getlocalIP

getlocalIP.go

func GetLocalIP() (string, error) {
	addrs, err := net.InterfaceAddrs()
	if err != nil {
		return "127.0.0.1", fmt.Errorf("Get local IP error: %v\n", err)
	}
	for _, address := range addrs {
		// check the address type and if it is not a loopback the display it
		if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
			if ipnet.IP.To4() != nil {
				return ipnet.IP.String(), nil
			}
		}
	}
	return "127.0.0.1", errors.New("no local IP found")
}