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Auto-update the system status in admin dashboard (#29163)

Browse source 
- Refactor the system status list into its own template
- Change the backend to return only the system status if htmx initiated
the request
- `hx-get="{{$.Link}}/system_status`: reuse the backend handler
- `hx-swap="innerHTML"`: replace the `<div>`'s innerHTML (essentially
the new template)
- `hx-trigger="every 5s"`: call every 5 seconds
- `hx-indicator=".divider"`: the `is-loading` class shouldn't be added
to the div during the request, so set it on an element it has no effect
on
- Render "Since Last GC Time" with `<relative-time>`, so we send a
timestamp

# Auto-update in action GIF

![action](https://github.com/go-gitea/gitea/assets/20454870/c6e1f220-f0fb-4460-ac3b-59f315e30e29)

---------

Signed-off-by: Yarden Shoham <git@yardenshoham.com>
Co-authored-by: silverwind <me@silverwind.io>
(cherry picked from commit c70f65e83bc1876fb368fd117d342573ff18a9e8)
This commit is contained in:
Yarden Shoham 2024-02-16 04:52:25 +02:00 committed by Earl Warren
parent 3adfb6cb72
commit 4f050f358a
No known key found for this signature in database
GPG key ID: 0579CB2928A78A00
9 changed files with 97 additions and 74 deletions
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6
package-lock.json generated
View file

@ -31,6 +31,7 @@
"escape-goat": "4.0.0",
"fast-glob": "3.3.2",
"htmx.org": "1.9.10",
"idiomorph": "0.3.0",
"jquery": "3.7.1",
"katex": "0.16.9",
"license-checker-webpack-plugin": "0.2.1",
@ -6174,6 +6175,11 @@
"postcss": "^8.1.0"
}
},
"node_modules/idiomorph": {
"version": "0.3.0",
"resolved": "https://registry.npmjs.org/idiomorph/-/idiomorph-0.3.0.tgz",
"integrity": "sha512-UhV1Ey5xCxIwR9B+OgIjQa+1Jx99XQ1vQHUsKBU1RpQzCx1u+b+N6SOXgf5mEJDqemUI/ffccu6+71l2mJUsRA=="
},
"node_modules/ieee754": {
"version": "1.2.1",
"resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",

1
package.json
View file

@ -30,6 +30,7 @@
"escape-goat": "4.0.0",
"fast-glob": "3.3.2",
"htmx.org": "1.9.10",
"idiomorph": "0.3.0",
"jquery": "3.7.1",
"katex": "0.16.9",
"license-checker-webpack-plugin": "0.2.1",

