fix application reconcile

Signed-off-by: Nzackzhang <zackzhang@yunify.com>

pkg/controller/application/application_controller.go

@@ -24,10 +24,11 @@ import (
 	"k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/types"
 	"k8s.io/client-go/tools/record"
 	"k8s.io/klog"
 	servicemeshv1alpha2 "kubesphere.io/kubesphere/pkg/apis/servicemesh/v1alpha2"
-	"kubesphere.io/kubesphere/pkg/controller/virtualservice/util"
+	"kubesphere.io/kubesphere/pkg/controller/utils/servicemesh"
 	"sigs.k8s.io/application/api/v1beta1"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/controller"
@@ -40,7 +41,7 @@ import (
 	"time"
 )
 
-// Add creates a new Workspace Controller and adds it to the Manager with default RBAC. The Manager will set fields on the Controller
+// Add creates a new Application Controller and adds it to the Manager with default RBAC. The Manager will set fields on the Controller
 // and Start it when the Manager is Started.
 func Add(mgr manager.Manager) error {
 	return add(mgr, newReconciler(mgr))
@@ -71,11 +72,17 @@ func add(mgr manager.Manager, r reconcile.Reconciler) error {
 
 	for _, s := range sources {
 		// Watch for changes to Application
-		err = c.Watch(&source.Kind{Type: s},
-			&handler.EnqueueRequestForOwner{OwnerType: &v1beta1.Application{}, IsController: false},
+		err = c.Watch(
+			&source.Kind{Type: s},
+			&handler.EnqueueRequestsFromMapFunc{ToRequests: handler.ToRequestsFunc(
+				func(h handler.MapObject) []reconcile.Request {
+					return []reconcile.Request{{NamespacedName: types.NamespacedName{
+						Name:      servicemesh.GetApplictionName(h.Meta.GetLabels()),
+						Namespace: h.Meta.GetNamespace()}}}
+				})},
 			predicate.Funcs{
 				UpdateFunc: func(e event.UpdateEvent) bool {
-					return isApp(e.MetaOld)
+					return isApp(e.MetaOld, e.MetaNew)
 				},
 				CreateFunc: func(e event.CreateEvent) bool {
 					return isApp(e.Meta)
@@ -84,12 +91,10 @@ func add(mgr manager.Manager, r reconcile.Reconciler) error {
 					return isApp(e.Meta)
 				},
 			})
-
 		if err != nil {
 			return err
 		}
 	}
-
 	return nil
 }
 
@@ -110,6 +115,7 @@ func (r *ReconcileApplication) Reconcile(request reconcile.Request) (reconcile.R
 	err := r.Get(ctx, request.NamespacedName, app)
 	if err != nil {
 		if errors.IsNotFound(err) {
+			klog.Errorf("application %s not found in namespace %s", request.Name, request.Namespace)
 			return reconcile.Result{}, nil
 		}
 		return reconcile.Result{}, err
@@ -126,16 +132,18 @@ func (r *ReconcileApplication) Reconcile(request reconcile.Request) (reconcile.R
 	err = r.Update(ctx, app)
 	if err != nil {
 		if errors.IsNotFound(err) {
-			klog.V(4).Info("application has been deleted during update")
+			klog.V(4).Infof("application %s has been deleted during update in namespace %s", request.Name, request.Namespace)
 			return reconcile.Result{}, nil
 		}
 	}
 	return reconcile.Result{}, nil
 }
 
-func isApp(o metav1.Object) bool {
-	if o.GetLabels() == nil || !util.IsApplicationComponent(o.GetLabels()) {
-		return false
+func isApp(obs ...metav1.Object) bool {
+	for _, o := range obs {
+		if o.GetLabels() != nil && servicemesh.IsAppComponent(o.GetLabels()) {
+			return true
+		}
 	}
-	return true
+	return false
 }

pkg/controller/destinationrule/destinationrule_controller.go

@@ -19,6 +19,7 @@ package destinationrule
 import (
 	"context"
 	"fmt"
+	"kubesphere.io/kubesphere/pkg/controller/utils/servicemesh"
 	"reflect"
 
 	apinetworkingv1alpha3 "istio.io/api/networking/v1alpha3"
@@ -36,8 +37,6 @@ import (
 	v1core "k8s.io/client-go/kubernetes/typed/core/v1"
 	log "k8s.io/klog"
 	servicemeshv1alpha2 "kubesphere.io/kubesphere/pkg/apis/servicemesh/v1alpha2"
-	"kubesphere.io/kubesphere/pkg/controller/virtualservice/util"
-
 	"time"
 
 	istioclientset "istio.io/client-go/pkg/clientset/versioned"
@@ -243,9 +242,9 @@ func (v *DestinationRuleController) syncService(key string) error {
 		return nil
 	}
 
