flake.lock: Update (#2021)

* reformat code

This is mostly an automated change with `make lint`.
I had to manually please golangci-lint in routes_test because of a short
variable name.

* fix start -> strategy which was wrongly corrected by linter

.github/workflows/test-integration.yaml

@@ -18,6 +18,7 @@ jobs:
           - TestACLNamedHostsCanReachBySubnet
           - TestACLNamedHostsCanReach
           - TestACLDevice1CanAccessDevice2
+          - TestPolicyUpdateWhileRunningWithCLIInDatabase
           - TestOIDCAuthenticationPingAll
           - TestOIDCExpireNodesBasedOnTokenExpiry
           - TestAuthWebFlowAuthenticationPingAll
@@ -26,6 +27,7 @@ jobs:
           - TestPreAuthKeyCommand
           - TestPreAuthKeyCommandWithoutExpiry
           - TestPreAuthKeyCommandReusableEphemeral
+          - TestPreAuthKeyCorrectUserLoggedInCommand
           - TestApiKeyCommand
           - TestNodeTagCommand
           - TestNodeAdvertiseTagNoACLCommand
@@ -34,11 +36,13 @@ jobs:
           - TestNodeExpireCommand
           - TestNodeRenameCommand
           - TestNodeMoveCommand
+          - TestPolicyCommand
           - TestDERPServerScenario
           - TestPingAllByIP
           - TestPingAllByIPPublicDERP
           - TestAuthKeyLogoutAndRelogin
           - TestEphemeral
+          - TestEphemeral2006DeletedTooQuickly
           - TestPingAllByHostname
           - TestTaildrop
           - TestResolveMagicDNS

.golangci.yaml

@@ -12,19 +12,13 @@ linters:
   disable:
     - depguard
 
-    - exhaustivestruct
     - revive
     - lll
-    - interfacer
-    - scopelint
-    - maligned
-    - golint
     - gofmt
     - gochecknoglobals
     - gochecknoinits
     - gocognit
     - funlen
-    - exhaustivestruct
     - tagliatelle
     - godox
     - ireturn
@@ -34,13 +28,6 @@ linters:
     - musttag # causes issues with imported libs
     - depguard
 
-    # deprecated
-    - structcheck # replaced by unused
-    - ifshort # deprecated by the owner
-    - varcheck # replaced by unused
-    - nosnakecase # replaced by revive
-    - deadcode # replaced by unused
-
     # We should strive to enable these:
     - wrapcheck
     - dupl

.goreleaser.yml

@@ -135,7 +135,7 @@ kos:
   - id: ghcr-debug
     repository: ghcr.io/juanfont/headscale
     bare: true
-    base_image: "debian:12"
+    base_image: gcr.io/distroless/base-debian12:debug
     build: headscale
     main: ./cmd/headscale
     env:
@@ -160,7 +160,7 @@ kos:
 
   - id: dockerhub-debug
     build: headscale
-    base_image: "debian:12"
+    base_image: gcr.io/distroless/base-debian12:debug
     repository: headscale/headscale
     bare: true
     platforms:

CHANGELOG.md

@@ -26,7 +26,7 @@ after improving the test harness as part of adopting [#1460](https://github.com/
 - Code reorganisation, a lot of code has moved, please review the following PRs accordingly [#1473](https://github.com/juanfont/headscale/pull/1473)
 - Change the structure of database configuration, see [config-example.yaml](./config-example.yaml) for the new structure. [#1700](https://github.com/juanfont/headscale/pull/1700)
   - Old structure has been remove and the configuration _must_ be converted.
-  - Adds additional configuration for PostgreSQL for setting max open, idle conection and idle connection lifetime.
+  - Adds additional configuration for PostgreSQL for setting max open, idle connection and idle connection lifetime.
 - API: Machine is now Node [#1553](https://github.com/juanfont/headscale/pull/1553)
 - Remove support for older Tailscale clients [#1611](https://github.com/juanfont/headscale/pull/1611)
   - The latest supported client is 1.38
@@ -40,6 +40,12 @@ after improving the test harness as part of adopting [#1460](https://github.com/
 - Prefixes are now defined per v4 and v6 range. [#1756](https://github.com/juanfont/headscale/pull/1756)
   - `ip_prefixes` option is now `prefixes.v4` and `prefixes.v6`
   - `prefixes.allocation` can be set to assign IPs at `sequential` or `random`. [#1869](https://github.com/juanfont/headscale/pull/1869)
+- MagicDNS domains no longer contain usernames []()
+  - This is in preperation to fix Headscales implementation of tags which currently does not correctly remove the link between a tagged device and a user. As tagged devices will not have a user, this will require a change to the DNS generation, removing the username, see [#1369](https://github.com/juanfont/headscale/issues/1369) for more information.
+  - `use_username_in_magic_dns` can be used to turn this behaviour on again, but note that this option _will be removed_ when tags are fixed.
+  - This option brings Headscales behaviour in line with Tailscale.
+- YAML files are no longer supported for headscale policy.  [#1792](https://github.com/juanfont/headscale/pull/1792)
+  - HuJSON is now the only supported format for policy.
 
 ### Changes
 
@@ -57,6 +63,10 @@ after improving the test harness as part of adopting [#1460](https://github.com/
 - Add command to backfill IP addresses for nodes missing IPs from configured prefixes. [#1869](https://github.com/juanfont/headscale/pull/1869)
 - Log available update as warning [#1877](https://github.com/juanfont/headscale/pull/1877)
 - Add `autogroup:internet` to Policy [#1917](https://github.com/juanfont/headscale/pull/1917)
+- Restore foreign keys and add constraints [#1562](https://github.com/juanfont/headscale/pull/1562)
+- Make registration page easier to use on mobile devices
+- Make write-ahead-log default on and configurable for SQLite [#1985](https://github.com/juanfont/headscale/pull/1985)
+- Add APIs for managing headscale policy. [#1792](https://github.com/juanfont/headscale/pull/1792)
 
 ## 0.22.3 (2023-05-12)
 
@@ -69,7 +79,7 @@ after improving the test harness as part of adopting [#1460](https://github.com/
 ### Changes
 
 - Add environment flags to enable pprof (profiling) [#1382](https://github.com/juanfont/headscale/pull/1382)
-  - Profiles are continously generated in our integration tests.
+  - Profiles are continuously generated in our integration tests.
 - Fix systemd service file location in `.deb` packages [#1391](https://github.com/juanfont/headscale/pull/1391)
 - Improvements on Noise implementation [#1379](https://github.com/juanfont/headscale/pull/1379)
 - Replace node filter logic, ensuring nodes with access can see eachother [#1381](https://github.com/juanfont/headscale/pull/1381)
@@ -160,7 +170,7 @@ after improving the test harness as part of adopting [#1460](https://github.com/
   - SSH ACLs status:
     - Support `accept` and `check` (SSH can be enabled and used for connecting and authentication)
     - Rejecting connections **are not supported**, meaning that if you enable SSH, then assume that _all_ `ssh` connections **will be allowed**.
-    - If you decied to try this feature, please carefully managed permissions by blocking port `22` with regular ACLs or do _not_ set `--ssh` on your clients.
+    - If you decided to try this feature, please carefully managed permissions by blocking port `22` with regular ACLs or do _not_ set `--ssh` on your clients.
     - We are currently improving our testing of the SSH ACLs, help us get an overview by testing and giving feedback.
   - This feature should be considered dangerous and it is disabled by default. Enable by setting `HEADSCALE_EXPERIMENTAL_FEATURE_SSH=1`.
 
@@ -210,7 +220,7 @@ after improving the test harness as part of adopting [#1460](https://github.com/
 ### Changes
 
 - Updated dependencies (including the library that lacked armhf support) [#722](https://github.com/juanfont/headscale/pull/722)
-- Fix missing group expansion in function `excludeCorretlyTaggedNodes` [#563](https://github.com/juanfont/headscale/issues/563)
+- Fix missing group expansion in function `excludeCorrectlyTaggedNodes` [#563](https://github.com/juanfont/headscale/issues/563)
 - Improve registration protocol implementation and switch to NodeKey as main identifier [#725](https://github.com/juanfont/headscale/pull/725)
 - Add ability to connect to PostgreSQL via unix socket [#734](https://github.com/juanfont/headscale/pull/734)
 
@@ -230,7 +240,7 @@ after improving the test harness as part of adopting [#1460](https://github.com/
 - Fix send on closed channel crash in polling [#542](https://github.com/juanfont/headscale/pull/542)
 - Fixed spurious calls to setLastStateChangeToNow from ephemeral nodes [#566](https://github.com/juanfont/headscale/pull/566)
 - Add command for moving nodes between namespaces [#362](https://github.com/juanfont/headscale/issues/362)
-- Added more configuration parameters for OpenID Connect (scopes, free-form paramters, domain and user allowlist)
+- Added more configuration parameters for OpenID Connect (scopes, free-form parameters, domain and user allowlist)
 - Add command to set tags on a node [#525](https://github.com/juanfont/headscale/issues/525)
 - Add command to view tags of nodes [#356](https://github.com/juanfont/headscale/issues/356)
 - Add --all (-a) flag to enable routes command [#360](https://github.com/juanfont/headscale/issues/360)
@@ -278,10 +288,10 @@ after improving the test harness as part of adopting [#1460](https://github.com/
 
 - Fix a bug were the same IP could be assigned to multiple hosts if joined in quick succession [#346](https://github.com/juanfont/headscale/pull/346)
 - Simplify the code behind registration of machines [#366](https://github.com/juanfont/headscale/pull/366)
-  - Nodes are now only written to database if they are registrated successfully
+  - Nodes are now only written to database if they are registered successfully
 - Fix a limitation in the ACLs that prevented users to write rules with `*` as source [#374](https://github.com/juanfont/headscale/issues/374)
 - Reduce the overhead of marshal/unmarshal for Hostinfo, routes and endpoints by using specific types in Machine [#371](https://github.com/juanfont/headscale/pull/371)
-- Apply normalization function to FQDN on hostnames when hosts registers and retrieve informations [#363](https://github.com/juanfont/headscale/issues/363)
+- Apply normalization function to FQDN on hostnames when hosts registers and retrieve information [#363](https://github.com/juanfont/headscale/issues/363)
 - Fix a bug that prevented the use of `tailscale logout` with OIDC [#508](https://github.com/juanfont/headscale/issues/508)
 - Added Tailscale repo HEAD and unstable releases channel to the integration tests targets [#513](https://github.com/juanfont/headscale/pull/513)
 

Dockerfile.tailscale-HEAD

@@ -1,21 +1,43 @@
-# This Dockerfile and the images produced are for testing headscale,
-# and are in no way endorsed by Headscale's maintainers as an
-# official nor supported release or distribution.
+# Copyright (c) Tailscale Inc & AUTHORS
+# SPDX-License-Identifier: BSD-3-Clause
 
-FROM golang:latest
+# This Dockerfile is more or less lifted from tailscale/tailscale
+# to ensure a similar build process when testing the HEAD of tailscale.
 
-RUN apt-get update \
-    && apt-get install -y dnsutils git iptables ssh ca-certificates \
-    && rm -rf /var/lib/apt/lists/*
+FROM golang:1.22-alpine AS build-env
 
-RUN useradd --shell=/bin/bash --create-home ssh-it-user
+WORKDIR /go/src
 
+RUN apk add --no-cache git
+
+# Replace `RUN git...` with `COPY` and a local checked out version of Tailscale in `./tailscale`
+# to test specific commits of the Tailscale client. This is useful when trying to find out why
+# something specific broke between two versions of Tailscale with for example `git bisect`.
+# COPY ./tailscale .
 RUN git clone https://github.com/tailscale/tailscale.git
 
-WORKDIR /go/tailscale
+WORKDIR /go/src/tailscale
 
-RUN git checkout main \
-    && sh build_dist.sh tailscale.com/cmd/tailscale \
-    && sh build_dist.sh tailscale.com/cmd/tailscaled \
-    && cp tailscale /usr/local/bin/ \
-    && cp tailscaled /usr/local/bin/
+
+# see build_docker.sh
+ARG VERSION_LONG=""
+ENV VERSION_LONG=$VERSION_LONG
+ARG VERSION_SHORT=""
+ENV VERSION_SHORT=$VERSION_SHORT
+ARG VERSION_GIT_HASH=""
+ENV VERSION_GIT_HASH=$VERSION_GIT_HASH
+ARG TARGETARCH
+
+RUN GOARCH=$TARGETARCH go install -ldflags="\
+      -X tailscale.com/version.longStamp=$VERSION_LONG \
+      -X tailscale.com/version.shortStamp=$VERSION_SHORT \
+      -X tailscale.com/version.gitCommitStamp=$VERSION_GIT_HASH" \
+      -v ./cmd/tailscale ./cmd/tailscaled ./cmd/containerboot
+
+FROM alpine:3.18
+RUN apk add --no-cache ca-certificates iptables iproute2 ip6tables curl
+
+COPY --from=build-env /go/bin/* /usr/local/bin/
+# For compat with the previous run.sh, although ideally you should be
+# using build_docker.sh which sets an entrypoint for the image.
+RUN mkdir /tailscale && ln -s /usr/local/bin/containerboot /tailscale/run.sh

Makefile

@@ -31,6 +31,7 @@ test_integration:
 		--name headscale-test-suite \
 		-v $$PWD:$$PWD -w $$PWD/integration \
 		-v /var/run/docker.sock:/var/run/docker.sock \
+		-v $$PWD/control_logs:/tmp/control \
 		golang:1 \
 		go run gotest.tools/gotestsum@latest -- -failfast ./... -timeout 120m -parallel 8
 

README.md

@@ -99,7 +99,7 @@ Please read the [CONTRIBUTING.md](./CONTRIBUTING.md) file.
 
 ### Requirements
 
-To contribute to headscale you would need the lastest version of [Go](https://golang.org)
+To contribute to headscale you would need the latest version of [Go](https://golang.org)
 and [Buf](https://buf.build)(Protobuf generator).
 
 We recommend using [Nix](https://nixos.org/) to setup a development environment. This can

cmd/headscale/cli/nodes.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"net/netip"
+	"slices"
 	"strconv"
 	"strings"
 	"time"
@@ -617,14 +618,14 @@ func nodesToPtables(
 		forcedTags = strings.TrimLeft(forcedTags, ",")
 		var invalidTags string
 		for _, tag := range node.GetInvalidTags() {
-			if !contains(node.GetForcedTags(), tag) {
+			if !slices.Contains(node.GetForcedTags(), tag) {
 				invalidTags += "," + pterm.LightRed(tag)
 			}
 		}
 		invalidTags = strings.TrimLeft(invalidTags, ",")
 		var validTags string
 		for _, tag := range node.GetValidTags() {
-			if !contains(node.GetForcedTags(), tag) {
+			if !slices.Contains(node.GetForcedTags(), tag) {
 				validTags += "," + pterm.LightGreen(tag)
 			}
 		}

cmd/headscale/cli/policy.go

@@ -0,0 +1,90 @@
+package cli
+
+import (
+	"io"
+	"os"
+
+	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
+	"github.com/rs/zerolog/log"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	rootCmd.AddCommand(policyCmd)
+	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("")
+	}
+	policyCmd.AddCommand(setPolicy)
+}
+
+var policyCmd = &cobra.Command{
+	Use:   "policy",
+	Short: "Manage the Headscale ACL Policy",
+}
+
+var getPolicy = &cobra.Command{
+	Use:     "get",
+	Short:   "Print the current ACL Policy",
+	Aliases: []string{"show", "view", "fetch"},
+	Run: func(cmd *cobra.Command, args []string) {
+		ctx, client, conn, cancel := getHeadscaleCLIClient()
+		defer cancel()
+		defer conn.Close()
+
+		request := &v1.GetPolicyRequest{}
+
+		response, err := client.GetPolicy(ctx, request)
+		if err != nil {
+			log.Fatal().Err(err).Msg("Failed to get the policy")
+
+			return
+		}
+
+		// TODO(pallabpain): Maybe print this better?
+		SuccessOutput("", response.GetPolicy(), "hujson")
+	},
+}
+
+var setPolicy = &cobra.Command{
+	Use:   "set",
+	Short: "Updates the ACL Policy",
+	Long: `
+	Updates the existing ACL Policy with the provided policy. The policy must be a valid HuJSON object.
+	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) {
+		policyPath, _ := cmd.Flags().GetString("file")
+
+		f, err := os.Open(policyPath)
+		if err != nil {
+			log.Fatal().Err(err).Msg("Error opening the policy file")
+
+			return
+		}
+		defer f.Close()
+
+		policyBytes, err := io.ReadAll(f)
+		if err != nil {
+			log.Fatal().Err(err).Msg("Error reading the policy file")
+
+			return
+		}
+
+		request := &v1.SetPolicyRequest{Policy: string(policyBytes)}
+
+		ctx, client, conn, cancel := getHeadscaleCLIClient()
+		defer cancel()
+		defer conn.Close()
+
+		if _, err := client.SetPolicy(ctx, request); err != nil {
+			log.Fatal().Err(err).Msg("Failed to set ACL Policy")
+
+			return
+		}
+
+		SuccessOutput(nil, "Policy updated.", "")
+	},
+}

cmd/headscale/cli/root.go

@@ -51,13 +51,11 @@ func initConfig() {
 
 	cfg, err := types.GetHeadscaleConfig()
 	if err != nil {
-		log.Fatal().Caller().Err(err).Msg("Failed to get headscale configuration")
+		log.Fatal().Err(err).Msg("Failed to read headscale configuration")
 	}
 
 	machineOutput := HasMachineOutputFlag()
 
-	zerolog.SetGlobalLevel(cfg.Log.Level)
-
 	// If the user has requested a "node" readable format,
 	// then disable login so the output remains valid.
 	if machineOutput {

cmd/headscale/cli/utils.go

@@ -6,11 +6,9 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
-	"reflect"
 
 	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
 	"github.com/juanfont/headscale/hscontrol"
-	"github.com/juanfont/headscale/hscontrol/policy"
 	"github.com/juanfont/headscale/hscontrol/types"
 	"github.com/juanfont/headscale/hscontrol/util"
 	"github.com/rs/zerolog/log"
@@ -39,21 +37,6 @@ func getHeadscaleApp() (*hscontrol.Headscale, error) {
 		return nil, err
 	}
 
-	// We are doing this here, as in the future could be cool to have it also hot-reload
-
-	if cfg.ACL.PolicyPath != "" {
-		aclPath := util.AbsolutePathFromConfigPath(cfg.ACL.PolicyPath)
-		pol, err := policy.LoadACLPolicyFromPath(aclPath)
-		if err != nil {
-			log.Fatal().
-				Str("path", aclPath).
-				Err(err).
-				Msg("Could not load the ACL policy")
-		}
-
-		app.ACLPolicy = pol
-	}
-
 	return app, nil
 }
 
@@ -89,7 +72,7 @@ func getHeadscaleCLIClient() (context.Context, v1.HeadscaleServiceClient, *grpc.
 
 		// 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, SocketWritePermissions) // nolint
 		if err != nil {
 			if os.IsPermission(err) {
 				log.Fatal().
@@ -167,13 +150,13 @@ func SuccessOutput(result interface{}, override string, outputFormat string) {
 			log.Fatal().Err(err).Msg("failed to unmarshal output")
 		}
 	default:
-		//nolint
+		// nolint
 		fmt.Println(override)
 
 		return
 	}
 
-	//nolint
+	// nolint
 	fmt.Println(string(jsonBytes))
 }
 
@@ -212,13 +195,3 @@ func (t tokenAuth) GetRequestMetadata(
 func (tokenAuth) RequireTransportSecurity() bool {
 	return true
 }
-
-func contains[T string](ts []T, t T) bool {
-	for _, v := range ts {
-		if reflect.DeepEqual(v, t) {
-			return true
-		}
-	}
-
-	return false
-}

config-example.yaml

@@ -105,7 +105,7 @@ derp:
     automatically_add_embedded_derp_region: true
 
     # For better connection stability (especially when using an Exit-Node and DNS is not working),
-    # it is possible to optionall add the public IPv4 and IPv6 address to the Derp-Map using:
+    # it is possible to optionally add the public IPv4 and IPv6 address to the Derp-Map using:
     ipv4: 1.2.3.4
     ipv6: 2001:db8::1
 
@@ -144,6 +144,10 @@ database:
   sqlite:
     path: /var/lib/headscale/db.sqlite
 
+    # Enable WAL mode for SQLite. This is recommended for production environments.
+    # https://www.sqlite.org/wal.html
+    write_ahead_log: true
+
   # # Postgres config
   # postgres:
   #   # If using a Unix socket to connect to Postgres, set the socket path in the 'host' field and leave 'port' blank.
@@ -199,10 +203,18 @@ log:
   format: text
   level: info
 
-# Path to a file containg ACL policies.
-# ACLs can be defined as YAML or HUJSON.
-# https://tailscale.com/kb/1018/acls/
-acl_policy_path: ""
+## Policy
+# headscale supports Tailscale's ACL policies.
+# Please have a look to their KB to better
+# understand the concepts: https://tailscale.com/kb/1018/acls/
+policy:
+  # The mode can be "file" or "database" that defines
+  # where the ACL policies are stored and read from.
+  mode: file
+  # If the mode is set to "file", the
+  # path to a file containing ACL policies.
+  # The file can be in YAML or HuJSON format.
+  path: ""
 
 ## DNS
 #
@@ -261,6 +273,15 @@ dns_config:
   # Only works if there is at least a nameserver defined.
   magic_dns: true
 
+  # DEPRECATED
+  # Use the username as part of the DNS name for nodes, with this option enabled:
+  # node1.username.example.com
+  # while when this is disabled:
+  # node1.example.com
+  # This is a legacy option as Headscale has have this wrongly implemented
+  # while in upstream Tailscale, the username is not included.
+  use_username_in_magic_dns: false
+
   # Defines the base domain to create the hostnames for MagicDNS.
   # `base_domain` must be a FQDNs, without the trailing dot.
   # The FQDN of the hosts will be

docs/android-client.md

@@ -12,8 +12,8 @@ Ensure that the installed version is at least 1.30.0, as that is the first relea
 
 ## Configuring the headscale URL
 
-After opening the app, the kebab menu icon (three dots) on the top bar on the right must be repeatedly opened and closed until the _Change server_ option appears in the menu. This is where you can enter your headscale URL.
+After opening the app:
 
-A screen recording of this process can be seen in the `tailscale-android` PR which implemented this functionality: <https://github.com/tailscale/tailscale-android/pull/55>
-
-After saving and restarting the app, selecting the regular _Sign in_ option (non-SSO) should open up the headscale authentication page.
+- Open setting and go into account settings
+- In the kebab menu icon (three dots) on the top bar on the right select “Use an alternate server”
+- Enter your server URL and follow the instructions

docs/exit-node.md

@@ -14,7 +14,7 @@ If the node is already registered, it can advertise exit capabilities like this:
 $ sudo tailscale set --advertise-exit-node
 ```
 
-To use a node as an exit node, IP forwarding must be enabled on the node. Check the official [Tailscale documentation](https://tailscale.com/kb/1019/subnets/?tab=linux#enable-ip-forwarding) for how to enable IP fowarding.
+To use a node as an exit node, IP forwarding must be enabled on the node. Check the official [Tailscale documentation](https://tailscale.com/kb/1019/subnets/?tab=linux#enable-ip-forwarding) for how to enable IP forwarding.
 
 ## On the control server
 

docs/faq.md

@@ -36,7 +36,7 @@ We don't know. We might be working on it. If you want to help, please send us a
 Please be aware that there are a number of reasons why we might not accept specific contributions:
 
 - It is not possible to implement the feature in a way that makes sense in a self-hosted environment.
-- Given that we are reverse-engineering Tailscale to satify our own curiosity, we might be interested in implementing the feature ourselves.
+- Given that we are reverse-engineering Tailscale to satisfy our own curiosity, we might be interested in implementing the feature ourselves.
 - You are not sending unit and integration tests with it.
 
 ## Do you support Y method of deploying Headscale?

docs/index.md

@@ -8,7 +8,7 @@ hide:
 
 `headscale` is an open source, self-hosted implementation of the Tailscale control server.
 
-This page contains the documentation for the latest version of headscale. Please also check our [FAQ](/faq/).
+This page contains the documentation for the latest version of headscale. Please also check our [FAQ](faq.md).
 
 Join our [Discord](https://discord.gg/c84AZQhmpx) server for a chat and community support.
 

docs/proposals/001-acls.md

@@ -58,12 +58,12 @@ A solution could be to consider a headscale server (in it's entirety) as a
 tailnet.
 
 For personal users the default behavior could either allow all communications
-between all namespaces (like tailscale) or dissallow all communications between
+between all namespaces (like tailscale) or disallow all communications between
 namespaces (current behavior).
 
 For businesses and organisations, viewing a headscale instance a single tailnet
 would allow users (namespace) to talk to each other with the ACLs. As described
-in tailscale's documentation [[1]], a server should be tagged and personnal
+in tailscale's documentation [[1]], a server should be tagged and personal
 devices should be tied to a user. Translated in headscale's terms each user can
 have multiple devices and all those devices should be in the same namespace.
 The servers should be tagged and used as such.
@@ -88,7 +88,7 @@ the ability to rules in either format (HuJSON or YAML).
 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 developper and an intern.
+We have a small company with a boss, an admin, two developer and an intern.
 
 The boss should have access to all servers but not to the users hosts. Admin
 should also have access to all hosts except that their permissions should be
@@ -173,7 +173,7 @@ need to add the following ACLs
       "ports": ["prod:*", "dev:*", "internal:*"]
     },
 
-    // admin have access to adminstration port (lets only consider port 22 here)
+    // admin have access to administration port (lets only consider port 22 here)
     {
       "action": "accept",
       "users": ["group:admin"],

docs/remote-cli.md

@@ -1,13 +1,13 @@
 # Controlling `headscale` with remote CLI
 
-## Prerequisit
+## Prerequisite
 
 - A workstation to run `headscale` (could be Linux, macOS, other supported platforms)
 - A `headscale` server (version `0.13.0` or newer)
 - Access to create API keys (local access to the `headscale` server)
 - `headscale` _must_ be served over TLS/HTTPS
   - Remote access does _not_ support unencrypted traffic.
-- Port `50443` must be open in the firewall (or port overriden by `grpc_listen_addr` option)
+- Port `50443` must be open in the firewall (or port overridden by `grpc_listen_addr` option)
 
 ## Goal
 
@@ -97,4 +97,4 @@ Checklist:
 - Make sure you use version `0.13.0` or newer.
 - Verify that your TLS certificate is valid and trusted
   - If you do not have access to a trusted certificate (e.g. from Let's Encrypt), add your self signed certificate to the trust store of your OS or
-  - Set `HEADSCALE_CLI_INSECURE` to 0 in your environement
+  - Set `HEADSCALE_CLI_INSECURE` to 0 in your environment

docs/reverse-proxy.md

@@ -15,6 +15,10 @@ The reverse proxy MUST be configured to support WebSockets, as it is needed for
 
 WebSockets support is 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
+
+Running headscale behind a cloudflare proxy or cloudflare tunnel is not supported and will not work as Cloudflare does not support WebSocket POSTs as required by the Tailscale protocol. See [this issue](https://github.com/juanfont/headscale/issues/1468)
+
 ### TLS
 
 Headscale can be configured not to use TLS, leaving it to the reverse proxy to handle. Add the following configuration values to your headscale config file.
@@ -115,7 +119,7 @@ The following Caddyfile is all that is necessary to use Caddy as a reverse proxy
 }
 ```
 
-Caddy v2 will [automatically](https://caddyserver.com/docs/automatic-https) provision a certficate for your domain/subdomain, force HTTPS, and proxy websockets - no further configuration is necessary.
+Caddy v2 will [automatically](https://caddyserver.com/docs/automatic-https) provision a certificate for your domain/subdomain, force HTTPS, and proxy websockets - no further configuration is necessary.
 
 For a slightly more complex configuration which utilizes Docker containers to manage Caddy, Headscale, and Headscale-UI, [Guru Computing's guide](https://blog.gurucomputing.com.au/smart-vpns-with-headscale/) is an excellent reference.
 

docs/running-headscale-linux-manual.md

@@ -57,7 +57,7 @@ describing how to make `headscale` run properly in a server environment.
     touch /etc/headscale/config.yaml
     ```
 
-    **(Strongly Recommended)** Download a copy of the [example configuration][config-example.yaml](https://github.com/juanfont/headscale/blob/main/config-example.yaml) from the headscale repository.
+    **(Strongly Recommended)** Download a copy of the [example configuration](https://github.com/juanfont/headscale/blob/main/config-example.yaml) from the headscale repository.
 
 1. Start the headscale server:
 

docs/running-headscale-linux.md

@@ -20,17 +20,19 @@ configuration (`/etc/headscale/config.yaml`).
 
 ## Installation
 
-1. Download the latest Headscale package for your platform (`.deb` for Ubuntu and Debian) from [Headscale's releases page](https://github.com/juanfont/headscale/releases):
+1. Download the [latest Headscale package](https://github.com/juanfont/headscale/releases/latest) for your platform (`.deb` for Ubuntu and Debian).
 
     ```shell
+    HEADSCALE_VERSION="" # See above URL for latest version, e.g. "X.Y.Z" (NOTE: do not add the "v" prefix!)
+    HEADSCALE_ARCH="" # Your system architecture, e.g. "amd64"
     wget --output-document=headscale.deb \
-      https://github.com/juanfont/headscale/releases/download/v<HEADSCALE VERSION>/headscale_<HEADSCALE VERSION>_linux_<ARCH>.deb
+      "https://github.com/juanfont/headscale/releases/download/v${HEADSCALE_VERSION}/headscale_${HEADSCALE_VERSION}_linux_${HEADSCALE_ARCH}.deb"
     ```
 
 1. Install Headscale:
 
     ```shell
-    sudo apt install headscale.deb
+    sudo apt install ./headscale.deb
     ```
 
 1. Enable Headscale service, this will start Headscale at boot:

docs/running-headscale-openbsd.md

@@ -9,19 +9,17 @@
 
 ## Goal
 
-This documentation has the goal of showing a user how-to install and run `headscale` on OpenBSD 7.1.
+This documentation has the goal of showing a user how-to install and run `headscale` on OpenBSD.
 In additional to the "get up and running section", there is an optional [rc.d section](#running-headscale-in-the-background-with-rcd)
 describing how to make `headscale` run properly in a server environment.
 
 ## Install `headscale`
 
-1. Install from ports (not recommended)
+1. Install from ports
 
-    !!! info
+    You can install headscale from ports by running `pkg_add headscale`.
 
-        As of OpenBSD 7.2, there's a headscale in ports collection, however, it's severely outdated(v0.12.4). You can install it via `pkg_add headscale`.
-
-1. Install from source on OpenBSD 7.2
+1. Install from source
 
     ```shell
     # Install prerequistes
@@ -32,7 +30,7 @@ describing how to make `headscale` run properly in a server environment.
     cd headscale
 
     # optionally checkout a release
-    # option a. you can find offical relase at https://github.com/juanfont/headscale/releases/latest
+    # option a. you can find official release at https://github.com/juanfont/headscale/releases/latest
     # option b. get latest tag, this may be a beta release
     latestTag=$(git describe --tags `git rev-list --tags --max-count=1`)
 
@@ -59,7 +57,7 @@ describing how to make `headscale` run properly in a server environment.
     cd headscale
 
     # optionally checkout a release
-    # option a. you can find offical relase at https://github.com/juanfont/headscale/releases/latest
+    # option a. you can find official release at https://github.com/juanfont/headscale/releases/latest
     # option b. get latest tag, this may be a beta release
     latestTag=$(git describe --tags `git rev-list --tags --max-count=1`)
 
@@ -95,7 +93,7 @@ describing how to make `headscale` run properly in a server environment.
     touch /etc/headscale/config.yaml
     ```
 
-**(Strongly Recommended)** Download a copy of the [example configuration][config-example.yaml](https://github.com/juanfont/headscale/blob/main/config-example.yaml) from the headscale repository.
+**(Strongly Recommended)** Download a copy of the [example configuration](https://github.com/juanfont/headscale/blob/main/config-example.yaml) from the headscale repository.
 
 1. Start the headscale server:
 

flake.lock

@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1712883908,
-        "narHash": "sha256-icE1IJE9fHcbDfJ0+qWoDdcBXUoZCcIJxME4lMHwvSM=",
+        "lastModified": 1721466660,
+        "narHash": "sha256-pFSxgSZqZ3h+5Du0KvEL1ccDZBwu4zvOil1zzrPNb3c=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "a0c9e3aee1000ac2bfb0e5b98c94c946a5d180a9",
+        "rev": "6e14bbce7bea6c4efd7adfa88a40dac750d80100",
         "type": "github"
       },
       "original": {

flake.nix

@@ -31,7 +31,7 @@
 
           # When updating go.mod or go.sum, a new sha will need to be calculated,
           # update this if you have a mismatch after doing a change to thos files.
-          vendorHash = "sha256-HGu/OCtjzPeBki5FSL6v1XivCJ30eqj9rL0x7ZVv1TM=";
+          vendorHash = "sha256-EorT2AVwA3usly/LcNor6r5UIhLCdj3L4O4ilgTIC2o=";
 
           subPackages = ["cmd/headscale"];
 
@@ -74,6 +74,7 @@
           nfpm
           gotestsum
           gotests
+          gofumpt
           ksh
           ko
           yq-go

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

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
+// 	protoc-gen-go v1.32.0
 // 	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 v1.33.0
+// 	protoc-gen-go v1.32.0
 // 	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 v1.33.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        (unknown)
 // source: headscale/v1/headscale.proto
 
@@ -36,210 +36,225 @@ var file_headscale_v1_headscale_proto_rawDesc = []byte{
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+	0x41, 0x70, 0x69, 0x4b, 0x65, 0x79, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x1f,
+	0x82, 0xd3, 0xe4, 0x93, 0x02, 0x19, 0x2a, 0x17, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x2f,
+	0x61, 0x70, 0x69, 0x6b, 0x65, 0x79, 0x2f, 0x7b, 0x70, 0x72, 0x65, 0x66, 0x69, 0x78, 0x7d, 0x12,
+	0x64, 0x0a, 0x09, 0x47, 0x65, 0x74, 0x50, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x12, 0x1e, 0x2e, 0x68,
+	0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x47, 0x65, 0x74, 0x50,
+	0x6f, 0x6c, 0x69, 0x63, 0x79, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1f, 0x2e, 0x68,
+	0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x47, 0x65, 0x74, 0x50,
+	0x6f, 0x6c, 0x69, 0x63, 0x79, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x16, 0x82,
+	0xd3, 0xe4, 0x93, 0x02, 0x10, 0x12, 0x0e, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x2f, 0x70,
+	0x6f, 0x6c, 0x69, 0x63, 0x79, 0x12, 0x67, 0x0a, 0x09, 0x53, 0x65, 0x74, 0x50, 0x6f, 0x6c, 0x69,
+	0x63, 0x79, 0x12, 0x1e, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x76,
+	0x31, 0x2e, 0x53, 0x65, 0x74, 0x50, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x52, 0x65, 0x71, 0x75, 0x65,
+	0x73, 0x74, 0x1a, 0x1f, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x76,
+	0x31, 0x2e, 0x53, 0x65, 0x74, 0x50, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x52, 0x65, 0x73, 0x70, 0x6f,
+	0x6e, 0x73, 0x65, 0x22, 0x19, 0x82, 0xd3, 0xe4, 0x93, 0x02, 0x13, 0x3a, 0x01, 0x2a, 0x1a, 0x0e,
+	0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x31, 0x2f, 0x70, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x42, 0x29,
+	0x5a, 0x27, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6a, 0x75, 0x61,
+	0x6e, 0x66, 0x6f, 0x6e, 0x74, 0x2f, 0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2f,
+	0x67, 0x65, 0x6e, 0x2f, 0x67, 0x6f, 0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
 }
 
