Add flag to allow switch off the update of Ingress status

core/pkg/ingress/controller/controller.go

@@ -128,6 +128,8 @@ type Configuration struct {
 	// Backend is the particular implementation to be used.
 	// (for instance NGINX)
 	Backend ingress.Controller
+
+	UpdateStatus bool
 }
 
 // newIngressController creates an Ingress controller
@@ -257,11 +259,15 @@ func newIngressController(config *Configuration) *GenericController {
 		cache.ResourceEventHandlerFuncs{},
 		cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc})
 
+	if config.UpdateStatus {
 		ic.syncStatus = status.NewStatusSyncer(status.Config{
 			Client:         config.Client,
 			PublishService: ic.cfg.PublishService,
 			IngressLister:  ic.ingLister,
 		})
+	} else {
+		glog.Warning("Update of ingress status is disabled (flag --update-status=false was specified)")
+	}
 
 	ic.annotations = newAnnotationExtractor(ic)
 
@@ -970,7 +976,9 @@ func (ic GenericController) Stop() error {
 		close(ic.stopCh)
 		go ic.syncQueue.Shutdown()
 		go ic.secretQueue.Shutdown()
+		if ic.syncStatus != nil {
 			ic.syncStatus.Shutdown()
+		}
 		return nil
 	}
 
@@ -990,7 +998,9 @@ func (ic GenericController) Start() {
 	go ic.secretQueue.Run(5*time.Second, ic.stopCh)
 	go ic.syncQueue.Run(5*time.Second, ic.stopCh)
 
+	if ic.syncStatus != nil {
 		go ic.syncStatus.Run(ic.stopCh)
+	}
 
 	<-ic.stopCh
 }

core/pkg/ingress/controller/launch.go

@@ -73,6 +73,9 @@ func NewIngressController(backend ingress.Controller) *GenericController {
 
 		defHealthzURL = flags.String("health-check-path", "/healthz", `Defines 
 		the URL to be used as health check inside in the default server in NGINX.`)
+
+		updateStatus = flags.Bool("update-status", true, `Indicates if the 
+		ingress controller should update the Ingress status IP/hostname. Default is true`)
 	)
 
 	flags.AddGoFlagSet(flag.CommandLine)
@@ -134,6 +137,7 @@ func NewIngressController(backend ingress.Controller) *GenericController {
 	os.MkdirAll(ingress.DefaultSSLDirectory, 0655)
 
 	config := &Configuration{
+		UpdateStatus:          *updateStatus,
 		Client:                kubeClient,
 		ResyncPeriod:          *resyncPeriod,
 		DefaultService:        *defaultSvc,