feat： When a resource is created for the first time, it should also b…

…e considered as a modification.

Signed-off-by: chaunceyjiang <chaunceyjiang@gmail.com>

pkg/detector/detector.go

@@ -323,7 +323,25 @@ func (d *ResourceDetector) OnAdd(obj interface{}) {
 	if !ok {
 		return
 	}
-	d.Processor.Enqueue(ResourceItem{Obj: runtimeObj})
+	unstructuredObj, err := helper.ToUnstructured(obj)
+	if err != nil {
+		klog.Errorf("Failed to transform newObj, error: %v", err)
+		return
+	}
+	var resourceChangeByKarmada bool
+	switch {
+	case unstructuredObj.GetAnnotations()[policyv1alpha1.PropagationPolicyNameLabel] != "":
+		resourceChangeByKarmada = false
+	case unstructuredObj.GetAnnotations()[policyv1alpha1.ClusterPropagationPolicyLabel] != "":
+		resourceChangeByKarmada = false
+	case unstructuredObj.GetLabels()[policyv1alpha1.PropagationPolicyNameLabel] != "":
+		resourceChangeByKarmada = false
+	case unstructuredObj.GetLabels()[policyv1alpha1.ClusterPropagationPolicyLabel] != "":
+		resourceChangeByKarmada = false
+	default:
+		resourceChangeByKarmada = true
+	}
+	d.Processor.Enqueue(ResourceItem{Obj: runtimeObj, ResourceChangeByKarmada: resourceChangeByKarmada})
 }
 
 // OnUpdate handles object update event and push the object to queue.
@@ -340,17 +358,15 @@ func (d *ResourceDetector) OnUpdate(oldObj, newObj interface{}) {
 		return
 	}
 
+	if !eventfilter.SpecificationChanged(unstructuredOldObj, unstructuredNewObj) {
+		klog.V(4).Infof("Ignore update event of object (kind=%s, %s/%s) as specification no change", unstructuredOldObj.GetKind(), unstructuredOldObj.GetNamespace(), unstructuredOldObj.GetName())
+		return
+	}
 	newRuntimeObj, ok := newObj.(runtime.Object)
 	if !ok {
 		klog.Errorf("Failed to assert newObj as runtime.Object")
 		return
 	}
-
-	if !eventfilter.SpecificationChanged(unstructuredOldObj, unstructuredNewObj) {
-		klog.V(4).Infof("Ignore update event of object (kind=%s, %s/%s) as specification no change", unstructuredOldObj.GetKind(), unstructuredOldObj.GetNamespace(), unstructuredOldObj.GetName())
-		return
-	}
-
 	resourceChangeByKarmada := eventfilter.ResourceChangeByKarmada(unstructuredOldObj, unstructuredNewObj)
 
 	resourceItem := ResourceItem{