runc/network/network.go

106 lines
2.2 KiB
Go

// +build linux
package network
import (
"net"
"github.com/docker/libcontainer/netlink"
)
func InterfaceUp(name string) error {
iface, err := net.InterfaceByName(name)
if err != nil {
return err
}
return netlink.NetworkLinkUp(iface)
}
func InterfaceDown(name string) error {
iface, err := net.InterfaceByName(name)
if err != nil {
return err
}
return netlink.NetworkLinkDown(iface)
}
func ChangeInterfaceName(old, newName string) error {
iface, err := net.InterfaceByName(old)
if err != nil {
return err
}
return netlink.NetworkChangeName(iface, newName)
}
func CreateVethPair(name1, name2 string, txQueueLen int) error {
return netlink.NetworkCreateVethPair(name1, name2, txQueueLen)
}
func SetInterfaceInNamespacePid(name string, nsPid int) error {
iface, err := net.InterfaceByName(name)
if err != nil {
return err
}
return netlink.NetworkSetNsPid(iface, nsPid)
}
func SetInterfaceInNamespaceFd(name string, fd uintptr) error {
iface, err := net.InterfaceByName(name)
if err != nil {
return err
}
return netlink.NetworkSetNsFd(iface, int(fd))
}
func SetInterfaceMaster(name, master string) error {
iface, err := net.InterfaceByName(name)
if err != nil {
return err
}
masterIface, err := net.InterfaceByName(master)
if err != nil {
return err
}
return netlink.AddToBridge(iface, masterIface)
}
func SetDefaultGateway(ip, ifaceName string) error {
return netlink.AddDefaultGw(ip, ifaceName)
}
func SetInterfaceMac(name string, macaddr string) error {
iface, err := net.InterfaceByName(name)
if err != nil {
return err
}
return netlink.NetworkSetMacAddress(iface, macaddr)
}
func SetInterfaceIp(name string, rawIp string) error {
iface, err := net.InterfaceByName(name)
if err != nil {
return err
}
ip, ipNet, err := net.ParseCIDR(rawIp)
if err != nil {
return err
}
return netlink.NetworkLinkAddIp(iface, ip, ipNet)
}
func SetMtu(name string, mtu int) error {
iface, err := net.InterfaceByName(name)
if err != nil {
return err
}
return netlink.NetworkSetMTU(iface, mtu)
}
func SetHairpinMode(name string, enabled bool) error {
iface, err := net.InterfaceByName(name)
if err != nil {
return err
}
return netlink.SetHairpinMode(iface, enabled)
}