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storage capacity: CRUD conformance test
This is needed for GA APIs. This one is based on test/e2e/common/node/runtimeclass.go.
This commit is contained in:
Patrick Ohly
parent
f84f4fa291
commit
f5340fdd02
258
test/e2e/storage/csistoragecapacity.go
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258
test/e2e/storage/csistoragecapacity.go
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/*
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Copyright 2022 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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"time"
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storagev1 "k8s.io/api/storage/v1"
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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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types "k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/apimachinery/pkg/watch"
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"k8s.io/kubernetes/test/e2e/framework"
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"k8s.io/kubernetes/test/e2e/storage/utils"
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"github.com/onsi/ginkgo"
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)
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var _ = utils.SIGDescribe("CSIStorageCapacity", func() {
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f := framework.NewDefaultFramework("csistoragecapacity")
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/*
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Release: v1.24
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Testname: CSIStorageCapacity API
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Description:
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The storage.k8s.io API group MUST exist in the /apis discovery document.
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The storage.k8s.io/v1 API group/version MUST exist in the /apis/mode.k8s.io discovery document.
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The csistoragecapacities resource MUST exist in the /apis/storage.k8s.io/v1 discovery document.
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The csistoragecapacities resource must support create, get, list, watch, update, patch, delete, and deletecollection.
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TODO (pohly): promote to framework.ConformanceIt
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*/
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ginkgo.It(" should support CSIStorageCapacities API operations", func() {
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// Setup
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cscVersion := "v1"
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cscClient := f.ClientSet.StorageV1().CSIStorageCapacities(f.Namespace.Name)
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cscClientNoNamespace := f.ClientSet.StorageV1().CSIStorageCapacities("")
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// The fictional StorageClass for these objects.
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scName := "e2e.example.com"
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// All CRUD operations in this test are limited to the objects with the label test=f.UniqueName
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newCSIStorageCapacity := func(nameSuffix string) *storagev1.CSIStorageCapacity {
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return &storagev1.CSIStorageCapacity{
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ObjectMeta: metav1.ObjectMeta{
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Name: f.UniqueName + nameSuffix,
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Labels: map[string]string{
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"test": f.UniqueName,
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},
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},
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StorageClassName: scName,
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}
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}
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csc := newCSIStorageCapacity("-csc1")
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csc2 := newCSIStorageCapacity("-csc2")
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csc3 := newCSIStorageCapacity("-csc3")
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// Discovery
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ginkgo.By("getting /apis")
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{
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discoveryGroups, err := f.ClientSet.Discovery().ServerGroups()
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framework.ExpectNoError(err)
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found := false
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for _, group := range discoveryGroups.Groups {
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if group.Name == storagev1.GroupName {
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for _, version := range group.Versions {
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if version.Version == cscVersion {
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found = true
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break
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}
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}
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}
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}
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if !found {
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framework.Failf("expected CSIStorageCapacity API group/version, got %#v", discoveryGroups.Groups)
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}
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}
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ginkgo.By("getting /apis/storage.k8s.io")
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{
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group := &metav1.APIGroup{}
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err := f.ClientSet.Discovery().RESTClient().Get().AbsPath("/apis/storage.k8s.io").Do(context.TODO()).Into(group)
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framework.ExpectNoError(err)
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found := false
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for _, version := range group.Versions {
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if version.Version == cscVersion {
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found = true
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break
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}
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}
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if !found {
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framework.Failf("expected CSIStorageCapacity API version, got %#v", group.Versions)
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}
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}
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ginkgo.By("getting /apis/storage.k8s.io/" + cscVersion)
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{
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resources, err := f.ClientSet.Discovery().ServerResourcesForGroupVersion(storagev1.SchemeGroupVersion.String())
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framework.ExpectNoError(err)
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found := false
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for _, resource := range resources.APIResources {
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switch resource.Name {
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case "csistoragecapacities":
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found = true
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}
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}
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if !found {
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framework.Failf("expected csistoragecapacities, got %#v", resources.APIResources)
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}
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}
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// Main resource create/read/update/watch operations
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ginkgo.By("creating")
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createdCSC, err := cscClient.Create(context.TODO(), csc, metav1.CreateOptions{})
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framework.ExpectNoError(err)
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_, err = cscClient.Create(context.TODO(), csc, metav1.CreateOptions{})
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if !apierrors.IsAlreadyExists(err) {
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framework.Failf("expected 409, got %#v", err)
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}
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_, err = cscClient.Create(context.TODO(), csc2, metav1.CreateOptions{})
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framework.ExpectNoError(err)
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ginkgo.By("watching")
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framework.Logf("starting watch")
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cscWatch, err := cscClient.Watch(context.TODO(), metav1.ListOptions{LabelSelector: "test=" + f.UniqueName})
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framework.ExpectNoError(err)
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cscWatchNoNamespace, err := cscClientNoNamespace.Watch(context.TODO(), metav1.ListOptions{LabelSelector: "test=" + f.UniqueName})
