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92 changes: 92 additions & 0 deletions
92
tests/e2e/testsuites/dynamically_provisioned_resize_volume_tester.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| /* | ||
| Copyright 2018 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 ( | ||
| "fmt" | ||
| "github.com/kubernetes-sigs/aws-ebs-csi-driver/pkg/util" | ||
| "github.com/kubernetes-sigs/aws-ebs-csi-driver/tests/e2e/driver" | ||
| "k8s.io/apimachinery/pkg/api/resource" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/kubernetes/test/e2e/framework" | ||
| "time" | ||
|
|
||
| . "github.com/onsi/ginkgo" | ||
| "k8s.io/api/core/v1" | ||
| clientset "k8s.io/client-go/kubernetes" | ||
| ) | ||
|
|
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| // DynamicallyProvisionedResizeVolumeTest will provision required StorageClass(es), PVC(s) and Pod(s) | ||
| // Waiting for the PV provisioner to create a new PV | ||
| // Update pvc storage size | ||
| // Waiting for new PVC and PV to be ready | ||
| // And finally attach pvc to the pod and wait for pod to be ready. | ||
| type DynamicallyProvisionedResizeVolumeTest struct { | ||
| CSIDriver driver.DynamicPVTestDriver | ||
| Pod PodDetails | ||
| } | ||
|
|
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| func (t *DynamicallyProvisionedResizeVolumeTest) Run(client clientset.Interface, namespace *v1.Namespace) { | ||
| volume := t.Pod.Volumes[0] | ||
| tpvc, _ := volume.SetupDynamicPersistentVolumeClaim(client, namespace, t.CSIDriver) | ||
| defer tpvc.Cleanup() | ||
|
|
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| pvcName := tpvc.persistentVolumeClaim.Name | ||
| pvc, err := client.CoreV1().PersistentVolumeClaims(namespace.Name).Get(pvcName, metav1.GetOptions{}) | ||
| By(fmt.Sprintf("Get pvc name: %v", pvc.Name)) | ||
| originalSize := pvc.Spec.Resources.Requests["storage"] | ||
| delta := resource.Quantity{} | ||
| delta.Set(util.GiBToBytes(1)) | ||
| originalSize.Add(delta) | ||
| pvc.Spec.Resources.Requests["storage"] = originalSize | ||
|
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| By("resizing the pvc") | ||
| updatedPvc, err := client.CoreV1().PersistentVolumeClaims(namespace.Name).Update(pvc) | ||
| if err != nil { | ||
| framework.ExpectNoError(err, fmt.Sprintf("fail to resize pvc(%s): %v", pvcName, err)) | ||
| } | ||
| updatedSize := updatedPvc.Spec.Resources.Requests["storage"] | ||
|
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| By("checking the resizing PV result") | ||
| error := WaitForPvToResize(client, namespace, updatedPvc.Spec.VolumeName, updatedSize, 1*time.Minute, 5*time.Second) | ||
| framework.ExpectNoError(error) | ||
|
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| By("Validate volume can be attached") | ||
| tpod := NewTestPod(client, namespace, t.Pod.Cmd) | ||
|
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| tpod.SetupVolume(tpvc.persistentVolumeClaim, volume.VolumeMount.NameGenerate+"1", volume.VolumeMount.MountPathGenerate+"1", volume.VolumeMount.ReadOnly) | ||
|
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| By("deploying the pod") | ||
| tpod.Create() | ||
| By("checking that the pods is running") | ||
| tpod.WaitForSuccess() | ||
|
|
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| defer tpod.Cleanup() | ||
|
|
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| } | ||
|
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| // WaitForPvToResize waiting for pvc size to be resized to desired size | ||
| func WaitForPvToResize(c clientset.Interface, ns *v1.Namespace, pvName string, desiredSize resource.Quantity, timeout time.Duration, interval time.Duration) error { | ||
| By(fmt.Sprintf("Waiting up to %v for pv in namespace %q to be complete", timeout, ns.Name)) | ||
| for start := time.Now(); time.Since(start) < timeout; time.Sleep(interval) { | ||
| newPv, _ := c.CoreV1().PersistentVolumes().Get(pvName, metav1.GetOptions{}) | ||
| newPvSize := newPv.Spec.Capacity["storage"] | ||
| if desiredSize.Equal(newPvSize) { | ||
| By(fmt.Sprintf("Pv size is updated to %v", newPvSize.String())) | ||
| return nil | ||
| } | ||
| } | ||
| return fmt.Errorf("Gave up after waiting %v for pv %q to complete resizing", timeout, pvName) | ||
| } |
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