util

func AddCommonFlags ¶

func AddCommonFlags(cmdline *pflag.FlagSet) *bool

AddCommonFlags add common flags that is needed by all modules

func FileExists ¶

func FileExists(filename string) (bool, error)

FileExists check file exists

func GetIPAddress ¶

func GetIPAddress() (addrList []string)

GetIPAddress get local usable inner ip address

func InitFlags ¶

func InitFlags()

InitFlags normalizes and parses the command line flags

func RandomInt ¶

func RandomInt(limit int) int

func RandomString ¶

func RandomString(length int) string

RandomString get a random string made up of alphabet characters with given length.

func WarnWordSepNormalizeFunc ¶

func WarnWordSepNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName

WarnWordSepNormalizeFunc changes and warns for flags that contain "_" separators

func WordSepNormalizeFunc ¶

func WordSepNormalizeFunc(f *pflag.FlagSet, name string) pflag.NormalizedName

WordSepNormalizeFunc changes all flags that contain "_" separators