-	if len(service.Labels) < len(util.ApplicationLabels) ||
-		!util.IsApplicationComponent(service.Labels) ||
-		!util.IsServicemeshEnabled(service.Annotations) ||
+	if len(service.Labels) < len(servicemesh.ApplicationLabels) ||
+		!servicemesh.IsApplicationComponent(service.Labels) ||
+		!servicemesh.IsServicemeshEnabled(service.Annotations) ||
 		len(service.Spec.Ports) == 0 {
 		// services don't have enough labels to create a destinationrule
 		// or they don't have necessary labels
@@ -254,7 +253,7 @@ func (v *DestinationRuleController) syncService(key string) error {
 		return nil
 	}
 
-	appName := util.GetComponentName(&service.ObjectMeta)
+	appName := servicemesh.GetComponentName(&service.ObjectMeta)
 
 	// fetch all deployments that match with service selector
 	deployments, err := v.deploymentLister.Deployments(namespace).List(labels.Set(service.Spec.Selector).AsSelectorPreValidated())
@@ -266,14 +265,14 @@ func (v *DestinationRuleController) syncService(key string) error {
 	for _, deployment := range deployments {
 
 		// not a valid deployment we required
-		if !util.IsApplicationComponent(deployment.Labels) ||
-			!util.IsApplicationComponent(deployment.Spec.Selector.MatchLabels) ||
+		if !servicemesh.IsApplicationComponent(deployment.Labels) ||
+			!servicemesh.IsApplicationComponent(deployment.Spec.Selector.MatchLabels) ||
 			deployment.Status.ReadyReplicas == 0 ||
-			!util.IsServicemeshEnabled(deployment.Annotations) {
+			!servicemesh.IsServicemeshEnabled(deployment.Annotations) {
 			continue
 		}
 
-		version := util.GetComponentVersion(&deployment.ObjectMeta)
+		version := servicemesh.GetComponentVersion(&deployment.ObjectMeta)
 
 		if len(version) == 0 {
 			log.V(4).Infof("Deployment %s doesn't have a version label", types.NamespacedName{Namespace: deployment.Namespace, Name: deployment.Name}.String())
@@ -281,9 +280,9 @@ func (v *DestinationRuleController) syncService(key string) error {
 		}
 
 		subset := &apinetworkingv1alpha3.Subset{
-			Name: util.NormalizeVersionName(version),
+			Name: servicemesh.NormalizeVersionName(version),
 			Labels: map[string]string{
-				util.VersionLabel: version,
+				servicemesh.VersionLabel: version,
 			},
 		}
 
@@ -309,7 +308,7 @@ func (v *DestinationRuleController) syncService(key string) error {
 	}
 
 	// fetch all servicepolicies associated to this service
-	servicePolicies, err := v.servicePolicyLister.ServicePolicies(namespace).List(labels.SelectorFromSet(map[string]string{util.AppLabel: appName}))
+	servicePolicies, err := v.servicePolicyLister.ServicePolicies(namespace).List(labels.SelectorFromSet(map[string]string{servicemesh.AppLabel: appName}))
 	if err != nil {
 		log.Error(err, "could not list service policies is namespace with component name", "namespace", namespace, "name", appName)
 		return err
@@ -388,7 +387,7 @@ func (v *DestinationRuleController) addDeployment(obj interface{}) {
 	deploy := obj.(*appsv1.Deployment)
 
 	// not a application component
-	if !util.IsApplicationComponent(deploy.Labels) || !util.IsApplicationComponent(deploy.Spec.Selector.MatchLabels) {
+	if !servicemesh.IsApplicationComponent(deploy.Labels) || !servicemesh.IsApplicationComponent(deploy.Spec.Selector.MatchLabels) {
 		return
 	}
 
