Files
gitea/modules/bots/job_emitter.go
2022-11-25 17:48:47 +08:00

141 lines
3.4 KiB
Go

// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package bots
import (
"context"
"fmt"
bots_model "code.gitea.io/gitea/models/bots"
"code.gitea.io/gitea/models/db"
"code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/queue"
"xorm.io/builder"
)
var jobEmitterQueue queue.UniqueQueue
type jobUpdate struct {
RunID int64
}
func InitJobEmitter() {
jobEmitterQueue = queue.CreateUniqueQueue("bots_ready_job", jobEmitterQueueHandle, new(jobUpdate))
go graceful.GetManager().RunWithShutdownFns(jobEmitterQueue.Run)
}
func EmitJobsIfReady(runID int64) error {
return jobEmitterQueue.Push(&jobUpdate{
RunID: runID,
})
}
func jobEmitterQueueHandle(data ...queue.Data) []queue.Data {
ctx := graceful.GetManager().ShutdownContext()
var ret []queue.Data
for _, d := range data {
update := d.(*jobUpdate)
if err := checkJobsOfRun(ctx, update.RunID); err != nil {
ret = append(ret, d)
}
}
return ret
}
func checkJobsOfRun(ctx context.Context, runID int64) error {
return db.WithTx(func(ctx context.Context) error {
jobs, _, err := bots_model.FindRunJobs(ctx, bots_model.FindRunJobOptions{RunID: runID})
if err != nil {
return err
}
idToJobs := make(map[string][]*bots_model.RunJob, len(jobs))
for _, job := range jobs {
idToJobs[job.JobID] = append(idToJobs[job.JobID], job)
}
updates := newJobStatusResolver(jobs).Resolve()
for _, job := range jobs {
if status, ok := updates[job.ID]; ok {
job.Status = status
if n, err := bots_model.UpdateRunJob(ctx, job, builder.Eq{"status": bots_model.StatusBlocked}, "status"); err != nil {
return err
} else if n != 1 {
return fmt.Errorf("no affected for updating blocked job %v", job.ID)
}
}
}
return nil
}, ctx)
}
type jobStatusResolver struct {
statuses map[int64]bots_model.Status
needs map[int64][]int64
}
func newJobStatusResolver(jobs bots_model.RunJobList) *jobStatusResolver {
idToJobs := make(map[string][]*bots_model.RunJob, len(jobs))
for _, job := range jobs {
idToJobs[job.JobID] = append(idToJobs[job.JobID], job)
}
statuses := make(map[int64]bots_model.Status, len(jobs))
needs := make(map[int64][]int64, len(jobs))
for _, job := range jobs {
statuses[job.ID] = job.Status
for _, need := range job.Needs {
for _, v := range idToJobs[need] {
needs[job.ID] = append(needs[job.ID], v.ID)
}
}
}
return &jobStatusResolver{
statuses: statuses,
needs: needs,
}
}
func (r *jobStatusResolver) Resolve() map[int64]bots_model.Status {
ret := map[int64]bots_model.Status{}
for i := 0; i < len(r.statuses); i++ {
updated := r.resolve()
if len(updated) == 0 {
return ret
}
for k, v := range updated {
ret[k] = v
r.statuses[k] = v
}
}
return ret
}
func (r *jobStatusResolver) resolve() map[int64]bots_model.Status {
ret := map[int64]bots_model.Status{}
for id, status := range r.statuses {
if status != bots_model.StatusBlocked {
continue
}
allDone, allSucceed := true, true
for _, need := range r.needs[id] {
needStatus := r.statuses[need]
if !needStatus.IsDone() {
allDone = false
}
if needStatus.In(bots_model.StatusFailure, bots_model.StatusCancelled, bots_model.StatusSkipped) {
allSucceed = false
}
}
if allDone {
if allSucceed {
ret[id] = bots_model.StatusWaiting
} else {
ret[id] = bots_model.StatusSkipped
}
}
}
return ret
}