Merge pull request #59 from ZeroMagic/dynamically_provisioned_delete_pod

test: add e2e test "dynamically_provisioned_delete_pod_test"

Author: andyzhangx

test/e2e/dynamic_provisioning.go

@@ -74,6 +74,31 @@ var _ = Describe("Dynamic Provisioning", func() {
 		test.Run(cs, ns)
 	})
 
+	It("should create a deployment object, write and read to it, delete the pod and write and read to it again", func() {
+		pod := testsuites.PodDetails{
+			Cmd: "echo 'hello world' >> /mnt/test-1/data && while true; do sleep 1; done",
+			Volumes: []testsuites.VolumeDetails{
+				{
+					FSType:    "ext3",
+					ClaimSize: "10Gi",
+					VolumeMount: testsuites.VolumeMountDetails{
+						NameGenerate:      "test-volume-",
+						MountPathGenerate: "/mnt/test-",
+					},
+				},
+			},
+		}
+		test := testsuites.DynamicallyProvisionedDeletePodTest{
+			CSIDriver: testDriver,
+			Pod:       pod,
+			PodCheck: &testsuites.PodExecCheck{
+				Cmd:            []string{"cat", "/mnt/test-1/data"},
+				ExpectedString: "hello world\nhello world\n", // pod will be restarted so expect to see 2 instances of string
+			},
+		}
+		test.Run(cs, ns)
+	})
+
 	// Track issue https://github.com/kubernetes/kubernetes/issues/70505
 	It("should create a volume on demand and mount it as readOnly in a pod", func() {
 		pods := []testsuites.PodDetails{

test/e2e/testsuites/dynamically_provisioned_delete_pod_tester.go

@@ -0,0 +1,63 @@
+/*
+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 (
+	"github.com/csi-driver/blobfuse-csi-driver/test/e2e/driver"
+	. "github.com/onsi/ginkgo"
+	"k8s.io/api/core/v1"
+	clientset "k8s.io/client-go/kubernetes"
+)
+
+// DynamicallyProvisionedDeletePodTest will provision required StorageClass and Deployment
+// Testing if the Pod can write and read to mounted volumes
+// Deleting a pod, and again testing if the Pod can write and read to mounted volumes
+type DynamicallyProvisionedDeletePodTest struct {
+	CSIDriver driver.DynamicPVTestDriver
+	Pod       PodDetails
+	PodCheck  *PodExecCheck
+}
+
+type PodExecCheck struct {
+	Cmd            []string
+	ExpectedString string
+}
+
+func (t *DynamicallyProvisionedDeletePodTest) Run(client clientset.Interface, namespace *v1.Namespace) {
+	tDeployment, cleanup := t.Pod.SetupDeployment(client, namespace, t.CSIDriver)
+	// defer must be called here for resources not get removed before using them
+	for i := range cleanup {
+		defer cleanup[i]()
+	}
+
+	By("deploying the deployment")
+	tDeployment.Create()
+
+	By("checking that the pod is running")
+	tDeployment.WaitForPodReady()
+
+	By("deleting the pod for deployment")
+	tDeployment.DeletePodAndWait()
+
+	By("checking again that the pod is running")
+	tDeployment.WaitForPodReady()
+
+	if t.PodCheck != nil {
+		By("checking pod exec")
+		tDeployment.Exec(t.PodCheck.Cmd, t.PodCheck.ExpectedString)
+	}
+}