HeadscaleService_Health_FullMethodName            = "/headscale.v1.HeadscaleService/Health"
 )
 
 // HeadscaleServiceClient is the client API for HeadscaleService service.
@@ -79,8 +78,6 @@ type HeadscaleServiceClient interface {
 	// --- Policy start ---
 	GetPolicy(ctx context.Context, in *GetPolicyRequest, opts ...grpc.CallOption) (*GetPolicyResponse, error)
 	SetPolicy(ctx context.Context, in *SetPolicyRequest, opts ...grpc.CallOption) (*SetPolicyResponse, error)
-	// --- Health start ---
-	Health(ctx context.Context, in *HealthRequest, opts ...grpc.CallOption) (*HealthResponse, error)
 }
 
 type headscaleServiceClient struct {
@@ -331,16 +328,6 @@ func (c *headscaleServiceClient) SetPolicy(ctx context.Context, in *SetPolicyReq
 	return out, nil
 }
 
-func (c *headscaleServiceClient) Health(ctx context.Context, in *HealthRequest, opts ...grpc.CallOption) (*HealthResponse, error) {
-	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	out := new(HealthResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_Health_FullMethodName, in, out, cOpts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 // HeadscaleServiceServer is the server API for HeadscaleService service.
 // All implementations must embed UnimplementedHeadscaleServiceServer
 // for forward compatibility.
@@ -374,8 +361,6 @@ type HeadscaleServiceServer interface {
 	// --- Policy start ---
 	GetPolicy(context.Context, *GetPolicyRequest) (*GetPolicyResponse, error)
 	SetPolicy(context.Context, *SetPolicyRequest) (*SetPolicyResponse, error)
-	// --- Health start ---
-	Health(context.Context, *HealthRequest) (*HealthResponse, error)
 	mustEmbedUnimplementedHeadscaleServiceServer()
 }
 
@@ -458,9 +443,6 @@ func (UnimplementedHeadscaleServiceServer) GetPolicy(context.Context, *GetPolicy
 func (UnimplementedHeadscaleServiceServer) SetPolicy(context.Context, *SetPolicyRequest) (*SetPolicyResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method SetPolicy not implemented")
 }
-func (UnimplementedHeadscaleServiceServer) Health(context.Context, *HealthRequest) (*HealthResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Health not implemented")
-}
 func (UnimplementedHeadscaleServiceServer) mustEmbedUnimplementedHeadscaleServiceServer() {}
 func (UnimplementedHeadscaleServiceServer) testEmbeddedByValue()                          {}
 
@@ -914,24 +896,6 @@ func _HeadscaleService_SetPolicy_Handler(srv interface{}, ctx context.Context, d
 	return interceptor(ctx, in, info, handler)
 }
 
-func _HeadscaleService_Health_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(HealthRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(HeadscaleServiceServer).Health(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: HeadscaleService_Health_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(HeadscaleServiceServer).Health(ctx, req.(*HealthRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 // HeadscaleService_ServiceDesc is the grpc.ServiceDesc for HeadscaleService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -1035,10 +999,6 @@ var HeadscaleService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "SetPolicy",
 			Handler:    _HeadscaleService_SetPolicy_Handler,
 		},
-		{
-			MethodName: "Health",
-			Handler:    _HeadscaleService_Health_Handler,
-		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "headscale/v1/headscale.proto",

gen/go/headscale/v1/node.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.10
+// 	protoc-gen-go v1.36.6
 // 	protoc        (unknown)
 // source: headscale/v1/node.proto
 
@@ -729,7 +729,6 @@ func (*DeleteNodeResponse) Descriptor() ([]byte, []int) {
 type ExpireNodeRequest struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	NodeId        uint64                 `protobuf:"varint,1,opt,name=node_id,json=nodeId,proto3" json:"node_id,omitempty"`
-	Expiry        *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=expiry,proto3" json:"expiry,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }
@@ -771,13 +770,6 @@ func (x *ExpireNodeRequest) GetNodeId() uint64 {
 	return 0
 }
 
-func (x *ExpireNodeRequest) GetExpiry() *timestamppb.Timestamp {
-	if x != nil {
-		return x.Expiry
-	}
-	return nil
-}
-
 type ExpireNodeResponse struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	Node          *Node                  `protobuf:"bytes,1,opt,name=node,proto3" json:"node,omitempty"`
@@ -921,6 +913,10 @@ func (x *RenameNodeResponse) GetNode() *Node {
 type ListNodesRequest struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	User          string                 `protobuf:"bytes,1,opt,name=user,proto3" json:"user,omitempty"`
+	Id            uint64                 `protobuf:"varint,2,opt,name=id,proto3" json:"id,omitempty"`
+	Name          string                 `protobuf:"bytes,3,opt,name=name,proto3" json:"name,omitempty"`
+	Hostname      string                 `protobuf:"bytes,4,opt,name=hostname,proto3" json:"hostname,omitempty"`
+	IpAddresses   []string               `protobuf:"bytes,5,rep,name=ip_addresses,json=ipAddresses,proto3" json:"ip_addresses,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }
@@ -962,6 +958,34 @@ func (x *ListNodesRequest) GetUser() string {
 	return ""
 }
 
+func (x *ListNodesRequest) GetId() uint64 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (x *ListNodesRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *ListNodesRequest) GetHostname() string {
+	if x != nil {
+		return x.Hostname
+	}
+	return ""
+}
+
+func (x *ListNodesRequest) GetIpAddresses() []string {
+	if x != nil {
+		return x.IpAddresses
+	}
+	return nil
+}
+
 type ListNodesResponse struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	Nodes         []*Node                `protobuf:"bytes,1,rep,name=nodes,proto3" json:"nodes,omitempty"`
@@ -1357,19 +1381,22 @@ const file_headscale_v1_node_proto_rawDesc = "" +
 	"\x04node\x18\x01 \x01(\v2\x12.headscale.v1.NodeR\x04node\",\n" +
 	"\x11DeleteNodeRequest\x12\x17\n" +
 	"\anode_id\x18\x01 \x01(\x04R\x06nodeId\"\x14\n" +
-	"\x12DeleteNodeResponse\"`\n" +
+	"\x12DeleteNodeResponse\",\n" +
 	"\x11ExpireNodeRequest\x12\x17\n" +
-	"\anode_id\x18\x01 \x01(\x04R\x06nodeId\x122\n" +
-	"\x06expiry\x18\x02 \x01(\v2\x1a.google.protobuf.TimestampR\x06expiry\"<\n" +
+	"\anode_id\x18\x01 \x01(\x04R\x06nodeId\"<\n" +
 	"\x12ExpireNodeResponse\x12&\n" +
 	"\x04node\x18\x01 \x01(\v2\x12.headscale.v1.NodeR\x04node\"G\n" +
 	"\x11RenameNodeRequest\x12\x17\n" +
 	"\anode_id\x18\x01 \x01(\x04R\x06nodeId\x12\x19\n" +
 	"\bnew_name\x18\x02 \x01(\tR\anewName\"<\n" +
 	"\x12RenameNodeResponse\x12&\n" +
-	"\x04node\x18\x01 \x01(\v2\x12.headscale.v1.NodeR\x04node\"&\n" +
+	"\x04node\x18\x01 \x01(\v2\x12.headscale.v1.NodeR\x04node\"\x89\x01\n" +
 	"\x10ListNodesRequest\x12\x12\n" +
-	"\x04user\x18\x01 \x01(\tR\x04user\"=\n" +
+	"\x04user\x18\x01 \x01(\tR\x04user\x12\x0e\n" +
+	"\x02id\x18\x02 \x01(\x04R\x02id\x12\x12\n" +
+	"\x04name\x18\x03 \x01(\tR\x04name\x12\x1a\n" +
+	"\bhostname\x18\x04 \x01(\tR\bhostname\x12!\n" +
+	"\fip_addresses\x18\x05 \x03(\tR\vipAddresses\"=\n" +
 	"\x11ListNodesResponse\x12(\n" +
 	"\x05nodes\x18\x01 \x03(\v2\x12.headscale.v1.NodeR\x05nodes\">\n" +
 	"\x0fMoveNodeRequest\x12\x17\n" +
@@ -1448,17 +1475,16 @@ var file_headscale_v1_node_proto_depIdxs = []int32{
 	1,  // 7: headscale.v1.GetNodeResponse.node:type_name -> headscale.v1.Node
 	1,  // 8: headscale.v1.SetTagsResponse.node:type_name -> headscale.v1.Node
 	1,  // 9: headscale.v1.SetApprovedRoutesResponse.node:type_name -> headscale.v1.Node
-	25, // 10: headscale.v1.ExpireNodeRequest.expiry:type_name -> google.protobuf.Timestamp
-	1,  // 11: headscale.v1.ExpireNodeResponse.node:type_name -> headscale.v1.Node
-	1,  // 12: headscale.v1.RenameNodeResponse.node:type_name -> headscale.v1.Node
-	1,  // 13: headscale.v1.ListNodesResponse.nodes:type_name -> headscale.v1.Node
-	1,  // 14: headscale.v1.MoveNodeResponse.node:type_name -> headscale.v1.Node
-	1,  // 15: headscale.v1.DebugCreateNodeResponse.node:type_name -> headscale.v1.Node
-	16, // [16:16] is the sub-list for method output_type
-	16, // [16:16] is the sub-list for method input_type
-	16, // [16:16] is the sub-list for extension type_name
-	16, // [16:16] is the sub-list for extension extendee
-	0,  // [0:16] is the sub-list for field type_name
+	1,  // 10: headscale.v1.ExpireNodeResponse.node:type_name -> headscale.v1.Node
+	1,  // 11: headscale.v1.RenameNodeResponse.node:type_name -> headscale.v1.Node
+	1,  // 12: headscale.v1.ListNodesResponse.nodes:type_name -> headscale.v1.Node
+	1,  // 13: headscale.v1.MoveNodeResponse.node:type_name -> headscale.v1.Node
+	1,  // 14: headscale.v1.DebugCreateNodeResponse.node:type_name -> headscale.v1.Node
+	15, // [15:15] is the sub-list for method output_type
+	15, // [15:15] is the sub-list for method input_type
+	15, // [15:15] is the sub-list for extension type_name
+	15, // [15:15] is the sub-list for extension extendee
+	0,  // [0:15] is the sub-list for field type_name
 }
 
 func init() { file_headscale_v1_node_proto_init() }

gen/go/headscale/v1/policy.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.10
+// 	protoc-gen-go v1.36.6
 // 	protoc        (unknown)
 // source: headscale/v1/policy.proto
 

gen/go/headscale/v1/preauthkey.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.10
+// 	protoc-gen-go v1.36.6
 // 	protoc        (unknown)
 // source: headscale/v1/preauthkey.proto
 

gen/go/headscale/v1/user.pb.go

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.36.10
+// 	protoc-gen-go v1.36.6
 // 	protoc        (unknown)
 // source: headscale/v1/user.proto
 

gen/openapiv2/headscale/v1/headscale.swagger.json

@@ -164,29 +164,6 @@
         ]
       }
     },
-    "/api/v1/health": {
-      "get": {
-        "summary": "--- Health start ---",
-        "operationId": "HeadscaleService_Health",
-        "responses": {
-          "200": {
-            "description": "A successful response.",
-            "schema": {
-              "$ref": "#/definitions/v1HealthResponse"
-            }
-          },
-          "default": {
-            "description": "An unexpected error response.",
-            "schema": {
-              "$ref": "#/definitions/rpcStatus"
-            }
-          }
-        },
-        "tags": [
-          "HeadscaleService"
-        ]
-      }
-    },
     "/api/v1/node": {
       "get": {
         "operationId": "HeadscaleService_ListNodes",
@@ -210,6 +187,35 @@
             "in": "query",
             "required": false,
             "type": "string"
+          },
+          {
+            "name": "id",
+            "in": "query",
+            "required": false,
+            "type": "string",
+            "format": "uint64"
+          },
+          {
+            "name": "name",
+            "in": "query",
+            "required": false,
+            "type": "string"
+          },
+          {
+            "name": "hostname",
+            "in": "query",
+            "required": false,
+            "type": "string"
+          },
+          {
+            "name": "ipAddresses",
+            "in": "query",
+            "required": false,
+            "type": "array",
+            "items": {
+              "type": "string"
+            },
+            "collectionFormat": "multi"
           }
         ],
         "tags": [
@@ -406,13 +412,6 @@
             "required": true,
             "type": "string",
             "format": "uint64"
-          },
-          {
-            "name": "expiry",
-            "in": "query",
-            "required": false,
-            "type": "string",
-            "format": "date-time"
           }
         ],
         "tags": [
@@ -1086,14 +1085,6 @@
         }
       }
     },
-    "v1HealthResponse": {
-      "type": "object",
-      "properties": {
-        "databaseConnectivity": {
-          "type": "boolean"
-        }
-      }
-    },
     "v1ListApiKeysResponse": {
       "type": "object",
       "properties": {

go.mod

@@ -1,59 +1,62 @@
 module github.com/juanfont/headscale
 
-go 1.25
+go 1.24.0
+
+toolchain go1.24.2
 
 require (
-	github.com/arl/statsviz v0.7.2
-	github.com/cenkalti/backoff/v5 v5.0.3
-	github.com/chasefleming/elem-go v0.31.0
-	github.com/coder/websocket v1.8.14
-	github.com/coreos/go-oidc/v3 v3.16.0
-	github.com/creachadair/command v0.2.0
+	github.com/AlecAivazis/survey/v2 v2.3.7
+	github.com/arl/statsviz v0.6.0
+	github.com/cenkalti/backoff/v5 v5.0.2
+	github.com/chasefleming/elem-go v0.30.0
+	github.com/coder/websocket v1.8.13
+	github.com/coreos/go-oidc/v3 v3.14.1
+	github.com/creachadair/command v0.1.22
 	github.com/creachadair/flax v0.0.5
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc
-	github.com/docker/docker v28.5.1+incompatible
+	github.com/docker/docker v28.2.2+incompatible
 	github.com/fsnotify/fsnotify v1.9.0
 	github.com/glebarez/sqlite v1.11.0
-	github.com/go-gormigrate/gormigrate/v2 v2.1.5
-	github.com/go-json-experiment/json v0.0.0-20250813024750-ebf49471dced
+	github.com/go-gormigrate/gormigrate/v2 v2.1.4
 	github.com/gofrs/uuid/v5 v5.3.2
 	github.com/google/go-cmp v0.7.0
 	github.com/gorilla/mux v1.8.1
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.3
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.0
 	github.com/jagottsicher/termcolor v1.0.2
+	github.com/klauspost/compress v1.18.0
 	github.com/oauth2-proxy/mockoidc v0.0.0-20240214162133-caebfff84d25
 	github.com/ory/dockertest/v3 v3.12.0
 	github.com/philip-bui/grpc-zerolog v1.0.1
 	github.com/pkg/profile v1.7.0
-	github.com/prometheus/client_golang v1.23.2
-	github.com/prometheus/common v0.66.1
-	github.com/pterm/pterm v0.12.82
-	github.com/puzpuzpuz/xsync/v4 v4.2.0
+	github.com/prometheus/client_golang v1.22.0
+	github.com/prometheus/common v0.65.0
+	github.com/pterm/pterm v0.12.81
+	github.com/puzpuzpuz/xsync/v4 v4.1.0
 	github.com/rs/zerolog v1.34.0
-	github.com/samber/lo v1.52.0
-	github.com/sasha-s/go-deadlock v0.3.6
-	github.com/spf13/cobra v1.10.1
-	github.com/spf13/viper v1.21.0
-	github.com/stretchr/testify v1.11.1
+	github.com/samber/lo v1.51.0
+	github.com/sasha-s/go-deadlock v0.3.5
+	github.com/spf13/cobra v1.9.1
+	github.com/spf13/viper v1.20.1
+	github.com/stretchr/testify v1.10.0
 	github.com/tailscale/hujson v0.0.0-20250226034555-ec1d1c113d33
-	github.com/tailscale/squibble v0.0.0-20251030164342-4d5df9caa993
+	github.com/tailscale/squibble v0.0.0-20250108170732-a4ca58afa694
 	github.com/tailscale/tailsql v0.0.0-20250421235516-02f85f087b97
 	github.com/tcnksm/go-latest v0.0.0-20170313132115-e3007ae9052e
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
-	golang.org/x/crypto v0.43.0
-	golang.org/x/exp v0.0.0-20251009144603-d2f985daa21b
-	golang.org/x/net v0.46.0
-	golang.org/x/oauth2 v0.32.0
-	golang.org/x/sync v0.17.0
-	google.golang.org/genproto/googleapis/api v0.0.0-20250929231259-57b25ae835d4
-	google.golang.org/grpc v1.75.1
-	google.golang.org/protobuf v1.36.10
+	golang.org/x/crypto v0.39.0
+	golang.org/x/exp v0.0.0-20250408133849-7e4ce0ab07d0
+	golang.org/x/net v0.41.0
+	golang.org/x/oauth2 v0.30.0
+	golang.org/x/sync v0.15.0
+	google.golang.org/genproto/googleapis/api v0.0.0-20250603155806-513f23925822
+	google.golang.org/grpc v1.73.0
+	google.golang.org/protobuf v1.36.6
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c
 	gopkg.in/yaml.v3 v3.0.1
 	gorm.io/driver/postgres v1.6.0
-	gorm.io/gorm v1.31.0
-	tailscale.com v1.86.5
-	zgo.at/zcache/v2 v2.4.1
+	gorm.io/gorm v1.30.0
+	tailscale.com v1.84.2
+	zgo.at/zcache/v2 v2.2.0
 	zombiezen.com/go/postgrestest v1.0.1
 )
 
