fix:group was updated continuously in member cluster

Signed-off-by: Roland.Ma <rolandma@yunify.com>

pkg/controller/group/group_controller.go

@@ -146,7 +146,8 @@ func (c *Controller) reconcile(key string) error {
 		}
 
 		if group.Labels != nil {
-			// Set OwnerReferences when the group has a parent.
+			// Set OwnerReferences when the group has a parent. And it's owned by kubefed
+			if group.Labels[constants.KubefedManagedLabel] != "true" {
 				if parent, ok := group.Labels[iam1alpha2.GroupParent]; ok && !k8sutil.IsControlledBy(group.OwnerReferences, "Group", parent) {
 					if g == nil {
 						g = group.DeepCopy()
@@ -168,7 +169,7 @@ func (c *Controller) reconcile(key string) error {
 					}
 				}
 			}
-
+		}
 		if g != nil {
 			if _, err = c.ksClient.IamV1alpha2().Groups().Update(context.Background(), g, metav1.UpdateOptions{}); err != nil {
 				return err