@@ -437,8 +436,8 @@ func (v *DestinationRuleController) getDeploymentServiceMemberShip(deployment *a
 	for i := range allServices {
 		service := allServices[i]
 		if service.Spec.Selector == nil ||
-			!util.IsApplicationComponent(service.Labels) ||
-			!util.IsServicemeshEnabled(service.Annotations) {
+			!servicemesh.IsApplicationComponent(service.Labels) ||
+			!servicemesh.IsServicemeshEnabled(service.Annotations) {
 			// services with nil selectors match nothing, not everything.
 			continue
 		}
@@ -458,9 +457,9 @@ func (v *DestinationRuleController) getDeploymentServiceMemberShip(deployment *a
 func (v *DestinationRuleController) addServicePolicy(obj interface{}) {
 	servicePolicy := obj.(*servicemeshv1alpha2.ServicePolicy)
 
-	appName := servicePolicy.Labels[util.AppLabel]
+	appName := servicePolicy.Labels[servicemesh.AppLabel]
 
-	services, err := v.serviceLister.Services(servicePolicy.Namespace).List(labels.SelectorFromSet(map[string]string{util.AppLabel: appName}))
+	services, err := v.serviceLister.Services(servicePolicy.Namespace).List(labels.SelectorFromSet(map[string]string{servicemesh.AppLabel: appName}))
 	if err != nil {
 		log.Error(err, "cannot list services", "namespace", servicePolicy.Namespace, "name", appName)
 		utilruntime.HandleError(fmt.Errorf("cannot list services in namespace %s, with component name %v", servicePolicy.Namespace, appName))

pkg/controller/destinationrule/destinationrule_controller_test.go

@@ -34,7 +34,7 @@ import (
 	"kubesphere.io/kubesphere/pkg/apis/servicemesh/v1alpha2"
 	"kubesphere.io/kubesphere/pkg/client/clientset/versioned/fake"
 	informers "kubesphere.io/kubesphere/pkg/client/informers/externalversions"
-	"kubesphere.io/kubesphere/pkg/controller/virtualservice/util"
+	"kubesphere.io/kubesphere/pkg/controller/utils/servicemesh"
 	"kubesphere.io/kubesphere/pkg/utils/reflectutils"
 	"testing"
 )
@@ -118,9 +118,9 @@ func newDestinationRule(service *corev1.Service, deployments ...*appsv1.Deployme
 	dr.Spec.Subsets = []*apiv1alpha3.Subset{}
 	for _, deployment := range deployments {
 		subset := &apiv1alpha3.Subset{
-			Name: util.GetComponentVersion(&deployment.ObjectMeta),
+			Name: servicemesh.GetComponentVersion(&deployment.ObjectMeta),
 			Labels: map[string]string{
-				"version": util.GetComponentVersion(&deployment.ObjectMeta),
+				"version": servicemesh.GetComponentVersion(&deployment.ObjectMeta),
 			},
 		}
 		dr.Spec.Subsets = append(dr.Spec.Subsets, subset)
@@ -195,9 +195,9 @@ func newServicePolicy(name string, service *corev1.Service, deployments ...*apps
 	sp.Spec.Template.Spec.Subsets = []*apiv1alpha3.Subset{}
 	for _, deployment := range deployments {
 		subset := &apiv1alpha3.Subset{
-			Name: util.GetComponentVersion(&deployment.ObjectMeta),
+			Name: servicemesh.GetComponentVersion(&deployment.ObjectMeta),
 			Labels: map[string]string{
-				"version": util.GetComponentVersion(&deployment.ObjectMeta),
+				"version": servicemesh.GetComponentVersion(&deployment.ObjectMeta),
 			},
 		}
 		sp.Spec.Template.Spec.Subsets = append(sp.Spec.Template.Spec.Subsets, subset)

pkg/controller/virtualservice/util/util.go → pkg/controller/utils/servicemesh/application.go

