Merge pull request #28704 from dims/fix-issue-11747

test/e2e/kubectl.go

@@ -1040,6 +1040,54 @@ var _ = framework.KubeDescribe("Kubectl client", func() {
 		})
 	})
 
+	framework.KubeDescribe("Kubectl replace", func() {
+		var nsFlag string
+		var podName string
+
+		BeforeEach(func() {
+			nsFlag = fmt.Sprintf("--namespace=%v", ns)
+			podName = "e2e-test-nginx-pod"
+		})
+
+		AfterEach(func() {
+			framework.RunKubectlOrDie("delete", "pods", podName, nsFlag)
+		})
+
+		It("should update a single-container pod's image [Conformance]", func() {
+			framework.SkipUnlessServerVersionGTE(jobsVersion, c)
+
+			By("running the image " + nginxImage)
+			framework.RunKubectlOrDie("run", podName, "--generator=run-pod/v1", "--image="+nginxImage, "--labels=run="+podName, nsFlag)
+
+			By("verifying the pod " + podName + " is running")
+			label := labels.SelectorFromSet(labels.Set(map[string]string{"run": podName}))
+			err := framework.WaitForPodsWithLabelRunning(c, ns, label)
+			if err != nil {
+				framework.Failf("Failed getting pod %s: %v", podName, err)
+			}
+
+			By("verifying the pod " + podName + " was created")
+			podJson := framework.RunKubectlOrDie("get", "pod", podName, nsFlag, "-o", "json")
+			if !strings.Contains(podJson, podName) {
+				framework.Failf("Failed to find pod %s in [%s]", podName, podJson)
+			}
+
+			By("replace the image in the pod")
+			podJson = strings.Replace(podJson, nginxImage, busyboxImage, 1)
+			framework.RunKubectlOrDieInput(podJson, "replace", "-f", "-", nsFlag)
+
+			By("verifying the pod " + podName + " has the right image " + busyboxImage)
+			pod, err := c.Pods(ns).Get(podName)
+			if err != nil {
+				framework.Failf("Failed getting deployment %s: %v", podName, err)
+			}
+			containers := pod.Spec.Containers
+			if containers == nil || len(containers) != 1 || containers[0].Image != busyboxImage {
+				framework.Failf("Failed creating pod with expected image %s", busyboxImage)
+			}
+		})
+	})
+
 	framework.KubeDescribe("Kubectl run --rm job", func() {
 		nsFlag := fmt.Sprintf("--namespace=%v", ns)
 		jobName := "e2e-test-rm-busybox-job"