| /* |
| Copyright 2016 The Kubernetes 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 storage |
| |
| import ( |
| "testing" |
| |
| apiequality "k8s.io/apimachinery/pkg/api/equality" |
| "k8s.io/apimachinery/pkg/api/errors" |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| "k8s.io/apimachinery/pkg/fields" |
| "k8s.io/apimachinery/pkg/labels" |
| "k8s.io/apimachinery/pkg/util/diff" |
| genericapirequest "k8s.io/apiserver/pkg/endpoints/request" |
| "k8s.io/apiserver/pkg/registry/generic" |
| genericregistrytest "k8s.io/apiserver/pkg/registry/generic/testing" |
| "k8s.io/apiserver/pkg/registry/rest" |
| etcdtesting "k8s.io/apiserver/pkg/storage/etcd/testing" |
| "k8s.io/kubernetes/pkg/apis/apps" |
| "k8s.io/kubernetes/pkg/apis/autoscaling" |
| api "k8s.io/kubernetes/pkg/apis/core" |
| "k8s.io/kubernetes/pkg/registry/registrytest" |
| ) |
| |
| // TODO: allow for global factory override |
| func newStorage(t *testing.T) (StatefulSetStorage, *etcdtesting.EtcdTestServer) { |
| etcdStorage, server := registrytest.NewEtcdStorage(t, apps.GroupName) |
| restOptions := generic.RESTOptions{StorageConfig: etcdStorage, Decorator: generic.UndecoratedStorage, DeleteCollectionWorkers: 1, ResourcePrefix: "statefulsets"} |
| storage := NewStorage(restOptions) |
| return storage, server |
| } |
| |
| func validNewStatefulSet() *apps.StatefulSet { |
| return &apps.StatefulSet{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Name: "foo", |
| Namespace: metav1.NamespaceDefault, |
| Labels: map[string]string{"a": "b"}, |
| }, |
| Spec: apps.StatefulSetSpec{ |
| PodManagementPolicy: apps.OrderedReadyPodManagement, |
| Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"a": "b"}}, |
| Template: api.PodTemplateSpec{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Labels: map[string]string{"a": "b"}, |
| }, |
| Spec: api.PodSpec{ |
| Containers: []api.Container{ |
| { |
| Name: "test", |
| Image: "test_image", |
| ImagePullPolicy: api.PullIfNotPresent, |
| }, |
| }, |
| RestartPolicy: api.RestartPolicyAlways, |
| DNSPolicy: api.DNSClusterFirst, |
| }, |
| }, |
| Replicas: 7, |
| UpdateStrategy: apps.StatefulSetUpdateStrategy{Type: apps.RollingUpdateStatefulSetStrategyType}, |
| }, |
| Status: apps.StatefulSetStatus{}, |
| } |
| } |
| |
| var validStatefulSet = *validNewStatefulSet() |
| |
| func TestCreate(t *testing.T) { |
| storage, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.StatefulSet.Store.DestroyFunc() |
| test := genericregistrytest.New(t, storage.StatefulSet.Store) |
| ps := validNewStatefulSet() |
| ps.ObjectMeta = metav1.ObjectMeta{} |
| test.TestCreate( |
| // valid |
| ps, |
| // TODO: Add an invalid case when we have validation. |
| ) |
| } |
| |
| // TODO: Test updates to spec when we allow them. |
| |
| func TestStatusUpdate(t *testing.T) { |
| storage, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.StatefulSet.Store.DestroyFunc() |
| ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), metav1.NamespaceDefault) |
| key := "/statefulsets/" + metav1.NamespaceDefault + "/foo" |
| validStatefulSet := validNewStatefulSet() |
| if err := storage.StatefulSet.Storage.Create(ctx, key, validStatefulSet, nil, 0, false); err != nil { |
| t.Fatalf("unexpected error: %v", err) |
| } |
| update := apps.StatefulSet{ |
| ObjectMeta: validStatefulSet.ObjectMeta, |
| Spec: apps.StatefulSetSpec{ |
| Replicas: 7, |
| }, |
| Status: apps.StatefulSetStatus{ |
| Replicas: 7, |
| }, |
| } |
| |
| if _, _, err := storage.Status.Update(ctx, update.Name, rest.DefaultUpdatedObjectInfo(&update), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{}); err != nil { |
| t.Fatalf("unexpected error: %v", err) |
| } |
| obj, err := storage.StatefulSet.Get(ctx, "foo", &metav1.GetOptions{}) |
| if err != nil { |
| t.Fatalf("unexpected error: %v", err) |
| } |
| |
| ps := obj.(*apps.StatefulSet) |
| if ps.Spec.Replicas != 7 { |
| t.Errorf("we expected .spec.replicas to not be updated but it was updated to %v", ps.Spec.Replicas) |
| } |
| if ps.Status.Replicas != 7 { |
| t.Errorf("we expected .status.replicas to be updated to %d but it was %v", 7, ps.Status.Replicas) |
| } |
| } |
| |
| func TestGet(t *testing.T) { |
| storage, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.StatefulSet.Store.DestroyFunc() |
| test := genericregistrytest.New(t, storage.StatefulSet.Store) |
| test.TestGet(validNewStatefulSet()) |
| } |
| |
| func TestList(t *testing.T) { |
| storage, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.StatefulSet.Store.DestroyFunc() |
| test := genericregistrytest.New(t, storage.StatefulSet.Store) |