-/*
-Copyright 2020 KubeSphere Authors
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-     http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package util
+package servicemesh
 
 import (
-	"istio.io/api/networking/v1alpha3"
-	clientgonetworkingv1alpha3 "istio.io/client-go/pkg/apis/networking/v1alpha3"
-	"k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	apiv1alpha3 "istio.io/api/networking/v1alpha3"
+	"istio.io/client-go/pkg/apis/networking/v1alpha3"
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1"
 	"strings"
 )
 
@@ -39,6 +23,12 @@ var ApplicationLabels = [...]string{
 	AppLabel,
 }
 
+// resource with these following labels considered as part of kubernetes-sigs/application
+var AppLabels = [...]string{
+	ApplicationNameLabel,
+	ApplicationVersionLabel,
+}
+
 var TrimChars = [...]string{".", "_", "-"}
 
 // normalize version names
@@ -58,7 +48,7 @@ func GetApplictionName(lbs map[string]string) string {
 
 }
 
-func GetComponentName(meta *metav1.ObjectMeta) string {
+func GetComponentName(meta *v1.ObjectMeta) string {
 	if len(meta.Labels[AppLabel]) > 0 {
 		return meta.Labels[AppLabel]
 	}
@@ -74,14 +64,14 @@ func IsServicemeshEnabled(annotations map[string]string) bool {
 	return false
 }
 
-func GetComponentVersion(meta *metav1.ObjectMeta) string {
+func GetComponentVersion(meta *v1.ObjectMeta) string {
 	if len(meta.Labels[VersionLabel]) > 0 {
 		return meta.Labels[VersionLabel]
 	}
 	return ""
 }
 
-func ExtractApplicationLabels(meta *metav1.ObjectMeta) map[string]string {
+func ExtractApplicationLabels(meta *v1.ObjectMeta) map[string]string {
 
 	labels := make(map[string]string, len(ApplicationLabels))
 	for _, label := range ApplicationLabels {
@@ -106,21 +96,33 @@ func IsApplicationComponent(lbs map[string]string) bool {
 	return true
 }
 
+// Whether it belongs to kubernetes-sigs/application or not
+func IsAppComponent(lbs map[string]string) bool {
+
+	for _, label := range AppLabels {
+		if _, ok := lbs[label]; !ok {
+			return false
+		}
+	}
+
+	return true
+}
+
 // if virtualservice not specified with port number, then fill with service first port
-func FillDestinationPort(vs *clientgonetworkingv1alpha3.VirtualService, service *v1.Service) {
+func FillDestinationPort(vs *v1alpha3.VirtualService, service *corev1.Service) {
 	// fill http port
 	for i := range vs.Spec.Http {
 		for j := range vs.Spec.Http[i].Route {
 			port := vs.Spec.Http[i].Route[j].Destination.Port
 			if port == nil || port.Number == 0 {
-				vs.Spec.Http[i].Route[j].Destination.Port = &v1alpha3.PortSelector{
+				vs.Spec.Http[i].Route[j].Destination.Port = &apiv1alpha3.PortSelector{
 					Number: uint32(service.Spec.Ports[0].Port),
 				}
 			}
 		}
 
 		if vs.Spec.Http[i].Mirror != nil && (vs.Spec.Http[i].Mirror.Port == nil || vs.Spec.Http[i].Mirror.Port.Number == 0) {
-			vs.Spec.Http[i].Mirror.Port = &v1alpha3.PortSelector{
+			vs.Spec.Http[i].Mirror.Port = &apiv1alpha3.PortSelector{
 				Number: uint32(service.Spec.Ports[0].Port),
 			}
 		}
@@ -130,7 +132,7 @@ func FillDestinationPort(vs *clientgonetworkingv1alpha3.VirtualService, service
 	for i := range vs.Spec.Tcp {
 		for j := range vs.Spec.Tcp[i].Route {
 			if vs.Spec.Tcp[i].Route[j].Destination.Port == nil || vs.Spec.Tcp[i].Route[j].Destination.Port.Number == 0 {
-				vs.Spec.Tcp[i].Route[j].Destination.Port = &v1alpha3.PortSelector{
+				vs.Spec.Tcp[i].Route[j].Destination.Port = &apiv1alpha3.PortSelector{
 					Number: uint32(service.Spec.Ports[0].Port),
 				}
 			}

