added new conforamnce test under NodeConformance verifying InitContainer PodSpec…

test/conformance/testdata/conformance.txt

@@ -82,6 +82,10 @@ test/e2e/common/expansion.go: "should allow composing env vars into new env vars
 test/e2e/common/expansion.go: "should allow substituting values in a container's command"
 test/e2e/common/expansion.go: "should allow substituting values in a container's args"
 test/e2e/common/host_path.go: "should give a volume the correct mode"
+test/e2e/common/init_container.go: "should invoke init containers on a RestartNever pod"
+test/e2e/common/init_container.go: "should invoke init containers on a RestartAlways pod"
+test/e2e/common/init_container.go: "should not start app containers if init containers fail on a RestartAlways pod"
+test/e2e/common/init_container.go: "should not start app containers and fail the pod if init containers fail on a RestartNever pod"
 test/e2e/common/kubelet_etc_hosts.go: "should test kubelet managed /etc/hosts file"
 test/e2e/common/networking.go: "should function for intra-pod communication: http"
 test/e2e/common/networking.go: "should function for intra-pod communication: udp"

test/e2e/common/init_container.go

@@ -42,7 +42,15 @@ var _ = framework.KubeDescribe("InitContainer [NodeConformance]", func() {
 		podClient = f.PodClient()
 	})
 
-	It("should invoke init containers on a RestartNever pod", func() {
+	/*
+		Release: v1.12
+		Testname: init-container-starts-app-restartnever-pod
+		Description: Ensure that all InitContainers are started
+		and all containers in pod are voluntarily terminated with exit status 0,
+		and the system is not going to restart any of these containers
+		when Pod has restart policy as RestartNever.
+	*/
+	framework.ConformanceIt("should invoke init containers on a RestartNever pod", func() {
 		By("creating the pod")
 		name := "pod-init-" + string(uuid.NewUUID())
 		value := strconv.Itoa(time.Now().Nanosecond())
@@ -99,7 +107,15 @@ var _ = framework.KubeDescribe("InitContainer [NodeConformance]", func() {
 		}
 	})
 
-	It("should invoke init containers on a RestartAlways pod", func() {
+	/*
+		Release: v1.12
+		Testname: init-container-starts-app-restartalways-pod
+		Description: Ensure that all InitContainers are started
+		and all containers in pod started
+		and at least one container is still running or is in the process of being restarted
+		when Pod has restart policy as RestartAlways.
+	*/
+	framework.ConformanceIt("should invoke init containers on a RestartAlways pod", func() {
 		By("creating the pod")
 		name := "pod-init-" + string(uuid.NewUUID())
 		value := strconv.Itoa(time.Now().Nanosecond())
@@ -160,7 +176,15 @@ var _ = framework.KubeDescribe("InitContainer [NodeConformance]", func() {
 		}
 	})
 
-	It("should not start app containers if init containers fail on a RestartAlways pod", func() {
+	/*
+		Release: v1.12
+		Testname: init-container-fails-stops-app-restartalways-pod
+		Description: Ensure that app container is not started
+		when all InitContainers failed to start
+		and Pod has restarted for few occurrences
+		and pod has restart policy as RestartAlways.
+	*/
+	framework.ConformanceIt("should not start app containers if init containers fail on a RestartAlways pod", func() {
 		By("creating the pod")
 		name := "pod-init-" + string(uuid.NewUUID())
 		value := strconv.Itoa(time.Now().Nanosecond())
@@ -268,7 +292,13 @@ var _ = framework.KubeDescribe("InitContainer [NodeConformance]", func() {
 		Expect(len(endPod.Status.InitContainerStatuses)).To(Equal(2))
 	})
 
-	It("should not start app containers and fail the pod if init containers fail on a RestartNever pod", func() {
+	/*
+		Release: v1.12
+		Testname: init-container-fails-stops-app-restartnever-pod
+		Description: Ensure that app container is not started
+		when atleast one InitContainer fails to start and Pod has restart policy as RestartNever.
+	*/
+	framework.ConformanceIt("should not start app containers and fail the pod if init containers fail on a RestartNever pod", func() {
 		By("creating the pod")
 		name := "pod-init-" + string(uuid.NewUUID())
 		value := strconv.Itoa(time.Now().Nanosecond())