Golang volume.NewFakeVolumeHost函数代码示例

func TestDeleter(t *testing.T) {
	tempPath := fmt.Sprintf("/tmp/hostpath/%s", util.NewUUID())
	defer os.RemoveAll(tempPath)
	err := os.MkdirAll(tempPath, 0750)
	if err != nil {
		t.Fatalf("Failed to create tmp directory for deleter: %v", err)
	}

	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(volume.VolumeConfig{}), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))

	spec := &volume.Spec{PersistentVolume: &api.PersistentVolume{Spec: api.PersistentVolumeSpec{PersistentVolumeSource: api.PersistentVolumeSource{HostPath: &api.HostPathVolumeSource{Path: tempPath}}}}}
	plug, err := plugMgr.FindDeletablePluginBySpec(spec)
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	deleter, err := plug.NewDeleter(spec)
	if err != nil {
		t.Errorf("Failed to make a new Deleter: %v", err)
	}
	if deleter.GetPath() != tempPath {
		t.Errorf("Expected %s but got %s", tempPath, deleter.GetPath())
	}
	if err := deleter.Delete(); err != nil {
		t.Errorf("Mock Recycler expected to return nil but got %s", err)
	}
	if exists, _ := util.FileExists("foo"); exists {
		t.Errorf("Temp path expected to be deleted, but was found at %s", tempPath)
	}
}

// newTestHost returns the temp directory and the VolumeHost created.
// Please be sure to cleanup the temp directory once done!
func newTestHost(t *testing.T, clientset clientset.Interface) (string, volume.VolumeHost) {
	tempDir, err := utiltesting.MkTmpdir("persistent_volume_test.")
	if err != nil {
		t.Fatalf("can't make a temp rootdir: %v", err)
	}
	return tempDir, volume.NewFakeVolumeHost(tempDir, clientset, testProbeVolumePlugins())
}

func TestBuilderAndCleanerTypeAssert(t *testing.T) {
	tmpDir, err := ioutil.TempDir(os.TempDir(), "azurefileTest")
	if err != nil {
		t.Fatalf("can't make a temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)
	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost(tmpDir, nil, nil))

	plug, err := plugMgr.FindPluginByName("kubernetes.io/azure-file")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	spec := &api.Volume{
		Name: "vol1",
		VolumeSource: api.VolumeSource{
			AzureFile: &api.AzureFileVolumeSource{
				SecretName: "secret",
				ShareName:  "share",
			},
		},
	}
	fake := &mount.FakeMounter{}
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
	builder, err := plug.(*azureFilePlugin).newBuilderInternal(volume.NewSpecFromVolume(spec), pod, &fakeAzureSvc{}, fake)
	if _, ok := builder.(volume.Cleaner); ok {
		t.Errorf("Volume Builder can be type-assert to Cleaner")
	}

	cleaner, err := plug.(*azureFilePlugin).newCleanerInternal("vol1", types.UID("poduid"), &mount.FakeMounter{})
	if _, ok := cleaner.(volume.Builder); ok {
		t.Errorf("Volume Cleaner can be type-assert to Builder")
	}
}

func newTestHost(t *testing.T, client client.Interface) volume.VolumeHost {
	tempDir, err := ioutil.TempDir(basePath, "downwardApi_volume_test.")
	if err != nil {
		t.Fatalf("can't make a temp rootdir: %v", err)
	}
	return volume.NewFakeVolumeHost(tempDir, client, empty_dir.ProbeVolumePlugins())
}

func newTestHost(t *testing.T, fakeKubeClient client.Interface) volume.VolumeHost {
	tempDir, err := ioutil.TempDir("/tmp", "persistent_volume_test.")
	if err != nil {
		t.Fatalf("can't make a temp rootdir: %v", err)
	}
	return volume.NewFakeVolumeHost(tempDir, fakeKubeClient, testProbeVolumePlugins())
}

func newTestHost(t *testing.T) volume.VolumeHost {
	tempDir, err := ioutil.TempDir("/tmp", "git_repo_test.")
	if err != nil {
		t.Fatalf("can't make a temp rootdir: %v", err)
	}
	return volume.NewFakeVolumeHost(tempDir, nil, empty_dir.ProbeVolumePlugins())
}

