"k8s.io/kubernetes/pkg/volume/util/subpath"
)

// VolumeHost interface implementation for PersistentVolumeController.

var _ vol.VolumeHost = &PersistentVolumeController{}

func (ctrl *PersistentVolumeController) GetPluginDir(pluginName string) string {
	return ""
}

func (ctrl *PersistentVolumeController) GetVolumeDevicePluginDir(pluginName string) string {
	return ""
}

func (ctrl *PersistentVolumeController) GetPodsDir() string {

	exp = filepath.Join(root, "plugins")
	assert.Equal(t, exp, got)

	got = kubelet.getPluginsRegistrationDir()
	exp = filepath.Join(root, "plugins_registry")
	assert.Equal(t, exp, got)

	got = kubelet.getPluginDir("foobar")
	exp = filepath.Join(root, "plugins/foobar")
	assert.Equal(t, exp, got)

	got = kubelet.getPodDir("abc123")
	exp = filepath.Join(root, "pods/abc123")
	assert.Equal(t, exp, got)

	volumeName, err := plugin.GetVolumeName(spec)
	if err != nil {
		return "", fmt.Errorf("GetVolumeName failed from getDeviceMountPath: %s", err)
	}

	mountsDir := filepath.Join(plugin.host.GetPluginDir(flexVolumePluginName), plugin.driverName, "mounts")
	return filepath.Join(mountsDir, volumeName), nil
}

func (plugin *flexVolumePlugin) RequiresFSResize() bool {
	return plugin.capabilities.RequiresFSResize