Use informer for service monitor

pkg/csoclients/csoclients.go

@@ -41,7 +41,9 @@ type Clients struct {
 	// config.openshift.io informers
 	ConfigInformers cfginformers.SharedInformerFactory
 
-	MonitoringClient   promclient.Interface
+	// Client for talking using prometheus-operator APIs (ServiceMonitor)
+	MonitoringClient promclient.Interface
+	// informer for prometheus-operator APIs
 	MonitoringInformer prominformer.SharedInformerFactory
 
 	// Dynamic client for OLM and old CSI operator APIs
@@ -102,6 +104,12 @@ func NewClients(controllerConfig *controllercmd.ControllerContext, resync time.D
 	}
 	c.ExtensionInformer = apiextinformers.NewSharedInformerFactory(c.ExtensionClientSet, resync)
 
+	c.MonitoringClient, err = promclient.NewForConfig(controllerConfig.KubeConfig)
+	if err != nil {
+		return nil, err
+	}
+	c.MonitoringInformer = prominformer.NewSharedInformerFactory(c.MonitoringClient, resync)
+
 	c.OperatorClient = &operatorclient.OperatorClient{
 		Informers: c.OperatorInformers,
 		Client:    c.OperatorClientSet,
@@ -117,6 +125,7 @@ func StartInformers(clients *Clients, stopCh <-chan struct{}) {
 		clients.OperatorInformers,
 		clients.ConfigInformers,
 		clients.ExtensionInformer,
+		clients.MonitoringInformer,
 	} {
 		informer.Start(stopCh)
 	}

pkg/operator/vsphereproblemdetector/monitoring.go

@@ -39,9 +39,11 @@ func newMonitoringController(
 		eventRecorder:  eventRecorder,
 	}
 	return factory.New().
-		WithInformers(c.operatorClient.Informer()).
 		WithSync(c.sync).
-		ResyncEvery(time.Minute).
+		WithInformers(
+			c.operatorClient.Informer(),
+			clients.MonitoringInformer.Monitoring().V1().ServiceMonitors().Informer()).
+		ResyncEvery(resyncInterval).
 		WithSyncDegradedOnError(clients.OperatorClient).
 		ToController(monitoringControllerName, eventRecorder.WithComponentSuffix("vsphere-monitoring-controller"))
 }