Create e2e test for StorageClass endpoints

e2e test validates the following 7 endpoints
- createStorageV1StorageClass
- deleteStorageV1CollectionStorageClass
- deleteStorageV1StorageClass
- listStorageV1StorageClass
- patchStorageV1StorageClass
- readStorageV1StorageClass
- replaceStorageV1StorageClass

test/e2e/storage/storageclass.go

@@ -0,0 +1,161 @@
+/*
+Copyright 2023 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 (
+	"context"
+	"fmt"
+	"time"
+
+	storagev1 "k8s.io/api/storage/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/labels"
+	types "k8s.io/apimachinery/pkg/types"
+	"k8s.io/client-go/util/retry"
+	"k8s.io/kubernetes/test/e2e/framework"
+	"k8s.io/kubernetes/test/e2e/storage/utils"
+	admissionapi "k8s.io/pod-security-admission/api"
+
+	"github.com/onsi/ginkgo/v2"
+	"github.com/onsi/gomega"
+)
+
+var _ = utils.SIGDescribe("StorageClasses", func() {
+
+	f := framework.NewDefaultFramework("csi-storageclass")
+	f.NamespacePodSecurityLevel = admissionapi.LevelBaseline
+
+	ginkgo.Describe("CSI Conformance", func() {
+		ginkgo.It("should run through the lifecycle of a StorageClass", func(ctx context.Context) {
+
+			scClient := f.ClientSet.StorageV1().StorageClasses()
+			var initialSC, replacementSC *storagev1.StorageClass
+
+			initialSC = &storagev1.StorageClass{
+				TypeMeta: metav1.TypeMeta{
+					Kind: "StorageClass",
+				},
+				ObjectMeta: metav1.ObjectMeta{
+					GenerateName: "e2e-",
+				},
+				Provisioner: "e2e-fake-provisioner",
+			}
+
+			ginkgo.By("Creating a StorageClass")
+			createdStorageClass, err := scClient.Create(ctx, initialSC, metav1.CreateOptions{})
+			framework.ExpectNoError(err, "failed to create the requested StorageClass")
+
+			ginkgo.By(fmt.Sprintf("Get StorageClass %q", createdStorageClass.Name))
+			retrievedStorageClass, err := scClient.Get(ctx, createdStorageClass.Name, metav1.GetOptions{})
+			framework.ExpectNoError(err, "failed to get StorageClass %q", createdStorageClass.Name)
+
+			ginkgo.By(fmt.Sprintf("Patching the StorageClass %q", retrievedStorageClass.Name))
+			payload := "{\"metadata\":{\"labels\":{\"" + retrievedStorageClass.Name + "\":\"patched\"}}}"
+			patchedStorageClass, err := scClient.Patch(ctx, retrievedStorageClass.Name, types.StrategicMergePatchType, []byte(payload), metav1.PatchOptions{})
+			framework.ExpectNoError(err, "failed to patch StorageClass %q", retrievedStorageClass.Name)
+			gomega.Expect(patchedStorageClass.Labels).To(gomega.HaveKeyWithValue(patchedStorageClass.Name, "patched"), "checking that patched label has been applied")
+
+			ginkgo.By(fmt.Sprintf("Delete StorageClass %q", patchedStorageClass.Name))
+			err = scClient.Delete(ctx, patchedStorageClass.Name, metav1.DeleteOptions{})
+			framework.ExpectNoError(err, "failed to delete StorageClass %q", patchedStorageClass.Name)
+
+			ginkgo.By(fmt.Sprintf("Confirm deletion of StorageClass %q", patchedStorageClass.Name))
+
+			scSelector := labels.Set{patchedStorageClass.Name: "patched"}.AsSelector().String()
+			type state struct {
+				StorageClasses []storagev1.StorageClass
+			}
+
+			err = framework.Gomega().Eventually(ctx, framework.HandleRetry(func(ctx context.Context) (*state, error) {
+				scList, err := scClient.List(ctx, metav1.ListOptions{LabelSelector: scSelector})
+				if err != nil {
+					return nil, fmt.Errorf("failed to list StorageClass: %w", err)
+				}
+				return &state{
+					StorageClasses: scList.Items,
