os

package
v0.0.0-...-937b75d Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Jul 28, 2022 License: Apache-2.0 Imports: 20 Imported by: 0

Documentation

Index

Constants

View Source 
const DeviceMapFile = `(hd0) {{.GrubDevice}}
`
View Source 
const GrubTemplate = `default=0
fallback=1
timeout=1
hiddenmenu

title Unik
root {{.RootDrive}}
kernel /boot/program.bin {{.CommandLine}}
`
View Source 
const ProgramName = "program.bin"
View Source 
const SectorSize = 512

Variables

This section is empty.

Functions

func Compress 

func Compress(source, destination string) error

/http://blog.ralch.com/tutorial/golang-working-with-tar-and-gzip/

func CopyDir 

func CopyDir(source string, dest string) (err error)

func CopyFile 

func CopyFile(src, dst string) error

CopyFile copies a file from src to dst. If src and dst files exist, and are the same, then return success. Otherise, attempt to create a hard link between the two files. If that fail, copy the file contents from src to dst.

func CopyToImgFile 

func CopyToImgFile(folder, volType string, imgfile string) error

func CreateBootImageOnFile 

func CreateBootImageOnFile(rootFile string, progPath, staticFilesDir, commandline string) error

func CreateBootImageOnFilePvGrub 

func CreateBootImageOnFilePvGrub(rootFile string, progPath, staticFilesDir, commandline string) error

func CreateBootImageWithSize 

func CreateBootImageWithSize(rootFile string, size DiskSize, progPath, staticFilesDir, commandline string, usePartitionTables bool) error

func CreateSingleVolume 

func CreateSingleVolume(rootFile string, volType string, folder RawVolume) error

func CreateVolumes 

func CreateVolumes(imgFile string, volType string, volumes []RawVolume, newPartitioner func(device string) Partitioner) error

func DirSize 

func DirSize(path string) (int64, error)

http://stackoverflow.com/questions/32482673/golang-how-to-get-directory-total-size

func ExtractTar 

func ExtractTar(tarArchive io.ReadCloser, localFolder string) error

func GetDirSize 

func GetDirSize(dir string) (int64, error)

func IsExists 

func IsExists(f string) bool

func Mount 

func Mount(device BlockDevice) (mntpoint string, err error)

func MountDevice 

func MountDevice(device string) (mntpoint string, err error)

func PrepareGrub 

func PrepareGrub(folder, rootDeviceName, kernel, staticFilesDir, commandline string) error

func PreparePVGrub 

func PreparePVGrub(folder, rootDeviceName, kernel, staticFilesDir, commandline string) error

func RandStringBytes 

func RandStringBytes(n int) string

func RunLogCommand 

func RunLogCommand(name string, args ...string) error

func Umount 

func Umount(point string) error

Types

type BlockDevice 

type BlockDevice string

func (BlockDevice) Name 

func (b BlockDevice) Name() string

type Bytes 

type Bytes int64

func (Bytes) ToBytes 

func (s Bytes) ToBytes() Bytes

func (Bytes) ToMegaBytes 

func (s Bytes) ToMegaBytes() MegaBytes

ToMegaBytes returns lowest whole number of size_MB so that size_MB >= (size_B / 1024^2)

func (Bytes) ToPartedFormat 

func (s Bytes) ToPartedFormat() string

type DiskLabelPartioner 

type DiskLabelPartioner struct {
	Device string
}

func (*DiskLabelPartioner) MakePart 

func (m *DiskLabelPartioner) MakePart(partType string, start, size DiskSize) error

func (*DiskLabelPartioner) MakeTable 

func (m *DiskLabelPartioner) MakeTable() error

type DiskSize 

type DiskSize interface {
	ToPartedFormat() string
	ToBytes() Bytes
}

type GigaBytes 

type GigaBytes int64

func (GigaBytes) ToBytes 

func (s GigaBytes) ToBytes() Bytes

func (GigaBytes) ToPartedFormat 

func (s GigaBytes) ToPartedFormat() string

type LoDevice 

type LoDevice struct {
	// contains filtered or unexported fields
}

TODO: change this to api; like in here: https://www.versioneye.com/python/losetup/2.0.7 or here https://github.com/karelzak/util-linux/blob/master/sys-utils/losetup.c

func (*LoDevice) Acquire 

func (p *LoDevice) Acquire() (BlockDevice, error)

func (*LoDevice) Get 

func (p *LoDevice) Get() BlockDevice

func (*LoDevice) Offset 

func (p *LoDevice) Offset() DiskSize

func (*LoDevice) Release 

func (p *LoDevice) Release() error

func (*LoDevice) Size 

func (p *LoDevice) Size() DiskSize

type MegaBytes 

type MegaBytes int64

func ParseSize 

func ParseSize(sizeStr string) (MegaBytes, error)

ParseSize parses disk size string (e.g. "10GB" or "150MB") into MegaBytes If no unit string is provided, megabytes are assumed

func (MegaBytes) ToBytes 

func (s MegaBytes) ToBytes() Bytes

func (MegaBytes) ToPartedFormat 

func (s MegaBytes) ToPartedFormat() string

type MsDosPartioner 

type MsDosPartioner struct {
	Device string
}

func (*MsDosPartioner) MakePart 

func (m *MsDosPartioner) MakePart(partType string, start, size DiskSize) error

func (*MsDosPartioner) MakePartTillEnd 

func (m *MsDosPartioner) MakePartTillEnd(partType string, start DiskSize) error

func (*MsDosPartioner) MakeTable 

func (m *MsDosPartioner) MakeTable() error

func (*MsDosPartioner) Makebootable 

func (m *MsDosPartioner) Makebootable(partnum int) error

type Part 

type Part interface {
	Resource

	Size() DiskSize
	Offset() DiskSize

	Get() BlockDevice
}

func ListParts 

func ListParts(device BlockDevice) ([]Part, error)

func NewPartLoDevice 

func NewPartLoDevice(device string, offset DiskSize, size DiskSize) Part

type PartedPart 

type PartedPart struct {
	Device BlockDevice
	// contains filtered or unexported fields
}

func (*PartedPart) Acquire 

func (p *PartedPart) Acquire() (BlockDevice, error)

func (*PartedPart) Get 

func (p *PartedPart) Get() BlockDevice

func (*PartedPart) Offset 

func (p *PartedPart) Offset() DiskSize

func (*PartedPart) Release 

func (p *PartedPart) Release() error

func (*PartedPart) Size 

func (p *PartedPart) Size() DiskSize

type Partitioner 

type Partitioner interface {
	MakeTable() error
	MakePart(partType string, start, size DiskSize) error
}

type RawVolume 

type RawVolume struct {
	Path string `json:"Path"`
	Size int64  `json:"Size"`
}

type Resource 

type Resource interface {
	Acquire() (BlockDevice, error)
	Release() error
}

func NewLoDevice 

func NewLoDevice(device string) Resource

type Sectors 

type Sectors int64

func ToSectors 

func ToSectors(b DiskSize) (Sectors, error)

func (Sectors) ToBytes 

func (s Sectors) ToBytes() Bytes

func (Sectors) ToPartedFormat 

func (s Sectors) ToPartedFormat() string

Source Files

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