tests: Refactor agnhost image pod usage - common (part 2)

A previous commit added  a few agnhost related functions that creates agnhost
pods / containers for general purposes.

Refactors tests to use those functions.

test/e2e/common/configmap_volume.go

@@ -125,7 +125,6 @@ var _ = ginkgo.Describe("[sig-storage] ConfigMap", func() {
 		name := "configmap-test-upd-" + string(uuid.NewUUID())
 		volumeName := "configmap-volume"
 		volumeMountPath := "/etc/configmap-volume"
-		containerName := "configmap-volume-test"
 
 		configMap := &v1.ConfigMap{
 			ObjectMeta: metav1.ObjectMeta{
@@ -143,45 +142,14 @@ var _ = ginkgo.Describe("[sig-storage] ConfigMap", func() {
 			framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
 		}
 
-		pod := &v1.Pod{
-			ObjectMeta: metav1.ObjectMeta{
-				Name: "pod-configmaps-" + string(uuid.NewUUID()),
-			},
-			Spec: v1.PodSpec{
-				Volumes: []v1.Volume{
-					{
-						Name: volumeName,
-						VolumeSource: v1.VolumeSource{
-							ConfigMap: &v1.ConfigMapVolumeSource{
-								LocalObjectReference: v1.LocalObjectReference{
-									Name: name,
-								},
-							},
-						},
-					},
-				},
-				Containers: []v1.Container{
-					{
-						Name:  containerName,
-						Image: imageutils.GetE2EImage(imageutils.Agnhost),
-						Args:  []string{"mounttest", "--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/configmap-volume/data-1"},
-						VolumeMounts: []v1.VolumeMount{
-							{
-								Name:      volumeName,
-								MountPath: volumeMountPath,
-								ReadOnly:  true,
-							},
-						},
-					},
-				},
-				RestartPolicy: v1.RestartPolicyNever,
-			},
-		}
+		pod := createConfigMapVolumeMounttestPod(f.Namespace.Name, volumeName, name, volumeMountPath,
+			"--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/configmap-volume/data-1")
+
 		ginkgo.By("Creating the pod")
 		f.PodClient().CreateSync(pod)
 
 		pollLogs := func() (string, error) {
-			return e2epod.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, containerName)
+			return e2epod.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, pod.Spec.Containers[0].Name)
 		}
 
 		gomega.Eventually(pollLogs, podLogTimeout, framework.Poll).Should(gomega.ContainSubstring("value-1"))
@@ -208,8 +176,7 @@ var _ = ginkgo.Describe("[sig-storage] ConfigMap", func() {
 		name := "configmap-test-upd-" + string(uuid.NewUUID())
 		volumeName := "configmap-volume"
 		volumeMountPath := "/etc/configmap-volume"
-		containerName1 := "configmap-volume-data-test"
-		containerName2 := "configmap-volume-binary-test"
+		containerName := "configmap-volume-binary-test"
 
 		configMap := &v1.ConfigMap{
 			ObjectMeta: metav1.ObjectMeta{
@@ -230,38 +197,10 @@ var _ = ginkgo.Describe("[sig-storage] ConfigMap", func() {
 			framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
 		}
 
