026e7c7cb3
This touches cases where FromInt() is used on numeric constants, or values which are already int32s, or int variables which are defined close by and can be changed to int32s with little impact. Signed-off-by: Stephen Kitt <skitt@redhat.com>
577 lines
20 KiB
Go
577 lines
20 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package storage
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import (
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"context"
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"fmt"
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"net/http"
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"reflect"
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"strings"
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"sync"
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"testing"
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"github.com/google/go-cmp/cmp"
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apiequality "k8s.io/apimachinery/pkg/api/equality"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/fields"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/intstr"
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genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
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"k8s.io/apiserver/pkg/registry/generic"
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genericregistrytest "k8s.io/apiserver/pkg/registry/generic/testing"
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"k8s.io/apiserver/pkg/registry/rest"
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storeerr "k8s.io/apiserver/pkg/storage/errors"
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etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
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"k8s.io/kubernetes/pkg/apis/apps"
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"k8s.io/kubernetes/pkg/apis/autoscaling"
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api "k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/kubernetes/pkg/registry/registrytest"
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)
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const defaultReplicas = 100
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func newStorage(t *testing.T) (*DeploymentStorage, *etcd3testing.EtcdTestServer) {
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etcdStorage, server := registrytest.NewEtcdStorage(t, apps.GroupName)
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restOptions := generic.RESTOptions{StorageConfig: etcdStorage, Decorator: generic.UndecoratedStorage, DeleteCollectionWorkers: 1, ResourcePrefix: "deployments"}
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deploymentStorage, err := NewStorage(restOptions)
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if err != nil {
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t.Fatalf("unexpected error from REST storage: %v", err)
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}
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return &deploymentStorage, server
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}
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var namespace = "foo-namespace"
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var name = "foo-deployment"
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func validNewDeployment() *apps.Deployment {
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return &apps.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: namespace,
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},
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Spec: apps.DeploymentSpec{
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{"a": "b"}},
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Strategy: apps.DeploymentStrategy{
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Type: apps.RollingUpdateDeploymentStrategyType,
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RollingUpdate: &apps.RollingUpdateDeployment{
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MaxSurge: intstr.FromInt32(1),
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MaxUnavailable: intstr.FromInt32(1),
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},
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},
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Template: api.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"a": "b"},
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},
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Spec: api.PodSpec{
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Containers: []api.Container{
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{
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Name: "test",
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Image: "test_image",
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ImagePullPolicy: api.PullIfNotPresent,
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TerminationMessagePolicy: api.TerminationMessageReadFile,
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},
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},
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RestartPolicy: api.RestartPolicyAlways,
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DNSPolicy: api.DNSClusterFirst,
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},
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},
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Replicas: 7,
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},
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Status: apps.DeploymentStatus{
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Replicas: 5,
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},
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}
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}
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var validDeployment = *validNewDeployment()
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func TestCreate(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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test := genericregistrytest.New(t, storage.Deployment.Store)
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deployment := validNewDeployment()
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deployment.ObjectMeta = metav1.ObjectMeta{}
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test.TestCreate(
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// valid
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deployment,
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// invalid (invalid selector)
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&apps.Deployment{
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Spec: apps.DeploymentSpec{
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Selector: &metav1.LabelSelector{MatchLabels: map[string]string{}},
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Template: validDeployment.Spec.Template,
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},
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},
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)
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}
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func TestUpdate(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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test := genericregistrytest.New(t, storage.Deployment.Store)
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test.TestUpdate(
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// valid
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validNewDeployment(),
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// updateFunc
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func(obj runtime.Object) runtime.Object {
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object := obj.(*apps.Deployment)
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object.Spec.Template.Spec.NodeSelector = map[string]string{"c": "d"}
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return object
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},
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// invalid updateFunc
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func(obj runtime.Object) runtime.Object {
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object := obj.(*apps.Deployment)
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object.Name = ""
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return object
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},
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func(obj runtime.Object) runtime.Object {
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object := obj.(*apps.Deployment)
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object.Spec.Template.Spec.RestartPolicy = api.RestartPolicyOnFailure
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return object
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},
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func(obj runtime.Object) runtime.Object {
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object := obj.(*apps.Deployment)
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object.Spec.Selector = &metav1.LabelSelector{MatchLabels: map[string]string{}}