func newTestHost(t *testing.T, client client.Interface) (string, volume.VolumeHost) {
	tempDir, err := utiltesting.MkTmpdir("downwardApi_volume_test.")
	if err != nil {
		t.Fatalf("can't make a temp rootdir: %v", err)
	}
	return tempDir, volume.NewFakeVolumeHost(tempDir, client, empty_dir.ProbeVolumePlugins())
}

func doTestPluginMountUnmount(t *testing.T, spec *volume.Spec, tmpDir string) {
	tmpDir, err := utiltesting.MkTmpdir("flexvolume_test")
	if err != nil {
		t.Fatalf("error creating temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)

	plugMgr := volume.VolumePluginMgr{}
	installPluginUnderTest(t, "kubernetes.io", "fakeMounter", tmpDir, execScriptTempl2, nil)
	plugMgr.InitPlugins(ProbeVolumePlugins(tmpDir), volume.NewFakeVolumeHost(tmpDir, nil, nil))
	plugin, err := plugMgr.FindPluginByName("kubernetes.io/fakeMounter")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	fake := &mount.FakeMounter{}
	pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
	builder, err := plugin.(*flexVolumePlugin).newBuilderInternal(spec, pod, &flexVolumeUtil{}, fake, exec.New(), "")
	volumePath := builder.GetPath()
	if err != nil {
		t.Errorf("Failed to make a new Builder: %v", err)
	}
	if builder == nil {
		t.Errorf("Got a nil Builder")
	}
	path := builder.GetPath()
	expectedPath := fmt.Sprintf("%s/pods/poduid/volumes/kubernetes.io~fakeMounter/vol1", tmpDir)
	if path != expectedPath {
		t.Errorf("Unexpected path, expected %q, got: %q", expectedPath, path)
	}
	if err := builder.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)
		}
	}
	t.Logf("Setup successful")
	if builder.(*flexVolumeBuilder).readOnly {
		t.Errorf("The volume source should not be read-only and it is.")
	}

	cleaner, err := plugin.(*flexVolumePlugin).newCleanerInternal("vol1", types.UID("poduid"), &flexVolumeUtil{}, fake, exec.New())
	if err != nil {
		t.Errorf("Failed to make a new Cleaner: %v", err)
	}
	if cleaner == nil {
		t.Errorf("Got a nil Cleaner")
	}
	if err := cleaner.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 newInitializedVolumePlugMgr(t *testing.T) (volume.VolumePluginMgr, string) {
	plugMgr := volume.VolumePluginMgr{}
	dir, err := utiltesting.MkTmpdir("pwx")
	assert.NoError(t, err)
	plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost(dir, nil, nil))
	return plugMgr, dir
}

func TestBuilderAndCleanerTypeAssert(t *testing.T) {
	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))

	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",
			},
		},
	}

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

	cleaner, err := plug.(*awsElasticBlockStorePlugin).newCleanerInternal("vol1", types.UID("poduid"), &fakePDManager{}, &mount.FakeMounter{})
	if _, ok := cleaner.(volume.Builder); ok {
		t.Errorf("Volume Cleaner can be type-assert to Builder")
	}
}

func TestDeleterTempDir(t *testing.T) {
	tests := map[string]struct {
		expectedFailure bool
		path            string
	}{
		"just-tmp": {true, "/tmp"},
		"not-tmp":  {true, "/nottmp"},
		"good-tmp": {false, "/tmp/scratch"},
	}

	for name, test := range tests {
		plugMgr := volume.VolumePluginMgr{}
		plugMgr.InitPlugins(ProbeVolumePlugins(volume.VolumeConfig{}), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
		spec := &volume.Spec{PersistentVolume: &api.PersistentVolume{Spec: api.PersistentVolumeSpec{PersistentVolumeSource: api.PersistentVolumeSource{HostPath: &api.HostPathVolumeSource{Path: test.path}}}}}
		plug, _ := plugMgr.FindDeletablePluginBySpec(spec)
		deleter, _ := plug.NewDeleter(spec)
		err := deleter.Delete()
		if err == nil && test.expectedFailure {
			t.Errorf("Expected failure for test '%s' but got nil err", name)
		}
		if err != nil && !test.expectedFailure {
			t.Errorf("Unexpected failure for test '%s': %v", name, err)
		}
	}
}