 var file_headscale_v1_headscale_proto_goTypes = []interface{}{
@@ -270,33 +285,37 @@ var file_headscale_v1_headscale_proto_goTypes = []interface{}{
 	(*ExpireApiKeyRequest)(nil),      // 24: headscale.v1.ExpireApiKeyRequest
 	(*ListApiKeysRequest)(nil),       // 25: headscale.v1.ListApiKeysRequest
 	(*DeleteApiKeyRequest)(nil),      // 26: headscale.v1.DeleteApiKeyRequest
-	(*GetUserResponse)(nil),          // 27: headscale.v1.GetUserResponse
-	(*CreateUserResponse)(nil),       // 28: headscale.v1.CreateUserResponse
-	(*RenameUserResponse)(nil),       // 29: headscale.v1.RenameUserResponse
-	(*DeleteUserResponse)(nil),       // 30: headscale.v1.DeleteUserResponse
-	(*ListUsersResponse)(nil),        // 31: headscale.v1.ListUsersResponse
-	(*CreatePreAuthKeyResponse)(nil), // 32: headscale.v1.CreatePreAuthKeyResponse
-	(*ExpirePreAuthKeyResponse)(nil), // 33: headscale.v1.ExpirePreAuthKeyResponse
-	(*ListPreAuthKeysResponse)(nil),  // 34: headscale.v1.ListPreAuthKeysResponse
-	(*DebugCreateNodeResponse)(nil),  // 35: headscale.v1.DebugCreateNodeResponse
-	(*GetNodeResponse)(nil),          // 36: headscale.v1.GetNodeResponse
-	(*SetTagsResponse)(nil),          // 37: headscale.v1.SetTagsResponse
-	(*RegisterNodeResponse)(nil),     // 38: headscale.v1.RegisterNodeResponse
-	(*DeleteNodeResponse)(nil),       // 39: headscale.v1.DeleteNodeResponse
-	(*ExpireNodeResponse)(nil),       // 40: headscale.v1.ExpireNodeResponse
-	(*RenameNodeResponse)(nil),       // 41: headscale.v1.RenameNodeResponse
-	(*ListNodesResponse)(nil),        // 42: headscale.v1.ListNodesResponse
-	(*MoveNodeResponse)(nil),         // 43: headscale.v1.MoveNodeResponse
-	(*BackfillNodeIPsResponse)(nil),  // 44: headscale.v1.BackfillNodeIPsResponse
-	(*GetRoutesResponse)(nil),        // 45: headscale.v1.GetRoutesResponse
-	(*EnableRouteResponse)(nil),      // 46: headscale.v1.EnableRouteResponse
-	(*DisableRouteResponse)(nil),     // 47: headscale.v1.DisableRouteResponse
-	(*GetNodeRoutesResponse)(nil),    // 48: headscale.v1.GetNodeRoutesResponse
-	(*DeleteRouteResponse)(nil),      // 49: headscale.v1.DeleteRouteResponse
-	(*CreateApiKeyResponse)(nil),     // 50: headscale.v1.CreateApiKeyResponse
-	(*ExpireApiKeyResponse)(nil),     // 51: headscale.v1.ExpireApiKeyResponse
-	(*ListApiKeysResponse)(nil),      // 52: headscale.v1.ListApiKeysResponse
-	(*DeleteApiKeyResponse)(nil),     // 53: headscale.v1.DeleteApiKeyResponse
+	(*GetPolicyRequest)(nil),         // 27: headscale.v1.GetPolicyRequest
+	(*SetPolicyRequest)(nil),         // 28: headscale.v1.SetPolicyRequest
+	(*GetUserResponse)(nil),          // 29: headscale.v1.GetUserResponse
+	(*CreateUserResponse)(nil),       // 30: headscale.v1.CreateUserResponse
+	(*RenameUserResponse)(nil),       // 31: headscale.v1.RenameUserResponse
+	(*DeleteUserResponse)(nil),       // 32: headscale.v1.DeleteUserResponse
+	(*ListUsersResponse)(nil),        // 33: headscale.v1.ListUsersResponse
+	(*CreatePreAuthKeyResponse)(nil), // 34: headscale.v1.CreatePreAuthKeyResponse
+	(*ExpirePreAuthKeyResponse)(nil), // 35: headscale.v1.ExpirePreAuthKeyResponse
+	(*ListPreAuthKeysResponse)(nil),  // 36: headscale.v1.ListPreAuthKeysResponse
+	(*DebugCreateNodeResponse)(nil),  // 37: headscale.v1.DebugCreateNodeResponse
+	(*GetNodeResponse)(nil),          // 38: headscale.v1.GetNodeResponse
+	(*SetTagsResponse)(nil),          // 39: headscale.v1.SetTagsResponse
+	(*RegisterNodeResponse)(nil),     // 40: headscale.v1.RegisterNodeResponse
+	(*DeleteNodeResponse)(nil),       // 41: headscale.v1.DeleteNodeResponse
+	(*ExpireNodeResponse)(nil),       // 42: headscale.v1.ExpireNodeResponse
+	(*RenameNodeResponse)(nil),       // 43: headscale.v1.RenameNodeResponse
+	(*ListNodesResponse)(nil),        // 44: headscale.v1.ListNodesResponse
+	(*MoveNodeResponse)(nil),         // 45: headscale.v1.MoveNodeResponse
+	(*BackfillNodeIPsResponse)(nil),  // 46: headscale.v1.BackfillNodeIPsResponse
+	(*GetRoutesResponse)(nil),        // 47: headscale.v1.GetRoutesResponse
+	(*EnableRouteResponse)(nil),      // 48: headscale.v1.EnableRouteResponse
+	(*DisableRouteResponse)(nil),     // 49: headscale.v1.DisableRouteResponse
+	(*GetNodeRoutesResponse)(nil),    // 50: headscale.v1.GetNodeRoutesResponse
+	(*DeleteRouteResponse)(nil),      // 51: headscale.v1.DeleteRouteResponse
+	(*CreateApiKeyResponse)(nil),     // 52: headscale.v1.CreateApiKeyResponse
+	(*ExpireApiKeyResponse)(nil),     // 53: headscale.v1.ExpireApiKeyResponse
+	(*ListApiKeysResponse)(nil),      // 54: headscale.v1.ListApiKeysResponse
+	(*DeleteApiKeyResponse)(nil),     // 55: headscale.v1.DeleteApiKeyResponse
+	(*GetPolicyResponse)(nil),        // 56: headscale.v1.GetPolicyResponse
+	(*SetPolicyResponse)(nil),        // 57: headscale.v1.SetPolicyResponse
 }
 var file_headscale_v1_headscale_proto_depIdxs = []int32{
 	0,  // 0: headscale.v1.HeadscaleService.GetUser:input_type -> headscale.v1.GetUserRequest
@@ -326,35 +345,39 @@ var file_headscale_v1_headscale_proto_depIdxs = []int32{
 	24, // 24: headscale.v1.HeadscaleService.ExpireApiKey:input_type -> headscale.v1.ExpireApiKeyRequest
 	25, // 25: headscale.v1.HeadscaleService.ListApiKeys:input_type -> headscale.v1.ListApiKeysRequest
 	26, // 26: headscale.v1.HeadscaleService.DeleteApiKey:input_type -> headscale.v1.DeleteApiKeyRequest
-	27, // 27: headscale.v1.HeadscaleService.GetUser:output_type -> headscale.v1.GetUserResponse
-	28, // 28: headscale.v1.HeadscaleService.CreateUser:output_type -> headscale.v1.CreateUserResponse
-	29, // 29: headscale.v1.HeadscaleService.RenameUser:output_type -> headscale.v1.RenameUserResponse
-	30, // 30: headscale.v1.HeadscaleService.DeleteUser:output_type -> headscale.v1.DeleteUserResponse
-	31, // 31: headscale.v1.HeadscaleService.ListUsers:output_type -> headscale.v1.ListUsersResponse
-	32, // 32: headscale.v1.HeadscaleService.CreatePreAuthKey:output_type -> headscale.v1.CreatePreAuthKeyResponse
-	33, // 33: headscale.v1.HeadscaleService.ExpirePreAuthKey:output_type -> headscale.v1.ExpirePreAuthKeyResponse
-	34, // 34: headscale.v1.HeadscaleService.ListPreAuthKeys:output_type -> headscale.v1.ListPreAuthKeysResponse
-	35, // 35: headscale.v1.HeadscaleService.DebugCreateNode:output_type -> headscale.v1.DebugCreateNodeResponse
-	36, // 36: headscale.v1.HeadscaleService.GetNode:output_type -> headscale.v1.GetNodeResponse
-	37, // 37: headscale.v1.HeadscaleService.SetTags:output_type -> headscale.v1.SetTagsResponse
-	38, // 38: headscale.v1.HeadscaleService.RegisterNode:output_type -> headscale.v1.RegisterNodeResponse
-	39, // 39: headscale.v1.HeadscaleService.DeleteNode:output_type -> headscale.v1.DeleteNodeResponse
-	40, // 40: headscale.v1.HeadscaleService.ExpireNode:output_type -> headscale.v1.ExpireNodeResponse
-	41, // 41: headscale.v1.HeadscaleService.RenameNode:output_type -> headscale.v1.RenameNodeResponse
-	42, // 42: headscale.v1.HeadscaleService.ListNodes:output_type -> headscale.v1.ListNodesResponse
-	43, // 43: headscale.v1.HeadscaleService.MoveNode:output_type -> headscale.v1.MoveNodeResponse
-	44, // 44: headscale.v1.HeadscaleService.BackfillNodeIPs:output_type -> headscale.v1.BackfillNodeIPsResponse
-	45, // 45: headscale.v1.HeadscaleService.GetRoutes:output_type -> headscale.v1.GetRoutesResponse
-	46, // 46: headscale.v1.HeadscaleService.EnableRoute:output_type -> headscale.v1.EnableRouteResponse
-	47, // 47: headscale.v1.HeadscaleService.DisableRoute:output_type -> headscale.v1.DisableRouteResponse
-	48, // 48: headscale.v1.HeadscaleService.GetNodeRoutes:output_type -> headscale.v1.GetNodeRoutesResponse
-	49, // 49: headscale.v1.HeadscaleService.DeleteRoute:output_type -> headscale.v1.DeleteRouteResponse
-	50, // 50: headscale.v1.HeadscaleService.CreateApiKey:output_type -> headscale.v1.CreateApiKeyResponse
-	51, // 51: headscale.v1.HeadscaleService.ExpireApiKey:output_type -> headscale.v1.ExpireApiKeyResponse
-	52, // 52: headscale.v1.HeadscaleService.ListApiKeys:output_type -> headscale.v1.ListApiKeysResponse
-	53, // 53: headscale.v1.HeadscaleService.DeleteApiKey:output_type -> headscale.v1.DeleteApiKeyResponse
-	27, // [27:54] is the sub-list for method output_type
-	0,  // [0:27] is the sub-list for method input_type
+	27, // 27: headscale.v1.HeadscaleService.GetPolicy:input_type -> headscale.v1.GetPolicyRequest
+	28, // 28: headscale.v1.HeadscaleService.SetPolicy:input_type -> headscale.v1.SetPolicyRequest
+	29, // 29: headscale.v1.HeadscaleService.GetUser:output_type -> headscale.v1.GetUserResponse
+	30, // 30: headscale.v1.HeadscaleService.CreateUser:output_type -> headscale.v1.CreateUserResponse
+	31, // 31: headscale.v1.HeadscaleService.RenameUser:output_type -> headscale.v1.RenameUserResponse
+	32, // 32: headscale.v1.HeadscaleService.DeleteUser:output_type -> headscale.v1.DeleteUserResponse
+	33, // 33: headscale.v1.HeadscaleService.ListUsers:output_type -> headscale.v1.ListUsersResponse
+	34, // 34: headscale.v1.HeadscaleService.CreatePreAuthKey:output_type -> headscale.v1.CreatePreAuthKeyResponse
+	35, // 35: headscale.v1.HeadscaleService.ExpirePreAuthKey:output_type -> headscale.v1.ExpirePreAuthKeyResponse
+	36, // 36: headscale.v1.HeadscaleService.ListPreAuthKeys:output_type -> headscale.v1.ListPreAuthKeysResponse
+	37, // 37: headscale.v1.HeadscaleService.DebugCreateNode:output_type -> headscale.v1.DebugCreateNodeResponse
+	38, // 38: headscale.v1.HeadscaleService.GetNode:output_type -> headscale.v1.GetNodeResponse
+	39, // 39: headscale.v1.HeadscaleService.SetTags:output_type -> headscale.v1.SetTagsResponse
+	40, // 40: headscale.v1.HeadscaleService.RegisterNode:output_type -> headscale.v1.RegisterNodeResponse
+	41, // 41: headscale.v1.HeadscaleService.DeleteNode:output_type -> headscale.v1.DeleteNodeResponse
+	42, // 42: headscale.v1.HeadscaleService.ExpireNode:output_type -> headscale.v1.ExpireNodeResponse
+	43, // 43: headscale.v1.HeadscaleService.RenameNode:output_type -> headscale.v1.RenameNodeResponse
+	44, // 44: headscale.v1.HeadscaleService.ListNodes:output_type -> headscale.v1.ListNodesResponse
+	45, // 45: headscale.v1.HeadscaleService.MoveNode:output_type -> headscale.v1.MoveNodeResponse
+	46, // 46: headscale.v1.HeadscaleService.BackfillNodeIPs:output_type -> headscale.v1.BackfillNodeIPsResponse
+	47, // 47: headscale.v1.HeadscaleService.GetRoutes:output_type -> headscale.v1.GetRoutesResponse
+	48, // 48: headscale.v1.HeadscaleService.EnableRoute:output_type -> headscale.v1.EnableRouteResponse
+	49, // 49: headscale.v1.HeadscaleService.DisableRoute:output_type -> headscale.v1.DisableRouteResponse
+	50, // 50: headscale.v1.HeadscaleService.GetNodeRoutes:output_type -> headscale.v1.GetNodeRoutesResponse
+	51, // 51: headscale.v1.HeadscaleService.DeleteRoute:output_type -> headscale.v1.DeleteRouteResponse
+	52, // 52: headscale.v1.HeadscaleService.CreateApiKey:output_type -> headscale.v1.CreateApiKeyResponse
+	53, // 53: headscale.v1.HeadscaleService.ExpireApiKey:output_type -> headscale.v1.ExpireApiKeyResponse
+	54, // 54: headscale.v1.HeadscaleService.ListApiKeys:output_type -> headscale.v1.ListApiKeysResponse
+	55, // 55: headscale.v1.HeadscaleService.DeleteApiKey:output_type -> headscale.v1.DeleteApiKeyResponse
+	56, // 56: headscale.v1.HeadscaleService.GetPolicy:output_type -> headscale.v1.GetPolicyResponse
+	57, // 57: headscale.v1.HeadscaleService.SetPolicy:output_type -> headscale.v1.SetPolicyResponse
+	29, // [29:58] is the sub-list for method output_type
+	0,  // [0:29] 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
@@ -370,6 +393,7 @@ func file_headscale_v1_headscale_proto_init() {
 	file_headscale_v1_node_proto_init()
 	file_headscale_v1_routes_proto_init()
 	file_headscale_v1_apikey_proto_init()
+	file_headscale_v1_policy_proto_init()
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{

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

@@ -87,7 +87,11 @@ func request_HeadscaleService_CreateUser_0(ctx context.Context, marshaler runtim
 	var protoReq CreateUserRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -100,7 +104,11 @@ func local_request_HeadscaleService_CreateUser_0(ctx context.Context, marshaler
 	var protoReq CreateUserRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -255,7 +263,11 @@ func request_HeadscaleService_CreatePreAuthKey_0(ctx context.Context, marshaler
 	var protoReq CreatePreAuthKeyRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -268,7 +280,11 @@ func local_request_HeadscaleService_CreatePreAuthKey_0(ctx context.Context, mars
 	var protoReq CreatePreAuthKeyRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -281,7 +297,11 @@ func request_HeadscaleService_ExpirePreAuthKey_0(ctx context.Context, marshaler
 	var protoReq ExpirePreAuthKeyRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -294,7 +314,11 @@ func local_request_HeadscaleService_ExpirePreAuthKey_0(ctx context.Context, mars
 	var protoReq ExpirePreAuthKeyRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -343,7 +367,11 @@ func request_HeadscaleService_DebugCreateNode_0(ctx context.Context, marshaler r
 	var protoReq DebugCreateNodeRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -356,7 +384,11 @@ func local_request_HeadscaleService_DebugCreateNode_0(ctx context.Context, marsh
 	var protoReq DebugCreateNodeRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -421,7 +453,11 @@ func request_HeadscaleService_SetTags_0(ctx context.Context, marshaler runtime.M
 	var protoReq SetTagsRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -451,7 +487,11 @@ func local_request_HeadscaleService_SetTags_0(ctx context.Context, marshaler run
 	var protoReq SetTagsRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -1061,7 +1101,11 @@ func request_HeadscaleService_CreateApiKey_0(ctx context.Context, marshaler runt
 	var protoReq CreateApiKeyRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -1074,7 +1118,11 @@ func local_request_HeadscaleService_CreateApiKey_0(ctx context.Context, marshale
 	var protoReq CreateApiKeyRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -1087,7 +1135,11 @@ func request_HeadscaleService_ExpireApiKey_0(ctx context.Context, marshaler runt
 	var protoReq ExpireApiKeyRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -1100,7 +1152,11 @@ func local_request_HeadscaleService_ExpireApiKey_0(ctx context.Context, marshale
 	var protoReq ExpireApiKeyRequest
 	var metadata runtime.ServerMetadata
 
-	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
@@ -1179,6 +1235,58 @@ func local_request_HeadscaleService_DeleteApiKey_0(ctx context.Context, marshale
 
 }
 
+func request_HeadscaleService_GetPolicy_0(ctx context.Context, marshaler runtime.Marshaler, client HeadscaleServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetPolicyRequest
+	var metadata runtime.ServerMetadata
+
+	msg, err := client.GetPolicy(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_HeadscaleService_GetPolicy_0(ctx context.Context, marshaler runtime.Marshaler, server HeadscaleServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq GetPolicyRequest
+	var metadata runtime.ServerMetadata
+
+	msg, err := server.GetPolicy(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_HeadscaleService_SetPolicy_0(ctx context.Context, marshaler runtime.Marshaler, client HeadscaleServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq SetPolicyRequest
+	var metadata runtime.ServerMetadata
+
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.SetPolicy(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_HeadscaleService_SetPolicy_0(ctx context.Context, marshaler runtime.Marshaler, server HeadscaleServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq SetPolicyRequest
+	var metadata runtime.ServerMetadata
+
+	newReader, berr := utilities.IOReaderFactory(req.Body)
+	if berr != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", berr)
+	}
+	if err := marshaler.NewDecoder(newReader()).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.SetPolicy(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.
@@ -1860,13 +1968,63 @@ func RegisterHeadscaleServiceHandlerServer(ctx context.Context, mux *runtime.Ser
 
 	})
 
+	mux.Handle("GET", pattern_HeadscaleService_GetPolicy_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/headscale.v1.HeadscaleService/GetPolicy", runtime.WithHTTPPathPattern("/api/v1/policy"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_HeadscaleService_GetPolicy_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_GetPolicy_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("PUT", pattern_HeadscaleService_SetPolicy_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/headscale.v1.HeadscaleService/SetPolicy", runtime.WithHTTPPathPattern("/api/v1/policy"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_HeadscaleService_SetPolicy_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_SetPolicy_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
 // RegisterHeadscaleServiceHandlerFromEndpoint is same as RegisterHeadscaleServiceHandler but
 // automatically dials to "endpoint" and closes the connection when "ctx" gets done.
 func RegisterHeadscaleServiceHandlerFromEndpoint(ctx context.Context, mux *runtime.ServeMux, endpoint string, opts []grpc.DialOption) (err error) {
-	conn, err := grpc.DialContext(ctx, endpoint, opts...)
+	conn, err := grpc.Dial(endpoint, opts...)
 	if err != nil {
 		return err
 	}
@@ -2495,6 +2653,50 @@ func RegisterHeadscaleServiceHandlerClient(ctx context.Context, mux *runtime.Ser
 
 	})
 
+	mux.Handle("GET", pattern_HeadscaleService_GetPolicy_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/headscale.v1.HeadscaleService/GetPolicy", runtime.WithHTTPPathPattern("/api/v1/policy"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_HeadscaleService_GetPolicy_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_GetPolicy_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("PUT", pattern_HeadscaleService_SetPolicy_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)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/headscale.v1.HeadscaleService/SetPolicy", runtime.WithHTTPPathPattern("/api/v1/policy"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_HeadscaleService_SetPolicy_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_SetPolicy_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
@@ -2552,6 +2754,10 @@ var (
 	pattern_HeadscaleService_ListApiKeys_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"api", "v1", "apikey"}, ""))
 
 	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"}, ""))
 )
 
 var (
@@ -2608,4 +2814,8 @@ var (
 	forward_HeadscaleService_ListApiKeys_0 = runtime.ForwardResponseMessage
 
 	forward_HeadscaleService_DeleteApiKey_0 = runtime.ForwardResponseMessage
+
+	forward_HeadscaleService_GetPolicy_0 = runtime.ForwardResponseMessage
+
+	forward_HeadscaleService_SetPolicy_0 = runtime.ForwardResponseMessage
 )

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

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go-grpc. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-grpc v1.3.0
+// - protoc-gen-go-grpc v1.2.0
 // - protoc             (unknown)
 // source: headscale/v1/headscale.proto
 
@@ -18,36 +18,6 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
-const (
-	HeadscaleService_GetUser_FullMethodName          = "/headscale.v1.HeadscaleService/GetUser"
-	HeadscaleService_CreateUser_FullMethodName       = "/headscale.v1.HeadscaleService/CreateUser"
-	HeadscaleService_RenameUser_FullMethodName       = "/headscale.v1.HeadscaleService/RenameUser"
-	HeadscaleService_DeleteUser_FullMethodName       = "/headscale.v1.HeadscaleService/DeleteUser"
-	HeadscaleService_ListUsers_FullMethodName        = "/headscale.v1.HeadscaleService/ListUsers"
-	HeadscaleService_CreatePreAuthKey_FullMethodName = "/headscale.v1.HeadscaleService/CreatePreAuthKey"
-	HeadscaleService_ExpirePreAuthKey_FullMethodName = "/headscale.v1.HeadscaleService/ExpirePreAuthKey"
-	HeadscaleService_ListPreAuthKeys_FullMethodName  = "/headscale.v1.HeadscaleService/ListPreAuthKeys"
-	HeadscaleService_DebugCreateNode_FullMethodName  = "/headscale.v1.HeadscaleService/DebugCreateNode"
-	HeadscaleService_GetNode_FullMethodName          = "/headscale.v1.HeadscaleService/GetNode"
-	HeadscaleService_SetTags_FullMethodName          = "/headscale.v1.HeadscaleService/SetTags"
-	HeadscaleService_RegisterNode_FullMethodName     = "/headscale.v1.HeadscaleService/RegisterNode"
-	HeadscaleService_DeleteNode_FullMethodName       = "/headscale.v1.HeadscaleService/DeleteNode"
-	HeadscaleService_ExpireNode_FullMethodName       = "/headscale.v1.HeadscaleService/ExpireNode"
-	HeadscaleService_RenameNode_FullMethodName       = "/headscale.v1.HeadscaleService/RenameNode"
-	HeadscaleService_ListNodes_FullMethodName        = "/headscale.v1.HeadscaleService/ListNodes"
-	HeadscaleService_MoveNode_FullMethodName         = "/headscale.v1.HeadscaleService/MoveNode"
-	HeadscaleService_BackfillNodeIPs_FullMethodName  = "/headscale.v1.HeadscaleService/BackfillNodeIPs"
-	HeadscaleService_GetRoutes_FullMethodName        = "/headscale.v1.HeadscaleService/GetRoutes"
-	HeadscaleService_EnableRoute_FullMethodName      = "/headscale.v1.HeadscaleService/EnableRoute"
-	HeadscaleService_DisableRoute_FullMethodName     = "/headscale.v1.HeadscaleService/DisableRoute"
-	HeadscaleService_GetNodeRoutes_FullMethodName    = "/headscale.v1.HeadscaleService/GetNodeRoutes"
-	HeadscaleService_DeleteRoute_FullMethodName      = "/headscale.v1.HeadscaleService/DeleteRoute"
-	HeadscaleService_CreateApiKey_FullMethodName     = "/headscale.v1.HeadscaleService/CreateApiKey"
-	HeadscaleService_ExpireApiKey_FullMethodName     = "/headscale.v1.HeadscaleService/ExpireApiKey"
-	HeadscaleService_ListApiKeys_FullMethodName      = "/headscale.v1.HeadscaleService/ListApiKeys"
-	HeadscaleService_DeleteApiKey_FullMethodName     = "/headscale.v1.HeadscaleService/DeleteApiKey"
-)
-
 // HeadscaleServiceClient is the client API for HeadscaleService service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
@@ -84,6 +54,9 @@ type HeadscaleServiceClient interface {
 	ExpireApiKey(ctx context.Context, in *ExpireApiKeyRequest, opts ...grpc.CallOption) (*ExpireApiKeyResponse, error)
 	ListApiKeys(ctx context.Context, in *ListApiKeysRequest, opts ...grpc.CallOption) (*ListApiKeysResponse, error)
 	DeleteApiKey(ctx context.Context, in *DeleteApiKeyRequest, opts ...grpc.CallOption) (*DeleteApiKeyResponse, error)
+	// --- Policy start ---
+	GetPolicy(ctx context.Context, in *GetPolicyRequest, opts ...grpc.CallOption) (*GetPolicyResponse, error)
+	SetPolicy(ctx context.Context, in *SetPolicyRequest, opts ...grpc.CallOption) (*SetPolicyResponse, error)
 }
 
 type headscaleServiceClient struct {
@@ -96,7 +69,7 @@ func NewHeadscaleServiceClient(cc grpc.ClientConnInterface) HeadscaleServiceClie
 
 func (c *headscaleServiceClient) GetUser(ctx context.Context, in *GetUserRequest, opts ...grpc.CallOption) (*GetUserResponse, error) {
 	out := new(GetUserResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_GetUser_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/GetUser", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -105,7 +78,7 @@ func (c *headscaleServiceClient) GetUser(ctx context.Context, in *GetUserRequest
 
 func (c *headscaleServiceClient) CreateUser(ctx context.Context, in *CreateUserRequest, opts ...grpc.CallOption) (*CreateUserResponse, error) {
 	out := new(CreateUserResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_CreateUser_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/CreateUser", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -114,7 +87,7 @@ func (c *headscaleServiceClient) CreateUser(ctx context.Context, in *CreateUserR
 
 func (c *headscaleServiceClient) RenameUser(ctx context.Context, in *RenameUserRequest, opts ...grpc.CallOption) (*RenameUserResponse, error) {
 	out := new(RenameUserResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_RenameUser_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/RenameUser", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -123,7 +96,7 @@ func (c *headscaleServiceClient) RenameUser(ctx context.Context, in *RenameUserR
 
 func (c *headscaleServiceClient) DeleteUser(ctx context.Context, in *DeleteUserRequest, opts ...grpc.CallOption) (*DeleteUserResponse, error) {
 	out := new(DeleteUserResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_DeleteUser_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/DeleteUser", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -132,7 +105,7 @@ func (c *headscaleServiceClient) DeleteUser(ctx context.Context, in *DeleteUserR
 
 func (c *headscaleServiceClient) ListUsers(ctx context.Context, in *ListUsersRequest, opts ...grpc.CallOption) (*ListUsersResponse, error) {
 	out := new(ListUsersResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_ListUsers_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/ListUsers", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -141,7 +114,7 @@ func (c *headscaleServiceClient) ListUsers(ctx context.Context, in *ListUsersReq
 
 func (c *headscaleServiceClient) CreatePreAuthKey(ctx context.Context, in *CreatePreAuthKeyRequest, opts ...grpc.CallOption) (*CreatePreAuthKeyResponse, error) {
 	out := new(CreatePreAuthKeyResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_CreatePreAuthKey_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/CreatePreAuthKey", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -150,7 +123,7 @@ func (c *headscaleServiceClient) CreatePreAuthKey(ctx context.Context, in *Creat
 
 func (c *headscaleServiceClient) ExpirePreAuthKey(ctx context.Context, in *ExpirePreAuthKeyRequest, opts ...grpc.CallOption) (*ExpirePreAuthKeyResponse, error) {
 	out := new(ExpirePreAuthKeyResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_ExpirePreAuthKey_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/ExpirePreAuthKey", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -159,7 +132,7 @@ func (c *headscaleServiceClient) ExpirePreAuthKey(ctx context.Context, in *Expir
 
 func (c *headscaleServiceClient) ListPreAuthKeys(ctx context.Context, in *ListPreAuthKeysRequest, opts ...grpc.CallOption) (*ListPreAuthKeysResponse, error) {
 	out := new(ListPreAuthKeysResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_ListPreAuthKeys_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/ListPreAuthKeys", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -168,7 +141,7 @@ func (c *headscaleServiceClient) ListPreAuthKeys(ctx context.Context, in *ListPr
 
 func (c *headscaleServiceClient) DebugCreateNode(ctx context.Context, in *DebugCreateNodeRequest, opts ...grpc.CallOption) (*DebugCreateNodeResponse, error) {
 	out := new(DebugCreateNodeResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_DebugCreateNode_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/DebugCreateNode", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -177,7 +150,7 @@ func (c *headscaleServiceClient) DebugCreateNode(ctx context.Context, in *DebugC
 
 func (c *headscaleServiceClient) GetNode(ctx context.Context, in *GetNodeRequest, opts ...grpc.CallOption) (*GetNodeResponse, error) {
 	out := new(GetNodeResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_GetNode_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/GetNode", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -186,7 +159,7 @@ func (c *headscaleServiceClient) GetNode(ctx context.Context, in *GetNodeRequest
 
 func (c *headscaleServiceClient) SetTags(ctx context.Context, in *SetTagsRequest, opts ...grpc.CallOption) (*SetTagsResponse, error) {
 	out := new(SetTagsResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_SetTags_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/SetTags", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -195,7 +168,7 @@ func (c *headscaleServiceClient) SetTags(ctx context.Context, in *SetTagsRequest
 
 func (c *headscaleServiceClient) RegisterNode(ctx context.Context, in *RegisterNodeRequest, opts ...grpc.CallOption) (*RegisterNodeResponse, error) {
 	out := new(RegisterNodeResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_RegisterNode_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/RegisterNode", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -204,7 +177,7 @@ func (c *headscaleServiceClient) RegisterNode(ctx context.Context, in *RegisterN
 
 func (c *headscaleServiceClient) DeleteNode(ctx context.Context, in *DeleteNodeRequest, opts ...grpc.CallOption) (*DeleteNodeResponse, error) {
 	out := new(DeleteNodeResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_DeleteNode_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/DeleteNode", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -213,7 +186,7 @@ func (c *headscaleServiceClient) DeleteNode(ctx context.Context, in *DeleteNodeR
 
 func (c *headscaleServiceClient) ExpireNode(ctx context.Context, in *ExpireNodeRequest, opts ...grpc.CallOption) (*ExpireNodeResponse, error) {
 	out := new(ExpireNodeResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_ExpireNode_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/ExpireNode", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -222,7 +195,7 @@ func (c *headscaleServiceClient) ExpireNode(ctx context.Context, in *ExpireNodeR
 
 func (c *headscaleServiceClient) RenameNode(ctx context.Context, in *RenameNodeRequest, opts ...grpc.CallOption) (*RenameNodeResponse, error) {
 	out := new(RenameNodeResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_RenameNode_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/RenameNode", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -231,7 +204,7 @@ func (c *headscaleServiceClient) RenameNode(ctx context.Context, in *RenameNodeR
 
 func (c *headscaleServiceClient) ListNodes(ctx context.Context, in *ListNodesRequest, opts ...grpc.CallOption) (*ListNodesResponse, error) {
 	out := new(ListNodesResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_ListNodes_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/ListNodes", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -240,7 +213,7 @@ func (c *headscaleServiceClient) ListNodes(ctx context.Context, in *ListNodesReq
 
 func (c *headscaleServiceClient) MoveNode(ctx context.Context, in *MoveNodeRequest, opts ...grpc.CallOption) (*MoveNodeResponse, error) {
 	out := new(MoveNodeResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_MoveNode_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/MoveNode", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -249,7 +222,7 @@ func (c *headscaleServiceClient) MoveNode(ctx context.Context, in *MoveNodeReque
 
 func (c *headscaleServiceClient) BackfillNodeIPs(ctx context.Context, in *BackfillNodeIPsRequest, opts ...grpc.CallOption) (*BackfillNodeIPsResponse, error) {
 	out := new(BackfillNodeIPsResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_BackfillNodeIPs_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/BackfillNodeIPs", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -258,7 +231,7 @@ func (c *headscaleServiceClient) BackfillNodeIPs(ctx context.Context, in *Backfi
 
 func (c *headscaleServiceClient) GetRoutes(ctx context.Context, in *GetRoutesRequest, opts ...grpc.CallOption) (*GetRoutesResponse, error) {
 	out := new(GetRoutesResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_GetRoutes_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/GetRoutes", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -267,7 +240,7 @@ func (c *headscaleServiceClient) GetRoutes(ctx context.Context, in *GetRoutesReq
 
 func (c *headscaleServiceClient) EnableRoute(ctx context.Context, in *EnableRouteRequest, opts ...grpc.CallOption) (*EnableRouteResponse, error) {
 	out := new(EnableRouteResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_EnableRoute_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/EnableRoute", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -276,7 +249,7 @@ func (c *headscaleServiceClient) EnableRoute(ctx context.Context, in *EnableRout
 
 func (c *headscaleServiceClient) DisableRoute(ctx context.Context, in *DisableRouteRequest, opts ...grpc.CallOption) (*DisableRouteResponse, error) {
 	out := new(DisableRouteResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_DisableRoute_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/DisableRoute", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -285,7 +258,7 @@ func (c *headscaleServiceClient) DisableRoute(ctx context.Context, in *DisableRo
 
 func (c *headscaleServiceClient) GetNodeRoutes(ctx context.Context, in *GetNodeRoutesRequest, opts ...grpc.CallOption) (*GetNodeRoutesResponse, error) {
 	out := new(GetNodeRoutesResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_GetNodeRoutes_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/GetNodeRoutes", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -294,7 +267,7 @@ func (c *headscaleServiceClient) GetNodeRoutes(ctx context.Context, in *GetNodeR
 
 func (c *headscaleServiceClient) DeleteRoute(ctx context.Context, in *DeleteRouteRequest, opts ...grpc.CallOption) (*DeleteRouteResponse, error) {
 	out := new(DeleteRouteResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_DeleteRoute_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/DeleteRoute", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -303,7 +276,7 @@ func (c *headscaleServiceClient) DeleteRoute(ctx context.Context, in *DeleteRout
 
 func (c *headscaleServiceClient) CreateApiKey(ctx context.Context, in *CreateApiKeyRequest, opts ...grpc.CallOption) (*CreateApiKeyResponse, error) {
 	out := new(CreateApiKeyResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_CreateApiKey_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/CreateApiKey", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -312,7 +285,7 @@ func (c *headscaleServiceClient) CreateApiKey(ctx context.Context, in *CreateApi
 
 func (c *headscaleServiceClient) ExpireApiKey(ctx context.Context, in *ExpireApiKeyRequest, opts ...grpc.CallOption) (*ExpireApiKeyResponse, error) {
 	out := new(ExpireApiKeyResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_ExpireApiKey_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/ExpireApiKey", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -321,7 +294,7 @@ func (c *headscaleServiceClient) ExpireApiKey(ctx context.Context, in *ExpireApi
 
 func (c *headscaleServiceClient) ListApiKeys(ctx context.Context, in *ListApiKeysRequest, opts ...grpc.CallOption) (*ListApiKeysResponse, error) {
 	out := new(ListApiKeysResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_ListApiKeys_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/ListApiKeys", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -330,7 +303,25 @@ func (c *headscaleServiceClient) ListApiKeys(ctx context.Context, in *ListApiKey
 
 func (c *headscaleServiceClient) DeleteApiKey(ctx context.Context, in *DeleteApiKeyRequest, opts ...grpc.CallOption) (*DeleteApiKeyResponse, error) {
 	out := new(DeleteApiKeyResponse)
-	err := c.cc.Invoke(ctx, HeadscaleService_DeleteApiKey_FullMethodName, in, out, opts...)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/DeleteApiKey", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *headscaleServiceClient) GetPolicy(ctx context.Context, in *GetPolicyRequest, opts ...grpc.CallOption) (*GetPolicyResponse, error) {
+	out := new(GetPolicyResponse)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/GetPolicy", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *headscaleServiceClient) SetPolicy(ctx context.Context, in *SetPolicyRequest, opts ...grpc.CallOption) (*SetPolicyResponse, error) {
+	out := new(SetPolicyResponse)
+	err := c.cc.Invoke(ctx, "/headscale.v1.HeadscaleService/SetPolicy", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@@ -373,6 +364,9 @@ type HeadscaleServiceServer interface {
 	ExpireApiKey(context.Context, *ExpireApiKeyRequest) (*ExpireApiKeyResponse, error)
 	ListApiKeys(context.Context, *ListApiKeysRequest) (*ListApiKeysResponse, error)
 	DeleteApiKey(context.Context, *DeleteApiKeyRequest) (*DeleteApiKeyResponse, error)
+	// --- Policy start ---
+	GetPolicy(context.Context, *GetPolicyRequest) (*GetPolicyResponse, error)
+	SetPolicy(context.Context, *SetPolicyRequest) (*SetPolicyResponse, error)
 	mustEmbedUnimplementedHeadscaleServiceServer()
 }
 
@@ -461,6 +455,12 @@ func (UnimplementedHeadscaleServiceServer) ListApiKeys(context.Context, *ListApi
 func (UnimplementedHeadscaleServiceServer) DeleteApiKey(context.Context, *DeleteApiKeyRequest) (*DeleteApiKeyResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteApiKey not implemented")
 }
+func (UnimplementedHeadscaleServiceServer) GetPolicy(context.Context, *GetPolicyRequest) (*GetPolicyResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetPolicy not implemented")
+}
+func (UnimplementedHeadscaleServiceServer) SetPolicy(context.Context, *SetPolicyRequest) (*SetPolicyResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method SetPolicy not implemented")
+}
 func (UnimplementedHeadscaleServiceServer) mustEmbedUnimplementedHeadscaleServiceServer() {}
 
 // UnsafeHeadscaleServiceServer may be embedded to opt out of forward compatibility for this service.
@@ -484,7 +484,7 @@ func _HeadscaleService_GetUser_Handler(srv interface{}, ctx context.Context, dec
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_GetUser_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/GetUser",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).GetUser(ctx, req.(*GetUserRequest))
@@ -502,7 +502,7 @@ func _HeadscaleService_CreateUser_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_CreateUser_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/CreateUser",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).CreateUser(ctx, req.(*CreateUserRequest))
@@ -520,7 +520,7 @@ func _HeadscaleService_RenameUser_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_RenameUser_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/RenameUser",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).RenameUser(ctx, req.(*RenameUserRequest))
@@ -538,7 +538,7 @@ func _HeadscaleService_DeleteUser_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_DeleteUser_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/DeleteUser",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).DeleteUser(ctx, req.(*DeleteUserRequest))
@@ -556,7 +556,7 @@ func _HeadscaleService_ListUsers_Handler(srv interface{}, ctx context.Context, d
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_ListUsers_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/ListUsers",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).ListUsers(ctx, req.(*ListUsersRequest))
@@ -574,7 +574,7 @@ func _HeadscaleService_CreatePreAuthKey_Handler(srv interface{}, ctx context.Con
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_CreatePreAuthKey_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/CreatePreAuthKey",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).CreatePreAuthKey(ctx, req.(*CreatePreAuthKeyRequest))
@@ -592,7 +592,7 @@ func _HeadscaleService_ExpirePreAuthKey_Handler(srv interface{}, ctx context.Con
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_ExpirePreAuthKey_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/ExpirePreAuthKey",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).ExpirePreAuthKey(ctx, req.(*ExpirePreAuthKeyRequest))
@@ -610,7 +610,7 @@ func _HeadscaleService_ListPreAuthKeys_Handler(srv interface{}, ctx context.Cont
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_ListPreAuthKeys_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/ListPreAuthKeys",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).ListPreAuthKeys(ctx, req.(*ListPreAuthKeysRequest))
@@ -628,7 +628,7 @@ func _HeadscaleService_DebugCreateNode_Handler(srv interface{}, ctx context.Cont
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_DebugCreateNode_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/DebugCreateNode",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).DebugCreateNode(ctx, req.(*DebugCreateNodeRequest))
@@ -646,7 +646,7 @@ func _HeadscaleService_GetNode_Handler(srv interface{}, ctx context.Context, dec
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_GetNode_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/GetNode",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).GetNode(ctx, req.(*GetNodeRequest))
@@ -664,7 +664,7 @@ func _HeadscaleService_SetTags_Handler(srv interface{}, ctx context.Context, dec
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_SetTags_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/SetTags",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).SetTags(ctx, req.(*SetTagsRequest))
@@ -682,7 +682,7 @@ func _HeadscaleService_RegisterNode_Handler(srv interface{}, ctx context.Context
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_RegisterNode_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/RegisterNode",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).RegisterNode(ctx, req.(*RegisterNodeRequest))
@@ -700,7 +700,7 @@ func _HeadscaleService_DeleteNode_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_DeleteNode_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/DeleteNode",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).DeleteNode(ctx, req.(*DeleteNodeRequest))
@@ -718,7 +718,7 @@ func _HeadscaleService_ExpireNode_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_ExpireNode_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/ExpireNode",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).ExpireNode(ctx, req.(*ExpireNodeRequest))
@@ -736,7 +736,7 @@ func _HeadscaleService_RenameNode_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_RenameNode_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/RenameNode",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).RenameNode(ctx, req.(*RenameNodeRequest))
@@ -754,7 +754,7 @@ func _HeadscaleService_ListNodes_Handler(srv interface{}, ctx context.Context, d
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_ListNodes_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/ListNodes",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).ListNodes(ctx, req.(*ListNodesRequest))
@@ -772,7 +772,7 @@ func _HeadscaleService_MoveNode_Handler(srv interface{}, ctx context.Context, de
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_MoveNode_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/MoveNode",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).MoveNode(ctx, req.(*MoveNodeRequest))
@@ -790,7 +790,7 @@ func _HeadscaleService_BackfillNodeIPs_Handler(srv interface{}, ctx context.Cont
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_BackfillNodeIPs_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/BackfillNodeIPs",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).BackfillNodeIPs(ctx, req.(*BackfillNodeIPsRequest))
@@ -808,7 +808,7 @@ func _HeadscaleService_GetRoutes_Handler(srv interface{}, ctx context.Context, d
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_GetRoutes_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/GetRoutes",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).GetRoutes(ctx, req.(*GetRoutesRequest))
@@ -826,7 +826,7 @@ func _HeadscaleService_EnableRoute_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_EnableRoute_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/EnableRoute",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).EnableRoute(ctx, req.(*EnableRouteRequest))
@@ -844,7 +844,7 @@ func _HeadscaleService_DisableRoute_Handler(srv interface{}, ctx context.Context
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_DisableRoute_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/DisableRoute",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).DisableRoute(ctx, req.(*DisableRouteRequest))
@@ -862,7 +862,7 @@ func _HeadscaleService_GetNodeRoutes_Handler(srv interface{}, ctx context.Contex
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_GetNodeRoutes_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/GetNodeRoutes",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).GetNodeRoutes(ctx, req.(*GetNodeRoutesRequest))
@@ -880,7 +880,7 @@ func _HeadscaleService_DeleteRoute_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_DeleteRoute_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/DeleteRoute",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).DeleteRoute(ctx, req.(*DeleteRouteRequest))
@@ -898,7 +898,7 @@ func _HeadscaleService_CreateApiKey_Handler(srv interface{}, ctx context.Context
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_CreateApiKey_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/CreateApiKey",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).CreateApiKey(ctx, req.(*CreateApiKeyRequest))
@@ -916,7 +916,7 @@ func _HeadscaleService_ExpireApiKey_Handler(srv interface{}, ctx context.Context
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_ExpireApiKey_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/ExpireApiKey",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).ExpireApiKey(ctx, req.(*ExpireApiKeyRequest))
@@ -934,7 +934,7 @@ func _HeadscaleService_ListApiKeys_Handler(srv interface{}, ctx context.Context,
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_ListApiKeys_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/ListApiKeys",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).ListApiKeys(ctx, req.(*ListApiKeysRequest))
@@ -952,7 +952,7 @@ func _HeadscaleService_DeleteApiKey_Handler(srv interface{}, ctx context.Context
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: HeadscaleService_DeleteApiKey_FullMethodName,
+		FullMethod: "/headscale.v1.HeadscaleService/DeleteApiKey",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
 		return srv.(HeadscaleServiceServer).DeleteApiKey(ctx, req.(*DeleteApiKeyRequest))
@@ -960,6 +960,42 @@ func _HeadscaleService_DeleteApiKey_Handler(srv interface{}, ctx context.Context
 	return interceptor(ctx, in, info, handler)
 }
 
