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Improve trace logging for pulls and processes (#22633)

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Our trace logging is far from perfect and is difficult to follow.

This PR:

* Add trace logging for process manager add and remove.
* Fixes an errant read file for git refs in getMergeCommit
* Brings in the pullrequest `String` and `ColorFormat` methods
introduced in #22568
* Adds a lot more logging in to testPR etc.

Ref #22578

---------

Signed-off-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
zeripath
2023-02-03 23:11:48 +00:00
committed by GitHub
parent 01f082287d
commit 3c5655ce18
9 changed files with 233 additions and 149 deletions
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22
modules/process/manager.go
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@@ -6,6 +6,7 @@ package process
import (
"context"
"log"
"runtime/pprof"
"strconv"
"sync"
@@ -43,6 +44,18 @@ type IDType string
// - it is simply an alias for context.CancelFunc and is only for documentary purposes
type FinishedFunc = context.CancelFunc
var Trace = defaultTrace // this global can be overridden by particular logging packages - thus avoiding import cycles
func defaultTrace(start bool, pid IDType, description string, parentPID IDType, typ string) {
if start && parentPID != "" {
log.Printf("start process %s: %s (from %s) (%s)", pid, description, parentPID, typ)
} else if start {
log.Printf("start process %s: %s (%s)", pid, description, typ)
} else {
log.Printf("end process %s: %s", pid, description)
}
}
// Manager manages all processes and counts PIDs.
type Manager struct {
mutex sync.Mutex
@@ -154,6 +167,7 @@ func (pm *Manager) Add(ctx context.Context, description string, cancel context.C
pm.processMap[pid] = process
pm.mutex.Unlock()
Trace(true, pid, description, parentPID, processType)
pprofCtx := pprof.WithLabels(ctx, pprof.Labels(DescriptionPProfLabel, description, PPIDPProfLabel, string(parentPID), PIDPProfLabel, string(pid), ProcessTypePProfLabel, processType))
if currentlyRunning {
@@ -185,18 +199,12 @@ func (pm *Manager) nextPID() (start time.Time, pid IDType) {
return start, pid
}
// Remove a process from the ProcessManager.
func (pm *Manager) Remove(pid IDType) {
pm.mutex.Lock()
delete(pm.processMap, pid)
pm.mutex.Unlock()
}
func (pm *Manager) remove(process *process) {
pm.mutex.Lock()
defer pm.mutex.Unlock()
if p := pm.processMap[process.PID]; p == process {
delete(pm.processMap, process.PID)
Trace(false, process.PID, process.Description, process.ParentPID, process.Type)
}
}