Add optimistic lock to ActionRun table (#26563)

Should fix #26559.

How xorm works: https://xorm.io/docs/chapter-06/1.lock/

---------

Co-authored-by: Giteabot <teabot@gitea.io>
This commit is contained in:
Jason Song 2023-08-21 22:07:52 +08:00 committed by GitHub
parent 42cbe6005a
commit 8cf3b61fb9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 53 additions and 25 deletions

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@ -43,6 +43,7 @@ type ActionRun struct {
EventPayload string `xorm:"LONGTEXT"`
TriggerEvent string // the trigger event defined in the `on` configuration of the triggered workflow
Status Status `xorm:"index"`
Version int `xorm:"version default 0"` // Status could be updated concomitantly, so an optimistic lock is needed
Started timeutil.TimeStamp
Stopped timeutil.TimeStamp
Created timeutil.TimeStamp `xorm:"created"`
@ -332,12 +333,22 @@ func GetRunByIndex(ctx context.Context, repoID, index int64) (*ActionRun, error)
return run, nil
}
// UpdateRun updates a run.
// It requires the inputted run has Version set.
// It will return error if the version is not matched (it means the run has been changed after loaded).
func UpdateRun(ctx context.Context, run *ActionRun, cols ...string) error {
sess := db.GetEngine(ctx).ID(run.ID)
if len(cols) > 0 {
sess.Cols(cols...)
}
_, err := sess.Update(run)
affected, err := sess.Update(run)
if err != nil {
return err
}
if affected == 0 {
return fmt.Errorf("run has changed")
// It's impossible that the run is not found, since Gitea never deletes runs.
}
if run.Status != 0 || util.SliceContains(cols, "status") {
if run.RepoID == 0 {
@ -358,7 +369,7 @@ func UpdateRun(ctx context.Context, run *ActionRun, cols ...string) error {
}
}
return err
return nil
}
type ActionRunIndex db.ResourceIndex

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@ -114,32 +114,41 @@ func UpdateRunJob(ctx context.Context, job *ActionRunJob, cond builder.Cond, col
if affected != 0 && util.SliceContains(cols, "status") && job.Status.IsWaiting() {
// if the status of job changes to waiting again, increase tasks version.
if err := IncreaseTaskVersion(ctx, job.OwnerID, job.RepoID); err != nil {
return affected, err
return 0, err
}
}
if job.RunID == 0 {
var err error
if job, err = GetRunJobByID(ctx, job.ID); err != nil {
return affected, err
return 0, err
}
}
{
// Other goroutines may aggregate the status of the run and update it too.
// So we need load the run and its jobs before updating the run.
run, err := GetRunByID(ctx, job.RunID)
if err != nil {
return 0, err
}
jobs, err := GetRunJobsByRunID(ctx, job.RunID)
if err != nil {
return affected, err
return 0, err
}
runStatus := aggregateJobStatus(jobs)
run := &ActionRun{
ID: job.RunID,
Status: runStatus,
run.Status = aggregateJobStatus(jobs)
if run.Started.IsZero() && run.Status.IsRunning() {
run.Started = timeutil.TimeStampNow()
}
if runStatus.IsDone() {
if run.Stopped.IsZero() && run.Status.IsDone() {
run.Stopped = timeutil.TimeStampNow()
}
return affected, UpdateRun(ctx, run)
if err := UpdateRun(ctx, run, "status", "started", "stopped"); err != nil {
return 0, fmt.Errorf("update run %d: %w", run.ID, err)
}
}
return affected, nil
}
func aggregateJobStatus(jobs []*ActionRunJob) Status {

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@ -317,14 +317,6 @@ func CreateTaskForRunner(ctx context.Context, runner *ActionRunner) (*ActionTask
return nil, false, nil
}
if job.Run.Status.IsWaiting() {
job.Run.Status = StatusRunning
job.Run.Started = now
if err := UpdateRun(ctx, job.Run, "status", "started"); err != nil {
return nil, false, err
}
}
task.Job = job
if err := commiter.Commit(); err != nil {

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@ -524,6 +524,8 @@ var migrations = []Migration{
NewMigration("Fix PackageProperty typo", v1_21.FixPackagePropertyTypo),
// v271 -> v272
NewMigration("Allow archiving labels", v1_21.AddArchivedUnixColumInLabelTable),
// v272 -> v273
NewMigration("Add Version to ActionRun table", v1_21.AddVersionToActionRunTable),
}
// GetCurrentDBVersion returns the current db version

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@ -0,0 +1,14 @@
// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package v1_21 //nolint
import (
"xorm.io/xorm"
)
func AddVersionToActionRunTable(x *xorm.Engine) error {
type ActionRun struct {
Version int `xorm:"version default 0"`
}
return x.Sync(new(ActionRun))
}