+func _HeadscaleService_GetPolicy_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetPolicyRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HeadscaleServiceServer).GetPolicy(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/headscale.v1.HeadscaleService/GetPolicy",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HeadscaleServiceServer).GetPolicy(ctx, req.(*GetPolicyRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _HeadscaleService_SetPolicy_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(SetPolicyRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HeadscaleServiceServer).SetPolicy(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/headscale.v1.HeadscaleService/SetPolicy",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HeadscaleServiceServer).SetPolicy(ctx, req.(*SetPolicyRequest))
+	}
+	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)
@@ -1075,6 +1111,14 @@ var HeadscaleService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "DeleteApiKey",
 			Handler:    _HeadscaleService_DeleteApiKey_Handler,
 		},
+		{
+			MethodName: "GetPolicy",
+			Handler:    _HeadscaleService_GetPolicy_Handler,
+		},
+		{
+			MethodName: "SetPolicy",
+			Handler:    _HeadscaleService_SetPolicy_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 v1.33.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        (unknown)
 // source: headscale/v1/node.proto
 

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

@@ -0,0 +1,352 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.32.0
+// 	protoc        (unknown)
+// source: headscale/v1/policy.proto
+
+package v1
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type SetPolicyRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Policy string `protobuf:"bytes,1,opt,name=policy,proto3" json:"policy,omitempty"`
+}
+
+func (x *SetPolicyRequest) Reset() {
+	*x = SetPolicyRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headscale_v1_policy_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SetPolicyRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SetPolicyRequest) ProtoMessage() {}
+
+func (x *SetPolicyRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_headscale_v1_policy_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SetPolicyRequest.ProtoReflect.Descriptor instead.
+func (*SetPolicyRequest) Descriptor() ([]byte, []int) {
+	return file_headscale_v1_policy_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *SetPolicyRequest) GetPolicy() string {
+	if x != nil {
+		return x.Policy
+	}
+	return ""
+}
+
+type SetPolicyResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Policy    string                 `protobuf:"bytes,1,opt,name=policy,proto3" json:"policy,omitempty"`
+	UpdatedAt *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=updated_at,json=updatedAt,proto3" json:"updated_at,omitempty"`
+}
+
+func (x *SetPolicyResponse) Reset() {
+	*x = SetPolicyResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headscale_v1_policy_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SetPolicyResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SetPolicyResponse) ProtoMessage() {}
+
+func (x *SetPolicyResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_headscale_v1_policy_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SetPolicyResponse.ProtoReflect.Descriptor instead.
+func (*SetPolicyResponse) Descriptor() ([]byte, []int) {
+	return file_headscale_v1_policy_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *SetPolicyResponse) GetPolicy() string {
+	if x != nil {
+		return x.Policy
+	}
+	return ""
+}
+
+func (x *SetPolicyResponse) GetUpdatedAt() *timestamppb.Timestamp {
+	if x != nil {
+		return x.UpdatedAt
+	}
+	return nil
+}
+
+type GetPolicyRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *GetPolicyRequest) Reset() {
+	*x = GetPolicyRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headscale_v1_policy_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetPolicyRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetPolicyRequest) ProtoMessage() {}
+
+func (x *GetPolicyRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_headscale_v1_policy_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetPolicyRequest.ProtoReflect.Descriptor instead.
+func (*GetPolicyRequest) Descriptor() ([]byte, []int) {
+	return file_headscale_v1_policy_proto_rawDescGZIP(), []int{2}
+}
+
+type GetPolicyResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Policy    string                 `protobuf:"bytes,1,opt,name=policy,proto3" json:"policy,omitempty"`
+	UpdatedAt *timestamppb.Timestamp `protobuf:"bytes,2,opt,name=updated_at,json=updatedAt,proto3" json:"updated_at,omitempty"`
+}
+
+func (x *GetPolicyResponse) Reset() {
+	*x = GetPolicyResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_headscale_v1_policy_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetPolicyResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetPolicyResponse) ProtoMessage() {}
+
+func (x *GetPolicyResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_headscale_v1_policy_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetPolicyResponse.ProtoReflect.Descriptor instead.
+func (*GetPolicyResponse) Descriptor() ([]byte, []int) {
+	return file_headscale_v1_policy_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *GetPolicyResponse) GetPolicy() string {
+	if x != nil {
+		return x.Policy
+	}
+	return ""
+}
+
+func (x *GetPolicyResponse) GetUpdatedAt() *timestamppb.Timestamp {
+	if x != nil {
+		return x.UpdatedAt
+	}
+	return nil
+}
+
+var File_headscale_v1_policy_proto protoreflect.FileDescriptor
+
+var file_headscale_v1_policy_proto_rawDesc = []byte{
+	0x0a, 0x19, 0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2f, 0x76, 0x31, 0x2f, 0x70,
+	0x6f, 0x6c, 0x69, 0x63, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0c, 0x68, 0x65, 0x61,
+	0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2e, 0x76, 0x31, 0x1a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c,
+	0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73,
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+	0x69, 0x63, 0x79, 0x12, 0x39, 0x0a, 0x0a, 0x75, 0x70, 0x64, 0x61, 0x74, 0x65, 0x64, 0x5f, 0x61,
+	0x74, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65,
+	0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74,
+	0x61, 0x6d, 0x70, 0x52, 0x09, 0x75, 0x70, 0x64, 0x61, 0x74, 0x65, 0x64, 0x41, 0x74, 0x22, 0x12,
+	0x0a, 0x10, 0x47, 0x65, 0x74, 0x50, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x52, 0x65, 0x71, 0x75, 0x65,
+	0x73, 0x74, 0x22, 0x66, 0x0a, 0x11, 0x47, 0x65, 0x74, 0x50, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x52,
+	0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x70, 0x6f, 0x6c, 0x69, 0x63,
+	0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x70, 0x6f, 0x6c, 0x69, 0x63, 0x79, 0x12,
+	0x39, 0x0a, 0x0a, 0x75, 0x70, 0x64, 0x61, 0x74, 0x65, 0x64, 0x5f, 0x61, 0x74, 0x18, 0x02, 0x20,
+	0x01, 0x28, 0x0b, 0x32, 0x1a, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x54, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x52,
+	0x09, 0x75, 0x70, 0x64, 0x61, 0x74, 0x65, 0x64, 0x41, 0x74, 0x42, 0x29, 0x5a, 0x27, 0x67, 0x69,
+	0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x6a, 0x75, 0x61, 0x6e, 0x66, 0x6f, 0x6e,
+	0x74, 0x2f, 0x68, 0x65, 0x61, 0x64, 0x73, 0x63, 0x61, 0x6c, 0x65, 0x2f, 0x67, 0x65, 0x6e, 0x2f,
+	0x67, 0x6f, 0x2f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_headscale_v1_policy_proto_rawDescOnce sync.Once
+	file_headscale_v1_policy_proto_rawDescData = file_headscale_v1_policy_proto_rawDesc
+)
+
+func file_headscale_v1_policy_proto_rawDescGZIP() []byte {
+	file_headscale_v1_policy_proto_rawDescOnce.Do(func() {
+		file_headscale_v1_policy_proto_rawDescData = protoimpl.X.CompressGZIP(file_headscale_v1_policy_proto_rawDescData)
+	})
+	return file_headscale_v1_policy_proto_rawDescData
+}
+
+var file_headscale_v1_policy_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_headscale_v1_policy_proto_goTypes = []interface{}{
+	(*SetPolicyRequest)(nil),      // 0: headscale.v1.SetPolicyRequest
+	(*SetPolicyResponse)(nil),     // 1: headscale.v1.SetPolicyResponse
+	(*GetPolicyRequest)(nil),      // 2: headscale.v1.GetPolicyRequest
+	(*GetPolicyResponse)(nil),     // 3: headscale.v1.GetPolicyResponse
+	(*timestamppb.Timestamp)(nil), // 4: google.protobuf.Timestamp
+}
+var file_headscale_v1_policy_proto_depIdxs = []int32{
+	4, // 0: headscale.v1.SetPolicyResponse.updated_at:type_name -> google.protobuf.Timestamp
+	4, // 1: headscale.v1.GetPolicyResponse.updated_at:type_name -> google.protobuf.Timestamp
+	2, // [2:2] is the sub-list for method output_type
+	2, // [2:2] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_headscale_v1_policy_proto_init() }
+func file_headscale_v1_policy_proto_init() {
+	if File_headscale_v1_policy_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_headscale_v1_policy_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SetPolicyRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_headscale_v1_policy_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SetPolicyResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_headscale_v1_policy_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetPolicyRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_headscale_v1_policy_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetPolicyResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_headscale_v1_policy_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   4,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_headscale_v1_policy_proto_goTypes,
+		DependencyIndexes: file_headscale_v1_policy_proto_depIdxs,
+		MessageInfos:      file_headscale_v1_policy_proto_msgTypes,
+	}.Build()
+	File_headscale_v1_policy_proto = out.File
+	file_headscale_v1_policy_proto_rawDesc = nil
+	file_headscale_v1_policy_proto_goTypes = nil
+	file_headscale_v1_policy_proto_depIdxs = nil
+}

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

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        (unknown)
 // source: headscale/v1/preauthkey.proto
 

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

@@ -1,6 +1,6 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
-// 	protoc-gen-go v1.33.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        (unknown)
 // source: headscale/v1/routes.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 v1.33.0
+// 	protoc-gen-go v1.32.0
 // 	protoc        (unknown)
 // source: headscale/v1/user.proto
 

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

@@ -34,7 +34,6 @@
         "details": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/protobufAny"
           }
         }

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

@@ -34,7 +34,6 @@
         "details": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/protobufAny"
           }
         }

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

@@ -449,7 +449,15 @@
             "in": "body",
             "required": true,
             "schema": {
-              "$ref": "#/definitions/HeadscaleServiceSetTagsBody"
+              "type": "object",
+              "properties": {
+                "tags": {
+                  "type": "array",
+                  "items": {
+                    "type": "string"
+                  }
+                }
+              }
             }
           }
         ],
@@ -495,6 +503,59 @@
         ]
       }
     },
+    "/api/v1/policy": {
+      "get": {
+        "summary": "--- Policy start ---",
+        "operationId": "HeadscaleService_GetPolicy",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1GetPolicyResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "tags": [
+          "HeadscaleService"
+        ]
+      },
+      "put": {
+        "operationId": "HeadscaleService_SetPolicy",
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/v1SetPolicyResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response.",
+            "schema": {
+              "$ref": "#/definitions/rpcStatus"
+            }
+          }
+        },
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/v1SetPolicyRequest"
+            }
+          }
+        ],
+        "tags": [
+          "HeadscaleService"
+        ]
+      }
+    },
     "/api/v1/preauthkey": {
       "get": {
         "operationId": "HeadscaleService_ListPreAuthKeys",
@@ -853,17 +914,6 @@
     }
   },
   "definitions": {
-    "HeadscaleServiceSetTagsBody": {
-      "type": "object",
-      "properties": {
-        "tags": {
-          "type": "array",
-          "items": {
-            "type": "string"
-          }
-        }
-      }
-    },
     "protobufAny": {
       "type": "object",
       "properties": {
@@ -886,7 +936,6 @@
         "details": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/protobufAny"
           }
         }
@@ -1085,19 +1134,29 @@
         "routes": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/v1Route"
           }
         }
       }
     },
+    "v1GetPolicyResponse": {
+      "type": "object",
+      "properties": {
+        "policy": {
+          "type": "string"
+        },
+        "updatedAt": {
+          "type": "string",
+          "format": "date-time"
+        }
+      }
+    },
     "v1GetRoutesResponse": {
       "type": "object",
       "properties": {
         "routes": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/v1Route"
           }
         }
@@ -1117,7 +1176,6 @@
         "apiKeys": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/v1ApiKey"
           }
         }
@@ -1129,7 +1187,6 @@
         "nodes": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/v1Node"
           }
         }
@@ -1141,7 +1198,6 @@
         "preAuthKeys": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/v1PreAuthKey"
           }
         }
@@ -1153,7 +1209,6 @@
         "users": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/v1User"
           }
         }
@@ -1346,6 +1401,26 @@
         }
       }
     },
+    "v1SetPolicyRequest": {
+      "type": "object",
+      "properties": {
+        "policy": {
+          "type": "string"
+        }
+      }
+    },
+    "v1SetPolicyResponse": {
+      "type": "object",
+      "properties": {
+        "policy": {
+          "type": "string"
+        },
+        "updatedAt": {
+          "type": "string",
+          "format": "date-time"
+        }
+      }
+    },
     "v1SetTagsResponse": {
       "type": "object",
       "properties": {

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

@@ -34,7 +34,6 @@
         "details": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/protobufAny"
           }
         }

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

@@ -0,0 +1,43 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "headscale/v1/policy.proto",
+    "version": "version not set"
+  },
+  "consumes": [
+    "application/json"
+  ],
+  "produces": [
+    "application/json"
+  ],
+  "paths": {},
+  "definitions": {
+    "protobufAny": {
+      "type": "object",
+      "properties": {
+        "@type": {
+          "type": "string"
+        }
+      },
+      "additionalProperties": {}
+    },
+    "rpcStatus": {
+      "type": "object",
+      "properties": {
+        "code": {
+          "type": "integer",
+          "format": "int32"
+        },
+        "message": {
+          "type": "string"
+        },
+        "details": {
+          "type": "array",
+          "items": {
+            "$ref": "#/definitions/protobufAny"
+          }
+        }
+      }
+    }
+  }
+}

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

@@ -34,7 +34,6 @@
         "details": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/protobufAny"
           }
         }

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

@@ -34,7 +34,6 @@
         "details": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/protobufAny"
           }
         }

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

@@ -34,7 +34,6 @@
         "details": {
           "type": "array",
           "items": {
-            "type": "object",
             "$ref": "#/definitions/protobufAny"
           }
         }

go.mod

@@ -1,54 +1,55 @@
 module github.com/juanfont/headscale
 
-go 1.22
+go 1.22.0
 
-toolchain go1.22.0
+toolchain go1.22.2
 
 require (
 	github.com/AlecAivazis/survey/v2 v2.3.7
-	github.com/coreos/go-oidc/v3 v3.9.0
+	github.com/coreos/go-oidc/v3 v3.10.0
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc
 	github.com/deckarep/golang-set/v2 v2.6.0
-	github.com/glebarez/sqlite v1.10.0
-	github.com/go-gormigrate/gormigrate/v2 v2.1.1
-	github.com/gofrs/uuid/v5 v5.0.0
+	github.com/glebarez/sqlite v1.11.0
+	github.com/go-gormigrate/gormigrate/v2 v2.1.2
+	github.com/gofrs/uuid/v5 v5.2.0
 	github.com/google/go-cmp v0.6.0
 	github.com/gorilla/mux v1.8.1
 	github.com/grpc-ecosystem/go-grpc-middleware v1.4.0
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.1
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.20.0
 	github.com/jagottsicher/termcolor v1.0.2
-	github.com/klauspost/compress v1.17.6
-	github.com/oauth2-proxy/mockoidc v0.0.0-20220308204021-b9169deeb282
+	github.com/klauspost/compress v1.17.8
+	github.com/oauth2-proxy/mockoidc v0.0.0-20240214162133-caebfff84d25
 	github.com/ory/dockertest/v3 v3.10.0
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/philip-bui/grpc-zerolog v1.0.1
 	github.com/pkg/profile v1.7.0
 	github.com/prometheus/client_golang v1.18.0
 	github.com/prometheus/common v0.46.0
-	github.com/pterm/pterm v0.12.78
-	github.com/puzpuzpuz/xsync/v3 v3.0.2
+	github.com/pterm/pterm v0.12.79
+	github.com/puzpuzpuz/xsync/v3 v3.1.0
 	github.com/rs/zerolog v1.32.0
 	github.com/samber/lo v1.39.0
+	github.com/sasha-s/go-deadlock v0.3.1
 	github.com/spf13/cobra v1.8.0
 	github.com/spf13/viper v1.18.2
-	github.com/stretchr/testify v1.8.4
+	github.com/stretchr/testify v1.9.0
 	github.com/tailscale/hujson v0.0.0-20221223112325-20486734a56a
-	github.com/tailscale/tailsql v0.0.0-20231216172832-51483e0c711b
+	github.com/tailscale/tailsql v0.0.0-20240418235827-820559f382c1
 	github.com/tcnksm/go-latest v0.0.0-20170313132115-e3007ae9052e
 	go4.org/netipx v0.0.0-20231129151722-fdeea329fbba
-	golang.org/x/crypto v0.21.0
-	golang.org/x/exp v0.0.0-20240205201215-2c58cdc269a3
-	golang.org/x/net v0.22.0
-	golang.org/x/oauth2 v0.17.0
-	golang.org/x/sync v0.6.0
-	google.golang.org/genproto/googleapis/api v0.0.0-20240205150955-31a09d347014
-	google.golang.org/grpc v1.61.0
-	google.golang.org/protobuf v1.32.0
+	golang.org/x/crypto v0.23.0
+	golang.org/x/exp v0.0.0-20240506185415-9bf2ced13842
+	golang.org/x/net v0.25.0
+	golang.org/x/oauth2 v0.20.0
+	golang.org/x/sync v0.7.0
+	google.golang.org/genproto/googleapis/api v0.0.0-20240515191416-fc5f0ca64291
+	google.golang.org/grpc v1.64.0
+	google.golang.org/protobuf v1.34.1
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c
 	gopkg.in/yaml.v3 v3.0.1
-	gorm.io/driver/postgres v1.5.4
-	gorm.io/gorm v1.25.5
-	tailscale.com v1.58.2
+	gorm.io/driver/postgres v1.5.7
+	gorm.io/gorm v1.25.10
+	tailscale.com v1.66.3
 )
 
 require (
@@ -58,7 +59,7 @@ require (
 	dario.cat/mergo v1.0.0 // indirect
 	filippo.io/edwards25519 v1.1.0 // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 // indirect
-	github.com/Microsoft/go-winio v0.6.1 // indirect
+	github.com/Microsoft/go-winio v0.6.2 // indirect
 	github.com/Nvveen/Gotty v0.0.0-20120604004816-cd527374f1e5 // indirect
 	github.com/akutz/memconn v0.1.0 // indirect
 	github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa // indirect
@@ -77,35 +78,39 @@ require (
 	github.com/aws/aws-sdk-go-v2/service/sts v1.26.7 // indirect
 	github.com/aws/smithy-go v1.19.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
+	github.com/bits-and-blooms/bitset v1.13.0 // indirect
+	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/containerd/console v1.0.4 // indirect
 	github.com/containerd/continuity v0.4.3 // indirect
-	github.com/coreos/go-iptables v0.7.0 // indirect
-	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
+	github.com/coreos/go-iptables v0.7.1-0.20240112124308-65c67c9f46e6 // indirect
+	github.com/creachadair/mds v0.14.5 // indirect
 	github.com/dblohm7/wingoes v0.0.0-20240123200102-b75a8a7d7eb0 // indirect
 	github.com/digitalocean/go-smbios v0.0.0-20180907143718-390a4f403a8e // indirect
-	github.com/docker/cli v25.0.3+incompatible // indirect
-	github.com/docker/docker v25.0.3+incompatible // indirect
+	github.com/docker/cli v26.1.3+incompatible // indirect
+	github.com/docker/docker v26.1.3+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 v0.9.3 // indirect
+	github.com/felixge/fgprof v0.9.4 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/fxamacker/cbor/v2 v2.5.0 // indirect
+	github.com/gaissmai/bart v0.4.1 // indirect
 	github.com/glebarez/go-sqlite v1.22.0 // indirect
-	github.com/go-jose/go-jose/v3 v3.0.1 // indirect
+	github.com/go-jose/go-jose/v3 v3.0.3 // indirect
+	github.com/go-jose/go-jose/v4 v4.0.1 // indirect
+	github.com/go-json-experiment/json v0.0.0-20231102232822-2e55bd4e08b0 // indirect
 	github.com/go-ole/go-ole v1.3.0 // 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 v3.2.2+incompatible // indirect
+	github.com/golang-jwt/jwt/v5 v5.2.1 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/google/btree v1.1.2 // indirect
 	github.com/google/go-github v17.0.0+incompatible // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/google/nftables v0.1.1-0.20230115205135-9aa6fdf5a28c // indirect
-	github.com/google/pprof v0.0.0-20240207164012-fb44976bdcd5 // indirect
+	github.com/google/nftables v0.2.1-0.20240414091927-5e242ec57806 // indirect
+	github.com/google/pprof v0.0.0-20240509144519-723abb6459b7 // indirect
 	github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gookit/color v1.5.4 // indirect
@@ -119,7 +124,7 @@ require (
 	github.com/insomniacslk/dhcp v0.0.0-20240129002554-15c9b8791914 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20231201235250-de7065d80cb9 // indirect
-	github.com/jackc/pgx/v5 v5.5.3 // indirect
+	github.com/jackc/pgx/v5 v5.5.5 // indirect
 	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
@@ -144,12 +149,14 @@ require (
 	github.com/miekg/dns v1.1.58 // indirect
 	github.com/mitchellh/go-ps v1.0.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/moby/docker-image-spec v1.3.1 // indirect
 	github.com/moby/term v0.5.0 // indirect
 	github.com/ncruces/go-strftime v0.1.9 // indirect
 	github.com/opencontainers/go-digest v1.0.0 // indirect
-	github.com/opencontainers/image-spec v1.1.0-rc6 // indirect
+	github.com/opencontainers/image-spec v1.1.0 // indirect
 	github.com/opencontainers/runc v1.1.12 // indirect
-	github.com/pelletier/go-toml/v2 v2.1.1 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.2 // indirect
+	github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 // indirect
 	github.com/pierrec/lz4/v4 v4.1.21 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
@@ -166,16 +173,17 @@ require (
 	github.com/spf13/afero v1.11.0 // indirect
 	github.com/spf13/cast v1.6.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/stretchr/objx v0.5.1 // 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
 	github.com/tailscale/golang-x-crypto v0.0.0-20240108194725-7ce1f622c780 // indirect
 	github.com/tailscale/goupnp v1.0.1-0.20210804011211-c64d0f06ea05 // indirect
 	github.com/tailscale/netlink v1.1.1-0.20211101221916-cabfb018fe85 // indirect
-	github.com/tailscale/setec v0.0.0-20240102233422-ba738f8ab5a0 // indirect
-	github.com/tailscale/web-client-prebuilt v0.0.0-20240111230031-5ca22df9e6e7 // indirect
-	github.com/tailscale/wireguard-go v0.0.0-20231121184858-cc193a0b3272 // indirect
+	github.com/tailscale/peercred v0.0.0-20240214030740-b535050b2aa4 // indirect
+	github.com/tailscale/setec v0.0.0-20240314234648-9da8e7407257 // indirect
+	github.com/tailscale/squibble v0.0.0-20240418235321-9ee0eeb78185 // indirect
+	github.com/tailscale/web-client-prebuilt v0.0.0-20240226180453-5db17b287bf1 // indirect
+	github.com/tailscale/wireguard-go v0.0.0-20240429185444-03c5a0ccf754 // indirect
 	github.com/tcnksm/go-httpstat v0.2.0 // indirect
 	github.com/u-root/uio v0.0.0-20240118234441-a3c409a6018e // indirect
 	github.com/vishvananda/netlink v1.2.1-beta.2 // indirect
@@ -187,25 +195,21 @@ require (
 	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go4.org/mem v0.0.0-20220726221520-4f986261bf13 // indirect
-	golang.org/x/mod v0.16.0 // indirect
-	golang.org/x/sys v0.19.0 // indirect
-	golang.org/x/term v0.18.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/mod v0.17.0 // indirect
+	golang.org/x/sys v0.20.0 // indirect
+	golang.org/x/term v0.20.0 // indirect
+	golang.org/x/text v0.15.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
-	golang.org/x/tools v0.19.0 // indirect
+	golang.org/x/tools v0.21.0 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
 	golang.zx2c4.com/wireguard/windows v0.5.3 // indirect
-	google.golang.org/appengine v1.6.8 // indirect
-	google.golang.org/genproto v0.0.0-20240205150955-31a09d347014 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240205150955-31a09d347014 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240515191416-fc5f0ca64291 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
-	gopkg.in/square/go-jose.v2 v2.6.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
-	gvisor.dev/gvisor v0.0.0-20230928000133-4fe30062272c // indirect
-	inet.af/peercred v0.0.0-20210906144145-0893ea02156a // indirect
-	modernc.org/libc v1.49.3 // indirect
+	gvisor.dev/gvisor v0.0.0-20240306221502-ee1e1f6070e3 // indirect
+	modernc.org/libc v1.50.6 // indirect
 	modernc.org/mathutil v1.6.0 // indirect
 	modernc.org/memory v1.8.0 // indirect
-	modernc.org/sqlite v1.28.0 // indirect
+	modernc.org/sqlite v1.29.9 // indirect
 	nhooyr.io/websocket v1.8.10 // indirect
 )

go.sum

@@ -29,8 +29,8 @@ github.com/MarvinJWendt/testza v0.3.0/go.mod h1:eFcL4I0idjtIx8P9C6KkAuLgATNKpX4/
 github.com/MarvinJWendt/testza v0.4.2/go.mod h1:mSdhXiKH8sg/gQehJ63bINcCKp7RtYewEjXsvsVUPbE=
 github.com/MarvinJWendt/testza v0.5.2 h1:53KDo64C1z/h/d/stCYCPY69bt/OSwjq5KpFNwi+zB4=
 github.com/MarvinJWendt/testza v0.5.2/go.mod h1:xu53QFE5sCdjtMCKk8YMQ2MnymimEctc4n3EjyIYvEY=
-github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
-github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
+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=
@@ -83,14 +83,22 @@ github.com/aws/smithy-go v1.19.0/go.mod h1:NukqUGpCZIILqqiV0NIjeFh24kd/FAa4beRb6
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 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 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
-github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/bits-and-blooms/bitset v1.13.0 h1:bAQ9OPNFYbGHV6Nez0tmNI0RiEu7/hxlYJRUA0wFAVE=
+github.com/bits-and-blooms/bitset v1.13.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
+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/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.2.0 h1:DC2CZ1Ep5Y4k3ZQ899DldepgrayRUGE6BBZ/cd9Cj44=
 github.com/cespare/xxhash/v2 v2.2.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+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=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
+github.com/chzyer/logex v1.2.1/go.mod h1:JLbx6lG2kDbNRFnfkgvh4eRJRPX1QCoOIWomwysCBrQ=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
+github.com/chzyer/readline v1.5.1/go.mod h1:Eh+b79XXUwfKfcPLepksvw2tcLE/Ct21YObkaSkeBlk=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
+github.com/chzyer/test v1.0.0/go.mod h1:2JlltgoNkt4TW/z9V/IzDdFaMTM2JPIi26O1pF38GC8=
 github.com/cilium/ebpf v0.12.3 h1:8ht6F9MquybnY97at+VDZb3eQQr8ev79RueWeVaEcG4=
 github.com/cilium/ebpf v0.12.3/go.mod h1:TctK1ivibvI3znr66ljgi4hqOT8EYQjz1KWBfb1UVgM=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
@@ -100,17 +108,18 @@ github.com/containerd/console v1.0.4 h1:F2g4+oChYvBTsASRTz8NP6iIAi97J3TtSAsLbIFn
 github.com/containerd/console v1.0.4/go.mod h1:YynlIjWYF8myEu6sdkwKIvGQq+cOckRm6So2avqoYAk=
 github.com/containerd/continuity v0.4.3 h1:6HVkalIp+2u1ZLH1J/pYX2oBVXlJZvh1X1A7bEZ9Su8=
 github.com/containerd/continuity v0.4.3/go.mod h1:F6PTNCKepoxEaXLQp3wDAjygEnImnZ/7o4JzpodfroQ=
-github.com/coreos/go-iptables v0.7.0 h1:XWM3V+MPRr5/q51NuWSgU0fqMad64Zyxs8ZUoMsamr8=
-github.com/coreos/go-iptables v0.7.0/go.mod h1:Qe8Bv2Xik5FyTXwgIbLAnv2sWSBmvWdFETJConOQ//Q=
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@@ -121,38 +130,49 @@ github.com/deckarep/golang-set/v2 v2.6.0 h1:XfcQbWM1LlMB8BsJ8N9vW5ehnnPVIw0je80N
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@@ -160,15 +180,18 @@ github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW
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@@ -195,11 +214,12 @@ github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD
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@@ -216,10 +236,13 @@ github.com/gorilla/securecookie v1.1.2 h1:YCIWL56dvtr73r6715mJs5ZvhtnY73hBvEF8kX
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@@ -251,6 +277,7 @@ github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9Y
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@@ -260,13 +287,13 @@ github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 h1:Z9n2FFNU
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@@ -367,10 +401,10 @@ github.com/pterm/pterm v0.12.31/go.mod h1:32ZAWZVXD7ZfG0s8qqHXePte42kdz8ECtRyEej
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@@ -391,6 +425,8 @@ github.com/sagikazarmark/slog-shim v0.1.0 h1:diDBnUNK9N/354PgrxMywXnAwEr1QZcOr6g
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@@ -413,8 +449,8 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
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@@ -422,9 +458,9 @@ github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
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@@ -439,14 +475,22 @@ github.com/tailscale/hujson v0.0.0-20221223112325-20486734a56a h1:SJy1Pu0eH1C29X
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@@ -455,8 +499,8 @@ github.com/tcnksm/go-latest v0.0.0-20170313132115-e3007ae9052e h1:IWllFTiDjjLIf2
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@@ -490,20 +534,19 @@ go4.org/mem v0.0.0-20220726221520-4f986261bf13/go.mod h1:reUoABIJ9ikfM5sgtSF3Wus
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@@ -512,8 +555,8 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -523,14 +566,14 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
-golang.org/x/net v0.22.0 h1:9sGLhx7iRIHEiX0oAJ3MRZMUCElJgy7Br1nO+AMN3Tc=
-golang.org/x/net v0.22.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
+golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
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 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/oauth2 v0.17.0 h1:6m3ZPmLEFdVxKKWnKq4VqZ60gutO35zm+zrAHVmHyDQ=
-golang.org/x/oauth2 v0.17.0/go.mod h1:OzPDGQiuQMguemayvdylqddI7qcD9lnSDb+1FiwQ5HA=
+golang.org/x/oauth2 v0.20.0 h1:4mQdhULixXKP1rwYBW0vAijoXnkTG0BLCDRzfe1idMo=
+golang.org/x/oauth2 v0.20.0/go.mod h1:XYTD2NtWslqkgxebSiOHnXEap4TF09sJSc7H1sXbhtI=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -539,8 +582,8 @@ golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.6.0 h1:5BMeUDZ7vkXGfEr1x9B4bRcTH4lpkTkpdh0T/J+qjbQ=
-golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
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+golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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@@ -551,14 +594,13 @@ golang.org/x/sys v0.0.0-20200728102440-3e129f6d46b1/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210301091718-77cc2087c03b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210616094352-59db8d763f22/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211013075003-97ac67df715c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20211025201205-69cdffdb9359/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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 golang.org/x/sys v0.0.0-20220319134239-a9b59b0215f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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@@ -570,26 +612,29 @@ golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.4.1-0.20230131160137-e7d7f63158de/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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+golang.org/x/text v0.15.0 h1:h1V/4gjBv8v9cjcR6+AR5+/cIYK5N/WAgiv4xlsEtAk=
+golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
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@@ -603,8 +648,8 @@ golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roY
 golang.org/x/tools v0.0.0-20210106214847-113979e3529a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
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 golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.19.0 h1:tfGCXNR1OsFG+sVdLAitlpjAvD/I6dHDKnYrpEZUHkw=
-golang.org/x/tools v0.19.0/go.mod h1:qoJWxmGSIBmAeriMx19ogtrEPrGtDbPK634QFIcLAhc=
+golang.org/x/tools v0.21.0 h1:qc0xYgIbsSDt9EyWz05J5wfa7LOVW0YTLOXrqdLAWIw=
+golang.org/x/tools v0.21.0/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
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@@ -615,28 +660,22 @@ golang.zx2c4.com/wireguard/windows v0.5.3 h1:On6j2Rpn3OEMXqBq00QEDC7bWSZrPIHKIus
 golang.zx2c4.com/wireguard/windows v0.5.3/go.mod h1:9TEe8TJmtwyQebdFwAkEWOPr3prrtqm+REGFifP60hI=
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-google.golang.org/appengine v1.6.8 h1:IhEN5q69dyKagZPYMSdIjS2HqprW324FRQZJcGqPAsM=
-google.golang.org/appengine v1.6.8/go.mod h1:1jJ3jBArFh5pcgW8gCtRJnepW8FzD1V44FJffLiz/Ds=
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-google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.32.0 h1:pPC6BG5ex8PDFnkbrGU3EixyhKcQ2aDuBS36lqK/C7I=
-google.golang.org/protobuf v1.32.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/grpc v1.64.0 h1:KH3VH9y/MgNQg1dE7b3XfVK0GsPSIzJwdF617gUSbvY=
+google.golang.org/grpc v1.64.0/go.mod h1:oxjF8E3FBnjp+/gVFYdWacaLDx9na1aqy9oovLpxQYg=
+google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
+google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -644,8 +683,6 @@ gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntN
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/ini.v1 v1.67.0 h1:Dgnx+6+nfE+IfzjUEISNeydPJh9AXNNsWbGP9KzCsOA=
 gopkg.in/ini.v1 v1.67.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
-gopkg.in/square/go-jose.v2 v2.6.0 h1:NGk74WTnPKBNUhNzQX7PYcTLUjoq7mzKk2OKbvwk2iI=
-gopkg.in/square/go-jose.v2 v2.6.0/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -655,40 +692,32 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gorm.io/driver/postgres v1.5.4 h1:Iyrp9Meh3GmbSuyIAGyjkN+n9K+GHX9b9MqsTL4EJCo=
-gorm.io/driver/postgres v1.5.4/go.mod h1:Bgo89+h0CRcdA33Y6frlaHHVuTdOf87pmyzwW9C/BH0=
-gorm.io/gorm v1.25.5 h1:zR9lOiiYf09VNh5Q1gphfyia1JpiClIWG9hQaxB/mls=
-gorm.io/gorm v1.25.5/go.mod h1:hbnx/Oo0ChWMn1BIhpy1oYozzpM15i4YPuHDmfYtwg8=
+gorm.io/driver/postgres v1.5.7 h1:8ptbNJTDbEmhdr62uReG5BGkdQyeasu/FZHxI0IMGnM=
+gorm.io/driver/postgres v1.5.7/go.mod h1:3e019WlBaYI5o5LIdNV+LyxCMNtLOQETBXL2h4chKpA=
+gorm.io/gorm v1.25.10 h1:dQpO+33KalOA+aFYGlK+EfxcI5MbO7EP2yYygwh9h+s=
+gorm.io/gorm v1.25.10/go.mod h1:hbnx/Oo0ChWMn1BIhpy1oYozzpM15i4YPuHDmfYtwg8=
 gotest.tools/v3 v3.4.0 h1:ZazjZUfuVeZGLAmlKKuyv3IKP5orXcwtOwDQH6YVr6o=
 gotest.tools/v3 v3.4.0/go.mod h1:CtbdzLSsqVhDgMtKsx03ird5YTGB3ar27v0u/yKBW5g=
-gvisor.dev/gvisor v0.0.0-20230928000133-4fe30062272c h1:bYb98Ra11fJ8F2xFbZx0zg2VQ28lYqC1JxfaaF53xqY=
-gvisor.dev/gvisor v0.0.0-20230928000133-4fe30062272c/go.mod h1:AVgIgHMwK63XvmAzWG9vLQ41YnVHN0du0tEC46fI7yY=
+gvisor.dev/gvisor v0.0.0-20240306221502-ee1e1f6070e3 h1:/8/t5pz/mgdRXhYOIeqqYhFAQLE4DDGegc0Y4ZjyFJM=
+gvisor.dev/gvisor v0.0.0-20240306221502-ee1e1f6070e3/go.mod h1:NQHVAzMwvZ+Qe3ElSiHmq9RUm1MdNHpUZ52fiEqvn+0=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.4.6 h1:oFEHCKeID7to/3autwsWfnuv69j3NsfcXbvJKuIcep8=
-honnef.co/go/tools v0.4.6/go.mod h1:+rnGS1THNh8zMwnd2oVOTL9QF6vmfyG6ZXBULae2uc0=
+honnef.co/go/tools v0.4.7 h1:9MDAWxMoSnB6QoSqiVr7P5mtkT9pOc1kSxchzPCnqJs=
+honnef.co/go/tools v0.4.7/go.mod h1:+rnGS1THNh8zMwnd2oVOTL9QF6vmfyG6ZXBULae2uc0=
 howett.net/plist v1.0.0 h1:7CrbWYbPPO/PyNy38b2EB/+gYbjCe2DXBxgtOOZbSQM=
 howett.net/plist v1.0.0/go.mod h1:lqaXoTrLY4hg8tnEzNru53gicrbv7rrk+2xJA/7hw9g=
-inet.af/peercred v0.0.0-20210906144145-0893ea02156a h1:qdkS8Q5/i10xU2ArJMKYhVa1DORzBfYS/qA2UK2jheg=
-inet.af/peercred v0.0.0-20210906144145-0893ea02156a/go.mod h1:FjawnflS/udxX+SvpsMgZfdqx2aykOlkISeAsADi5IU=
-inet.af/wf v0.0.0-20221017222439-36129f591884 h1:zg9snq3Cpy50lWuVqDYM7AIRVTtU50y5WXETMFohW/Q=
-inet.af/wf v0.0.0-20221017222439-36129f591884/go.mod h1:bSAQ38BYbY68uwpasXOTZo22dKGy9SNvI6PZFeKomZE=
-lukechampine.com/uint128 v1.3.0 h1:cDdUVfRwDUDovz610ABgFD17nXD4/uDgVHl2sC3+sbo=
-lukechampine.com/uint128 v1.3.0/go.mod h1:c4eWIwlEGaxC/+H1VguhU4PHXNWDCDMUlWdIWl2j1gk=
-modernc.org/cc/v3 v3.41.0 h1:QoR1Sn3YWlmA1T4vLaKZfawdVtSiGx8H+cEojbC7v1Q=
-modernc.org/cc/v3 v3.41.0/go.mod h1:Ni4zjJYJ04CDOhG7dn640WGfwBzfE0ecX8TyMB0Fv0Y=
-modernc.org/cc/v4 v4.20.0 h1:45Or8mQfbUqJOG9WaxvlFYOAQO0lQ5RvqBcFCXngjxk=
-modernc.org/cc/v4 v4.20.0/go.mod h1:HM7VJTZbUCR3rV8EYBi9wxnJ0ZBRiGE5OeGXNA0IsLQ=
-modernc.org/ccgo/v3 v3.17.0 h1:o3OmOqx4/OFnl4Vm3G8Bgmqxnvxnh0nbxeT5p/dWChA=
-modernc.org/ccgo/v3 v3.17.0/go.mod h1:Sg3fwVpmLvCUTaqEUjiBDAvshIaKDB0RXaf+zgqFu8I=
-modernc.org/ccgo/v4 v4.16.0 h1:ofwORa6vx2FMm0916/CkZjpFPSR70VwTjUCe2Eg5BnA=
-modernc.org/ccgo/v4 v4.16.0/go.mod h1:dkNyWIjFrVIZ68DTo36vHK+6/ShBn4ysU61So6PIqCI=
+modernc.org/cc/v4 v4.21.2 h1:dycHFB/jDc3IyacKipCNSDrjIC0Lm1hyoWOZTRR20Lk=
+modernc.org/cc/v4 v4.21.2/go.mod h1:HM7VJTZbUCR3rV8EYBi9wxnJ0ZBRiGE5OeGXNA0IsLQ=
+modernc.org/ccgo/v4 v4.17.7 h1:+MG+Np7uYtsuPvtoH3KtZ1+pqNiJAOqqqVIxggE1iIo=
+modernc.org/ccgo/v4 v4.17.7/go.mod h1:x87xuLLXuJv3Nn5ULTUqJn/HsTMMMiT1Eavo6rz1NiY=
 modernc.org/fileutil v1.3.0 h1:gQ5SIzK3H9kdfai/5x41oQiKValumqNTDXMvKo62HvE=
 modernc.org/fileutil v1.3.0/go.mod h1:XatxS8fZi3pS8/hKG2GH/ArUogfxjpEKs3Ku3aK4JyQ=
 modernc.org/gc/v2 v2.4.1 h1:9cNzOqPyMJBvrUipmynX0ZohMhcxPtMccYgGOJdOiBw=
 modernc.org/gc/v2 v2.4.1/go.mod h1:wzN5dK1AzVGoH6XOzc3YZ+ey/jPgYHLuVckd62P0GYU=
-modernc.org/libc v1.49.3 h1:j2MRCRdwJI2ls/sGbeSk0t2bypOG/uvPZUsGQFDulqg=
-modernc.org/libc v1.49.3/go.mod h1:yMZuGkn7pXbKfoT/M35gFJOAEdSKdxL0q64sF7KqCDo=
+modernc.org/gc/v3 v3.0.0-20240107210532-573471604cb6 h1:5D53IMaUuA5InSeMu9eJtlQXS2NxAhyWQvkKEgXZhHI=
+modernc.org/gc/v3 v3.0.0-20240107210532-573471604cb6/go.mod h1:Qz0X07sNOR1jWYCrJMEnbW/X55x206Q7Vt4mz6/wHp4=
+modernc.org/libc v1.50.6 h1:72NPEFMyKP01RJrKXS2eLXv35UklKqlJZ1b9P7gSo6I=
+modernc.org/libc v1.50.6/go.mod h1:8lr2m1THY5Z3ikGyUc3JhLEQg1oaIBz/AQixw8/eksQ=
 modernc.org/mathutil v1.6.0 h1:fRe9+AmYlaej+64JsEEhoWuAYBkOtQiMEU7n/XgfYi4=
 modernc.org/mathutil v1.6.0/go.mod h1:Ui5Q9q1TR2gFm0AQRqQUaBWFLAhQpCwNcuhBOSedWPo=
 modernc.org/memory v1.8.0 h1:IqGTL6eFMaDZZhEWwcREgeMXYwmW83LYW8cROZYkg+E=
@@ -697,15 +726,15 @@ modernc.org/opt v0.1.3 h1:3XOZf2yznlhC+ibLltsDGzABUGVx8J6pnFMS3E4dcq4=
 modernc.org/opt v0.1.3/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0=
 modernc.org/sortutil v1.2.0 h1:jQiD3PfS2REGJNzNCMMaLSp/wdMNieTbKX920Cqdgqc=
 modernc.org/sortutil v1.2.0/go.mod h1:TKU2s7kJMf1AE84OoiGppNHJwvB753OYfNl2WRb++Ss=
-modernc.org/sqlite v1.28.0 h1:Zx+LyDDmXczNnEQdvPuEfcFVA2ZPyaD7UCZDjef3BHQ=
-modernc.org/sqlite v1.28.0/go.mod h1:Qxpazz0zH8Z1xCFyi5GSL3FzbtZ3fvbjmywNogldEW0=
+modernc.org/sqlite v1.29.9 h1:9RhNMklxJs+1596GNuAX+O/6040bvOwacTxuFcRuQow=
+modernc.org/sqlite v1.29.9/go.mod h1:ItX2a1OVGgNsFh6Dv60JQvGfJfTPHPVpV6DF59akYOA=
 modernc.org/strutil v1.2.0 h1:agBi9dp1I+eOnxXeiZawM8F4LawKv4NzGWSaLfyeNZA=
 modernc.org/strutil v1.2.0/go.mod h1:/mdcBmfOibveCTBxUl5B5l6W+TTH1FXPLHZE6bTosX0=
 modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
 modernc.org/token v1.1.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
 nhooyr.io/websocket v1.8.10 h1:mv4p+MnGrLDcPlBoWsvPP7XCzTYMXP9F9eIGoKbgx7Q=
 nhooyr.io/websocket v1.8.10/go.mod h1:rN9OFWIUwuxg4fR5tELlYC04bXYowCP9GX47ivo2l+c=
-software.sslmate.com/src/go-pkcs12 v0.2.1 h1:tbT1jjaeFOF230tzOIRJ6U5S1jNqpsSyNjzDd58H3J8=
-software.sslmate.com/src/go-pkcs12 v0.2.1/go.mod h1:Qiz0EyvDRJjjxGyUQa2cCNZn/wMyzrRJ/qcDXOQazLI=
-tailscale.com v1.58.2 h1:5trkhh/fpUn7f6TUcGUQYJ0GokdNNfNrjh9ONJhoc5A=
-tailscale.com v1.58.2/go.mod h1:faWR8XaXemnSKCDjHC7SAQzaagkUjA5x4jlLWiwxtuk=
+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 v1.66.3 h1:jpWat+hiobTtCosSV/c8D6S/ubgROf/S59MaIBdM9pY=
+tailscale.com v1.66.3/go.mod h1:99BIV4U3UPw36Sva04xK2ZsEpVRUkY9jCdEDSAhaNGM=