@@ -75,17 +78,17 @@ require (
 // together, e.g:
 // go get modernc.org/libc@v1.55.3 modernc.org/sqlite@v1.33.1
 require (
-	modernc.org/libc v1.66.10 // indirect
+	modernc.org/libc v1.62.1 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
-	modernc.org/memory v1.11.0 // indirect
-	modernc.org/sqlite v1.39.1
+	modernc.org/memory v1.10.0 // indirect
+	modernc.org/sqlite v1.37.0
 )
 
 require (
 	atomicgo.dev/cursor v0.2.0 // indirect
 	atomicgo.dev/keyboard v0.2.9 // indirect
 	atomicgo.dev/schedule v0.1.0 // indirect
-	dario.cat/mergo v1.0.2 // indirect
+	dario.cat/mergo v1.0.1 // indirect
 	filippo.io/edwards25519 v1.1.0 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c // indirect
 	github.com/Microsoft/go-winio v0.6.2 // indirect
@@ -109,18 +112,17 @@ require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/clipperhouse/uax29/v2 v2.2.0 // indirect
 	github.com/containerd/console v1.0.5 // indirect
 	github.com/containerd/continuity v0.4.5 // indirect
 	github.com/containerd/errdefs v0.3.0 // indirect
 	github.com/containerd/errdefs/pkg v0.3.0 // indirect
 	github.com/coreos/go-iptables v0.7.1-0.20240112124308-65c67c9f46e6 // indirect
-	github.com/creachadair/mds v0.25.10 // indirect
+	github.com/creachadair/mds v0.24.3 // indirect
 	github.com/dblohm7/wingoes v0.0.0-20240123200102-b75a8a7d7eb0 // indirect
 	github.com/digitalocean/go-smbios v0.0.0-20180907143718-390a4f403a8e // indirect
 	github.com/distribution/reference v0.6.0 // indirect
-	github.com/docker/cli v28.5.1+incompatible // indirect
-	github.com/docker/go-connections v0.6.0 // indirect
+	github.com/docker/cli v28.1.1+incompatible // indirect
+	github.com/docker/go-connections v0.5.0 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/felixge/fgprof v0.9.5 // indirect
@@ -129,12 +131,14 @@ require (
 	github.com/gaissmai/bart v0.18.0 // indirect
 	github.com/glebarez/go-sqlite v1.22.0 // indirect
 	github.com/go-jose/go-jose/v3 v3.0.4 // indirect
-	github.com/go-jose/go-jose/v4 v4.1.3 // indirect
-	github.com/go-logr/logr v1.4.3 // indirect
+	github.com/go-jose/go-jose/v4 v4.1.0 // indirect
+	github.com/go-json-experiment/json v0.0.0-20250223041408-d3c622f1b874 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
-	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
 	github.com/godbus/dbus/v5 v5.1.1-0.20230522191255-76236955d466 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang-jwt/jwt/v5 v5.2.2 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
@@ -142,10 +146,12 @@ require (
 	github.com/google/go-github v17.0.0+incompatible // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/nftables v0.2.1-0.20240414091927-5e242ec57806 // indirect
-	github.com/google/pprof v0.0.0-20251007162407-5df77e3f7d1d // indirect
+	github.com/google/pprof v0.0.0-20250501235452-c0086092b71a // indirect
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/gookit/color v1.6.0 // indirect
+	github.com/gookit/color v1.5.4 // indirect
+	github.com/gorilla/csrf v1.7.3 // indirect
+	github.com/gorilla/securecookie v1.1.2 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/hashicorp/go-version v1.7.0 // indirect
 	github.com/hdevalence/ed25519consensus v0.2.0 // indirect
@@ -153,24 +159,25 @@ require (
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
-	github.com/jackc/pgx/v5 v5.7.6 // indirect
+	github.com/jackc/pgx/v5 v5.7.4 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/jsimonetti/rtnetlink v1.4.1 // indirect
-	github.com/klauspost/compress v1.18.1 // indirect
+	github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/lib/pq v1.10.9 // indirect
 	github.com/lithammer/fuzzysearch v1.1.8 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/mattn/go-runewidth v0.0.19 // indirect
+	github.com/mattn/go-runewidth v0.0.16 // indirect
 	github.com/mdlayher/genetlink v1.3.2 // indirect
 	github.com/mdlayher/netlink v1.7.3-0.20250113171957-fbb4dce95f42 // indirect
 	github.com/mdlayher/sdnotify v1.0.0 // indirect
 	github.com/mdlayher/socket v0.5.0 // indirect
+	github.com/mgutz/ansi v0.0.0-20200706080929-d51e80ef957d // indirect
 	github.com/miekg/dns v1.1.58 // indirect
 	github.com/mitchellh/go-ps v1.0.0 // indirect
 	github.com/moby/docker-image-spec v1.3.1 // indirect
@@ -179,25 +186,27 @@ require (
 	github.com/moby/term v0.5.2 // indirect
 	github.com/morikuni/aec v1.0.0 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/ncruces/go-strftime v1.0.0 // indirect
+	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
 	github.com/opencontainers/image-spec v1.1.1 // indirect
-	github.com/opencontainers/runc v1.3.2 // indirect
+	github.com/opencontainers/runc v1.3.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
-	github.com/petermattis/goid v0.0.0-20250904145737-900bdf8bb490 // indirect
+	github.com/petermattis/goid v0.0.0-20250319124200-ccd6737f222a // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/prometheus-community/pro-bing v0.4.0 // indirect
 	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/procfs v0.16.1 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
 	github.com/rogpeppe/go-internal v1.14.1 // indirect
 	github.com/safchain/ethtool v0.3.0 // indirect
-	github.com/sagikazarmark/locafero v0.12.0 // indirect
+	github.com/sagikazarmark/locafero v0.9.0 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
-	github.com/spf13/afero v1.15.0 // indirect
-	github.com/spf13/cast v1.10.0 // indirect
-	github.com/spf13/pflag v1.0.10 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.14.0 // indirect
+	github.com/spf13/cast v1.8.0 // indirect
+	github.com/spf13/pflag v1.0.6 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/tailscale/certstore v0.1.1-0.20231202035212-d3fa0460f47e // indirect
 	github.com/tailscale/go-winio v0.0.0-20231025203758-c4f33415bf55 // indirect
@@ -206,8 +215,8 @@ require (
 	github.com/tailscale/peercred v0.0.0-20250107143737-35a0c7bd7edc // indirect
 	github.com/tailscale/setec v0.0.0-20250305161714-445cadbbca3d // indirect
 	github.com/tailscale/web-client-prebuilt v0.0.0-20250124233751-d4cd19a26976 // indirect
-	github.com/tailscale/wireguard-go v0.0.0-20250716170648-1d0488a3d7da // indirect
-	github.com/vishvananda/netns v0.0.5 // indirect
+	github.com/tailscale/wireguard-go v0.0.0-20250304000100-91a0587fb251 // indirect
+	github.com/vishvananda/netns v0.0.4 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
@@ -215,26 +224,21 @@ require (
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.58.0 // indirect
-	go.opentelemetry.io/otel v1.37.0 // indirect
+	go.opentelemetry.io/otel v1.36.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.36.0 // indirect
-	go.opentelemetry.io/otel/metric v1.37.0 // indirect
-	go.opentelemetry.io/otel/trace v1.37.0 // indirect
-	go.yaml.in/yaml/v2 v2.4.2 // indirect
-	go.yaml.in/yaml/v3 v3.0.4 // indirect
+	go.opentelemetry.io/otel/metric v1.36.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.36.0 // indirect
+	go.opentelemetry.io/otel/trace v1.36.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
 	go4.org/mem v0.0.0-20240501181205-ae6ca9944745 // indirect
-	golang.org/x/mod v0.29.0 // indirect
-	golang.org/x/sys v0.37.0 // indirect
-	golang.org/x/term v0.36.0 // indirect
-	golang.org/x/text v0.30.0 // indirect
-	golang.org/x/time v0.11.0 // indirect
-	golang.org/x/tools v0.38.0 // indirect
+	golang.org/x/mod v0.25.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/term v0.32.0 // indirect
+	golang.org/x/text v0.26.0 // indirect
+	golang.org/x/time v0.10.0 // indirect
+	golang.org/x/tools v0.33.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
 	golang.zx2c4.com/wireguard/windows v0.5.3 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250929231259-57b25ae835d4 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250603155806-513f23925822 // indirect
 	gvisor.dev/gvisor v0.0.0-20250205023644-9414b50a5633 // indirect
 )
-
-tool (
-	golang.org/x/tools/cmd/stringer
-	tailscale.com/cmd/viewer
-)

go.sum

@@ -8,12 +8,14 @@ atomicgo.dev/keyboard v0.2.9 h1:tOsIid3nlPLZ3lwgG8KZMp/SFmr7P0ssEN5JUsm78K8=
 atomicgo.dev/keyboard v0.2.9/go.mod h1:BC4w9g00XkxH/f1HXhW2sXmJFOCWbKn9xrOunSFtExQ=
 atomicgo.dev/schedule v0.1.0 h1:nTthAbhZS5YZmgYbb2+DH8uQIZcTlIrd4eYr3UQxEjs=
 atomicgo.dev/schedule v0.1.0/go.mod h1:xeUa3oAkiuHYh8bKiQBRojqAMq3PXXbJujjb0hw8pEU=
-dario.cat/mergo v1.0.2 h1:85+piFYR1tMbRrLcDwR18y4UKJ3aH1Tbzi24VRW1TK8=
-dario.cat/mergo v1.0.2/go.mod h1:E/hbnu0NxMFBjpMIE34DRGLWqDy0g5FuKDhCb31ngxA=
+dario.cat/mergo v1.0.1 h1:Ra4+bf83h2ztPIQYNP99R6m+Y7KfnARDfID+a+vLl4s=
+dario.cat/mergo v1.0.1/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
 filippo.io/mkcert v1.4.4 h1:8eVbbwfVlaqUM7OwuftKc2nuYOoTDQWqsoXmzoXZdbc=
 filippo.io/mkcert v1.4.4/go.mod h1:VyvOchVuAye3BoUsPUOOofKygVwLV2KQMVFJNRq+1dA=
+github.com/AlecAivazis/survey/v2 v2.3.7 h1:6I/u8FvytdGsgonrYsVn2t8t4QiRnh6QSTqkkhIiSjQ=
+github.com/AlecAivazis/survey/v2 v2.3.7/go.mod h1:xUTIdE4KCOIjsBAE1JYsUPoCqYdZ1reCfTwbto0Fduo=
 github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c h1:udKWzYgxTojEKWjV8V+WSxDXJ4NFATAsZjh8iIbsQIg=
 github.com/Azure/go-ansiterm v0.0.0-20250102033503-faa5f7b0171c/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
 github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c h1:pxW6RcqyfI9/kWtOwnv/G+AzdKuy2ZrqINhenH4HyNs=
@@ -29,6 +31,8 @@ github.com/MarvinJWendt/testza v0.5.2 h1:53KDo64C1z/h/d/stCYCPY69bt/OSwjq5KpFNwi
 github.com/MarvinJWendt/testza v0.5.2/go.mod h1:xu53QFE5sCdjtMCKk8YMQ2MnymimEctc4n3EjyIYvEY=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
 github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
+github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2 h1:+vx7roKuyA63nhn5WAunQHLTznkw5W8b1Xc0dNjp83s=
+github.com/Netflix/go-expect v0.0.0-20220104043353-73e0943537d2/go.mod h1:HBCaDeC1lPdgDeDbhX8XFpy1jqjK0IBG8W5K+xYqA0w=
 github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 h1:TngWCqHvy9oXAN6lEVMRuU21PR1EtLVZJmdB18Gu3Rw=
 github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5/go.mod h1:lmUJ/7eu/Q8D7ML55dXQrVaamCz2vxCfdQBasLZfHKk=
 github.com/akutz/memconn v0.1.0 h1:NawI0TORU4hcOMsMr11g7vwlCdkYeLKXBcxWu2W/P8A=
@@ -37,8 +41,8 @@ github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa h1:LHTHcTQiSGT7V
 github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4=
 github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8=
 github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4=
-github.com/arl/statsviz v0.7.2 h1:xnuIfRiXE4kvxEcfGL+IE3mKH1BXNHuE+eJELIh7oOA=
-github.com/arl/statsviz v0.7.2/go.mod h1:XlrbiT7xYT03xaW9JMMfD8KFUhBOESJwfyNJu83PbB0=
+github.com/arl/statsviz v0.6.0 h1:jbW1QJkEYQkufd//4NDYRSNBpwJNrdzPahF7ZmoGdyE=
+github.com/arl/statsviz v0.6.0/go.mod h1:0toboo+YGSUXDaS4g1D5TVS4dXs7S7YYT5J/qnW2h8s=
 github.com/atomicgo/cursor v0.0.1/go.mod h1:cBON2QmmrysudxNBFthvMtN32r3jxVRIvzkUiF/RuIk=
 github.com/aws/aws-sdk-go-v2 v1.36.0 h1:b1wM5CcE65Ujwn565qcwgtOTT1aT4ADOHHgglKjG7fk=
 github.com/aws/aws-sdk-go-v2 v1.36.0/go.mod h1:5PMILGVKiW32oDzjj6RU52yrNrDPUHcbZQYr1sM7qmM=
@@ -82,12 +86,12 @@ github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
-github.com/cenkalti/backoff/v5 v5.0.3 h1:ZN+IMa753KfX5hd8vVaMixjnqRZ3y8CuJKRKj1xcsSM=
-github.com/cenkalti/backoff/v5 v5.0.3/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
+github.com/cenkalti/backoff/v5 v5.0.2 h1:rIfFVxEf1QsI7E1ZHfp/B4DF/6QBAUhmgkxc0H7Zss8=
+github.com/cenkalti/backoff/v5 v5.0.2/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
-github.com/chasefleming/elem-go v0.31.0 h1:vZsuKmKdv6idnUbu3awMruxTiFqZ/ertFJFAyBCkVhI=
-github.com/chasefleming/elem-go v0.31.0/go.mod h1:UBmmZfso2LkXA0HZInbcwsmhE/LXFClEcBPNCGeARtA=
+github.com/chasefleming/elem-go v0.30.0 h1:BlhV1ekv1RbFiM8XZUQeln1Ikb4D+bu2eDO4agREvok=
+github.com/chasefleming/elem-go v0.30.0/go.mod h1:hz73qILBIKnTgOujnSMtEj20/epI+f6vg71RUilJAA4=
 github.com/chromedp/cdproto v0.0.0-20230802225258-3cf4e6d46a89/go.mod h1:GKljq0VrfU4D5yc+2qA6OVr8pmO/MBbPEWqWQ/oqGEs=
 github.com/chromedp/chromedp v0.9.2/go.mod h1:LkSXJKONWTCHAfQasKFUZI+mxqS4tZqhmtGzzhLsnLs=
 github.com/chromedp/sysutil v1.0.0/go.mod h1:kgWmDdq8fTzXYcKIBqIYvRRTnYb9aNS9moAV0xufSww=
@@ -99,10 +103,8 @@ github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMn
 github.com/chzyer/test v1.0.0/go.mod h1:2JlltgoNkt4TW/z9V/IzDdFaMTM2JPIi26O1pF38GC8=
 github.com/cilium/ebpf v0.17.3 h1:FnP4r16PWYSE4ux6zN+//jMcW4nMVRvuTLVTvCjyyjg=
 github.com/cilium/ebpf v0.17.3/go.mod h1:G5EDHij8yiLzaqn0WjyfJHvRa+3aDlReIaLVRMvOyJk=
-github.com/clipperhouse/uax29/v2 v2.2.0 h1:ChwIKnQN3kcZteTXMgb1wztSgaU+ZemkgWdohwgs8tY=
-github.com/clipperhouse/uax29/v2 v2.2.0/go.mod h1:EFJ2TJMRUaplDxHKj1qAEhCtQPW2tJSwu5BF98AuoVM=
-github.com/coder/websocket v1.8.14 h1:9L0p0iKiNOibykf283eHkKUHHrpG7f65OE3BhhO7v9g=
-github.com/coder/websocket v1.8.14/go.mod h1:NX3SzP+inril6yawo5CQXx8+fk145lPDC6pumgx0mVg=
+github.com/coder/websocket v1.8.13 h1:f3QZdXy7uGVz+4uCJy2nTZyM0yTBj8yANEHhqlXZ9FE=
+github.com/coder/websocket v1.8.13/go.mod h1:LNVeNrXQZfe5qhS9ALED3uA+l5pPqvwXg3CKoDBB2gs=
 github.com/containerd/console v1.0.3/go.mod h1:7LqA/THxQ86k76b8c/EMSiaJ3h1eZkMkXar0TQ1gf3U=
 github.com/containerd/console v1.0.5 h1:R0ymNeydRqH2DmakFNdmjR2k0t7UPuiOV/N/27/qqsc=
 github.com/containerd/console v1.0.5/go.mod h1:YynlIjWYF8myEu6sdkwKIvGQq+cOckRm6So2avqoYAk=
@@ -116,21 +118,20 @@ github.com/containerd/log v0.1.0 h1:TCJt7ioM2cr/tfR8GPbGf9/VRAX8D2B4PjzCpfX540I=
 github.com/containerd/log v0.1.0/go.mod h1:VRRf09a7mHDIRezVKTRCrOq78v577GXq3bSa3EhrzVo=
 github.com/coreos/go-iptables v0.7.1-0.20240112124308-65c67c9f46e6 h1:8h5+bWd7R6AYUslN6c6iuZWTKsKxUFDlpnmilO6R2n0=
 github.com/coreos/go-iptables v0.7.1-0.20240112124308-65c67c9f46e6/go.mod h1:Qe8Bv2Xik5FyTXwgIbLAnv2sWSBmvWdFETJConOQ//Q=
-github.com/coreos/go-oidc/v3 v3.16.0 h1:qRQUCFstKpXwmEjDQTIbyY/5jF00+asXzSkmkoa/mow=
-github.com/coreos/go-oidc/v3 v3.16.0/go.mod h1:wqPbKFrVnE90vty060SB40FCJ8fTHTxSwyXJqZH+sI8=
+github.com/coreos/go-oidc/v3 v3.14.1 h1:9ePWwfdwC4QKRlCXsJGou56adA/owXczOzwKdOumLqk=
+github.com/coreos/go-oidc/v3 v3.14.1/go.mod h1:HaZ3szPaZ0e4r6ebqvsLWlk2Tn+aejfmrfah6hnSYEU=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
-github.com/creachadair/command v0.2.0 h1:qTA9cMMhZePAxFoNdnk6F6nn94s1qPndIg9hJbqI9cA=
-github.com/creachadair/command v0.2.0/go.mod h1:j+Ar+uYnFsHpkMeV9kGj6lJ45y9u2xqtg8FYy6cm+0o=
+github.com/creachadair/command v0.1.22 h1:WmdrURwZdmPD1jm13SjKooaMoqo7mW1qI2BPCShs154=
+github.com/creachadair/command v0.1.22/go.mod h1:YFc+OMGucqTpxwQg/iJnNg8BMNmRPDK60rYy8ckgKwE=
 github.com/creachadair/flax v0.0.5 h1:zt+CRuXQASxwQ68e9GHAOnEgAU29nF0zYMHOCrL5wzE=
 github.com/creachadair/flax v0.0.5/go.mod h1:F1PML0JZLXSNDMNiRGK2yjm5f+L9QCHchyHBldFymj8=
-github.com/creachadair/mds v0.25.2 h1:xc0S0AfDq5GX9KUR5sLvi5XjA61/P6S5e0xFs1vA18Q=
-github.com/creachadair/mds v0.25.2/go.mod h1:+s4CFteFRj4eq2KcGHW8Wei3u9NyzSPzNV32EvjyK/Q=
-github.com/creachadair/mds v0.25.10 h1:9k9JB35D1xhOCFl0liBhagBBp8fWWkKZrA7UXsfoHtA=
-github.com/creachadair/mds v0.25.10/go.mod h1:4hatI3hRM+qhzuAmqPRFvaBM8mONkS7nsLxkcuTYUIs=
+github.com/creachadair/mds v0.24.3 h1:X7cM2ymZSyl4IVWnfyXLxRXMJ6awhbcWvtLPhfnTaqI=
+github.com/creachadair/mds v0.24.3/go.mod h1:0oeHt9QWu8VfnmskOL4zi2CumjEvB29ScmtOmdrhFeU=
 github.com/creachadair/taskgroup v0.13.2 h1:3KyqakBuFsm3KkXi/9XIb0QcA8tEzLHLgaoidf0MdVc=
 github.com/creachadair/taskgroup v0.13.2/go.mod h1:i3V1Zx7H8RjwljUEeUWYT30Lmb9poewSb2XI1yTwD0g=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/creack/pty v1.1.17/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
 github.com/creack/pty v1.1.23 h1:4M6+isWdcStXEf15G/RbrMPOQj1dZ7HPZCGwE4kOeP0=
 github.com/creack/pty v1.1.23/go.mod h1:08sCNb52WyoAwi2QDyzUCTgcvVFhUzewun7wtTfvcwE=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -145,14 +146,16 @@ github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5Qvfr
 github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
 github.com/djherbis/times v1.6.0 h1:w2ctJ92J8fBvWPxugmXIv7Nz7Q3iDMKNx9v5ocVH20c=
 github.com/djherbis/times v1.6.0/go.mod h1:gOHeRAz2h+VJNZ5Gmc/o7iD9k4wW7NMVqieYCY99oc0=
-github.com/docker/cli v28.5.1+incompatible h1:ESutzBALAD6qyCLqbQSEf1a/U8Ybms5agw59yGVc+yY=
-github.com/docker/cli v28.5.1+incompatible/go.mod h1:JLrzqnKDaYBop7H2jaqPtU4hHvMKP+vjCwu2uszcLI8=
-github.com/docker/docker v28.5.1+incompatible h1:Bm8DchhSD2J6PsFzxC35TZo4TLGR2PdW/E69rU45NhM=
-github.com/docker/docker v28.5.1+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
-github.com/docker/go-connections v0.6.0 h1:LlMG9azAe1TqfR7sO+NJttz1gy6KO7VJBh+pMmjSD94=
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@@ -174,25 +177,25 @@ github.com/glebarez/go-sqlite v1.22.0 h1:uAcMJhaA6r3LHMTFgP0SifzgXg46yJkgxqyuyec
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@@ -203,6 +206,8 @@ github.com/godbus/dbus/v5 v5.1.1-0.20230522191255-76236955d466 h1:sQspH8M4niEijh
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@@ -221,32 +226,38 @@ github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD
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@@ -259,8 +270,8 @@ github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsI
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@@ -278,10 +289,12 @@ github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfC
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@@ -308,16 +321,18 @@ github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
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@@ -354,16 +372,16 @@ github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8
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@@ -380,14 +398,14 @@ github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRI
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@@ -443,8 +464,8 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
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@@ -465,16 +486,14 @@ github.com/tailscale/setec v0.0.0-20250305161714-445cadbbca3d h1:mnqtPWYyvNiPU9l
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@@ -488,8 +507,8 @@ github.com/u-root/u-root v0.14.0/go.mod h1:hAyZorapJe4qzbLWlAkmSVCJGbfoU9Pu4jpJ1
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@@ -502,70 +521,80 @@ github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQ
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@@ -586,8 +615,8 @@ golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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@@ -595,40 +624,43 @@ golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuX
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@@ -644,8 +676,8 @@ gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
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@@ -654,37 +686,35 @@ honnef.co/go/tools v0.6.1 h1:R094WgE8K4JirYjBaOpz/AvTyUu/3wbmAoskKN/pxTI=
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 howett.net/plist v1.0.0/go.mod h1:lqaXoTrLY4hg8tnEzNru53gicrbv7rrk+2xJA/7hw9g=
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-modernc.org/cc/v4 v4.26.5/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
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-modernc.org/ccgo/v4 v4.28.1/go.mod h1:uD+4RnfrVgE6ec9NGguUNdhqzNIeeomeXf6CL0GTE5Q=
-modernc.org/fileutil v1.3.40 h1:ZGMswMNc9JOCrcrakF1HrvmergNLAmxOPjizirpfqBA=
-modernc.org/fileutil v1.3.40/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc=
+modernc.org/cc/v4 v4.25.2 h1:T2oH7sZdGvTaie0BRNFbIYsabzCxUQg8nLqCdQ2i0ic=
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+modernc.org/fileutil v1.3.0/go.mod h1:XatxS8fZi3pS8/hKG2GH/ArUogfxjpEKs3Ku3aK4JyQ=
 modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI=
 modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
-modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks=
-modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI=
-modernc.org/libc v1.66.10 h1:yZkb3YeLx4oynyR+iUsXsybsX4Ubx7MQlSYEw4yj59A=
-modernc.org/libc v1.66.10/go.mod h1:8vGSEwvoUoltr4dlywvHqjtAqHBaw0j1jI7iFBTAr2I=
+modernc.org/libc v1.62.1 h1:s0+fv5E3FymN8eJVmnk0llBe6rOxCu/DEU+XygRbS8s=
+modernc.org/libc v1.62.1/go.mod h1:iXhATfJQLjG3NWy56a6WVU73lWOcdYVxsvwCgoPljuo=
 modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
 modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
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-modernc.org/memory v1.11.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
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 modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
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 modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
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 modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
 software.sslmate.com/src/go-pkcs12 v0.4.0 h1:H2g08FrTvSFKUj+D309j1DPfk5APnIdAQAB8aEykJ5k=
 software.sslmate.com/src/go-pkcs12 v0.4.0/go.mod h1:Qiz0EyvDRJjjxGyUQa2cCNZn/wMyzrRJ/qcDXOQazLI=
-tailscale.com v1.86.5 h1:yBtWFjuLYDmxVnfnvPbZNZcKADCYgNfMd0rUAOA9XCs=
-tailscale.com v1.86.5/go.mod h1:Lm8dnzU2i/Emw15r6sl3FRNp/liSQ/nYw6ZSQvIdZ1M=
-zgo.at/zcache/v2 v2.4.1 h1:Dfjoi8yI0Uq7NCc4lo2kaQJJmp9Mijo21gef+oJstbY=
-zgo.at/zcache/v2 v2.4.1/go.mod h1:gyCeoLVo01QjDZynjime8xUGHHMbsLiPyUTBpDGd4Gk=
+tailscale.com v1.84.2 h1:v6aM4RWUgYiV52LRAx6ET+dlGnvO/5lnqPXb7/pMnR0=
+tailscale.com v1.84.2/go.mod h1:6/S63NMAhmncYT/1zIPDJkvCuZwMw+JnUuOfSPNazpo=
+zgo.at/zcache/v2 v2.2.0 h1:K29/IPjMniZfveYE+IRXfrl11tMzHkIPuyGrfVZ2fGo=
+zgo.at/zcache/v2 v2.2.0/go.mod h1:gyCeoLVo01QjDZynjime8xUGHHMbsLiPyUTBpDGd4Gk=
 zombiezen.com/go/postgrestest v1.0.1 h1:aXoADQAJmZDU3+xilYVut0pHhgc0sF8ZspPW9gFNwP4=
 zombiezen.com/go/postgrestest v1.0.1/go.mod h1:marlZezr+k2oSJrvXHnZUs1olHqpE9czlz8ZYkVxliQ=

