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58dfaf3a75
Although some features are mixed together in this PR, this PR is not
that large, and these features are all related.
Actually there are more than 70 lines are for a toy "test queue", so
this PR is quite simple.
Major features:
1. Allow site admin to clear a queue (remove all items in a queue)
* Because there is no transaction, the "unique queue" could be corrupted
in rare cases, that's unfixable.
* eg: the item is in the "set" but not in the "list", so the item would
never be able to be pushed into the queue.
* Now site admin could simply clear the queue, then everything becomes
correct, the lost items could be re-pushed into queue by future
operations.
3. Split the "admin/monitor" to separate pages
4. Allow to download diagnosis report
* In history, there were many users reporting that Gitea queue gets
stuck, or Gitea's CPU is 100%
* With diagnosis report, maintainers could know what happens clearly
The diagnosis report sample:
[gitea-diagnosis-20230510-192913.zip](https://github.com/go-gitea/gitea/files/11441346/gitea-diagnosis-20230510-192913.zip)
, use "go tool pprof profile.dat" to view the report.
Screenshots:
---------
Co-authored-by: Jason Song <i@wolfogre.com>
Co-authored-by: Giteabot <teabot@gitea.io>
62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
// Copyright 2023 The Gitea Authors.
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// SPDX-License-Identifier: MIT
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package admin
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import (
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"archive/zip"
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"fmt"
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"runtime/pprof"
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"time"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/httplib"
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)
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func MonitorDiagnosis(ctx *context.Context) {
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seconds := ctx.FormInt64("seconds")
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if seconds <= 5 {
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seconds = 5
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}
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if seconds > 300 {
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seconds = 300
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}
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httplib.ServeSetHeaders(ctx.Resp, &httplib.ServeHeaderOptions{
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ContentType: "application/zip",
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Disposition: "attachment",
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Filename: fmt.Sprintf("gitea-diagnosis-%s.zip", time.Now().Format("20060102-150405")),
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})
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zipWriter := zip.NewWriter(ctx.Resp)
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defer zipWriter.Close()
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f, err := zipWriter.CreateHeader(&zip.FileHeader{Name: "goroutine-before.txt", Method: zip.Deflate, Modified: time.Now()})
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if err != nil {
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ctx.ServerError("Failed to create zip file", err)
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return
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}
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_ = pprof.Lookup("goroutine").WriteTo(f, 1)
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f, err = zipWriter.CreateHeader(&zip.FileHeader{Name: "cpu-profile.dat", Method: zip.Deflate, Modified: time.Now()})
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if err != nil {
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ctx.ServerError("Failed to create zip file", err)
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return
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}
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err = pprof.StartCPUProfile(f)
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if err == nil {
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time.Sleep(time.Duration(seconds) * time.Second)
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pprof.StopCPUProfile()
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} else {
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_, _ = f.Write([]byte(err.Error()))
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}
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f, err = zipWriter.CreateHeader(&zip.FileHeader{Name: "goroutine-after.txt", Method: zip.Deflate, Modified: time.Now()})
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if err != nil {
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ctx.ServerError("Failed to create zip file", err)
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return
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}
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_ = pprof.Lookup("goroutine").WriteTo(f, 1)
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}
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