31 lines
548 B
Go
31 lines
548 B
Go
package util
|
|
|
|
import (
|
|
"net"
|
|
"strings"
|
|
)
|
|
|
|
// InternalIP return internal ip.
|
|
func InternalIP() string {
|
|
inters, err := net.Interfaces()
|
|
if err != nil {
|
|
return ""
|
|
}
|
|
for _, inter := range inters {
|
|
if inter.Flags&net.FlagUp != 0 && !strings.HasPrefix(inter.Name, "lo") {
|
|
addrs, err := inter.Addrs()
|
|
if err != nil {
|
|
continue
|
|
}
|
|
for _, addr := range addrs {
|
|
if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
|
|
if ipnet.IP.To4() != nil {
|
|
return ipnet.IP.String()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return ""
|
|
}
|