hscontrol/app.go

@@ -17,7 +17,6 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/cenkalti/backoff/v5"
 	"github.com/davecgh/go-spew/spew"
 	"github.com/gorilla/mux"
 	grpcRuntime "github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
@@ -29,15 +28,14 @@ import (
 	derpServer "github.com/juanfont/headscale/hscontrol/derp/server"
 	"github.com/juanfont/headscale/hscontrol/dns"
 	"github.com/juanfont/headscale/hscontrol/mapper"
+	"github.com/juanfont/headscale/hscontrol/notifier"
 	"github.com/juanfont/headscale/hscontrol/state"
 	"github.com/juanfont/headscale/hscontrol/types"
-	"github.com/juanfont/headscale/hscontrol/types/change"
 	"github.com/juanfont/headscale/hscontrol/util"
 	zerolog "github.com/philip-bui/grpc-zerolog"
 	"github.com/pkg/profile"
 	zl "github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
-	"github.com/sasha-s/go-deadlock"
 	"golang.org/x/crypto/acme"
 	"golang.org/x/crypto/acme/autocert"
 	"golang.org/x/sync/errgroup"
@@ -66,19 +64,6 @@ var (
 	)
 )
 
-var (
-	debugDeadlock        = envknob.Bool("HEADSCALE_DEBUG_DEADLOCK")
-	debugDeadlockTimeout = envknob.RegisterDuration("HEADSCALE_DEBUG_DEADLOCK_TIMEOUT")
-)
-
-func init() {
-	deadlock.Opts.Disable = !debugDeadlock
-	if debugDeadlock {
-		deadlock.Opts.DeadlockTimeout = debugDeadlockTimeout()
-		deadlock.Opts.PrintAllCurrentGoroutines = true
-	}
-}
-
 const (
 	AuthPrefix         = "Bearer "
 	updateInterval     = 5 * time.Second
@@ -97,10 +82,11 @@ type Headscale struct {
 
 	// Things that generate changes
 	extraRecordMan *dns.ExtraRecordsMan
+	mapper         *mapper.Mapper
+	nodeNotifier   *notifier.Notifier
 	authProvider   AuthProvider
-	mapBatcher     mapper.Batcher
 
-	clientStreamsOpen sync.WaitGroup
+	pollNetMapStreamWG sync.WaitGroup
 }
 
 var (
@@ -129,29 +115,34 @@ func NewHeadscale(cfg *types.Config) (*Headscale, error) {
 	}
 
 	app := Headscale{
-		cfg:               cfg,
-		noisePrivateKey:   noisePrivateKey,
-		clientStreamsOpen: sync.WaitGroup{},
-		state:             s,
+		cfg:                cfg,
+		noisePrivateKey:    noisePrivateKey,
+		pollNetMapStreamWG: sync.WaitGroup{},
+		nodeNotifier:       notifier.NewNotifier(cfg),
+		state:              s,
 	}
 
 	// Initialize ephemeral garbage collector
 	ephemeralGC := db.NewEphemeralGarbageCollector(func(ni types.NodeID) {
-		node, ok := app.state.GetNodeByID(ni)
-		if !ok {
-			log.Error().Uint64("node.id", ni.Uint64()).Msg("Ephemeral node deletion failed")
-			log.Debug().Caller().Uint64("node.id", ni.Uint64()).Msg("Ephemeral node deletion failed because node not found in NodeStore")
+		node, err := app.state.GetNodeByID(ni)
+		if err != nil {
+			log.Err(err).Uint64("node.id", ni.Uint64()).Msgf("failed to get ephemeral node for deletion")
 			return
 		}
 
 		policyChanged, err := app.state.DeleteNode(node)
 		if err != nil {
-			log.Error().Err(err).Uint64("node.id", ni.Uint64()).Str("node.name", node.Hostname()).Msg("Ephemeral node deletion failed")
+			log.Err(err).Uint64("node.id", ni.Uint64()).Msgf("failed to delete ephemeral node")
 			return
 		}
 
-		app.Change(policyChanged)
-		log.Debug().Caller().Uint64("node.id", ni.Uint64()).Str("node.name", node.Hostname()).Msg("Ephemeral node deleted because garbage collection timeout reached")
+		// Send policy update notifications if needed
+		if policyChanged {
+			ctx := types.NotifyCtx(context.Background(), "ephemeral-gc-policy", node.Hostname)
+			app.nodeNotifier.NotifyAll(ctx, types.UpdateFull())
+		}
+
+		log.Debug().Uint64("node.id", ni.Uint64()).Msgf("deleted ephemeral node")
 	})
 	app.ephemeralGC = ephemeralGC
 
@@ -162,9 +153,10 @@ func NewHeadscale(cfg *types.Config) (*Headscale, error) {
 		defer cancel()
 		oidcProvider, err := NewAuthProviderOIDC(
 			ctx,
-			&app,
 			cfg.ServerURL,
 			&cfg.OIDC,
+			app.state,
+			app.nodeNotifier,
 		)
 		if err != nil {
 			if cfg.OIDC.OnlyStartIfOIDCIsAvailable {
@@ -270,41 +262,31 @@ func (h *Headscale) scheduledTasks(ctx context.Context) {
 			return
 
 		case <-expireTicker.C:
-			var expiredNodeChanges []change.ChangeSet
+			var update types.StateUpdate
 			var changed bool
 
-			lastExpiryCheck, expiredNodeChanges, changed = h.state.ExpireExpiredNodes(lastExpiryCheck)
+			lastExpiryCheck, update, changed = h.state.ExpireExpiredNodes(lastExpiryCheck)
 
 			if changed {
-				log.Trace().Interface("changes", expiredNodeChanges).Msgf("expiring nodes")
+				log.Trace().Interface("nodes", update.ChangePatches).Msgf("expiring nodes")
 
-				// Send the changes directly since they're already in the new format
-				for _, nodeChange := range expiredNodeChanges {
-					h.Change(nodeChange)
-				}
+				ctx := types.NotifyCtx(context.Background(), "expire-expired", "na")
+				h.nodeNotifier.NotifyAll(ctx, update)
 			}
 
 		case <-derpTickerChan:
 			log.Info().Msg("Fetching DERPMap updates")
-			derpMap, err := backoff.Retry(ctx, func() (*tailcfg.DERPMap, error) {
-				derpMap, err := derp.GetDERPMap(h.cfg.DERP)
-				if err != nil {
-					return nil, err
-				}
-				if h.cfg.DERP.ServerEnabled && h.cfg.DERP.AutomaticallyAddEmbeddedDerpRegion {
-					region, _ := h.DERPServer.GenerateRegion()
-					derpMap.Regions[region.RegionID] = &region
-				}
-
-				return derpMap, nil
-			}, backoff.WithBackOff(backoff.NewExponentialBackOff()))
-			if err != nil {
-				log.Error().Err(err).Msg("failed to build new DERPMap, retrying later")
-				continue
+			derpMap := derp.GetDERPMap(h.cfg.DERP)
+			if h.cfg.DERP.ServerEnabled && h.cfg.DERP.AutomaticallyAddEmbeddedDerpRegion {
+				region, _ := h.DERPServer.GenerateRegion()
+				derpMap.Regions[region.RegionID] = &region
 			}
-			h.state.SetDERPMap(derpMap)
 
-			h.Change(change.DERPSet)
+			ctx := types.NotifyCtx(context.Background(), "derpmap-update", "na")
+			h.nodeNotifier.NotifyAll(ctx, types.StateUpdate{
+				Type:    types.StateDERPUpdated,
+				DERPMap: derpMap,
+			})
 
 		case records, ok := <-extraRecordsUpdate:
 			if !ok {
@@ -312,16 +294,19 @@ func (h *Headscale) scheduledTasks(ctx context.Context) {
 			}
 			h.cfg.TailcfgDNSConfig.ExtraRecords = records
 
-			h.Change(change.ExtraRecordsSet)
+			ctx := types.NotifyCtx(context.Background(), "dns-extrarecord", "all")
+			// TODO(kradalby): We can probably do better than sending a full update here,
+			// but for now this will ensure that all of the nodes get the new records.
+			h.nodeNotifier.NotifyAll(ctx, types.UpdateFull())
 		}
 	}
 }
 
 func (h *Headscale) grpcAuthenticationInterceptor(ctx context.Context,
-	req any,
+	req interface{},
 	info *grpc.UnaryServerInfo,
 	handler grpc.UnaryHandler,
-) (any, error) {
+) (interface{}, error) {
 	// Check if the request is coming from the on-server client.
 	// This is not secure, but it is to maintain maintainability
 	// with the "legacy" database-based client
@@ -385,32 +370,42 @@ func (h *Headscale) httpAuthenticationMiddleware(next http.Handler) http.Handler
 			Str("client_address", req.RemoteAddr).
 			Msg("HTTP authentication invoked")
 
-		authHeader := req.Header.Get("Authorization")
-
-		writeUnauthorized := func(statusCode int) {
-			writer.WriteHeader(statusCode)
-			if _, err := writer.Write([]byte("Unauthorized")); err != nil {
-				log.Error().Err(err).Msg("writing HTTP response failed")
-			}
-		}
+		authHeader := req.Header.Get("authorization")
 
 		if !strings.HasPrefix(authHeader, AuthPrefix) {
 			log.Error().
 				Caller().
 				Str("client_address", req.RemoteAddr).
 				Msg(`missing "Bearer " prefix in "Authorization" header`)
-			writeUnauthorized(http.StatusUnauthorized)
+			writer.WriteHeader(http.StatusUnauthorized)
+			_, err := writer.Write([]byte("Unauthorized"))
+			if err != nil {
+				log.Error().
+					Caller().
+					Err(err).
+					Msg("Failed to write response")
+			}
+
 			return
 		}
 
 		valid, err := h.state.ValidateAPIKey(strings.TrimPrefix(authHeader, AuthPrefix))
 		if err != nil {
-			log.Info().
+			log.Error().
 				Caller().
 				Err(err).
 				Str("client_address", req.RemoteAddr).
 				Msg("failed to validate token")
-			writeUnauthorized(http.StatusUnauthorized)
+
+			writer.WriteHeader(http.StatusInternalServerError)
+			_, err := writer.Write([]byte("Unauthorized"))
+			if err != nil {
+				log.Error().
+					Caller().
+					Err(err).
+					Msg("Failed to write response")
+			}
+
 			return
 		}
 
@@ -418,7 +413,16 @@ func (h *Headscale) httpAuthenticationMiddleware(next http.Handler) http.Handler
 			log.Info().
 				Str("client_address", req.RemoteAddr).
 				Msg("invalid token")
-			writeUnauthorized(http.StatusUnauthorized)
+
+			writer.WriteHeader(http.StatusUnauthorized)
+			_, err := writer.Write([]byte("Unauthorized"))
+			if err != nil {
+				log.Error().
+					Caller().
+					Err(err).
+					Msg("Failed to write response")
+			}
+
 			return
 		}
 
@@ -444,9 +448,7 @@ func (h *Headscale) createRouter(grpcMux *grpcRuntime.ServeMux) *mux.Router {
 	router.HandleFunc(ts2021UpgradePath, h.NoiseUpgradeHandler).
 		Methods(http.MethodPost, http.MethodGet)
 
-	router.HandleFunc("/robots.txt", h.RobotsHandler).Methods(http.MethodGet)
 	router.HandleFunc("/health", h.HealthHandler).Methods(http.MethodGet)
-	router.HandleFunc("/version", h.VersionHandler).Methods(http.MethodGet)
 	router.HandleFunc("/key", h.KeyHandler).Methods(http.MethodGet)
 	router.HandleFunc("/register/{registration_id}", h.authProvider.RegisterHandler).
 		Methods(http.MethodGet)
@@ -482,14 +484,65 @@ func (h *Headscale) createRouter(grpcMux *grpcRuntime.ServeMux) *mux.Router {
 	return router
 }
 
+// // TODO(kradalby): Do a variant of this, and polman which only updates the node that has changed.
+// // Maybe we should attempt a new in memory state and not go via the DB?
+// // Maybe this should be implemented as an event bus?
+// // A bool is returned indicating if a full update was sent to all nodes
+// func usersChangedHook(db *db.HSDatabase, polMan policy.PolicyManager, notif *notifier.Notifier) error {
+// 	users, err := db.ListUsers()
+// 	if err != nil {
+// 		return err
+// 	}
+
+// 	changed, err := polMan.SetUsers(users)
+// 	if err != nil {
+// 		return err
+// 	}
+
+// 	if changed {
+// 		ctx := types.NotifyCtx(context.Background(), "acl-users-change", "all")
+// 		notif.NotifyAll(ctx, types.UpdateFull())
+// 	}
+
+// 	return nil
+// }
+
+// // TODO(kradalby): Do a variant of this, and polman which only updates the node that has changed.
+// // Maybe we should attempt a new in memory state and not go via the DB?
+// // Maybe this should be implemented as an event bus?
+// // A bool is returned indicating if a full update was sent to all nodes
+// func nodesChangedHook(
+// 	db *db.HSDatabase,
+// 	polMan policy.PolicyManager,
+// 	notif *notifier.Notifier,
+// ) (bool, error) {
+// 	nodes, err := db.ListNodes()
+// 	if err != nil {
+// 		return false, err
+// 	}
+
+// 	filterChanged, err := polMan.SetNodes(nodes)
+// 	if err != nil {
+// 		return false, err
+// 	}
+
+// 	if filterChanged {
+// 		ctx := types.NotifyCtx(context.Background(), "acl-nodes-change", "all")
+// 		notif.NotifyAll(ctx, types.UpdateFull())
+
+// 		return true, nil
+// 	}
+
+// 	return false, nil
+// }
+
 // Serve launches the HTTP and gRPC server service Headscale and the API.
 func (h *Headscale) Serve() error {
-	var err error
 	capver.CanOldCodeBeCleanedUp()
 
 	if profilingEnabled {
 		if profilingPath != "" {
-			err = os.MkdirAll(profilingPath, os.ModePerm)
+			err := os.MkdirAll(profilingPath, os.ModePerm)
 			if err != nil {
 				log.Fatal().Err(err).Msg("failed to create profiling directory")
 			}
@@ -504,49 +557,48 @@ func (h *Headscale) Serve() error {
 		spew.Dump(h.cfg)
 	}
 
-	versionInfo := types.GetVersionInfo()
-	log.Info().Str("version", versionInfo.Version).Str("commit", versionInfo.Commit).Msg("Starting Headscale")
+	log.Info().Str("version", types.Version).Str("commit", types.GitCommitHash).Msg("Starting Headscale")
 	log.Info().
 		Str("minimum_version", capver.TailscaleVersion(capver.MinSupportedCapabilityVersion)).
 		Msg("Clients with a lower minimum version will be rejected")
 
-	h.mapBatcher = mapper.NewBatcherAndMapper(h.cfg, h.state)
-	h.mapBatcher.Start()
-	defer h.mapBatcher.Close()
+	// Fetch an initial DERP Map before we start serving
+	h.mapper = mapper.NewMapper(h.state, h.cfg, h.nodeNotifier)
 
+	// TODO(kradalby): fix state part.
 	if h.cfg.DERP.ServerEnabled {
 		// When embedded DERP is enabled we always need a STUN server
 		if h.cfg.DERP.STUNAddr == "" {
 			return errSTUNAddressNotSet
 		}
 
+		region, err := h.DERPServer.GenerateRegion()
+		if err != nil {
+			return fmt.Errorf("generating DERP region for embedded server: %w", err)
+		}
+
+		if h.cfg.DERP.AutomaticallyAddEmbeddedDerpRegion {
+			h.state.DERPMap().Regions[region.RegionID] = &region
+		}
+
 		go h.DERPServer.ServeSTUN()
 	}
 
