// GetUniqueVolumeNameFromSpec uses the given VolumePlugin to generate a unique // name representing the volume defined in the specified volume spec. // This returned name can be used to uniquely reference the actual backing // device, directory, path, etc. referenced by the given volumeSpec. // If the given plugin does not support the volume spec, this returns an error. func GetUniqueVolumeNameFromSpec( volumePlugin volume.VolumePlugin, volumeSpec *volume.Spec) (api.UniqueVolumeName, error) { if volumePlugin == nil { return "", fmt.Errorf( "volumePlugin should not be nil. volumeSpec.Name=%q", volumeSpec.Name()) } volumeName, err := volumePlugin.GetVolumeName(volumeSpec) if err != nil || volumeName == "" { return "", fmt.Errorf( "failed to GetVolumeName from volumePlugin for volumeSpec %q err=%v", volumeSpec.Name(), err) } return GetUniqueVolumeName( volumePlugin.GetPluginName(), volumeName), nil }