-		pod := &v1.Pod{
-			ObjectMeta: metav1.ObjectMeta{
-				Name: "pod-configmaps-" + string(uuid.NewUUID()),
-			},
-			Spec: v1.PodSpec{
-				Volumes: []v1.Volume{
-					{
-						Name: volumeName,
-						VolumeSource: v1.VolumeSource{
-							ConfigMap: &v1.ConfigMapVolumeSource{
-								LocalObjectReference: v1.LocalObjectReference{
-									Name: name,
-								},
-							},
-						},
-					},
-				},
-				Containers: []v1.Container{
-					{
-						Name:  containerName1,
-						Image: imageutils.GetE2EImage(imageutils.Agnhost),
-						Args:  []string{"mounttest", "--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/configmap-volume/data-1"},
-						VolumeMounts: []v1.VolumeMount{
-							{
-								Name:      volumeName,
-								MountPath: volumeMountPath,
-								ReadOnly:  true,
-							},
-						},
-					},
-					{
-						Name:    containerName2,
+		pod := createConfigMapVolumeMounttestPod(f.Namespace.Name, volumeName, name, volumeMountPath,
+			"--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/configmap-volume/data-1")
+		pod.Spec.Containers = append(pod.Spec.Containers, v1.Container{
+			Name:    containerName,
 			Image:   imageutils.GetE2EImage(imageutils.BusyBox),
 			Command: []string{"hexdump", "-C", "/etc/configmap-volume/dump.bin"},
 			VolumeMounts: []v1.VolumeMount{
@@ -271,19 +210,16 @@ var _ = ginkgo.Describe("[sig-storage] ConfigMap", func() {
 					ReadOnly:  true,
 				},
 			},
-					},
-				},
-				RestartPolicy: v1.RestartPolicyNever,
-			},
-		}
+		})
+
 		ginkgo.By("Creating the pod")
 		f.PodClient().CreateSync(pod)
 
 		pollLogs1 := func() (string, error) {
-			return e2epod.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, containerName1)
+			return e2epod.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, pod.Spec.Containers[0].Name)
 		}
 		pollLogs2 := func() (string, error) {
-			return e2epod.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, containerName2)
+			return e2epod.GetPodLogs(f.ClientSet, f.Namespace.Name, pod.Name, pod.Spec.Containers[1].Name)
 		}
 
 		ginkgo.By("Waiting for pod with text data")
@@ -603,9 +539,8 @@ var _ = ginkgo.Describe("[sig-storage] ConfigMap", func() {
 	// Slow (~5 mins)
 	ginkgo.It("Should fail non-optional pod creation due to configMap object does not exist [Slow]", func() {
 		volumeMountPath := "/etc/configmap-volumes"
-		podName := "pod-configmaps-" + string(uuid.NewUUID())
-		err := createNonOptionalConfigMapPod(f, volumeMountPath, podName)
-		framework.ExpectError(err, "created pod %q with non-optional configMap in namespace %q", podName, f.Namespace.Name)
+		pod, err := createNonOptionalConfigMapPod(f, volumeMountPath)
+		framework.ExpectError(err, "created pod %q with non-optional configMap in namespace %q", pod.Name, f.Namespace.Name)
 	})
 
 	// ConfigMap object defined for the pod, If a key is specified which is not present in the ConfigMap,
@@ -613,9 +548,8 @@ var _ = ginkgo.Describe("[sig-storage] ConfigMap", func() {
 	// Slow (~5 mins)
 	ginkgo.It("Should fail non-optional pod creation due to the key in the configMap object does not exist [Slow]", func() {
 		volumeMountPath := "/etc/configmap-volumes"
-		podName := "pod-configmaps-" + string(uuid.NewUUID())
-		err := createNonOptionalConfigMapPodWithConfig(f, volumeMountPath, podName)
-		framework.ExpectError(err, "created pod %q with non-optional configMap in namespace %q", podName, f.Namespace.Name)
+		pod, err := createNonOptionalConfigMapPodWithConfig(f, volumeMountPath)
+		framework.ExpectError(err, "created pod %q with non-optional configMap in namespace %q", pod.Name, f.Namespace.Name)
 	})
 })
 
@@ -649,45 +583,10 @@ func doConfigMapE2EWithoutMappings(f *framework.Framework, asUser bool, fsGroup
 		framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
 	}
 
