code: func (jm *Controller) Run(stopCh <-chan struct{}) {
  	defer utilruntime.HandleCrash()
  	klog.Infof("Starting CronJob Manager")
  	// Check things every 10 second.
  	go wait.Until(jm.syncAll, 10*time.Second, stopCh)
  	<-stopCh
  	klog.Infof("Shutting down CronJob Manager")
  }
docs: // Run starts the main goroutine responsible for watching and syncing jobs.