K8SPSMDB-1003: Disable cache reflector for corev1.Node (#1533)

Author: egegunes

pkg/controller/perconaservermongodb/psmdb_controller.go

@@ -75,8 +75,18 @@ func newReconciler(mgr manager.Manager) (reconcile.Reconciler, error) {
 		return nil, errors.Wrap(err, "failed to get operator pod image")
 	}
 
+	client, err := client.New(mgr.GetConfig(), client.Options{
+		Scheme: mgr.GetScheme(),
+		Cache: &client.CacheOptions{
+			DisableFor: []client.Object{&corev1.Node{}},
+		},
+	})
+	if err != nil {
+		return nil, errors.Wrap(err, "create client")
+	}
+
 	return &ReconcilePerconaServerMongoDB{
-		client:                 mgr.GetClient(),
+		client:                 client,
 		scheme:                 mgr.GetScheme(),
 		serverVersion:          sv,
 		reconcileIn:            time.Second * 5,

pkg/psmdb/getters.go

@@ -174,9 +174,7 @@ func GetNodeLabels(ctx context.Context, cl client.Client, cr *api.PerconaServerM
 
 	node := &corev1.Node{}
 
-	err := cl.Get(ctx, client.ObjectKey{
-		Name: pod.Spec.NodeName,
-	}, node)
+	err := cl.Get(ctx, client.ObjectKey{Name: pod.Spec.NodeName}, node)
 	if err != nil {
 		return nil, errors.Wrapf(err, "failed to get node %s", pod.Spec.NodeName)
 	}