// Leave destroys a veth pair for the given endpoint ID.
func (d driver) Leave(req *dnet.LeaveRequest) error {
if err := expectEndpoint(req.EndpointID); err != nil {
return err
}
return network.DelVeth(req.EndpointID)
}
// Join creates a Veth pair for the given endpoint ID, returning the interface info.
func (d driver) Join(req *dnet.JoinRequest) (*dnet.JoinResponse, error) {
if err := expectNoEndpoint(req.EndpointID); err != nil {
return nil, err
}
// We just need to create the Veth and tell Docker where it should go; Docker
// will take care of moving it into the container and renaming it.
tempPeer, err := network.AddVeth(req.EndpointID)
if err != nil {
network.DelVeth(req.EndpointID) // Just in case
return nil, err
}
resp := &dnet.JoinResponse{}
resp.InterfaceName = dnet.InterfaceName{SrcName: tempPeer, DstPrefix: innerVeth}
resp.Gateway = ipdef.GatewayIP.String()
return resp, nil
}