hscontrol/app.go

@@ -8,7 +8,7 @@ import (
 	"io"
 	"net"
 	"net/http"
-	_ "net/http/pprof" //nolint
+	_ "net/http/pprof" // nolint
 	"os"
 	"os/signal"
 	"path/filepath"
@@ -19,6 +19,7 @@ import (
 	"time"
 
 	"github.com/coreos/go-oidc/v3/oidc"
+	"github.com/davecgh/go-spew/spew"
 	"github.com/gorilla/mux"
 	grpcMiddleware "github.com/grpc-ecosystem/go-grpc-middleware"
 	grpcRuntime "github.com/grpc-ecosystem/grpc-gateway/v2/runtime"
@@ -70,7 +71,7 @@ var (
 
 const (
 	AuthPrefix         = "Bearer "
-	updateInterval     = 5000
+	updateInterval     = 5 * time.Second
 	privateKeyFileMode = 0o600
 	headscaleDirPerm   = 0o700
 
@@ -78,17 +79,13 @@ const (
 	registerCacheCleanup    = time.Minute * 20
 )
 
-// func init() {
-// 	deadlock.Opts.DeadlockTimeout = 15 * time.Second
-// 	deadlock.Opts.PrintAllCurrentGoroutines = true
-// }
-
 // Headscale represents the base app of the service.
 type Headscale struct {
 	cfg             *types.Config
 	db              *db.HSDatabase
 	ipAlloc         *db.IPAllocator
 	noisePrivateKey *key.MachinePrivate
+	ephemeralGC     *db.EphemeralGarbageCollector
 
 	DERPMap    *tailcfg.DERPMap
 	DERPServer *derpServer.DERPServer
@@ -104,16 +101,15 @@ type Headscale struct {
 	registrationCache *cache.Cache
 
 	pollNetMapStreamWG sync.WaitGroup
-
-	mapSessions  map[types.NodeID]*mapSession
-	mapSessionMu sync.Mutex
 }
 
 var (
-	profilingEnabled = envknob.Bool("HEADSCALE_PROFILING_ENABLED")
+	profilingEnabled = envknob.Bool("HEADSCALE_DEBUG_PROFILING_ENABLED")
+	profilingPath    = envknob.String("HEADSCALE_DEBUG_PROFILING_PATH")
 	tailsqlEnabled   = envknob.Bool("HEADSCALE_DEBUG_TAILSQL_ENABLED")
 	tailsqlStateDir  = envknob.String("HEADSCALE_DEBUG_TAILSQL_STATE_DIR")
 	tailsqlTSKey     = envknob.String("TS_AUTHKEY")
+	dumpConfig       = envknob.Bool("HEADSCALE_DEBUG_DUMP_CONFIG")
 )
 
 func NewHeadscale(cfg *types.Config) (*Headscale, error) {
@@ -138,7 +134,6 @@ func NewHeadscale(cfg *types.Config) (*Headscale, error) {
 		registrationCache:  registrationCache,
 		pollNetMapStreamWG: sync.WaitGroup{},
 		nodeNotifier:       notifier.NewNotifier(cfg),
-		mapSessions:        make(map[types.NodeID]*mapSession),
 	}
 
 	app.db, err = db.NewHeadscaleDatabase(
@@ -153,6 +148,12 @@ func NewHeadscale(cfg *types.Config) (*Headscale, error) {
 		return nil, err
 	}
 
+	app.ephemeralGC = db.NewEphemeralGarbageCollector(func(ni types.NodeID) {
+		if err := app.db.DeleteEphemeralNode(ni); err != nil {
+			log.Err(err).Uint64("node.id", ni.Uint64()).Msgf("failed to delete ephemeral node")
+		}
+	})
+
 	if cfg.OIDC.Issuer != "" {
 		err = app.initOIDC()
 		if err != nil {
@@ -217,66 +218,36 @@ func (h *Headscale) redirect(w http.ResponseWriter, req *http.Request) {
 	http.Redirect(w, req, target, http.StatusFound)
 }
 
-// deleteExpireEphemeralNodes deletes ephemeral node records that have not been
-// seen for longer than h.cfg.EphemeralNodeInactivityTimeout.
-func (h *Headscale) deleteExpireEphemeralNodes(milliSeconds int64) {
-	ticker := time.NewTicker(time.Duration(milliSeconds) * time.Millisecond)
-
-	for range ticker.C {
-		var removed []types.NodeID
-		var changed []types.NodeID
-		if err := h.db.Write(func(tx *gorm.DB) error {
-			removed, changed = db.DeleteExpiredEphemeralNodes(tx, h.cfg.EphemeralNodeInactivityTimeout)
-
-			return nil
-		}); err != nil {
-			log.Error().Err(err).Msg("database error while expiring ephemeral nodes")
-			continue
-		}
-
-		if removed != nil {
-			ctx := types.NotifyCtx(context.Background(), "expire-ephemeral", "na")
-			h.nodeNotifier.NotifyAll(ctx, types.StateUpdate{
-				Type:    types.StatePeerRemoved,
-				Removed: removed,
-			})
-		}
-
-		if changed != nil {
-			ctx := types.NotifyCtx(context.Background(), "expire-ephemeral", "na")
-			h.nodeNotifier.NotifyAll(ctx, types.StateUpdate{
-				Type:        types.StatePeerChanged,
-				ChangeNodes: changed,
-			})
-		}
-	}
-}
-
-// expireExpiredMachines expires nodes that have an explicit expiry set
+// expireExpiredNodes expires nodes that have an explicit expiry set
 // after that expiry time has passed.
-func (h *Headscale) expireExpiredMachines(intervalMs int64) {
-	interval := time.Duration(intervalMs) * time.Millisecond
-	ticker := time.NewTicker(interval)
+func (h *Headscale) expireExpiredNodes(ctx context.Context, every time.Duration) {
+	ticker := time.NewTicker(every)
 
 	lastCheck := time.Unix(0, 0)
 	var update types.StateUpdate
 	var changed bool
 
-	for range ticker.C {
-		if err := h.db.Write(func(tx *gorm.DB) error {
-			lastCheck, update, changed = db.ExpireExpiredNodes(tx, lastCheck)
+	for {
+		select {
+		case <-ctx.Done():
+			ticker.Stop()
+			return
+		case <-ticker.C:
+			if err := h.db.Write(func(tx *gorm.DB) error {
+				lastCheck, update, changed = db.ExpireExpiredNodes(tx, lastCheck)
 
-			return nil
-		}); err != nil {
-			log.Error().Err(err).Msg("database error while expiring nodes")
-			continue
-		}
+				return nil
+			}); err != nil {
+				log.Error().Err(err).Msg("database error while expiring nodes")
+				continue
+			}
 
-		if changed {
-			log.Trace().Interface("nodes", update.ChangePatches).Msgf("expiring nodes")
+			if changed {
+				log.Trace().Interface("nodes", update.ChangePatches).Msgf("expiring nodes")
 
-			ctx := types.NotifyCtx(context.Background(), "expire-expired", "na")
-			h.nodeNotifier.NotifyAll(ctx, update)
+				ctx := types.NotifyCtx(context.Background(), "expire-expired", "na")
+				h.nodeNotifier.NotifyAll(ctx, update)
+			}
 		}
 	}
 }
@@ -319,7 +290,7 @@ func (h *Headscale) grpcAuthenticationInterceptor(ctx context.Context,
 	// 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
-	// It is also neede for grpc-gateway to be able to connect to
+	// It is also needed for grpc-gateway to be able to connect to
 	// the server
 	client, _ := peer.FromContext(ctx)
 
@@ -491,14 +462,14 @@ func (h *Headscale) createRouter(grpcMux *grpcRuntime.ServeMux) *mux.Router {
 
 // Serve launches the HTTP and gRPC server service Headscale and the API.
 func (h *Headscale) Serve() error {
-	if _, enableProfile := os.LookupEnv("HEADSCALE_PROFILING_ENABLED"); enableProfile {
-		if profilePath, ok := os.LookupEnv("HEADSCALE_PROFILING_PATH"); ok {
-			err := os.MkdirAll(profilePath, os.ModePerm)
+	if profilingEnabled {
+		if profilingPath != "" {
+			err := os.MkdirAll(profilingPath, os.ModePerm)
 			if err != nil {
 				log.Fatal().Err(err).Msg("failed to create profiling directory")
 			}
 
-			defer profile.Start(profile.ProfilePath(profilePath)).Stop()
+			defer profile.Start(profile.ProfilePath(profilingPath)).Stop()
 		} else {
 			defer profile.Start().Stop()
 		}
@@ -506,6 +477,14 @@ func (h *Headscale) Serve() error {
 
 	var err error
 
+	if err = h.loadACLPolicy(); err != nil {
+		return fmt.Errorf("failed to load ACL policy: %w", err)
+	}
+
+	if dumpConfig {
+		spew.Dump(h.cfg)
+	}
+
 	// Fetch an initial DERP Map before we start serving
 	h.DERPMap = derp.GetDERPMap(h.cfg.DERP)
 	h.mapper = mapper.NewMapper(h.db, h.cfg, h.DERPMap, h.nodeNotifier)
@@ -538,10 +517,22 @@ func (h *Headscale) Serve() error {
 		return errEmptyInitialDERPMap
 	}
 
-	// TODO(kradalby): These should have cancel channels and be cleaned
-	// up on shutdown.
-	go h.deleteExpireEphemeralNodes(updateInterval)
-	go h.expireExpiredMachines(updateInterval)
+	// 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, err := h.db.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)
+	}
+
+	expireNodeCtx, expireNodeCancel := context.WithCancel(context.Background())
+	defer expireNodeCancel()
+	go h.expireExpiredNodes(expireNodeCtx, updateInterval)
 
 	if zl.GlobalLevel() == zl.TraceLevel {
 		zerolog.RespLog = true
@@ -688,7 +679,7 @@ func (h *Headscale) Serve() error {
 		Handler:     router,
 		ReadTimeout: types.HTTPTimeout,
 
-		// Long polling should not have any timeout, this is overriden
+		// Long polling should not have any timeout, this is overridden
 		// further down the chain
 		WriteTimeout: types.HTTPTimeout,
 	}
@@ -715,19 +706,6 @@ func (h *Headscale) Serve() error {
 		w.WriteHeader(http.StatusOK)
 		w.Write([]byte(h.nodeNotifier.String()))
 	})
-	debugMux.HandleFunc("/debug/mapresp", func(w http.ResponseWriter, r *http.Request) {
-		h.mapSessionMu.Lock()
-		defer h.mapSessionMu.Unlock()
-
-		var b strings.Builder
-		b.WriteString("mapresponders:\n")
-		for k, v := range h.mapSessions {
-			fmt.Fprintf(&b, "\t%d: %p\n", k, v)
-		}
-
-		w.WriteHeader(http.StatusOK)
-		w.Write([]byte(b.String()))
-	})
 	debugMux.Handle("/metrics", promhttp.Handler())
 
 	debugHTTPServer := &http.Server{
@@ -780,17 +758,12 @@ func (h *Headscale) Serve() error {
 					Msg("Received SIGHUP, reloading ACL and Config")
 
 				// TODO(kradalby): Reload config on SIGHUP
+				if err := h.loadACLPolicy(); err != nil {
+					log.Error().Err(err).Msg("failed to reload ACL policy")
+				}
 
-				if h.cfg.ACL.PolicyPath != "" {
-					aclPath := util.AbsolutePathFromConfigPath(h.cfg.ACL.PolicyPath)
-					pol, err := policy.LoadACLPolicyFromPath(aclPath)
-					if err != nil {
-						log.Error().Err(err).Msg("Failed to reload ACL policy")
-					}
-
-					h.ACLPolicy = pol
+				if h.ACLPolicy != nil {
 					log.Info().
-						Str("path", aclPath).
 						Msg("ACL policy successfully reloaded, notifying nodes of change")
 
 					ctx := types.NotifyCtx(context.Background(), "acl-sighup", "na")
@@ -798,12 +771,16 @@ func (h *Headscale) Serve() error {
 						Type: types.StateFullUpdate,
 					})
 				}
-
 			default:
+				trace := log.Trace().Msgf
 				log.Info().
 					Str("signal", sig.String()).
 					Msg("Received signal to stop, shutting down gracefully")
 
+				expireNodeCancel()
+				h.ephemeralGC.Close()
+
+				trace("waiting for netmap stream to close")
 				h.pollNetMapStreamWG.Wait()
 
 				// Gracefully shut down servers
@@ -811,32 +788,44 @@ func (h *Headscale) Serve() error {
 					context.Background(),
 					types.HTTPShutdownTimeout,
 				)
+				trace("shutting down debug http server")
 				if err := debugHTTPServer.Shutdown(ctx); err != nil {
 					log.Error().Err(err).Msg("Failed to shutdown prometheus http")
 				}
+				trace("shutting down main http server")
 				if err := httpServer.Shutdown(ctx); err != nil {
 					log.Error().Err(err).Msg("Failed to shutdown http")
 				}
+
+				trace("shutting down grpc server (socket)")
 				grpcSocket.GracefulStop()
 
 				if grpcServer != nil {
+					trace("shutting down grpc server (external)")
 					grpcServer.GracefulStop()
 					grpcListener.Close()
 				}
 
 				if tailsqlContext != nil {
+					trace("shutting down tailsql")
 					tailsqlContext.Done()
 				}
 
+				trace("closing node notifier")
+				h.nodeNotifier.Close()
+
 				// Close network listeners
+				trace("closing network listeners")
 				debugHTTPListener.Close()
 				httpListener.Close()
 				grpcGatewayConn.Close()
 
 				// Stop listening (and unlink the socket if unix type):
+				trace("closing socket listener")
 				socketListener.Close()
 
 				// Close db connections
+				trace("closing database connection")
 				err = h.db.Close()
 				if err != nil {
 					log.Error().Err(err).Msg("Failed to close db")
@@ -991,3 +980,48 @@ func readOrCreatePrivateKey(path string) (*key.MachinePrivate, error) {
 
 	return &machineKey, nil
 }
+
+func (h *Headscale) loadACLPolicy() error {
+	var (
+		pol *policy.ACLPolicy
+		err error
+	)
+
+	switch h.cfg.Policy.Mode {
+	case types.PolicyModeFile:
+		path := h.cfg.Policy.Path
+
+		// It is fine to start headscale without a policy file.
+		if len(path) == 0 {
+			return nil
+		}
+
+		absPath := util.AbsolutePathFromConfigPath(path)
+		pol, err = policy.LoadACLPolicyFromPath(absPath)
+		if err != nil {
+			return fmt.Errorf("failed to load ACL policy from file: %w", err)
+		}
+	case types.PolicyModeDB:
+		p, err := h.db.GetPolicy()
+		if err != nil {
+			if errors.Is(err, types.ErrPolicyNotFound) {
+				return nil
+			}
+
+			return fmt.Errorf("failed to get policy from database: %w", err)
+		}
+
+		pol, err = policy.LoadACLPolicyFromBytes([]byte(p.Data))
+		if err != nil {
+			return fmt.Errorf("failed to parse policy: %w", err)
+		}
+	default:
+		log.Fatal().
+			Str("mode", string(h.cfg.Policy.Mode)).
+			Msg("Unknown ACL policy mode")
+	}
+
+	h.ACLPolicy = pol
+
+	return nil
+}

hscontrol/auth.go

@@ -16,6 +16,7 @@ import (
 	"gorm.io/gorm"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/key"
+	"tailscale.com/types/ptr"
 )
 
 func logAuthFunc(
@@ -62,18 +63,18 @@ func logAuthFunc(
 func (h *Headscale) handleRegister(
 	writer http.ResponseWriter,
 	req *http.Request,
-	registerRequest tailcfg.RegisterRequest,
+	regReq tailcfg.RegisterRequest,
 	machineKey key.MachinePublic,
 ) {
-	logInfo, logTrace, logErr := logAuthFunc(registerRequest, machineKey)
+	logInfo, logTrace, logErr := logAuthFunc(regReq, machineKey)
 	now := time.Now().UTC()
 	logTrace("handleRegister called, looking up machine in DB")
-	node, err := h.db.GetNodeByAnyKey(machineKey, registerRequest.NodeKey, registerRequest.OldNodeKey)
+	node, err := h.db.GetNodeByAnyKey(machineKey, regReq.NodeKey, regReq.OldNodeKey)
 	logTrace("handleRegister database lookup has returned")
 	if errors.Is(err, gorm.ErrRecordNotFound) {
 		// If the node has AuthKey set, handle registration via PreAuthKeys
-		if registerRequest.Auth.AuthKey != "" {
-			h.handleAuthKey(writer, registerRequest, machineKey)
+		if regReq.Auth != nil && regReq.Auth.AuthKey != "" {
+			h.handleAuthKey(writer, regReq, machineKey)
 
 			return
 		}
@@ -86,7 +87,7 @@ func (h *Headscale) handleRegister(
 		// This is not implemented yet, as it is no strictly required. The only side-effect
 		// is that the client will hammer headscale with requests until it gets a
 		// successful RegisterResponse.
-		if registerRequest.Followup != "" {
+		if regReq.Followup != "" {
 			logTrace("register request is a followup")
 			if _, ok := h.registrationCache.Get(machineKey.String()); ok {
 				logTrace("Node is waiting for interactive login")
@@ -95,7 +96,7 @@ func (h *Headscale) handleRegister(
 				case <-req.Context().Done():
 					return
 				case <-time.After(registrationHoldoff):
-					h.handleNewNode(writer, registerRequest, machineKey)
+					h.handleNewNode(writer, regReq, machineKey)
 
 					return
 				}
@@ -106,7 +107,7 @@ func (h *Headscale) handleRegister(
 
 		givenName, err := h.db.GenerateGivenName(
 			machineKey,
-			registerRequest.Hostinfo.Hostname,
+			regReq.Hostinfo.Hostname,
 		)
 		if err != nil {
 			logErr(err, "Failed to generate given name for node")
@@ -120,16 +121,16 @@ func (h *Headscale) handleRegister(
 		// happens
 		newNode := types.Node{
 			MachineKey: machineKey,
-			Hostname:   registerRequest.Hostinfo.Hostname,
+			Hostname:   regReq.Hostinfo.Hostname,
 			GivenName:  givenName,
-			NodeKey:    registerRequest.NodeKey,
+			NodeKey:    regReq.NodeKey,
 			LastSeen:   &now,
 			Expiry:     &time.Time{},
 		}
 
-		if !registerRequest.Expiry.IsZero() {
+		if !regReq.Expiry.IsZero() {
 			logTrace("Non-zero expiry time requested")
-			newNode.Expiry = &registerRequest.Expiry
+			newNode.Expiry = &regReq.Expiry
 		}
 
 		h.registrationCache.Set(
@@ -138,7 +139,7 @@ func (h *Headscale) handleRegister(
 			registerCacheExpiration,
 		)
 
-		h.handleNewNode(writer, registerRequest, machineKey)
+		h.handleNewNode(writer, regReq, machineKey)
 
 		return
 	}
@@ -169,11 +170,11 @@ func (h *Headscale) handleRegister(
 		// - Trying to log out (sending a expiry in the past)
 		// - A valid, registered node, looking for /map
 		// - Expired node wanting to reauthenticate
-		if node.NodeKey.String() == registerRequest.NodeKey.String() {
+		if node.NodeKey.String() == regReq.NodeKey.String() {
 			// The client sends an Expiry in the past if the client is requesting to expire the key (aka logout)
 			//   https://github.com/tailscale/tailscale/blob/main/tailcfg/tailcfg.go#L648
-			if !registerRequest.Expiry.IsZero() &&
-				registerRequest.Expiry.UTC().Before(now) {
+			if !regReq.Expiry.IsZero() &&
+				regReq.Expiry.UTC().Before(now) {
 				h.handleNodeLogOut(writer, *node, machineKey)
 
 				return
@@ -189,11 +190,11 @@ func (h *Headscale) handleRegister(
 		}
 
 		// The NodeKey we have matches OldNodeKey, which means this is a refresh after a key expiration
-		if node.NodeKey.String() == registerRequest.OldNodeKey.String() &&
+		if node.NodeKey.String() == regReq.OldNodeKey.String() &&
 			!node.IsExpired() {
 			h.handleNodeKeyRefresh(
 				writer,
-				registerRequest,
+				regReq,
 				*node,
 				machineKey,
 			)
@@ -202,11 +203,11 @@ func (h *Headscale) handleRegister(
 		}
 
 		// When logged out and reauthenticating with OIDC, the OldNodeKey is not passed, but the NodeKey has changed
-		if node.NodeKey.String() != registerRequest.NodeKey.String() &&
-			registerRequest.OldNodeKey.IsZero() && !node.IsExpired() {
+		if node.NodeKey.String() != regReq.NodeKey.String() &&
+			regReq.OldNodeKey.IsZero() && !node.IsExpired() {
 			h.handleNodeKeyRefresh(
 				writer,
-				registerRequest,
+				regReq,
 				*node,
 				machineKey,
 			)
@@ -214,7 +215,7 @@ func (h *Headscale) handleRegister(
 			return
 		}
 
-		if registerRequest.Followup != "" {
+		if regReq.Followup != "" {
 			select {
 			case <-req.Context().Done():
 				return
@@ -223,7 +224,7 @@ func (h *Headscale) handleRegister(
 		}
 
 		// The node has expired or it is logged out
-		h.handleNodeExpiredOrLoggedOut(writer, registerRequest, *node, machineKey)
+		h.handleNodeExpiredOrLoggedOut(writer, regReq, *node, machineKey)
 
 		// TODO(juan): RegisterRequest includes an Expiry time, that we could optionally use
 		node.Expiry = &time.Time{}
@@ -232,7 +233,7 @@ func (h *Headscale) handleRegister(
 		// we need to make sure the NodeKey matches the one in the request
 		// TODO(juan): What happens when using fast user switching between two
 		// headscale-managed tailnets?
-		node.NodeKey = registerRequest.NodeKey
+		node.NodeKey = regReq.NodeKey
 		h.registrationCache.Set(
 			machineKey.String(),
 			*node,
@@ -314,14 +315,20 @@ func (h *Headscale) handleAuthKey(
 			Msg("node was already registered before, refreshing with new auth key")
 
 		node.NodeKey = nodeKey
-		node.AuthKeyID = uint(pak.ID)
-		err := h.db.NodeSetExpiry(node.ID, registerRequest.Expiry)
+		if pak.ID != 0 {
+			node.AuthKeyID = ptr.To(pak.ID)
+		}
+
+		node.Expiry = &registerRequest.Expiry
+		node.User = pak.User
+		node.UserID = pak.UserID
+		err := h.db.DB.Save(node).Error
 		if err != nil {
 			log.Error().
 				Caller().
 				Str("node", node.Hostname).
 				Err(err).
-				Msg("Failed to refresh node")
+				Msg("failed to save node after logging in with auth key")
 
 			return
 		}
@@ -330,7 +337,6 @@ func (h *Headscale) handleAuthKey(
 		if len(aclTags) > 0 {
 			// This conditional preserves the existing behaviour, although SaaS would reset the tags on auth-key login
 			err = h.db.SetTags(node.ID, aclTags)
-
 			if err != nil {
 				log.Error().
 					Caller().
@@ -344,7 +350,7 @@ func (h *Headscale) handleAuthKey(
 		}
 
 		ctx := types.NotifyCtx(context.Background(), "handle-authkey", "na")
-		h.nodeNotifier.NotifyWithIgnore(ctx, types.StateUpdateExpire(node.ID, registerRequest.Expiry), node.ID)
+		h.nodeNotifier.NotifyAll(ctx, types.StateUpdate{Type: types.StatePeerChanged, ChangeNodes: []types.NodeID{node.ID}})
 	} else {
 		now := time.Now().UTC()
 
@@ -370,7 +376,6 @@ func (h *Headscale) handleAuthKey(
 			Expiry:         &registerRequest.Expiry,
 			NodeKey:        nodeKey,
 			LastSeen:       &now,
-			AuthKeyID:      uint(pak.ID),
 			ForcedTags:     pak.Proto().GetAclTags(),
 		}
 
@@ -386,6 +391,10 @@ func (h *Headscale) handleAuthKey(
 			return
 		}
 
+		pakID := uint(pak.ID)
+		if pakID != 0 {
+			nodeToRegister.AuthKeyID = ptr.To(pak.ID)
+		}
 		node, err = h.db.RegisterNode(
 			nodeToRegister,
 			ipv4, ipv6,
@@ -679,14 +688,14 @@ func (h *Headscale) handleNodeKeyRefresh(
 
 func (h *Headscale) handleNodeExpiredOrLoggedOut(
 	writer http.ResponseWriter,
-	registerRequest tailcfg.RegisterRequest,
+	regReq tailcfg.RegisterRequest,
 	node types.Node,
 	machineKey key.MachinePublic,
 ) {
 	resp := tailcfg.RegisterResponse{}
 
-	if registerRequest.Auth.AuthKey != "" {
-		h.handleAuthKey(writer, registerRequest, machineKey)
+	if regReq.Auth != nil && regReq.Auth.AuthKey != "" {
+		h.handleAuthKey(writer, regReq, machineKey)
 
 		return
 	}
@@ -696,8 +705,8 @@ func (h *Headscale) handleNodeExpiredOrLoggedOut(
 		Caller().
 		Str("node", node.Hostname).
 		Str("machine_key", machineKey.ShortString()).
-		Str("node_key", registerRequest.NodeKey.ShortString()).
-		Str("node_key_old", registerRequest.OldNodeKey.ShortString()).
+		Str("node_key", regReq.NodeKey.ShortString()).
+		Str("node_key_old", regReq.OldNodeKey.ShortString()).
 		Msg("Node registration has expired or logged out. Sending a auth url to register")
 
 	if h.oauth2Config != nil {
@@ -734,8 +743,8 @@ func (h *Headscale) handleNodeExpiredOrLoggedOut(
 	log.Trace().
 		Caller().
 		Str("machine_key", machineKey.ShortString()).
-		Str("node_key", registerRequest.NodeKey.ShortString()).
-		Str("node_key_old", registerRequest.OldNodeKey.ShortString()).
+		Str("node_key", regReq.NodeKey.ShortString()).
+		Str("node_key_old", regReq.OldNodeKey.ShortString()).
 		Str("node", node.Hostname).
 		Msg("Node logged out. Sent AuthURL for reauthentication")
 }

hscontrol/db/db.go

@@ -13,13 +13,12 @@ import (
 
 	"github.com/glebarez/sqlite"
 	"github.com/go-gormigrate/gormigrate/v2"
+	"github.com/juanfont/headscale/hscontrol/types"
+	"github.com/juanfont/headscale/hscontrol/util"
 	"github.com/rs/zerolog/log"
 	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
 	"gorm.io/gorm/logger"
-
-	"github.com/juanfont/headscale/hscontrol/types"
-	"github.com/juanfont/headscale/hscontrol/util"
 )
 
 var errDatabaseNotSupported = errors.New("database type not supported")
@@ -91,6 +90,7 @@ func NewHeadscaleDatabase(
 					_ = tx.Migrator().
 						RenameColumn(&types.Node{}, "nickname", "given_name")
 
+					dbConn.Model(&types.Node{}).Where("auth_key_id = ?", 0).Update("auth_key_id", nil)
 					// If the Node table has a column for registered,
 					// find all occourences of "false" and drop them. Then
 					// remove the column.
@@ -318,14 +318,8 @@ func NewHeadscaleDatabase(
 				// no longer used.
 				ID: "202402151347",
 				Migrate: func(tx *gorm.DB) error {
-					err := tx.Migrator().DropColumn(&types.Node{}, "last_successful_update")
-					if err != nil && strings.Contains(err.Error(), `of relation "nodes" does not exist`) {
-						return nil
-					} else {
-						return err
-					}
-
-					return err
+					_ = tx.Migrator().DropColumn(&types.Node{}, "last_successful_update")
+					return nil
 				},
 				Rollback: func(tx *gorm.DB) error {
 					return nil
@@ -336,7 +330,7 @@ func NewHeadscaleDatabase(
 				// IP v4 and v6 column.
 				// Note that previously, the list _could_ contain more
 				// than two addresses, which should not really happen.
-				// In that case, the first occurence of each type will
+				// In that case, the first occurrence of each type will
 				// be kept.
 				ID: "2024041121742",
 				Migrate: func(tx *gorm.DB) error {
@@ -400,6 +394,18 @@ func NewHeadscaleDatabase(
 					return nil
 				},
 			},
+			{
+				ID: "202406021630",
+				Migrate: func(tx *gorm.DB) error {
+					err := tx.AutoMigrate(&types.Policy{})
+					if err != nil {
+						return err
+					}
+
+					return nil
+				},
+				Rollback: func(db *gorm.DB) error { return nil },
+			},
 		},
 	)
 
@@ -439,14 +445,29 @@ func openDB(cfg types.DatabaseConfig) (*gorm.DB, error) {
 			Msg("Opening database")
 
 		db, err := gorm.Open(
-			sqlite.Open(cfg.Sqlite.Path+"?_synchronous=1&_journal_mode=WAL"),
+			sqlite.Open(cfg.Sqlite.Path),
 			&gorm.Config{
-				DisableForeignKeyConstraintWhenMigrating: true,
-				Logger:                                   dbLogger,
+				Logger: dbLogger,
 			},
 		)
 
-		db.Exec("PRAGMA foreign_keys=ON")
+		if err := db.Exec(`
+			PRAGMA foreign_keys=ON;
+			PRAGMA busy_timeout=10000;
+			PRAGMA auto_vacuum=INCREMENTAL;
+			PRAGMA synchronous=NORMAL;
+			`).Error; err != nil {
+			return nil, fmt.Errorf("enabling foreign keys: %w", err)
+		}
+
+		if cfg.Sqlite.WriteAheadLog {
+			if err := db.Exec(`
+				PRAGMA journal_mode=WAL;
+				PRAGMA wal_autocheckpoint=0;
+				`).Error; err != nil {
+				return nil, fmt.Errorf("setting WAL mode: %w", err)
+			}
+		}
 
 		// The pure Go SQLite library does not handle locking in
 		// the same way as the C based one and we cant use the gorm
@@ -488,8 +509,7 @@ func openDB(cfg types.DatabaseConfig) (*gorm.DB, error) {
 		}
 
 		db, err := gorm.Open(postgres.Open(dbString), &gorm.Config{
-			DisableForeignKeyConstraintWhenMigrating: true,
-			Logger:                                   dbLogger,
+			Logger: dbLogger,
 		})
 		if err != nil {
 			return nil, err

hscontrol/db/ip.go

@@ -76,7 +76,6 @@ func NewIPAllocator(
 		if err != nil {
 			return nil, fmt.Errorf("reading IPv6 addresses from database: %w", err)
 		}
-
 	}
 
 	var ips netipx.IPSetBuilder

hscontrol/db/ip_test.go

@@ -18,9 +18,11 @@ var mpp = func(pref string) *netip.Prefix {
 	p := netip.MustParsePrefix(pref)
 	return &p
 }
+
 var na = func(pref string) netip.Addr {
 	return netip.MustParseAddr(pref)
 }
+
 var nap = func(pref string) *netip.Addr {
 	n := na(pref)
 	return &n
@@ -87,8 +89,11 @@ func TestIPAllocatorSequential(t *testing.T) {
 			name: "simple-with-db",
 			dbFunc: func() *HSDatabase {
 				db := dbForTest(t, "simple-with-db")
+				user := types.User{Name: ""}
+				db.DB.Save(&user)
 
 				db.DB.Save(&types.Node{
+					User: user,
 					IPv4: nap("100.64.0.1"),
 					IPv6: nap("fd7a:115c:a1e0::1"),
 				})
@@ -112,8 +117,11 @@ func TestIPAllocatorSequential(t *testing.T) {
 			name: "before-after-free-middle-in-db",
 			dbFunc: func() *HSDatabase {
 				db := dbForTest(t, "before-after-free-middle-in-db")
+				user := types.User{Name: ""}
+				db.DB.Save(&user)
 
 				db.DB.Save(&types.Node{
+					User: user,
 					IPv4: nap("100.64.0.2"),
 					IPv6: nap("fd7a:115c:a1e0::2"),
 				})
@@ -307,8 +315,11 @@ func TestBackfillIPAddresses(t *testing.T) {
 			name: "simple-backfill-ipv6",
 			dbFunc: func() *HSDatabase {
 				db := dbForTest(t, "simple-backfill-ipv6")
+				user := types.User{Name: ""}
+				db.DB.Save(&user)
 
 				db.DB.Save(&types.Node{
+					User: user,
 					IPv4: nap("100.64.0.1"),
 				})
 