+	pod := createConfigMapVolumeMounttestPod(f.Namespace.Name, volumeName, name, volumeMountPath,
+		"--file_content=/etc/configmap-volume/data-1", "--file_mode=/etc/configmap-volume/data-1")
 	one := int64(1)
-	pod := &v1.Pod{
-		ObjectMeta: metav1.ObjectMeta{
-			Name: "pod-configmaps-" + string(uuid.NewUUID()),
-		},
-		Spec: v1.PodSpec{
-			SecurityContext: &v1.PodSecurityContext{},
-			Volumes: []v1.Volume{
-				{
-					Name: volumeName,
-					VolumeSource: v1.VolumeSource{
-						ConfigMap: &v1.ConfigMapVolumeSource{
-							LocalObjectReference: v1.LocalObjectReference{
-								Name: name,
-							},
-						},
-					},
-				},
-			},
-			Containers: []v1.Container{
-				{
-					Name:  "configmap-volume-test",
-					Image: imageutils.GetE2EImage(imageutils.Agnhost),
-					Args: []string{
-						"mounttest",
-						"--file_content=/etc/configmap-volume/data-1",
-						"--file_mode=/etc/configmap-volume/data-1"},
-					VolumeMounts: []v1.VolumeMount{
-						{
-							Name:      volumeName,
-							MountPath: volumeMountPath,
-						},
-					},
-				},
-			},
-			RestartPolicy:                 v1.RestartPolicyNever,
-			TerminationGracePeriodSeconds: &one,
-		},
-	}
+	pod.Spec.TerminationGracePeriodSeconds = &one
 
 	if asUser {
 		setPodNonRootUser(pod)
@@ -726,51 +625,15 @@ func doConfigMapE2EWithMappings(f *framework.Framework, asUser bool, fsGroup int
 		framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
 	}
 
+	pod := createConfigMapVolumeMounttestPod(f.Namespace.Name, volumeName, name, volumeMountPath,
+		"--file_content=/etc/configmap-volume/path/to/data-2", "--file_mode=/etc/configmap-volume/path/to/data-2")
 	one := int64(1)
-	pod := &v1.Pod{
-		ObjectMeta: metav1.ObjectMeta{
-			Name: "pod-configmaps-" + string(uuid.NewUUID()),
-		},
-		Spec: v1.PodSpec{
-			SecurityContext: &v1.PodSecurityContext{},
-			Volumes: []v1.Volume{
-				{
-					Name: volumeName,
-					VolumeSource: v1.VolumeSource{
-						ConfigMap: &v1.ConfigMapVolumeSource{
-							LocalObjectReference: v1.LocalObjectReference{
-								Name: name,
-							},
-							Items: []v1.KeyToPath{
+	pod.Spec.TerminationGracePeriodSeconds = &one
+	pod.Spec.Volumes[0].VolumeSource.ConfigMap.Items = []v1.KeyToPath{
 		{
 			Key:  "data-2",
 			Path: "path/to/data-2",
 		},
-							},
-						},
-					},
-				},
-			},
-			Containers: []v1.Container{
-				{
-					Name:  "configmap-volume-test",
-					Image: imageutils.GetE2EImage(imageutils.Agnhost),
-					Args: []string{
-						"mounttest",
-						"--file_content=/etc/configmap-volume/path/to/data-2",
-						"--file_mode=/etc/configmap-volume/path/to/data-2"},
-					VolumeMounts: []v1.VolumeMount{
-						{
-							Name:      volumeName,
-							MountPath: volumeMountPath,
-							ReadOnly:  true,
-						},
-					},
-				},
-			},
-			RestartPolicy:                 v1.RestartPolicyNever,
-			TerminationGracePeriodSeconds: &one,
-		},
 	}
 
 	if asUser {
@@ -797,63 +660,30 @@ func doConfigMapE2EWithMappings(f *framework.Framework, asUser bool, fsGroup int
 	f.TestContainerOutputRegexp("consume configMaps", pod, 0, output)
 }
 
-func createNonOptionalConfigMapPod(f *framework.Framework, volumeMountPath, podName string) error {
+func createNonOptionalConfigMapPod(f *framework.Framework, volumeMountPath string) (*v1.Pod, error) {
 	podLogTimeout := e2epod.GetPodSecretUpdateTimeout(f.ClientSet)
 	containerTimeoutArg := fmt.Sprintf("--retry_time=%v", int(podLogTimeout.Seconds()))
 	falseValue := false
 
 	createName := "cm-test-opt-create-" + string(uuid.NewUUID())
-	createContainerName := "createcm-volume-test"
 	createVolumeName := "createcm-volume"
 