-	derpMap, err := derp.GetDERPMap(h.cfg.DERP)
-	if err != nil {
-		return fmt.Errorf("failed to get DERPMap: %w", err)
-	}
-
-	if h.cfg.DERP.ServerEnabled && h.cfg.DERP.AutomaticallyAddEmbeddedDerpRegion {
-		region, _ := h.DERPServer.GenerateRegion()
-		derpMap.Regions[region.RegionID] = &region
-	}
-
-	if len(derpMap.Regions) == 0 {
+	if len(h.state.DERPMap().Regions) == 0 {
 		return errEmptyInitialDERPMap
 	}
 
-	h.state.SetDERPMap(derpMap)
-
 	// Start ephemeral node garbage collector and schedule all nodes
 	// that are already in the database and ephemeral. If they are still
 	// around between restarts, they will reconnect and the GC will
 	// be cancelled.
 	go h.ephemeralGC.Start()
-	ephmNodes := h.state.ListEphemeralNodes()
-	for _, node := range ephmNodes.All() {
-		h.ephemeralGC.Schedule(node.ID(), h.cfg.EphemeralNodeInactivityTimeout)
+	ephmNodes, err := h.state.ListEphemeralNodes()
+	if err != nil {
+		return fmt.Errorf("failed to list ephemeral nodes: %w", err)
+	}
+	for _, node := range ephmNodes {
+		h.ephemeralGC.Schedule(node.ID, h.cfg.EphemeralNodeInactivityTimeout)
 	}
 
 	if h.cfg.DNSConfig.ExtraRecordsPath != "" {
@@ -776,14 +828,19 @@ func (h *Headscale) Serve() error {
 					continue
 				}
 
-				changes, err := h.state.ReloadPolicy()
+				changed, err := h.state.ReloadPolicy()
 				if err != nil {
 					log.Error().Err(err).Msgf("reloading policy")
 					continue
 				}
 
-				h.Change(changes...)
+				if changed {
+					log.Info().
+						Msg("ACL policy successfully reloaded, notifying nodes of change")
 
+					ctx := types.NotifyCtx(context.Background(), "acl-sighup", "na")
+					h.nodeNotifier.NotifyAll(ctx, types.UpdateFull())
+				}
 			default:
 				info := func(msg string) { log.Info().Msg(msg) }
 				log.Info().
@@ -807,11 +864,11 @@ func (h *Headscale) Serve() error {
 					log.Error().Err(err).Msg("failed to shutdown http")
 				}
 
-				info("closing batcher")
-				h.mapBatcher.Close()
+				info("closing node notifier")
+				h.nodeNotifier.Close()
 
 				info("waiting for netmap stream to close")
-				h.clientStreamsOpen.Wait()
+				h.pollNetMapStreamWG.Wait()
 
 				info("shutting down grpc server (socket)")
 				grpcSocket.GracefulStop()
@@ -837,11 +894,11 @@ func (h *Headscale) Serve() error {
 				info("closing socket listener")
 				socketListener.Close()
 
-				// Close state connections
-				info("closing state and database")
+				// Close db connections
+				info("closing database connection")
 				err = h.state.Close()
 				if err != nil {
-					log.Error().Err(err).Msg("failed to close state")
+					log.Error().Err(err).Msg("failed to close db")
 				}
 
 				log.Info().
@@ -990,10 +1047,3 @@ func readOrCreatePrivateKey(path string) (*key.MachinePrivate, error) {
 
 	return &machineKey, nil
 }
-
-// Change is used to send changes to nodes.
-// All change should be enqueued here and empty will be automatically
-// ignored.
-func (h *Headscale) Change(cs ...change.ChangeSet) {
-	h.mapBatcher.AddWork(cs...)
-}

hscontrol/auth.go

@@ -1,7 +1,6 @@
 package hscontrol
 
 import (
-	"cmp"
 	"context"
 	"errors"
 	"fmt"
@@ -11,9 +10,6 @@ import (
 	"time"
 
 	"github.com/juanfont/headscale/hscontrol/types"
-	"github.com/juanfont/headscale/hscontrol/types/change"
-	"github.com/juanfont/headscale/hscontrol/util"
-	"github.com/rs/zerolog/log"
 	"gorm.io/gorm"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/key"
@@ -27,105 +23,37 @@ type AuthProvider interface {
 
 func (h *Headscale) handleRegister(
 	ctx context.Context,
-	req tailcfg.RegisterRequest,
+	regReq tailcfg.RegisterRequest,
 	machineKey key.MachinePublic,
 ) (*tailcfg.RegisterResponse, error) {
-	// Check for logout/expiry FIRST, before checking auth key.
-	// Tailscale clients may send logout requests with BOTH a past expiry AND an auth key.
-	// A past expiry takes precedence - it's a logout regardless of other fields.
-	if !req.Expiry.IsZero() && req.Expiry.Before(time.Now()) {
-		log.Debug().
-			Str("node.key", req.NodeKey.ShortString()).
-			Time("expiry", req.Expiry).
-			Bool("has_auth", req.Auth != nil).
-			Msg("Detected logout attempt with past expiry")
-
-		// This is a logout attempt (expiry in the past)
-		if node, ok := h.state.GetNodeByNodeKey(req.NodeKey); ok {
-			log.Debug().
-				Uint64("node.id", node.ID().Uint64()).
-				Str("node.name", node.Hostname()).
-				Bool("is_ephemeral", node.IsEphemeral()).
-				Bool("has_authkey", node.AuthKey().Valid()).
-				Msg("Found existing node for logout, calling handleLogout")
-
-			resp, err := h.handleLogout(node, req, machineKey)
-			if err != nil {
-				return nil, fmt.Errorf("handling logout: %w", err)
-			}
-			if resp != nil {
-				return resp, nil
-			}
-		} else {
-			log.Warn().
-				Str("node.key", req.NodeKey.ShortString()).
-				Msg("Logout attempt but node not found in NodeStore")
-		}
+	node, err := h.state.GetNodeByNodeKey(regReq.NodeKey)
+	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, fmt.Errorf("looking up node in database: %w", err)
 	}
 
-	// If the register request does not contain a Auth struct, it means we are logging
-	// out an existing node (legacy logout path for clients that send Auth=nil).
-	if req.Auth == nil {
-		// If the register request present a NodeKey that is currently in use, we will
-		// check if the node needs to be sent to re-auth, or if the node is logging out.
-		// We do not look up nodes by [key.MachinePublic] as it might belong to multiple
-		// nodes, separated by users and this path is handling expiring/logout paths.
-		if node, ok := h.state.GetNodeByNodeKey(req.NodeKey); ok {
-			// When tailscaled restarts, it sends RegisterRequest with Auth=nil and Expiry=zero.
-			// Return the current node state without modification.
-			// See: https://github.com/juanfont/headscale/issues/2862
-			if req.Expiry.IsZero() && node.Expiry().Valid() && !node.IsExpired() {
-				return nodeToRegisterResponse(node), nil
-			}
-
-			resp, err := h.handleLogout(node, req, machineKey)
-			if err != nil {
-				return nil, fmt.Errorf("handling existing node: %w", err)
-			}
-
-			// If resp is not nil, we have a response to return to the node.
-			// If resp is nil, we should proceed and see if the node is trying to re-auth.
-			if resp != nil {
-				return resp, nil
-			}
-		} else {
-			// If the register request is not attempting to register a node, and
-			// we cannot match it with an existing node, we consider that unexpected
-			// as only register nodes should attempt to log out.
-			log.Debug().
-				Str("node.key", req.NodeKey.ShortString()).
-				Str("machine.key", machineKey.ShortString()).
-				Bool("unexpected", true).
-				Msg("received register request with no auth, and no existing node")
-		}
-	}
-
-	// If the [tailcfg.RegisterRequest] has a Followup URL, it means that the
-	// node has already started the registration process and we should wait for
-	// it to finish the original registration.
-	if req.Followup != "" {
-		return h.waitForFollowup(ctx, req, machineKey)
-	}
-
-	// Pre authenticated keys are handled slightly different than interactive
-	// logins as they can be done fully sync and we can respond to the node with
-	// the result as it is waiting.
-	if isAuthKey(req) {
-		resp, err := h.handleRegisterWithAuthKey(req, machineKey)
+	if node != nil {
+		resp, err := h.handleExistingNode(node, regReq, machineKey)
 		if err != nil {
-			// Preserve HTTPError types so they can be handled properly by the HTTP layer
-			var httpErr HTTPError
-			if errors.As(err, &httpErr) {
-				return nil, httpErr
-			}
+			return nil, fmt.Errorf("handling existing node: %w", err)
+		}
 
+		return resp, nil
+	}
+
+	if regReq.Followup != "" {
+		return h.waitForFollowup(ctx, regReq)
+	}
+
+	if regReq.Auth != nil && regReq.Auth.AuthKey != "" {
+		resp, err := h.handleRegisterWithAuthKey(regReq, machineKey)
+		if err != nil {
 			return nil, fmt.Errorf("handling register with auth key: %w", err)
 		}
 
 		return resp, nil
 	}
 
-	resp, err := h.handleRegisterInteractive(req, machineKey)
+	resp, err := h.handleRegisterInteractive(regReq, machineKey)
 	if err != nil {
 		return nil, fmt.Errorf("handling register interactive: %w", err)
 	}
@@ -133,112 +61,71 @@ func (h *Headscale) handleRegister(
 	return resp, nil
 }
 
-// handleLogout checks if the [tailcfg.RegisterRequest] is a
-// logout attempt from a node. If the node is not attempting to
-func (h *Headscale) handleLogout(
-	node types.NodeView,
-	req tailcfg.RegisterRequest,
+func (h *Headscale) handleExistingNode(
+	node *types.Node,
+	regReq tailcfg.RegisterRequest,
 	machineKey key.MachinePublic,
 ) (*tailcfg.RegisterResponse, error) {
-	// Fail closed if it looks like this is an attempt to modify a node where
-	// the node key and the machine key the noise session was started with does
-	// not align.
-	if node.MachineKey() != machineKey {
+	if node.MachineKey != machineKey {
 		return nil, NewHTTPError(http.StatusUnauthorized, "node exist with different machine key", nil)
 	}
 
-	// Note: We do NOT return early if req.Auth is set, because Tailscale clients
-	// may send logout requests with BOTH a past expiry AND an auth key.
-	// A past expiry indicates logout, regardless of whether Auth is present.
-	// The expiry check below will handle the logout logic.
+	expired := node.IsExpired()
+	if !expired && !regReq.Expiry.IsZero() {
+		requestExpiry := regReq.Expiry
 
-	// If the node is expired and this is not a re-authentication attempt,
-	// force the client to re-authenticate.
-	// TODO(kradalby): I wonder if this is a path we ever hit?
-	if node.IsExpired() {
-		log.Trace().Str("node.name", node.Hostname()).
-			Uint64("node.id", node.ID().Uint64()).
-			Interface("reg.req", req).
-			Bool("unexpected", true).
-			Msg("Node key expired, forcing re-authentication")
-		return &tailcfg.RegisterResponse{
-			NodeKeyExpired:    true,
-			MachineAuthorized: false,
-			AuthURL:           "", // Client will need to re-authenticate
-		}, nil
-	}
-
-	// If we get here, the node is not currently expired, and not trying to
-	// do an auth.
-	// The node is likely logging out, but before we run that logic, we will validate
-	// that the node is not attempting to tamper/extend their expiry.
-	// If it is not, we will expire the node or in the case of an ephemeral node, delete it.
-
-	// The client is trying to extend their key, this is not allowed.
-	if req.Expiry.After(time.Now()) {
-		return nil, NewHTTPError(http.StatusBadRequest, "extending key is not allowed", nil)
-	}
-
-	// If the request expiry is in the past, we consider it a logout.
-	// Zero expiry is handled in handleRegister() before calling this function.
-	if req.Expiry.Before(time.Now()) {
-		log.Debug().
-			Uint64("node.id", node.ID().Uint64()).
-			Str("node.name", node.Hostname()).
-			Bool("is_ephemeral", node.IsEphemeral()).
-			Bool("has_authkey", node.AuthKey().Valid()).
-			Time("req.expiry", req.Expiry).
-			Msg("Processing logout request with past expiry")
-
-		if node.IsEphemeral() {
-			log.Info().
-				Uint64("node.id", node.ID().Uint64()).
-				Str("node.name", node.Hostname()).
-				Msg("Deleting ephemeral node during logout")
-
-			c, err := h.state.DeleteNode(node)
-			if err != nil {
-				return nil, fmt.Errorf("deleting ephemeral node: %w", err)
-			}
-
-			h.Change(c)
-
-			return &tailcfg.RegisterResponse{
-				NodeKeyExpired:    true,
-				MachineAuthorized: false,
-			}, nil
+		// The client is trying to extend their key, this is not allowed.
+		if requestExpiry.After(time.Now()) {
+			return nil, NewHTTPError(http.StatusBadRequest, "extending key is not allowed", nil)
 		}
 
-		log.Debug().
-			Uint64("node.id", node.ID().Uint64()).
-			Str("node.name", node.Hostname()).
-			Msg("Node is not ephemeral, setting expiry instead of deleting")
+		// If the request expiry is in the past, we consider it a logout.
+		if requestExpiry.Before(time.Now()) {
+			if node.IsEphemeral() {
+				policyChanged, err := h.state.DeleteNode(node)
+				if err != nil {
+					return nil, fmt.Errorf("deleting ephemeral node: %w", err)
+				}
+
+				// Send policy update notifications if needed
+				if policyChanged {
+					ctx := types.NotifyCtx(context.Background(), "auth-logout-ephemeral-policy", "na")
+					h.nodeNotifier.NotifyAll(ctx, types.UpdateFull())
+				} else {
+					ctx := types.NotifyCtx(context.Background(), "logout-ephemeral", "na")
+					h.nodeNotifier.NotifyAll(ctx, types.UpdatePeerRemoved(node.ID))
+				}
+
+				return nil, nil
+			}
+		}
+
+		n, policyChanged, err := h.state.SetNodeExpiry(node.ID, requestExpiry)
+		if err != nil {
+			return nil, fmt.Errorf("setting node expiry: %w", err)
+		}
+
+		// Send policy update notifications if needed
+		if policyChanged {
+			ctx := types.NotifyCtx(context.Background(), "auth-expiry-policy", "na")
+			h.nodeNotifier.NotifyAll(ctx, types.UpdateFull())
+		} else {
+			ctx := types.NotifyCtx(context.Background(), "logout-expiry", "na")
+			h.nodeNotifier.NotifyWithIgnore(ctx, types.UpdateExpire(node.ID, requestExpiry), node.ID)
+		}
+
+		return nodeToRegisterResponse(n), nil
 	}
 
-	// Update the internal state with the nodes new expiry, meaning it is
-	// logged out.
-	updatedNode, c, err := h.state.SetNodeExpiry(node.ID(), req.Expiry)
-	if err != nil {
-		return nil, fmt.Errorf("setting node expiry: %w", err)
-	}
-
-	h.Change(c)
-
-	return nodeToRegisterResponse(updatedNode), nil
+	return nodeToRegisterResponse(node), nil
 }
 
-// isAuthKey reports if the register request is a registration request
-// using an pre auth key.
-func isAuthKey(req tailcfg.RegisterRequest) bool {
-	return req.Auth != nil && req.Auth.AuthKey != ""
-}
-
-func nodeToRegisterResponse(node types.NodeView) *tailcfg.RegisterResponse {
+func nodeToRegisterResponse(node *types.Node) *tailcfg.RegisterResponse {
 	return &tailcfg.RegisterResponse{
 		// TODO(kradalby): Only send for user-owned nodes
 		// and not tagged nodes when tags is working.
-		User:           node.UserView().TailscaleUser(),
-		Login:          node.UserView().TailscaleLogin(),
+		User:           *node.User.TailscaleUser(),
+		Login:          *node.User.TailscaleLogin(),
 		NodeKeyExpired: node.IsExpired(),
 
 		// Headscale does not implement the concept of machine authorization
@@ -250,10 +137,9 @@ func nodeToRegisterResponse(node types.NodeView) *tailcfg.RegisterResponse {
 
 func (h *Headscale) waitForFollowup(
 	ctx context.Context,
-	req tailcfg.RegisterRequest,
-	machineKey key.MachinePublic,
+	regReq tailcfg.RegisterRequest,
 ) (*tailcfg.RegisterResponse, error) {
-	fu, err := url.Parse(req.Followup)
+	fu, err := url.Parse(regReq.Followup)
 	if err != nil {
 		return nil, NewHTTPError(http.StatusUnauthorized, "invalid followup URL", err)
 	}
@@ -269,68 +155,21 @@ func (h *Headscale) waitForFollowup(
 			return nil, NewHTTPError(http.StatusUnauthorized, "registration timed out", err)
 		case node := <-reg.Registered:
 			if node == nil {
-				// registration is expired in the cache, instruct the client to try a new registration
-				return h.reqToNewRegisterResponse(req, machineKey)
+				return nil, NewHTTPError(http.StatusUnauthorized, "node not found", nil)
 			}
-			return nodeToRegisterResponse(node.View()), nil
+			return nodeToRegisterResponse(node), nil
 		}
 	}
 
-	// if the follow-up registration isn't found anymore, instruct the client to try a new registration
-	return h.reqToNewRegisterResponse(req, machineKey)
-}
-
-// reqToNewRegisterResponse refreshes the registration flow by creating a new
-// registration ID and returning the corresponding AuthURL so the client can
-// restart the authentication process.
-func (h *Headscale) reqToNewRegisterResponse(
-	req tailcfg.RegisterRequest,
-	machineKey key.MachinePublic,
-) (*tailcfg.RegisterResponse, error) {
-	newRegID, err := types.NewRegistrationID()
-	if err != nil {
-		return nil, NewHTTPError(http.StatusInternalServerError, "failed to generate registration ID", err)
-	}
-
-	// Ensure we have a valid hostname
-	hostname := util.EnsureHostname(
-		req.Hostinfo,
-		machineKey.String(),
-		req.NodeKey.String(),
-	)
-
-	// Ensure we have valid hostinfo
-	hostinfo := cmp.Or(req.Hostinfo, &tailcfg.Hostinfo{})
-	hostinfo.Hostname = hostname
-
-	nodeToRegister := types.NewRegisterNode(
-		types.Node{
-			Hostname:   hostname,
-			MachineKey: machineKey,
-			NodeKey:    req.NodeKey,
-			Hostinfo:   hostinfo,
-			LastSeen:   ptr.To(time.Now()),
-		},
-	)
-
-	if !req.Expiry.IsZero() {
-		nodeToRegister.Node.Expiry = &req.Expiry
-	}
-
-	log.Info().Msgf("New followup node registration using key: %s", newRegID)
-	h.state.SetRegistrationCacheEntry(newRegID, nodeToRegister)
-
-	return &tailcfg.RegisterResponse{
-		AuthURL: h.authProvider.AuthURL(newRegID),
-	}, nil
+	return nil, NewHTTPError(http.StatusNotFound, "followup registration not found", nil)
 }
 
 func (h *Headscale) handleRegisterWithAuthKey(
-	req tailcfg.RegisterRequest,
+	regReq tailcfg.RegisterRequest,
 	machineKey key.MachinePublic,
 ) (*tailcfg.RegisterResponse, error) {
 	node, changed, err := h.state.HandleNodeFromPreAuthKey(
-		req,
+		regReq,
 		machineKey,
 	)
 	if err != nil {
@@ -345,12 +184,6 @@ func (h *Headscale) handleRegisterWithAuthKey(
 		return nil, err
 	}
 
-	// If node is not valid, it means an ephemeral node was deleted during logout
-	if !node.Valid() {
-		h.Change(changed)
-		return nil, nil
-	}
-
 	// This is a bit of a back and forth, but we have a bit of a chicken and egg
 	// dependency here.
 	// Because the way the policy manager works, we need to have the node
@@ -362,46 +195,35 @@ func (h *Headscale) handleRegisterWithAuthKey(
 	// ensure we send an update.
 	// This works, but might be another good candidate for doing some sort of
 	// eventbus.
-	// TODO(kradalby): This needs to be ran as part of the batcher maybe?
-	// now since we dont update the node/pol here anymore
-	routeChange := h.state.AutoApproveRoutes(node)
-
+	routesChanged := h.state.AutoApproveRoutes(node)
 	if _, _, err := h.state.SaveNode(node); err != nil {
 		return nil, fmt.Errorf("saving auto approved routes to node: %w", err)
 	}
 
