func (v *veth) create(n *network, nspid int) (err error) {
tmpName, err := v.generateTempPeerName()
if err != nil {
return err
}
n.TempVethPeerName = tmpName
defer func() {
if err != nil {
netlink.NetworkLinkDel(n.HostInterfaceName)
netlink.NetworkLinkDel(n.TempVethPeerName)
}
}()
if n.Bridge == "" {
return fmt.Errorf("bridge is not specified")
}
if err := netlink.NetworkCreateVethPair(n.HostInterfaceName, n.TempVethPeerName, n.TxQueueLen); err != nil {
return err
}
if err := v.attach(&n.Network); err != nil {
return err
}
child, err := net.InterfaceByName(n.TempVethPeerName)
if err != nil {
return err
}
return netlink.NetworkSetNsPid(child, nspid)
}
func (v *veth) create(n *network, nspid int) (err error) {
tmpName, err := v.generateTempPeerName()
if err != nil {
return err
}
n.TempVethPeerName = tmpName
defer func() {
if err != nil {
netlink.NetworkLinkDel(n.HostInterfaceName)
netlink.NetworkLinkDel(n.TempVethPeerName)
}
}()
if n.Bridge == "" {
return fmt.Errorf("bridge is not specified")
}
bridge, err := net.InterfaceByName(n.Bridge)
if err != nil {
return err
}
if err := netlink.NetworkCreateVethPair(n.HostInterfaceName, n.TempVethPeerName, n.TxQueueLen); err != nil {
return err
}
host, err := net.InterfaceByName(n.HostInterfaceName)
if err != nil {
return err
}
if err := netlink.AddToBridge(host, bridge); err != nil {
return err
}
if err := netlink.NetworkSetMTU(host, n.Mtu); err != nil {
return err
}
if n.HairpinMode {
if err := netlink.SetHairpinMode(host, true); err != nil {
return err
}
}
if err := netlink.NetworkLinkUp(host); err != nil {
return err
}
child, err := net.InterfaceByName(n.TempVethPeerName)
if err != nil {
return err
}
return netlink.NetworkSetNsPid(child, nspid)
}
func (self *VLanSetter) delVLan(vethName string) {
if err := netlink.NetworkLinkDel(vethName); err != nil {
logs.Debug("Delete device failed", err)
}
}
// DeletePeerLink deletes peer link. It also deletes the other peer interface in VethPair
func (veth *VethPair) DeletePeerLink() error {
return netlink.NetworkLinkDel(veth.peerIfc.Name)
}
// DeleteLink deletes link interface on Linux host.
// It is equivalent of running: ip link delete dev ${interface name}
func (l *Link) DeleteLink() error {
return netlink.NetworkLinkDel(l.NetInterface().Name)
}
// DeleteLink deletes netowrk link from Linux Host
// It is equivalent of running: ip link delete dev ${name}
func DeleteLink(name string) error {
return netlink.NetworkLinkDel(name)
}
func cleanup(intfName string) error {
if _, err := net.InterfaceByName(intfName); err == nil {
return netlink.NetworkLinkDel(intfName)
}
return nil
}