pkg/controller/virtualservice/virtualservice_controller.go

@@ -19,11 +19,15 @@ package virtualservice
 import (
 	"context"
 	"fmt"
+	"kubesphere.io/kubesphere/pkg/controller/utils/servicemesh"
 	"reflect"
 	"strings"
 
 	apinetworkingv1alpha3 "istio.io/api/networking/v1alpha3"
 	clientgonetworkingv1alpha3 "istio.io/client-go/pkg/apis/networking/v1alpha3"
+	istioclient "istio.io/client-go/pkg/clientset/versioned"
+	istioinformers "istio.io/client-go/pkg/informers/externalversions/networking/v1alpha3"
+	istiolisters "istio.io/client-go/pkg/listers/networking/v1alpha3"
 	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -32,20 +36,15 @@ import (
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	"k8s.io/apimachinery/pkg/util/sets"
 	"k8s.io/apimachinery/pkg/util/wait"
-	"k8s.io/client-go/kubernetes/scheme"
-	v1core "k8s.io/client-go/kubernetes/typed/core/v1"
-	log "k8s.io/klog"
-	"kubesphere.io/kubesphere/pkg/controller/virtualservice/util"
-
-	istioclient "istio.io/client-go/pkg/clientset/versioned"
-	istioinformers "istio.io/client-go/pkg/informers/externalversions/networking/v1alpha3"
-	istiolisters "istio.io/client-go/pkg/listers/networking/v1alpha3"
 	coreinformers "k8s.io/client-go/informers/core/v1"
 	clientset "k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/kubernetes/scheme"
+	v1core "k8s.io/client-go/kubernetes/typed/core/v1"
 	corelisters "k8s.io/client-go/listers/core/v1"
 	"k8s.io/client-go/tools/cache"
 	"k8s.io/client-go/tools/record"
 	"k8s.io/client-go/util/workqueue"
+	log "k8s.io/klog"
 	servicemeshv1alpha2 "kubesphere.io/kubesphere/pkg/apis/servicemesh/v1alpha2"
 	servicemeshclient "kubesphere.io/kubesphere/pkg/client/clientset/versioned"
 	servicemeshinformers "kubesphere.io/kubesphere/pkg/client/informers/externalversions/servicemesh/v1alpha2"
@@ -256,9 +255,9 @@ func (v *VirtualServiceController) syncService(key string) error {
 		return err
 	}
 
-	if len(service.Labels) < len(util.ApplicationLabels) ||
-		!util.IsApplicationComponent(service.Labels) ||
-		!util.IsServicemeshEnabled(service.Annotations) ||
+	if len(service.Labels) < len(servicemesh.ApplicationLabels) ||
+		!servicemesh.IsApplicationComponent(service.Labels) ||
+		!servicemesh.IsServicemeshEnabled(service.Annotations) ||
 		len(service.Spec.Ports) == 0 {
 		// services don't have enough labels to create a virtualservice
 		// or they don't have necessary labels
@@ -266,7 +265,7 @@ func (v *VirtualServiceController) syncService(key string) error {
 		return nil
 	}
 	// get real component name, i.e label app value
-	appName = util.GetComponentName(&service.ObjectMeta)
+	appName = servicemesh.GetComponentName(&service.ObjectMeta)
 
 	destinationRule, err := v.destinationRuleLister.DestinationRules(namespace).Get(name)
 	if err != nil {
@@ -287,7 +286,7 @@ func (v *VirtualServiceController) syncService(key string) error {
 	}
 
 	// fetch all strategies applied to service
-	strategies, err := v.strategyLister.Strategies(namespace).List(labels.SelectorFromSet(map[string]string{util.AppLabel: appName}))
+	strategies, err := v.strategyLister.Strategies(namespace).List(labels.SelectorFromSet(map[string]string{servicemesh.AppLabel: appName}))
 	if err != nil {
 		log.Error(err, "list strategies for service failed", "namespace", namespace, "name", appName)
 		return err
@@ -306,7 +305,7 @@ func (v *VirtualServiceController) syncService(key string) error {
 				ObjectMeta: metav1.ObjectMeta{
 					Name:      appName,
 					Namespace: namespace,
-					Labels:    util.ExtractApplicationLabels(&service.ObjectMeta),
+					Labels:    servicemesh.ExtractApplicationLabels(&service.ObjectMeta),
 				},
 			}
 		} else {
@@ -457,7 +456,7 @@ func (v *VirtualServiceController) addDestinationRule(obj interface{}) {
 func (v *VirtualServiceController) addStrategy(obj interface{}) {
 	strategy := obj.(*servicemeshv1alpha2.Strategy)
 
