func TestCanSupport(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("vsphereVolumeTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil, "" /* rootContext */))

	plug, err := plugMgr.FindPluginByName("kubernetes.io/vsphere-volume")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	if plug.GetPluginName() != "kubernetes.io/vsphere-volume" {
		t.Errorf("Wrong name: %s", plug.GetPluginName())
	}

	if !plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{VsphereVolume: &api.VsphereVirtualDiskVolumeSource{}}}}) {
		t.Errorf("Expected true")
	}

	if !plug.CanSupport(&volume.Spec{PersistentVolume: &api.PersistentVolume{Spec: api.PersistentVolumeSpec{PersistentVolumeSource: api.PersistentVolumeSource{VsphereVolume: &api.VsphereVirtualDiskVolumeSource{}}}}}) {
		t.Errorf("Expected true")
	}
}
func TestPluginBackCompat(t *testing.T) {
	basePath, err := utiltesting.MkTmpdir("emptydirTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(basePath)

	plug := makePluginUnderTest(t, "kubernetes.io/empty-dir", basePath, "" /* rootContext */)

	spec := &api.Volume{
		Name: "vol1",
	}
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
	mounter, err := plug.NewMounter(volume.NewSpecFromVolume(spec), pod, volume.VolumeOptions{})
	if err != nil {
		t.Errorf("Failed to make a new Mounter: %v", err)
	}
	if mounter == nil {
		t.Errorf("Got a nil Mounter")
	}

	volPath := mounter.GetPath()
	if volPath != path.Join(basePath, "pods/poduid/volumes/kubernetes.io~empty-dir/vol1") {
		t.Errorf("Got unexpected path: %s", volPath)
	}
}
Example #3
0
func TestMounterAndUnmounterTypeAssert(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("awsebsTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil, "" /* rootContext */))

	plug, err := plugMgr.FindPluginByName("kubernetes.io/aws-ebs")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	spec := &api.Volume{
		Name: "vol1",
		VolumeSource: api.VolumeSource{
			AWSElasticBlockStore: &api.AWSElasticBlockStoreVolumeSource{
				VolumeID: "pd",
				FSType:   "ext4",
			},
		},
	}

	mounter, err := plug.(*awsElasticBlockStorePlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), &fakePDManager{}, &mount.FakeMounter{})
	if _, ok := mounter.(volume.Unmounter); ok {
		t.Errorf("Volume Mounter can be type-assert to Unmounter")
	}

	unmounter, err := plug.(*awsElasticBlockStorePlugin).newUnmounterInternal("vol1", types.UID("poduid"), &fakePDManager{}, &mount.FakeMounter{})
	if _, ok := unmounter.(volume.Mounter); ok {
		t.Errorf("Volume Unmounter can be type-assert to Mounter")
	}
}
Example #4
0
func TestPersistentClaimReadOnlyFlag(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("iscsi_test")
	if err != nil {
		t.Fatalf("error creating temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)

	pv := &api.PersistentVolume{
		ObjectMeta: api.ObjectMeta{
			Name: "pvA",
		},
		Spec: api.PersistentVolumeSpec{
			PersistentVolumeSource: api.PersistentVolumeSource{
				ISCSI: &api.ISCSIVolumeSource{
					TargetPortal: "127.0.0.1:3260",
					IQN:          "iqn.2014-12.server:storage.target01",
					FSType:       "ext4",
					Lun:          0,
				},
			},
			ClaimRef: &api.ObjectReference{
				Name: "claimA",
			},
		},
	}

	claim := &api.PersistentVolumeClaim{
		ObjectMeta: api.ObjectMeta{
			Name:      "claimA",
			Namespace: "nsA",
		},
		Spec: api.PersistentVolumeClaimSpec{
			VolumeName: "pvA",
		},
		Status: api.PersistentVolumeClaimStatus{
			Phase: api.ClaimBound,
		},
	}

	client := fake.NewSimpleClientset(pv, claim)

