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dynamically_provisioned_volume_cloning_tester.go
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dynamically_provisioned_volume_cloning_tester.go
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/*
Copyright 2019 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 testsuites
import (
"context"
"time"
"github.com/onsi/ginkgo/v2"
v1 "k8s.io/api/core/v1"
clientset "k8s.io/client-go/kubernetes"
"sigs.k8s.io/blob-csi-driver/test/e2e/driver"
)
// DynamicallyProvisionedVolumeCloningTest will provision required StorageClass(es), PVC(s) and Pod(s)
// ClonedVolumeSize optional for when testing for cloned volume with different size to the original volume
type DynamicallyProvisionedVolumeCloningTest struct {
CSIDriver driver.DynamicPVTestDriver
Pod PodDetails
PodWithClonedVolume PodDetails
ClonedVolumeSize string
StorageClassParameters map[string]string
}
func (t *DynamicallyProvisionedVolumeCloningTest) Run(ctx context.Context, client clientset.Interface, namespace *v1.Namespace) {
// create the storageClass
tsc, tscCleanup := t.Pod.Volumes[0].CreateStorageClass(ctx, client, namespace, t.CSIDriver, t.StorageClassParameters)
defer tscCleanup(ctx)
// create the pod
t.Pod.Volumes[0].StorageClass = tsc.storageClass
tpod, cleanups := t.Pod.SetupWithDynamicVolumes(ctx, client, namespace, t.CSIDriver, t.StorageClassParameters)
for i := range cleanups {
defer cleanups[i](ctx)
}
ginkgo.By("deploying the pod")
tpod.Create(ctx)
defer tpod.Cleanup(ctx)
ginkgo.By("checking that the pod's command exits with no error")
tpod.WaitForSuccess(ctx)
ginkgo.By("sleep 5s and then clone volume")
time.Sleep(5 * time.Second)
ginkgo.By("cloning existing volume")
clonedVolume := t.Pod.Volumes[0]
clonedVolume.DataSource = &DataSource{
Name: tpod.pod.Spec.Volumes[0].VolumeSource.PersistentVolumeClaim.ClaimName,
Kind: VolumePVCKind,
}
clonedVolume.StorageClass = tsc.storageClass
if t.ClonedVolumeSize != "" {
clonedVolume.ClaimSize = t.ClonedVolumeSize
}
t.PodWithClonedVolume.Volumes = []VolumeDetails{clonedVolume}
tpod, cleanups = t.PodWithClonedVolume.SetupWithDynamicVolumes(ctx, client, namespace, t.CSIDriver, t.StorageClassParameters)
for i := range cleanups {
defer cleanups[i](ctx)
}
ginkgo.By("deploying a second pod with cloned volume")
tpod.Create(ctx)
defer tpod.Cleanup(ctx)
ginkgo.By("checking that the pod's command exits with no error")
tpod.WaitForSuccess(ctx)
}