| test.TestList(validNewStatefulSet()) |
| } |
| |
| func TestDelete(t *testing.T) { |
| storage, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.StatefulSet.Store.DestroyFunc() |
| test := genericregistrytest.New(t, storage.StatefulSet.Store) |
| test.TestDelete(validNewStatefulSet()) |
| } |
| |
| func TestWatch(t *testing.T) { |
| storage, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.StatefulSet.Store.DestroyFunc() |
| test := genericregistrytest.New(t, storage.StatefulSet.Store) |
| test.TestWatch( |
| validNewStatefulSet(), |
| // matching labels |
| []labels.Set{ |
| {"a": "b"}, |
| }, |
| // not matching labels |
| []labels.Set{ |
| {"a": "c"}, |
| {"foo": "bar"}, |
| }, |
| |
| // matching fields |
| []fields.Set{ |
| {"metadata.name": "foo"}, |
| }, |
| // not matching fields |
| []fields.Set{ |
| {"metadata.name": "bar"}, |
| }, |
| ) |
| } |
| |
| func TestCategories(t *testing.T) { |
| storage, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.StatefulSet.Store.DestroyFunc() |
| expected := []string{"all"} |
| registrytest.AssertCategories(t, storage.StatefulSet, expected) |
| } |
| |
| func TestShortNames(t *testing.T) { |
| storage, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.StatefulSet.Store.DestroyFunc() |
| expected := []string{"sts"} |
| registrytest.AssertShortNames(t, storage.StatefulSet, expected) |
| } |
| |
| func TestScaleGet(t *testing.T) { |
| storage, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.StatefulSet.Store.DestroyFunc() |
| |
| name := "foo" |
| |
| var sts apps.StatefulSet |
| ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), metav1.NamespaceDefault) |
| key := "/statefulsets/" + metav1.NamespaceDefault + "/" + name |
| if err := storage.StatefulSet.Storage.Create(ctx, key, &validStatefulSet, &sts, 0, false); err != nil { |
| t.Fatalf("error setting new statefulset (key: %s) %v: %v", key, validStatefulSet, err) |
| } |
| |
| selector, err := metav1.LabelSelectorAsSelector(validStatefulSet.Spec.Selector) |
| if err != nil { |
| t.Fatal(err) |
| } |
| want := &autoscaling.Scale{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Name: name, |
| Namespace: metav1.NamespaceDefault, |
| UID: sts.UID, |
| ResourceVersion: sts.ResourceVersion, |
| CreationTimestamp: sts.CreationTimestamp, |
| }, |
| Spec: autoscaling.ScaleSpec{ |
| Replicas: validStatefulSet.Spec.Replicas, |
| }, |
| Status: autoscaling.ScaleStatus{ |
| Replicas: validStatefulSet.Status.Replicas, |
| Selector: selector.String(), |
| }, |
| } |
| obj, err := storage.Scale.Get(ctx, name, &metav1.GetOptions{}) |
| got := obj.(*autoscaling.Scale) |
| if err != nil { |
| t.Fatalf("error fetching scale for %s: %v", name, err) |
| } |
| if !apiequality.Semantic.DeepEqual(got, want) { |
| t.Errorf("unexpected scale: %s", diff.ObjectDiff(got, want)) |
| } |
| } |
| |
| func TestScaleUpdate(t *testing.T) { |
| storage, server := newStorage(t) |
| defer server.Terminate(t) |
| defer storage.StatefulSet.Store.DestroyFunc() |
| |
| name := "foo" |
| |
| var sts apps.StatefulSet |
| ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), metav1.NamespaceDefault) |
| key := "/statefulsets/" + metav1.NamespaceDefault + "/" + name |
| if err := storage.StatefulSet.Storage.Create(ctx, key, &validStatefulSet, &sts, 0, false); err != nil { |
| t.Fatalf("error setting new statefulset (key: %s) %v: %v", key, validStatefulSet, err) |
| } |
| replicas := 12 |
| update := autoscaling.Scale{ |
| ObjectMeta: metav1.ObjectMeta{ |
| Name: name, |
| Namespace: metav1.NamespaceDefault, |
| }, |
| Spec: autoscaling.ScaleSpec{ |
| Replicas: int32(replicas), |
| }, |
| } |
| |
| if _, _, err := storage.Scale.Update(ctx, update.Name, rest.DefaultUpdatedObjectInfo(&update), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{}); err != nil { |
| t.Fatalf("error updating scale %v: %v", update, err) |
| } |
| |
| obj, err := storage.Scale.Get(ctx, name, &metav1.GetOptions{}) |
| if err != nil { |
| t.Fatalf("error fetching scale for %s: %v", name, err) |
| } |
| scale := obj.(*autoscaling.Scale) |
| if scale.Spec.Replicas != int32(replicas) { |
| t.Errorf("wrong replicas count expected: %d got: %d", replicas, scale.Spec.Replicas) |
| } |
| |
| update.ResourceVersion = sts.ResourceVersion |
| update.Spec.Replicas = 15 |
| |
| if _, _, err = storage.Scale.Update(ctx, update.Name, rest.DefaultUpdatedObjectInfo(&update), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{}); err != nil && !errors.IsConflict(err) { |
| t.Fatalf("unexpected error, expecting an update conflict but got %v", err) |
| } |
| } |
| |
| // TODO: Test generation number. |