	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, client, nil, "" /* rootContext */))
	plug, _ := plugMgr.FindPluginByName(iscsiPluginName)

	// readOnly bool is supplied by persistent-claim volume source when its mounter creates other volumes
	spec := volume.NewSpecFromPersistentVolume(pv, true)
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
	mounter, _ := plug.NewMounter(spec, pod, volume.VolumeOptions{})

	if !mounter.GetAttributes().ReadOnly {
		t.Errorf("Expected true for mounter.IsReadOnly")
	}
}
Example #5
0
func TestPersistentClaimReadOnlyFlag(t *testing.T) {
	pv := &api.PersistentVolume{
		ObjectMeta: api.ObjectMeta{
			Name: "pvA",
		},
		Spec: api.PersistentVolumeSpec{
			PersistentVolumeSource: api.PersistentVolumeSource{
				GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{},
			},
			ClaimRef: &api.ObjectReference{
				Name: "claimA",
			},
		},
	}

	claim := &api.PersistentVolumeClaim{
		ObjectMeta: api.ObjectMeta{
			Name:      "claimA",
			Namespace: "nsA",
		},
		Spec: api.PersistentVolumeClaimSpec{
			VolumeName: "pvA",
		},
		Status: api.PersistentVolumeClaimStatus{
			Phase: api.ClaimBound,
		},
	}

	client := fake.NewSimpleClientset(pv, claim)

	tmpDir, err := utiltesting.MkTmpdir("gcepdTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, client, nil, "" /* rootContext */))
	plug, _ := plugMgr.FindPluginByName(gcePersistentDiskPluginName)

	// readOnly bool is supplied by persistent-claim volume source when its mounter creates other volumes
	spec := volume.NewSpecFromPersistentVolume(pv, true)
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
	mounter, _ := plug.NewMounter(spec, pod, volume.VolumeOptions{})

	if !mounter.GetAttributes().ReadOnly {
		t.Errorf("Expected true for mounter.IsReadOnly")
	}
}
Example #6
0
// FindEmptyDirectoryUsageOnTmpfs finds the expected usage of an empty directory existing on
// a tmpfs filesystem on this system.
func FindEmptyDirectoryUsageOnTmpfs() (*resource.Quantity, error) {
	tmpDir, err := utiltesting.MkTmpdir("metrics_du_test")
	if err != nil {
		return nil, err
	}
	out, err := exec.Command("nice", "-n", "19", "du", "-s", "-B", "1", tmpDir).CombinedOutput()
	if err != nil {
		return nil, fmt.Errorf("failed command 'du' on %s with error %v", tmpDir, err)
	}
	used, err := resource.ParseQuantity(strings.Fields(string(out))[0])
	if err != nil {
		return nil, fmt.Errorf("failed to parse 'du' output %s due to error %v", out, err)
	}
	used.Format = resource.BinarySI
	return &used, nil
}
Example #7
0
func TestGetAccessModes(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("gcepdTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil, "" /* rootContext */))

	plug, err := plugMgr.FindPersistentPluginByName("kubernetes.io/gce-pd")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	if !contains(plug.GetAccessModes(), api.ReadWriteOnce) || !contains(plug.GetAccessModes(), api.ReadOnlyMany) {
		t.Errorf("Expected two AccessModeTypes:  %s and %s", api.ReadWriteOnce, api.ReadOnlyMany)
	}
}
func TestCanSupport(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("emptydirTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	plug := makePluginUnderTest(t, "kubernetes.io/empty-dir", tmpDir, "" /* rootContext */)

	if plug.GetPluginName() != "kubernetes.io/empty-dir" {
		t.Errorf("Wrong name: %s", plug.GetPluginName())
	}
	if !plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{EmptyDir: &api.EmptyDirVolumeSource{}}}}) {
		t.Errorf("Expected true")
	}
	if plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{}}}) {
		t.Errorf("Expected false")
	}
}
// TestMetrics tests that MetricProvider methods return sane values.
func TestMetrics(t *testing.T) {
	// Create an empty temp directory for the volume
	tmpDir, err := utiltesting.MkTmpdir("empty_dir_test")
	if err != nil {
		t.Fatalf("Can't make a tmp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)