func TestCanSupport(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("flexvolume_test")
	if err != nil {
		t.Fatalf("error creating temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)

	plugMgr := volume.VolumePluginMgr{}
	installPluginUnderTest(t, "kubernetes.io", "fakeAttacher", tmpDir, execScriptTempl1, nil)
	plugMgr.InitPlugins(ProbeVolumePlugins(tmpDir), volume.NewFakeVolumeHost("fake", nil, nil))
	plugin, err := plugMgr.FindPluginByName("kubernetes.io/fakeAttacher")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	if plugin.Name() != "kubernetes.io/fakeAttacher" {
		t.Errorf("Wrong name: %s", plugin.Name())
	}
	if !plugin.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{FlexVolume: &api.FlexVolumeSource{Driver: "kubernetes.io/fakeAttacher"}}}}) {
		t.Errorf("Expected true")
	}
	if !plugin.CanSupport(&volume.Spec{PersistentVolume: &api.PersistentVolume{Spec: api.PersistentVolumeSpec{PersistentVolumeSource: api.PersistentVolumeSource{FlexVolume: &api.FlexVolumeSource{Driver: "kubernetes.io/fakeAttacher"}}}}}) {
		t.Errorf("Expected true")
	}
	if plugin.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{}}}) {
		t.Errorf("Expected false")
	}
}

func TestCanSupport(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("nfs_test")
	if err != nil {
		t.Fatalf("error creating temp dir: %v", err)
	}
	defer os.RemoveAll(tmpDir)

	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(volume.VolumeConfig{}), volume.NewFakeVolumeHost(tmpDir, nil, nil))
	plug, err := plugMgr.FindPluginByName("kubernetes.io/nfs")
	if err != nil {
		t.Errorf("Can't find the plugin by name")
	}
	if plug.Name() != "kubernetes.io/nfs" {
		t.Errorf("Wrong name: %s", plug.Name())
	}
	if !plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{NFS: &api.NFSVolumeSource{}}}}) {
		t.Errorf("Expected true")
	}
	if !plug.CanSupport(&volume.Spec{PersistentVolume: &api.PersistentVolume{Spec: api.PersistentVolumeSpec{PersistentVolumeSource: api.PersistentVolumeSource{NFS: &api.NFSVolumeSource{}}}}}) {
		t.Errorf("Expected true")
	}
	if plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{}}}) {
		t.Errorf("Expected false")
	}
}

func newInitializedVolumePlugMgr(t *testing.T) (volume.VolumePluginMgr, string) {
	plugMgr := volume.VolumePluginMgr{}
	dir, err := ioutil.TempDir("", "flocker")
	assert.NoError(t, err)
	plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost(dir, nil, nil))
	return plugMgr, dir
}

func TestPersistentClaimReadOnlyFlag(t *testing.T) {
	tmpDir, err := utiltesting.MkTmpdir("glusterfs_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{
				Glusterfs: &api.GlusterfsVolumeSource{EndpointsName: "ep", Path: "vol", ReadOnly: false},
			},
			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,
		},
	}

	ep := &api.Endpoints{
		ObjectMeta: api.ObjectMeta{
			Name: "ep",
		},
		Subsets: []api.EndpointSubset{{
			Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}},
			Ports:     []api.EndpointPort{{"foo", 80, api.ProtocolTCP}},
		}},
	}

	client := fake.NewSimpleClientset(pv, claim, ep)

	plugMgr := volume.VolumePluginMgr{}
	plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost(tmpDir, client, nil))
	plug, _ := plugMgr.FindPluginByName(glusterfsPluginName)

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

	if !builder.GetAttributes().ReadOnly {
		t.Errorf("Expected true for builder.IsReadOnly")
	}
}