🚒 add error message in controller

pkg/controller/job/job_controller.go

@@ -95,12 +95,10 @@ func NewJobController(jobInformer batchv1informers.JobInformer, client clientset
 }
 
 func (v *JobController) Start(stopCh <-chan struct{}) error {
-	v.Run(5, stopCh)
-
-	return nil
+	return v.Run(5, stopCh)
 }
 
-func (v *JobController) Run(workers int, stopCh <-chan struct{}) {
+func (v *JobController) Run(workers int, stopCh <-chan struct{}) error {
 	defer utilruntime.HandleCrash()
 	defer v.queue.ShutDown()
 
@@ -108,7 +106,7 @@ func (v *JobController) Run(workers int, stopCh <-chan struct{}) {
 	defer log.Info("shutting down job controller")
 
 	if !cache.WaitForCacheSync(stopCh, v.jobSynced) {
-		return
+		return fmt.Errorf("failed to wait for caches to sync")
 	}
 
 	for i := 0; i < workers; i++ {
@@ -116,6 +114,7 @@ func (v *JobController) Run(workers int, stopCh <-chan struct{}) {
 	}
 
 	<-stopCh
+	return nil
 }
 
 func (v *JobController) enqueueJob(obj interface{}) {