	plug := makePluginUnderTest(t, "kubernetes.io/empty-dir", tmpDir, "" /* rootContext */)

	spec := &api.Volume{
		Name: "vol1",
	}
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
	mounter, err := plug.NewMounter(volume.NewSpecFromVolume(spec), pod, volume.VolumeOptions{})
	if err != nil {
		t.Errorf("Failed to make a new Mounter: %v", err)
	}

	// Need to create the subdirectory
	os.MkdirAll(mounter.GetPath(), 0755)

	expectedEmptyDirUsage, err := volumetest.FindEmptyDirectoryUsageOnTmpfs()
	if err != nil {
		t.Errorf("Unexpected error finding expected empty directory usage on tmpfs: %v", err)
	}

	// TODO(pwittroc): Move this into a reusable testing utility
	metrics, err := mounter.GetMetrics()
	if err != nil {
		t.Errorf("Unexpected error when calling GetMetrics %v", err)
	}
	if e, a := expectedEmptyDirUsage.Value(), metrics.Used.Value(); e != a {
		t.Errorf("Unexpected value for empty directory; expected %v, got %v", e, a)
	}
	if metrics.Capacity.Value() <= 0 {
		t.Errorf("Expected Capacity to be greater than 0")
	}
	if metrics.Available.Value() <= 0 {
		t.Errorf("Expected Available to be greater than 0")
	}
}
Example #10
0
func TestCanSupport(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("iscsi_test")
	if err != nil {
		t.Fatalf("error creating temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)

	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil, "" /* rootContext */))

	plug, err := plugMgr.FindPluginByName("kubernetes.io/iscsi")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	if plug.GetPluginName() != "kubernetes.io/iscsi" {
		t.Errorf("Wrong name: %s", plug.GetPluginName())
	}
	if plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{}}}) {
		t.Errorf("Expected false")
	}
}
// doTestPlugin sets up a volume and tears it back down.
func doTestPlugin(t *testing.T, config pluginTestConfig) {
	basePath, err := utiltesting.MkTmpdir("emptydir_volume_test")
	if err != nil {
		t.Fatalf("can't make a temp rootdir: %v", err)
	}
	defer os.RemoveAll(basePath)

	var (
		volumePath  = path.Join(basePath, "pods/poduid/volumes/kubernetes.io~empty-dir/test-volume")
		metadataDir = path.Join(basePath, "pods/poduid/plugins/kubernetes.io~empty-dir/test-volume")

		plug       = makePluginUnderTest(t, "kubernetes.io/empty-dir", basePath, config.rootContext)
		volumeName = "test-volume"
		spec       = &api.Volume{
			Name:         volumeName,
			VolumeSource: api.VolumeSource{EmptyDir: &api.EmptyDirVolumeSource{Medium: config.medium}},
		}

		physicalMounter = mount.FakeMounter{}
		mountDetector   = fakeMountDetector{}
		pod             = &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
	)

	// Set up the SELinux options on the pod
	if config.SELinuxOptions != nil {
		pod.Spec = api.PodSpec{
			Containers: []api.Container{
				{
					SecurityContext: &api.SecurityContext{
						SELinuxOptions: config.SELinuxOptions,
					},
					VolumeMounts: []api.VolumeMount{
						{
							Name: volumeName,
						},
					},
				},
			},
		}
	}

	if config.idempotent {
		physicalMounter.MountPoints = []mount.MountPoint{
			{
				Path: volumePath,
			},
		}
		util.SetReady(metadataDir)
	}

	mounter, err := plug.(*emptyDirPlugin).newMounterInternal(volume.NewSpecFromVolume(spec),
		pod,
		&physicalMounter,
		&mountDetector,
		volume.VolumeOptions{})
	if err != nil {
		t.Errorf("Failed to make a new Mounter: %v", err)
	}
	if mounter == nil {
		t.Errorf("Got a nil Mounter")
	}

	volPath := mounter.GetPath()
	if volPath != volumePath {
		t.Errorf("Got unexpected path: %s", volPath)
	}

	if err := mounter.SetUp(nil); err != nil {
		t.Errorf("Expected success, got: %v", err)
	}