@@ -337,8 +348,11 @@ func TestBackfillIPAddresses(t *testing.T) {
 			name: "simple-backfill-ipv4",
 			dbFunc: func() *HSDatabase {
 				db := dbForTest(t, "simple-backfill-ipv4")
+				user := types.User{Name: ""}
+				db.DB.Save(&user)
 
 				db.DB.Save(&types.Node{
+					User: user,
 					IPv6: nap("fd7a:115c:a1e0::1"),
 				})
 
@@ -367,8 +381,11 @@ func TestBackfillIPAddresses(t *testing.T) {
 			name: "simple-backfill-remove-ipv6",
 			dbFunc: func() *HSDatabase {
 				db := dbForTest(t, "simple-backfill-remove-ipv6")
+				user := types.User{Name: ""}
+				db.DB.Save(&user)
 
 				db.DB.Save(&types.Node{
+					User: user,
 					IPv4: nap("100.64.0.1"),
 					IPv6: nap("fd7a:115c:a1e0::1"),
 				})
@@ -392,8 +409,11 @@ func TestBackfillIPAddresses(t *testing.T) {
 			name: "simple-backfill-remove-ipv4",
 			dbFunc: func() *HSDatabase {
 				db := dbForTest(t, "simple-backfill-remove-ipv4")
+				user := types.User{Name: ""}
+				db.DB.Save(&user)
 
 				db.DB.Save(&types.Node{
+					User: user,
 					IPv4: nap("100.64.0.1"),
 					IPv6: nap("fd7a:115c:a1e0::1"),
 				})
@@ -417,17 +437,23 @@ func TestBackfillIPAddresses(t *testing.T) {
 			name: "multi-backfill-ipv6",
 			dbFunc: func() *HSDatabase {
 				db := dbForTest(t, "simple-backfill-ipv6")
+				user := types.User{Name: ""}
+				db.DB.Save(&user)
 
 				db.DB.Save(&types.Node{
+					User: user,
 					IPv4: nap("100.64.0.1"),
 				})
 				db.DB.Save(&types.Node{
+					User: user,
 					IPv4: nap("100.64.0.2"),
 				})
 				db.DB.Save(&types.Node{
+					User: user,
 					IPv4: nap("100.64.0.3"),
 				})
 				db.DB.Save(&types.Node{
+					User: user,
 					IPv4: nap("100.64.0.4"),
 				})
 
@@ -451,6 +477,8 @@ func TestBackfillIPAddresses(t *testing.T) {
 		"MachineKeyDatabaseField",
 		"NodeKeyDatabaseField",
 		"DiscoKeyDatabaseField",
+		"User",
+		"UserID",
 		"Endpoints",
 		"HostinfoDatabaseField",
 		"Hostinfo",

hscontrol/db/node.go

@@ -12,6 +12,7 @@ import (
 	"github.com/patrickmn/go-cache"
 	"github.com/puzpuzpuz/xsync/v3"
 	"github.com/rs/zerolog/log"
+	"github.com/sasha-s/go-deadlock"
 	"gorm.io/gorm"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/key"
@@ -78,6 +79,17 @@ func ListNodes(tx *gorm.DB) (types.Nodes, error) {
 	return nodes, nil
 }
 
+func (hsdb *HSDatabase) ListEphemeralNodes() (types.Nodes, error) {
+	return Read(hsdb.DB, func(rx *gorm.DB) (types.Nodes, error) {
+		nodes := types.Nodes{}
+		if err := rx.Joins("AuthKey").Where(`"AuthKey"."ephemeral" = true`).Find(&nodes).Error; err != nil {
+			return nil, err
+		}
+
+		return nodes, nil
+	})
+}
+
 func listNodesByGivenName(tx *gorm.DB, givenName string) (types.Nodes, error) {
 	nodes := types.Nodes{}
 	if err := tx.
@@ -215,7 +227,7 @@ func SetTags(
 		return nil
 	}
 
-	newTags := types.StringList{}
+	var newTags types.StringList
 	for _, tag := range tags {
 		if !util.StringOrPrefixListContains(newTags, tag) {
 			newTags = append(newTags, tag)
@@ -279,13 +291,27 @@ func DeleteNode(tx *gorm.DB,
 	}
 
 	// Unscoped causes the node to be fully removed from the database.
-	if err := tx.Unscoped().Delete(&node).Error; err != nil {
+	if err := tx.Unscoped().Delete(&types.Node{}, node.ID).Error; err != nil {
 		return changed, err
 	}
 
 	return changed, nil
 }
 
+// DeleteEphemeralNode deletes a Node from the database, note that this method
+// will remove it straight, and not notify any changes or consider any routes.
+// It is intended for Ephemeral nodes.
+func (hsdb *HSDatabase) DeleteEphemeralNode(
+	nodeID types.NodeID,
+) error {
+	return hsdb.Write(func(tx *gorm.DB) error {
+		if err := tx.Unscoped().Delete(&types.Node{}, nodeID).Error; err != nil {
+			return err
+		}
+		return nil
+	})
+}
+
 // SetLastSeen sets a node's last seen field indicating that we
 // have recently communicating with this node.
 func SetLastSeen(tx *gorm.DB, nodeID types.NodeID, lastSeen time.Time) error {
@@ -452,7 +478,7 @@ func GetAdvertisedRoutes(tx *gorm.DB, node *types.Node) ([]netip.Prefix, error)
 		return nil, fmt.Errorf("getting advertised routes for node(%d): %w", node.ID, err)
 	}
 
-	prefixes := []netip.Prefix{}
+	var prefixes []netip.Prefix
 	for _, route := range routes {
 		prefixes = append(prefixes, netip.Prefix(route.Prefix))
 	}
@@ -478,7 +504,7 @@ func GetEnabledRoutes(tx *gorm.DB, node *types.Node) ([]netip.Prefix, error) {
 		return nil, fmt.Errorf("getting enabled routes for node(%d): %w", node.ID, err)
 	}
 
-	prefixes := []netip.Prefix{}
+	var prefixes []netip.Prefix
 	for _, route := range routes {
 		prefixes = append(prefixes, netip.Prefix(route.Prefix))
 	}
@@ -660,51 +686,6 @@ func GenerateGivenName(
 	return givenName, nil
 }
 
-func DeleteExpiredEphemeralNodes(tx *gorm.DB,
-	inactivityThreshhold time.Duration,
-) ([]types.NodeID, []types.NodeID) {
-	users, err := ListUsers(tx)
-	if err != nil {
-		return nil, nil
-	}
-
-	var expired []types.NodeID
-	var changedNodes []types.NodeID
-	for _, user := range users {
-		nodes, err := ListNodesByUser(tx, user.Name)
-		if err != nil {
-			return nil, nil
-		}
-
-		for idx, node := range nodes {
-			if node.IsEphemeral() && node.LastSeen != nil &&
-				time.Now().
-					After(node.LastSeen.Add(inactivityThreshhold)) {
-				expired = append(expired, node.ID)
-
-				log.Info().
-					Str("node", node.Hostname).
-					Msg("Ephemeral client removed from database")
-
-					// empty isConnected map as ephemeral nodes are not routes
-				changed, err := DeleteNode(tx, nodes[idx], nil)
-				if err != nil {
-					log.Error().
-						Err(err).
-						Str("node", node.Hostname).
-						Msg("🤮 Cannot delete ephemeral node from the database")
-				}
-
-				changedNodes = append(changedNodes, changed...)
-			}
-		}
-
-		// TODO(kradalby): needs to be moved out of transaction
-	}
-
-	return expired, changedNodes
-}
-
 func ExpireExpiredNodes(tx *gorm.DB,
 	lastCheck time.Time,
 ) (time.Time, types.StateUpdate, bool) {
@@ -737,3 +718,78 @@ func ExpireExpiredNodes(tx *gorm.DB,
 
 	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
+// cleaned up.
+type EphemeralGarbageCollector struct {
+	mu deadlock.Mutex
+
+	deleteFunc  func(types.NodeID)
+	toBeDeleted map[types.NodeID]*time.Timer
+
+	deleteCh chan types.NodeID
+	cancelCh chan struct{}
+}
+
+// NewEphemeralGarbageCollector creates a new EphemeralGarbageCollector, it takes
+// a deleteFunc that will be called when a node is scheduled for deletion.
+func NewEphemeralGarbageCollector(deleteFunc func(types.NodeID)) *EphemeralGarbageCollector {
+	return &EphemeralGarbageCollector{
+		toBeDeleted: make(map[types.NodeID]*time.Timer),
+		deleteCh:    make(chan types.NodeID, 10),
+		cancelCh:    make(chan struct{}),
+		deleteFunc:  deleteFunc,
+	}
+}
+
+// Close stops the garbage collector.
+func (e *EphemeralGarbageCollector) Close() {
+	e.cancelCh <- struct{}{}
+}
+
+// Schedule schedules a node for deletion after the expiry duration.
+func (e *EphemeralGarbageCollector) Schedule(nodeID types.NodeID, expiry time.Duration) {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+
+	timer := time.NewTimer(expiry)
+	e.toBeDeleted[nodeID] = timer
+
+	go func() {
+		select {
+		case _, ok := <-timer.C:
+			if ok {
+				e.deleteCh <- nodeID
+			}
+		}
+	}()
+}
+
+// Cancel cancels the deletion of a node.
+func (e *EphemeralGarbageCollector) Cancel(nodeID types.NodeID) {
+	e.mu.Lock()
+	defer e.mu.Unlock()
+
+	if timer, ok := e.toBeDeleted[nodeID]; ok {
+		timer.Stop()
+		delete(e.toBeDeleted, nodeID)
+	}
+}
+
+// Start starts the garbage collector.
+func (e *EphemeralGarbageCollector) Start() {
+	for {
+		select {
+		case <-e.cancelCh:
+			return
+		case nodeID := <-e.deleteCh:
+			e.mu.Lock()
+			delete(e.toBeDeleted, nodeID)
+			e.mu.Unlock()
+
+			go e.deleteFunc(nodeID)
+		}
+	}
+}

hscontrol/db/node_test.go

@@ -1,20 +1,26 @@
 package db
 
 import (
+	"crypto/rand"
 	"fmt"
+	"math/big"
 	"net/netip"
 	"regexp"
 	"strconv"
+	"sync"
 	"testing"
 	"time"
 
+	"github.com/google/go-cmp/cmp"
 	"github.com/juanfont/headscale/hscontrol/policy"
 	"github.com/juanfont/headscale/hscontrol/types"
 	"github.com/juanfont/headscale/hscontrol/util"
 	"github.com/puzpuzpuz/xsync/v3"
+	"github.com/stretchr/testify/assert"
 	"gopkg.in/check.v1"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/key"
+	"tailscale.com/types/ptr"
 )
 
 func (s *Suite) TestGetNode(c *check.C) {
@@ -37,9 +43,10 @@ func (s *Suite) TestGetNode(c *check.C) {
 		Hostname:       "testnode",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 	}
-	db.DB.Save(node)
+	trx := db.DB.Save(node)
+	c.Assert(trx.Error, check.IsNil)
 
 	_, err = db.getNode("test", "testnode")
 	c.Assert(err, check.IsNil)
@@ -65,9 +72,10 @@ func (s *Suite) TestGetNodeByID(c *check.C) {
 		Hostname:       "testnode",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 	}
-	db.DB.Save(&node)
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
 
 	_, err = db.GetNodeByID(0)
 	c.Assert(err, check.IsNil)
@@ -95,9 +103,10 @@ func (s *Suite) TestGetNodeByAnyNodeKey(c *check.C) {
 		Hostname:       "testnode",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 	}
-	db.DB.Save(&node)
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
 
 	_, err = db.GetNodeByAnyKey(machineKey.Public(), nodeKey.Public(), oldNodeKey.Public())
 	c.Assert(err, check.IsNil)
@@ -117,9 +126,9 @@ func (s *Suite) TestHardDeleteNode(c *check.C) {
 		Hostname:       "testnode3",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(1),
 	}
-	db.DB.Save(&node)
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
 
 	_, err = db.DeleteNode(&node, xsync.NewMapOf[types.NodeID, bool]())
 	c.Assert(err, check.IsNil)
@@ -149,9 +158,10 @@ func (s *Suite) TestListPeers(c *check.C) {
 			Hostname:       "testnode" + strconv.Itoa(index),
 			UserID:         user.ID,
 			RegisterMethod: util.RegisterMethodAuthKey,
-			AuthKeyID:      uint(pak.ID),
+			AuthKeyID:      ptr.To(pak.ID),
 		}
-		db.DB.Save(&node)
+		trx := db.DB.Save(&node)
+		c.Assert(trx.Error, check.IsNil)
 	}
 
 	node0ByID, err := db.GetNodeByID(0)
@@ -198,9 +208,10 @@ func (s *Suite) TestGetACLFilteredPeers(c *check.C) {
 			Hostname:       "testnode" + strconv.Itoa(index),
 			UserID:         stor[index%2].user.ID,
 			RegisterMethod: util.RegisterMethodAuthKey,
-			AuthKeyID:      uint(stor[index%2].key.ID),
+			AuthKeyID:      ptr.To(stor[index%2].key.ID),
 		}
-		db.DB.Save(&node)
+		trx := db.DB.Save(&node)
+		c.Assert(trx.Error, check.IsNil)
 	}
 
 	aclPolicy := &policy.ACLPolicy{
@@ -280,7 +291,7 @@ func (s *Suite) TestExpireNode(c *check.C) {
 		Hostname:       "testnode",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 		Expiry:         &time.Time{},
 	}
 	db.DB.Save(node)
@@ -324,9 +335,11 @@ func (s *Suite) TestGenerateGivenName(c *check.C) {
 		GivenName:      "hostname-1",
 		UserID:         user1.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 	}
-	db.DB.Save(node)
+
+	trx := db.DB.Save(node)
+	c.Assert(trx.Error, check.IsNil)
 
 	givenName, err := db.GenerateGivenName(machineKey2.Public(), "hostname-2")
 	comment := check.Commentf("Same user, unique nodes, unique hostnames, no conflict")
@@ -364,9 +377,11 @@ func (s *Suite) TestSetTags(c *check.C) {
 		Hostname:       "testnode",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 	}
-	db.DB.Save(node)
+
+	trx := db.DB.Save(node)
+	c.Assert(trx.Error, check.IsNil)
 
 	// assign simple tags
 	sTags := []string{"tag:test", "tag:foo"}
@@ -376,7 +391,7 @@ func (s *Suite) TestSetTags(c *check.C) {
 	c.Assert(err, check.IsNil)
 	c.Assert(node.ForcedTags, check.DeepEquals, types.StringList(sTags))
 
-	// assign duplicat tags, expect no errors but no doubles in DB
+	// assign duplicate tags, expect no errors but no doubles in DB
 	eTags := []string{"tag:bar", "tag:test", "tag:unknown", "tag:test"}
 	err = db.SetTags(node.ID, eTags)
 	c.Assert(err, check.IsNil)
@@ -528,7 +543,7 @@ func (s *Suite) TestAutoApproveRoutes(c *check.C) {
 }
 	`)
 
-	pol, err := policy.LoadACLPolicyFromBytes(acl, "hujson")
+	pol, err := policy.LoadACLPolicyFromBytes(acl)
 	c.Assert(err, check.IsNil)
 	c.Assert(pol, check.NotNil)
 
@@ -555,7 +570,7 @@ func (s *Suite) TestAutoApproveRoutes(c *check.C) {
 		Hostname:       "test",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 		Hostinfo: &tailcfg.Hostinfo{
 			RequestTags: []string{"tag:exit"},
 			RoutableIPs: []netip.Prefix{defaultRouteV4, defaultRouteV6, route1, route2},
@@ -563,7 +578,8 @@ func (s *Suite) TestAutoApproveRoutes(c *check.C) {
 		IPv4: &v4,
 	}
 
-	db.DB.Save(&node)
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
 
 	sendUpdate, err := db.SaveNodeRoutes(&node)
 	c.Assert(err, check.IsNil)
@@ -580,3 +596,121 @@ func (s *Suite) TestAutoApproveRoutes(c *check.C) {
 	c.Assert(err, check.IsNil)
 	c.Assert(enabledRoutes, check.HasLen, 4)
 }
+
+func TestEphemeralGarbageCollectorOrder(t *testing.T) {
+	want := []types.NodeID{1, 3}
+	got := []types.NodeID{}
+
+	e := NewEphemeralGarbageCollector(func(ni types.NodeID) {
+		got = append(got, ni)
+	})
+	go e.Start()
+
+	e.Schedule(1, 1*time.Second)
+	e.Schedule(2, 2*time.Second)
+	e.Schedule(3, 3*time.Second)
+	e.Schedule(4, 4*time.Second)
+	e.Cancel(2)
+	e.Cancel(4)
+
+	time.Sleep(6 * time.Second)
+
+	e.Close()
+
+	if diff := cmp.Diff(want, got); diff != "" {
+		t.Errorf("wrong nodes deleted, unexpected result (-want +got):\n%s", diff)
+	}
+}
+
+func TestEphemeralGarbageCollectorLoads(t *testing.T) {
+	var got []types.NodeID
+	var mu sync.Mutex
+
+	want := 1000
+
+	e := NewEphemeralGarbageCollector(func(ni types.NodeID) {
+		defer mu.Unlock()
+		mu.Lock()
+
+		time.Sleep(time.Duration(generateRandomNumber(t, 3)) * time.Millisecond)
+		got = append(got, ni)
+	})
+	go e.Start()
+
+	for i := 0; i < want; i++ {
+		go e.Schedule(types.NodeID(i), 1*time.Second)
+	}
+
+	time.Sleep(10 * time.Second)
+
+	e.Close()
+	if len(got) != want {
+		t.Errorf("expected %d, got %d", want, len(got))
+	}
+}
+
+func generateRandomNumber(t *testing.T, max int64) int64 {
+	t.Helper()
+	maxB := big.NewInt(max)
+	n, err := rand.Int(rand.Reader, maxB)
+	if err != nil {
+		t.Fatalf("getting random number: %s", err)
+	}
+	return n.Int64() + 1
+}
+
+func TestListEphemeralNodes(t *testing.T) {
+	db, err := newTestDB()
+	if err != nil {
+		t.Fatalf("creating db: %s", err)
+	}
+
+	user, err := db.CreateUser("test")
+	assert.NoError(t, err)
+
+	pak, err := db.CreatePreAuthKey(user.Name, false, false, nil, nil)
+	assert.NoError(t, err)
+
+	pakEph, err := db.CreatePreAuthKey(user.Name, false, true, nil, nil)
+	assert.NoError(t, err)
+
+	node := types.Node{
+		ID:             0,
+		MachineKey:     key.NewMachine().Public(),
+		NodeKey:        key.NewNode().Public(),
+		Hostname:       "test",
+		UserID:         user.ID,
+		RegisterMethod: util.RegisterMethodAuthKey,
+		AuthKeyID:      ptr.To(pak.ID),
+	}
+
+	nodeEph := types.Node{
+		ID:             0,
+		MachineKey:     key.NewMachine().Public(),
+		NodeKey:        key.NewNode().Public(),
+		Hostname:       "ephemeral",
+		UserID:         user.ID,
+		RegisterMethod: util.RegisterMethodAuthKey,
+		AuthKeyID:      ptr.To(pakEph.ID),
+	}
+
+	err = db.DB.Save(&node).Error
+	assert.NoError(t, err)
+
+	err = db.DB.Save(&nodeEph).Error
+	assert.NoError(t, err)
+
+	nodes, err := db.ListNodes()
+	assert.NoError(t, err)
+
+	ephemeralNodes, err := db.ListEphemeralNodes()
+	assert.NoError(t, err)
+
+	assert.Len(t, nodes, 2)
+	assert.Len(t, ephemeralNodes, 1)
+
+	assert.Equal(t, nodeEph.ID, ephemeralNodes[0].ID)
+	assert.Equal(t, nodeEph.AuthKeyID, ephemeralNodes[0].AuthKeyID)
+	assert.Equal(t, nodeEph.UserID, ephemeralNodes[0].UserID)
+	assert.Equal(t, nodeEph.Hostname, ephemeralNodes[0].Hostname)
+}

hscontrol/db/policy.go

@@ -0,0 +1,43 @@
+package db
+
+import (
+	"errors"
+
+	"github.com/juanfont/headscale/hscontrol/types"
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+)
+
+// SetPolicy sets the policy in the database.
+func (hsdb *HSDatabase) SetPolicy(policy string) (*types.Policy, error) {
+	// Create a new policy.
+	p := types.Policy{
+		Data: policy,
+	}
+
+	if err := hsdb.DB.Clauses(clause.Returning{}).Create(&p).Error; err != nil {
+		return nil, err
+	}
+
+	return &p, nil
+}
+
+// GetPolicy returns the latest policy in the database.
+func (hsdb *HSDatabase) GetPolicy() (*types.Policy, error) {
+	var p types.Policy
+
+	// Query:
+	// SELECT * FROM policies ORDER BY id DESC LIMIT 1;
+	if err := hsdb.DB.
+		Order("id DESC").
+		Limit(1).
+		First(&p).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, types.ErrPolicyNotFound
+		}
+
+		return nil, err
+	}
+
+	return &p, nil
+}

hscontrol/db/preauth_keys.go

@@ -10,6 +10,7 @@ import (
 
 	"github.com/juanfont/headscale/hscontrol/types"
 	"gorm.io/gorm"
+	"tailscale.com/types/ptr"
 )
 
 var (
@@ -83,7 +84,7 @@ func CreatePreAuthKey(
 			if !seenTags[tag] {
 				if err := tx.Save(&types.PreAuthKeyACLTag{PreAuthKeyID: key.ID, Tag: tag}).Error; err != nil {
 					return nil, fmt.Errorf(
-						"failed to ceate key tag in the database: %w",
+						"failed to create key tag in the database: %w",
 						err,
 					)
 				}
@@ -199,7 +200,7 @@ func ValidatePreAuthKey(tx *gorm.DB, k string) (*types.PreAuthKey, error) {
 	nodes := types.Nodes{}
 	if err := tx.
 		Preload("AuthKey").
-		Where(&types.Node{AuthKeyID: uint(pak.ID)}).
+		Where(&types.Node{AuthKeyID: ptr.To(pak.ID)}).
 		Find(&nodes).Error; err != nil {
 		return nil, err
 	}

hscontrol/db/preauth_keys_test.go

@@ -6,7 +6,7 @@ import (
 	"github.com/juanfont/headscale/hscontrol/types"
 	"github.com/juanfont/headscale/hscontrol/util"
 	"gopkg.in/check.v1"
-	"gorm.io/gorm"
+	"tailscale.com/types/ptr"
 )
 
 func (*Suite) TestCreatePreAuthKey(c *check.C) {
@@ -81,9 +81,10 @@ func (*Suite) TestAlreadyUsedKey(c *check.C) {
 		Hostname:       "testest",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 	}
-	db.DB.Save(&node)
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
 
 	key, err := db.ValidatePreAuthKey(pak.Key)
 	c.Assert(err, check.Equals, ErrSingleUseAuthKeyHasBeenUsed)
@@ -102,9 +103,10 @@ func (*Suite) TestReusableBeingUsedKey(c *check.C) {
 		Hostname:       "testest",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 	}
-	db.DB.Save(&node)
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
 
 	key, err := db.ValidatePreAuthKey(pak.Key)
 	c.Assert(err, check.IsNil)
@@ -123,74 +125,6 @@ func (*Suite) TestNotReusableNotBeingUsedKey(c *check.C) {
 	c.Assert(key.ID, check.Equals, pak.ID)
 }
 
-func (*Suite) TestEphemeralKeyReusable(c *check.C) {
-	user, err := db.CreateUser("test7")
-	c.Assert(err, check.IsNil)
-
-	pak, err := db.CreatePreAuthKey(user.Name, true, true, nil, nil)
-	c.Assert(err, check.IsNil)
-
-	now := time.Now().Add(-time.Second * 30)
-	node := types.Node{
-		ID:             0,
-		Hostname:       "testest",
-		UserID:         user.ID,
-		RegisterMethod: util.RegisterMethodAuthKey,
-		LastSeen:       &now,
-		AuthKeyID:      uint(pak.ID),
-	}
-	db.DB.Save(&node)
-
-	_, err = db.ValidatePreAuthKey(pak.Key)
-	c.Assert(err, check.IsNil)
-
-	_, err = db.getNode("test7", "testest")
-	c.Assert(err, check.IsNil)
-
-	db.Write(func(tx *gorm.DB) error {
-		DeleteExpiredEphemeralNodes(tx, time.Second*20)
-		return nil
-	})
-
-	// The machine record should have been deleted
-	_, err = db.getNode("test7", "testest")
-	c.Assert(err, check.NotNil)
-}
-
-func (*Suite) TestEphemeralKeyNotReusable(c *check.C) {
-	user, err := db.CreateUser("test7")
-	c.Assert(err, check.IsNil)
-
-	pak, err := db.CreatePreAuthKey(user.Name, false, true, nil, nil)
-	c.Assert(err, check.IsNil)
-
-	now := time.Now().Add(-time.Second * 30)
-	node := types.Node{
-		ID:             0,
-		Hostname:       "testest",
-		UserID:         user.ID,
-		RegisterMethod: util.RegisterMethodAuthKey,
-		LastSeen:       &now,
-		AuthKeyID:      uint(pak.ID),
-	}
-	db.DB.Save(&node)
-
-	_, err = db.ValidatePreAuthKey(pak.Key)
-	c.Assert(err, check.NotNil)
-
-	_, err = db.getNode("test7", "testest")
-	c.Assert(err, check.IsNil)
-
-	db.Write(func(tx *gorm.DB) error {
-		DeleteExpiredEphemeralNodes(tx, time.Second*20)
-		return nil
-	})
-
-	// The machine record should have been deleted
-	_, err = db.getNode("test7", "testest")
-	c.Assert(err, check.NotNil)
-}
-
 func (*Suite) TestExpirePreauthKey(c *check.C) {
 	user, err := db.CreateUser("test3")
 	c.Assert(err, check.IsNil)

hscontrol/db/routes.go

@@ -222,7 +222,7 @@ func DeleteRoute(
 			return nil, err
 		}
 
-		routesToDelete := types.Routes{}
+		var routesToDelete types.Routes
 		for _, r := range routes {
 			if r.IsExitRoute() {
 				routesToDelete = append(routesToDelete, r)
@@ -542,7 +542,6 @@ func failoverRoute(
 	isLikelyConnected *xsync.MapOf[types.NodeID, bool],
 	routeToReplace *types.Route,
 	altRoutes types.Routes,
-
 ) *failover {
 	if routeToReplace == nil {
 		return nil
@@ -623,7 +622,7 @@ func EnableAutoApprovedRoutes(
 
 	log.Trace().Interface("routes", routes).Msg("routes for autoapproving")
 
-	approvedRoutes := types.Routes{}
+	var approvedRoutes types.Routes
 
 	for _, advertisedRoute := range routes {
 		if advertisedRoute.Enabled {

hscontrol/db/routes_test.go

@@ -14,6 +14,7 @@ import (
 	"gopkg.in/check.v1"
 	"gorm.io/gorm"
 	"tailscale.com/tailcfg"
+	"tailscale.com/types/ptr"
 )
 
 var smap = func(m map[types.NodeID]bool) *xsync.MapOf[types.NodeID, bool] {
@@ -48,10 +49,11 @@ func (s *Suite) TestGetRoutes(c *check.C) {
 		Hostname:       "test_get_route_node",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 		Hostinfo:       &hostInfo,
 	}
-	db.DB.Save(&node)
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
 
 	su, err := db.SaveNodeRoutes(&node)
 	c.Assert(err, check.IsNil)
@@ -98,10 +100,11 @@ func (s *Suite) TestGetEnableRoutes(c *check.C) {
 		Hostname:       "test_enable_route_node",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 		Hostinfo:       &hostInfo,
 	}
-	db.DB.Save(&node)
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
 
 	sendUpdate, err := db.SaveNodeRoutes(&node)
 	c.Assert(err, check.IsNil)
@@ -170,10 +173,11 @@ func (s *Suite) TestIsUniquePrefix(c *check.C) {
 		Hostname:       "test_enable_route_node",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 		Hostinfo:       &hostInfo1,
 	}
-	db.DB.Save(&node1)
+	trx := db.DB.Save(&node1)
+	c.Assert(trx.Error, check.IsNil)
 
 	sendUpdate, err := db.SaveNodeRoutes(&node1)
 	c.Assert(err, check.IsNil)
@@ -193,7 +197,7 @@ func (s *Suite) TestIsUniquePrefix(c *check.C) {
 		Hostname:       "test_enable_route_node",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 		Hostinfo:       &hostInfo2,
 	}
 	db.DB.Save(&node2)
@@ -252,11 +256,12 @@ func (s *Suite) TestDeleteRoutes(c *check.C) {
 		Hostname:       "test_enable_route_node",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 		Hostinfo:       &hostInfo1,
 		LastSeen:       &now,
 	}
-	db.DB.Save(&node1)
+	trx := db.DB.Save(&node1)
+	c.Assert(trx.Error, check.IsNil)
 
 	sendUpdate, err := db.SaveNodeRoutes(&node1)
 	c.Assert(err, check.IsNil)
@@ -280,25 +285,30 @@ func (s *Suite) TestDeleteRoutes(c *check.C) {
 	c.Assert(len(enabledRoutes1), check.Equals, 1)
 }
 
-var ipp = func(s string) types.IPPrefix { return types.IPPrefix(netip.MustParsePrefix(s)) }
-var n = func(nid types.NodeID) types.Node {
-	return types.Node{ID: nid}
-}
+var (
+	ipp    = func(s string) types.IPPrefix { return types.IPPrefix(netip.MustParsePrefix(s)) }
+	mkNode = func(nid types.NodeID) types.Node {
+		return types.Node{ID: nid}
+	}
+)
+
 var np = func(nid types.NodeID) *types.Node {
-	no := n(nid)
+	no := mkNode(nid)
 	return &no
 }
+
 var r = func(id uint, nid types.NodeID, prefix types.IPPrefix, enabled, primary bool) types.Route {
 	return types.Route{
 		Model: gorm.Model{
 			ID: id,
 		},
-		Node:      n(nid),
+		Node:      mkNode(nid),
 		Prefix:    prefix,
 		Enabled:   enabled,
 		IsPrimary: primary,
 	}
 }
+
 var rp = func(id uint, nid types.NodeID, prefix types.IPPrefix, enabled, primary bool) *types.Route {
 	ro := r(id, nid, prefix, enabled, primary)
 	return &ro
@@ -617,7 +627,16 @@ func TestFailoverNodeRoutesIfNeccessary(t *testing.T) {
 
 			db := dbForTest(t, tt.name)
 
+			user := types.User{Name: tt.name}
+			if err := db.DB.Save(&user).Error; err != nil {
+				t.Fatalf("failed to create user: %s", err)
+			}
+
 			for _, route := range tt.routes {
+				route.Node.User = user
+				if err := db.DB.Save(&route.Node).Error; err != nil {
+					t.Fatalf("failed to create node: %s", err)
+				}
 				if err := db.DB.Save(&route).Error; err != nil {
 					t.Fatalf("failed to create route: %s", err)
 				}
@@ -1013,8 +1032,16 @@ func TestFailoverRouteTx(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			db := dbForTest(t, tt.name)
+			user := types.User{Name: "test"}
+			if err := db.DB.Save(&user).Error; err != nil {
+				t.Fatalf("failed to create user: %s", err)
+			}
 
 			for _, route := range tt.routes {
+				route.Node.User = user
+				if err := db.DB.Save(&route.Node).Error; err != nil {
+					t.Fatalf("failed to create node: %s", err)
+				}
 				if err := db.DB.Save(&route).Error; err != nil {
 					t.Fatalf("failed to create route: %s", err)
 				}

hscontrol/db/suite_test.go

@@ -36,10 +36,18 @@ func (s *Suite) ResetDB(c *check.C) {
 	// }
 
 	var err error
-	tmpDir, err = os.MkdirTemp("", "headscale-db-test-*")
+	db, err = newTestDB()
 	if err != nil {
 		c.Fatal(err)
 	}
+}
+
+func newTestDB() (*HSDatabase, error) {
+	var err error
+	tmpDir, err = os.MkdirTemp("", "headscale-db-test-*")
+	if err != nil {
+		return nil, err
+	}
 
 	log.Printf("database path: %s", tmpDir+"/headscale_test.db")
 
@@ -53,6 +61,8 @@ func (s *Suite) ResetDB(c *check.C) {
 		"",
 	)
 	if err != nil {
-		c.Fatal(err)
+		return nil, err
 	}
+
+	return db, nil
 }

hscontrol/db/users_test.go

@@ -5,6 +5,7 @@ import (
 	"github.com/juanfont/headscale/hscontrol/util"
 	"gopkg.in/check.v1"
 	"gorm.io/gorm"
+	"tailscale.com/types/ptr"
 )
 
 func (s *Suite) TestCreateAndDestroyUser(c *check.C) {
@@ -51,9 +52,10 @@ func (s *Suite) TestDestroyUserErrors(c *check.C) {
 		Hostname:       "testnode",
 		UserID:         user.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 	}
-	db.DB.Save(&node)
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
 
 	err = db.DestroyUser("test")
 	c.Assert(err, check.Equals, ErrUserStillHasNodes)
@@ -103,9 +105,10 @@ func (s *Suite) TestSetMachineUser(c *check.C) {
 		Hostname:       "testnode",
 		UserID:         oldUser.ID,
 		RegisterMethod: util.RegisterMethodAuthKey,
-		AuthKeyID:      uint(pak.ID),
+		AuthKeyID:      ptr.To(pak.ID),
 	}
-	db.DB.Save(&node)
+	trx := db.DB.Save(&node)
+	c.Assert(trx.Error, check.IsNil)
 	c.Assert(node.UserID, check.Equals, oldUser.ID)
 
 	err = db.AssignNodeToUser(&node, newUser.Name)

hscontrol/derp/derp.go

@@ -81,7 +81,7 @@ func mergeDERPMaps(derpMaps []*tailcfg.DERPMap) *tailcfg.DERPMap {
 }
 
 func GetDERPMap(cfg types.DERPConfig) *tailcfg.DERPMap {
-	derpMaps := make([]*tailcfg.DERPMap, 0)
+	var derpMaps []*tailcfg.DERPMap
 
 	for _, path := range cfg.Paths {
 		log.Debug().

hscontrol/derp/server/derp_server.go

@@ -204,7 +204,7 @@ func DERPProbeHandler(
 	}
 }
 
-// DERPBootstrapDNSHandler implements the /bootsrap-dns endpoint
+// DERPBootstrapDNSHandler implements the /bootstrap-dns endpoint
 // Described in https://github.com/tailscale/tailscale/issues/1405,
 // this endpoint provides a way to help a client when it fails to start up
 // because its DNS are broken.

hscontrol/grpcv1.go

@@ -4,6 +4,8 @@ package hscontrol
 import (
 	"context"
 	"errors"
+	"io"
+	"os"
 	"sort"
 	"strings"
 	"time"
@@ -11,12 +13,14 @@ import (
 	"github.com/rs/zerolog/log"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
+	"google.golang.org/protobuf/types/known/timestamppb"
 	"gorm.io/gorm"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/key"
 
 	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"
 )
@@ -671,6 +675,76 @@ func (api headscaleV1APIServer) DeleteApiKey(
 	return &v1.DeleteApiKeyResponse{}, nil
 }
 
+func (api headscaleV1APIServer) GetPolicy(
+	_ context.Context,
+	_ *v1.GetPolicyRequest,
+) (*v1.GetPolicyResponse, error) {
+	switch api.h.cfg.Policy.Mode {
+	case types.PolicyModeDB:
+		p, err := api.h.db.GetPolicy()
+		if err != nil {
+			return nil, err
+		}
+
+		return &v1.GetPolicyResponse{
+			Policy:    p.Data,
+			UpdatedAt: timestamppb.New(p.UpdatedAt),
+		}, nil
+	case types.PolicyModeFile:
+		// Read the file and return the contents as-is.
+		f, err := os.Open(api.h.cfg.Policy.Path)
+		if err != nil {
+			return nil, err
+		}
+
+		defer f.Close()
+
+		b, err := io.ReadAll(f)
+		if err != nil {
+			return nil, err
+		}
+
+		return &v1.GetPolicyResponse{Policy: string(b)}, nil
+	}
+
+	return nil, nil
+}
+
+func (api headscaleV1APIServer) SetPolicy(
+	_ context.Context,
+	request *v1.SetPolicyRequest,
+) (*v1.SetPolicyResponse, error) {
+	if api.h.cfg.Policy.Mode != types.PolicyModeDB {
+		return nil, types.ErrPolicyUpdateIsDisabled
+	}
+
+	p := request.GetPolicy()
+
+	valid, err := policy.LoadACLPolicyFromBytes([]byte(p))
+	if err != nil {
+		return nil, err
+	}
+
+	updated, err := api.h.db.SetPolicy(p)
+	if err != nil {
+		return nil, err
+	}
+
+	api.h.ACLPolicy = valid
+
+	ctx := types.NotifyCtx(context.Background(), "acl-update", "na")
+	api.h.nodeNotifier.NotifyAll(ctx, types.StateUpdate{
+		Type: types.StateFullUpdate,
+	})
+
+	response := &v1.SetPolicyResponse{
+		Policy:    updated.Data,
+		UpdatedAt: timestamppb.New(updated.UpdatedAt),
+	}
+
+	return response, nil
+}
+
 // The following service calls are for testing and debugging
 func (api headscaleV1APIServer) DebugCreateNode(
 	ctx context.Context,

hscontrol/handlers.go

@@ -143,6 +143,18 @@ var registerWebAPITemplate = template.Must(
 <html>
 	<head>
 		<title>Registration - Headscale</title>
+		<meta name=viewport content="width=device-width, initial-scale=1">
+		<style>
+			body {
+				font-family: sans;
+			}
+			code {
+				display: block;
+				padding: 20px;
+				border: 1px solid #bbb;
+				background-color: #eee;
+			}
+		</style>
 	</head>
 	<body>
 		<h1>headscale</h1>
@@ -150,7 +162,7 @@ var registerWebAPITemplate = template.Must(
 		<p>
 			Run the command below in the headscale server to add this machine to your network:
 		</p>
-		<pre><code>headscale nodes register --user USERNAME --key {{.Key}}</code></pre>
+		<code>headscale nodes register --user USERNAME --key {{.Key}}</code>
 	</body>
 </html>
 `))

hscontrol/mapper/mapper.go

@@ -94,7 +94,6 @@ func (m *Mapper) String() string {
 func generateUserProfiles(
 	node *types.Node,
 	peers types.Nodes,
-	baseDomain string,
 ) []tailcfg.UserProfile {
 	userMap := make(map[string]types.User)
 	userMap[node.User.Name] = node.User
@@ -102,57 +101,51 @@ func generateUserProfiles(
 		userMap[peer.User.Name] = peer.User // not worth checking if already is there
 	}
 
-	profiles := []tailcfg.UserProfile{}
+	var profiles []tailcfg.UserProfile
 	for _, user := range userMap {
-		displayName := user.Name
-
-		if baseDomain != "" {
-			displayName = fmt.Sprintf("%s@%s", user.Name, baseDomain)
-		}
-
 		profiles = append(profiles,
-			tailcfg.UserProfile{
-				ID:          tailcfg.UserID(user.ID),
-				LoginName:   user.Name,
-				DisplayName: displayName,
-			})
+			user.TailscaleUserProfile())
 	}
 
 	return profiles
 }
 
 func generateDNSConfig(
-	base *tailcfg.DNSConfig,
+	cfg *types.Config,
 	baseDomain string,
 	node *types.Node,
 	peers types.Nodes,
 ) *tailcfg.DNSConfig {
-	dnsConfig := base.Clone()
+	if cfg.DNSConfig == nil {
+		return nil
+	}
+
+	dnsConfig := cfg.DNSConfig.Clone()
 
