fs

type FileInfo interface {
	Name() string       // base name of the file
	Size() int64        // length in bytes for regular files; system-dependent for others
	Mode() os.FileMode  // file mode bits
	ModTime() time.Time // modification time
	IsDir() bool        // abbreviation for Mode().IsDir()
	Sys() interface{}   // underlying data source (can return nil)
}

type Fs struct {
	Util *gofsutil.FS
}

type FsInterface interface {
	OpenFile(name string, flag int, perm os.FileMode) (*os.File, error)
	Stat(name string) (FileInfo, error)
	Create(name string) (*os.File, error)
	ReadFile(name string) ([]byte, error)
	WriteFile(filename string, data []byte, perm os.FileMode) error
	IsNotExist(err error) bool
	Mkdir(name string, perm os.FileMode) error
	MkdirAll(name string, perm os.FileMode) error
	Chmod(name string, perm os.FileMode) error
	Remove(name string) error
	RemoveAll(name string) error
	WriteString(file *os.File, str string) (int, error)
	ExecCommand(name string, args ...string) ([]byte, error)
	ExecCommandOutput(name string, args ...string) ([]byte, error)

	GetUtil() UtilInterface

	// wrapper
	ParseProcMounts(ctx context.Context, content io.Reader) ([]gofsutil.Info, error)
	MkFileIdempotent(path string) (bool, error)
	//Network
	NetDial(endpoint string) (net.Conn, error)
}

type UtilInterface interface {
	GetDiskFormat(ctx context.Context, disk string) (string, error)
	Format(ctx context.Context, source, target, fsType string, options ...string) error
	FormatAndMount(ctx context.Context, source, target, fsType string, options ...string) error
	Mount(ctx context.Context, source, target, fsType string, options ...string) error
	BindMount(ctx context.Context, source, target string, options ...string) error
	Unmount(ctx context.Context, target string) error
	GetMounts(ctx context.Context) ([]gofsutil.Info, error)
	GetDevMounts(ctx context.Context, dev string) ([]gofsutil.Info, error)
	ValidateDevice(ctx context.Context, source string) (string, error)
	WWNToDevicePath(ctx context.Context, wwn string) (string, string, error)
	RescanSCSIHost(ctx context.Context, targets []string, lun string) error
	RemoveBlockDevice(ctx context.Context, blockDevicePath string) error
	TargetIPLUNToDevicePath(ctx context.Context, targetIP string, lunID int) (map[string]string, error)
	MultipathCommand(ctx context.Context, timeoutSeconds time.Duration, chroot string, arguments ...string) ([]byte, error)
	GetFCHostPortWWNs(ctx context.Context) ([]string, error)
	IssueLIPToAllFCHosts(ctx context.Context) error
	GetSysBlockDevicesForVolumeWWN(ctx context.Context, volumeWWN string) ([]string, error)
	DeviceRescan(ctx context.Context, devicePath string) error
	ResizeFS(ctx context.Context, volumePath, devicePath, mpathDevice, fsType string) error
	GetMountInfoFromDevice(ctx context.Context, devID string) (*gofsutil.DeviceMountInfo, error)
	ResizeMultipath(ctx context.Context, deviceName string) error
	FindFSType(ctx context.Context, mountpoint string) (fsType string, err error)
	GetMpathNameFromDevice(ctx context.Context, device string) (string, error)
}