Get Interface's IP Address

get_interface_ipaddr.go

package main

import "net"
import "fmt"

func main() {
	ifaces, err := net.Interfaces()
	_ = err // handle err
	for _, v := range ifaces {
		addrs, err := v.Addrs()
		_ = err // handle err
		for _, addr := range addrs {
			var ip net.IP
			switch v := addr.(type) {
			case *net.IPNet:
				ip = v.IP
			}
			fmt.Println(v.Name, ":", ip.String())

			// process IP address
		}
	}
}