| // Copyright Istio 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 kubemesh |
| |
| import ( |
| "context" |
| "fmt" |
| "sync" |
| "testing" |
| "time" |
| ) |
| |
| import ( |
| "github.com/google/go-cmp/cmp" |
| . "github.com/onsi/gomega" |
| "google.golang.org/protobuf/testing/protocmp" |
| meshconfig "istio.io/api/mesh/v1alpha1" |
| v1 "k8s.io/api/core/v1" |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| corev1 "k8s.io/client-go/kubernetes/typed/core/v1" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-go-pixiu/pkg/config/mesh" |
| "github.com/apache/dubbo-go-pixiu/pkg/kube" |
| "github.com/apache/dubbo-go-pixiu/pkg/test" |
| "github.com/apache/dubbo-go-pixiu/pkg/test/util/retry" |
| ) |
| |
| const ( |
| namespace string = "dubbo-system" |
| name string = "istio" |
| key string = "MeshConfig" |
| ) |
| |
| func makeConfigMapWithName(name, resourceVersion string, data map[string]string) *v1.ConfigMap { |
| return &v1.ConfigMap{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Namespace: namespace, |
| Name: name, |
| ResourceVersion: resourceVersion, |
| }, |
| Data: data, |
| } |
| } |
| |
| func makeConfigMap(resourceVersion string, data map[string]string) *v1.ConfigMap { |
| return makeConfigMapWithName(name, resourceVersion, data) |
| } |
| |
| func TestExtraConfigmap(t *testing.T) { |
| extraCmName := "extra" |
| |
| cmCore := makeConfigMap("1", map[string]string{ |
| key: "ingressClass: core", |
| }) |
| cmUser := makeConfigMapWithName(extraCmName, "1", map[string]string{ |
| key: "ingressClass: user", |
| }) |
| cmUserinvalid := makeConfigMapWithName(extraCmName, "1", map[string]string{ |
| key: "ingressClass: 1", |
| }) |
| setup := func(t test.Failer) (corev1.ConfigMapInterface, mesh.Watcher) { |
| client := kube.NewFakeClient() |
| cms := client.Kube().CoreV1().ConfigMaps(namespace) |
| stop := make(chan struct{}) |
| t.Cleanup(func() { close(stop) }) |
| w := NewConfigMapWatcher(client, namespace, name, key, true, stop) |
| AddUserMeshConfig(client, w, namespace, key, extraCmName, stop) |
| return cms, w |
| } |
| |
| t.Run("core first", func(t *testing.T) { |
| cms, w := setup(t) |
| if _, err := cms.Create(context.Background(), cmCore, metav1.CreateOptions{}); err != nil { |
| t.Fatal(err) |
| } |
| if _, err := cms.Create(context.Background(), cmUser, metav1.CreateOptions{}); err != nil { |
| t.Fatal(err) |
| } |
| retry.UntilOrFail(t, func() bool { return w.Mesh().GetIngressClass() == "core" }, retry.Delay(time.Millisecond), retry.Timeout(time.Second)) |
| }) |
| t.Run("user first", func(t *testing.T) { |
| cms, w := setup(t) |
| if _, err := cms.Create(context.Background(), cmUser, metav1.CreateOptions{}); err != nil { |
| t.Fatal(err) |
| } |
| if _, err := cms.Create(context.Background(), cmCore, metav1.CreateOptions{}); err != nil { |
| t.Fatal(err) |
| } |
| retry.UntilOrFail(t, func() bool { return w.Mesh().GetIngressClass() == "core" }, retry.Delay(time.Millisecond), retry.Timeout(time.Second)) |
| }) |
| t.Run("only user", func(t *testing.T) { |
| cms, w := setup(t) |
| if _, err := cms.Create(context.Background(), cmUser, metav1.CreateOptions{}); err != nil { |