 	// creating a pod without configMap object created, by mentioning the configMap volume source's local reference name
-	pod := &v1.Pod{
-		ObjectMeta: metav1.ObjectMeta{
-			Name: podName,
-		},
-		Spec: v1.PodSpec{
-			Volumes: []v1.Volume{
-				{
-					Name: createVolumeName,
-					VolumeSource: v1.VolumeSource{
-						ConfigMap: &v1.ConfigMapVolumeSource{
-							LocalObjectReference: v1.LocalObjectReference{
-								Name: createName,
-							},
-							Optional: &falseValue,
-						},
-					},
-				},
-			},
-			Containers: []v1.Container{
-				{
-					Name:  createContainerName,
-					Image: imageutils.GetE2EImage(imageutils.Agnhost),
-					Args:  []string{"mounttest", "--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/configmap-volumes/create/data-1"},
-					VolumeMounts: []v1.VolumeMount{
-						{
-							Name:      createVolumeName,
-							MountPath: path.Join(volumeMountPath, "create"),
-							ReadOnly:  true,
-						},
-					},
-				},
-			},
-			RestartPolicy: v1.RestartPolicyNever,
-		},
-	}
+	pod := createConfigMapVolumeMounttestPod(f.Namespace.Name, createVolumeName, createName, path.Join(volumeMountPath, "create"),
+		"--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/configmap-volumes/create/data-1")
+	pod.Spec.Volumes[0].VolumeSource.ConfigMap.Optional = &falseValue
+
 	ginkgo.By("Creating the pod")
 	pod = f.PodClient().Create(pod)
-	return e2epod.WaitForPodNameRunningInNamespace(f.ClientSet, pod.Name, f.Namespace.Name)
+	return pod, e2epod.WaitForPodNameRunningInNamespace(f.ClientSet, pod.Name, f.Namespace.Name)
 }
 
-func createNonOptionalConfigMapPodWithConfig(f *framework.Framework, volumeMountPath, podName string) error {
+func createNonOptionalConfigMapPodWithConfig(f *framework.Framework, volumeMountPath string) (*v1.Pod, error) {
 	podLogTimeout := e2epod.GetPodSecretUpdateTimeout(f.ClientSet)
 	containerTimeoutArg := fmt.Sprintf("--retry_time=%v", int(podLogTimeout.Seconds()))
 	falseValue := false
 
 	createName := "cm-test-opt-create-" + string(uuid.NewUUID())
-	createContainerName := "createcm-volume-test"
 	createVolumeName := "createcm-volume"
 	configMap := newConfigMap(f, createName)
 