-	if routeChange && changed.Empty() {
-		changed = change.NodeAdded(node.ID())
+	if routesChanged {
+		ctx := types.NotifyCtx(context.Background(), "node updated", node.Hostname)
+		h.nodeNotifier.NotifyAll(ctx, types.UpdatePeerChanged(node.ID))
+	} else if changed {
+		ctx := types.NotifyCtx(context.Background(), "node created", node.Hostname)
+		h.nodeNotifier.NotifyAll(ctx, types.UpdateFull())
+	} else {
+		// Existing node re-registering without route changes
+		// Still need to notify peers about the node being active again
+		// Use UpdateFull to ensure all peers get complete peer maps
+		ctx := types.NotifyCtx(context.Background(), "node re-registered", node.Hostname)
+		h.nodeNotifier.NotifyAll(ctx, types.UpdateFull())
 	}
-	h.Change(changed)
 
-	// TODO(kradalby): I think this is covered above, but we need to validate that.
-	// // If policy changed due to node registration, send a separate policy change
-	// if policyChanged {
-	// 	policyChange := change.PolicyChange()
-	// 	h.Change(policyChange)
-	// }
-
-	resp := &tailcfg.RegisterResponse{
+	return &tailcfg.RegisterResponse{
 		MachineAuthorized: true,
 		NodeKeyExpired:    node.IsExpired(),
-		User:              node.UserView().TailscaleUser(),
-		Login:             node.UserView().TailscaleLogin(),
-	}
-
-	log.Trace().
-		Caller().
-		Interface("reg.resp", resp).
-		Interface("reg.req", req).
-		Str("node.name", node.Hostname()).
-		Uint64("node.id", node.ID().Uint64()).
-		Msg("RegisterResponse")
-
-	return resp, nil
+		User:              *node.User.TailscaleUser(),
+		Login:             *node.User.TailscaleLogin(),
+	}, nil
 }
 
 func (h *Headscale) handleRegisterInteractive(
-	req tailcfg.RegisterRequest,
+	regReq tailcfg.RegisterRequest,
 	machineKey key.MachinePublic,
 ) (*tailcfg.RegisterResponse, error) {
 	registrationId, err := types.NewRegistrationID()
@@ -409,42 +231,19 @@ func (h *Headscale) handleRegisterInteractive(
 		return nil, fmt.Errorf("generating registration ID: %w", err)
 	}
 
-	// Ensure we have a valid hostname
-	hostname := util.EnsureHostname(
-		req.Hostinfo,
-		machineKey.String(),
-		req.NodeKey.String(),
-	)
-
-	// Ensure we have valid hostinfo
-	hostinfo := cmp.Or(req.Hostinfo, &tailcfg.Hostinfo{})
-	if req.Hostinfo == nil {
-		log.Warn().
-			Str("machine.key", machineKey.ShortString()).
-			Str("node.key", req.NodeKey.ShortString()).
-			Str("generated.hostname", hostname).
-			Msg("Received registration request with nil hostinfo, generated default hostname")
-	} else if req.Hostinfo.Hostname == "" {
-		log.Warn().
-			Str("machine.key", machineKey.ShortString()).
-			Str("node.key", req.NodeKey.ShortString()).
-			Str("generated.hostname", hostname).
-			Msg("Received registration request with empty hostname, generated default")
-	}
-	hostinfo.Hostname = hostname
-
-	nodeToRegister := types.NewRegisterNode(
-		types.Node{
-			Hostname:   hostname,
+	nodeToRegister := types.RegisterNode{
+		Node: types.Node{
+			Hostname:   regReq.Hostinfo.Hostname,
 			MachineKey: machineKey,
-			NodeKey:    req.NodeKey,
-			Hostinfo:   hostinfo,
+			NodeKey:    regReq.NodeKey,
+			Hostinfo:   regReq.Hostinfo,
 			LastSeen:   ptr.To(time.Now()),
 		},
-	)
+		Registered: make(chan *types.Node),
+	}
 
-	if !req.Expiry.IsZero() {
-		nodeToRegister.Node.Expiry = &req.Expiry
+	if !regReq.Expiry.IsZero() {
+		nodeToRegister.Node.Expiry = &regReq.Expiry
 	}
 
 	h.state.SetRegistrationCacheEntry(
@@ -452,8 +251,6 @@ func (h *Headscale) handleRegisterInteractive(
 		nodeToRegister,
 	)
 
-	log.Info().Msgf("Starting node registration using key: %s", registrationId)
-
 	return &tailcfg.RegisterResponse{
 		AuthURL: h.authProvider.AuthURL(registrationId),
 	}, nil

hscontrol/capver/capver.go

@@ -1,7 +1,5 @@
 package capver
 
-//go:generate go run ../../tools/capver/main.go
-
 import (
 	"slices"
 	"sort"
@@ -12,7 +10,7 @@ import (
 	"tailscale.com/util/set"
 )
 
-const MinSupportedCapabilityVersion tailcfg.CapabilityVersion = 90
+const MinSupportedCapabilityVersion tailcfg.CapabilityVersion = 88
 
 // CanOldCodeBeCleanedUp is intended to be called on startup to see if
 // there are old code that can ble cleaned up, entries should contain

hscontrol/capver/capver_generated.go

@@ -5,6 +5,10 @@ package capver
 import "tailscale.com/tailcfg"
 
 var tailscaleToCapVer = map[string]tailcfg.CapabilityVersion{
+	"v1.60.0": 87,
+	"v1.60.1": 87,
+	"v1.62.0": 88,
+	"v1.62.1": 88,
 	"v1.64.0": 90,
 	"v1.64.1": 90,
 	"v1.64.2": 90,
@@ -32,12 +36,11 @@ var tailscaleToCapVer = map[string]tailcfg.CapabilityVersion{
 	"v1.80.3": 113,
 	"v1.82.0": 115,
 	"v1.82.5": 115,
-	"v1.84.0": 116,
-	"v1.84.1": 116,
-	"v1.84.2": 116,
 }
 
 var capVerToTailscaleVer = map[tailcfg.CapabilityVersion]string{
+	87:  "v1.60.0",
+	88:  "v1.62.0",
 	90:  "v1.64.0",
 	95:  "v1.66.0",
 	97:  "v1.68.0",
@@ -47,5 +50,4 @@ var capVerToTailscaleVer = map[tailcfg.CapabilityVersion]string{
 	109: "v1.78.0",
 	113: "v1.80.0",
 	115: "v1.82.0",
-	116: "v1.84.0",
 }

hscontrol/capver/capver_test.go

@@ -13,10 +13,11 @@ func TestTailscaleLatestMajorMinor(t *testing.T) {
 		stripV   bool
 		expected []string
 	}{
-		{3, false, []string{"v1.80", "v1.82", "v1.84"}},
-		{2, true, []string{"1.82", "1.84"}},
+		{3, false, []string{"v1.78", "v1.80", "v1.82"}},
+		{2, true, []string{"1.80", "1.82"}},
 		// Lazy way to see all supported versions
 		{10, true, []string{
+			"1.64",
 			"1.66",
 			"1.68",
 			"1.70",
@@ -26,7 +27,6 @@ func TestTailscaleLatestMajorMinor(t *testing.T) {
 			"1.78",
 			"1.80",
 			"1.82",
-			"1.84",
 		}},
 		{0, false, nil},
 	}
@@ -46,6 +46,7 @@ func TestCapVerMinimumTailscaleVersion(t *testing.T) {
 		input    tailcfg.CapabilityVersion
 		expected string
 	}{
+		{88, "v1.62.0"},
 		{90, "v1.64.0"},
 		{95, "v1.66.0"},
 		{106, "v1.74.0"},

hscontrol/capver/gen/main.go

@@ -5,7 +5,6 @@ package main
 import (
 	"encoding/json"
 	"fmt"
-	"go/format"
 	"io"
 	"log"
 	"net/http"
@@ -22,7 +21,7 @@ import (
 const (
 	releasesURL = "https://api.github.com/repos/tailscale/tailscale/releases"
 	rawFileURL  = "https://github.com/tailscale/tailscale/raw/refs/tags/%s/tailcfg/tailcfg.go"
-	outputFile  = "../../hscontrol/capver/capver_generated.go"
+	outputFile  = "../capver_generated.go"
 )
 
 type Release struct {
@@ -63,14 +62,14 @@ func getCapabilityVersions() (map[string]tailcfg.CapabilityVersion, error) {
 		rawURL := fmt.Sprintf(rawFileURL, version)
 		resp, err := http.Get(rawURL)
 		if err != nil {
-			log.Printf("Error fetching raw file for version %s: %v\n", version, err)
+			fmt.Printf("Error fetching raw file for version %s: %v\n", version, err)
 			continue
 		}
 		defer resp.Body.Close()
 
 		body, err := io.ReadAll(resp.Body)
 		if err != nil {
-			log.Printf("Error reading raw file for version %s: %v\n", version, err)
+			fmt.Printf("Error reading raw file for version %s: %v\n", version, err)
 			continue
 		}
 
@@ -81,7 +80,7 @@ func getCapabilityVersions() (map[string]tailcfg.CapabilityVersion, error) {
 			capabilityVersion, _ := strconv.Atoi(capabilityVersionStr)
 			versions[version] = tailcfg.CapabilityVersion(capabilityVersion)
 		} else {
-			log.Printf("Version: %s, CurrentCapabilityVersion not found\n", version)
+			fmt.Printf("Version: %s, CurrentCapabilityVersion not found\n", version)
 		}
 	}
 
@@ -89,34 +88,43 @@ func getCapabilityVersions() (map[string]tailcfg.CapabilityVersion, error) {
 }
 
 func writeCapabilityVersionsToFile(versions map[string]tailcfg.CapabilityVersion) error {
-	// Generate the Go code as a string
-	var content strings.Builder
-	content.WriteString("package capver\n\n")
-	content.WriteString("// Generated DO NOT EDIT\n\n")
-	content.WriteString(`import "tailscale.com/tailcfg"`)
-	content.WriteString("\n\n")
-	content.WriteString("var tailscaleToCapVer = map[string]tailcfg.CapabilityVersion{\n")
+	// Open the output file
+	file, err := os.Create(outputFile)
+	if err != nil {
+		return fmt.Errorf("error creating file: %w", err)
+	}
+	defer file.Close()
+
+	// Write the package declaration and variable
+	file.WriteString("package capver\n\n")
+	file.WriteString("//Generated DO NOT EDIT\n\n")
+	file.WriteString(`import "tailscale.com/tailcfg"`)
+	file.WriteString("\n\n")
+	file.WriteString("var tailscaleToCapVer = map[string]tailcfg.CapabilityVersion{\n")
 
 	sortedVersions := xmaps.Keys(versions)
 	sort.Strings(sortedVersions)
 	for _, version := range sortedVersions {
-		fmt.Fprintf(&content, "\t\"%s\": %d,\n", version, versions[version])
+		file.WriteString(fmt.Sprintf("\t\"%s\": %d,\n", version, versions[version]))
 	}
-	content.WriteString("}\n")
+	file.WriteString("}\n")
 
-	content.WriteString("\n\n")
-	content.WriteString("var capVerToTailscaleVer = map[tailcfg.CapabilityVersion]string{\n")
+	file.WriteString("\n\n")
+	file.WriteString("var capVerToTailscaleVer = map[tailcfg.CapabilityVersion]string{\n")
 
 	capVarToTailscaleVer := make(map[tailcfg.CapabilityVersion]string)
 	for _, v := range sortedVersions {
 		cap := versions[v]
+		log.Printf("cap for v: %d, %s", cap, v)
 
 		// If it is already set, skip and continue,
 		// we only want the first tailscale vsion per
 		// capability vsion.
 		if _, ok := capVarToTailscaleVer[cap]; ok {
+			log.Printf("Skipping %d, %s", cap, v)
 			continue
 		}
+		log.Printf("Storing %d, %s", cap, v)
 		capVarToTailscaleVer[cap] = v
 	}
 
@@ -125,21 +133,9 @@ func writeCapabilityVersionsToFile(versions map[string]tailcfg.CapabilityVersion
 		return capsSorted[i] < capsSorted[j]
 	})
 	for _, capVer := range capsSorted {
-		fmt.Fprintf(&content, "\t%d:\t\t\"%s\",\n", capVer, capVarToTailscaleVer[capVer])
-	}
-	content.WriteString("}\n")
-
-	// Format the generated code
-	formatted, err := format.Source([]byte(content.String()))
-	if err != nil {
-		return fmt.Errorf("error formatting Go code: %w", err)
-	}
-
-	// Write to file
-	err = os.WriteFile(outputFile, formatted, 0o644)
-	if err != nil {
-		return fmt.Errorf("error writing file: %w", err)
+		file.WriteString(fmt.Sprintf("\t%d:\t\t\"%s\",\n", capVer, capVarToTailscaleVer[capVer]))
 	}
+	file.WriteString("}\n")
 
 	return nil
 }
@@ -147,15 +143,15 @@ func writeCapabilityVersionsToFile(versions map[string]tailcfg.CapabilityVersion
 func main() {
 	versions, err := getCapabilityVersions()
 	if err != nil {
-		log.Println("Error:", err)
+		fmt.Println("Error:", err)
 		return
 	}
 
 	err = writeCapabilityVersionsToFile(versions)
 	if err != nil {
-		log.Println("Error writing to file:", err)
+		fmt.Println("Error writing to file:", err)
 		return
 	}
 
-	log.Println("Capability versions written to", outputFile)
+	fmt.Println("Capability versions written to", outputFile)
 }

hscontrol/db/db.go

@@ -260,7 +260,7 @@ func NewHeadscaleDatabase(
 									log.Error().Err(err).Msg("Error creating route")
 								} else {
 									log.Info().
-										Uint64("node.id", route.NodeID).
+										Uint64("node_id", route.NodeID).
 										Str("prefix", prefix.String()).
 										Msg("Route migrated")
 								}
@@ -496,7 +496,7 @@ func NewHeadscaleDatabase(
 				ID: "202407191627",
 				Migrate: func(tx *gorm.DB) error {
 					// Fix an issue where the automigration in GORM expected a constraint to
-					// exists that didn't, and add the one it wanted.
+					// exists that didnt, and add the one it wanted.
 					// Fixes https://github.com/juanfont/headscale/issues/2351
 					if cfg.Type == types.DatabasePostgres {
 						err := tx.Exec(`
@@ -870,23 +870,23 @@ AND auth_key_id NOT IN (
 					// Copy data directly using SQL
 					dataCopySQL := []string{
 						`INSERT INTO users (id, name, display_name, email, provider_identifier, provider, profile_pic_url, created_at, updated_at, deleted_at)
-             SELECT id, name, display_name, email, provider_identifier, provider, profile_pic_url, created_at, updated_at, deleted_at
+             SELECT id, name, display_name, email, provider_identifier, provider, profile_pic_url, created_at, updated_at, deleted_at 
              FROM users_old`,
 
 						`INSERT INTO pre_auth_keys (id, key, user_id, reusable, ephemeral, used, tags, expiration, created_at)
-             SELECT id, key, user_id, reusable, ephemeral, used, tags, expiration, created_at
+             SELECT id, key, user_id, reusable, ephemeral, used, tags, expiration, created_at 
              FROM pre_auth_keys_old`,
 
 						`INSERT INTO api_keys (id, prefix, hash, expiration, last_seen, created_at)
-             SELECT id, prefix, hash, expiration, last_seen, created_at
+             SELECT id, prefix, hash, expiration, last_seen, created_at 
              FROM api_keys_old`,
 
 						`INSERT INTO nodes (id, machine_key, node_key, disco_key, endpoints, host_info, ipv4, ipv6, hostname, given_name, user_id, register_method, forced_tags, auth_key_id, last_seen, expiry, approved_routes, created_at, updated_at, deleted_at)
-             SELECT id, machine_key, node_key, disco_key, endpoints, host_info, ipv4, ipv6, hostname, given_name, user_id, register_method, forced_tags, auth_key_id, last_seen, expiry, approved_routes, created_at, updated_at, deleted_at
+             SELECT id, machine_key, node_key, disco_key, endpoints, host_info, ipv4, ipv6, hostname, given_name, user_id, register_method, forced_tags, auth_key_id, last_seen, expiry, approved_routes, created_at, updated_at, deleted_at 
              FROM nodes_old`,
 
 						`INSERT INTO policies (id, data, created_at, updated_at, deleted_at)
-             SELECT id, data, created_at, updated_at, deleted_at
+             SELECT id, data, created_at, updated_at, deleted_at 
              FROM policies_old`,
 					}
 
@@ -932,64 +932,9 @@ AND auth_key_id NOT IN (
 				},
 				Rollback: func(db *gorm.DB) error { return nil },
 			},
-			{
-				// Drop all tables that are no longer in use and has existed.
-				// They potentially still present from broken migrations in the past.
-				ID: "202510311551",
-				Migrate: func(tx *gorm.DB) error {
-					for _, oldTable := range []string{"namespaces", "machines", "shared_machines", "kvs", "pre_auth_key_acl_tags", "routes"} {
-						err := tx.Migrator().DropTable(oldTable)
-						if err != nil {
-							log.Trace().Str("table", oldTable).
-								Err(err).
-								Msg("Error dropping old table, continuing...")
-						}
-					}
-
-					return nil
-				},
-				Rollback: func(tx *gorm.DB) error {
-					return nil
-				},
-			},
-			{
-				// Drop all indices that are no longer in use and has existed.
-				// They potentially still present from broken migrations in the past.
-				// They should all be cleaned up by the db engine, but we are a bit
-				// conservative to ensure all our previous mess is cleaned up.
-				ID: "202511101554-drop-old-idx",
-				Migrate: func(tx *gorm.DB) error {
-					for _, oldIdx := range []struct{ name, table string }{
-						{"idx_namespaces_deleted_at", "namespaces"},
-						{"idx_routes_deleted_at", "routes"},
-						{"idx_shared_machines_deleted_at", "shared_machines"},
-					} {
-						err := tx.Migrator().DropIndex(oldIdx.table, oldIdx.name)
-						if err != nil {
-							log.Trace().
-								Str("index", oldIdx.name).
-								Str("table", oldIdx.table).
-								Err(err).
-								Msg("Error dropping old index, continuing...")
-						}
-					}
-
-					return nil
-				},
-				Rollback: func(tx *gorm.DB) error {
-					return nil
-				},
-			},
-
-			// Migrations **above** this points will be REMOVED in version **0.29.0**
-			// This is to clean up a lot of old migrations that is seldom used
-			// and carries a lot of technical debt.
-			// Any new migrations should be added after the comment below and follow
-			// the rules it sets out.
-
 			// From this point, the following rules must be followed:
 			// - NEVER use gorm.AutoMigrate, write the exact migration steps needed
-			// - AutoMigrate depends on the struct staying exactly the same, which it won't over time.
+			// - AutoMigrate depends on the struct staying exactly the same, which it wont over time.
 			// - Never write migrations that requires foreign keys to be disabled.
 		},
 	)
@@ -1017,17 +962,7 @@ AND auth_key_id NOT IN (
 		ctx, cancel := context.WithTimeout(context.Background(), contextTimeoutSecs*time.Second)
 		defer cancel()
 