 	// if MagicDNS is enabled
-	if base != nil && base.Proxied {
-		// Only inject the Search Domain of the current user
-		// shared nodes should use their full FQDN
-		dnsConfig.Domains = append(
-			dnsConfig.Domains,
-			fmt.Sprintf(
-				"%s.%s",
-				node.User.Name,
-				baseDomain,
-			),
-		)
+	if dnsConfig.Proxied {
+		if cfg.DNSUserNameInMagicDNS {
+			// Only inject the Search Domain of the current user
+			// shared nodes should use their full FQDN
+			dnsConfig.Domains = append(
+				dnsConfig.Domains,
+				fmt.Sprintf(
+					"%s.%s",
+					node.User.Name,
+					baseDomain,
+				),
+			)
 
-		userSet := mapset.NewSet[types.User]()
-		userSet.Add(node.User)
-		for _, p := range peers {
-			userSet.Add(p.User)
+			userSet := mapset.NewSet[types.User]()
+			userSet.Add(node.User)
+			for _, p := range peers {
+				userSet.Add(p.User)
+			}
+			for _, user := range userSet.ToSlice() {
+				dnsRoute := fmt.Sprintf("%v.%v", user.Name, baseDomain)
+				dnsConfig.Routes[dnsRoute] = nil
+			}
 		}
-		for _, user := range userSet.ToSlice() {
-			dnsRoute := fmt.Sprintf("%v.%v", user.Name, baseDomain)
-			dnsConfig.Routes[dnsRoute] = nil
-		}
-	} else {
-		dnsConfig = base
 	}
 
 	addNextDNSMetadata(dnsConfig.Resolvers, node)
@@ -548,7 +541,6 @@ func appendPeerChanges(
 	changed types.Nodes,
 	cfg *types.Config,
 ) error {
-
 	packetFilter, err := pol.CompileFilterRules(append(peers, node))
 	if err != nil {
 		return err
@@ -565,10 +557,10 @@ func appendPeerChanges(
 		changed = policy.FilterNodesByACL(node, changed, packetFilter)
 	}
 
-	profiles := generateUserProfiles(node, changed, cfg.BaseDomain)
+	profiles := generateUserProfiles(node, changed)
 
 	dnsConfig := generateDNSConfig(
-		cfg.DNSConfig,
+		cfg,
 		cfg.BaseDomain,
 		node,
 		peers,
@@ -590,9 +582,30 @@ func appendPeerChanges(
 		resp.PeersChanged = tailPeers
 	}
 	resp.DNSConfig = dnsConfig
-	resp.PacketFilter = policy.ReduceFilterRules(node, packetFilter)
 	resp.UserProfiles = profiles
 	resp.SSHPolicy = sshPolicy
 
+	// 81: 2023-11-17: MapResponse.PacketFilters (incremental packet filter updates)
+	if capVer >= 81 {
+		// Currently, we do not send incremental package filters, however using the
+		// new PacketFilters field and "base" allows us to send a full update when we
+		// have to send an empty list, avoiding the hack in the else block.
+		resp.PacketFilters = map[string][]tailcfg.FilterRule{
+			"base": policy.ReduceFilterRules(node, packetFilter),
+		}
+	} else {
+		// This is a hack to avoid sending an empty list of packet filters.
+		// Since tailcfg.PacketFilter has omitempty, any empty PacketFilter will
+		// be omitted, causing the client to consider it unchange, keeping the
+		// previous packet filter. Worst case, this can cause a node that previously
+		// has access to a node to _not_ loose access if an empty (allow none) is sent.
+		reduced := policy.ReduceFilterRules(node, packetFilter)
+		if len(reduced) > 0 {
+			resp.PacketFilter = reduced
+		} else {
+			resp.PacketFilter = packetFilter
+		}
+	}
+
 	return nil
 }

hscontrol/mapper/mapper_test.go

@@ -43,7 +43,6 @@ func (s *Suite) TestGetMapResponseUserProfiles(c *check.C) {
 		types.Nodes{
 			nodeInShared2, nodeInShared3, node2InShared1,
 		},
-		"",
 	)
 
 	c.Assert(len(userProfiles), check.Equals, 3)
@@ -127,7 +126,10 @@ func TestDNSConfigMapResponse(t *testing.T) {
 			}
 
 			got := generateDNSConfig(
-				&dnsConfigOrig,
+				&types.Config{
+					DNSConfig:             &dnsConfigOrig,
+					DNSUserNameInMagicDNS: true,
+				},
 				baseDomain,
 				nodeInShared1,
 				peersOfNodeInShared1,
@@ -187,7 +189,6 @@ func Test_fullMapResponse(t *testing.T) {
 		UserID:     0,
 		User:       types.User{Name: "mini"},
 		ForcedTags: []string{},
-		AuthKeyID:  0,
 		AuthKey:    &types.PreAuthKey{},
 		LastSeen:   &lastSeen,
 		Expiry:     &expire,

hscontrol/mapper/tail.go

@@ -77,7 +77,7 @@ func tailNode(
 		keyExpiry = time.Time{}
 	}
 
-	hostname, err := node.GetFQDN(cfg.DNSConfig, cfg.BaseDomain)
+	hostname, err := node.GetFQDN(cfg, cfg.BaseDomain)
 	if err != nil {
 		return nil, fmt.Errorf("tailNode, failed to create FQDN: %s", err)
 	}

hscontrol/mapper/tail_test.go

@@ -97,7 +97,6 @@ func TestTailNode(t *testing.T) {
 					Name: "mini",
 				},
 				ForcedTags: []string{},
-				AuthKeyID:  0,
 				AuthKey:    &types.PreAuthKey{},
 				LastSeen:   &lastSeen,
 				Expiry:     &expire,

hscontrol/metrics.go

@@ -7,8 +7,23 @@ import (
 	"github.com/gorilla/mux"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
+	"tailscale.com/envknob"
 )
 
+var debugHighCardinalityMetrics = envknob.Bool("HEADSCALE_DEBUG_HIGH_CARDINALITY_METRICS")
+
+var mapResponseLastSentSeconds *prometheus.GaugeVec
+
+func init() {
+	if debugHighCardinalityMetrics {
+		mapResponseLastSentSeconds = promauto.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: prometheusNamespace,
+			Name:      "mapresponse_last_sent_seconds",
+			Help:      "last sent metric to node.id",
+		}, []string{"type", "id"})
+	}
+}
+
 const prometheusNamespace = "headscale"
 
 var (
@@ -25,7 +40,7 @@ var (
 	mapResponseWriteUpdatesInStream = promauto.NewCounterVec(prometheus.CounterOpts{
 		Namespace: prometheusNamespace,
 		Name:      "mapresponse_write_updates_in_stream_total",
-		Help:      "total count of writes that occured in a stream session, pre-68 nodes",
+		Help:      "total count of writes that occurred in a stream session, pre-68 nodes",
 	}, []string{"status"})
 	mapResponseEndpointUpdates = promauto.NewCounterVec(prometheus.CounterOpts{
 		Namespace: prometheusNamespace,
@@ -37,16 +52,16 @@ var (
 		Name:      "mapresponse_readonly_requests_total",
 		Help:      "total count of readonly requests received",
 	}, []string{"status"})
-	mapResponseSessions = promauto.NewGauge(prometheus.GaugeOpts{
+	mapResponseEnded = promauto.NewCounterVec(prometheus.CounterOpts{
 		Namespace: prometheusNamespace,
-		Name:      "mapresponse_current_sessions_total",
-		Help:      "total count open map response sessions",
-	})
-	mapResponseRejected = promauto.NewCounterVec(prometheus.CounterOpts{
-		Namespace: prometheusNamespace,
-		Name:      "mapresponse_rejected_new_sessions_total",
-		Help:      "total count of new mapsessions rejected",
+		Name:      "mapresponse_ended_total",
+		Help:      "total count of new mapsessions ended",
 	}, []string{"reason"})
+	mapResponseClosed = promauto.NewCounterVec(prometheus.CounterOpts{
+		Namespace: prometheusNamespace,
+		Name:      "mapresponse_closed_total",
+		Help:      "total count of calls to mapresponse close",
+	}, []string{"return"})
 	httpDuration = promauto.NewHistogramVec(prometheus.HistogramOpts{
 		Namespace: prometheusNamespace,
 		Name:      "http_duration_seconds",

hscontrol/noise.go

@@ -231,62 +231,12 @@ func (ns *noiseServer) NoisePollNetMapHandler(
 
 		return
 	}
+
 	sess := ns.headscale.newMapSession(req.Context(), mapRequest, writer, node)
-
 	sess.tracef("a node sending a MapRequest with Noise protocol")
-
-	// If a streaming mapSession exists for this node, close it
-	// and start a new one.
-	if sess.isStreaming() {
-		sess.tracef("aquiring lock to check stream")
-
-		ns.headscale.mapSessionMu.Lock()
-		if _, ok := ns.headscale.mapSessions[node.ID]; ok {
-			// NOTE/TODO(kradalby): From how I understand the protocol, when
-			// a client connects with stream=true, and already has a streaming
-			// connection open, the correct way is to close the current channel
-			// and replace it. However, I cannot manage to get that working with
-			// some sort of lock/block happening on the cancelCh in the streaming
-			// session.
-			// Not closing the channel and replacing it puts us in a weird state
-			// which keeps a ghost stream open, receiving keep alives, but no updates.
-			//
-			// Typically a new connection is opened when one exists as a client which
-			// is already authenticated reconnects (e.g. down, then up). The client will
-			// start auth and streaming at the same time, and then cancel the streaming
-			// when the auth has finished successfully, opening a new connection.
-			//
-			// As a work-around to not replacing, abusing the clients "resilience"
-			// by reject the new connection which will cause the client to immediately
-			// reconnect and "fix" the issue, as the other connection typically has been
-			// closed, meaning there is nothing to replace.
-			//
-			// sess.infof("node has an open stream(%p), replacing with %p", oldSession, sess)
-			// oldSession.close()
-
-			defer ns.headscale.mapSessionMu.Unlock()
-
-			sess.infof("node has an open stream(%p), rejecting new stream", sess)
-			mapResponseRejected.WithLabelValues("exists").Inc()
-			return
-		}
-
-		ns.headscale.mapSessions[node.ID] = sess
-		mapResponseSessions.Inc()
-		ns.headscale.mapSessionMu.Unlock()
-		sess.tracef("releasing lock to check stream")
-	}
-
-	sess.serve()
-
-	if sess.isStreaming() {
-		sess.tracef("aquiring lock to remove stream")
-		ns.headscale.mapSessionMu.Lock()
-		defer ns.headscale.mapSessionMu.Unlock()
-
-		delete(ns.headscale.mapSessions, node.ID)
-		mapResponseSessions.Dec()
-
-		sess.tracef("releasing lock to remove stream")
+	if !sess.isStreaming() {
+		sess.serve()
+	} else {
+		sess.serveLongPoll()
 	}
 }

hscontrol/notifier/metrics.go

@@ -3,22 +3,43 @@ package notifier
 import (
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
+	"tailscale.com/envknob"
 )
 
 const prometheusNamespace = "headscale"
 
+var debugHighCardinalityMetrics = envknob.Bool("HEADSCALE_DEBUG_HIGH_CARDINALITY_METRICS")
+
+var notifierUpdateSent *prometheus.CounterVec
+
+func init() {
+	if debugHighCardinalityMetrics {
+		notifierUpdateSent = promauto.NewCounterVec(prometheus.CounterOpts{
+			Namespace: prometheusNamespace,
+			Name:      "notifier_update_sent_total",
+			Help:      "total count of update sent on nodes channel",
+		}, []string{"status", "type", "trigger", "id"})
+	} else {
+		notifierUpdateSent = promauto.NewCounterVec(prometheus.CounterOpts{
+			Namespace: prometheusNamespace,
+			Name:      "notifier_update_sent_total",
+			Help:      "total count of update sent on nodes channel",
+		}, []string{"status", "type", "trigger"})
+	}
+}
+
 var (
+	notifierWaitersForLock = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Namespace: prometheusNamespace,
+		Name:      "notifier_waiters_for_lock",
+		Help:      "gauge of waiters for the notifier lock",
+	}, []string{"type", "action"})
 	notifierWaitForLock = promauto.NewHistogramVec(prometheus.HistogramOpts{
 		Namespace: prometheusNamespace,
 		Name:      "notifier_wait_for_lock_seconds",
 		Help:      "histogram of time spent waiting for the notifier lock",
 		Buckets:   []float64{0.001, 0.01, 0.1, 0.3, 0.5, 1, 3, 5, 10},
 	}, []string{"action"})
-	notifierUpdateSent = promauto.NewCounterVec(prometheus.CounterOpts{
-		Namespace: prometheusNamespace,
-		Name:      "notifier_update_sent_total",
-		Help:      "total count of update sent on nodes channel",
-	}, []string{"status", "type", "trigger"})
 	notifierUpdateReceived = promauto.NewCounterVec(prometheus.CounterOpts{
 		Namespace: prometheusNamespace,
 		Name:      "notifier_update_received_total",
@@ -29,4 +50,19 @@ var (
 		Name:      "notifier_open_channels_total",
 		Help:      "total count open channels in notifier",
 	})
+	notifierBatcherWaitersForLock = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Namespace: prometheusNamespace,
+		Name:      "notifier_batcher_waiters_for_lock",
+		Help:      "gauge of waiters for the notifier batcher lock",
+	}, []string{"type", "action"})
+	notifierBatcherChanges = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Namespace: prometheusNamespace,
+		Name:      "notifier_batcher_changes_pending",
+		Help:      "gauge of full changes pending in the notifier batcher",
+	}, []string{})
+	notifierBatcherPatches = promauto.NewGaugeVec(prometheus.GaugeOpts{
+		Namespace: prometheusNamespace,
+		Name:      "notifier_batcher_patches_pending",
+		Help:      "gauge of patches pending in the notifier batcher",
+	}, []string{})
 )

hscontrol/notifier/notifier.go

@@ -11,82 +11,120 @@ import (
 	"github.com/juanfont/headscale/hscontrol/types"
 	"github.com/puzpuzpuz/xsync/v3"
 	"github.com/rs/zerolog/log"
+	"github.com/sasha-s/go-deadlock"
+	"tailscale.com/envknob"
 	"tailscale.com/tailcfg"
 	"tailscale.com/util/set"
 )
 
+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
+	}
+}
+
 type Notifier struct {
-	l         sync.RWMutex
+	l         deadlock.Mutex
 	nodes     map[types.NodeID]chan<- types.StateUpdate
 	connected *xsync.MapOf[types.NodeID, bool]
 	b         *batcher
+	cfg       *types.Config
 }
 
 func NewNotifier(cfg *types.Config) *Notifier {
 	n := &Notifier{
 		nodes:     make(map[types.NodeID]chan<- types.StateUpdate),
 		connected: xsync.NewMapOf[types.NodeID, bool](),
+		cfg:       cfg,
 	}
 	b := newBatcher(cfg.Tuning.BatchChangeDelay, n)
 	n.b = b
-	// TODO(kradalby): clean this up
+
 	go b.doWork()
 	return n
 }
 
-func (n *Notifier) AddNode(nodeID types.NodeID, c chan<- types.StateUpdate) {
-	log.Trace().Caller().Uint64("node.id", nodeID.Uint64()).Msg("acquiring lock to add node")
-	defer log.Trace().
-		Caller().
-		Uint64("node.id", nodeID.Uint64()).
-		Msg("releasing lock to add node")
+// Close stops the batcher inside the notifier.
+func (n *Notifier) Close() {
+	n.b.close()
+}
 
+func (n *Notifier) tracef(nID types.NodeID, msg string, args ...any) {
+	log.Trace().
+		Uint64("node.id", nID.Uint64()).
+		Int("open_chans", len(n.nodes)).Msgf(msg, args...)
+}
+
+func (n *Notifier) AddNode(nodeID types.NodeID, c chan<- types.StateUpdate) {
 	start := time.Now()
+	notifierWaitersForLock.WithLabelValues("lock", "add").Inc()
 	n.l.Lock()
 	defer n.l.Unlock()
+	notifierWaitersForLock.WithLabelValues("lock", "add").Dec()
 	notifierWaitForLock.WithLabelValues("add").Observe(time.Since(start).Seconds())
 
+	// If a channel exists, it means the node has opened a new
+	// connection. Close the old channel and replace it.
+	if curr, ok := n.nodes[nodeID]; ok {
+		n.tracef(nodeID, "channel present, closing and replacing")
+		close(curr)
+	}
+
 	n.nodes[nodeID] = c
 	n.connected.Store(nodeID, true)
 
-	log.Trace().
-		Uint64("node.id", nodeID.Uint64()).
-		Int("open_chans", len(n.nodes)).
-		Msg("Added new channel")
+	n.tracef(nodeID, "added new channel")
 	notifierNodeUpdateChans.Inc()
 }
 
-func (n *Notifier) RemoveNode(nodeID types.NodeID) {
-	log.Trace().Caller().Uint64("node.id", nodeID.Uint64()).Msg("acquiring lock to remove node")
-	defer log.Trace().
-		Caller().
-		Uint64("node.id", nodeID.Uint64()).
-		Msg("releasing lock to remove node")
-
+// RemoveNode removes a node and a given channel from the notifier.
+// It checks that the channel is the same as currently being updated
+// and ignores the removal if it is not.
+// RemoveNode reports if the node/chan was removed.
+func (n *Notifier) RemoveNode(nodeID types.NodeID, c chan<- types.StateUpdate) bool {
 	start := time.Now()
+	notifierWaitersForLock.WithLabelValues("lock", "remove").Inc()
 	n.l.Lock()
 	defer n.l.Unlock()
+	notifierWaitersForLock.WithLabelValues("lock", "remove").Dec()
 	notifierWaitForLock.WithLabelValues("remove").Observe(time.Since(start).Seconds())
 
 	if len(n.nodes) == 0 {
-		return
+		return true
+	}
+
+	// If the channel exist, but it does not belong
+	// to the caller, ignore.
+	if curr, ok := n.nodes[nodeID]; ok {
+		if curr != c {
+			n.tracef(nodeID, "channel has been replaced, not removing")
+			return false
+		}
 	}
 
 	delete(n.nodes, nodeID)
 	n.connected.Store(nodeID, false)
 
-	log.Trace().
-		Uint64("node.id", nodeID.Uint64()).
-		Int("open_chans", len(n.nodes)).
-		Msg("Removed channel")
+	n.tracef(nodeID, "removed channel")
 	notifierNodeUpdateChans.Dec()
+
+	return true
 }
 
 // IsConnected reports if a node is connected to headscale and has a
 // poll session open.
 func (n *Notifier) IsConnected(nodeID types.NodeID) bool {
-	n.l.RLock()
-	defer n.l.RUnlock()
+	notifierWaitersForLock.WithLabelValues("lock", "conncheck").Inc()
+	n.l.Lock()
+	defer n.l.Unlock()
+	notifierWaitersForLock.WithLabelValues("lock", "conncheck").Dec()
 
 	if val, ok := n.connected.Load(nodeID); ok {
 		return val
@@ -125,15 +163,11 @@ func (n *Notifier) NotifyByNodeID(
 	update types.StateUpdate,
 	nodeID types.NodeID,
 ) {
-	log.Trace().Caller().Str("type", update.Type.String()).Msg("acquiring lock to notify")
-	defer log.Trace().
-		Caller().
-		Str("type", update.Type.String()).
-		Msg("releasing lock, finished notifying")
-
 	start := time.Now()
-	n.l.RLock()
-	defer n.l.RUnlock()
+	notifierWaitersForLock.WithLabelValues("lock", "notify").Inc()
+	n.l.Lock()
+	defer n.l.Unlock()
+	notifierWaitersForLock.WithLabelValues("lock", "notify").Dec()
 	notifierWaitForLock.WithLabelValues("notify").Observe(time.Since(start).Seconds())
 
 	if c, ok := n.nodes[nodeID]; ok {
@@ -145,50 +179,94 @@ func (n *Notifier) NotifyByNodeID(
 				Any("origin", types.NotifyOriginKey.Value(ctx)).
 				Any("origin-hostname", types.NotifyHostnameKey.Value(ctx)).
 				Msgf("update not sent, context cancelled")
-			notifierUpdateSent.WithLabelValues("cancelled", update.Type.String(), types.NotifyOriginKey.Value(ctx)).Inc()
+			if debugHighCardinalityMetrics {
+				notifierUpdateSent.WithLabelValues("cancelled", update.Type.String(), types.NotifyOriginKey.Value(ctx), nodeID.String()).Inc()
+			} else {
+				notifierUpdateSent.WithLabelValues("cancelled", update.Type.String(), types.NotifyOriginKey.Value(ctx)).Inc()
+			}
 
 			return
 		case c <- update:
-			log.Trace().
-				Uint64("node.id", nodeID.Uint64()).
-				Any("origin", ctx.Value("origin")).
-				Any("origin-hostname", ctx.Value("hostname")).
-				Msgf("update successfully sent on chan")
-			notifierUpdateSent.WithLabelValues("ok", update.Type.String(), types.NotifyOriginKey.Value(ctx)).Inc()
+			n.tracef(nodeID, "update successfully sent on chan, origin: %s, origin-hostname: %s", ctx.Value("origin"), ctx.Value("hostname"))
+			if debugHighCardinalityMetrics {
+				notifierUpdateSent.WithLabelValues("ok", update.Type.String(), types.NotifyOriginKey.Value(ctx), nodeID.String()).Inc()
+			} else {
+				notifierUpdateSent.WithLabelValues("ok", update.Type.String(), types.NotifyOriginKey.Value(ctx)).Inc()
+			}
 		}
 	}
 }
 
 func (n *Notifier) sendAll(update types.StateUpdate) {
 	start := time.Now()
-	n.l.RLock()
-	defer n.l.RUnlock()
+	notifierWaitersForLock.WithLabelValues("lock", "send-all").Inc()
+	n.l.Lock()
+	defer n.l.Unlock()
+	notifierWaitersForLock.WithLabelValues("lock", "send-all").Dec()
 	notifierWaitForLock.WithLabelValues("send-all").Observe(time.Since(start).Seconds())
 
-	for _, c := range n.nodes {
-		c <- update
-		notifierUpdateSent.WithLabelValues("ok", update.Type.String(), "send-all").Inc()
+	for id, c := range n.nodes {
+		// Whenever an update is sent to all nodes, there is a chance that the node
+		// has disconnected and the goroutine that was supposed to consume the update
+		// has shut down the channel and is waiting for the lock held here in RemoveNode.
+		// This means that there is potential for a deadlock which would stop all updates
+		// going out to clients. This timeout prevents that from happening by moving on to the
+		// next node if the context is cancelled. Afther sendAll releases the lock, the add/remove
+		// call will succeed and the update will go to the correct nodes on the next call.
+		ctx, cancel := context.WithTimeout(context.Background(), n.cfg.Tuning.NotifierSendTimeout)
+		defer cancel()
+		select {
+		case <-ctx.Done():
+			log.Error().
+				Err(ctx.Err()).
+				Uint64("node.id", id.Uint64()).
+				Msgf("update not sent, context cancelled")
+			if debugHighCardinalityMetrics {
+				notifierUpdateSent.WithLabelValues("cancelled", update.Type.String(), "send-all", id.String()).Inc()
+			} else {
+				notifierUpdateSent.WithLabelValues("cancelled", update.Type.String(), "send-all").Inc()
+			}
+
+			return
+		case c <- update:
+			if debugHighCardinalityMetrics {
+				notifierUpdateSent.WithLabelValues("ok", update.Type.String(), "send-all", id.String()).Inc()
+			} else {
+				notifierUpdateSent.WithLabelValues("ok", update.Type.String(), "send-all").Inc()
+			}
+		}
 	}
 }
 
 func (n *Notifier) String() string {
-	n.l.RLock()
-	defer n.l.RUnlock()
+	notifierWaitersForLock.WithLabelValues("lock", "string").Inc()
+	n.l.Lock()
+	defer n.l.Unlock()
+	notifierWaitersForLock.WithLabelValues("lock", "string").Dec()
 
 	var b strings.Builder
-	b.WriteString("chans:\n")
+	fmt.Fprintf(&b, "chans (%d):\n", len(n.nodes))
 
-	for k, v := range n.nodes {
-		fmt.Fprintf(&b, "\t%d: %p\n", k, v)
+	var keys []types.NodeID
+	n.connected.Range(func(key types.NodeID, value bool) bool {
+		keys = append(keys, key)
+		return true
+	})
+	sort.Slice(keys, func(i, j int) bool {
+		return keys[i] < keys[j]
+	})
+
+	for _, key := range keys {
+		fmt.Fprintf(&b, "\t%d: %p\n", key, n.nodes[key])
 	}
 
 	b.WriteString("\n")
-	b.WriteString("connected:\n")
+	fmt.Fprintf(&b, "connected (%d):\n", len(n.nodes))
 
-	n.connected.Range(func(k types.NodeID, v bool) bool {
-		fmt.Fprintf(&b, "\t%d: %t\n", k, v)
-		return true
-	})
+	for _, key := range keys {
+		val, _ := n.connected.Load(key)
+		fmt.Fprintf(&b, "\t%d: %t\n", key, val)
+	}
 
 	return b.String()
 }
@@ -215,7 +293,6 @@ func newBatcher(batchTime time.Duration, n *Notifier) *batcher {
 		patches:  make(map[types.NodeID]tailcfg.PeerChange),
 		n:        n,
 	}
-
 }
 
 func (b *batcher) close() {
@@ -225,13 +302,16 @@ func (b *batcher) close() {
 // addOrPassthrough adds the update to the batcher, if it is not a
 // type that is currently batched, it will be sent immediately.
 func (b *batcher) addOrPassthrough(update types.StateUpdate) {
+	notifierBatcherWaitersForLock.WithLabelValues("lock", "add").Inc()
 	b.mu.Lock()
 	defer b.mu.Unlock()
+	notifierBatcherWaitersForLock.WithLabelValues("lock", "add").Dec()
 
 	switch update.Type {
 	case types.StatePeerChanged:
 		b.changedNodeIDs.Add(update.ChangeNodes...)
 		b.nodesChanged = true
+		notifierBatcherChanges.WithLabelValues().Set(float64(b.changedNodeIDs.Len()))
 
 	case types.StatePeerChangedPatch:
 		for _, newPatch := range update.ChangePatches {
@@ -243,6 +323,7 @@ func (b *batcher) addOrPassthrough(update types.StateUpdate) {
 			}
 		}
 		b.patchesChanged = true
+		notifierBatcherPatches.WithLabelValues().Set(float64(len(b.patches)))
 
 	default:
 		b.n.sendAll(update)
@@ -252,8 +333,10 @@ func (b *batcher) addOrPassthrough(update types.StateUpdate) {
 // flush sends all the accumulated patches to all
 // nodes in the notifier.
 func (b *batcher) flush() {
+	notifierBatcherWaitersForLock.WithLabelValues("lock", "flush").Inc()
 	b.mu.Lock()
 	defer b.mu.Unlock()
+	notifierBatcherWaitersForLock.WithLabelValues("lock", "flush").Dec()
 
 	if b.nodesChanged || b.patchesChanged {
 		var patches []*tailcfg.PeerChange
@@ -291,8 +374,10 @@ func (b *batcher) flush() {
 		}
 
 		b.changedNodeIDs = set.Slice[types.NodeID]{}
+		notifierBatcherChanges.WithLabelValues().Set(0)
 		b.nodesChanged = false
 		b.patches = make(map[types.NodeID]tailcfg.PeerChange, len(b.patches))
+		notifierBatcherPatches.WithLabelValues().Set(0)
 		b.patchesChanged = false
 	}
 }
@@ -309,7 +394,7 @@ func (b *batcher) doWork() {
 }
 
 // overwritePatch takes the current patch and a newer patch
-// and override any field that has changed
+// and override any field that has changed.
 func overwritePatch(currPatch, newPatch *tailcfg.PeerChange) {
 	if newPatch.DERPRegion != 0 {
 		currPatch.DERPRegion = newPatch.DERPRegion
@@ -350,8 +435,4 @@ func overwritePatch(currPatch, newPatch *tailcfg.PeerChange) {
 	if newPatch.KeyExpiry != nil {
 		currPatch.KeyExpiry = newPatch.KeyExpiry
 	}
-
-	if newPatch.Capabilities != nil {
-		currPatch.Capabilities = newPatch.Capabilities
-	}
 }

hscontrol/notifier/notifier_test.go

@@ -3,6 +3,7 @@ package notifier
 import (
 	"context"
 	"net/netip"
+	"sort"
 	"testing"
 	"time"
 
@@ -221,13 +222,18 @@ func TestBatcher(t *testing.T) {
 					// We will call flush manually for the tests,
 					// so do not run the worker.
 					BatchChangeDelay: time.Hour,
+
+					// Since we do not load the config, we wont get the
+					// default, so set it manually so we dont time out
+					// and have flakes.
+					NotifierSendTimeout: time.Second,
 				},
 			})
 
 			ch := make(chan types.StateUpdate, 30)
 			defer close(ch)
 			n.AddNode(1, ch)
-			defer n.RemoveNode(1)
+			defer n.RemoveNode(1, ch)
 
 			for _, u := range tt.updates {
 				n.NotifyAll(context.Background(), u)
@@ -241,6 +247,16 @@ func TestBatcher(t *testing.T) {
 				got = append(got, out)
 			}
 
+			// Make the inner order stable for comparison.
+			for _, u := range got {
+				sort.Slice(u.ChangeNodes, func(i, j int) bool {
+					return u.ChangeNodes[i] < u.ChangeNodes[j]
+				})
+				sort.Slice(u.ChangePatches, func(i, j int) bool {
+					return u.ChangePatches[i].NodeID < u.ChangePatches[j].NodeID
+				})
+			}
+
 			if diff := cmp.Diff(tt.want, got, util.Comparers...); diff != "" {
 				t.Errorf("batcher() unexpected result (-want +got):\n%s", diff)
 			}

hscontrol/oidc.go

@@ -10,6 +10,7 @@ import (
 	"fmt"
 	"html/template"
 	"net/http"
+	"slices"
 	"strings"
 	"time"
 
@@ -56,7 +57,6 @@ func (h *Headscale) initOIDC() error {
 	// grab oidc config if it hasn't been already
 	if h.oauth2Config == nil {
 		h.oidcProvider, err = oidc.NewProvider(context.Background(), h.cfg.OIDC.Issuer)
-
 		if err != nil {
 			return fmt.Errorf("creating OIDC provider from issuer config: %w", err)
 		}
@@ -365,7 +365,7 @@ func validateOIDCAllowedDomains(
 ) error {
 	if len(allowedDomains) > 0 {
 		if at := strings.LastIndex(claims.Email, "@"); at < 0 ||
-			!util.IsStringInSlice(allowedDomains, claims.Email[at+1:]) {
+			!slices.Contains(allowedDomains, claims.Email[at+1:]) {
 			log.Trace().Msg("authenticated principal does not match any allowed domain")
 
 			writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
@@ -393,7 +393,7 @@ func validateOIDCAllowedGroups(
 ) error {
 	if len(allowedGroups) > 0 {
 		for _, group := range allowedGroups {
-			if util.IsStringInSlice(claims.Groups, group) {
+			if slices.Contains(claims.Groups, group) {
 				return nil
 			}
 		}
@@ -420,7 +420,7 @@ func validateOIDCAllowedUsers(
 	claims *IDTokenClaims,
 ) error {
 	if len(allowedUsers) > 0 &&
-		!util.IsStringInSlice(allowedUsers, claims.Email) {
+		!slices.Contains(allowedUsers, claims.Email) {
 		log.Trace().Msg("authenticated principal does not match any allowed user")
 		writer.Header().Set("Content-Type", "text/plain; charset=utf-8")
 		writer.WriteHeader(http.StatusBadRequest)

hscontrol/policy/acls.go

@@ -7,7 +7,6 @@ import (
 	"io"
 	"net/netip"
 	"os"
-	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
@@ -17,7 +16,6 @@ import (
 	"github.com/rs/zerolog/log"
 	"github.com/tailscale/hujson"
 	"go4.org/netipx"
-	"gopkg.in/yaml.v3"
 	"tailscale.com/tailcfg"
 )
 
@@ -108,35 +106,22 @@ func LoadACLPolicyFromPath(path string) (*ACLPolicy, error) {
 		Bytes("file", policyBytes).
 		Msg("Loading ACLs")
 
-	switch filepath.Ext(path) {
-	case ".yml", ".yaml":
-		return LoadACLPolicyFromBytes(policyBytes, "yaml")
-	}
-
-	return LoadACLPolicyFromBytes(policyBytes, "hujson")
+	return LoadACLPolicyFromBytes(policyBytes)
 }
 
-func LoadACLPolicyFromBytes(acl []byte, format string) (*ACLPolicy, error) {
+func LoadACLPolicyFromBytes(acl []byte) (*ACLPolicy, error) {
 	var policy ACLPolicy
-	switch format {
-	case "yaml":
-		err := yaml.Unmarshal(acl, &policy)
-		if err != nil {
-			return nil, err
-		}
 
-	default:
-		ast, err := hujson.Parse(acl)
-		if err != nil {
-			return nil, err
-		}
+	ast, err := hujson.Parse(acl)
+	if err != nil {
+		return nil, fmt.Errorf("parsing hujson, err: %w", err)
+	}
 
-		ast.Standardize()
-		acl = ast.Pack()
-		err = json.Unmarshal(acl, &policy)
-		if err != nil {
-			return nil, err
-		}
+	ast.Standardize()
+	acl = ast.Pack()
+
+	if err := json.Unmarshal(acl, &policy); err != nil {
+		return nil, fmt.Errorf("unmarshalling policy, err: %w", err)
 	}
 
 	if policy.IsZero() {
@@ -180,14 +165,14 @@ func (pol *ACLPolicy) CompileFilterRules(
 		return tailcfg.FilterAllowAll, nil
 	}
 
-	rules := []tailcfg.FilterRule{}
+	var rules []tailcfg.FilterRule
 
 	for index, acl := range pol.ACLs {
 		if acl.Action != "accept" {
 			return nil, ErrInvalidAction
 		}
 
-		srcIPs := []string{}
+		var srcIPs []string
 		for srcIndex, src := range acl.Sources {
 			srcs, err := pol.expandSource(src, nodes)
 			if err != nil {
@@ -221,7 +206,7 @@ func (pol *ACLPolicy) CompileFilterRules(
 				return nil, err
 			}
 
-			dests := []tailcfg.NetPortRange{}
+			var dests []tailcfg.NetPortRange
 			for _, dest := range expanded.Prefixes() {
 				for _, port := range *ports {
 					pr := tailcfg.NetPortRange{
@@ -251,8 +236,7 @@ func ReduceFilterRules(node *types.Node, rules []tailcfg.FilterRule) []tailcfg.F
 
 	for _, rule := range rules {
 		// record if the rule is actually relevant for the given node.
-		dests := []tailcfg.NetPortRange{}
-
+		var dests []tailcfg.NetPortRange
 	DEST_LOOP:
 		for _, dest := range rule.DstPorts {
 			expanded, err := util.ParseIPSet(dest.IP, nil)
@@ -301,7 +285,7 @@ func (pol *ACLPolicy) CompileSSHPolicy(
 		return nil, nil
 	}
 
-	rules := []*tailcfg.SSHRule{}
+	var rules []*tailcfg.SSHRule
 
 	acceptAction := tailcfg.SSHAction{
 		Message:                  "",
@@ -533,8 +517,7 @@ func (pol *ACLPolicy) expandSource(
 		return []string{}, err
 	}
 
-	prefixes := []string{}
-
+	var prefixes []string
 	for _, prefix := range ipSet.Prefixes() {
 		prefixes = append(prefixes, prefix.String())
 	}
@@ -615,8 +598,8 @@ func excludeCorrectlyTaggedNodes(
 	nodes types.Nodes,
 	user string,
 ) types.Nodes {
-	out := types.Nodes{}
-	tags := []string{}
+	var out types.Nodes
+	var tags []string
 	for tag := range aclPolicy.TagOwners {
 		owners, _ := expandOwnersFromTag(aclPolicy, user)
 		ns := append(owners, user)
@@ -661,7 +644,7 @@ func expandPorts(portsStr string, isWild bool) (*[]tailcfg.PortRange, error) {
 		return nil, ErrWildcardIsNeeded
 	}
 
-	ports := []tailcfg.PortRange{}
+	var ports []tailcfg.PortRange
 	for _, portStr := range strings.Split(portsStr, ",") {
 		log.Trace().Msgf("parsing portstring: %s", portStr)
 		rang := strings.Split(portStr, "-")
@@ -737,7 +720,7 @@ func expandOwnersFromTag(
 func (pol *ACLPolicy) expandUsersFromGroup(
 	group string,
 ) ([]string, error) {
-	users := []string{}
+	var users []string
 	log.Trace().Caller().Interface("pol", pol).Msg("test")
 	aclGroups, ok := pol.Groups[group]
 	if !ok {
@@ -772,7 +755,7 @@ func (pol *ACLPolicy) expandIPsFromGroup(
 	group string,
 	nodes types.Nodes,
 ) (*netipx.IPSet, error) {
-	build := netipx.IPSetBuilder{}
+	var build netipx.IPSetBuilder
 
 	users, err := pol.expandUsersFromGroup(group)
 	if err != nil {
@@ -792,7 +775,7 @@ func (pol *ACLPolicy) expandIPsFromTag(
 	alias string,
 	nodes types.Nodes,
 ) (*netipx.IPSet, error) {
-	build := netipx.IPSetBuilder{}
+	var build netipx.IPSetBuilder
 
 	// check for forced tags
 	for _, node := range nodes {
@@ -841,14 +824,14 @@ func (pol *ACLPolicy) expandIPsFromUser(
 	user string,
 	nodes types.Nodes,
 ) (*netipx.IPSet, error) {
-	build := netipx.IPSetBuilder{}
+	var build netipx.IPSetBuilder
 
 	filteredNodes := filterNodesByUser(nodes, user)
 	filteredNodes = excludeCorrectlyTaggedNodes(pol, filteredNodes, user)
 
 	// shortcurcuit if we have no nodes to get ips from.
 	if len(filteredNodes) == 0 {
-		return nil, nil //nolint
+		return nil, nil // nolint
 	}
 
 	for _, node := range filteredNodes {
@@ -866,7 +849,7 @@ func (pol *ACLPolicy) expandIPsFromSingleIP(
 
 	matches := nodes.FilterByIP(ip)
 
-	build := netipx.IPSetBuilder{}
+	var build netipx.IPSetBuilder
 	build.Add(ip)
 
 	for _, node := range matches {
@@ -881,7 +864,7 @@ func (pol *ACLPolicy) expandIPsFromIPPrefix(
 	nodes types.Nodes,
 ) (*netipx.IPSet, error) {
 	log.Trace().Str("prefix", prefix.String()).Msg("expandAlias got prefix")
-	build := netipx.IPSetBuilder{}
+	var build netipx.IPSetBuilder
 	build.AddPrefix(prefix)
 
 	// This is suboptimal and quite expensive, but if we only add the prefix, we will miss all the relevant IPv6
@@ -931,8 +914,8 @@ func isAutoGroup(str string) bool {
 func (pol *ACLPolicy) TagsOfNode(
 	node *types.Node,
 ) ([]string, []string) {
-	validTags := make([]string, 0)
-	invalidTags := make([]string, 0)
+	var validTags []string
+	var invalidTags []string
 
