sigs.k8s.io/blob-csi-driver@v1.24.1/test/e2e/testsuites/dynamically_provisioned_resize_volume_tester.go (about)

     1  /*
     2  Copyright 2020 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 testsuites
    18  
    19  import (
    20  	"context"
    21  	"fmt"
    22  	"strings"
    23  	"time"
    24  
    25  	"github.com/onsi/ginkgo/v2"
    26  	"sigs.k8s.io/blob-csi-driver/pkg/util"
    27  	"sigs.k8s.io/blob-csi-driver/test/e2e/driver"
    28  
    29  	v1 "k8s.io/api/core/v1"
    30  	"k8s.io/apimachinery/pkg/api/resource"
    31  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    32  	clientset "k8s.io/client-go/kubernetes"
    33  	"k8s.io/kubernetes/test/e2e/framework"
    34  )
    35  
    36  // DynamicallyProvisionedResizeVolumeTest will provision required StorageClass(es), PVC(s) and Pod(s)
    37  // Waiting for the PV provisioner to resize the PV
    38  // Testing if the PV is resized successfully.
    39  type DynamicallyProvisionedResizeVolumeTest struct {
    40  	CSIDriver              driver.DynamicPVTestDriver
    41  	Pods                   []PodDetails
    42  	StorageClassParameters map[string]string
    43  }
    44  
    45  func (t *DynamicallyProvisionedResizeVolumeTest) Run(ctx context.Context, client clientset.Interface, namespace *v1.Namespace) {
    46  	for _, pod := range t.Pods {
    47  		tpod, cleanup := pod.SetupWithDynamicVolumes(ctx, client, namespace, t.CSIDriver, t.StorageClassParameters)
    48  		// defer must be called here for resources not get removed before using them
    49  		for i := range cleanup {
    50  			defer cleanup[i](ctx)
    51  		}
    52  
    53  		ginkgo.By("deploying the pod")
    54  		tpod.Create(ctx)
    55  		defer tpod.Cleanup(ctx)
    56  		ginkgo.By("checking that the pods command exits with no error")
    57  		tpod.WaitForSuccess(ctx)
    58  
    59  		pvcName := tpod.pod.Spec.Volumes[0].VolumeSource.PersistentVolumeClaim.ClaimName
    60  		pvc, err := client.CoreV1().PersistentVolumeClaims(namespace.Name).Get(ctx, pvcName, metav1.GetOptions{})
    61  		if err != nil {
    62  			framework.ExpectNoError(err, fmt.Sprintf("fail to get original pvc(%s): %v", pvcName, err))
    63  		}
    64  
    65  		originalSize := pvc.Spec.Resources.Requests["storage"]
    66  		delta := resource.Quantity{}
    67  		delta.Set(util.GiBToBytes(1))
    68  		originalSize.Add(delta)
    69  		pvc.Spec.Resources.Requests["storage"] = originalSize
    70  
    71  		ginkgo.By("resizing the pvc")
    72  		updatedPvc, err := client.CoreV1().PersistentVolumeClaims(namespace.Name).Update(ctx, pvc, metav1.UpdateOptions{})
    73  		if err != nil {
    74  			framework.ExpectNoError(err, fmt.Sprintf("fail to resize pvc(%s): %v", pvcName, err))
    75  		}
    76  		updatedSize := updatedPvc.Spec.Resources.Requests["storage"]
    77  
    78  		ginkgo.By("sleep 30s waiting for resize complete")
    79  		time.Sleep(30 * time.Second)
    80  
    81  		ginkgo.By("checking the resizing result")
    82  		newPvc, err := client.CoreV1().PersistentVolumeClaims(namespace.Name).Get(ctx, tpod.pod.Spec.Volumes[0].VolumeSource.PersistentVolumeClaim.ClaimName, metav1.GetOptions{})
    83  		if err != nil {
    84  			framework.ExpectNoError(err, fmt.Sprintf("fail to get new pvc(%s): %v", pvcName, err))
    85  		}
    86  		newSize := newPvc.Spec.Resources.Requests["storage"]
    87  		if !newSize.Equal(updatedSize) {
    88  			framework.Failf("newSize(%+v) is not equal to updatedSize(%+v)", newSize, updatedSize)
    89  		}
    90  
    91  		ginkgo.By("checking the resizing PV result")
    92  		newPv, _ := client.CoreV1().PersistentVolumes().Get(ctx, updatedPvc.Spec.VolumeName, metav1.GetOptions{})
    93  		newPvSize := newPv.Spec.Capacity["storage"]
    94  		newPvSizeStr := newPvSize.String() + "Gi"
    95  
    96  		if !strings.Contains(newPvSizeStr, newSize.String()) {
    97  			framework.Failf("newPVCSize(%+v) is not equal to newPVSize(%+v)", newSize.String(), newPvSizeStr)
    98  		}
    99  	}
   100  }