-		opts := squibble.DigestOptions{
-			IgnoreTables: []string{
-				// Litestream tables, these are inserted by
-				// litestream and not part of our schema
-				// https://litestream.io/how-it-works
-				"_litestream_lock",
-				"_litestream_seq",
-			},
-		}
-
-		if err := squibble.Validate(ctx, sqlConn, dbSchema, &opts); err != nil {
+		if err := squibble.Validate(ctx, sqlConn, dbSchema); err != nil {
 			return nil, fmt.Errorf("validating schema: %w", err)
 		}
 	}
@@ -1196,7 +1131,7 @@ func runMigrations(cfg types.DatabaseConfig, dbConn *gorm.DB, migrations *gormig
 		}
 
 		for _, migrationID := range migrationIDs {
-			log.Trace().Caller().Str("migration_id", migrationID).Msg("Running migration")
+			log.Trace().Str("migration_id", migrationID).Msg("Running migration")
 			needsFKDisabled := migrationsRequiringFKDisabled[migrationID]
 
 			if needsFKDisabled {

hscontrol/db/db_test.go

@@ -7,6 +7,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"slices"
+	"sort"
 	"strings"
 	"testing"
 	"time"
@@ -361,8 +362,8 @@ func TestSQLiteMigrationAndDataValidation(t *testing.T) {
 				}
 
 				if diff := cmp.Diff(expectedKeys, keys, cmp.Comparer(func(a, b []string) bool {
-					slices.Sort(a)
-					slices.Sort(b)
+					sort.Sort(sort.StringSlice(a))
+					sort.Sort(sort.StringSlice(b))
 					return slices.Equal(a, b)
 				}), cmpopts.IgnoreFields(types.PreAuthKey{}, "User", "CreatedAt", "Reusable", "Ephemeral", "Used", "Expiration")); diff != "" {
 					t.Errorf("TestSQLiteMigrationAndDataValidation() pre-auth key tags migration mismatch (-want +got):\n%s", diff)

hscontrol/db/ip.go

@@ -275,7 +275,7 @@ func (db *HSDatabase) BackfillNodeIPs(i *IPAllocator) ([]string, error) {
 			return errors.New("backfilling IPs: ip allocator was nil")
 		}
 
-		log.Trace().Caller().Msgf("starting to backfill IPs")
+		log.Trace().Msgf("starting to backfill IPs")
 
 		nodes, err := ListNodes(tx)
 		if err != nil {
@@ -283,7 +283,7 @@ func (db *HSDatabase) BackfillNodeIPs(i *IPAllocator) ([]string, error) {
 		}
 
 		for _, node := range nodes {
-			log.Trace().Caller().Uint64("node.id", node.ID.Uint64()).Str("node.name", node.Hostname).Msg("IP backfill check started because node found in database")
+			log.Trace().Uint64("node.id", node.ID.Uint64()).Msg("checking if need backfill")
 
 			changed := false
 			// IPv4 prefix is set, but node ip is missing, alloc
@@ -325,11 +325,7 @@ func (db *HSDatabase) BackfillNodeIPs(i *IPAllocator) ([]string, error) {
 			}
 
 			if changed {
-				// Use Updates() with Select() to only update IP fields, avoiding overwriting
-				// other fields like Expiry. We need Select() because Updates() alone skips
-				// zero values, but we DO want to update IPv4/IPv6 to nil when removing them.
-				// See issue #2862.
-				err := tx.Model(node).Select("ipv4", "ipv6").Updates(node).Error
+				err := tx.Save(node).Error
 				if err != nil {
 					return fmt.Errorf("saving node(%d) after adding IPs: %w", node.ID, err)
 				}

hscontrol/db/node.go

@@ -5,22 +5,17 @@ import (
 	"errors"
 	"fmt"
 	"net/netip"
-	"regexp"
 	"slices"
 	"sort"
-	"strconv"
-	"strings"
 	"sync"
-	"testing"
 	"time"
 
 	"github.com/juanfont/headscale/hscontrol/types"
 	"github.com/juanfont/headscale/hscontrol/util"
 	"github.com/rs/zerolog/log"
 	"gorm.io/gorm"
-	"tailscale.com/net/tsaddr"
+	"tailscale.com/tailcfg"
 	"tailscale.com/types/key"
-	"tailscale.com/types/ptr"
 )
 
 const (
@@ -28,8 +23,6 @@ const (
 	NodeGivenNameTrimSize   = 2
 )
 
-var invalidDNSRegex = regexp.MustCompile("[^a-z0-9-.]+")
-
 var (
 	ErrNodeNotFound                  = errors.New("node not found")
 	ErrNodeRouteIsNotAvailable       = errors.New("route is not available on node")
@@ -37,13 +30,18 @@ var (
 		"node not found in registration cache",
 	)
 	ErrCouldNotConvertNodeInterface = errors.New("failed to convert node interface")
+	ErrDifferentRegisteredUser      = errors.New(
+		"node was previously registered with a different user",
+	)
 )
 
 // ListPeers returns peers of node, regardless of any Policy or if the node is expired.
 // If no peer IDs are given, all peers are returned.
 // If at least one peer ID is given, only these peer nodes will be returned.
 func (hsdb *HSDatabase) ListPeers(nodeID types.NodeID, peerIDs ...types.NodeID) (types.Nodes, error) {
-	return ListPeers(hsdb.DB, nodeID, peerIDs...)
+	return Read(hsdb.DB, func(rx *gorm.DB) (types.Nodes, error) {
+		return ListPeers(rx, nodeID, peerIDs...)
+	})
 }
 
 // ListPeers returns peers of node, regardless of any Policy or if the node is expired.
@@ -68,7 +66,9 @@ func ListPeers(tx *gorm.DB, nodeID types.NodeID, peerIDs ...types.NodeID) (types
 // ListNodes queries the database for either all nodes if no parameters are given
 // or for the given nodes if at least one node ID is given as parameter.
 func (hsdb *HSDatabase) ListNodes(nodeIDs ...types.NodeID) (types.Nodes, error) {
-	return ListNodes(hsdb.DB, nodeIDs...)
+	return Read(hsdb.DB, func(rx *gorm.DB) (types.Nodes, error) {
+		return ListNodes(rx, nodeIDs...)
+	})
 }
 
 // ListNodes queries the database for either all nodes if no parameters are given
@@ -120,7 +120,9 @@ func getNode(tx *gorm.DB, uid types.UserID, name string) (*types.Node, error) {
 }
 
 func (hsdb *HSDatabase) GetNodeByID(id types.NodeID) (*types.Node, error) {
-	return GetNodeByID(hsdb.DB, id)
+	return Read(hsdb.DB, func(rx *gorm.DB) (*types.Node, error) {
+		return GetNodeByID(rx, id)
+	})
 }
 
 // GetNodeByID finds a Node by ID and returns the Node struct.
@@ -138,7 +140,9 @@ func GetNodeByID(tx *gorm.DB, id types.NodeID) (*types.Node, error) {
 }
 
 func (hsdb *HSDatabase) GetNodeByMachineKey(machineKey key.MachinePublic) (*types.Node, error) {
-	return GetNodeByMachineKey(hsdb.DB, machineKey)
+	return Read(hsdb.DB, func(rx *gorm.DB) (*types.Node, error) {
+		return GetNodeByMachineKey(rx, machineKey)
+	})
 }
 
 // GetNodeByMachineKey finds a Node by its MachineKey and returns the Node struct.
@@ -159,7 +163,9 @@ func GetNodeByMachineKey(
 }
 
 func (hsdb *HSDatabase) GetNodeByNodeKey(nodeKey key.NodePublic) (*types.Node, error) {
-	return GetNodeByNodeKey(hsdb.DB, nodeKey)
+	return Read(hsdb.DB, func(rx *gorm.DB) (*types.Node, error) {
+		return GetNodeByNodeKey(rx, nodeKey)
+	})
 }
 
 // GetNodeByNodeKey finds a Node by its NodeKey and returns the Node struct.
@@ -233,17 +239,6 @@ func SetApprovedRoutes(
 		return nil
 	}
 
-	// When approving exit routes, ensure both IPv4 and IPv6 are included
-	// If either 0.0.0.0/0 or ::/0 is being approved, both should be approved
-	hasIPv4Exit := slices.Contains(routes, tsaddr.AllIPv4())
-	hasIPv6Exit := slices.Contains(routes, tsaddr.AllIPv6())
-
-	if hasIPv4Exit && !hasIPv6Exit {
-		routes = append(routes, tsaddr.AllIPv6())
-	} else if hasIPv6Exit && !hasIPv4Exit {
-		routes = append(routes, tsaddr.AllIPv4())
-	}
-
 	b, err := json.Marshal(routes)
 	if err != nil {
 		return err
@@ -271,22 +266,24 @@ func SetLastSeen(tx *gorm.DB, nodeID types.NodeID, lastSeen time.Time) error {
 }
 
 // RenameNode takes a Node struct and a new GivenName for the nodes
-// and renames it. Validation should be done in the state layer before calling this function.
+// and renames it. If the name is not unique, it will return an error.
 func RenameNode(tx *gorm.DB,
 	nodeID types.NodeID, newName string,
 ) error {
-	if err := util.ValidateHostname(newName); err != nil {
+	err := util.CheckForFQDNRules(
+		newName,
+	)
+	if err != nil {
 		return fmt.Errorf("renaming node: %w", err)
 	}
 
-	// Check if the new name is unique
-	var count int64
-	if err := tx.Model(&types.Node{}).Where("given_name = ? AND id != ?", newName, nodeID).Count(&count).Error; err != nil {
-		return fmt.Errorf("failed to check name uniqueness: %w", err)
+	uniq, err := isUniqueName(tx, newName)
+	if err != nil {
+		return fmt.Errorf("checking if name is unique: %w", err)
 	}
 
-	if count > 0 {
-		return errors.New("name is not unique")
+	if !uniq {
+		return fmt.Errorf("name is not unique: %s", newName)
 	}
 
 	if err := tx.Model(&types.Node{}).Where("id = ?", nodeID).Update("given_name", newName).Error; err != nil {
@@ -342,19 +339,106 @@ func (hsdb *HSDatabase) DeleteEphemeralNode(
 	})
 }
 
-// RegisterNodeForTest is used only for testing purposes to register a node directly in the database.
-// Production code should use state.HandleNodeFromAuthPath or state.HandleNodeFromPreAuthKey.
-func RegisterNodeForTest(tx *gorm.DB, node types.Node, ipv4 *netip.Addr, ipv6 *netip.Addr) (*types.Node, error) {
-	if !testing.Testing() {
-		panic("RegisterNodeForTest can only be called during tests")
-	}
+// HandleNodeFromAuthPath is called from the OIDC or CLI auth path
+// with a registrationID to register or reauthenticate a node.
+// If the node found in the registration cache is not already registered,
+// it will be registered with the user and the node will be removed from the cache.
+// If the node is already registered, the expiry will be updated.
+// The node, and a boolean indicating if it was a new node or not, will be returned.
+func (hsdb *HSDatabase) HandleNodeFromAuthPath(
+	registrationID types.RegistrationID,
+	userID types.UserID,
+	nodeExpiry *time.Time,
+	registrationMethod string,
+	ipv4 *netip.Addr,
+	ipv6 *netip.Addr,
+) (*types.Node, bool, error) {
+	var newNode bool
+	node, err := Write(hsdb.DB, func(tx *gorm.DB) (*types.Node, error) {
+		if reg, ok := hsdb.regCache.Get(registrationID); ok {
+			if node, _ := GetNodeByNodeKey(tx, reg.Node.NodeKey); node == nil {
+				user, err := GetUserByID(tx, userID)
+				if err != nil {
+					return nil, fmt.Errorf(
+						"failed to find user in register node from auth callback, %w",
+						err,
+					)
+				}
 
+				log.Debug().
+					Str("registration_id", registrationID.String()).
+					Str("username", user.Username()).
+					Str("registrationMethod", registrationMethod).
+					Str("expiresAt", fmt.Sprintf("%v", nodeExpiry)).
+					Msg("Registering node from API/CLI or auth callback")
+
+				// TODO(kradalby): This looks quite wrong? why ID 0?
+				// Why not always?
+				// Registration of expired node with different user
+				if reg.Node.ID != 0 &&
+					reg.Node.UserID != user.ID {
+					return nil, ErrDifferentRegisteredUser
+				}
+
+				reg.Node.UserID = user.ID
+				reg.Node.User = *user
+				reg.Node.RegisterMethod = registrationMethod
+
+				if nodeExpiry != nil {
+					reg.Node.Expiry = nodeExpiry
+				}
+
+				node, err := RegisterNode(
+					tx,
+					reg.Node,
+					ipv4, ipv6,
+				)
+
+				if err == nil {
+					hsdb.regCache.Delete(registrationID)
+				}
+
+				// Signal to waiting clients that the machine has been registered.
+				select {
+				case reg.Registered <- node:
+				default:
+				}
+				close(reg.Registered)
+
+				newNode = true
+
+				return node, err
+			} else {
+				// If the node is already registered, this is a refresh.
+				err := NodeSetExpiry(tx, node.ID, *nodeExpiry)
+				if err != nil {
+					return nil, err
+				}
+
+				return node, nil
+			}
+		}
+
+		return nil, ErrNodeNotFoundRegistrationCache
+	})
+
+	return node, newNode, err
+}
+
+func (hsdb *HSDatabase) RegisterNode(node types.Node, ipv4 *netip.Addr, ipv6 *netip.Addr) (*types.Node, error) {
+	return Write(hsdb.DB, func(tx *gorm.DB) (*types.Node, error) {
+		return RegisterNode(tx, node, ipv4, ipv6)
+	})
+}
+
+// RegisterNode is executed from the CLI to register a new Node using its MachineKey.
+func RegisterNode(tx *gorm.DB, node types.Node, ipv4 *netip.Addr, ipv6 *netip.Addr) (*types.Node, error) {
 	log.Debug().
 		Str("node", node.Hostname).
 		Str("machine_key", node.MachineKey.ShortString()).
 		Str("node_key", node.NodeKey.ShortString()).
 		Str("user", node.User.Username()).
-		Msg("Registering test node")
+		Msg("Registering node")
 
 	// If the a new node is registered with the same machine key, to the same user,
 	// update the existing node.
@@ -364,14 +448,8 @@ func RegisterNodeForTest(tx *gorm.DB, node types.Node, ipv4 *netip.Addr, ipv6 *n
 	if oldNode != nil && oldNode.UserID == node.UserID {
 		node.ID = oldNode.ID
 		node.GivenName = oldNode.GivenName
-		node.ApprovedRoutes = oldNode.ApprovedRoutes
-		// Don't overwrite the provided IPs with old ones when they exist
-		if ipv4 == nil {
-			ipv4 = oldNode.IPv4
-		}
-		if ipv6 == nil {
-			ipv6 = oldNode.IPv6
-		}
+		ipv4 = oldNode.IPv4
+		ipv6 = oldNode.IPv6
 	}
 
 	// If the node exists and it already has IP(s), we just save it
@@ -388,7 +466,7 @@ func RegisterNodeForTest(tx *gorm.DB, node types.Node, ipv4 *netip.Addr, ipv6 *n
 			Str("machine_key", node.MachineKey.ShortString()).
 			Str("node_key", node.NodeKey.ShortString()).
 			Str("user", node.User.Username()).
-			Msg("Test node authorized again")
+			Msg("Node authorized again")
 
 		return &node, nil
 	}
@@ -396,16 +474,8 @@ func RegisterNodeForTest(tx *gorm.DB, node types.Node, ipv4 *netip.Addr, ipv6 *n
 	node.IPv4 = ipv4
 	node.IPv6 = ipv6
 
-	var err error
-	node.Hostname, err = util.NormaliseHostname(node.Hostname)
-	if err != nil {
-		newHostname := util.InvalidString()
-		log.Info().Err(err).Str("invalid-hostname", node.Hostname).Str("new-hostname", newHostname).Msgf("Invalid hostname, replacing")
-		node.Hostname = newHostname
-	}
-
 	if node.GivenName == "" {
-		givenName, err := EnsureUniqueGivenName(tx, node.Hostname)
+		givenName, err := ensureUniqueGivenName(tx, node.Hostname)
 		if err != nil {
 			return nil, fmt.Errorf("failed to ensure unique given name: %w", err)
 		}
@@ -420,7 +490,7 @@ func RegisterNodeForTest(tx *gorm.DB, node types.Node, ipv4 *netip.Addr, ipv6 *n
 	log.Trace().
 		Caller().
 		Str("node", node.Hostname).
-		Msg("Test node registered with the database")
+		Msg("Node registered with the database")
 
 	return &node, nil
 }
@@ -452,11 +522,15 @@ func NodeSetMachineKey(
 	}).Error
 }
 
-func generateGivenName(suppliedName string, randomSuffix bool) (string, error) {
-	// Strip invalid DNS characters for givenName
-	suppliedName = strings.ToLower(suppliedName)
-	suppliedName = invalidDNSRegex.ReplaceAllString(suppliedName, "")
+// NodeSave saves a node object to the database, prefer to use a specific save method rather
+// than this. It is intended to be used when we are changing or.
+// TODO(kradalby): Remove this func, just use Save.
+func NodeSave(tx *gorm.DB, node *types.Node) error {
+	return tx.Save(node).Error
+}
 
+func generateGivenName(suppliedName string, randomSuffix bool) (string, error) {
+	suppliedName = util.ConvertWithFQDNRules(suppliedName)
 	if len(suppliedName) > util.LabelHostnameLength {
 		return "", types.ErrHostnameTooLong
 	}
@@ -489,8 +563,7 @@ func isUniqueName(tx *gorm.DB, name string) (bool, error) {
 	return len(nodes) == 0, nil
 }
 
-// EnsureUniqueGivenName generates a unique given name for a node based on its hostname.
-func EnsureUniqueGivenName(
+func ensureUniqueGivenName(
 	tx *gorm.DB,
 	name string,
 ) (string, error) {
@@ -516,6 +589,39 @@ func EnsureUniqueGivenName(
 	return givenName, nil
 }
 