 	// TODO(kradalby): Why is this sometimes nil? coming from tailNode?
 	if node == nil {
@@ -973,7 +956,7 @@ func (pol *ACLPolicy) TagsOfNode(
 }
 
 func filterNodesByUser(nodes types.Nodes, user string) types.Nodes {
-	out := types.Nodes{}
+	var out types.Nodes
 	for _, node := range nodes {
 		if node.User.Name == user {
 			out = append(out, node)
@@ -989,7 +972,7 @@ func FilterNodesByACL(
 	nodes types.Nodes,
 	filter []tailcfg.FilterRule,
 ) types.Nodes {
-	result := types.Nodes{}
+	var result types.Nodes
 
 	for index, peer := range nodes {
 		if peer.ID == node.ID {

hscontrol/policy/acls_test.go

@@ -321,44 +321,27 @@ func TestParsing(t *testing.T) {
 			wantErr: false,
 		},
 		{
-			name:   "port-wildcard-yaml",
-			format: "yaml",
+			name:   "ipv6",
+			format: "hujson",
 			acl: `
----
-hosts:
-  host-1: 100.100.100.100/32
-  subnet-1: 100.100.101.100/24
-acls:
-  - action: accept
-    src:
-      - "*"
-    dst:
-      - host-1:*
-`,
-			want: []tailcfg.FilterRule{
-				{
-					SrcIPs: []string{"0.0.0.0/0", "::/0"},
-					DstPorts: []tailcfg.NetPortRange{
-						{IP: "100.100.100.100/32", Ports: tailcfg.PortRangeAny},
-					},
-				},
-			},
-			wantErr: false,
-		},
+{
+	"hosts": {
+		"host-1": "100.100.100.100/32",
+		"subnet-1": "100.100.101.100/24",
+	},
+
+	"acls": [
 		{
-			name:   "ipv6-yaml",
-			format: "yaml",
-			acl: `
----
-hosts:
-  host-1: 100.100.100.100/32
-  subnet-1: 100.100.101.100/24
-acls:
-  - action: accept
-    src:
-      - "*"
-    dst:
-      - host-1:*
+			"action": "accept",
+			"src": [
+				"*",
+			],
+			"dst": [
+				"host-1:*",
+			],
+		},
+	],
+}			
 `,
 			want: []tailcfg.FilterRule{
 				{
@@ -374,7 +357,7 @@ acls:
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			pol, err := LoadACLPolicyFromBytes([]byte(tt.acl), tt.format)
+			pol, err := LoadACLPolicyFromBytes([]byte(tt.acl))
 
 			if tt.wantErr && err == nil {
 				t.Errorf("parsing() error = %v, wantErr %v", err, tt.wantErr)
@@ -532,7 +515,7 @@ func (s *Suite) TestRuleInvalidGeneration(c *check.C) {
 				"example-host-2:80"
 			],
 			"deny": [
-				"exapmle-host-2:100"
+				"example-host-2:100"
 			],
 		},
 		{
@@ -544,7 +527,7 @@ func (s *Suite) TestRuleInvalidGeneration(c *check.C) {
 	],
 }
 	`)
-	pol, err := LoadACLPolicyFromBytes(acl, "hujson")
+	pol, err := LoadACLPolicyFromBytes(acl)
 	c.Assert(pol.ACLs, check.HasLen, 6)
 	c.Assert(err, check.IsNil)
 
@@ -635,7 +618,7 @@ func Test_expandGroup(t *testing.T) {
 			wantErr: false,
 		},
 		{
-			name: "InexistantGroup",
+			name: "InexistentGroup",
 			field: field{
 				pol: ACLPolicy{
 					Groups: Groups{
@@ -943,7 +926,7 @@ func Test_listNodesInUser(t *testing.T) {
 				},
 				user: "mickael",
 			},
-			want: types.Nodes{},
+			want: nil,
 		},
 	}
 	for _, test := range tests {
@@ -1645,7 +1628,7 @@ func TestACLPolicy_generateFilterRules(t *testing.T) {
 			name:    "no-policy",
 			field:   field{},
 			args:    args{},
-			want:    []tailcfg.FilterRule{},
+			want:    nil,
 			wantErr: false,
 		},
 		{
@@ -1799,7 +1782,7 @@ var tsExitNodeDest = []tailcfg.NetPortRange{
 }
 
 // hsExitNodeDest is the list of destination IP ranges that are allowed when
-// we use headscale "autogroup:internet"
+// we use headscale "autogroup:internet".
 var hsExitNodeDest = []tailcfg.NetPortRange{
 	{IP: "0.0.0.0/5", Ports: tailcfg.PortRangeAny},
 	{IP: "8.0.0.0/7", Ports: tailcfg.PortRangeAny},
@@ -1856,7 +1839,7 @@ func TestTheInternet(t *testing.T) {
 
 	internetPrefs := internetSet.Prefixes()
 
-	for i, _ := range internetPrefs {
+	for i := range internetPrefs {
 		if internetPrefs[i].String() != hsExitNodeDest[i].IP {
 			t.Errorf("prefix from internet set %q != hsExit list %q", internetPrefs[i].String(), hsExitNodeDest[i].IP)
 		}
@@ -2604,7 +2587,7 @@ func Test_getFilteredByACLPeers(t *testing.T) {
 		{
 			name: "all hosts can talk to each other",
 			args: args{
-				nodes: types.Nodes{ // list of all nodess in the database
+				nodes: types.Nodes{ // list of all nodes in the database
 					&types.Node{
 						ID:   1,
 						IPv4: iap("100.64.0.1"),
@@ -2651,7 +2634,7 @@ func Test_getFilteredByACLPeers(t *testing.T) {
 		{
 			name: "One host can talk to another, but not all hosts",
 			args: args{
-				nodes: types.Nodes{ // list of all nodess in the database
+				nodes: types.Nodes{ // list of all nodes in the database
 					&types.Node{
 						ID:   1,
 						IPv4: iap("100.64.0.1"),
@@ -2693,7 +2676,7 @@ func Test_getFilteredByACLPeers(t *testing.T) {
 		{
 			name: "host cannot directly talk to destination, but return path is authorized",
 			args: args{
-				nodes: types.Nodes{ // list of all nodess in the database
+				nodes: types.Nodes{ // list of all nodes in the database
 					&types.Node{
 						ID:   1,
 						IPv4: iap("100.64.0.1"),
@@ -2735,7 +2718,7 @@ func Test_getFilteredByACLPeers(t *testing.T) {
 		{
 			name: "rules allows all hosts to reach one destination",
 			args: args{
-				nodes: types.Nodes{ // list of all nodess in the database
+				nodes: types.Nodes{ // list of all nodes in the database
 					&types.Node{
 						ID:   1,
 						IPv4: iap("100.64.0.1"),
@@ -2777,7 +2760,7 @@ func Test_getFilteredByACLPeers(t *testing.T) {
 		{
 			name: "rules allows all hosts to reach one destination, destination can reach all hosts",
 			args: args{
-				nodes: types.Nodes{ // list of all nodess in the database
+				nodes: types.Nodes{ // list of all nodes in the database
 					&types.Node{
 						ID:   1,
 						IPv4: iap("100.64.0.1"),
@@ -2824,7 +2807,7 @@ func Test_getFilteredByACLPeers(t *testing.T) {
 		{
 			name: "rule allows all hosts to reach all destinations",
 			args: args{
-				nodes: types.Nodes{ // list of all nodess in the database
+				nodes: types.Nodes{ // list of all nodes in the database
 					&types.Node{
 						ID:   1,
 						IPv4: iap("100.64.0.1"),
@@ -2871,7 +2854,7 @@ func Test_getFilteredByACLPeers(t *testing.T) {
 		{
 			name: "without rule all communications are forbidden",
 			args: args{
-				nodes: types.Nodes{ // list of all nodess in the database
+				nodes: types.Nodes{ // list of all nodes in the database
 					&types.Node{
 						ID:   1,
 						IPv4: iap("100.64.0.1"),
@@ -2896,7 +2879,7 @@ func Test_getFilteredByACLPeers(t *testing.T) {
 					User: types.User{Name: "marc"},
 				},
 			},
-			want: types.Nodes{},
+			want: nil,
 		},
 		{
 			// Investigating 699
@@ -3426,7 +3409,7 @@ func TestSSHRules(t *testing.T) {
 					},
 				},
 			},
-			want: &tailcfg.SSHPolicy{Rules: []*tailcfg.SSHRule{}},
+			want: &tailcfg.SSHPolicy{Rules: nil},
 		},
 	}
 

hscontrol/policy/acls_types.go

@@ -6,26 +6,25 @@ import (
 	"strings"
 
 	"github.com/tailscale/hujson"
-	"gopkg.in/yaml.v3"
 )
 
 // ACLPolicy represents a Tailscale ACL Policy.
 type ACLPolicy struct {
-	Groups        Groups        `json:"groups"        yaml:"groups"`
-	Hosts         Hosts         `json:"hosts"         yaml:"hosts"`
-	TagOwners     TagOwners     `json:"tagOwners"     yaml:"tagOwners"`
-	ACLs          []ACL         `json:"acls"          yaml:"acls"`
-	Tests         []ACLTest     `json:"tests"         yaml:"tests"`
-	AutoApprovers AutoApprovers `json:"autoApprovers" yaml:"autoApprovers"`
-	SSHs          []SSH         `json:"ssh"           yaml:"ssh"`
+	Groups        Groups        `json:"groups"`
+	Hosts         Hosts         `json:"hosts"`
+	TagOwners     TagOwners     `json:"tagOwners"`
+	ACLs          []ACL         `json:"acls"`
+	Tests         []ACLTest     `json:"tests"`
+	AutoApprovers AutoApprovers `json:"autoApprovers"`
+	SSHs          []SSH         `json:"ssh"`
 }
 
 // ACL is a basic rule for the ACL Policy.
 type ACL struct {
-	Action       string   `json:"action" yaml:"action"`
-	Protocol     string   `json:"proto"  yaml:"proto"`
-	Sources      []string `json:"src"    yaml:"src"`
-	Destinations []string `json:"dst"    yaml:"dst"`
+	Action       string   `json:"action"`
+	Protocol     string   `json:"proto"`
+	Sources      []string `json:"src"`
+	Destinations []string `json:"dst"`
 }
 
 // Groups references a series of alias in the ACL rules.
@@ -37,27 +36,27 @@ type Hosts map[string]netip.Prefix
 // TagOwners specify what users (users?) are allow to use certain tags.
 type TagOwners map[string][]string
 
-// ACLTest is not implemented, but should be use to check if a certain rule is allowed.
+// ACLTest is not implemented, but should be used to check if a certain rule is allowed.
 type ACLTest struct {
-	Source string   `json:"src"            yaml:"src"`
-	Accept []string `json:"accept"         yaml:"accept"`
-	Deny   []string `json:"deny,omitempty" yaml:"deny,omitempty"`
+	Source string   `json:"src"`
+	Accept []string `json:"accept"`
+	Deny   []string `json:"deny,omitempty"`
 }
 
 // AutoApprovers specify which users (users?), groups or tags have their advertised routes
 // or exit node status automatically enabled.
 type AutoApprovers struct {
-	Routes   map[string][]string `json:"routes"   yaml:"routes"`
-	ExitNode []string            `json:"exitNode" yaml:"exitNode"`
+	Routes   map[string][]string `json:"routes"`
+	ExitNode []string            `json:"exitNode"`
 }
 
 // SSH controls who can ssh into which machines.
 type SSH struct {
-	Action       string   `json:"action"                yaml:"action"`
-	Sources      []string `json:"src"                   yaml:"src"`
-	Destinations []string `json:"dst"                   yaml:"dst"`
-	Users        []string `json:"users"                 yaml:"users"`
-	CheckPeriod  string   `json:"checkPeriod,omitempty" yaml:"checkPeriod,omitempty"`
+	Action       string   `json:"action"`
+	Sources      []string `json:"src"`
+	Destinations []string `json:"dst"`
+	Users        []string `json:"users"`
+	CheckPeriod  string   `json:"checkPeriod,omitempty"`
 }
 
 // UnmarshalJSON allows to parse the Hosts directly into netip objects.
@@ -89,27 +88,6 @@ func (hosts *Hosts) UnmarshalJSON(data []byte) error {
 	return nil
 }
 
-// UnmarshalYAML allows to parse the Hosts directly into netip objects.
-func (hosts *Hosts) UnmarshalYAML(data []byte) error {
-	newHosts := Hosts{}
-	hostIPPrefixMap := make(map[string]string)
-
-	err := yaml.Unmarshal(data, &hostIPPrefixMap)
-	if err != nil {
-		return err
-	}
-	for host, prefixStr := range hostIPPrefixMap {
-		prefix, err := netip.ParsePrefix(prefixStr)
-		if err != nil {
-			return err
-		}
-		newHosts[host] = prefix
-	}
-	*hosts = newHosts
-
-	return nil
-}
-
 // IsZero is perhaps a bit naive here.
 func (pol ACLPolicy) IsZero() bool {
 	if len(pol.Groups) == 0 && len(pol.Hosts) == 0 && len(pol.ACLs) == 0 {
@@ -119,7 +97,7 @@ func (pol ACLPolicy) IsZero() bool {
 	return false
 }
 
-// Returns the list of autoApproving users, groups or tags for a given IPPrefix.
+// GetRouteApprovers returns the list of autoApproving users, groups or tags for a given IPPrefix.
 func (autoApprovers *AutoApprovers) GetRouteApprovers(
 	prefix netip.Prefix,
 ) ([]string, error) {
@@ -127,7 +105,7 @@ func (autoApprovers *AutoApprovers) GetRouteApprovers(
 		return autoApprovers.ExitNode, nil // 0.0.0.0/0, ::/0 or equivalent
 	}
 
-	approverAliases := []string{}
+	approverAliases := make([]string, 0)
 
 	for autoApprovedPrefix, autoApproverAliases := range autoApprovers.Routes {
 		autoApprovedPrefix, err := netip.ParsePrefix(autoApprovedPrefix)

hscontrol/poll.go

@@ -9,13 +9,13 @@ import (
 	"net/netip"
 	"sort"
 	"strings"
-	"sync"
 	"time"
 
 	"github.com/juanfont/headscale/hscontrol/db"
 	"github.com/juanfont/headscale/hscontrol/mapper"
 	"github.com/juanfont/headscale/hscontrol/types"
 	"github.com/rs/zerolog/log"
+	"github.com/sasha-s/go-deadlock"
 	xslices "golang.org/x/exp/slices"
 	"gorm.io/gorm"
 	"tailscale.com/tailcfg"
@@ -29,11 +29,6 @@ type contextKey string
 
 const nodeNameContextKey = contextKey("nodeName")
 
-type sessionManager struct {
-	mu   sync.RWMutex
-	sess map[types.NodeID]*mapSession
-}
-
 type mapSession struct {
 	h      *Headscale
 	req    tailcfg.MapRequest
@@ -41,12 +36,13 @@ type mapSession struct {
 	capVer tailcfg.CapabilityVersion
 	mapper *mapper.Mapper
 
-	serving   bool
-	servingMu sync.Mutex
+	cancelChMu deadlock.Mutex
 
-	ch       chan types.StateUpdate
-	cancelCh chan struct{}
+	ch           chan types.StateUpdate
+	cancelCh     chan struct{}
+	cancelChOpen bool
 
+	keepAlive       time.Duration
 	keepAliveTicker *time.Ticker
 
 	node *types.Node
@@ -77,6 +73,8 @@ func (h *Headscale) newMapSession(
 		}
 	}
 
+	ka := keepAliveInterval + (time.Duration(rand.IntN(9000)) * time.Millisecond)
+
 	return &mapSession{
 		h:      h,
 		ctx:    ctx,
@@ -86,13 +84,12 @@ func (h *Headscale) newMapSession(
 		capVer: req.Version,
 		mapper: h.mapper,
 
-		// serving indicates if a client is being served.
-		serving: false,
+		ch:           updateChan,
+		cancelCh:     make(chan struct{}),
+		cancelChOpen: true,
 
-		ch:       updateChan,
-		cancelCh: make(chan struct{}),
-
-		keepAliveTicker: time.NewTicker(keepAliveInterval + (time.Duration(rand.IntN(9000)) * time.Millisecond)),
+		keepAlive:       ka,
+		keepAliveTicker: nil,
 
 		// Loggers
 		warnf:  warnf,
@@ -103,15 +100,23 @@ func (h *Headscale) newMapSession(
 }
 
 func (m *mapSession) close() {
-	m.servingMu.Lock()
-	defer m.servingMu.Unlock()
-	if !m.serving {
+	m.cancelChMu.Lock()
+	defer m.cancelChMu.Unlock()
+
+	if !m.cancelChOpen {
+		mapResponseClosed.WithLabelValues("chanclosed").Inc()
 		return
 	}
 
-	m.tracef("mapSession (%p) sending message on cancel chan")
-	m.cancelCh <- struct{}{}
-	m.tracef("mapSession (%p) sent message on cancel chan")
+	m.tracef("mapSession (%p) sending message on cancel chan", m)
+	select {
+	case m.cancelCh <- struct{}{}:
+		mapResponseClosed.WithLabelValues("sent").Inc()
+		m.tracef("mapSession (%p) sent message on cancel chan", m)
+	case <-time.After(30 * time.Second):
+		mapResponseClosed.WithLabelValues("timeout").Inc()
+		m.tracef("mapSession (%p) timed out sending close message", m)
+	}
 }
 
 func (m *mapSession) isStreaming() bool {
@@ -126,40 +131,24 @@ func (m *mapSession) isReadOnlyUpdate() bool {
 	return !m.req.Stream && m.req.OmitPeers && m.req.ReadOnly
 }
 
-// handlePoll ensures the node gets the appropriate updates from either
-// polling or immediate responses.
-//
-//nolint:gocyclo
-func (m *mapSession) serve() {
-	// Register with the notifier if this is a streaming
-	// session
-	if m.isStreaming() {
-		// defers are called in reverse order,
-		// so top one is executed last.
+func (m *mapSession) resetKeepAlive() {
+	m.keepAliveTicker.Reset(m.keepAlive)
+}
 
-		// Failover the node's routes if any.
-		defer m.infof("node has disconnected, mapSession: %p", m)
-		defer m.pollFailoverRoutes("node closing connection", m.node)
-
-		defer m.h.updateNodeOnlineStatus(false, m.node)
-		defer m.h.nodeNotifier.RemoveNode(m.node.ID)
-
-		defer func() {
-			m.servingMu.Lock()
-			defer m.servingMu.Unlock()
-
-			m.serving = false
-			close(m.cancelCh)
-		}()
-
-		m.serving = true
-
-		m.h.nodeNotifier.AddNode(m.node.ID, m.ch)
-		m.h.updateNodeOnlineStatus(true, m.node)
-
-		m.infof("node has connected, mapSession: %p", m)
+func (m *mapSession) beforeServeLongPoll() {
+	if m.node.IsEphemeral() {
+		m.h.ephemeralGC.Cancel(m.node.ID)
 	}
+}
 
+func (m *mapSession) afterServeLongPoll() {
+	if m.node.IsEphemeral() {
+		m.h.ephemeralGC.Schedule(m.node.ID, m.h.cfg.EphemeralNodeInactivityTimeout)
+	}
+}
+
+// serve handles non-streaming requests.
+func (m *mapSession) serve() {
 	// TODO(kradalby): A set todos to harden:
 	// - func to tell the stream to die, readonly -> false, !stream && omitpeers -> false, true
 
@@ -195,14 +184,46 @@ func (m *mapSession) serve() {
 
 		return
 	}
+}
+
+// serveLongPoll ensures the node gets the appropriate updates from either
+// polling or immediate responses.
+//
+//nolint:gocyclo
+func (m *mapSession) serveLongPoll() {
+	m.beforeServeLongPoll()
+
+	// Clean up the session when the client disconnects
+	defer func() {
+		m.cancelChMu.Lock()
+		m.cancelChOpen = false
+		close(m.cancelCh)
+		m.cancelChMu.Unlock()
+
+		// only update node status if the node channel was removed.
+		// in principal, it will be removed, but the client rapidly
+		// reconnects, the channel might be of another connection.
+		// In that case, it is not closed and the node is still online.
+		if m.h.nodeNotifier.RemoveNode(m.node.ID, m.ch) {
+			// Failover the node's routes if any.
+			m.h.updateNodeOnlineStatus(false, m.node)
+			m.pollFailoverRoutes("node closing connection", m.node)
+		}
+
+		m.afterServeLongPoll()
+		m.infof("node has disconnected, mapSession: %p, chan: %p", m, m.ch)
+	}()
 
 	// From version 68, all streaming requests can be treated as read only.
+	// TODO: Remove when we drop support for 1.48
 	if m.capVer < 68 {
 		// Error has been handled/written to client in the func
 		// return
 		err := m.handleSaveNode()
 		if err != nil {
 			mapResponseWriteUpdatesInStream.WithLabelValues("error").Inc()
+
+			m.close()
 			return
 		}
 		mapResponseWriteUpdatesInStream.WithLabelValues("ok").Inc()
@@ -224,6 +245,13 @@ func (m *mapSession) serve() {
 	ctx, cancel := context.WithCancel(context.WithValue(m.ctx, nodeNameContextKey, m.node.Hostname))
 	defer cancel()
 
+	m.keepAliveTicker = time.NewTicker(m.keepAlive)
+
+	m.h.nodeNotifier.AddNode(m.node.ID, m.ch)
+	go m.h.updateNodeOnlineStatus(true, m.node)
+
+	m.infof("node has connected, mapSession: %p, chan: %p", m, m.ch)
+
 	// Loop through updates and continuously send them to the
 	// client.
 	for {
@@ -231,13 +259,21 @@ func (m *mapSession) serve() {
 		select {
 		case <-m.cancelCh:
 			m.tracef("poll cancelled received")
-			return
-		case <-ctx.Done():
-			m.tracef("poll context done")
+			mapResponseEnded.WithLabelValues("cancelled").Inc()
 			return
 
-		// Consume all updates sent to node
-		case update := <-m.ch:
+		case <-ctx.Done():
+			m.tracef("poll context done")
+			mapResponseEnded.WithLabelValues("done").Inc()
+			return
+
+		// Consume updates sent to node
+		case update, ok := <-m.ch:
+			if !ok {
+				m.tracef("update channel closed, streaming session is likely being replaced")
+				return
+			}
+
 			m.tracef("received stream update: %s %s", update.Type.String(), update.Message)
 			mapResponseUpdateReceived.WithLabelValues(update.Type.String()).Inc()
 
@@ -303,15 +339,13 @@ func (m *mapSession) serve() {
 				return
 			}
 
-			// log.Trace().Str("node", m.node.Hostname).TimeDiff("timeSpent", time.Now(), startMapResp).Str("mkey", m.node.MachineKey.String()).Int("type", int(update.Type)).Msg("finished making map response")
-
 			// Only send update if there is change
 			if data != nil {
 				startWrite := time.Now()
 				_, err = m.w.Write(data)
 				if err != nil {
 					mapResponseSent.WithLabelValues("error", updateType).Inc()
-					m.errf(err, "Could not write the map response, for mapSession: %p", m)
+					m.errf(err, "could not write the map response(%s), for mapSession: %p", update.Type.String(), m)
 					return
 				}
 
@@ -324,8 +358,12 @@ func (m *mapSession) serve() {
 
 				log.Trace().Str("node", m.node.Hostname).TimeDiff("timeSpent", time.Now(), startWrite).Str("mkey", m.node.MachineKey.String()).Msg("finished writing mapresp to node")
 
+				if debugHighCardinalityMetrics {
+					mapResponseLastSentSeconds.WithLabelValues(updateType, m.node.ID.String()).Set(float64(time.Now().Unix()))
+				}
 				mapResponseSent.WithLabelValues("ok", updateType).Inc()
 				m.tracef("update sent")
+				m.resetKeepAlive()
 			}
 
 		case <-m.keepAliveTicker.C:
@@ -348,6 +386,9 @@ func (m *mapSession) serve() {
 				return
 			}
 
+			if debugHighCardinalityMetrics {
+				mapResponseLastSentSeconds.WithLabelValues("keepalive", m.node.ID.String()).Set(float64(time.Now().Unix()))
+			}
 			mapResponseSent.WithLabelValues("ok", "keepalive").Inc()
 		}
 	}
@@ -404,16 +445,6 @@ func (h *Headscale) updateNodeOnlineStatus(online bool, node *types.Node) {
 	}, node.ID)
 }
 
-func closeChanWithLog[C chan []byte | chan struct{} | chan types.StateUpdate](channel C, node, name string) {
-	log.Trace().
-		Str("handler", "PollNetMap").
-		Str("node", node).
-		Str("channel", "Done").
-		Msg(fmt.Sprintf("Closing %s channel", name))
-
-	close(channel)
-}
-
 func (m *mapSession) handleEndpointUpdate() {
 	m.tracef("received endpoint update")
 
@@ -425,6 +456,17 @@ func (m *mapSession) handleEndpointUpdate() {
 	m.node.ApplyPeerChange(&change)
 
 	sendUpdate, routesChanged := hostInfoChanged(m.node.Hostinfo, m.req.Hostinfo)
+
+	// The node might not set NetInfo if it has not changed and if
+	// the full HostInfo object is overrwritten, the information is lost.
+	// If there is no NetInfo, keep the previous one.
+	// From 1.66 the client only sends it if changed:
+	// https://github.com/tailscale/tailscale/commit/e1011f138737286ecf5123ff887a7a5800d129a2
+	// TODO(kradalby): evaulate if we need better comparing of hostinfo
+	// before we take the changes.
+	if m.req.Hostinfo.NetInfo == nil {
+		m.req.Hostinfo.NetInfo = m.node.Hostinfo.NetInfo
+	}
 	m.node.Hostinfo = m.req.Hostinfo
 
 	logTracePeerChange(m.node.Hostname, sendUpdate, &change)

hscontrol/types/config.go

@@ -38,6 +38,13 @@ const (
 	IPAllocationStrategyRandom     IPAllocationStrategy = "random"
 )
 
+type PolicyMode string
+
+const (
+	PolicyModeDB   = "database"
+	PolicyModeFile = "file"
+)
+
 // Config contains the initial Headscale configuration.
 type Config struct {
 	ServerURL                      string
@@ -63,7 +70,8 @@ type Config struct {
 	ACMEURL   string
 	ACMEEmail string
 
-	DNSConfig *tailcfg.DNSConfig
+	DNSConfig             *tailcfg.DNSConfig
+	DNSUserNameInMagicDNS bool
 
 	UnixSocket           string
 	UnixSocketPermission fs.FileMode
@@ -75,13 +83,14 @@ type Config struct {
 
 	CLI CLIConfig
 
-	ACL ACLConfig
+	Policy PolicyConfig
 
 	Tuning Tuning
 }
 
 type SqliteConfig struct {
-	Path string
+	Path          string
+	WriteAheadLog bool
 }
 
 type PostgresConfig struct {
@@ -161,8 +170,9 @@ type CLIConfig struct {
 	Insecure bool
 }
 
-type ACLConfig struct {
-	PolicyPath string
+type PolicyConfig struct {
+	Path string
+	Mode PolicyMode
 }
 
 type LogConfig struct {
@@ -171,6 +181,7 @@ type LogConfig struct {
 }
 
 type Tuning struct {
+	NotifierSendTimeout            time.Duration
 	BatchChangeDelay               time.Duration
 	NodeMapSessionBufferedChanSize int
 }
@@ -194,6 +205,8 @@ func LoadConfig(path string, isFile bool) error {
 	viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
 	viper.AutomaticEnv()
 
+	viper.SetDefault("policy.mode", "file")
+
 	viper.SetDefault("tls_letsencrypt_cache_dir", "/var/www/.cache")
 	viper.SetDefault("tls_letsencrypt_challenge_type", HTTP01ChallengeType)
 
@@ -202,6 +215,7 @@ func LoadConfig(path string, isFile bool) error {
 
 	viper.SetDefault("dns_config", nil)
 	viper.SetDefault("dns_config.override_local_dns", true)
+	viper.SetDefault("dns_config.use_username_in_magic_dns", false)
 
 	viper.SetDefault("derp.server.enabled", false)
 	viper.SetDefault("derp.server.stun.enabled", true)
@@ -221,6 +235,8 @@ func LoadConfig(path string, isFile bool) error {
 	viper.SetDefault("database.postgres.max_idle_conns", 10)
 	viper.SetDefault("database.postgres.conn_max_idle_time_secs", 3600)
 
+	viper.SetDefault("database.sqlite.write_ahead_log", true)
+
 	viper.SetDefault("oidc.scope", []string{oidc.ScopeOpenID, "profile", "email"})
 	viper.SetDefault("oidc.strip_email_domain", true)
 	viper.SetDefault("oidc.only_start_if_oidc_is_available", true)
@@ -232,6 +248,7 @@ func LoadConfig(path string, isFile bool) error {
 
 	viper.SetDefault("ephemeral_node_inactivity_timeout", "120s")
 
+	viper.SetDefault("tuning.notifier_send_timeout", "800ms")
 	viper.SetDefault("tuning.batch_change_delay", "800ms")
 	viper.SetDefault("tuning.node_mapsession_buffered_chan_size", 30)
 
@@ -247,6 +264,13 @@ func LoadConfig(path string, isFile bool) error {
 		return fmt.Errorf("fatal error reading config file: %w", err)
 	}
 
+	// Register aliases for backward compatibility
+	// Has to be called _after_ viper.ReadInConfig()
+	// https://github.com/spf13/viper/issues/560
+
+	// Alias the old ACL Policy path with the new configuration option.
+	registerAliasAndDeprecate("policy.path", "acl_policy_path")
+
 	// Collect any validation errors and return them all at once
 	var errorText string
 	if (viper.GetString("tls_letsencrypt_hostname") != "") &&
@@ -383,11 +407,13 @@ func GetLogTailConfig() LogTailConfig {
 	}
 }
 
-func GetACLConfig() ACLConfig {
-	policyPath := viper.GetString("acl_policy_path")
+func GetPolicyConfig() PolicyConfig {
+	policyPath := viper.GetString("policy.path")
+	policyMode := viper.GetString("policy.mode")
 
-	return ACLConfig{
-		PolicyPath: policyPath,
+	return PolicyConfig{
+		Path: policyPath,
+		Mode: PolicyMode(policyMode),
 	}
 }
 
@@ -441,6 +467,7 @@ func GetDatabaseConfig() DatabaseConfig {
 			Path: util.AbsolutePathFromConfigPath(
 				viper.GetString("database.sqlite.path"),
 			),
+			WriteAheadLog: viper.GetBool("database.sqlite.write_ahead_log"),
 		},
 		Postgres: PostgresConfig{
 			Host:               viper.GetString("database.postgres.host"),
@@ -534,16 +561,6 @@ func GetDNSConfig() (*tailcfg.DNSConfig, string) {
 			dnsConfig.Domains = domains
 		}
 
-		if viper.IsSet("dns_config.domains") {
-			domains := viper.GetStringSlice("dns_config.domains")
-			if len(dnsConfig.Resolvers) > 0 {
-				dnsConfig.Domains = domains
-			} else if domains != nil {
-				log.Warn().
-					Msg("Warning: dns_config.domains is set, but no nameservers are configured. Ignoring domains.")
-			}
-		}
-
 		if viper.IsSet("dns_config.extra_records") {
 			var extraRecords []tailcfg.DNSRecord
 
@@ -569,8 +586,18 @@ func GetDNSConfig() (*tailcfg.DNSConfig, string) {
 			baseDomain = "headscale.net" // does not really matter when MagicDNS is not enabled
 		}
 
-		log.Trace().Interface("dns_config", dnsConfig).Msg("DNS configuration loaded")
+		if !viper.GetBool("dns_config.use_username_in_magic_dns") {
+			dnsConfig.Domains = []string{baseDomain}
+		} else {
+			log.Warn().Msg("DNS: Usernames in DNS has been deprecated, this option will be remove in future versions")
+			log.Warn().Msg("DNS: see 0.23.0 changelog for more information.")
+		}
 
+		if domains := viper.GetStringSlice("dns_config.domains"); len(domains) > 0 {
+			dnsConfig.Domains = append(dnsConfig.Domains, domains...)
+		}
+
+		log.Trace().Interface("dns_config", dnsConfig).Msg("DNS configuration loaded")
 		return dnsConfig, baseDomain
 	}
 
@@ -591,7 +618,6 @@ func PrefixV4() (*netip.Prefix, error) {
 
 	builder := netipx.IPSetBuilder{}
 	builder.AddPrefix(tsaddr.CGNATRange())
-	builder.AddPrefix(tsaddr.TailscaleULARange())
 	ipSet, _ := builder.IPSet()
 	if !ipSet.ContainsPrefix(prefixV4) {
 		log.Warn().
@@ -615,7 +641,6 @@ func PrefixV6() (*netip.Prefix, error) {
 	}
 
 	builder := netipx.IPSetBuilder{}
-	builder.AddPrefix(tsaddr.CGNATRange())
 	builder.AddPrefix(tsaddr.TailscaleULARange())
 	ipSet, _ := builder.IPSet()
 
@@ -640,6 +665,9 @@ func GetHeadscaleConfig() (*Config, error) {
 		}, nil
 	}
 
+	logConfig := GetLogConfig()
+	zerolog.SetGlobalLevel(logConfig.Level)
+
 	prefix4, err := PrefixV4()
 	if err != nil {
 		return nil, err
@@ -650,6 +678,10 @@ func GetHeadscaleConfig() (*Config, error) {
 		return nil, err
 	}
 
+	if prefix4 == nil && prefix6 == nil {
+		return nil, fmt.Errorf("no IPv4 or IPv6 prefix configured, minimum one prefix is required")
+	}
+
 	allocStr := viper.GetString("prefixes.allocation")
 	var alloc IPAllocationStrategy
 	switch allocStr {
@@ -658,12 +690,12 @@ func GetHeadscaleConfig() (*Config, error) {
 	case string(IPAllocationStrategyRandom):
 		alloc = IPAllocationStrategyRandom
 	default:
-		log.Fatal().Msgf("config error, prefixes.allocation is set to %s, which is not a valid strategy, allowed options: %s, %s", allocStr, IPAllocationStrategySequential, IPAllocationStrategyRandom)
+		return nil, fmt.Errorf("config error, prefixes.allocation is set to %s, which is not a valid strategy, allowed options: %s, %s", allocStr, IPAllocationStrategySequential, IPAllocationStrategyRandom)
 	}
 
 	dnsConfig, baseDomain := GetDNSConfig()
 	derpConfig := GetDERPConfig()
-	logConfig := GetLogTailConfig()
+	logTailConfig := GetLogTailConfig()
 	randomizeClientPort := viper.GetBool("randomize_client_port")
 
 	oidcClientSecret := viper.GetString("oidc.client_secret")
@@ -706,7 +738,8 @@ func GetHeadscaleConfig() (*Config, error) {
 
 		TLS: GetTLSConfig(),
 
-		DNSConfig: dnsConfig,
+		DNSConfig:             dnsConfig,
+		DNSUserNameInMagicDNS: viper.GetBool("dns_config.use_username_in_magic_dns"),
 
 		ACMEEmail: viper.GetString("acme_email"),
 		ACMEURL:   viper.GetString("acme_url"),
@@ -745,10 +778,10 @@ func GetHeadscaleConfig() (*Config, error) {
 			UseExpiryFromToken: viper.GetBool("oidc.use_expiry_from_token"),
 		},
 
-		LogTail:             logConfig,
+		LogTail:             logTailConfig,
 		RandomizeClientPort: randomizeClientPort,
 
-		ACL: GetACLConfig(),
+		Policy: GetPolicyConfig(),
 
 		CLI: CLIConfig{
 			Address:  viper.GetString("cli.address"),
@@ -757,10 +790,11 @@ func GetHeadscaleConfig() (*Config, error) {
 			Insecure: viper.GetBool("cli.insecure"),
 		},
 
-		Log: GetLogConfig(),
+		Log: logConfig,
 
 		// TODO(kradalby): Document these settings when more stable
 		Tuning: Tuning{
+			NotifierSendTimeout:            viper.GetDuration("tuning.notifier_send_timeout"),
 			BatchChangeDelay:               viper.GetDuration("tuning.batch_change_delay"),
 			NodeMapSessionBufferedChanSize: viper.GetInt("tuning.node_mapsession_buffered_chan_size"),
 		},
@@ -770,3 +804,20 @@ func GetHeadscaleConfig() (*Config, error) {
 func IsCLIConfigured() bool {
 	return viper.GetString("cli.address") != "" && viper.GetString("cli.api_key") != ""
 }
+
+// registerAliasAndDeprecate will register an alias between the newKey and the oldKey,
+// and log a deprecation warning if the oldKey is set.
+func registerAliasAndDeprecate(newKey, oldKey string) {
+	// NOTE: RegisterAlias is called with NEW KEY -> OLD KEY
+	viper.RegisterAlias(newKey, oldKey)
+	if viper.IsSet(oldKey) {
+		log.Warn().Msgf("The %q configuration key is deprecated. Please use %q instead. %q will be removed in the future.", oldKey, newKey, oldKey)
+	}
+}
+
+// deprecateAndFatal will log a fatal deprecation warning if the oldKey is set.
+func deprecateAndFatal(newKey, oldKey string) {
+	if viper.IsSet(oldKey) {
+		log.Fatal().Msgf("The %q configuration key is deprecated. Please use %q instead. %q has been removed.", oldKey, newKey, oldKey)
+	}
+}

hscontrol/types/node.go

@@ -43,6 +43,10 @@ func (id NodeID) Uint64() uint64 {
 	return uint64(id)
 }
 
+func (id NodeID) String() string {
+	return strconv.FormatUint(id.Uint64(), util.Base10)
+}
+
 // Node is a Headscale client.
 type Node struct {
 	ID NodeID `gorm:"primary_key"`
@@ -108,20 +112,20 @@ type Node struct {
 	// parts of headscale.
 	GivenName string `gorm:"type:varchar(63);unique_index"`
 	UserID    uint
-	User      User `gorm:"foreignKey:UserID"`
+	User      User `gorm:"constraint:OnDelete:CASCADE;"`
 
 	RegisterMethod string
 
 	ForcedTags StringList
 
 	// TODO(kradalby): This seems like irrelevant information?
-	AuthKeyID uint
-	AuthKey   *PreAuthKey
+	AuthKeyID *uint64     `sql:"DEFAULT:NULL"`
+	AuthKey   *PreAuthKey `gorm:"constraint:OnDelete:SET NULL;"`
 
 	LastSeen *time.Time
 	Expiry   *time.Time
 
-	Routes []Route
+	Routes []Route `gorm:"constraint:OnDelete:CASCADE;"`
 
 	CreatedAt time.Time
 	UpdatedAt time.Time
@@ -306,11 +310,15 @@ func (node *Node) AfterFind(tx *gorm.DB) error {
 	}
 	node.NodeKey = nodeKey
 
-	var discoKey key.DiscoPublic
-	if err := discoKey.UnmarshalText([]byte(node.DiscoKeyDatabaseField)); err != nil {
-		return fmt.Errorf("unmarshalling disco key from db: %w", err)
+	// DiscoKey might be empty if a node has not sent it to headscale.
+	// This means that this might fail if the disco key is empty.
+	if node.DiscoKeyDatabaseField != "" {
+		var discoKey key.DiscoPublic
+		if err := discoKey.UnmarshalText([]byte(node.DiscoKeyDatabaseField)); err != nil {
+			return fmt.Errorf("unmarshalling disco key from db: %w", err)
+		}
+		node.DiscoKey = discoKey
 	}
-	node.DiscoKey = discoKey
 
 	endpoints := make([]netip.AddrPort, len(node.EndpointsDatabaseField))
 	for idx, ep := range node.EndpointsDatabaseField {
@@ -365,8 +373,7 @@ func (node *Node) Proto() *v1.Node {
 		User:        node.User.Proto(),
 		ForcedTags:  node.ForcedTags,
 