26
routers/web/admin/admin.go
View file

@ -28,13 +28,14 @@ import (
)
const (
tplDashboard base.TplName = "admin/dashboard"
tplSelfCheck base.TplName = "admin/self_check"
tplCron base.TplName = "admin/cron"
tplQueue base.TplName = "admin/queue"
tplStacktrace base.TplName = "admin/stacktrace"
tplQueueManage base.TplName = "admin/queue_manage"
tplStats base.TplName = "admin/stats"
tplDashboard base.TplName = "admin/dashboard"
tplSystemStatus base.TplName = "admin/system_status"
tplSelfCheck base.TplName = "admin/self_check"
tplCron base.TplName = "admin/cron"
tplQueue base.TplName = "admin/queue"
tplStacktrace base.TplName = "admin/stacktrace"
tplQueueManage base.TplName = "admin/queue_manage"
tplStats base.TplName = "admin/stats"
)
var sysStatus struct {
@ -72,7 +73,7 @@ var sysStatus struct {
// Garbage collector statistics.
NextGC string // next run in HeapAlloc time (bytes)
LastGC string // last run in absolute time (ns)
LastGCTime string // last run time
PauseTotalNs string
PauseNs string // circular buffer of recent GC pause times, most recent at [(NumGC+255)%256]
NumGC uint32
@ -110,7 +111,7 @@ func updateSystemStatus() {
sysStatus.OtherSys = base.FileSize(int64(m.OtherSys))
sysStatus.NextGC = base.FileSize(int64(m.NextGC))
sysStatus.LastGC = fmt.Sprintf("%.1fs", float64(time.Now().UnixNano()-int64(m.LastGC))/1000/1000/1000)
sysStatus.LastGCTime = time.Unix(0, int64(m.LastGC)).Format(time.RFC3339)
sysStatus.PauseTotalNs = fmt.Sprintf("%.1fs", float64(m.PauseTotalNs)/1000/1000/1000)
sysStatus.PauseNs = fmt.Sprintf("%.3fs", float64(m.PauseNs[(m.NumGC+255)%256])/1000/1000/1000)
sysStatus.NumGC = m.NumGC
@ -132,7 +133,6 @@ func Dashboard(ctx *context.Context) {
ctx.Data["PageIsAdminDashboard"] = true
ctx.Data["NeedUpdate"] = updatechecker.GetNeedUpdate(ctx)
ctx.Data["RemoteVersion"] = updatechecker.GetRemoteVersion(ctx)
// FIXME: update periodically
updateSystemStatus()
ctx.Data["SysStatus"] = sysStatus
ctx.Data["SSH"] = setting.SSH
@ -140,6 +140,12 @@ func Dashboard(ctx *context.Context) {
ctx.HTML(http.StatusOK, tplDashboard)
}
func SystemStatus(ctx *context.Context) {
updateSystemStatus()
ctx.Data["SysStatus"] = sysStatus
ctx.HTML(http.StatusOK, tplSystemStatus)
}
// DashboardPost run an admin operation
func DashboardPost(ctx *context.Context) {
form := web.GetForm(ctx).(*forms.AdminDashboardForm)

1
routers/web/web.go
View file

@ -681,6 +681,7 @@ func registerRoutes(m *web.Route) {
// ***** START: Admin *****
m.Group("/admin", func() {
m.Get("", admin.Dashboard)
m.Get("/system_status", admin.SystemStatus)
m.Post("", web.Bind(forms.AdminDashboardForm{}), admin.DashboardPost)
if setting.Database.Type.IsMySQL() || setting.Database.Type.IsMSSQL() {