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framework.ExpectNoError(err)
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// added for a watch
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_, err = cscClient.Create(context.TODO(), csc3, metav1.CreateOptions{})
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framework.ExpectNoError(err)
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ginkgo.By("getting")
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gottenCSC, err := cscClient.Get(context.TODO(), csc.Name, metav1.GetOptions{})
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framework.ExpectNoError(err)
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framework.ExpectEqual(gottenCSC.UID, createdCSC.UID)
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ginkgo.By("listing in namespace")
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cscs, err := cscClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "test=" + f.UniqueName})
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framework.ExpectNoError(err)
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framework.ExpectEqual(len(cscs.Items), 3, "filtered list should have 3 items, got: %s", cscs)
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ginkgo.By("listing across namespaces")
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cscs, err = cscClientNoNamespace.List(context.TODO(), metav1.ListOptions{LabelSelector: "test=" + f.UniqueName})
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framework.ExpectNoError(err)
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framework.ExpectEqual(len(cscs.Items), 3, "filtered list should have 3 items, got: %s", cscs)
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ginkgo.By("patching")
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patchedCSC, err := cscClient.Patch(context.TODO(), createdCSC.Name, types.MergePatchType, []byte(`{"metadata":{"annotations":{"patched":"true"}}}`), metav1.PatchOptions{})
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framework.ExpectNoError(err)
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framework.ExpectEqual(patchedCSC.Annotations["patched"], "true", "patched object should have the applied annotation")
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ginkgo.By("updating")
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csrToUpdate := patchedCSC.DeepCopy()
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csrToUpdate.Annotations["updated"] = "true"
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updatedCSC, err := cscClient.Update(context.TODO(), csrToUpdate, metav1.UpdateOptions{})
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framework.ExpectNoError(err)
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framework.ExpectEqual(updatedCSC.Annotations["updated"], "true", "updated object should have the applied annotation")
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expectWatchResult := func(kind string, w watch.Interface) {
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framework.Logf("waiting for watch events with expected annotations %s", kind)
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for sawAdded, sawPatched, sawUpdated := false, false, false; !sawAdded && !sawPatched && !sawUpdated; {
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select {
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case evt, ok := <-w.ResultChan():
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if !ok {
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framework.Failf("%s: watch channel should not close", kind)
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}
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if evt.Type == watch.Modified {
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watchedCSC, isCSC := evt.Object.(*storagev1.CSIStorageCapacity)
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if !isCSC {
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framework.Failf("%s: expected CSC, got %T", kind, evt.Object)
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}
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if watchedCSC.Annotations["patched"] == "true" {
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framework.Logf("%s: saw patched annotations", kind)
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sawPatched = true
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} else if watchedCSC.Annotations["updated"] == "true" {
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framework.Logf("%s: saw updated annotations", kind)
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sawUpdated = true
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} else {
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framework.Logf("%s: missing expected annotations, waiting: %#v", kind, watchedCSC.Annotations)
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}
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} else if evt.Type == watch.Added {
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_, isCSC := evt.Object.(*storagev1.CSIStorageCapacity)
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if !isCSC {
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framework.Failf("%s: expected CSC, got %T", kind, evt.Object)
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}
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sawAdded = true
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}
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case <-time.After(wait.ForeverTestTimeout):
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framework.Failf("%s: timed out waiting for watch event", kind)
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}
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}
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w.Stop()
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}
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expectWatchResult("in namespace", cscWatch)
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expectWatchResult("across namespace", cscWatchNoNamespace)
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// main resource delete operations
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ginkgo.By("deleting")
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err = cscClient.Delete(context.TODO(), createdCSC.Name, metav1.DeleteOptions{})
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framework.ExpectNoError(err)
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csc, err = cscClient.Get(context.TODO(), createdCSC.Name, metav1.GetOptions{})
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min := 2
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max := min
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switch {
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case apierrors.IsNotFound(err):
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// Okay, normal case.
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case err != nil:
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// Unexpected error.
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framework.Failf("expected 404, got %#v", err)
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case csc.DeletionTimestamp != nil && len(csc.Finalizers) > 0:
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// Deletion was prevented by a finalizer, but it might
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// still get deleted before we list them below.
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max++
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default:
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framework.Failf("CSIStorageCapacitity should have been deleted or have DeletionTimestamp and Finalizers, but instead got: %s", csc)
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}
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cscs, err = cscClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "test=" + f.UniqueName})
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framework.ExpectNoError(err)
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actualLen := len(cscs.Items)
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if actualLen < min || actualLen > max {
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framework.Failf("expected <= %d and >= %d remaining CSIStorageCapacity objects, got %d: %v", max, min, actualLen, cscs.Items)
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}
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ginkgo.By("deleting a collection")
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err = cscClient.DeleteCollection(context.TODO(), metav1.DeleteOptions{}, metav1.ListOptions{LabelSelector: "test=" + f.UniqueName})
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framework.ExpectNoError(err)
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cscs, err = cscClient.List(context.TODO(), metav1.ListOptions{LabelSelector: "test=" + f.UniqueName})
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framework.ExpectNoError(err)
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for _, csc := range cscs.Items {
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// Any remaining objects should be marked for deletion
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// and only held back by a Finalizer.
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if csc.DeletionTimestamp == nil || len(csc.Finalizers) == 0 {
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framework.Failf("CSIStorageCapacity should have been deleted or have DeletionTimestamp and Finalizers, but instead got: %s", &csc)
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}
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}
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})
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})
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