+				}, nil
+			})).WithTimeout(30 * time.Second).Should(framework.MakeMatcher(func(s *state) (func() string, error) {
+				if len(s.StorageClasses) == 0 {
+					return nil, nil
+				}
+				return func() string {
+					return fmt.Sprintf("expected StorageClass to be deleted, found %q", s.StorageClasses[0].Name)
+				}, nil
+			}))
+			framework.ExpectNoError(err, "timeout while waiting to confirm StorageClass %q deletion", patchedStorageClass.Name)
+
+			ginkgo.By("Create a replacement StorageClass")
+
+			replacementSC = &storagev1.StorageClass{
+				TypeMeta: metav1.TypeMeta{
+					Kind: "StorageClass",
+				},
+				ObjectMeta: metav1.ObjectMeta{
+					GenerateName: "e2e-v2-",
+				},
+				Provisioner: "e2e-fake-provisioner",
+			}
+
+			replacementStorageClass, err := scClient.Create(ctx, replacementSC, metav1.CreateOptions{})
+			framework.ExpectNoError(err, "failed to create replacement StorageClass")
+
+			ginkgo.By(fmt.Sprintf("Updating StorageClass %q", replacementStorageClass.Name))
+			var updatedStorageClass *storagev1.StorageClass
+
+			err = retry.RetryOnConflict(retry.DefaultRetry, func() error {
+				sc, err := scClient.Get(ctx, replacementStorageClass.Name, metav1.GetOptions{})
+				framework.ExpectNoError(err, "unable to get Storage %q", replacementStorageClass.Name)
+				sc.Labels = map[string]string{replacementStorageClass.Name: "updated"}
+				updatedStorageClass, err = scClient.Update(ctx, sc, metav1.UpdateOptions{})
+
+				return err
+			})
+			framework.ExpectNoError(err, "failed to update StorageClass %q", replacementStorageClass.Name)
+			gomega.Expect(updatedStorageClass.Labels).To(gomega.HaveKeyWithValue(replacementStorageClass.Name, "updated"), "checking that updated label has been applied")
+
+			scSelector = labels.Set{replacementStorageClass.Name: "updated"}.AsSelector().String()
+			ginkgo.By(fmt.Sprintf("Listing all StorageClass with the labelSelector: %q", scSelector))
+			scList, err := scClient.List(ctx, metav1.ListOptions{LabelSelector: scSelector})
+			framework.ExpectNoError(err, "failed to list StorageClasses with the labelSelector: %q", scSelector)
+			gomega.Expect(scList.Items).To(gomega.HaveLen(1))
+
+			ginkgo.By(fmt.Sprintf("Deleting StorageClass %q via DeleteCollection", updatedStorageClass.Name))
+			err = scClient.DeleteCollection(ctx, metav1.DeleteOptions{}, metav1.ListOptions{LabelSelector: scSelector})
+			framework.ExpectNoError(err, "failed to delete StorageClass %q", updatedStorageClass.Name)
+
+			ginkgo.By(fmt.Sprintf("Confirm deletion of StorageClass %q", updatedStorageClass.Name))
+
+			err = framework.Gomega().Eventually(ctx, framework.HandleRetry(func(ctx context.Context) (*state, error) {
+				scList, err := scClient.List(ctx, metav1.ListOptions{LabelSelector: scSelector})
+				if err != nil {
+					return nil, fmt.Errorf("failed to list StorageClass: %w", err)
+				}
+				return &state{
+					StorageClasses: scList.Items,
+				}, nil
+			})).WithTimeout(30 * time.Second).Should(framework.MakeMatcher(func(s *state) (func() string, error) {
+				if len(s.StorageClasses) == 0 {
+					return nil, nil
+				}
+				return func() string {
+					return fmt.Sprintf("expected StorageClass to be deleted, found %q", s.StorageClasses[0].Name)
+				}, nil
+			}))
+			framework.ExpectNoError(err, "timeout while waiting to confirm StorageClass %q deletion", updatedStorageClass.Name)
+		})
+	})
+})