+// ExpireExpiredNodes checks for nodes that have expired since the last check
+// and returns a time to be used for the next check, a StateUpdate
+// containing the expired nodes, and a boolean indicating if any nodes were found.
+func ExpireExpiredNodes(tx *gorm.DB,
+	lastCheck time.Time,
+) (time.Time, types.StateUpdate, bool) {
+	// use the time of the start of the function to ensure we
+	// dont miss some nodes by returning it _after_ we have
+	// checked everything.
+	started := time.Now()
+
+	expired := make([]*tailcfg.PeerChange, 0)
+
+	nodes, err := ListNodes(tx)
+	if err != nil {
+		return time.Unix(0, 0), types.StateUpdate{}, false
+	}
+	for _, node := range nodes {
+		if node.IsExpired() && node.Expiry.After(lastCheck) {
+			expired = append(expired, &tailcfg.PeerChange{
+				NodeID:    tailcfg.NodeID(node.ID),
+				KeyExpiry: node.Expiry,
+			})
+		}
+	}
+
+	if len(expired) > 0 {
+		return started, types.UpdatePeerPatch(expired...), true
+	}
+
+	return started, types.StateUpdate{}, false
+}
+
 // EphemeralGarbageCollector is a garbage collector that will delete nodes after
 // a certain amount of time.
 // It is used to delete ephemeral nodes that have disconnected and should be
@@ -626,138 +732,3 @@ func (e *EphemeralGarbageCollector) Start() {
 		}
 	}
 }
-
-func (hsdb *HSDatabase) CreateNodeForTest(user *types.User, hostname ...string) *types.Node {
-	if !testing.Testing() {
-		panic("CreateNodeForTest can only be called during tests")
-	}
-
-	if user == nil {
-		panic("CreateNodeForTest requires a valid user")
-	}
-
-	nodeName := "testnode"
-	if len(hostname) > 0 && hostname[0] != "" {
-		nodeName = hostname[0]
-	}
-
-	// Create a preauth key for the node
-	pak, err := hsdb.CreatePreAuthKey(types.UserID(user.ID), false, false, nil, nil)
-	if err != nil {
-		panic(fmt.Sprintf("failed to create preauth key for test node: %v", err))
-	}
-
-	nodeKey := key.NewNode()
-	machineKey := key.NewMachine()
-	discoKey := key.NewDisco()
-
-	node := &types.Node{
-		MachineKey:     machineKey.Public(),
-		NodeKey:        nodeKey.Public(),
-		DiscoKey:       discoKey.Public(),
-		Hostname:       nodeName,
-		UserID:         user.ID,
-		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      ptr.To(pak.ID),
-	}
-
-	err = hsdb.DB.Save(node).Error
-	if err != nil {
-		panic(fmt.Sprintf("failed to create test node: %v", err))
-	}
-
-	return node
-}
-
-func (hsdb *HSDatabase) CreateRegisteredNodeForTest(user *types.User, hostname ...string) *types.Node {
-	if !testing.Testing() {
-		panic("CreateRegisteredNodeForTest can only be called during tests")
-	}
-
-	node := hsdb.CreateNodeForTest(user, hostname...)
-
-	// Allocate IPs for the test node using the database's IP allocator
-	// This is a simplified allocation for testing - in production this would use State.ipAlloc
-	ipv4, ipv6, err := hsdb.allocateTestIPs(node.ID)
-	if err != nil {
-		panic(fmt.Sprintf("failed to allocate IPs for test node: %v", err))
-	}
-
-	var registeredNode *types.Node
-	err = hsdb.DB.Transaction(func(tx *gorm.DB) error {
-		var err error
-		registeredNode, err = RegisterNodeForTest(tx, *node, ipv4, ipv6)
-		return err
-	})
-	if err != nil {
-		panic(fmt.Sprintf("failed to register test node: %v", err))
-	}
-
-	return registeredNode
-}
-
-func (hsdb *HSDatabase) CreateNodesForTest(user *types.User, count int, hostnamePrefix ...string) []*types.Node {
-	if !testing.Testing() {
-		panic("CreateNodesForTest can only be called during tests")
-	}
-
-	if user == nil {
-		panic("CreateNodesForTest requires a valid user")
-	}
-
-	prefix := "testnode"
-	if len(hostnamePrefix) > 0 && hostnamePrefix[0] != "" {
-		prefix = hostnamePrefix[0]
-	}
-
-	nodes := make([]*types.Node, count)
-	for i := range count {
-		hostname := prefix + "-" + strconv.Itoa(i)
-		nodes[i] = hsdb.CreateNodeForTest(user, hostname)
-	}
-
-	return nodes
-}
-
-func (hsdb *HSDatabase) CreateRegisteredNodesForTest(user *types.User, count int, hostnamePrefix ...string) []*types.Node {
-	if !testing.Testing() {
-		panic("CreateRegisteredNodesForTest can only be called during tests")
-	}
-
-	if user == nil {
-		panic("CreateRegisteredNodesForTest requires a valid user")
-	}
-
-	prefix := "testnode"
-	if len(hostnamePrefix) > 0 && hostnamePrefix[0] != "" {
-		prefix = hostnamePrefix[0]
-	}
-
-	nodes := make([]*types.Node, count)
-	for i := range count {
-		hostname := prefix + "-" + strconv.Itoa(i)
-		nodes[i] = hsdb.CreateRegisteredNodeForTest(user, hostname)
-	}
-
-	return nodes
-}
-
-// allocateTestIPs allocates sequential test IPs for nodes during testing.
-func (hsdb *HSDatabase) allocateTestIPs(nodeID types.NodeID) (*netip.Addr, *netip.Addr, error) {
-	if !testing.Testing() {
-		panic("allocateTestIPs can only be called during tests")
-	}
-
-	// Use simple sequential allocation for tests
-	// IPv4: 100.64.0.x (where x is nodeID)
-	// IPv6: fd7a:115c:a1e0::x (where x is nodeID)
-
-	if nodeID > 254 {
-		return nil, nil, fmt.Errorf("test node ID %d too large for simple IP allocation", nodeID)
-	}
-
-	ipv4 := netip.AddrFrom4([4]byte{100, 64, 0, byte(nodeID)})
-	ipv6 := netip.AddrFrom16([16]byte{0xfd, 0x7a, 0x11, 0x5c, 0xa1, 0xe0, 0, 0, 0, 0, 0, 0, 0, 0, 0, byte(nodeID)})
-
-	return &ipv4, &ipv6, nil
-}

hscontrol/db/node_test.go

@@ -6,6 +6,7 @@ import (
 	"math/big"
 	"net/netip"
 	"regexp"
+	"strconv"
 	"sync"
 	"testing"
 	"time"
@@ -25,36 +26,82 @@ import (
 )
 
 func (s *Suite) TestGetNode(c *check.C) {
-	user := db.CreateUserForTest("test")
+	user, err := db.CreateUser(types.User{Name: "test"})
+	c.Assert(err, check.IsNil)
 
-	_, err := db.getNode(types.UserID(user.ID), "testnode")
+	pak, err := db.CreatePreAuthKey(types.UserID(user.ID), false, false, nil, nil)
+	c.Assert(err, check.IsNil)
+
+	_, err = db.getNode(types.UserID(user.ID), "testnode")
 	c.Assert(err, check.NotNil)
 
-	node := db.CreateNodeForTest(user, "testnode")
+	nodeKey := key.NewNode()
+	machineKey := key.NewMachine()
+
+	node := &types.Node{
+		ID:             0,
+		MachineKey:     machineKey.Public(),
+		NodeKey:        nodeKey.Public(),
+		Hostname:       "testnode",
+		UserID:         user.ID,
+		RegisterMethod: util.RegisterMethodAuthKey,
+		AuthKeyID:      ptr.To(pak.ID),
+	}
+	trx := db.DB.Save(node)
+	c.Assert(trx.Error, check.IsNil)
 
 	_, err = db.getNode(types.UserID(user.ID), "testnode")
 	c.Assert(err, check.IsNil)
-	c.Assert(node.Hostname, check.Equals, "testnode")
 }
 
 func (s *Suite) TestGetNodeByID(c *check.C) {
-	user := db.CreateUserForTest("test")
+	user, err := db.CreateUser(types.User{Name: "test"})
+	c.Assert(err, check.IsNil)
 
-	_, err := db.GetNodeByID(0)
+	pak, err := db.CreatePreAuthKey(types.UserID(user.ID), false, false, nil, nil)
+	c.Assert(err, check.IsNil)
+
+	_, err = db.GetNodeByID(0)
 	c.Assert(err, check.NotNil)
 
-	node := db.CreateNodeForTest(user, "testnode")
+	nodeKey := key.NewNode()
+	machineKey := key.NewMachine()
 
-	retrievedNode, err := db.GetNodeByID(node.ID)
+	node := types.Node{
+		ID:             0,
+		MachineKey:     machineKey.Public(),
+		NodeKey:        nodeKey.Public(),
+		Hostname:       "testnode",
+		UserID:         user.ID,
+		RegisterMethod: util.RegisterMethodAuthKey,
+		AuthKeyID:      ptr.To(pak.ID),
+	}
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
+
+	_, err = db.GetNodeByID(0)
 	c.Assert(err, check.IsNil)
-	c.Assert(retrievedNode.Hostname, check.Equals, "testnode")
 }
 
 func (s *Suite) TestHardDeleteNode(c *check.C) {
-	user := db.CreateUserForTest("test")
-	node := db.CreateNodeForTest(user, "testnode3")
+	user, err := db.CreateUser(types.User{Name: "test"})
+	c.Assert(err, check.IsNil)
 
-	err := db.DeleteNode(node)
+	nodeKey := key.NewNode()
+	machineKey := key.NewMachine()
+
+	node := types.Node{
+		ID:             0,
+		MachineKey:     machineKey.Public(),
+		NodeKey:        nodeKey.Public(),
+		Hostname:       "testnode3",
+		UserID:         user.ID,
+		RegisterMethod: util.RegisterMethodAuthKey,
+	}
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
+
+	err = db.DeleteNode(&node)
 	c.Assert(err, check.IsNil)
 
 	_, err = db.getNode(types.UserID(user.ID), "testnode3")
@@ -62,21 +109,42 @@ func (s *Suite) TestHardDeleteNode(c *check.C) {
 }
 
 func (s *Suite) TestListPeers(c *check.C) {
-	user := db.CreateUserForTest("test")
-
-	_, err := db.GetNodeByID(0)
-	c.Assert(err, check.NotNil)
-
-	nodes := db.CreateNodesForTest(user, 11, "testnode")
-
-	firstNode := nodes[0]
-	peersOfFirstNode, err := db.ListPeers(firstNode.ID)
+	user, err := db.CreateUser(types.User{Name: "test"})
 	c.Assert(err, check.IsNil)
 
-	c.Assert(len(peersOfFirstNode), check.Equals, 10)
-	c.Assert(peersOfFirstNode[0].Hostname, check.Equals, "testnode-1")
-	c.Assert(peersOfFirstNode[5].Hostname, check.Equals, "testnode-6")
-	c.Assert(peersOfFirstNode[9].Hostname, check.Equals, "testnode-10")
+	pak, err := db.CreatePreAuthKey(types.UserID(user.ID), false, false, nil, nil)
+	c.Assert(err, check.IsNil)
+
+	_, err = db.GetNodeByID(0)
+	c.Assert(err, check.NotNil)
+
+	for index := range 11 {
+		nodeKey := key.NewNode()
+		machineKey := key.NewMachine()
+
+		node := types.Node{
+			ID:             types.NodeID(index),
+			MachineKey:     machineKey.Public(),
+			NodeKey:        nodeKey.Public(),
+			Hostname:       "testnode" + strconv.Itoa(index),
+			UserID:         user.ID,
+			RegisterMethod: util.RegisterMethodAuthKey,
+			AuthKeyID:      ptr.To(pak.ID),
+		}
+		trx := db.DB.Save(&node)
+		c.Assert(trx.Error, check.IsNil)
+	}
+
+	node0ByID, err := db.GetNodeByID(0)
+	c.Assert(err, check.IsNil)
+
+	peersOfNode0, err := db.ListPeers(node0ByID.ID)
+	c.Assert(err, check.IsNil)
+
+	c.Assert(len(peersOfNode0), check.Equals, 9)
+	c.Assert(peersOfNode0[0].Hostname, check.Equals, "testnode2")
+	c.Assert(peersOfNode0[5].Hostname, check.Equals, "testnode7")
+	c.Assert(peersOfNode0[8].Hostname, check.Equals, "testnode10")
 }
 
 func (s *Suite) TestExpireNode(c *check.C) {
@@ -292,57 +360,12 @@ func TestHeadscale_generateGivenName(t *testing.T) {
 
 func TestAutoApproveRoutes(t *testing.T) {
 	tests := []struct {
-		name         string
-		acl          string
-		routes       []netip.Prefix
-		want         []netip.Prefix
-		want2        []netip.Prefix
-		expectChange bool // whether to expect route changes
+		name   string
+		acl    string
+		routes []netip.Prefix
+		want   []netip.Prefix
+		want2  []netip.Prefix
 	}{
-		{
-			name: "no-auto-approvers-empty-policy",
-			acl: `
-{
-	"groups": {
-		"group:admins": ["test@"]
-	},
-	"acls": [
-		{
-			"action": "accept",
-			"src": ["group:admins"],
-			"dst": ["group:admins:*"]
-		}
-	]
-}`,
-			routes:       []netip.Prefix{netip.MustParsePrefix("10.33.0.0/16")},
-			want:         []netip.Prefix{}, // Should be empty - no auto-approvers
-			want2:        []netip.Prefix{}, // Should be empty - no auto-approvers
-			expectChange: false,            // No changes expected
-		},
-		{
-			name: "no-auto-approvers-explicit-empty",
-			acl: `
-{
-	"groups": {
-		"group:admins": ["test@"]
-	},
-	"acls": [
-		{
-			"action": "accept",
-			"src": ["group:admins"],
-			"dst": ["group:admins:*"]
-		}
-	],
-	"autoApprovers": {
-		"routes": {},
-		"exitNode": []
-	}
-}`,
-			routes:       []netip.Prefix{netip.MustParsePrefix("10.33.0.0/16")},
-			want:         []netip.Prefix{}, // Should be empty - explicitly empty auto-approvers
-			want2:        []netip.Prefix{}, // Should be empty - explicitly empty auto-approvers
-			expectChange: false,            // No changes expected
-		},
 		{
 			name: "2068-approve-issue-sub-kube",
 			acl: `
@@ -361,9 +384,8 @@ func TestAutoApproveRoutes(t *testing.T) {
 		}
 	}
 }`,
-			routes:       []netip.Prefix{netip.MustParsePrefix("10.42.7.0/24")},
-			want:         []netip.Prefix{netip.MustParsePrefix("10.42.7.0/24")},
-			expectChange: true, // Routes should be approved
+			routes: []netip.Prefix{netip.MustParsePrefix("10.42.7.0/24")},
+			want:   []netip.Prefix{netip.MustParsePrefix("10.42.7.0/24")},
 		},
 		{
 			name: "2068-approve-issue-sub-exit-tag",
@@ -407,7 +429,6 @@ func TestAutoApproveRoutes(t *testing.T) {
 				tsaddr.AllIPv4(),
 				tsaddr.AllIPv6(),
 			},
-			expectChange: true, // Routes should be approved
 		},
 	}
 
@@ -468,40 +489,28 @@ func TestAutoApproveRoutes(t *testing.T) {
 				require.NoError(t, err)
 				require.NotNil(t, pm)
 
-				newRoutes1, changed1 := policy.ApproveRoutesWithPolicy(pm, node.View(), node.ApprovedRoutes, tt.routes)
-				assert.Equal(t, tt.expectChange, changed1)
+				changed1 := policy.AutoApproveRoutes(pm, &node)
+				assert.True(t, changed1)
 
-				if changed1 {
-					err = SetApprovedRoutes(adb.DB, node.ID, newRoutes1)
-					require.NoError(t, err)
-				}
+				err = adb.DB.Save(&node).Error
+				require.NoError(t, err)
 
-				newRoutes2, changed2 := policy.ApproveRoutesWithPolicy(pm, nodeTagged.View(), nodeTagged.ApprovedRoutes, tt.routes)
-				if changed2 {
-					err = SetApprovedRoutes(adb.DB, nodeTagged.ID, newRoutes2)
-					require.NoError(t, err)
-				}
+				_ = policy.AutoApproveRoutes(pm, &nodeTagged)
+
+				err = adb.DB.Save(&nodeTagged).Error
+				require.NoError(t, err)
 
 				node1ByID, err := adb.GetNodeByID(1)
 				require.NoError(t, err)
 
-				// For empty auto-approvers tests, handle nil vs empty slice comparison
-				expectedRoutes1 := tt.want
-				if len(expectedRoutes1) == 0 {
-					expectedRoutes1 = nil
-				}
-				if diff := cmp.Diff(expectedRoutes1, node1ByID.AllApprovedRoutes(), util.Comparers...); diff != "" {
+				if diff := cmp.Diff(tt.want, node1ByID.SubnetRoutes(), util.Comparers...); diff != "" {
 					t.Errorf("unexpected enabled routes (-want +got):\n%s", diff)
 				}
 
 				node2ByID, err := adb.GetNodeByID(2)
 				require.NoError(t, err)
 
-				expectedRoutes2 := tt.want2
-				if len(expectedRoutes2) == 0 {
-					expectedRoutes2 = nil
-				}
-				if diff := cmp.Diff(expectedRoutes2, node2ByID.AllApprovedRoutes(), util.Comparers...); diff != "" {
+				if diff := cmp.Diff(tt.want2, node2ByID.SubnetRoutes(), util.Comparers...); diff != "" {
 					t.Errorf("unexpected enabled routes (-want +got):\n%s", diff)
 				}
 			})
@@ -640,7 +649,7 @@ func TestListEphemeralNodes(t *testing.T) {
 	assert.Equal(t, nodeEph.Hostname, ephemeralNodes[0].Hostname)
 }
 
-func TestNodeNaming(t *testing.T) {
+func TestRenameNode(t *testing.T) {
 	db, err := newSQLiteTestDB()
 	if err != nil {
 		t.Fatalf("creating db: %s", err)
@@ -672,26 +681,6 @@ func TestNodeNaming(t *testing.T) {
 		Hostinfo:       &tailcfg.Hostinfo{},
 	}
 
-	// Using non-ASCII characters in the hostname can
-	// break your network, so they should be replaced when registering
-	// a node.
-	// https://github.com/juanfont/headscale/issues/2343
-	nodeInvalidHostname := types.Node{
-		MachineKey:     key.NewMachine().Public(),
-		NodeKey:        key.NewNode().Public(),
-		Hostname:       "我的电脑",
-		UserID:         user2.ID,
-		RegisterMethod: util.RegisterMethodAuthKey,
-	}
-
-	nodeShortHostname := types.Node{
-		MachineKey:     key.NewMachine().Public(),
-		NodeKey:        key.NewNode().Public(),
-		Hostname:       "a",
-		UserID:         user2.ID,
-		RegisterMethod: util.RegisterMethodAuthKey,
-	}
-
 	err = db.DB.Save(&node).Error
 	require.NoError(t, err)
 
@@ -699,16 +688,12 @@ func TestNodeNaming(t *testing.T) {
 	require.NoError(t, err)
 
 	err = db.DB.Transaction(func(tx *gorm.DB) error {
-		_, err := RegisterNodeForTest(tx, node, nil, nil)
+		_, err := RegisterNode(tx, node, nil, nil)
 		if err != nil {
 			return err
 		}
-		_, err = RegisterNodeForTest(tx, node2, nil, nil)
-		if err != nil {
-			return err
-		}
-		_, err = RegisterNodeForTest(tx, nodeInvalidHostname, ptr.To(mpp("100.64.0.66/32").Addr()), nil)
-		_, err = RegisterNodeForTest(tx, nodeShortHostname, ptr.To(mpp("100.64.0.67/32").Addr()), nil)
+		_, err = RegisterNode(tx, node2, nil, nil)
+
 		return err
 	})
 	require.NoError(t, err)
@@ -716,12 +701,10 @@ func TestNodeNaming(t *testing.T) {
 	nodes, err := db.ListNodes()
 	require.NoError(t, err)
 
-	assert.Len(t, nodes, 4)
+	assert.Len(t, nodes, 2)
 
 	t.Logf("node1 %s %s", nodes[0].Hostname, nodes[0].GivenName)
 	t.Logf("node2 %s %s", nodes[1].Hostname, nodes[1].GivenName)
-	t.Logf("node3 %s %s", nodes[2].Hostname, nodes[2].GivenName)
-	t.Logf("node4 %s %s", nodes[3].Hostname, nodes[3].GivenName)
 
 	assert.Equal(t, nodes[0].Hostname, nodes[0].GivenName)
 	assert.NotEqual(t, nodes[1].Hostname, nodes[1].GivenName)
@@ -733,10 +716,6 @@ func TestNodeNaming(t *testing.T) {
 	assert.Len(t, nodes[1].Hostname, 4)
 	assert.Len(t, nodes[0].GivenName, 4)
 	assert.Len(t, nodes[1].GivenName, 13)
-	assert.Contains(t, nodes[2].Hostname, "invalid-") // invalid chars
-	assert.Contains(t, nodes[2].GivenName, "invalid-")
-	assert.Contains(t, nodes[3].Hostname, "invalid-") // too short
-	assert.Contains(t, nodes[3].GivenName, "invalid-")
 
 	// Nodes can be renamed to a unique name
 	err = db.Write(func(tx *gorm.DB) error {
@@ -746,7 +725,7 @@ func TestNodeNaming(t *testing.T) {
 
 	nodes, err = db.ListNodes()
 	require.NoError(t, err)
-	assert.Len(t, nodes, 4)
+	assert.Len(t, nodes, 2)
 	assert.Equal(t, "test", nodes[0].Hostname)
 	assert.Equal(t, "newname", nodes[0].GivenName)
 