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return object
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},
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)
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}
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func TestDelete(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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test := genericregistrytest.New(t, storage.Deployment.Store)
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test.TestDelete(validNewDeployment())
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}
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func TestGet(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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test := genericregistrytest.New(t, storage.Deployment.Store)
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test.TestGet(validNewDeployment())
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}
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func TestList(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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test := genericregistrytest.New(t, storage.Deployment.Store)
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test.TestList(validNewDeployment())
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}
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func TestWatch(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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test := genericregistrytest.New(t, storage.Deployment.Store)
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test.TestWatch(
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validNewDeployment(),
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// matching labels
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[]labels.Set{},
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// not matching labels
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[]labels.Set{
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{"a": "c"},
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{"foo": "bar"},
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},
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// matching fields
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[]fields.Set{
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{"metadata.name": name},
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},
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// not matching fields
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[]fields.Set{
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{"metadata.name": "bar"},
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{"name": name},
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},
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)
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}
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func TestScaleGet(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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var deployment apps.Deployment
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ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), namespace)
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key := "/deployments/" + namespace + "/" + name
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if err := storage.Deployment.Storage.Create(ctx, key, &validDeployment, &deployment, 0, false); err != nil {
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t.Fatalf("error setting new deployment (key: %s) %v: %v", key, validDeployment, err)
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}
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selector, err := metav1.LabelSelectorAsSelector(validDeployment.Spec.Selector)
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if err != nil {
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t.Fatal(err)
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}
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want := &autoscaling.Scale{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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Namespace: namespace,
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UID: deployment.UID,
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ResourceVersion: deployment.ResourceVersion,
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CreationTimestamp: deployment.CreationTimestamp,
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},
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Spec: autoscaling.ScaleSpec{
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Replicas: validDeployment.Spec.Replicas,
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},
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Status: autoscaling.ScaleStatus{
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Replicas: validDeployment.Status.Replicas,
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Selector: selector.String(),
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},
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}
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obj, err := storage.Scale.Get(ctx, name, &metav1.GetOptions{})
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if err != nil {
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t.Fatalf("error fetching scale for %s: %v", name, err)
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}
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got := obj.(*autoscaling.Scale)
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if !apiequality.Semantic.DeepEqual(want, got) {
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t.Errorf("unexpected scale: %s", cmp.Diff(want, got))
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}
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}
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func TestScaleUpdate(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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var deployment apps.Deployment
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ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), namespace)
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key := "/deployments/" + namespace + "/" + name
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if err := storage.Deployment.Storage.Create(ctx, key, &validDeployment, &deployment, 0, false); err != nil {
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t.Fatalf("error setting new deployment (key: %s) %v: %v", key, validDeployment, err)
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}
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replicas := int32(12)
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update := autoscaling.Scale{
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ObjectMeta: metav1.ObjectMeta{Name: name, Namespace: namespace},
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Spec: autoscaling.ScaleSpec{
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Replicas: replicas,
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},
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}
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if _, _, err := storage.Scale.Update(ctx, update.Name, rest.DefaultUpdatedObjectInfo(&update), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{}); err != nil {
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t.Fatalf("error updating scale %v: %v", update, err)
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}
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obj, err := storage.Scale.Get(ctx, name, &metav1.GetOptions{})
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if err != nil {
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t.Fatalf("error fetching scale for %s: %v", name, err)
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}
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scale := obj.(*autoscaling.Scale)
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if scale.Spec.Replicas != replicas {
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t.Errorf("wrong replicas count expected: %d got: %d", replicas, deployment.Spec.Replicas)
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}
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update.ResourceVersion = deployment.ResourceVersion
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update.Spec.Replicas = 15
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if _, _, err = storage.Scale.Update(ctx, update.Name, rest.DefaultUpdatedObjectInfo(&update), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{}); err != nil && !apierrors.IsConflict(err) {
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t.Fatalf("unexpected error, expecting an update conflict but got %v", err)
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}
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}
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func TestStatusUpdate(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), namespace)
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key := "/deployments/" + namespace + "/" + name
