mattermost/plugin/scheduler/worker.go
Eli Yukelzon 17523fa5d9
MM-21898 - Part 1: Generate and use an interface instead of *A… (#13840)
* Generate and use an interface instead of *App
2020-02-13 13:26:58 +01:00

97 lines
2.8 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package scheduler
import (
"github.com/mattermost/mattermost-server/v5/app"
"github.com/mattermost/mattermost-server/v5/jobs"
"github.com/mattermost/mattermost-server/v5/mlog"
"github.com/mattermost/mattermost-server/v5/model"
)
type Worker struct {
name string
stop chan bool
stopped chan bool
jobs chan model.Job
jobServer *jobs.JobServer
app *app.App
}
func (m *PluginsJobInterfaceImpl) MakeWorker() model.Worker {
worker := Worker{
name: "Plugins",
stop: make(chan bool, 1),
stopped: make(chan bool, 1),
jobs: make(chan model.Job),
jobServer: m.App.Srv().Jobs,
app: m.App,
}
return &worker
}
func (worker *Worker) Run() {
mlog.Debug("Worker started", mlog.String("worker", worker.name))
defer func() {
mlog.Debug("Worker finished", mlog.String("worker", worker.name))
worker.stopped <- true
}()
for {
select {
case <-worker.stop:
mlog.Debug("Worker received stop signal", mlog.String("worker", worker.name))
return
case job := <-worker.jobs:
mlog.Debug("Worker received a new candidate job.", mlog.String("worker", worker.name))
worker.DoJob(&job)
}
}
}
func (worker *Worker) Stop() {
mlog.Debug("Worker stopping", mlog.String("worker", worker.name))
worker.stop <- true
<-worker.stopped
}
func (worker *Worker) JobChannel() chan<- model.Job {
return worker.jobs
}
func (worker *Worker) DoJob(job *model.Job) {
if claimed, err := worker.jobServer.ClaimJob(job); err != nil {
mlog.Info("Worker experienced an error while trying to claim job",
mlog.String("worker", worker.name),
mlog.String("job_id", job.Id),
mlog.String("error", err.Error()))
return
} else if !claimed {
return
}
if err := worker.app.DeleteAllExpiredPluginKeys(); err != nil {
mlog.Error("Worker: Failed to delete expired keys", mlog.String("worker", worker.name), mlog.String("job_id", job.Id), mlog.String("error", err.Error()))
worker.setJobError(job, err)
return
}
mlog.Info("Worker: Job is complete", mlog.String("worker", worker.name), mlog.String("job_id", job.Id))
worker.setJobSuccess(job)
}
func (worker *Worker) setJobSuccess(job *model.Job) {
if err := worker.app.Srv().Jobs.SetJobSuccess(job); err != nil {
mlog.Error("Worker: Failed to set success for job", mlog.String("worker", worker.name), mlog.String("job_id", job.Id), mlog.String("error", err.Error()))
worker.setJobError(job, err)
}
}
func (worker *Worker) setJobError(job *model.Job, appError *model.AppError) {
if err := worker.app.Srv().Jobs.SetJobError(job, appError); err != nil {
mlog.Error("Worker: Failed to set job error", mlog.String("worker", worker.name), mlog.String("job_id", job.Id), mlog.String("error", err.Error()))
}
}