add status Subresources for volumeSnapshot

Author: wackxu

cmd/csi-snapshotter/create_crd.go

@@ -38,13 +38,24 @@ func CreateCRD(clientset apiextensionsclient.Interface) error {
 				Plural: crdv1.VolumeSnapshotClassResourcePlural,
 				Kind:   reflect.TypeOf(crdv1.VolumeSnapshotClass{}).Name(),
 			},
+			Subresources: &apiextensionsv1beta1.CustomResourceSubresources{
+				Status: &apiextensionsv1beta1.CustomResourceSubresourceStatus{},
+			},
 		},
 	}
-	res, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Create(crd)
 
-	if err != nil && !apierrors.IsAlreadyExists(err) {
-		glog.Fatalf("failed to create VolumeSnapshotResource: %#v, err: %#v",
-			res, err)
+	_, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Get(crd.Name, metav1.GetOptions{})
+	if err == nil {
+		if res, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Update(crd); err != nil {
+			glog.Fatalf("failed to update VolumeSnapshotResource: %#v, err: %#v",
+				res, err)
+		}
+	} else {
+		res, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Create(crd)
+		if err != nil && !apierrors.IsAlreadyExists(err) {
+			glog.Fatalf("failed to create VolumeSnapshotResource: %#v, err: %#v",
+				res, err)
+		}
 	}
 
 	crd = &apiextensionsv1beta1.CustomResourceDefinition{
@@ -61,7 +72,7 @@ func CreateCRD(clientset apiextensionsclient.Interface) error {
 			},
 		},
 	}
-	res, err = clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Create(crd)
+	res, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Create(crd)
 
 	if err != nil && !apierrors.IsAlreadyExists(err) {
 		glog.Fatalf("failed to create VolumeSnapshotContentResource: %#v, err: %#v",

pkg/controller/snapshot_controller.go

@@ -366,7 +366,7 @@ func (ctrl *csiSnapshotController) updateSnapshotErrorStatusWithEvent(snapshot *
 	snapshotClone.Status.Error = statusError
 
 	snapshotClone.Status.Ready = false
-	newSnapshot, err := ctrl.clientset.VolumesnapshotV1alpha1().VolumeSnapshots(snapshotClone.Namespace).Update(snapshotClone)
+	newSnapshot, err := ctrl.clientset.VolumesnapshotV1alpha1().VolumeSnapshots(snapshotClone.Namespace).UpdateStatus(snapshotClone)
 	if err != nil {
 		glog.V(4).Infof("updating VolumeSnapshot[%s] error status failed %v", snapshotKey(snapshot), err)
 		return err
@@ -709,7 +709,7 @@ func (ctrl *csiSnapshotController) updateSnapshotStatus(snapshot *crdv1.VolumeSn
 			status.RestoreSize = resource.NewQuantity(size, resource.BinarySI)
 		}
 		snapshotClone.Status = status
-		newSnapshotObj, err := ctrl.clientset.VolumesnapshotV1alpha1().VolumeSnapshots(snapshotClone.Namespace).Update(snapshotClone)
+		newSnapshotObj, err := ctrl.clientset.VolumesnapshotV1alpha1().VolumeSnapshots(snapshotClone.Namespace).UpdateStatus(snapshotClone)
 		if err != nil {
 			return nil, newControllerUpdateError(snapshotKey(snapshot), err.Error())
 		} else {