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if err := storage.Deployment.Storage.Create(ctx, key, &validDeployment, nil, 0, false); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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update := apps.Deployment{
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ObjectMeta: validDeployment.ObjectMeta,
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Spec: apps.DeploymentSpec{
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Replicas: defaultReplicas,
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},
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Status: apps.DeploymentStatus{
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Replicas: defaultReplicas,
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},
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}
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if _, _, err := storage.Status.Update(ctx, update.Name, rest.DefaultUpdatedObjectInfo(&update), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{}); err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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obj, err := storage.Deployment.Get(ctx, name, &metav1.GetOptions{})
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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deployment := obj.(*apps.Deployment)
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if deployment.Spec.Replicas != 7 {
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t.Errorf("we expected .spec.replicas to not be updated but it was updated to %v", deployment.Spec.Replicas)
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}
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if deployment.Status.Replicas != defaultReplicas {
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t.Errorf("we expected .status.replicas to be updated to %d but it was %v", defaultReplicas, deployment.Status.Replicas)
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}
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}
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func TestEtcdCreateDeploymentRollback(t *testing.T) {
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testCases := map[string]struct {
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rollback apps.DeploymentRollback
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errOK func(error) bool
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}{
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"normal": {
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rollback: apps.DeploymentRollback{
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Name: name,
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UpdatedAnnotations: map[string]string{},
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RollbackTo: apps.RollbackConfig{Revision: 1},
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},
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errOK: func(err error) bool { return err == nil },
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},
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"noAnnotation": {
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rollback: apps.DeploymentRollback{
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Name: name,
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RollbackTo: apps.RollbackConfig{Revision: 1},
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},
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errOK: func(err error) bool { return err == nil },
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},
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"noName": {
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rollback: apps.DeploymentRollback{
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UpdatedAnnotations: map[string]string{},
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RollbackTo: apps.RollbackConfig{Revision: 1},
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},
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errOK: func(err error) bool { return err != nil },
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},
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}
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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for k, test := range testCases {
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rollbackStorage := storage.Rollback
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deployment := validNewDeployment()
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deployment.Namespace = fmt.Sprintf("namespace-%s", strings.ToLower(k))
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ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), deployment.Namespace)
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if _, err := storage.Deployment.Create(ctx, deployment, rest.ValidateAllObjectFunc, &metav1.CreateOptions{}); err != nil {
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t.Fatalf("%s: unexpected error: %v", k, err)
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}
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rollbackRespStatus, err := rollbackStorage.Create(ctx, test.rollback.Name, &test.rollback, rest.ValidateAllObjectFunc, &metav1.CreateOptions{})
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if !test.errOK(err) {
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t.Errorf("%s: unexpected error: %v", k, err)
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} else if err == nil {
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// If rollback succeeded, verify Rollback response and Rollback field of deployment
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status, ok := rollbackRespStatus.(*metav1.Status)
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if !ok {
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t.Errorf("%s: unexpected response format", k)
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}
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if status.Code != http.StatusOK || status.Status != metav1.StatusSuccess {
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t.Errorf("%s: unexpected response, code: %d, status: %s", k, status.Code, status.Status)
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}
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d, err := storage.Deployment.Get(ctx, deployment.ObjectMeta.Name, &metav1.GetOptions{})
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if err != nil {
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t.Errorf("%s: unexpected error: %v", k, err)
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} else if !reflect.DeepEqual(*d.(*apps.Deployment).Spec.RollbackTo, test.rollback.RollbackTo) {
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t.Errorf("%s: expected: %v, got: %v", k, *d.(*apps.Deployment).Spec.RollbackTo, test.rollback.RollbackTo)
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}
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}
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}
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}
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func TestCreateDeploymentRollbackValidation(t *testing.T) {
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storage, server := newStorage(t)
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rollbackStorage := storage.Rollback
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rollback := apps.DeploymentRollback{
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Name: name,
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UpdatedAnnotations: map[string]string{},
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RollbackTo: apps.RollbackConfig{Revision: 1},
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}
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ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), namespace)
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if _, err := storage.Deployment.Create(ctx, validNewDeployment(), rest.ValidateAllObjectFunc, &metav1.CreateOptions{}); err != nil {
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t.Fatalf("Unexpected error: %v", err)
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}
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validationError := fmt.Errorf("admission deny")
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alwaysDenyValidationFunc := func(ctx context.Context, obj runtime.Object) error { return validationError }
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_, err := rollbackStorage.Create(ctx, rollback.Name, &rollback, alwaysDenyValidationFunc, &metav1.CreateOptions{})
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if err == nil || validationError != err {
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t.Errorf("expected: %v, got: %v", validationError, err)
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}
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storage.Deployment.Store.DestroyFunc()
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server.Terminate(t)
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}
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// Ensure that when a deploymentRollback is created for a deployment that has already been deleted
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// by the API server, API server returns not-found error.
