fix test

controllers/apps/component_controller_test.go

@@ -113,7 +113,6 @@ var _ = Describe("Component Controller", func() {
 		testapps.ClearResourcesWithRemoveFinalizerOption(&testCtx, generics.PodSignature, true, inNS, ml)
 		testapps.ClearResourcesWithRemoveFinalizerOption(&testCtx, generics.BackupSignature, true, inNS, ml)
 		testapps.ClearResourcesWithRemoveFinalizerOption(&testCtx, generics.BackupPolicySignature, true, inNS, ml)
-		testapps.ClearResourcesWithRemoveFinalizerOption(&testCtx, generics.VolumeSnapshotSignature, true, inNS)
 		// non-namespaced
 		testapps.ClearResources(&testCtx, generics.BackupPolicyTemplateSignature, ml)
 		testapps.ClearResources(&testCtx, generics.ActionSetSignature, ml)
@@ -603,9 +602,6 @@ var _ = Describe("Component Controller", func() {
 				AddVolumeClaimTemplate(testapps.LogVolumeName, pvcSpec)
 		})
 
-		// REVIEW: this test flow, wait for running phase?
-		testk8s.MockEnableVolumeSnapshot(&testCtx, testk8s.DefaultStorageClassName)
-
 		horizontalScale(int(updatedReplicas), testk8s.DefaultStorageClassName, compDefName)
 	}
 
@@ -1746,7 +1742,7 @@ var _ = Describe("Component Controller", func() {
 			testHorizontalScale(defaultCompName, compDefObj.Name, 3, 0)
 		})
 
-		Context("with different backup methods", func() {
+		Context("scale-out multiple components", func() {
 			createNWaitClusterObj := func(components map[string]string,
 				processor func(compName string, factory *testapps.MockClusterFactory),
 				withFixedName ...bool) {
@@ -1773,7 +1769,8 @@ var _ = Describe("Component Controller", func() {
 				waitForCreatingResourceCompletely(clusterKey, compNames...)
 			}
 
-			testMultiCompHScale := func() {
+			// TODO
+			It("h-scale with data actions", func() {
 				compNameNDef := map[string]string{
 					fmt.Sprintf("%s-0", defaultCompName): compDefObj.Name,
 					fmt.Sprintf("%s-1", defaultCompName): compDefObj.Name,
@@ -1790,17 +1787,6 @@ var _ = Describe("Component Controller", func() {
 				}, false)
 
 				horizontalScale(int(updatedReplicas), testk8s.DefaultStorageClassName, compDefObj.Name)
-			}
-
-			It("h-scale with volume snapshot", func() {
-				testk8s.MockEnableVolumeSnapshot(&testCtx, testk8s.DefaultStorageClassName)
-				testMultiCompHScale()
-			})
-
-			// TODO
-			It("h-scale with data actions", func() {
-				testk8s.MockDisableVolumeSnapshot(&testCtx, testk8s.DefaultStorageClassName)
-				testMultiCompHScale()
 			})
 		})
 	})
@@ -1825,7 +1811,6 @@ var _ = Describe("Component Controller", func() {
 
 		It("scale-out", func() {
 			testVolumeExpansion(compDefObj, defaultCompName, mockStorageClass)
-			testk8s.MockEnableVolumeSnapshot(&testCtx, mockStorageClass.Name)
 			horizontalScale(5, mockStorageClass.Name, compDefObj.Name)
 		})
 	})

controllers/apps/transformer_component_workload.go

@@ -587,6 +587,9 @@ func (r *componentWorkloadOps) deletePVCs4ScaleIn(itsObj *workloads.InstanceSet)
 			}
 			pvc := corev1.PersistentVolumeClaim{}
 			if err := r.cli.Get(r.reqCtx.Ctx, pvcKey, &pvc, inDataContext4C()); err != nil {
+				if apierrors.IsNotFound(err) {
+					continue // the pvc is already deleted or not created
+				}
 				return err
 			}
 			// Since there are no order guarantee between updating ITS and deleting PVCs, if there is any error occurred
@@ -600,32 +603,43 @@ func (r *componentWorkloadOps) deletePVCs4ScaleIn(itsObj *workloads.InstanceSet)
 }
 
 func (r *componentWorkloadOps) scaleOut() error {
-	if r.synthesizeComp.LifecycleActions == nil {
-		return nil
-	}
-	dataDump := r.synthesizeComp.LifecycleActions.DataDump
-	dataLoad := r.synthesizeComp.LifecycleActions.DataLoad
-	if dataDump == nil || dataDump.Exec == nil || dataLoad == nil || dataLoad.Exec == nil {
-		return nil
-	}
-
+	// replicas in provisioning
 	provisioningReplicas, err := component.ReplicasInProvisioning(r.component)
 	if err != nil {
 		return err
 	}
 
+	// replicas to be created
+	newReplicas := r.desiredCompPodNameSet.Difference(r.runningItsPodNameSet).UnsortedList()
+
 	// update replicas of the workload
 	graphCli := model.NewGraphClient(r.cli)
 	v := graphCli.Do(r.dag, nil, r.protoITS, model.ActionUpdatePtr(), nil)
 
-	newReplicas := r.desiredCompPodNameSet.Difference(r.runningItsPodNameSet).UnsortedList()
+	hasDataActionDefined := func() bool {
+		if r.synthesizeComp.LifecycleActions == nil {
+			return false
+		}
+		dataDump := r.synthesizeComp.LifecycleActions.DataDump
+		dataLoad := r.synthesizeComp.LifecycleActions.DataLoad
+		if dataDump == nil || dataDump.Exec == nil || dataLoad == nil || dataLoad.Exec == nil {
+			return false
+		}
+		return true
+	}()
+
+	// build and assign data replication tasks
 	if err := func() error {
-		source, err := r.sourceReplica(dataDump)
+		if !hasDataActionDefined {
+			return nil
+		}
+
+		source, err := r.sourceReplica(r.synthesizeComp.LifecycleActions.DataDump)
 		if err != nil {
 			return err
 		}
 
-		replicas := append(newReplicas, provisioningReplicas...)
+		replicas := append(slices.Clone(newReplicas), provisioningReplicas...)
 		parameters, err := component.NewReplicaTask(r.synthesizeComp.FullCompName, r.synthesizeComp.Generation, source, replicas)
 		if err != nil {
 			return err
@@ -646,7 +660,7 @@ func (r *componentWorkloadOps) scaleOut() error {
 		return err
 	}
 
-	return component.NewReplicas(r.component, newReplicas)
+	return component.NewReplicas(r.component, newReplicas, hasDataActionDefined)
 }
 
 func (r *componentWorkloadOps) sourceReplica(dataDump *appsv1.Action) (*corev1.Pod, error) {