k8s.io/kubernetes@v1.29.3/test/e2e/storage/vsphere/vsphere_volume_disksize.go (about)

     1  /*
     2  Copyright 2017 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package vsphere
    18  
    19  import (
    20  	"context"
    21  	"time"
    22  
    23  	"github.com/onsi/ginkgo/v2"
    24  	"github.com/onsi/gomega"
    25  
    26  	v1 "k8s.io/api/core/v1"
    27  	"k8s.io/apimachinery/pkg/api/resource"
    28  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    29  	clientset "k8s.io/client-go/kubernetes"
    30  	"k8s.io/kubernetes/test/e2e/feature"
    31  	"k8s.io/kubernetes/test/e2e/framework"
    32  	e2epv "k8s.io/kubernetes/test/e2e/framework/pv"
    33  	e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
    34  	"k8s.io/kubernetes/test/e2e/storage/utils"
    35  	admissionapi "k8s.io/pod-security-admission/api"
    36  )
    37  
    38  const (
    39  	diskSizeSCName = "disksizesc"
    40  )
    41  
    42  /*
    43  	Test to verify disk size specified in PVC is being rounded up correctly.
    44  
    45  	Steps
    46  	1. Create StorageClass.
    47  	2. Create PVC with invalid disk size which uses the StorageClass created in step 1.
    48  	3. Verify the provisioned PV size is correct.
    49  */
    50  
    51  var _ = utils.SIGDescribe("Volume Disk Size", feature.Vsphere, func() {
    52  	f := framework.NewDefaultFramework("volume-disksize")
    53  	f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged
    54  	var (
    55  		client       clientset.Interface
    56  		namespace    string
    57  		scParameters map[string]string
    58  		datastore    string
    59  	)
    60  	ginkgo.BeforeEach(func() {
    61  		e2eskipper.SkipUnlessProviderIs("vsphere")
    62  		Bootstrap(f)
    63  		client = f.ClientSet
    64  		namespace = f.Namespace.Name
    65  		scParameters = make(map[string]string)
    66  		datastore = GetAndExpectStringEnvVar(StorageClassDatastoreName)
    67  	})
    68  
    69  	ginkgo.It("verify dynamically provisioned pv has size rounded up correctly", func(ctx context.Context) {
    70  		ginkgo.By("Invoking Test disk size")
    71  		scParameters[Datastore] = datastore
    72  		scParameters[DiskFormat] = ThinDisk
    73  		diskSize := "1"
    74  		expectedDiskSize := "1Mi"
    75  
    76  		ginkgo.By("Creating Storage Class")
    77  		storageclass, err := client.StorageV1().StorageClasses().Create(ctx, getVSphereStorageClassSpec(diskSizeSCName, scParameters, nil, ""), metav1.CreateOptions{})
    78  		framework.ExpectNoError(err)
    79  		ginkgo.DeferCleanup(framework.IgnoreNotFound(client.StorageV1().StorageClasses().Delete), storageclass.Name, metav1.DeleteOptions{})
    80  
    81  		ginkgo.By("Creating PVC using the Storage Class")
    82  		pvclaim, err := e2epv.CreatePVC(ctx, client, namespace, getVSphereClaimSpecWithStorageClass(namespace, diskSize, storageclass))
    83  		framework.ExpectNoError(err)
    84  		ginkgo.DeferCleanup(e2epv.DeletePersistentVolumeClaim, client, pvclaim.Name, namespace)
    85  
    86  		ginkgo.By("Waiting for claim to be in bound phase")
    87  		err = e2epv.WaitForPersistentVolumeClaimPhase(ctx, v1.ClaimBound, client, pvclaim.Namespace, pvclaim.Name, framework.Poll, 2*time.Minute)
    88  		framework.ExpectNoError(err)
    89  
    90  		ginkgo.By("Getting new copy of PVC")
    91  		pvclaim, err = client.CoreV1().PersistentVolumeClaims(pvclaim.Namespace).Get(ctx, pvclaim.Name, metav1.GetOptions{})
    92  		framework.ExpectNoError(err)
    93  
    94  		ginkgo.By("Getting PV created")
    95  		pv, err := client.CoreV1().PersistentVolumes().Get(ctx, pvclaim.Spec.VolumeName, metav1.GetOptions{})
    96  		framework.ExpectNoError(err)
    97  
    98  		ginkgo.By("Verifying if provisioned PV has the correct size")
    99  		expectedCapacity := resource.MustParse(expectedDiskSize)
   100  		pvCapacity := pv.Spec.Capacity[v1.ResourceName(v1.ResourceStorage)]
   101  		gomega.Expect(pvCapacity.Value()).To(gomega.Equal(expectedCapacity.Value()))
   102  	})
   103  })