@@ -863,48 +693,37 @@ func createNonOptionalConfigMapPodWithConfig(f *framework.Framework, volumeMount
 		framework.Failf("unable to create test configMap %s: %v", configMap.Name, err)
 	}
 	// creating a pod with configMap object, but with different key which is not present in configMap object.
-	pod := &v1.Pod{
-		ObjectMeta: metav1.ObjectMeta{
-			Name: podName,
-		},
-		Spec: v1.PodSpec{
-			Volumes: []v1.Volume{
-				{
-					Name: createVolumeName,
-					VolumeSource: v1.VolumeSource{
-						ConfigMap: &v1.ConfigMapVolumeSource{
-							LocalObjectReference: v1.LocalObjectReference{
-								Name: createName,
-							},
-							Items: []v1.KeyToPath{
+	pod := createConfigMapVolumeMounttestPod(f.Namespace.Name, createVolumeName, createName, path.Join(volumeMountPath, "create"),
+		"--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/configmap-volumes/create/data-1")
+	pod.Spec.Volumes[0].VolumeSource.ConfigMap.Optional = &falseValue
+	pod.Spec.Volumes[0].VolumeSource.ConfigMap.Items = []v1.KeyToPath{
 		{
 			Key:  "data-4",
 			Path: "path/to/data-4",
 		},
-							},
-							Optional: &falseValue,
-						},
-					},
-				},
-			},
-			Containers: []v1.Container{
-				{
-					Name:  createContainerName,
-					Image: imageutils.GetE2EImage(imageutils.Agnhost),
-					Args:  []string{"mounttest", "--break_on_expected_content=false", containerTimeoutArg, "--file_content_in_loop=/etc/configmap-volumes/create/data-1"},
-					VolumeMounts: []v1.VolumeMount{
-						{
-							Name:      createVolumeName,
-							MountPath: path.Join(volumeMountPath, "create"),
-							ReadOnly:  true,
-						},
-					},
-				},
-			},
-			RestartPolicy: v1.RestartPolicyNever,
-		},
 	}
+
 	ginkgo.By("Creating the pod")
 	pod = f.PodClient().Create(pod)
-	return e2epod.WaitForPodNameRunningInNamespace(f.ClientSet, pod.Name, f.Namespace.Name)
+	return pod, e2epod.WaitForPodNameRunningInNamespace(f.ClientSet, pod.Name, f.Namespace.Name)
+}
+
+func createConfigMapVolumeMounttestPod(namespace, volumeName, referenceName, mountPath string, mounttestArgs ...string) *v1.Pod {
+	volumes := []v1.Volume{
+		{
+			Name: volumeName,
+			VolumeSource: v1.VolumeSource{
+				ConfigMap: &v1.ConfigMapVolumeSource{
+					LocalObjectReference: v1.LocalObjectReference{
+						Name: referenceName,
+					},
+				},
+			},
+		},
+	}
+	podName := "pod-configmaps-" + string(uuid.NewUUID())
+	mounttestArgs = append([]string{"mounttest"}, mounttestArgs...)
+	pod := e2epod.NewAgnhostPod(namespace, podName, volumes, createMounts(volumeName, mountPath, true), nil, mounttestArgs...)
+	pod.Spec.RestartPolicy = v1.RestartPolicyNever
+	return pod
 }

test/e2e/common/container_probe.go

@@ -157,7 +157,7 @@ var _ = framework.KubeDescribe("Probing container", func() {
 			InitialDelaySeconds: 15,
 			FailureThreshold:    1,
 		}
-		pod := livenessPodSpec(nil, livenessProbe)
+		pod := livenessPodSpec(f.Namespace.Name, nil, livenessProbe)
 		RunLivenessTest(f, pod, 1, defaultObservationTimeout)
 	})
 
@@ -172,7 +172,7 @@ var _ = framework.KubeDescribe("Probing container", func() {
 			InitialDelaySeconds: 15,
 			FailureThreshold:    1,
 		}
-		pod := livenessPodSpec(nil, livenessProbe)
+		pod := livenessPodSpec(f.Namespace.Name, nil, livenessProbe)
 		RunLivenessTest(f, pod, 0, defaultObservationTimeout)
 	})
 
@@ -187,7 +187,7 @@ var _ = framework.KubeDescribe("Probing container", func() {
 			InitialDelaySeconds: 5,
 			FailureThreshold:    1,
 		}
-		pod := livenessPodSpec(nil, livenessProbe)
+		pod := livenessPodSpec(f.Namespace.Name, nil, livenessProbe)
 		RunLivenessTest(f, pod, 5, time.Minute*5)
 	})
 
@@ -237,7 +237,7 @@ var _ = framework.KubeDescribe("Probing container", func() {
 			InitialDelaySeconds: 15,
 			FailureThreshold:    1,
 		}
-		pod := livenessPodSpec(nil, livenessProbe)
+		pod := livenessPodSpec(f.Namespace.Name, nil, livenessProbe)
 		RunLivenessTest(f, pod, 1, defaultObservationTimeout)
 	})
 