-		// TODO(kradalby): Implement register method enum converter
-		// RegisterMethod: ,
+		RegisterMethod: node.RegisterMethodToV1Enum(),
 
 		CreatedAt: timestamppb.New(node.CreatedAt),
 	}
@@ -386,23 +393,32 @@ func (node *Node) Proto() *v1.Node {
 	return nodeProto
 }
 
-func (node *Node) GetFQDN(dnsConfig *tailcfg.DNSConfig, baseDomain string) (string, error) {
+func (node *Node) GetFQDN(cfg *Config, baseDomain string) (string, error) {
 	var hostname string
-	if dnsConfig != nil && dnsConfig.Proxied { // MagicDNS
+	if cfg.DNSConfig != nil && cfg.DNSConfig.Proxied { // MagicDNS
 		if node.GivenName == "" {
 			return "", fmt.Errorf("failed to create valid FQDN: %w", ErrNodeHasNoGivenName)
 		}
 
-		if node.User.Name == "" {
-			return "", fmt.Errorf("failed to create valid FQDN: %w", ErrNodeUserHasNoName)
-		}
-
 		hostname = fmt.Sprintf(
-			"%s.%s.%s",
+			"%s.%s",
 			node.GivenName,
-			node.User.Name,
 			baseDomain,
 		)
+
+		if cfg.DNSUserNameInMagicDNS {
+			if node.User.Name == "" {
+				return "", fmt.Errorf("failed to create valid FQDN: %w", ErrNodeUserHasNoName)
+			}
+
+			hostname = fmt.Sprintf(
+				"%s.%s.%s",
+				node.GivenName,
+				node.User.Name,
+				baseDomain,
+			)
+		}
+
 		if len(hostname) > MaxHostnameLength {
 			return "", fmt.Errorf(
 				"failed to create valid FQDN (%s): %w",
@@ -472,6 +488,19 @@ func (node *Node) PeerChangeFromMapRequest(req tailcfg.MapRequest) tailcfg.PeerC
 	return ret
 }
 
+func (node *Node) RegisterMethodToV1Enum() v1.RegisterMethod {
+	switch node.RegisterMethod {
+	case "authkey":
+		return v1.RegisterMethod_REGISTER_METHOD_AUTH_KEY
+	case "oidc":
+		return v1.RegisterMethod_REGISTER_METHOD_OIDC
+	case "cli":
+		return v1.RegisterMethod_REGISTER_METHOD_CLI
+	default:
+		return v1.RegisterMethod_REGISTER_METHOD_UNSPECIFIED
+	}
+}
+
 // ApplyPeerChange takes a PeerChange struct and updates the node.
 func (node *Node) ApplyPeerChange(change *tailcfg.PeerChange) {
 	if change.Key != nil {

hscontrol/types/node_test.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/google/go-cmp/cmp/cmpopts"
+	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
 	"github.com/juanfont/headscale/hscontrol/util"
 	"tailscale.com/tailcfg"
 	"tailscale.com/types/key"
@@ -126,11 +127,87 @@ func TestNodeFQDN(t *testing.T) {
 	tests := []struct {
 		name    string
 		node    Node
-		dns     tailcfg.DNSConfig
+		cfg     Config
 		domain  string
 		want    string
 		wantErr string
 	}{
+		{
+			name: "all-set-with-username",
+			node: Node{
+				GivenName: "test",
+				User: User{
+					Name: "user",
+				},
+			},
+			cfg: Config{
+				DNSConfig: &tailcfg.DNSConfig{
+					Proxied: true,
+				},
+				DNSUserNameInMagicDNS: true,
+			},
+			domain: "example.com",
+			want:   "test.user.example.com",
+		},
+		{
+			name: "no-given-name-with-username",
+			node: Node{
+				User: User{
+					Name: "user",
+				},
+			},
+			cfg: Config{
+				DNSConfig: &tailcfg.DNSConfig{
+					Proxied: true,
+				},
+				DNSUserNameInMagicDNS: true,
+			},
+			domain:  "example.com",
+			wantErr: "failed to create valid FQDN: node has no given name",
+		},
+		{
+			name: "no-user-name-with-username",
+			node: Node{
+				GivenName: "test",
+				User:      User{},
+			},
+			cfg: Config{
+				DNSConfig: &tailcfg.DNSConfig{
+					Proxied: true,
+				},
+				DNSUserNameInMagicDNS: true,
+			},
+			domain:  "example.com",
+			wantErr: "failed to create valid FQDN: node user has no name",
+		},
+		{
+			name: "no-magic-dns-with-username",
+			node: Node{
+				GivenName: "test",
+				User: User{
+					Name: "user",
+				},
+			},
+			cfg: Config{
+				DNSConfig: &tailcfg.DNSConfig{
+					Proxied: false,
+				},
+				DNSUserNameInMagicDNS: true,
+			},
+			domain: "example.com",
+			want:   "test",
+		},
+		{
+			name: "no-dnsconfig-with-username",
+			node: Node{
+				GivenName: "test",
+				User: User{
+					Name: "user",
+				},
+			},
+			domain: "example.com",
+			want:   "test",
+		},
 		{
 			name: "all-set",
 			node: Node{
@@ -139,11 +216,14 @@ func TestNodeFQDN(t *testing.T) {
 					Name: "user",
 				},
 			},
-			dns: tailcfg.DNSConfig{
-				Proxied: true,
+			cfg: Config{
+				DNSConfig: &tailcfg.DNSConfig{
+					Proxied: true,
+				},
+				DNSUserNameInMagicDNS: false,
 			},
 			domain: "example.com",
-			want:   "test.user.example.com",
+			want:   "test.example.com",
 		},
 		{
 			name: "no-given-name",
@@ -152,8 +232,11 @@ func TestNodeFQDN(t *testing.T) {
 					Name: "user",
 				},
 			},
-			dns: tailcfg.DNSConfig{
-				Proxied: true,
+			cfg: Config{
+				DNSConfig: &tailcfg.DNSConfig{
+					Proxied: true,
+				},
+				DNSUserNameInMagicDNS: false,
 			},
 			domain:  "example.com",
 			wantErr: "failed to create valid FQDN: node has no given name",
@@ -164,11 +247,14 @@ func TestNodeFQDN(t *testing.T) {
 				GivenName: "test",
 				User:      User{},
 			},
-			dns: tailcfg.DNSConfig{
-				Proxied: true,
+			cfg: Config{
+				DNSConfig: &tailcfg.DNSConfig{
+					Proxied: true,
+				},
+				DNSUserNameInMagicDNS: false,
 			},
-			domain:  "example.com",
-			wantErr: "failed to create valid FQDN: node user has no name",
+			domain: "example.com",
+			want:   "test.example.com",
 		},
 		{
 			name: "no-magic-dns",
@@ -178,8 +264,11 @@ func TestNodeFQDN(t *testing.T) {
 					Name: "user",
 				},
 			},
-			dns: tailcfg.DNSConfig{
-				Proxied: false,
+			cfg: Config{
+				DNSConfig: &tailcfg.DNSConfig{
+					Proxied: false,
+				},
+				DNSUserNameInMagicDNS: false,
 			},
 			domain: "example.com",
 			want:   "test",
@@ -199,7 +288,7 @@ func TestNodeFQDN(t *testing.T) {
 
 	for _, tc := range tests {
 		t.Run(tc.name, func(t *testing.T) {
-			got, err := tc.node.GetFQDN(&tc.dns, tc.domain)
+			got, err := tc.node.GetFQDN(&tc.cfg, tc.domain)
 
 			if (err != nil) && (err.Error() != tc.wantErr) {
 				t.Errorf("GetFQDN() error = %s, wantErr %s", err, tc.wantErr)
@@ -452,3 +541,53 @@ func TestApplyPeerChange(t *testing.T) {
 		})
 	}
 }
+
+func TestNodeRegisterMethodToV1Enum(t *testing.T) {
+	tests := []struct {
+		name string
+		node Node
+		want v1.RegisterMethod
+	}{
+		{
+			name: "authkey",
+			node: Node{
+				ID:             1,
+				RegisterMethod: util.RegisterMethodAuthKey,
+			},
+			want: v1.RegisterMethod_REGISTER_METHOD_AUTH_KEY,
+		},
+		{
+			name: "oidc",
+			node: Node{
+				ID:             1,
+				RegisterMethod: util.RegisterMethodOIDC,
+			},
+			want: v1.RegisterMethod_REGISTER_METHOD_OIDC,
+		},
+		{
+			name: "cli",
+			node: Node{
+				ID:             1,
+				RegisterMethod: util.RegisterMethodCLI,
+			},
+			want: v1.RegisterMethod_REGISTER_METHOD_CLI,
+		},
+		{
+			name: "unknown",
+			node: Node{
+				ID: 0,
+			},
+			want: v1.RegisterMethod_REGISTER_METHOD_UNSPECIFIED,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			got := tt.node.RegisterMethodToV1Enum()
+
+			if diff := cmp.Diff(tt.want, got); diff != "" {
+				t.Errorf("RegisterMethodToV1Enum() unexpected result (-want +got):\n%s", diff)
+			}
+		})
+	}
+}

hscontrol/types/policy.go

@@ -0,0 +1,20 @@
+package types
+
+import (
+	"errors"
+
+	"gorm.io/gorm"
+)
+
+var (
+	ErrPolicyNotFound         = errors.New("acl policy not found")
+	ErrPolicyUpdateIsDisabled = errors.New("update is disabled for modes other than 'database'")
+)
+
+// Policy represents a policy in the database.
+type Policy struct {
+	gorm.Model
+
+	// Data contains the policy in HuJSON format.
+	Data string
+}

hscontrol/types/preauth_key.go

@@ -14,11 +14,11 @@ type PreAuthKey struct {
 	ID        uint64 `gorm:"primary_key"`
 	Key       string
 	UserID    uint
-	User      User
+	User      User `gorm:"constraint:OnDelete:CASCADE;"`
 	Reusable  bool
-	Ephemeral bool `gorm:"default:false"`
-	Used      bool `gorm:"default:false"`
-	ACLTags   []PreAuthKeyACLTag
+	Ephemeral bool               `gorm:"default:false"`
+	Used      bool               `gorm:"default:false"`
+	ACLTags   []PreAuthKeyACLTag `gorm:"constraint:OnDelete:CASCADE;"`
 
 	CreatedAt  *time.Time
 	Expiration *time.Time

hscontrol/types/users.go

@@ -19,32 +19,46 @@ type User struct {
 	Name string `gorm:"unique"`
 }
 
-func (n *User) TailscaleUser() *tailcfg.User {
+// TODO(kradalby): See if we can fill in Gravatar here
+func (u *User) profilePicURL() string {
+	return ""
+}
+
+func (u *User) TailscaleUser() *tailcfg.User {
 	user := tailcfg.User{
-		ID:          tailcfg.UserID(n.ID),
-		LoginName:   n.Name,
-		DisplayName: n.Name,
-		// TODO(kradalby): See if we can fill in Gravatar here
-		ProfilePicURL: "",
+		ID:            tailcfg.UserID(u.ID),
+		LoginName:     u.Name,
+		DisplayName:   u.Name,
+		ProfilePicURL: u.profilePicURL(),
 		Logins:        []tailcfg.LoginID{},
-		Created:       n.CreatedAt,
+		Created:       u.CreatedAt,
 	}
 
 	return &user
 }
 
-func (n *User) TailscaleLogin() *tailcfg.Login {
+func (u *User) TailscaleLogin() *tailcfg.Login {
 	login := tailcfg.Login{
-		ID:          tailcfg.LoginID(n.ID),
-		LoginName:   n.Name,
-		DisplayName: n.Name,
-		// TODO(kradalby): See if we can fill in Gravatar here
-		ProfilePicURL: "",
+		ID: tailcfg.LoginID(u.ID),
+		// TODO(kradalby): this should reflect registration method.
+		Provider:      "",
+		LoginName:     u.Name,
+		DisplayName:   u.Name,
+		ProfilePicURL: u.profilePicURL(),
 	}
 
 	return &login
 }
 
+func (u *User) TailscaleUserProfile() tailcfg.UserProfile {
+	return tailcfg.UserProfile{
+		ID:            tailcfg.UserID(u.ID),
+		LoginName:     u.Name,
+		DisplayName:   u.Name,
+		ProfilePicURL: u.profilePicURL(),
+	}
+}
+
 func (n *User) Proto() *v1.User {
 	return &v1.User{
 		Id:        strconv.FormatUint(uint64(n.ID), util.Base10),

hscontrol/util/string.go

@@ -56,16 +56,6 @@ func GenerateRandomStringDNSSafe(size int) (string, error) {
 	return str[:size], nil
 }
 
-func IsStringInSlice(slice []string, str string) bool {
-	for _, s := range slice {
-		if s == str {
-			return true
-		}
-	}
-
-	return false
-}
-
 func TailNodesToString(nodes []*tailcfg.Node) string {
 	temp := make([]string, len(nodes))
 

integration/acl_test.go

@@ -1,11 +1,13 @@
 package integration
 
 import (
+	"encoding/json"
 	"fmt"
 	"net/netip"
 	"strings"
 	"testing"
 
+	"github.com/google/go-cmp/cmp"
 	"github.com/juanfont/headscale/hscontrol/policy"
 	"github.com/juanfont/headscale/integration/hsic"
 	"github.com/juanfont/headscale/integration/tsic"
@@ -1012,3 +1014,156 @@ func TestACLDevice1CanAccessDevice2(t *testing.T) {
 		})
 	}
 }
+
+func TestPolicyUpdateWhileRunningWithCLIInDatabase(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	scenario, err := NewScenario(dockertestMaxWait())
+	assertNoErr(t, err)
+	defer scenario.Shutdown()
+
+	spec := map[string]int{
+		"user1": 1,
+		"user2": 1,
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec,
+		[]tsic.Option{
+			// Alpine containers dont have ip6tables set up, which causes
+			// tailscaled to stop configuring the wgengine, causing it
+			// to not configure DNS.
+			tsic.WithNetfilter("off"),
+			tsic.WithDockerEntrypoint([]string{
+				"/bin/sh",
+				"-c",
+				"/bin/sleep 3 ; apk add python3 curl ; update-ca-certificates ; python3 -m http.server --bind :: 80 & tailscaled --tun=tsdev",
+			}),
+			tsic.WithDockerWorkdir("/"),
+		},
+		hsic.WithTestName("policyreload"),
+		hsic.WithConfigEnv(map[string]string{
+			"HEADSCALE_POLICY_MODE": "database",
+		}),
+	)
+	assertNoErr(t, err)
+
+	_, err = scenario.ListTailscaleClientsFQDNs()
+	assertNoErrListFQDN(t, err)
+
+	err = scenario.WaitForTailscaleSync()
+	assertNoErrSync(t, err)
+
+	user1Clients, err := scenario.ListTailscaleClients("user1")
+	assertNoErr(t, err)
+
+	user2Clients, err := scenario.ListTailscaleClients("user2")
+	assertNoErr(t, err)
+
+	all := append(user1Clients, user2Clients...)
+
+	// Initially all nodes can reach each other
+	for _, client := range all {
+		for _, peer := range all {
+			if client.ID() == peer.ID() {
+				continue
+			}
+
+			fqdn, err := peer.FQDN()
+			assertNoErr(t, err)
+
+			url := fmt.Sprintf("http://%s/etc/hostname", fqdn)
+			t.Logf("url from %s to %s", client.Hostname(), url)
+
+			result, err := client.Curl(url)
+			assert.Len(t, result, 13)
+			assertNoErr(t, err)
+		}
+	}
+
+	headscale, err := scenario.Headscale()
+	assertNoErr(t, err)
+
+	p := policy.ACLPolicy{
+		ACLs: []policy.ACL{
+			{
+				Action:       "accept",
+				Sources:      []string{"user1"},
+				Destinations: []string{"user2:*"},
+			},
+		},
+		Hosts: policy.Hosts{},
+	}
+
+	pBytes, _ := json.Marshal(p)
+
+	policyFilePath := "/etc/headscale/policy.json"
+
+	err = headscale.WriteFile(policyFilePath, pBytes)
+	assertNoErr(t, err)
+
+	// No policy is present at this time.
+	// Add a new policy from a file.
+	_, err = headscale.Execute(
+		[]string{
+			"headscale",
+			"policy",
+			"set",
+			"-f",
+			policyFilePath,
+		},
+	)
+	assertNoErr(t, err)
+
+	// Get the current policy and check
+	// if it is the same as the one we set.
+	var output *policy.ACLPolicy
+	err = executeAndUnmarshal(
+		headscale,
+		[]string{
+			"headscale",
+			"policy",
+			"get",
+			"--output",
+			"json",
+		},
+		&output,
+	)
+	assertNoErr(t, err)
+
+	assert.Len(t, output.ACLs, 1)
+
+	if diff := cmp.Diff(p, *output); diff != "" {
+		t.Errorf("unexpected policy(-want +got):\n%s", diff)
+	}
+
+	// Test that user1 can visit all user2
+	for _, client := range user1Clients {
+		for _, peer := range user2Clients {
+			fqdn, err := peer.FQDN()
+			assertNoErr(t, err)
+
+			url := fmt.Sprintf("http://%s/etc/hostname", fqdn)
+			t.Logf("url from %s to %s", client.Hostname(), url)
+
+			result, err := client.Curl(url)
+			assert.Len(t, result, 13)
+			assertNoErr(t, err)
+		}
+	}
+
+	// Test that user2 _cannot_ visit user1
+	for _, client := range user2Clients {
+		for _, peer := range user1Clients {
+			fqdn, err := peer.FQDN()
+			assertNoErr(t, err)
+
+			url := fmt.Sprintf("http://%s/etc/hostname", fqdn)
+			t.Logf("url from %s to %s", client.Hostname(), url)
+
+			result, err := client.Curl(url)
+			assert.Empty(t, result)
+			assert.Error(t, err)
+		}
+	}
+}

integration/cli_test.go

@@ -388,6 +388,101 @@ func TestPreAuthKeyCommandReusableEphemeral(t *testing.T) {
 	assert.Len(t, listedPreAuthKeys, 3)
 }
 
+func TestPreAuthKeyCorrectUserLoggedInCommand(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	user1 := "user1"
+	user2 := "user2"
+
+	scenario, err := NewScenario(dockertestMaxWait())
+	assertNoErr(t, err)
+	defer scenario.Shutdown()
+
+	spec := map[string]int{
+		user1: 1,
+		user2: 0,
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec, []tsic.Option{}, hsic.WithTestName("clipak"))
+	assertNoErr(t, err)
+
+	headscale, err := scenario.Headscale()
+	assertNoErr(t, err)
+
+	var user2Key v1.PreAuthKey
+
+	err = executeAndUnmarshal(
+		headscale,
+		[]string{
+			"headscale",
+			"preauthkeys",
+			"--user",
+			user2,
+			"create",
+			"--reusable",
+			"--expiration",
+			"24h",
+			"--output",
+			"json",
+			"--tags",
+			"tag:test1,tag:test2",
+		},
+		&user2Key,
+	)
+	assertNoErr(t, err)
+
+	allClients, err := scenario.ListTailscaleClients()
+	assertNoErrListClients(t, err)
+
+	assert.Len(t, allClients, 1)
+
+	client := allClients[0]
+
+	// Log out from user1
+	err = client.Logout()
+	assertNoErr(t, err)
+
+	err = scenario.WaitForTailscaleLogout()
+	assertNoErr(t, err)
+
+	status, err := client.Status()
+	assertNoErr(t, err)
+	if status.BackendState == "Starting" || status.BackendState == "Running" {
+		t.Fatalf("expected node to be logged out, backend state: %s", status.BackendState)
+	}
+
+	err = client.Login(headscale.GetEndpoint(), user2Key.GetKey())
+	assertNoErr(t, err)
+
+	status, err = client.Status()
+	assertNoErr(t, err)
+	if status.BackendState != "Running" {
+		t.Fatalf("expected node to be logged in, backend state: %s", status.BackendState)
+	}
+
+	if status.Self.UserID.String() != "userid:2" {
+		t.Fatalf("expected node to be logged in as userid:2, got: %s", status.Self.UserID.String())
+	}
+
+	var listNodes []v1.Node
+	err = executeAndUnmarshal(
+		headscale,
+		[]string{
+			"headscale",
+			"nodes",
+			"list",
+			"--output",
+			"json",
+		},
+		&listNodes,
+	)
+	assert.Nil(t, err)
+	assert.Len(t, listNodes, 1)
+
+	assert.Equal(t, "user2", listNodes[0].GetUser().GetName())
+}
+
 func TestApiKeyCommand(t *testing.T) {
 	IntegrationSkip(t)
 	t.Parallel()
@@ -1501,3 +1596,83 @@ func TestNodeMoveCommand(t *testing.T) {
 
 	assert.Equal(t, node.GetUser().GetName(), "old-user")
 }
+
+func TestPolicyCommand(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	scenario, err := NewScenario(dockertestMaxWait())
+	assertNoErr(t, err)
+	defer scenario.Shutdown()
+
+	spec := map[string]int{
+		"policy-user": 0,
+	}
+
+	err = scenario.CreateHeadscaleEnv(
+		spec,
+		[]tsic.Option{},
+		hsic.WithTestName("clins"),
+		hsic.WithConfigEnv(map[string]string{
+			"HEADSCALE_POLICY_MODE": "database",
+		}),
+	)
+	assertNoErr(t, err)
+
+	headscale, err := scenario.Headscale()
+	assertNoErr(t, err)
+
+	p := policy.ACLPolicy{
+		ACLs: []policy.ACL{
+			{
+				Action:       "accept",
+				Sources:      []string{"*"},
+				Destinations: []string{"*:*"},
+			},
+		},
+		TagOwners: map[string][]string{
+			"tag:exists": {"policy-user"},
+		},
+	}
+
+	pBytes, _ := json.Marshal(p)
+
+	policyFilePath := "/etc/headscale/policy.json"
+
+	err = headscale.WriteFile(policyFilePath, pBytes)
+	assertNoErr(t, err)
+
+	// No policy is present at this time.
+	// Add a new policy from a file.
+	_, err = headscale.Execute(
+		[]string{
+			"headscale",
+			"policy",
+			"set",
+			"-f",
+			policyFilePath,
+		},
+	)
+
+	assertNoErr(t, err)
+
+	// Get the current policy and check
+	// if it is the same as the one we set.
+	var output *policy.ACLPolicy
+	err = executeAndUnmarshal(
+		headscale,
+		[]string{
+			"headscale",
+			"policy",
+			"get",
+			"--output",
+			"json",
+		},
+		&output,
+	)
+	assertNoErr(t, err)
+
+	assert.Len(t, output.TagOwners, 1)
+	assert.Len(t, output.ACLs, 1)
+	assert.Equal(t, output.TagOwners["tag:exists"], []string{"policy-user"})
+}

integration/control.go

@@ -10,6 +10,7 @@ type ControlServer interface {
 	SaveLog(string) error
 	SaveProfile(string) error
 	Execute(command []string) (string, error)
+	WriteFile(path string, content []byte) error
 	ConnectToNetwork(network *dockertest.Network) error
 	GetHealthEndpoint() string
 	GetEndpoint() string

integration/general_test.go

@@ -1,6 +1,7 @@
 package integration
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"net/netip"
@@ -15,6 +16,7 @@ import (
 	"github.com/rs/zerolog/log"
 	"github.com/samber/lo"
 	"github.com/stretchr/testify/assert"
+	"golang.org/x/sync/errgroup"
 	"tailscale.com/client/tailscale/apitype"
 	"tailscale.com/types/key"
 )
@@ -295,6 +297,122 @@ func TestEphemeral(t *testing.T) {
 	}
 }
 
+// TestEphemeral2006DeletedTooQuickly verifies that ephemeral nodes are not
+// deleted by accident if they are still online and active.
+func TestEphemeral2006DeletedTooQuickly(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	scenario, err := NewScenario(dockertestMaxWait())
+	assertNoErr(t, err)
+	defer scenario.Shutdown()
+
+	spec := map[string]int{
+		"user1": len(MustTestVersions),
+		"user2": len(MustTestVersions),
+	}
+
+	headscale, err := scenario.Headscale(
+		hsic.WithTestName("ephemeral2006"),
+		hsic.WithConfigEnv(map[string]string{
+			"HEADSCALE_EPHEMERAL_NODE_INACTIVITY_TIMEOUT": "1m6s",
+		}),
+	)
+	assertNoErrHeadscaleEnv(t, err)
+
+	for userName, clientCount := range spec {
+		err = scenario.CreateUser(userName)
+		if err != nil {
+			t.Fatalf("failed to create user %s: %s", userName, err)
+		}
+
+		err = scenario.CreateTailscaleNodesInUser(userName, "all", clientCount, []tsic.Option{}...)
+		if err != nil {
+			t.Fatalf("failed to create tailscale nodes in user %s: %s", userName, err)
+		}
+
+		key, err := scenario.CreatePreAuthKey(userName, true, true)
+		if err != nil {
+			t.Fatalf("failed to create pre-auth key for user %s: %s", userName, err)
+		}
+
+		err = scenario.RunTailscaleUp(userName, headscale.GetEndpoint(), key.GetKey())
+		if err != nil {
+			t.Fatalf("failed to run tailscale up for user %s: %s", userName, err)
+		}
+	}
+
+	err = scenario.WaitForTailscaleSync()
+	assertNoErrSync(t, err)
+
+	allClients, err := scenario.ListTailscaleClients()
+	assertNoErrListClients(t, err)
+
+	allIps, err := scenario.ListTailscaleClientsIPs()
+	assertNoErrListClientIPs(t, err)
+
+	allAddrs := lo.Map(allIps, func(x netip.Addr, index int) string {
+		return x.String()
+	})
+
+	// All ephemeral nodes should be online and reachable.
+	success := pingAllHelper(t, allClients, allAddrs)
+	t.Logf("%d successful pings out of %d", success, len(allClients)*len(allIps))
+
+	// Take down all clients, this should start an expiry timer for each.
+	for _, client := range allClients {
+		err := client.Down()
+		if err != nil {
+			t.Fatalf("failed to take down client %s: %s", client.Hostname(), err)
+		}
+	}
+
+	// Wait a bit and bring up the clients again before the expiry
+	// time of the ephemeral nodes.
+	// Nodes should be able to reconnect and work fine.
+	time.Sleep(30 * time.Second)
+
+	for _, client := range allClients {
+		err := client.Up()
+		if err != nil {
+			t.Fatalf("failed to take down client %s: %s", client.Hostname(), err)
+		}
+	}
+	err = scenario.WaitForTailscaleSync()
+	assertNoErrSync(t, err)
+
+	success = pingAllHelper(t, allClients, allAddrs)
+	t.Logf("%d successful pings out of %d", success, len(allClients)*len(allIps))
+
+	// Take down all clients, this should start an expiry timer for each.
+	for _, client := range allClients {
+		err := client.Down()
+		if err != nil {
+			t.Fatalf("failed to take down client %s: %s", client.Hostname(), err)
+		}
+	}
+
+	// This time wait for all of the nodes to expire and check that they are no longer
+	// registered.
+	time.Sleep(3 * time.Minute)
+
+	for userName := range spec {
+		nodes, err := headscale.ListNodesInUser(userName)
+		if err != nil {
+			log.Error().
+				Err(err).
+				Str("user", userName).
+				Msg("Error listing nodes in user")
+
+			return
+		}
+
+		if len(nodes) != 0 {
+			t.Fatalf("expected no nodes, got %d in user %s", len(nodes), userName)
+		}
+	}
+}
+
 func TestPingAllByHostname(t *testing.T) {
 	IntegrationSkip(t)
 	t.Parallel()
@@ -335,14 +453,14 @@ func TestTaildrop(t *testing.T) {
 	IntegrationSkip(t)
 	t.Parallel()
 
-	retry := func(times int, sleepInverval time.Duration, doWork func() error) error {
+	retry := func(times int, sleepInterval time.Duration, doWork func() error) error {
 		var err error
 		for attempts := 0; attempts < times; attempts++ {
 			err = doWork()
 			if err == nil {
 				return nil
 			}
-			time.Sleep(sleepInverval)
+			time.Sleep(sleepInterval)
 		}
 
 		return err
@@ -793,7 +911,7 @@ func TestNodeOnlineStatus(t *testing.T) {
 					continue
 				}
 
-				// All peers of this nodess are reporting to be
+				// All peers of this nodes are reporting to be
 				// connected to the control server
 				assert.Truef(
 					t,
@@ -829,24 +947,10 @@ func TestPingAllByIPManyUpDown(t *testing.T) {
 		"user2": len(MustTestVersions),
 	}
 
-	headscaleConfig := map[string]string{
-		"HEADSCALE_DERP_URLS":                    "",
-		"HEADSCALE_DERP_SERVER_ENABLED":          "true",
-		"HEADSCALE_DERP_SERVER_REGION_ID":        "999",
-		"HEADSCALE_DERP_SERVER_REGION_CODE":      "headscale",
-		"HEADSCALE_DERP_SERVER_REGION_NAME":      "Headscale Embedded DERP",
-		"HEADSCALE_DERP_SERVER_STUN_LISTEN_ADDR": "0.0.0.0:3478",
-		"HEADSCALE_DERP_SERVER_PRIVATE_KEY_PATH": "/tmp/derp.key",
-
-		// Envknob for enabling DERP debug logs
-		"DERP_DEBUG_LOGS":        "true",
-		"DERP_PROBER_DEBUG_LOGS": "true",
-	}
-
 	err = scenario.CreateHeadscaleEnv(spec,
 		[]tsic.Option{},
-		hsic.WithTestName("pingallbyip"),
-		hsic.WithConfigEnv(headscaleConfig),
+		hsic.WithTestName("pingallbyipmany"),
+		hsic.WithEmbeddedDERPServerOnly(),
 		hsic.WithTLS(),
 		hsic.WithHostnameAsServerURL(),
 	)
@@ -870,19 +974,35 @@ func TestPingAllByIPManyUpDown(t *testing.T) {
 	success := pingAllHelper(t, allClients, allAddrs)
 	t.Logf("%d successful pings out of %d", success, len(allClients)*len(allIps))
 
+	wg, _ := errgroup.WithContext(context.Background())
+
 	for run := range 3 {
 		t.Logf("Starting DownUpPing run %d", run+1)
 
 		for _, client := range allClients {
-			t.Logf("taking down %q", client.Hostname())
-			client.Down()
+			c := client
+			wg.Go(func() error {
+				t.Logf("taking down %q", c.Hostname())
+				return c.Down()
+			})
+		}
+
+		if err := wg.Wait(); err != nil {
+			t.Fatalf("failed to take down all nodes: %s", err)
 		}
 
 		time.Sleep(5 * time.Second)
 
 		for _, client := range allClients {
-			t.Logf("bringing up %q", client.Hostname())
-			client.Up()
+			c := client
+			wg.Go(func() error {
+				t.Logf("bringing up %q", c.Hostname())
+				return c.Up()
+			})
+		}
+
+		if err := wg.Wait(); err != nil {
+			t.Fatalf("failed to take down all nodes: %s", err)
 		}
 
 		time.Sleep(5 * time.Second)

integration/hsic/hsic.go

@@ -177,9 +177,9 @@ func WithPostgres() Option {
 }
 
 // WithIPAllocationStrategy sets the tests IP Allocation strategy.
-func WithIPAllocationStrategy(strat types.IPAllocationStrategy) Option {
+func WithIPAllocationStrategy(strategy types.IPAllocationStrategy) Option {
 	return func(hsic *HeadscaleInContainer) {
-		hsic.env["HEADSCALE_PREFIXES_ALLOCATION"] = string(strat)
+		hsic.env["HEADSCALE_PREFIXES_ALLOCATION"] = string(strategy)
 	}
 }
 
@@ -286,9 +286,13 @@ func New(
 	}
 
 	env := []string{
-		"HEADSCALE_PROFILING_ENABLED=1",
-		"HEADSCALE_PROFILING_PATH=/tmp/profile",
+		"HEADSCALE_DEBUG_PROFILING_ENABLED=1",
+		"HEADSCALE_DEBUG_PROFILING_PATH=/tmp/profile",
 		"HEADSCALE_DEBUG_DUMP_MAPRESPONSE_PATH=/tmp/mapresponses",
+		"HEADSCALE_DEBUG_DEADLOCK=1",
+		"HEADSCALE_DEBUG_DEADLOCK_TIMEOUT=5s",
+		"HEADSCALE_DEBUG_HIGH_CARDINALITY_METRICS=1",
+		"HEADSCALE_DEBUG_DUMP_CONFIG=1",
 	}
 	for key, value := range hsic.env {
 		env = append(env, fmt.Sprintf("%s=%s", key, value))
@@ -397,7 +401,7 @@ func (t *HeadscaleInContainer) Shutdown() error {
 		)
 	}
 
-	err = t.SaveMetrics("/tmp/control/metrics.txt")
+	err = t.SaveMetrics(fmt.Sprintf("/tmp/control/%s_metrics.txt", t.hostname))
 	if err != nil {
 		log.Printf(
 			"Failed to metrics from control: %s",
@@ -747,7 +751,7 @@ func createCertificate(hostname string) ([]byte, []byte, error) {
 			Locality:     []string{"Leiden"},
 		},
 		NotBefore: time.Now(),
-		NotAfter:  time.Now().Add(60 * time.Minute),
+		NotAfter:  time.Now().Add(60 * time.Hour),
 		IsCA:      true,
 		ExtKeyUsage: []x509.ExtKeyUsage{
 			x509.ExtKeyUsageClientAuth,

integration/scenario.go

@@ -51,8 +51,11 @@ var (
 	tailscaleVersions2021 = map[string]bool{
 		"head":     true,
 		"unstable": true,
-		"1.60":     true,  // CapVer: 82
-		"1.58":     true,  // CapVer: 82
+		"1.66":     true,  // CapVer: not checked
+		"1.64":     true,  // CapVer: not checked
+		"1.62":     true,  // CapVer: not checked
+		"1.60":     true,  // CapVer: not checked
+		"1.58":     true,  // CapVer: not checked
 		"1.56":     true,  // CapVer: 82
 		"1.54":     true,  // CapVer: 79
 		"1.52":     true,  // CapVer: 79
@@ -423,8 +426,10 @@ func (s *Scenario) WaitForTailscaleSync() error {
 	if err != nil {
 		for _, user := range s.users {
 			for _, client := range user.Clients {
-				peers, _ := client.PrettyPeers()
-				log.Println(peers)
+				peers, allOnline, _ := client.FailingPeersAsString()
+				if !allOnline {
+					log.Println(peers)
+				}
 			}
 		}
 	}
@@ -450,7 +455,7 @@ func (s *Scenario) WaitForTailscaleSyncWithPeerCount(peerCount int) error {
 	return nil
 }
 
-// CreateHeadscaleEnv is a conventient method returning a complete Headcale
+// CreateHeadscaleEnv is a convenient method returning a complete Headcale
 // test environment with nodes of all versions, joined to the server with X
 // users.
 func (s *Scenario) CreateHeadscaleEnv(

integration/tailscale.go

@@ -36,5 +36,8 @@ type TailscaleClient interface {
 	Ping(hostnameOrIP string, opts ...tsic.PingOption) error
 	Curl(url string, opts ...tsic.CurlOption) (string, error)
 	ID() string
-	PrettyPeers() (string, error)
+
+	// FailingPeersAsString returns a formatted-ish multi-line-string of peers in the client
+	// and a bool indicating if the clients online count and peer count is equal.
+	FailingPeersAsString() (string, bool, error)
 }

integration/tsic/tsic.go

@@ -691,15 +691,18 @@ func (t *TailscaleInContainer) FQDN() (string, error) {
 	return status.Self.DNSName, nil
 }
 
-// PrettyPeers returns a formatted-ish table of peers in the client.
-func (t *TailscaleInContainer) PrettyPeers() (string, error) {
+// FailingPeersAsString returns a formatted-ish multi-line-string of peers in the client
+// and a bool indicating if the clients online count and peer count is equal.
+func (t *TailscaleInContainer) FailingPeersAsString() (string, bool, error) {
 	status, err := t.Status()
 	if err != nil {
-		return "", fmt.Errorf("failed to get FQDN: %w", err)
+		return "", false, fmt.Errorf("failed to get FQDN: %w", err)
 	}
 
-	str := fmt.Sprintf("Peers of %s\n", t.hostname)
-	str += "Hostname\tOnline\tLastSeen\n"
+	var b strings.Builder
+
+	fmt.Fprintf(&b, "Peers of %s\n", t.hostname)
+	fmt.Fprint(&b, "Hostname\tOnline\tLastSeen\n")
 
 	peerCount := len(status.Peers())
 	onlineCount := 0
@@ -711,12 +714,12 @@ func (t *TailscaleInContainer) PrettyPeers() (string, error) {
 			onlineCount++
 		}
 
-		str += fmt.Sprintf("%s\t%t\t%s\n", peer.HostName, peer.Online, peer.LastSeen)
+		fmt.Fprintf(&b, "%s\t%t\t%s\n", peer.HostName, peer.Online, peer.LastSeen)
 	}
 
-	str += fmt.Sprintf("Peer Count: %d, Online Count: %d\n\n", peerCount, onlineCount)
+	fmt.Fprintf(&b, "Peer Count: %d, Online Count: %d\n\n", peerCount, onlineCount)
 
-	return str, nil
+	return b.String(), peerCount == onlineCount, nil
 }
 
 // WaitForNeedsLogin blocks until the Tailscale (tailscaled) instance has

integration/utils.go

@@ -331,7 +331,7 @@ func dockertestMaxWait() time.Duration {
 // 	return timeout
 // }
 
-// pingAllNegativeHelper is intended to have 1 or more nodes timeing out from the ping,
+// pingAllNegativeHelper is intended to have 1 or more nodes timing out from the ping,
 // it counts failures instead of successes.
 // func pingAllNegativeHelper(t *testing.T, clients []TailscaleClient, addrs []string) int {
 // 	t.Helper()

proto/headscale/v1/headscale.proto

@@ -9,6 +9,7 @@ import "headscale/v1/preauthkey.proto";
 import "headscale/v1/node.proto";
 import "headscale/v1/routes.proto";
 import "headscale/v1/apikey.proto";
+import "headscale/v1/policy.proto";
 // import "headscale/v1/device.proto";
 
 service HeadscaleService {
@@ -193,6 +194,22 @@ service HeadscaleService {
     }
     // --- ApiKeys end ---
 
+    // --- Policy start ---
+    rpc GetPolicy(GetPolicyRequest) returns (GetPolicyResponse) {
+        option (google.api.http) = {
+            get: "/api/v1/policy"
+        };
+    }
+
+    rpc SetPolicy(SetPolicyRequest) returns (SetPolicyResponse) {
+        option (google.api.http) = {
+            put: "/api/v1/policy"
+            body: "*"
+        };
+    }
+    // --- Policy end ---
+
+
     // Implement Tailscale API
     // rpc GetDevice(GetDeviceRequest) returns(GetDeviceResponse) {
     //     option(google.api.http) = {

proto/headscale/v1/policy.proto

@@ -0,0 +1,21 @@
+syntax = "proto3";
+package headscale.v1;
+option  go_package = "github.com/juanfont/headscale/gen/go/v1";
+
+import "google/protobuf/timestamp.proto";
+
+message SetPolicyRequest {
+  string policy = 1;
+}
+
+message SetPolicyResponse {
+  string                    policy = 1;
+  google.protobuf.Timestamp updated_at = 2;
+}
+
+message GetPolicyRequest {}
+
+message GetPolicyResponse {
+  string                    policy = 1;
+  google.protobuf.Timestamp updated_at = 2;
+}