feat: proxmox idlewatcher (#88)

* feat: idle sleep for proxmox LXCs

* refactor: replace deprecated docker api types

* chore(api): remove debug task list endpoint

* refactor: move servemux to gphttp/servemux; favicon.go to v1/favicon

* refactor: introduce Pool interface, move agent_pool to agent module

* refactor: simplify api code

* feat: introduce debug api

* refactor: remove net.URL and net.CIDR types, improved unmarshal handling

* chore: update Makefile for debug build tag, update README

* chore: add gperr.Unwrap method

* feat: relative time and duration formatting

* chore: add ROOT_DIR environment variable, refactor

* migration: move homepage override and icon cache to $BASE_DIR/data, add migration code

* fix: nil dereference on marshalling service health

* fix: wait for route deletion

* chore: enhance tasks debuggability

* feat: stdout access logger and MultiWriter

* fix(agent): remove agent properly on verify error

* fix(metrics): disk exclusion logic and added corresponding tests

* chore: update schema and prettify, fix package.json and Makefile

* fix: I/O buffer not being shrunk before putting back to pool

* feat: enhanced error handling module

* chore: deps upgrade

* feat: better value formatting and handling

---------

Co-authored-by: yusing <yusing@6uo.me>

internal/task/debug.go

@@ -1,7 +1,8 @@
 package task
 
 import (
-	"slices"
+	"iter"
+	"strconv"
 	"strings"
 )
 
@@ -28,16 +29,37 @@ func (t *Task) listCallbacks() []string {
 	return callbacks
 }
 
-// DebugTaskList returns list of all tasks.
-//
-// The returned string is suitable for printing to the console.
-func DebugTaskList() []string {
-	l := make([]string, 0, allTasks.Size())
-
-	allTasks.RangeAll(func(t *Task) {
-		l = append(l, t.name)
-	})
-
-	slices.Sort(l)
-	return l
+func AllTasks() iter.Seq2[string, *Task] {
+	return func(yield func(k string, v *Task) bool) {
+		for t := range allTasks.Range {
+			if !yield(t.name, t) {
+				return
+			}
+		}
+	}
+}
+
+func (t *Task) Key() string {
+	return t.name
+}
+
+func (t *Task) callbackList() []map[string]any {
+	list := make([]map[string]any, 0, len(t.callbacks))
+	for cb := range t.callbacks {
+		list = append(list, map[string]any{
+			"about":         cb.about,
+			"wait_children": strconv.FormatBool(cb.waitChildren),
+		})
+	}
+	return list
+}
+
+func (t *Task) MarshalMap() map[string]any {
+	return map[string]any{
+		"name":          t.name,
+		"need_finish":   strconv.FormatBool(t.needFinish),
+		"childrens":     t.children,
+		"callbacks":     t.callbackList(),
+		"finish_called": t.finishedCalled,
+	}
 }