util

func ByteCountDecimal ¶

func ByteCountDecimal(b int64) string

func CopyFile ¶

func CopyFile(src string, dst string) error

func CreateDirectories ¶

func CreateDirectories() error

Creates the /var/lib/firecracker/{vm,image,kernel} directories

func DirExists ¶

func DirExists(dirname string) bool

func ExecForeground ¶

func ExecForeground(command string, args ...string) (int, error)

func ExecuteCommand ¶

func ExecuteCommand(command string, args ...string) (string, error)

func FileExists ¶

func FileExists(filename string) bool

func IsEmptyString ¶

func IsEmptyString(input string) bool

func MatchPrefix ¶

func MatchPrefix(prefix string, fields ...string) []string

func NewID ¶

func NewID(baseDir string) (string, error)

Creates a new 8-byte ID and return it as a string

func NewMAC ¶

func NewMAC(buffer *[]string) error

Fills the given string slice with unique MAC addresses

func NewName ¶

func NewName(s *string)

func NewOutput ¶

func NewOutput() *output

func PathExists ¶

func PathExists(path string) (bool, os.FileInfo)