Spec: storage.VolumeAttachmentSpec{
			Attacher: "myattacher",
			Source: storage.VolumeAttachmentSource{
				PersistentVolumeName: &volumeName,
			},
			NodeName: "mynode",
		},
	}, {
		ObjectMeta: metav1.ObjectMeta{Name: "foo-with-inlinespec"},
		Spec: storage.VolumeAttachmentSpec{
			Attacher: "myattacher",
			Source: storage.VolumeAttachmentSource{
				InlineVolumeSpec: &inlineSpec,

	}}
}

// Attacher
type testPluginAttacher struct {
	ErrorEncountered  *bool
	attachedVolumeMap map[string][]string
	pluginLock        *sync.RWMutex
}

func (attacher *testPluginAttacher) Attach(spec *volume.Spec, nodeName types.NodeName) (string, error) {
	attacher.pluginLock.Lock()
	defer attacher.pluginLock.Unlock()
	if spec == nil {
		*attacher.ErrorEncountered = true

func (c *csiAttacher) GetDeviceMountPath(spec *volume.Spec) (string, error) {
	klog.V(4).Info(log("attacher.GetDeviceMountPath(%v)", spec))
	deviceMountPath, err := makeDeviceMountPath(c.plugin, spec)
	if err != nil {
		return "", errors.New(log("attacher.GetDeviceMountPath failed to make device mount path: %v", err))
	}
	klog.V(4).Infof("attacher.GetDeviceMountPath succeeded, deviceMountPath: %s", deviceMountPath)
	return deviceMountPath, nil
}

	// Setup
	// Create a new attacher
	fakeClient := fakeclient.NewSimpleClientset()
	plug, tmpDir := newTestPlugin(t, fakeClient)
	defer os.RemoveAll(tmpDir)
	attacher, err0 := plug.NewAttacher()
	if err0 != nil {
		t.Fatalf("failed to create new attacher: %v", err0)
	}
	csiAttacher := getCsiAttacherFromVolumeAttacher(attacher, testWatchTimeout)

}

// VolumeAttachmentSpec is the specification of a VolumeAttachment request.
message VolumeAttachmentSpec {
  // attacher indicates the name of the volume driver that MUST handle this
  // request. This is the name returned by GetPluginName().
  optional string attacher = 1;

  // source represents the volume that should be attached.
  optional VolumeAttachmentSource source = 2;

	return map_VolumeAttachmentSource
}

var map_VolumeAttachmentSpec = map[string]string{
	"":         "VolumeAttachmentSpec is the specification of a VolumeAttachment request.",
	"attacher": "attacher indicates the name of the volume driver that MUST handle this request. This is the name returned by GetPluginName().",
	"source":   "source represents the volume that should be attached.",

}

// VolumeAttachmentSpec is the specification of a VolumeAttachment request.
type VolumeAttachmentSpec struct {
	// attacher indicates the name of the volume driver that MUST handle this
	// request. This is the name returned by GetPluginName().
	Attacher string `json:"attacher" protobuf:"bytes,1,opt,name=attacher"`

	// source represents the volume that should be attached.

}

// VolumeAttachmentSpec is the specification of a VolumeAttachment request.
message VolumeAttachmentSpec {
  // attacher indicates the name of the volume driver that MUST handle this
  // request. This is the name returned by GetPluginName().
  optional string attacher = 1;

  // source represents the volume that should be attached.
  optional VolumeAttachmentSource source = 2;

type CustomBlockVolumeMapper interface {
	BlockVolumeMapper
	// SetUpDevice prepares the volume to the node by the plugin specific way.
	// For most in-tree plugins, attacher.Attach() and attacher.WaitForAttach()
	// will do necessary works.
	// This may be called more than once, so implementations must be idempotent.
	// SetUpDevice returns stagingPath if device setup was successful

	allErrs = append(allErrs, validateAttacher(spec.Attacher, fldPath.Child("attacher"))...)
	allErrs = append(allErrs, validateVolumeAttachmentSource(&spec.Source, fldPath.Child("source"))...)
	allErrs = append(allErrs, validateNodeName(spec.NodeName, fldPath.Child("nodeName"))...)
	return allErrs
}

// validateAttacher tests if attacher is a valid qualified name.
func validateAttacher(attacher string, fldPath *field.Path) field.ErrorList {