| t.Fatal(err) |
| } |
| retry.UntilOrFail(t, func() bool { return w.Mesh().GetIngressClass() == "user" }, retry.Delay(time.Millisecond), retry.Timeout(time.Second)) |
| }) |
| t.Run("only core", func(t *testing.T) { |
| cms, w := setup(t) |
| if _, err := cms.Create(context.Background(), cmCore, metav1.CreateOptions{}); err != nil { |
| t.Fatal(err) |
| } |
| retry.UntilOrFail(t, func() bool { return w.Mesh().GetIngressClass() == "core" }, retry.Delay(time.Millisecond), retry.Timeout(time.Second)) |
| }) |
| t.Run("invalid user config", func(t *testing.T) { |
| cms, w := setup(t) |
| if _, err := cms.Create(context.Background(), cmCore, metav1.CreateOptions{}); err != nil { |
| t.Fatal(err) |
| } |
| if _, err := cms.Create(context.Background(), cmUserinvalid, metav1.CreateOptions{}); err != nil { |
| t.Fatal(err) |
| } |
| retry.UntilOrFail(t, func() bool { return w.Mesh().GetIngressClass() == "core" }, retry.Delay(time.Millisecond), retry.Timeout(time.Second)) |
| }) |
| } |
| |
| func TestNewConfigMapWatcher(t *testing.T) { |
| yaml := "trustDomain: something.new" |
| m, err := mesh.ApplyMeshConfigDefaults(yaml) |
| if err != nil { |
| t.Fatal(err) |
| } |
| |
| cm := makeConfigMap("1", map[string]string{ |
| key: yaml, |
| }) |
| badCM := makeConfigMap("2", map[string]string{ |
| "other-key": yaml, |
| }) |
| badCM2 := makeConfigMap("3", map[string]string{ |
| key: "bad yaml", |
| }) |
| |
| client := kube.NewFakeClient() |
| cms := client.Kube().CoreV1().ConfigMaps(namespace) |
| stop := make(chan struct{}) |
| t.Cleanup(func() { close(stop) }) |
| w := NewConfigMapWatcher(client, namespace, name, key, false, stop) |
| |
| var mu sync.Mutex |
| newM := mesh.DefaultMeshConfig() |
| w.AddMeshHandler(func() { |
| mu.Lock() |
| defer mu.Unlock() |
| newM = w.Mesh() |
| }) |
| |
| steps := []struct { |
| added *v1.ConfigMap |
| updated *v1.ConfigMap |
| deleted *v1.ConfigMap |
| |
| expect *meshconfig.MeshConfig |
| }{ |
| {expect: mesh.DefaultMeshConfig()}, |
| {added: cm, expect: m}, |
| |
| // Handle misconfiguration errors. |
| {updated: badCM, expect: m}, |
| {updated: cm, expect: m}, |
| {updated: badCM2, expect: m}, |
| {updated: badCM, expect: m}, |
| {updated: cm, expect: m}, |
| |
| {deleted: cm, expect: mesh.DefaultMeshConfig()}, |
| {added: badCM, expect: mesh.DefaultMeshConfig()}, |
| } |
| |
| for i, step := range steps { |
| t.Run(fmt.Sprintf("[%v]", i), func(t *testing.T) { |
| g := NewWithT(t) |
| |
| switch { |
| case step.added != nil: |
| _, err := cms.Create(context.TODO(), step.added, metav1.CreateOptions{}) |
| g.Expect(err).Should(BeNil()) |
| case step.updated != nil: |
| _, err := cms.Update(context.TODO(), step.updated, metav1.UpdateOptions{}) |
| g.Expect(err).Should(BeNil()) |
| case step.deleted != nil: |
| g.Expect(cms.Delete(context.TODO(), step.deleted.Name, metav1.DeleteOptions{})). |
| Should(Succeed()) |
| } |
| |
| retry.UntilOrFail(t, func() bool { return cmp.Equal(w.Mesh(), step.expect, protocmp.Transform()) }) |
| retry.UntilOrFail(t, func() bool { |
| mu.Lock() |
| defer mu.Unlock() |
| return cmp.Equal(newM, step.expect, protocmp.Transform()) |
| }) |
| }) |
| } |
| } |