	// Stat the directory and check the permission bits
	fileinfo, err := os.Stat(volPath)
	if !config.idempotent {
		if err != nil {
			if os.IsNotExist(err) {
				t.Errorf("SetUp() failed, volume path not created: %s", volPath)
			} else {
				t.Errorf("SetUp() failed: %v", err)
			}
		}
		if e, a := perm, fileinfo.Mode().Perm(); e != a {
			t.Errorf("Unexpected file mode for %v: expected: %v, got: %v", volPath, e, a)
		}
	} else if err == nil {
		// If this test is for idempotency and we were able
		// to stat the volume path, it's an error.
		t.Errorf("Volume directory was created unexpectedly")
	}

	// Check the number of mounts performed during setup
	if e, a := config.expectedSetupMounts, len(physicalMounter.Log); e != a {
		t.Errorf("Expected %v physicalMounter calls during setup, got %v", e, a)
	} else if config.expectedSetupMounts == 1 &&
		(physicalMounter.Log[0].Action != mount.FakeActionMount || physicalMounter.Log[0].FSType != "tmpfs") {
		t.Errorf("Unexpected physicalMounter action during setup: %#v", physicalMounter.Log[0])
	}
	physicalMounter.ResetLog()

	// Make a unmounter for the volume
	teardownMedium := mediumUnknown
	if config.medium == api.StorageMediumMemory {
		teardownMedium = mediumMemory
	}
	unmounterMountDetector := &fakeMountDetector{medium: teardownMedium, isMount: config.shouldBeMountedBeforeTeardown}
	unmounter, err := plug.(*emptyDirPlugin).newUnmounterInternal(volumeName, types.UID("poduid"), &physicalMounter, unmounterMountDetector)
	if err != nil {
		t.Errorf("Failed to make a new Unmounter: %v", err)
	}
	if unmounter == nil {
		t.Errorf("Got a nil Unmounter")
	}

	// Tear down the volume
	if err := unmounter.TearDown(); err != nil {
		t.Errorf("Expected success, got: %v", err)
	}
	if _, err := os.Stat(volPath); err == nil {
		t.Errorf("TearDown() failed, volume path still exists: %s", volPath)
	} else if !os.IsNotExist(err) {
		t.Errorf("SetUp() failed: %v", err)
	}

	// Check the number of physicalMounter calls during tardown
	if e, a := config.expectedTeardownMounts, len(physicalMounter.Log); e != a {
		t.Errorf("Expected %v physicalMounter calls during teardown, got %v", e, a)
	} else if config.expectedTeardownMounts == 1 && physicalMounter.Log[0].Action != mount.FakeActionUnmount {
		t.Errorf("Unexpected physicalMounter action during teardown: %#v", physicalMounter.Log[0])
	}
	physicalMounter.ResetLog()
}
Example #12
0
func TestPlugin(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("gcepdTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil, "" /* rootContext */))

	plug, err := plugMgr.FindPluginByName("kubernetes.io/gce-pd")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	spec := &api.Volume{
		Name: "vol1",
		VolumeSource: api.VolumeSource{
			GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{
				PDName: "pd",
				FSType: "ext4",
			},
		},
	}
	fakeManager := &fakePDManager{}
	fakeMounter := &mount.FakeMounter{}
	mounter, err := plug.(*gcePersistentDiskPlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), fakeManager, fakeMounter)
	if err != nil {
		t.Errorf("Failed to make a new Mounter: %v", err)
	}
	if mounter == nil {
		t.Errorf("Got a nil Mounter")
	}