-	lbs := util.ExtractApplicationLabels(&strategy.ObjectMeta)
+	lbs := servicemesh.ExtractApplicationLabels(&strategy.ObjectMeta)
 	if len(lbs) == 0 {
 		err := fmt.Errorf("invalid strategy %s/%s labels %s, not have required labels", strategy.Namespace, strategy.Name, strategy.Labels)
 		log.Error(err, "")
@@ -582,6 +581,6 @@ func (v *VirtualServiceController) generateVirtualServiceSpec(strategy *servicem
 
 	}
 
-	util.FillDestinationPort(vs, service)
+	servicemesh.FillDestinationPort(vs, service)
 	return vs
 }

pkg/controller/virtualservice/virtualservice_controller_test.go

@@ -34,7 +34,7 @@ import (
 	"kubesphere.io/kubesphere/pkg/apis/servicemesh/v1alpha2"
 	"kubesphere.io/kubesphere/pkg/client/clientset/versioned/fake"
 	informers "kubesphere.io/kubesphere/pkg/client/informers/externalversions"
-	"kubesphere.io/kubesphere/pkg/controller/virtualservice/util"
+	"kubesphere.io/kubesphere/pkg/controller/utils/servicemesh"
 	"kubesphere.io/kubesphere/pkg/utils/reflectutils"
 	"testing"
 )
@@ -89,7 +89,7 @@ func (l Labels) WithApplication(name string) Labels {
 
 func (l Labels) WithServiceMeshEnabled(enabled bool) Labels {
 	if enabled {
-		l[util.ServiceMeshEnabledAnnotation] = "true"
+		l[servicemesh.ServiceMeshEnabledAnnotation] = "true"
 	}
 
 	return l

pkg/models/resources/v1alpha3/application/applications.go

@@ -50,14 +50,14 @@ func (d *applicationsGetter) Get(namespace, name string) (runtime.Object, error)
 
 func (d *applicationsGetter) List(namespace string, query *query.Query) (*api.ListResult, error) {
 	applications := appv1beta1.ApplicationList{}
-	err := d.c.List(context.Background(), &applications, &client.ListOptions{Namespace: namespace})
+	err := d.c.List(context.Background(), &applications, &client.ListOptions{Namespace: namespace, LabelSelector: query.Selector()})
 	if err != nil {
 		klog.Error(err)
 		return nil, err
 	}
 	var result []runtime.Object
-	for _, app := range applications.Items {
-		result = append(result, &app)
+	for i := range applications.Items {
+		result = append(result, &applications.Items[i])
 	}
 
 	return v1alpha3.DefaultList(result, query, d.compare, d.filter), nil

pkg/models/resources/v1alpha3/application/applications_test.go

@@ -24,11 +24,11 @@ import (
 	"k8s.io/klog/v2"
 	"kubesphere.io/kubesphere/pkg/apiserver/query"
 	"path/filepath"
+	"reflect"
 	appv1beta1 "sigs.k8s.io/application/api/v1beta1"
 	"sigs.k8s.io/controller-runtime/pkg/cache"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/envtest"
-
 	"testing"
 )
 
@@ -46,6 +46,15 @@ func createNamespace(name string, ctx context.Context) {
 	}
 }
 
+func compare(actual *appv1beta1.Application, expects ...*appv1beta1.Application) bool {
+	for _, app := range expects {
+		if actual.Name == app.Name && actual.Namespace == app.Namespace && reflect.DeepEqual(actual.Labels, app.Labels) {
+			return true
+		}
+	}
+	return false
+}
+
 func TestGetListApplications(t *testing.T) {
 	e := &envtest.Environment{CRDDirectoryPaths: []string{filepath.Join("..", "..", "..", "..", "..", "config", "crds")}}
 	cfg, err := e.Start()
@@ -66,29 +75,68 @@ func TestGetListApplications(t *testing.T) {
 
 	c, _ = client.New(cfg, client.Options{Scheme: sch})
 
