add status subresources for volumeSnapshot & solute conflict

cmd/csi-snapshotter/create_crd.go

@@ -38,14 +38,25 @@ 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)
 
+	_, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Get(crd.Name, metav1.GetOptions{})
+	if err == nil {
+		if res, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Update(crd); err != nil {
+			klog.Fatalf("failed to update VolumeSnapshotResource: %#v, err: %#v",
+				res, err)
+		}
+	} else {
+		res, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Create(crd)
 		if err != nil && !apierrors.IsAlreadyExists(err) {
 			klog.Fatalf("failed to create VolumeSnapshotResource: %#v, err: %#v",
 				res, err)
 		}
+	}
 
 	crd = &apiextensionsv1beta1.CustomResourceDefinition{
 		ObjectMeta: metav1.ObjectMeta{
@@ -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) {
 		klog.Fatalf("failed to create VolumeSnapshotContentResource: %#v, err: %#v",

deploy/kubernetes/rbac.yaml

@@ -44,9 +44,12 @@ rules:
   - apiGroups: ["snapshot.storage.k8s.io"]
     resources: ["volumesnapshots"]
     verbs: ["get", "list", "watch", "update"]
+  - apiGroups: ["snapshot.storage.k8s.io"]
+    resources: ["volumesnapshots/status"]
+    verbs: ["update"]
   - apiGroups: ["apiextensions.k8s.io"]
     resources: ["customresourcedefinitions"]
-    verbs: ["create", "list", "watch", "delete"]
+    verbs: ["create", "list", "watch", "delete", "get", "update"]
 
 ---
 kind: ClusterRoleBinding

pkg/controller/snapshot_controller.go

@@ -415,9 +415,9 @@ func (ctrl *csiSnapshotController) updateSnapshotErrorStatusWithEvent(snapshot *
 		Message: message,
 	}
 	snapshotClone.Status.Error = statusError
-
 	snapshotClone.Status.ReadyToUse = false
-	newSnapshot, err := ctrl.clientset.VolumesnapshotV1alpha1().VolumeSnapshots(snapshotClone.Namespace).Update(snapshotClone)
+	newSnapshot, err := ctrl.clientset.VolumesnapshotV1alpha1().VolumeSnapshots(snapshotClone.Namespace).UpdateStatus(snapshotClone)
+
 	if err != nil {
 		klog.V(4).Infof("updating VolumeSnapshot[%s] error status failed %v", snapshotKey(snapshot), err)
 		return err
@@ -831,7 +831,7 @@ 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())
 		}