@@ -252,7 +252,7 @@ var _ = framework.KubeDescribe("Probing container", func() {
 			InitialDelaySeconds: 15,
 			FailureThreshold:    1,
 		}
-		pod := livenessPodSpec(nil, livenessProbe)
+		pod := livenessPodSpec(f.Namespace.Name, nil, livenessProbe)
 		RunLivenessTest(f, pod, 0, defaultObservationTimeout)
 		// Expect an event of type "ProbeWarning".
 		expectedEvent := fields.Set{
@@ -472,24 +472,12 @@ func busyBoxPodSpec(readinessProbe, livenessProbe *v1.Probe, cmd []string) *v1.P
 	}
 }
 
-func livenessPodSpec(readinessProbe, livenessProbe *v1.Probe) *v1.Pod {
-	return &v1.Pod{
-		ObjectMeta: metav1.ObjectMeta{
-			Name:   "liveness-" + string(uuid.NewUUID()),
-			Labels: map[string]string{"test": "liveness"},
-		},
-		Spec: v1.PodSpec{
-			Containers: []v1.Container{
-				{
-					Name:           "liveness",
-					Image:          imageutils.GetE2EImage(imageutils.Agnhost),
-					Args:           []string{"liveness"},
-					LivenessProbe:  livenessProbe,
-					ReadinessProbe: readinessProbe,
-				},
-			},
-		},
-	}
+func livenessPodSpec(namespace string, readinessProbe, livenessProbe *v1.Probe) *v1.Pod {
+	pod := e2epod.NewAgnhostPod(namespace, "liveness-"+string(uuid.NewUUID()), nil, nil, nil, "liveness")
+	pod.ObjectMeta.Labels = map[string]string{"test": "liveness"}
+	pod.Spec.Containers[0].LivenessProbe = livenessProbe
+	pod.Spec.Containers[0].ReadinessProbe = readinessProbe
+	return pod
 }
 
 func startupPodSpec(startupProbe, readinessProbe, livenessProbe *v1.Probe, cmd []string) *v1.Pod {

test/e2e/common/projected_configmap.go

@@ -459,9 +459,8 @@ var _ = ginkgo.Describe("[sig-storage] Projected configMap", func() {
 	//Slow (~5 mins)
 	ginkgo.It("Should fail non-optional pod creation due to configMap object does not exist [Slow]", func() {
 		volumeMountPath := "/etc/projected-configmap-volumes"
-		podName := "pod-projected-configmaps-" + string(uuid.NewUUID())
-		err := createNonOptionalConfigMapPod(f, volumeMountPath, podName)
-		framework.ExpectError(err, "created pod %q with non-optional configMap in namespace %q", podName, f.Namespace.Name)
+		pod, err := createNonOptionalConfigMapPod(f, volumeMountPath)
+		framework.ExpectError(err, "created pod %q with non-optional configMap in namespace %q", pod.Name, f.Namespace.Name)
 	})
 
 	//ConfigMap object defined for the pod, If a key is specified which is not present in the ConfigMap,
@@ -469,9 +468,8 @@ var _ = ginkgo.Describe("[sig-storage] Projected configMap", func() {
 	//Slow (~5 mins)
 	ginkgo.It("Should fail non-optional pod creation due to the key in the configMap object does not exist [Slow]", func() {
 		volumeMountPath := "/etc/configmap-volumes"
-		podName := "pod-configmaps-" + string(uuid.NewUUID())
-		err := createNonOptionalConfigMapPodWithConfig(f, volumeMountPath, podName)
-		framework.ExpectError(err, "created pod %q with non-optional configMap in namespace %q", podName, f.Namespace.Name)
+		pod, err := createNonOptionalConfigMapPodWithConfig(f, volumeMountPath)
+		framework.ExpectError(err, "created pod %q with non-optional configMap in namespace %q", pod.Name, f.Namespace.Name)
 	})
 })