utils

func Append ¶

func Append(slice []string, data string) []string

Append grows a string array by appending a new element.

func CreateFile ¶

func CreateFile(path string) error

CreateFile creates an empty file at the specified path.

func DeisIfy ¶

func DeisIfy(message string) string

DeisIfy returns a pretty-printed deis logo along with the corresponding message

func Execute ¶

func Execute(script string) error

func ExpandUser ¶

func ExpandUser(path string) (string, error)

ExpandUser replaces "~" in a string with the current user's home directory.

func Extract ¶

func Extract(file, dir string) (err error)

func GetClientID ¶

func GetClientID() string

GetClientID returns the CoreOS Machine ID or an unknown UUID string

func GetFileBytes ¶

func GetFileBytes(filename string) []byte

GetFileBytes returns a byte array of the contents of a file.

func GetHostIPAddress ¶

func GetHostIPAddress() string

GetHostIPAddress returns the host IP for accessing etcd and Deis services.

func GetHostOs ¶

func GetHostOs() string

GetHostOs returns either "darwin" or "ubuntu".

func GetKey ¶

func GetKey(dir, key, perm string) string

func GetMachineID ¶

func GetMachineID(root string) string

func GetRandomPort ¶

func GetRandomPort() string

GetRandomPort returns an unused TCP listen port on the host.

func GetUserDetails ¶

func GetUserDetails() (string, string)

GetUserDetails returns sections of a UUID.

func GetVersion ¶

func GetVersion() string

func ListFiles ¶

func ListFiles(dir string) ([]string, error)

func NewUuid ¶

func NewUuid() string

NewUuid returns a new V4-style unique identifier.

func PullImage ¶

func PullImage(args string) error

func PutVersion ¶

func PutVersion(version string) error

func RunCommandWithStdoutStderr ¶

func RunCommandWithStdoutStderr(cmd *exec.Cmd) (bytes.Buffer, bytes.Buffer, error)

RunCommandWithStdoutStderr execs a command and returns its output.

func Timeout ¶

func Timeout(msg string, seconds time.Duration, f func()) error