Fix workload webhook filtering: patch label bug and add Kruise StatefulSet support (#299)

* Fix workload type label patching bug and add Kruise StatefulSet support

Signed-off-by: Parship Chowdhury <i.am.parship@gmail.com>

* added objectSelector to filter workloads by rollout label

Signed-off-by: Parship Chowdhury <i.am.parship@gmail.com>

* reverted the changes in manifest

Signed-off-by: Parship Chowdhury <i.am.parship@gmail.com>

---------

Signed-off-by: Parship Chowdhury <i.am.parship@gmail.com>

Author: Parship Chowdhury

pkg/controller/rollout/rollout_status.go

@@ -298,10 +298,12 @@ func (r *RolloutReconciler) patchWorkloadRolloutWebhookLabel(rollout *v1beta1.Ro
 		workloadType = util.DeploymentType
 	case util.ControllerKindSts.Kind:
 		workloadType = util.StatefulSetType
+	case util.ControllerKruiseKindSts.Kind, util.ControllerKruiseOldKindSts.Kind:
+		workloadType = util.StatefulSetType
 	case util.ControllerKruiseKindDS.Kind:
 		workloadType = util.DaemonSetType
 	}
-	if workload.Annotations[util.WorkloadTypeLabel] == "" && workloadType != "" {
+	if workload.Labels[util.WorkloadTypeLabel] == "" && workloadType != "" {
 		workloadGVK := schema.FromAPIVersionAndKind(workload.APIVersion, workload.Kind)
 		obj := util.GetEmptyWorkloadObject(workloadGVK)
 		obj.SetNamespace(workload.Namespace)