66
templates/admin/dashboard.tmpl
View file

@ -75,69 +75,9 @@
<h4 class="ui top attached header">
{{ctx.Locale.Tr "admin.dashboard.system_status"}}
</h4>
<div class="ui attached table segment">
<dl class="admin-dl-horizontal">
<dt>{{ctx.Locale.Tr "admin.dashboard.server_uptime"}}</dt>
<dd><relative-time format="duration" datetime="{{.SysStatus.StartTime}}">{{.SysStatus.StartTime}}</relative-time></dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.current_goroutine"}}</dt>
<dd>{{.SysStatus.NumGoroutine}}</dd>
<div class="divider"></div>
<dt>{{ctx.Locale.Tr "admin.dashboard.current_memory_usage"}}</dt>
<dd>{{.SysStatus.MemAllocated}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.total_memory_allocated"}}</dt>
<dd>{{.SysStatus.MemTotal}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.memory_obtained"}}</dt>
<dd>{{.SysStatus.MemSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.pointer_lookup_times"}}</dt>
<dd>{{.SysStatus.Lookups}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.memory_allocate_times"}}</dt>
<dd>{{.SysStatus.MemMallocs}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.memory_free_times"}}</dt>
<dd>{{.SysStatus.MemFrees}}</dd>
<div class="divider"></div>
<dt>{{ctx.Locale.Tr "admin.dashboard.current_heap_usage"}}</dt>
<dd>{{.SysStatus.HeapAlloc}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.heap_memory_obtained"}}</dt>
<dd>{{.SysStatus.HeapSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.heap_memory_idle"}}</dt>
<dd>{{.SysStatus.HeapIdle}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.heap_memory_in_use"}}</dt>
<dd>{{.SysStatus.HeapInuse}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.heap_memory_released"}}</dt>
<dd>{{.SysStatus.HeapReleased}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.heap_objects"}}</dt>
<dd>{{.SysStatus.HeapObjects}}</dd>
<div class="divider"></div>
<dt>{{ctx.Locale.Tr "admin.dashboard.bootstrap_stack_usage"}}</dt>
<dd>{{.SysStatus.StackInuse}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.stack_memory_obtained"}}</dt>
<dd>{{.SysStatus.StackSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.mspan_structures_usage"}}</dt>
<dd>{{.SysStatus.MSpanInuse}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.mspan_structures_obtained"}}</dt>
<dd>{{.SysStatus.MSpanSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.mcache_structures_usage"}}</dt>
<dd>{{.SysStatus.MCacheInuse}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.mcache_structures_obtained"}}</dt>
<dd>{{.SysStatus.MCacheSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.profiling_bucket_hash_table_obtained"}}</dt>
<dd>{{.SysStatus.BuckHashSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.gc_metadata_obtained"}}</dt>
<dd>{{.SysStatus.GCSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.other_system_allocation_obtained"}}</dt>
<dd>{{.SysStatus.OtherSys}}</dd>
<div class="divider"></div>
<dt>{{ctx.Locale.Tr "admin.dashboard.next_gc_recycle"}}</dt>
<dd>{{.SysStatus.NextGC}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.last_gc_time"}}</dt>
<dd>{{.SysStatus.LastGC}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.total_gc_pause"}}</dt>
<dd>{{.SysStatus.PauseTotalNs}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.last_gc_pause"}}</dt>
<dd>{{.SysStatus.PauseNs}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.gc_times"}}</dt>
<dd>{{.SysStatus.NumGC}}</dd>
</dl>
{{/* TODO: make these stats work in multi-server deployments, likely needs per-server stats in DB */}}
<div hx-get="{{$.Link}}/system_status" hx-swap="morph:innerHTML" hx-trigger="every 5s" hx-indicator=".divider" class="ui attached table segment">
{{template "admin/system_status" .}}
</div>
</div>
{{template "admin/layout_footer" .}}