	volPath := path.Join(tmpDir, "pods/poduid/volumes/kubernetes.io~gce-pd/vol1")
	path := mounter.GetPath()
	if path != volPath {
		t.Errorf("Got unexpected path: %s", path)
	}

	if err := mounter.SetUp(nil); err != nil {
		t.Errorf("Expected success, got: %v", err)
	}
	if _, err := os.Stat(path); err != nil {
		if os.IsNotExist(err) {
			t.Errorf("SetUp() failed, volume path not created: %s", path)
		} else {
			t.Errorf("SetUp() failed: %v", err)
		}
	}
	if _, err := os.Stat(path); err != nil {
		if os.IsNotExist(err) {
			t.Errorf("SetUp() failed, volume path not created: %s", path)
		} else {
			t.Errorf("SetUp() failed: %v", err)
		}
	}

	fakeManager = &fakePDManager{}
	unmounter, err := plug.(*gcePersistentDiskPlugin).newUnmounterInternal("vol1", types.UID("poduid"), fakeManager, fakeMounter)
	if err != nil {
		t.Errorf("Failed to make a new Unmounter: %v", err)
	}
	if unmounter == nil {
		t.Errorf("Got a nil Unmounter")
	}

	if err := unmounter.TearDown(); err != nil {
		t.Errorf("Expected success, got: %v", err)
	}
	if _, err := os.Stat(path); err == nil {
		t.Errorf("TearDown() failed, volume path still exists: %s", path)
	} else if !os.IsNotExist(err) {
		t.Errorf("SetUp() failed: %v", err)
	}

	// Test Provisioner
	cap := resource.MustParse("100Mi")
	options := volume.VolumeOptions{
		Capacity: cap,
		AccessModes: []api.PersistentVolumeAccessMode{
			api.ReadWriteOnce,
		},
		PersistentVolumeReclaimPolicy: api.PersistentVolumeReclaimDelete,
	}
	provisioner, err := plug.(*gcePersistentDiskPlugin).newProvisionerInternal(options, &fakePDManager{})
	persistentSpec, err := provisioner.Provision()
	if err != nil {
		t.Errorf("Provision() failed: %v", err)
	}

	if persistentSpec.Spec.PersistentVolumeSource.GCEPersistentDisk.PDName != "test-gce-volume-name" {
		t.Errorf("Provision() returned unexpected volume ID: %s", persistentSpec.Spec.PersistentVolumeSource.GCEPersistentDisk.PDName)
	}
	cap = persistentSpec.Spec.Capacity[api.ResourceStorage]
	size := cap.Value()
	if size != 100*1024*1024*1024 {
		t.Errorf("Provision() returned unexpected volume size: %v", size)
	}

	if persistentSpec.Labels["fakepdmanager"] != "yes" {
		t.Errorf("Provision() returned unexpected labels: %v", persistentSpec.Labels)
	}

	// Test Deleter
	volSpec := &volume.Spec{
		PersistentVolume: persistentSpec,
	}
	deleter, err := plug.(*gcePersistentDiskPlugin).newDeleterInternal(volSpec, &fakePDManager{})
	err = deleter.Delete()
	if err != nil {
		t.Errorf("Deleter() failed: %v", err)
	}
}
Example #13
0
func doTestPlugin(t *testing.T, spec *volume.Spec) {
	tmpDir, err := utiltesting.MkTmpdir("iscsi_test")
	if err != nil {
		t.Fatalf("error creating temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)

