// Setup networking
func setupNetworking(gw string) {
if gw == "" {
return
}
ip := net.ParseIP(gw)
if ip == nil {
log.Fatalf("Unable to set up networking, %s is not a valid IP", gw)
return
}
if err := netlink.AddDefaultGw(ip); err != nil {
log.Fatalf("Unable to set up networking: %v", err)
}
}
// Setup networking
func setupNetworking(args *DockerInitArgs) error {
if args.gateway == "" {
return nil
}
ip := net.ParseIP(args.gateway)
if ip == nil {
return fmt.Errorf("Unable to set up networking, %s is not a valid IP", args.gateway)
}
if err := netlink.AddDefaultGw(ip); err != nil {
return fmt.Errorf("Unable to set up networking: %v", err)
}
return nil
}
// Setup networking
func setupNetworking(args *DockerInitArgs) error {
if args.ip != "" {
// eth0
iface, err := net.InterfaceByName("eth0")
if err != nil {
return fmt.Errorf("Unable to set up networking: %v", err)
}
ip, ipNet, err := net.ParseCIDR(args.ip)
if err != nil {
return fmt.Errorf("Unable to set up networking: %v", err)
}
if err := netlink.NetworkLinkAddIp(iface, ip, ipNet); err != nil {
return fmt.Errorf("Unable to set up networking: %v", err)
}
if err := netlink.NetworkSetMTU(iface, args.mtu); err != nil {
return fmt.Errorf("Unable to set MTU: %v", err)
}
if err := netlink.NetworkLinkUp(iface); err != nil {
return fmt.Errorf("Unable to set up networking: %v", err)
}
// loopback
iface, err = net.InterfaceByName("lo")
if err != nil {
return fmt.Errorf("Unable to set up networking: %v", err)
}
if err := netlink.NetworkLinkUp(iface); err != nil {
return fmt.Errorf("Unable to set up networking: %v", err)
}
}
if args.gateway != "" {
gw := net.ParseIP(args.gateway)
if gw == nil {
return fmt.Errorf("Unable to set up networking, %s is not a valid gateway IP", args.gateway)
}
if err := netlink.AddDefaultGw(gw); err != nil {
return fmt.Errorf("Unable to set up networking: %v", err)
}
}
return nil
}