62
templates/admin/system_status.tmpl Normal file
View file

@ -0,0 +1,62 @@
<dl class="admin-dl-horizontal">
<dt>{{ctx.Locale.Tr "admin.dashboard.server_uptime"}}</dt>
<dd><relative-time format="duration" datetime="{{.SysStatus.StartTime}}">{{.SysStatus.StartTime}}</relative-time></dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.current_goroutine"}}</dt>
<dd>{{.SysStatus.NumGoroutine}}</dd>
<div class="divider"></div>
<dt>{{ctx.Locale.Tr "admin.dashboard.current_memory_usage"}}</dt>
<dd>{{.SysStatus.MemAllocated}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.total_memory_allocated"}}</dt>
<dd>{{.SysStatus.MemTotal}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.memory_obtained"}}</dt>
<dd>{{.SysStatus.MemSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.pointer_lookup_times"}}</dt>
<dd>{{.SysStatus.Lookups}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.memory_allocate_times"}}</dt>
<dd>{{.SysStatus.MemMallocs}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.memory_free_times"}}</dt>
<dd>{{.SysStatus.MemFrees}}</dd>
<div class="divider"></div>
<dt>{{ctx.Locale.Tr "admin.dashboard.current_heap_usage"}}</dt>
<dd>{{.SysStatus.HeapAlloc}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.heap_memory_obtained"}}</dt>
<dd>{{.SysStatus.HeapSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.heap_memory_idle"}}</dt>
<dd>{{.SysStatus.HeapIdle}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.heap_memory_in_use"}}</dt>
<dd>{{.SysStatus.HeapInuse}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.heap_memory_released"}}</dt>
<dd>{{.SysStatus.HeapReleased}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.heap_objects"}}</dt>
<dd>{{.SysStatus.HeapObjects}}</dd>
<div class="divider"></div>
<dt>{{ctx.Locale.Tr "admin.dashboard.bootstrap_stack_usage"}}</dt>
<dd>{{.SysStatus.StackInuse}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.stack_memory_obtained"}}</dt>
<dd>{{.SysStatus.StackSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.mspan_structures_usage"}}</dt>
<dd>{{.SysStatus.MSpanInuse}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.mspan_structures_obtained"}}</dt>
<dd>{{.SysStatus.MSpanSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.mcache_structures_usage"}}</dt>
<dd>{{.SysStatus.MCacheInuse}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.mcache_structures_obtained"}}</dt>
<dd>{{.SysStatus.MCacheSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.profiling_bucket_hash_table_obtained"}}</dt>
<dd>{{.SysStatus.BuckHashSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.gc_metadata_obtained"}}</dt>
<dd>{{.SysStatus.GCSys}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.other_system_allocation_obtained"}}</dt>
<dd>{{.SysStatus.OtherSys}}</dd>
<div class="divider"></div>
<dt>{{ctx.Locale.Tr "admin.dashboard.next_gc_recycle"}}</dt>
<dd>{{.SysStatus.NextGC}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.last_gc_time"}}</dt>
<dd><relative-time format="duration" datetime="{{.SysStatus.LastGCTime}}">{{.SysStatus.LastGCTime}}</relative-time></dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.total_gc_pause"}}</dt>
<dd>{{.SysStatus.PauseTotalNs}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.last_gc_pause"}}</dt>
<dd>{{.SysStatus.PauseNs}}</dd>
<dt>{{ctx.Locale.Tr "admin.dashboard.gc_times"}}</dt>
<dd>{{.SysStatus.NumGC}}</dd>
</dl>

2
templates/base/head.tmpl
View file

@ -30,7 +30,7 @@
{{template "base/head_style" .}}
{{template "custom/header" .}}
</head>
<body hx-headers='{"x-csrf-token": "{{.CsrfToken}}"}' hx-swap="outerHTML" hx-push-url="false">
<body hx-headers='{"x-csrf-token": "{{.CsrfToken}}"}' hx-swap="outerHTML" hx-ext="morph" hx-push-url="false">
{{ctx.DataRaceCheck $.Context}}
{{template "custom/body_outer_pre" .}}

3
web_src/js/htmx.js
View file

@ -1,6 +1,9 @@
import * as htmx from 'htmx.org';
import {showErrorToast} from './modules/toast.js';
// https://github.com/bigskysoftware/idiomorph#htmx
import 'idiomorph/dist/idiomorph-ext.js';
// https://htmx.org/reference/#config
htmx.config.requestClass = 'is-loading';
htmx.config.scrollIntoViewOnBoost = false;

4
webpack.config.js
View file

@ -173,6 +173,9 @@ export default {
],
},
plugins: [
new webpack.ProvidePlugin({ // for htmx extensions
htmx: 'htmx.org',
}),
new DefinePlugin({
__VUE_OPTIONS_API__: true, // at the moment, many Vue components still use the Vue Options API
__VUE_PROD_DEVTOOLS__: false, // do not enable devtools support in production
@ -211,6 +214,7 @@ export default {
override: {
'khroma@*': {licenseName: 'MIT'}, // https://github.com/fabiospampinato/khroma/pull/33
'htmx.org@1.9.10': {licenseName: 'BSD-2-Clause'}, // "BSD 2-Clause" -> "BSD-2-Clause"
'idiomorph@0.3.0': {licenseName: 'BSD-2-Clause'}, // "BSD 2-Clause" -> "BSD-2-Clause"
},
emitError: true,
allow: '(Apache-2.0 OR BSD-2-Clause OR BSD-3-Clause OR MIT OR ISC OR CPAL-1.0 OR Unlicense OR EPL-1.0 OR EPL-2.0)',