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func TestEtcdCreateDeploymentRollbackNoDeployment(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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rollbackStorage := storage.Rollback
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ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), namespace)
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_, err := rollbackStorage.Create(ctx, name, &apps.DeploymentRollback{
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Name: name,
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UpdatedAnnotations: map[string]string{},
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RollbackTo: apps.RollbackConfig{Revision: 1},
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}, rest.ValidateAllObjectFunc, &metav1.CreateOptions{})
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if err == nil {
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t.Fatalf("Expected not-found-error but got nothing")
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}
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if !apierrors.IsNotFound(storeerr.InterpretGetError(err, apps.Resource("deployments"), name)) {
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t.Fatalf("Unexpected error returned: %#v", err)
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}
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_, err = storage.Deployment.Get(ctx, name, &metav1.GetOptions{})
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if err == nil {
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t.Fatalf("Expected not-found-error but got nothing")
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}
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if !apierrors.IsNotFound(storeerr.InterpretGetError(err, apps.Resource("deployments"), name)) {
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t.Fatalf("Unexpected error: %v", err)
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}
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}
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func TestShortNames(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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expected := []string{"deploy"}
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registrytest.AssertShortNames(t, storage.Deployment, expected)
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}
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func TestCategories(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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defer storage.Deployment.Store.DestroyFunc()
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expected := []string{"all"}
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registrytest.AssertCategories(t, storage.Deployment, expected)
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}
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func TestScalePatchErrors(t *testing.T) {
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storage, server := newStorage(t)
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defer server.Terminate(t)
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validObj := validNewDeployment()
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resourceStore := storage.Deployment.Store
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scaleStore := storage.Scale
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defer resourceStore.DestroyFunc()
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ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), namespace)
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{
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applyNotFoundPatch := func() rest.TransformFunc {
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return func(_ context.Context, _, currentObject runtime.Object) (objToUpdate runtime.Object, patchErr error) {
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t.Errorf("notfound patch called")
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return currentObject, nil
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|
}
