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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "github.com/nats-io/nats.go" | ||
| "k8s.io/client-go/rest" | ||
| ) | ||
|
|
||
| type OutDatedImagesJob struct { | ||
| config *rest.Config | ||
| js nats.JetStreamContext | ||
| frequency string | ||
| } | ||
|
|
||
| func NewOutDatedImagesJob(config *rest.Config, js nats.JetStreamContext, frequency string) (*OutDatedImagesJob, error) { | ||
| return &OutDatedImagesJob{ | ||
| config: config, | ||
| js: js, | ||
| frequency: frequency, | ||
| }, nil | ||
| } | ||
| func (v *OutDatedImagesJob) CronSpec() string { | ||
| return v.frequency | ||
| } | ||
|
|
||
| func (j *OutDatedImagesJob) Run() { | ||
| // Call the outDatedImages function with the provided config and js | ||
| err := OutDatedImages(j.config, j.js) | ||
| LogErr(err) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "sync" | ||
|
|
||
| "github.com/pkg/errors" | ||
| "github.com/robfig/cron/v3" | ||
|
|
||
| "github.com/intelops/go-common/logging" | ||
| ) | ||
|
|
||
| type jobHandler interface { | ||
| CronSpec() string | ||
| Run() | ||
| } | ||
|
|
||
| type Scheduler struct { | ||
| log logging.Logger | ||
| jobs map[string]jobHandler | ||
| cronIDs map[string]cron.EntryID | ||
| c *cron.Cron | ||
| cronMutex *sync.Mutex | ||
| } | ||
|
|
||
| func NewScheduler(log logging.Logger) *Scheduler { | ||
| clog := cron.VerbosePrintfLogger(log.(logging.StdLogger)) | ||
| return &Scheduler{ | ||
| log: log, | ||
| c: cron.New(cron.WithChain(cron.SkipIfStillRunning(clog), cron.Recover(clog))), | ||
| jobs: map[string]jobHandler{}, | ||
| cronIDs: map[string]cron.EntryID{}, | ||
| cronMutex: &sync.Mutex{}, | ||
| } | ||
| } | ||
|
|
||
| func (t *Scheduler) AddJob(jobName string, job jobHandler) error { | ||
| t.cronMutex.Lock() | ||
| defer t.cronMutex.Unlock() | ||
| _, ok := t.cronIDs[jobName] | ||
| if ok { | ||
| return errors.Errorf("%s job already exists", jobName) | ||
| } | ||
| spec := job.CronSpec() | ||
| if spec == "" { | ||
| return errors.Errorf("%s job has no cron spec", jobName) | ||
| } | ||
| entryID, err := t.c.AddJob(spec, job) | ||
| if err != nil { | ||
| return errors.WithMessagef(err, "%s job cron spec not valid", jobName) | ||
| } | ||
|
|
||
| t.jobs[jobName] = job | ||
| t.cronIDs[jobName] = entryID | ||
| t.log.Infof("%s job added with cron '%s'", jobName, spec) | ||
| return nil | ||
| } | ||
|
|
||
| // RemoveJob ... | ||
| func (t *Scheduler) RemoveJob(jobName string) error { | ||
| t.cronMutex.Lock() | ||
| defer t.cronMutex.Unlock() | ||
| entryID, ok := t.cronIDs[jobName] | ||
| if !ok { | ||
| return errors.Errorf("%s job not exist", jobName) | ||
| } | ||
|
|
||
| t.c.Remove(entryID) | ||
| delete(t.jobs, jobName) | ||
| delete(t.cronIDs, jobName) | ||
| t.log.Infof("%s job removed", jobName) | ||
| return nil | ||
| } | ||
|
|
||
| func (t *Scheduler) Start() { | ||
| t.c.Start() | ||
| t.log.Infof("Job scheduler started") | ||
| } | ||
|
|
||
| func (t *Scheduler) Stop() { | ||
| t.c.Stop() | ||
| t.log.Infof("Job scheduler stopped") | ||
| } | ||
|
|
||
| func (t *Scheduler) GetJobs() map[string]jobHandler { | ||
| t.cronMutex.Lock() | ||
| defer t.cronMutex.Unlock() | ||
| return t.jobs | ||
| } |
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