-	var labelSet1 = map[string]string{"foo": "bar"}
-	application := &appv1beta1.Application{
-		ObjectMeta: metav1.ObjectMeta{
-			Name:      "bar",
-			Namespace: "foo",
-			Labels:    labelSet1,
+	var labelSet1 = map[string]string{"foo-1": "bar-1"}
+	var labelSet2 = map[string]string{"foo-2": "bar-2"}
+
+	var ns = "ns-1"
+	testCases := []*appv1beta1.Application{
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name:      "app-1",
+				Namespace: ns,
+				Labels:    labelSet1,
+			},
+		},
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name:      "app-2",
+				Namespace: ns,
+				Labels:    labelSet2,
+			},
 		},
 	}
 
 	ctx := context.TODO()
-	createNamespace("foo", ctx)
-	_ = c.Create(ctx, application)
+	createNamespace(ns, ctx)
+
+	for _, app := range testCases {
+		if err = c.Create(ctx, app); err != nil {
+			t.Fatal(err)
+		}
+	}
 
 	getter := New(ce)
 
-	_, err = getter.List("foo", &query.Query{})
+	results, err := getter.List(ns, &query.Query{})
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	_, err = getter.Get("foo", "bar")
+	if results.TotalItems != len(testCases) {
+		t.Fatal("TotalItems is not match")
+	}
+
+	if len(results.Items) != len(testCases) {
+		t.Fatal("Items numbers is not match mock data")
+	}
+
+	for _, app := range results.Items {
+		app, err := app.(*appv1beta1.Application)
+		if !err {
+			t.Fatal(err)
+		}
+		if !compare(app, testCases...) {
+			t.Errorf("The results %v not match testcases %v", results.Items, testCases)
+		}
+	}
+
+	result, err := getter.Get(ns, "app-1")
 	if err != nil {
 		t.Fatal(err)
 	}
 
+	app := result.(*appv1beta1.Application)
+	if !compare(app, testCases...) {
+		t.Errorf("The results %v not match testcases %v", result, testCases)
+	}
 }

pkg/models/servicemesh/application.go

-/*
-Copyright 2019 The KubeSphere Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package servicemesh
-
-import (
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"strings"
-)
-
-const (
-	AppLabel                = "app"
-	VersionLabel            = "version"
-	ApplicationNameLabel    = "app.kubernetes.io/name"
-	ApplicationVersionLabel = "app.kubernetes.io/version"
-)
-
-var ApplicationLabels = [...]string{
-	ApplicationNameLabel,
-	ApplicationVersionLabel,
-	AppLabel,
-}
-
-var TrimChars = [...]string{".", "_", "-"}
-
-// normalize version names
-// strip [_.-]
-func NormalizeVersionName(version string) string {
-	for _, char := range TrimChars {
-		version = strings.ReplaceAll(version, char, "")
-	}
-	return version
-}
-
-func GetComponentName(meta *metav1.ObjectMeta) string {
-	if len(meta.Labels[AppLabel]) > 0 {
-		return meta.Labels[AppLabel]
-	}
-	return ""
-}
-
-func GetComponentVersion(meta *metav1.ObjectMeta) string {
-	if len(meta.Labels[VersionLabel]) > 0 {
-		return meta.Labels[VersionLabel]
-	}
-	return ""
-}
-
-func ExtractApplicationLabels(meta *metav1.ObjectMeta) map[string]string {
-
-	labels := make(map[string]string, 0)
-	for _, label := range ApplicationLabels {
-		if len(meta.Labels[label]) == 0 {
-			return nil
-		} else {
-			labels[label] = meta.Labels[label]
-		}
-	}
-
-	return labels
-}
-
-func IsApplicationComponent(meta *metav1.ObjectMeta) bool {
-
-	for _, label := range ApplicationLabels {
-		if len(meta.Labels[label]) == 0 {
-			return false
-		}
-	}
-
-	return true
-}

pkg/models/servicemesh/metrics/handlers.go

-/*
-Copyright 2019 The KubeSphere Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package metrics
-
-import "github.com/emicklei/go-restful"
-
-func GetAppMetrics(request *restful.Request, response *restful.Response) {
-
-}