container

Documentation

Index

• Constants
• Variables
• func AttachContainerToPID(c *config.Config, masterPid int) error
• func AttachLoopDevice(loopDev int, file *os.File) error
• func ChangeDir(c *config.Config) changesDir
• func CheckExistence(c *config.Config) error
• func DetachLoopDevice(loopDev int) error
• func Exec()
• func FindFreeLoopDevice() (int, error)
• func IsChild() bool
• func IsPidRunning(pid int) (bool, error)
• func IsRunning(c *config.Config) bool
• func MountRootfs(c *config.Config) error
• func SendSig(pid, sig int) error
• func Start(c *config.Config, args []string) (int, error)
• func Touch(path string) error
• func UmountRootfs(c *config.Config) []error

Constants

const (
	// https://github.com/util-linux/util-linux/blob/master/include/loopdev.h#L46
	LOOP_SET_FD       = 0x4C00
	LOOP_CLR_FD       = 0x4C01
	LOOP_SET_STATUS64 = 0x4C04
	LOOP_CTL_ADD      = 0x4C80
	LOOP_CTL_REMOVE   = 0x4C81
	LOOP_CTL_GET_FREE = 0x4C82

	LOOP_DEVICE_PREFIX = "/dev/loop"
)

const (
	ContainerStatusCreating = "creating"
	ContainerStatusRunning  = "running"
	ContainerStatusStopped  = "stopped"
	ContainerStatusHang     = "hang"
)

const (
	CHILD_CONFIG_ENV_NAME = "SANDAL_CHILD"
)

Variables

var ErrPidExistenceControl = fmt.Errorf("unable to find proccess")

Functions

func AttachContainerToPID

func AttachContainerToPID(c *config.Config, masterPid int) error

func AttachLoopDevice

func AttachLoopDevice(loopDev int, file *os.File) error

func ChangeDir

func ChangeDir(c *config.Config) changesDir

func CheckExistence

func CheckExistence(c *config.Config) error

func DetachLoopDevice

func DetachLoopDevice(loopDev int) error

func Exec

func Exec()

func FindFreeLoopDevice

func FindFreeLoopDevice() (int, error)

find free loop device

func IsChild

func IsChild() bool

func IsPidRunning

func IsPidRunning(pid int) (bool, error)

func IsRunning

func IsRunning(c *config.Config) bool

func MountRootfs

func MountRootfs(c *config.Config) error

func SendSig

func SendSig(pid, sig int) error

func Start

func Start(c *config.Config, args []string) (int, error)

func Touch

func Touch(path string) error

func UmountRootfs

func UmountRootfs(c *config.Config) []error