util

func AwaitReachable ¶

func AwaitReachable(addr string, maxWait time.Duration) error

func CmdExists ¶

func CmdExists(file string) bool

func LocalIP ¶

func LocalIP() (net.IP, error)

LocalIP returns external IP V4 address of localhost Russ Cox: https://groups.google.com/d/msg/golang-nuts/WXKmB1MI-6g/HiUtV02i4bUJ

func MemAlloc ¶

func MemAlloc() uint64

MemAlloc returns the current memory allocations of the Golang process for calculating the memory overhead a data structure

func RandString ¶

func RandString(n int) string

RandString returns a random string of length n made up of upper and lower alphabetic letters