	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil, "" /* rootContext */))

	plug, err := plugMgr.FindPluginByName("kubernetes.io/iscsi")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	fakeManager := NewFakeDiskManager()
	defer fakeManager.Cleanup()
	fakeMounter := &mount.FakeMounter{}
	mounter, err := plug.(*iscsiPlugin).newMounterInternal(spec, types.UID("poduid"), fakeManager, fakeMounter)
	if err != nil {
		t.Errorf("Failed to make a new Mounter: %v", err)
	}
	if mounter == nil {
		t.Error("Got a nil Mounter")
	}

	path := mounter.GetPath()
	expectedPath := fmt.Sprintf("%s/pods/poduid/volumes/kubernetes.io~iscsi/vol1", tmpDir)
	if path != expectedPath {
		t.Errorf("Unexpected path, expected %q, got: %q", expectedPath, path)
	}

	if err := mounter.SetUp(nil); err != nil {
		t.Errorf("Expected success, got: %v", err)
	}
	if _, err := os.Stat(path); err != nil {
		if os.IsNotExist(err) {
			t.Errorf("SetUp() failed, volume path not created: %s", path)
		} else {
			t.Errorf("SetUp() failed: %v", err)
		}
	}
	if _, err := os.Stat(path); err != nil {
		if os.IsNotExist(err) {
			t.Errorf("SetUp() failed, volume path not created: %s", path)
		} else {
			t.Errorf("SetUp() failed: %v", err)
		}
	}
	if !fakeManager.attachCalled {
		t.Errorf("Attach was not called")
	}

	fakeManager2 := NewFakeDiskManager()
	defer fakeManager2.Cleanup()
	unmounter, err := plug.(*iscsiPlugin).newUnmounterInternal("vol1", types.UID("poduid"), fakeManager2, fakeMounter)
	if err != nil {
		t.Errorf("Failed to make a new Unmounter: %v", err)
	}
	if unmounter == nil {
		t.Error("Got a nil Unmounter")
	}

	if err := unmounter.TearDown(); err != nil {
		t.Errorf("Expected success, got: %v", err)
	}
	if _, err := os.Stat(path); err == nil {
		t.Errorf("TearDown() failed, volume path still exists: %s", path)
	} else if !os.IsNotExist(err) {
		t.Errorf("SetUp() failed: %v", err)
	}
	if !fakeManager2.detachCalled {
		t.Errorf("Detach was not called")
	}
}
Example #14
0
func TestPlugin(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("cephTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil, "" /* rootContext */))
	plug, err := plugMgr.FindPluginByName("kubernetes.io/cephfs")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	spec := &api.Volume{
		Name: "vol1",
		VolumeSource: api.VolumeSource{
			CephFS: &api.CephFSVolumeSource{
				Monitors:   []string{"a", "b"},
				User:       "******",
				SecretRef:  nil,
				SecretFile: "/etc/ceph/user.secret",
			},
		},
	}

	mounter, err := plug.(*cephfsPlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), &mount.FakeMounter{}, "secrets")
	volumePath := mounter.GetPath()
	if err != nil {
		t.Errorf("Failed to make a new Mounter: %v", err)
	}
	if mounter == nil {
		t.Errorf("Got a nil Mounter")
	}
	volpath := path.Join(tmpDir, "pods/poduid/volumes/kubernetes.io~cephfs/vol1")
	path := mounter.GetPath()
	if path != volpath {
		t.Errorf("Got unexpected path: %s", path)
	}
	if err := mounter.SetUp(nil); err != nil {
		t.Errorf("Expected success, got: %v", err)
	}
	if _, err := os.Stat(volumePath); err != nil {
		if os.IsNotExist(err) {
			t.Errorf("SetUp() failed, volume path not created: %s", volumePath)
		} else {
			t.Errorf("SetUp() failed: %v", err)
		}
	}
	unmounter, err := plug.(*cephfsPlugin).newUnmounterInternal("vol1", types.UID("poduid"), &mount.FakeMounter{})
	if err != nil {
		t.Errorf("Failed to make a new Unmounter: %v", err)
	}
	if unmounter == nil {
		t.Errorf("Got a nil Unmounter")
	}
	if err := unmounter.TearDown(); err != nil {
		t.Errorf("Expected success, got: %v", err)
	}
	if _, err := os.Stat(volumePath); err == nil {
		t.Errorf("TearDown() failed, volume path still exists: %s", volumePath)
	} else if !os.IsNotExist(err) {
		t.Errorf("SetUp() failed: %v", err)
	}
}
func TestPlugin(t *testing.T) {
	// Initial setup to test volume plugin
	tmpDir, err := utiltesting.MkTmpdir("vsphereVolumeTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)

