utils

Documentation

Index

• func CreateFakeRootfs(dir string, image string) error
• func CreateInfraRootfs(dir string, src string) error
• func ExecCmd(name string, args ...string) (string, error)
• func ExecCmdWithStdStreams(stdin io.Reader, stdout, stderr io.Writer, name string, args ...string) error
• func Prctl(option int, arg2, arg3, arg4, arg5 uintptr) (err error)
• func StatusToExitCode(status int) int

Functions

func CreateFakeRootfs

func CreateFakeRootfs(dir string, image string) error

CreateFakeRootfs creates a fake rootfs for test.

func CreateInfraRootfs

func CreateInfraRootfs(dir string, src string) error

CreateInfraRootfs creates a rootfs similar to CreateFakeRootfs, but only copies a single binary from the host into the rootfs. This is all done without Docker, and is only used currently for the pause container which is required for all sandboxes.

func ExecCmd

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

ExecCmd executes a command with args and returns its output as a string along with an error, if any

func ExecCmdWithStdStreams

func ExecCmdWithStdStreams(stdin io.Reader, stdout, stderr io.Writer, name string, args ...string) error

ExecCmdWithStdStreams execute a command with the specified standard streams.

func Prctl

func Prctl(option int, arg2, arg3, arg4, arg5 uintptr) (err error)

Prctl is a way to make the prctl linux syscall

func StatusToExitCode

func StatusToExitCode(status int) int

StatusToExitCode converts wait status code to an exit code