@@ -758,7 +737,7 @@ func TestNodeNaming(t *testing.T) {
 
 	nodes, err = db.ListNodes()
 	require.NoError(t, err)
-	assert.Len(t, nodes, 4)
+	assert.Len(t, nodes, 2)
 	assert.Equal(t, "test", nodes[0].Hostname)
 	assert.Equal(t, "newname", nodes[0].GivenName)
 	assert.Equal(t, "test", nodes[1].GivenName)
@@ -768,149 +747,6 @@ func TestNodeNaming(t *testing.T) {
 		return RenameNode(tx, nodes[0].ID, "test")
 	})
 	assert.ErrorContains(t, err, "name is not unique")
-
-	// Rename invalid chars
-	err = db.Write(func(tx *gorm.DB) error {
-		return RenameNode(tx, nodes[2].ID, "我的电脑")
-	})
-	assert.ErrorContains(t, err, "invalid characters")
-
-	// Rename too short
-	err = db.Write(func(tx *gorm.DB) error {
-		return RenameNode(tx, nodes[3].ID, "a")
-	})
-	assert.ErrorContains(t, err, "at least 2 characters")
-
-	// Rename with emoji
-	err = db.Write(func(tx *gorm.DB) error {
-		return RenameNode(tx, nodes[0].ID, "hostname-with-💩")
-	})
-	assert.ErrorContains(t, err, "invalid characters")
-
-	// Rename with only emoji
-	err = db.Write(func(tx *gorm.DB) error {
-		return RenameNode(tx, nodes[0].ID, "🚀")
-	})
-	assert.ErrorContains(t, err, "invalid characters")
-}
-
-func TestRenameNodeComprehensive(t *testing.T) {
-	db, err := newSQLiteTestDB()
-	if err != nil {
-		t.Fatalf("creating db: %s", err)
-	}
-
-	user, err := db.CreateUser(types.User{Name: "test"})
-	require.NoError(t, err)
-
-	node := types.Node{
-		ID:             0,
-		MachineKey:     key.NewMachine().Public(),
-		NodeKey:        key.NewNode().Public(),
-		Hostname:       "testnode",
-		UserID:         user.ID,
-		RegisterMethod: util.RegisterMethodAuthKey,
-		Hostinfo:       &tailcfg.Hostinfo{},
-	}
-
-	err = db.DB.Save(&node).Error
-	require.NoError(t, err)
-
-	err = db.DB.Transaction(func(tx *gorm.DB) error {
-		_, err := RegisterNodeForTest(tx, node, nil, nil)
-		return err
-	})
-	require.NoError(t, err)
-
-	nodes, err := db.ListNodes()
-	require.NoError(t, err)
-	assert.Len(t, nodes, 1)
-
-	tests := []struct {
-		name    string
-		newName string
-		wantErr string
-	}{
-		{
-			name:    "uppercase_rejected",
-			newName: "User2-Host",
-			wantErr: "must be lowercase",
-		},
-		{
-			name:    "underscore_rejected",
-			newName: "test_node",
-			wantErr: "invalid characters",
-		},
-		{
-			name:    "at_sign_uppercase_rejected",
-			newName: "Test@Host",
-			wantErr: "must be lowercase",
-		},
-		{
-			name:    "at_sign_rejected",
-			newName: "test@host",
-			wantErr: "invalid characters",
-		},
-		{
-			name:    "chinese_chars_with_dash_rejected",
-			newName: "server-北京-01",
-			wantErr: "invalid characters",
-		},
-		{
-			name:    "chinese_only_rejected",
-			newName: "我的电脑",
-			wantErr: "invalid characters",
-		},
-		{
-			name:    "emoji_with_text_rejected",
-			newName: "laptop-🚀",
-			wantErr: "invalid characters",
-		},
-		{
-			name:    "mixed_chinese_emoji_rejected",
-			newName: "测试💻机器",
-			wantErr: "invalid characters",
-		},
-		{
-			name:    "only_emojis_rejected",
-			newName: "🎉🎊",
-			wantErr: "invalid characters",
-		},
-		{
-			name:    "only_at_signs_rejected",
-			newName: "@@@",
-			wantErr: "invalid characters",
-		},
-		{
-			name:    "starts_with_dash_rejected",
-			newName: "-test",
-			wantErr: "cannot start or end with a hyphen",
-		},
-		{
-			name:    "ends_with_dash_rejected",
-			newName: "test-",
-			wantErr: "cannot start or end with a hyphen",
-		},
-		{
-			name:    "too_long_hostname_rejected",
-			newName: "this-is-a-very-long-hostname-that-exceeds-sixty-three-characters-limit",
-			wantErr: "must not exceed 63 characters",
-		},
-		{
-			name:    "too_short_hostname_rejected",
-			newName: "a",
-			wantErr: "at least 2 characters",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			err := db.Write(func(tx *gorm.DB) error {
-				return RenameNode(tx, nodes[0].ID, tt.newName)
-			})
-			assert.ErrorContains(t, err, tt.wantErr)
-		})
-	}
 }
 
 func TestListPeers(t *testing.T) {
@@ -953,11 +789,11 @@ func TestListPeers(t *testing.T) {
 	require.NoError(t, err)
 
 	err = db.DB.Transaction(func(tx *gorm.DB) error {
-		_, err := RegisterNodeForTest(tx, node1, nil, nil)
+		_, err := RegisterNode(tx, node1, nil, nil)
 		if err != nil {
 			return err
 		}
-		_, err = RegisterNodeForTest(tx, node2, nil, nil)
+		_, err = RegisterNode(tx, node2, nil, nil)
 
 		return err
 	})
@@ -1038,11 +874,11 @@ func TestListNodes(t *testing.T) {
 	require.NoError(t, err)
 
 	err = db.DB.Transaction(func(tx *gorm.DB) error {
-		_, err := RegisterNodeForTest(tx, node1, nil, nil)
+		_, err := RegisterNode(tx, node1, nil, nil)
 		if err != nil {
 			return err
 		}
-		_, err = RegisterNodeForTest(tx, node2, nil, nil)
+		_, err = RegisterNode(tx, node2, nil, nil)
 
 		return err
 	})

hscontrol/db/preauth_keys.go

@@ -5,7 +5,6 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
-	"slices"
 	"strings"
 	"time"
 
@@ -48,9 +47,8 @@ func CreatePreAuthKey(
 		return nil, err
 	}
 
-	// Remove duplicates and sort for consistency
+	// Remove duplicates
 	aclTags = set.SetOf(aclTags).Slice()
-	slices.Sort(aclTags)
 
 	// TODO(kradalby): factor out and create a reusable tag validation,
 	// check if there is one in Tailscale's lib.
@@ -111,7 +109,9 @@ func ListPreAuthKeysByUser(tx *gorm.DB, uid types.UserID) ([]types.PreAuthKey, e
 }
 
 func (hsdb *HSDatabase) GetPreAuthKey(key string) (*types.PreAuthKey, error) {
-	return GetPreAuthKey(hsdb.DB, key)
+	return Read(hsdb.DB, func(rx *gorm.DB) (*types.PreAuthKey, error) {
+		return GetPreAuthKey(rx, key)
+	})
 }
 
 // GetPreAuthKey returns a PreAuthKey for a given key. The caller is responsible
@@ -145,19 +145,21 @@ func (hsdb *HSDatabase) ExpirePreAuthKey(k *types.PreAuthKey) error {
 
 // UsePreAuthKey marks a PreAuthKey as used.
 func UsePreAuthKey(tx *gorm.DB, k *types.PreAuthKey) error {
-	err := tx.Model(k).Update("used", true).Error
-	if err != nil {
+	k.Used = true
+	if err := tx.Save(k).Error; err != nil {
 		return fmt.Errorf("failed to update key used status in the database: %w", err)
 	}
 
-	k.Used = true
 	return nil
 }
 
 // MarkExpirePreAuthKey marks a PreAuthKey as expired.
 func ExpirePreAuthKey(tx *gorm.DB, k *types.PreAuthKey) error {
-	now := time.Now()
-	return tx.Model(&types.PreAuthKey{}).Where("id = ?", k.ID).Update("expiration", now).Error
+	if err := tx.Model(&k).Update("Expiration", time.Now()).Error; err != nil {
+		return err
+	}
+
+	return nil
 }
 
 func generateKey() (string, error) {

hscontrol/db/preauth_keys_test.go

@@ -1,7 +1,7 @@
 package db
 
 import (
-	"slices"
+	"sort"
 	"testing"
 
 	"github.com/juanfont/headscale/hscontrol/types"
@@ -57,7 +57,7 @@ func (*Suite) TestPreAuthKeyACLTags(c *check.C) {
 	listedPaks, err := db.ListPreAuthKeys(types.UserID(user.ID))
 	c.Assert(err, check.IsNil)
 	gotTags := listedPaks[0].Proto().GetAclTags()
-	slices.Sort(gotTags)
+	sort.Sort(sort.StringSlice(gotTags))
 	c.Assert(gotTags, check.DeepEquals, tags)
 }
 

hscontrol/db/testdata/sqlite/headscale_0.26.1_dump_schema-to-0.27.0-old-table-cleanup.sql

@@ -1,45 +0,0 @@
-PRAGMA foreign_keys=OFF;
-BEGIN TRANSACTION;
-CREATE TABLE `migrations` (`id` text,PRIMARY KEY (`id`));
-INSERT INTO migrations VALUES('202312101416');
-INSERT INTO migrations VALUES('202312101430');
-INSERT INTO migrations VALUES('202402151347');
-INSERT INTO migrations VALUES('2024041121742');
-INSERT INTO migrations VALUES('202406021630');
-INSERT INTO migrations VALUES('202409271400');
-INSERT INTO migrations VALUES('202407191627');
-INSERT INTO migrations VALUES('202408181235');
-INSERT INTO migrations VALUES('202501221827');
-INSERT INTO migrations VALUES('202501311657');
-INSERT INTO migrations VALUES('202502070949');
-INSERT INTO migrations VALUES('202502131714');
-INSERT INTO migrations VALUES('202502171819');
-INSERT INTO migrations VALUES('202505091439');
-INSERT INTO migrations VALUES('202505141324');
-CREATE TABLE `users` (`id` integer PRIMARY KEY AUTOINCREMENT,`created_at` datetime,`updated_at` datetime,`deleted_at` datetime,`name` text,`display_name` text,`email` text,`provider_identifier` text,`provider` text,`profile_pic_url` text);
-CREATE TABLE `pre_auth_keys` (`id` integer PRIMARY KEY AUTOINCREMENT,`key` text,`user_id` integer,`reusable` numeric,`ephemeral` numeric DEFAULT false,`used` numeric DEFAULT false,`tags` text,`created_at` datetime,`expiration` datetime,CONSTRAINT `fk_pre_auth_keys_user` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE SET NULL);
-CREATE TABLE `api_keys` (`id` integer PRIMARY KEY AUTOINCREMENT,`prefix` text,`hash` blob,`created_at` datetime,`expiration` datetime,`last_seen` datetime);
-CREATE TABLE IF NOT EXISTS "nodes"  (`id` integer PRIMARY KEY AUTOINCREMENT,`machine_key` text,`node_key` text,`disco_key` text,`endpoints` text,`host_info` text,`ipv4` text,`ipv6` text,`hostname` text,`given_name` varchar(63),`user_id` integer,`register_method` text,`forced_tags` text,`auth_key_id` integer,`expiry` datetime,`last_seen` datetime,`approved_routes` text,`created_at` datetime,`updated_at` datetime,`deleted_at` datetime,CONSTRAINT `fk_nodes_user` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE,CONSTRAINT `fk_nodes_auth_key` FOREIGN KEY (`auth_key_id`) REFERENCES `pre_auth_keys`(`id`));
-CREATE TABLE `policies` (`id` integer PRIMARY KEY AUTOINCREMENT,`created_at` datetime,`updated_at` datetime,`deleted_at` datetime,`data` text);
-DELETE FROM sqlite_sequence;
-INSERT INTO sqlite_sequence VALUES('nodes',0);
-CREATE INDEX `idx_users_deleted_at` ON `users`(`deleted_at`);
-CREATE UNIQUE INDEX `idx_api_keys_prefix` ON `api_keys`(`prefix`);
-CREATE INDEX `idx_policies_deleted_at` ON `policies`(`deleted_at`);
-CREATE UNIQUE INDEX idx_provider_identifier ON users (provider_identifier) WHERE provider_identifier IS NOT NULL;
-CREATE UNIQUE INDEX idx_name_provider_identifier ON users (name,provider_identifier);
-CREATE UNIQUE INDEX idx_name_no_provider_identifier ON users (name) WHERE provider_identifier IS NULL;
-
--- Create all the old tables we have had and ensure they are clean up.
-CREATE TABLE `namespaces` (`id` text,`deleted_at` datetime,PRIMARY KEY (`id`));
-CREATE TABLE `machines` (`id` text,PRIMARY KEY (`id`));
-CREATE TABLE `kvs` (`id` text,PRIMARY KEY (`id`));
-CREATE TABLE `shared_machines` (`id` text,`deleted_at` datetime,PRIMARY KEY (`id`));
-CREATE TABLE `pre_auth_key_acl_tags` (`id` text,PRIMARY KEY (`id`));
-CREATE TABLE `routes` (`id` text,`deleted_at` datetime,PRIMARY KEY (`id`));
-
-CREATE INDEX `idx_routes_deleted_at` ON `routes`(`deleted_at`);
-CREATE INDEX `idx_namespaces_deleted_at` ON `namespaces`(`deleted_at`);
-CREATE INDEX `idx_shared_machines_deleted_at` ON `shared_machines`(`deleted_at`);
-
-COMMIT;

hscontrol/db/testdata/sqlite/headscale_0.26.1_schema-litestream.sql

@@ -1,14 +0,0 @@
-CREATE TABLE `migrations` (`id` text,PRIMARY KEY (`id`));
-CREATE TABLE `users` (`id` integer PRIMARY KEY AUTOINCREMENT,`created_at` datetime,`updated_at` datetime,`deleted_at` datetime,`name` text,`display_name` text,`email` text,`provider_identifier` text,`provider` text,`profile_pic_url` text);
-CREATE INDEX `idx_users_deleted_at` ON `users`(`deleted_at`);
-CREATE TABLE `pre_auth_keys` (`id` integer PRIMARY KEY AUTOINCREMENT,`key` text,`user_id` integer,`reusable` numeric,`ephemeral` numeric DEFAULT false,`used` numeric DEFAULT false,`tags` text,`created_at` datetime,`expiration` datetime,CONSTRAINT `fk_pre_auth_keys_user` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE SET NULL);
-CREATE TABLE `api_keys` (`id` integer PRIMARY KEY AUTOINCREMENT,`prefix` text,`hash` blob,`created_at` datetime,`expiration` datetime,`last_seen` datetime);
-CREATE UNIQUE INDEX `idx_api_keys_prefix` ON `api_keys`(`prefix`);
-CREATE TABLE IF NOT EXISTS "nodes"  (`id` integer PRIMARY KEY AUTOINCREMENT,`machine_key` text,`node_key` text,`disco_key` text,`endpoints` text,`host_info` text,`ipv4` text,`ipv6` text,`hostname` text,`given_name` varchar(63),`user_id` integer,`register_method` text,`forced_tags` text,`auth_key_id` integer,`expiry` datetime,`last_seen` datetime,`approved_routes` text,`created_at` datetime,`updated_at` datetime,`deleted_at` datetime,CONSTRAINT `fk_nodes_user` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE,CONSTRAINT `fk_nodes_auth_key` FOREIGN KEY (`auth_key_id`) REFERENCES `pre_auth_keys`(`id`));
-CREATE TABLE `policies` (`id` integer PRIMARY KEY AUTOINCREMENT,`created_at` datetime,`updated_at` datetime,`deleted_at` datetime,`data` text);
-CREATE INDEX `idx_policies_deleted_at` ON `policies`(`deleted_at`);
-CREATE UNIQUE INDEX idx_provider_identifier ON users (provider_identifier) WHERE provider_identifier IS NOT NULL;
-CREATE UNIQUE INDEX idx_name_provider_identifier ON users (name,provider_identifier);
-CREATE UNIQUE INDEX idx_name_no_provider_identifier ON users (name) WHERE provider_identifier IS NULL;
-CREATE TABLE _litestream_seq (id INTEGER PRIMARY KEY, seq INTEGER);
-CREATE TABLE _litestream_lock (id INTEGER);

hscontrol/db/text_serialiser.go

@@ -10,7 +10,7 @@ import (
 )
 
 // Got from https://github.com/xdg-go/strum/blob/main/types.go
-var textUnmarshalerType = reflect.TypeFor[encoding.TextUnmarshaler]()
+var textUnmarshalerType = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem()
 
 func isTextUnmarshaler(rv reflect.Value) bool {
 	return rv.Type().Implements(textUnmarshalerType)

hscontrol/db/user_update_test.go

@@ -1,134 +0,0 @@
-package db
-
-import (
-	"database/sql"
-	"testing"
-
-	"github.com/juanfont/headscale/hscontrol/types"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-	"gorm.io/gorm"
-)
-
-// TestUserUpdatePreservesUnchangedFields verifies that updating a user
-// preserves fields that aren't modified. This test validates the fix
-// for using Updates() instead of Save() in UpdateUser-like operations.
-func TestUserUpdatePreservesUnchangedFields(t *testing.T) {
-	database := dbForTest(t)
-
-	// Create a user with all fields set
-	initialUser := types.User{
-		Name:        "testuser",
-		DisplayName: "Test User Display",
-		Email:       "test@example.com",
-		ProviderIdentifier: sql.NullString{
-			String: "provider-123",
-			Valid:  true,
-		},
-	}
-
-	createdUser, err := database.CreateUser(initialUser)
-	require.NoError(t, err)
-	require.NotNil(t, createdUser)
-
-	// Verify initial state
-	assert.Equal(t, "testuser", createdUser.Name)
-	assert.Equal(t, "Test User Display", createdUser.DisplayName)
-	assert.Equal(t, "test@example.com", createdUser.Email)
-	assert.True(t, createdUser.ProviderIdentifier.Valid)
-	assert.Equal(t, "provider-123", createdUser.ProviderIdentifier.String)
-
-	// Simulate what UpdateUser does: load user, modify one field, save
-	_, err = Write(database.DB, func(tx *gorm.DB) (*types.User, error) {
-		user, err := GetUserByID(tx, types.UserID(createdUser.ID))
-		if err != nil {
-			return nil, err
-		}
-
-		// Modify ONLY DisplayName
-		user.DisplayName = "Updated Display Name"
-
-		// This is the line being tested - currently uses Save() which writes ALL fields, potentially overwriting unchanged ones
-		err = tx.Save(user).Error
-		if err != nil {
-			return nil, err
-		}
-
-		return user, nil
-	})
-	require.NoError(t, err)
-
-	// Read user back from database
-	updatedUser, err := Read(database.DB, func(rx *gorm.DB) (*types.User, error) {
-		return GetUserByID(rx, types.UserID(createdUser.ID))
-	})
-	require.NoError(t, err)
-
-	// Verify that DisplayName was updated
-	assert.Equal(t, "Updated Display Name", updatedUser.DisplayName)
-
-	// CRITICAL: Verify that other fields were NOT overwritten
-	// With Save(), these assertions should pass because the user object
-	// was loaded from DB and has all fields populated.
-	// But if Updates() is used, these will also pass (and it's safer).
-	assert.Equal(t, "testuser", updatedUser.Name, "Name should be preserved")
-	assert.Equal(t, "test@example.com", updatedUser.Email, "Email should be preserved")
-	assert.True(t, updatedUser.ProviderIdentifier.Valid, "ProviderIdentifier should be preserved")
-	assert.Equal(t, "provider-123", updatedUser.ProviderIdentifier.String, "ProviderIdentifier value should be preserved")
-}
-
-// TestUserUpdateWithUpdatesMethod tests that using Updates() instead of Save()
-// works correctly and only updates modified fields.
-func TestUserUpdateWithUpdatesMethod(t *testing.T) {
-	database := dbForTest(t)
-
-	// Create a user
-	initialUser := types.User{
-		Name:        "testuser",
-		DisplayName: "Original Display",
-		Email:       "original@example.com",
-		ProviderIdentifier: sql.NullString{
-			String: "provider-abc",
-			Valid:  true,
-		},
-	}
-
-	createdUser, err := database.CreateUser(initialUser)
-	require.NoError(t, err)
-
-	// Update using Updates() method
-	_, err = Write(database.DB, func(tx *gorm.DB) (*types.User, error) {
-		user, err := GetUserByID(tx, types.UserID(createdUser.ID))
-		if err != nil {
-			return nil, err
-		}
-
-		// Modify multiple fields
-		user.DisplayName = "New Display"
-		user.Email = "new@example.com"
-
-		// Use Updates() instead of Save()
-		err = tx.Updates(user).Error
-		if err != nil {
-			return nil, err
-		}
-
-		return user, nil
-	})
-	require.NoError(t, err)
-
-	// Verify changes
-	updatedUser, err := Read(database.DB, func(rx *gorm.DB) (*types.User, error) {
-		return GetUserByID(rx, types.UserID(createdUser.ID))
-	})
-	require.NoError(t, err)
-
-	// Verify updated fields
-	assert.Equal(t, "New Display", updatedUser.DisplayName)
-	assert.Equal(t, "new@example.com", updatedUser.Email)
-
-	// Verify preserved fields
-	assert.Equal(t, "testuser", updatedUser.Name)
-	assert.True(t, updatedUser.ProviderIdentifier.Valid)
-	assert.Equal(t, "provider-abc", updatedUser.ProviderIdentifier.String)
-}