	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil, "" /* rootContext */))

	plug, err := plugMgr.FindPluginByName("kubernetes.io/vsphere-volume")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}

	spec := &api.Volume{
		Name: "vol1",
		VolumeSource: api.VolumeSource{
			VsphereVolume: &api.VsphereVirtualDiskVolumeSource{
				VolumePath: "[local] test-volume-name.vmdk",
				FSType:     "ext4",
			},
		},
	}

	// Test Mounter
	fakeManager := &fakePDManager{}
	fakeMounter := &mount.FakeMounter{}
	mounter, err := plug.(*vsphereVolumePlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), fakeManager, fakeMounter)
	if err != nil {
		t.Errorf("Failed to make a new Mounter: %v", err)
	}
	if mounter == nil {
		t.Errorf("Got a nil Mounter")
	}

	mntPath := path.Join(tmpDir, "pods/poduid/volumes/kubernetes.io~vsphere-volume/vol1")
	path := mounter.GetPath()
	if path != mntPath {
		t.Errorf("Got unexpected path: %s", path)
	}

	if err := mounter.SetUp(nil); err != nil {
		t.Errorf("Expected success, got: %v", err)
	}

	if !fakeManager.attachCalled {
		t.Errorf("Attach watch not called")
	}

	// Test Unmounter
	fakeManager = &fakePDManager{}
	unmounter, err := plug.(*vsphereVolumePlugin).newUnmounterInternal("vol1", types.UID("poduid"), fakeManager, fakeMounter)
	if err != nil {
		t.Errorf("Failed to make a new Unmounter: %v", err)
	}
	if unmounter == nil {
		t.Errorf("Got a nil Unmounter")
	}

	if err := unmounter.TearDown(); err != nil {
		t.Errorf("Expected success, got: %v", err)
	}
	if _, err := os.Stat(path); err == nil {
		t.Errorf("TearDown() failed, volume path still exists: %s", path)
	} else if !os.IsNotExist(err) {
		t.Errorf("SetUp() failed: %v", err)
	}
	if !fakeManager.detachCalled {
		t.Errorf("Detach watch not called")
	}

	// Test Provisioner
	cap := resource.MustParse("100Mi")
	options := volume.VolumeOptions{
		Capacity: cap,
		AccessModes: []api.PersistentVolumeAccessMode{
			api.ReadWriteOnce,
		},
		PersistentVolumeReclaimPolicy: api.PersistentVolumeReclaimDelete,
	}
	provisioner, err := plug.(*vsphereVolumePlugin).newProvisionerInternal(options, &fakePDManager{})
	persistentSpec, err := provisioner.Provision()
	if err != nil {
		t.Errorf("Provision() failed: %v", err)
	}

	if persistentSpec.Spec.PersistentVolumeSource.VsphereVolume.VolumePath != "[local] test-volume-name.vmdk" {
		t.Errorf("Provision() returned unexpected path %s", persistentSpec.Spec.PersistentVolumeSource.VsphereVolume.VolumePath)
	}

	cap = persistentSpec.Spec.Capacity[api.ResourceStorage]
	size := cap.Value()
	if size != 100*1024 {
		t.Errorf("Provision() returned unexpected volume size: %v", size)
	}

	// Test Deleter
	volSpec := &volume.Spec{
		PersistentVolume: persistentSpec,
	}
	deleter, err := plug.(*vsphereVolumePlugin).newDeleterInternal(volSpec, &fakePDManager{})
	err = deleter.Delete()
	if err != nil {
		t.Errorf("Deleter() failed: %v", err)
	}
}