|
|
}
|
|
_, _, err := scaleStore.Update(ctx, "bad-name", rest.DefaultUpdatedObjectInfo(nil, applyNotFoundPatch()), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{})
|
|
if !apierrors.IsNotFound(err) {
|
|
t.Errorf("expected notfound, got %v", err)
|
|
}
|
|
}
|
|
|
|
if _, err := resourceStore.Create(ctx, validObj, rest.ValidateAllObjectFunc, &metav1.CreateOptions{}); err != nil {
|
|
t.Errorf("Unexpected error: %v", err)
|
|
}
|
|
|
|
{
|
|
applyBadUIDPatch := func() rest.TransformFunc {
|
|
return func(_ context.Context, _, currentObject runtime.Object) (objToUpdate runtime.Object, patchErr error) {
|
|
currentObject.(*autoscaling.Scale).UID = "123"
|
|
return currentObject, nil
|
|
}
|
|
}
|
|
_, _, err := scaleStore.Update(ctx, name, rest.DefaultUpdatedObjectInfo(nil, applyBadUIDPatch()), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{})
|
|
if !apierrors.IsConflict(err) {
|
|
t.Errorf("expected conflict, got %v", err)
|
|
}
|
|
}
|
|
|
|
{
|
|
applyBadResourceVersionPatch := func() rest.TransformFunc {
|
|
return func(_ context.Context, _, currentObject runtime.Object) (objToUpdate runtime.Object, patchErr error) {
|
|
currentObject.(*autoscaling.Scale).ResourceVersion = "123"
|
|
return currentObject, nil
|
|
}
|
|
}
|
|
_, _, err := scaleStore.Update(ctx, name, rest.DefaultUpdatedObjectInfo(nil, applyBadResourceVersionPatch()), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{})
|
|
if !apierrors.IsConflict(err) {
|
|
t.Errorf("expected conflict, got %v", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestScalePatchConflicts(t *testing.T) {
|
|
storage, server := newStorage(t)
|
|
defer server.Terminate(t)
|
|
validObj := validNewDeployment()
|
|
resourceStore := storage.Deployment.Store
|
|
scaleStore := storage.Scale
|
|
|
|
defer resourceStore.DestroyFunc()
|
|
ctx := genericapirequest.WithNamespace(genericapirequest.NewContext(), namespace)
|
|
if _, err := resourceStore.Create(ctx, validObj, rest.ValidateAllObjectFunc, &metav1.CreateOptions{}); err != nil {
|
|
t.Fatalf("Unexpected error: %v", err)
|
|
}
|
|
applyLabelPatch := func(labelName, labelValue string) rest.TransformFunc {
|
|
return func(_ context.Context, _, currentObject runtime.Object) (objToUpdate runtime.Object, patchErr error) {
|
|
currentObject.(metav1.Object).SetLabels(map[string]string{labelName: labelValue})
|
|
return currentObject, nil
|
|
}
|
|
}
|
|
stopCh := make(chan struct{})
|
|
wg := &sync.WaitGroup{}
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
// continuously submits a patch that updates a label and verifies the label update was effective
|
|
labelName := "timestamp"
|
|
for i := 0; ; i++ {
|
|
select {
|
|
case <-stopCh:
|
|
return
|
|
default:
|
|
expectedLabelValue := fmt.Sprint(i)
|
|
updated, _, err := resourceStore.Update(ctx, name, rest.DefaultUpdatedObjectInfo(nil, applyLabelPatch(labelName, fmt.Sprint(i))), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{})
|
|
if err != nil {
|
|
t.Errorf("error patching main resource: %v", err)
|
|
return
|
|
}
|
|
gotLabelValue := updated.(metav1.Object).GetLabels()[labelName]
|
|
if gotLabelValue != expectedLabelValue {
|
|
t.Errorf("wrong label value: expected: %s, got: %s", expectedLabelValue, gotLabelValue)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
}()
|
|
|
|
// continuously submits a scale patch of replicas for a monotonically increasing replica value
|
|
applyReplicaPatch := func(replicas int) rest.TransformFunc {
|
|
return func(_ context.Context, _, currentObject runtime.Object) (objToUpdate runtime.Object, patchErr error) {
|
|
currentObject.(*autoscaling.Scale).Spec.Replicas = int32(replicas)
|
|
return currentObject, nil
|
|
}
|
|
}
|
|
for i := 0; i < 100; i++ {
|
|
result, _, err := scaleStore.Update(ctx, name, rest.DefaultUpdatedObjectInfo(nil, applyReplicaPatch(i)), rest.ValidateAllObjectFunc, rest.ValidateAllObjectUpdateFunc, false, &metav1.UpdateOptions{})
|
|
if err != nil {
|
|
t.Fatalf("error patching scale: %v", err)
|
|
}
|
|
scale := result.(*autoscaling.Scale)
|
|
if scale.Spec.Replicas != int32(i) {
|
|
t.Errorf("wrong replicas count: expected: %d got: %d", i, scale.Spec.Replicas)
|
|
}
|
|
}
|
|
close(stopCh)
|
|
wg.Wait()
|
|
}
|