package host import ( "sync" "github.com/docker/libnetwork/datastore" "github.com/docker/libnetwork/discoverapi" "github.com/docker/libnetwork/driverapi" "github.com/docker/libnetwork/types" ) const networkType = "host" type driver struct { network string sync.Mutex } // Init registers a new instance of host driver func Init(dc driverapi.DriverCallback, config map[string]interface{}) error { c := driverapi.Capability{ DataScope: datastore.LocalScope, } return dc.RegisterDriver(networkType, &driver{}, c) } func (d *driver) NetworkAllocate(id string, option map[string]string, ipV4Data, ipV6Data []driverapi.IPAMData) (map[string]string, error) { return nil, types.NotImplementedErrorf("not implemented") } func (d *driver) NetworkFree(id string) error { return types.NotImplementedErrorf("not implemented") } func (d *driver) EventNotify(etype driverapi.EventType, nid, tableName, key string, value []byte) { } func (d *driver) CreateNetwork(id string, option map[string]interface{}, nInfo driverapi.NetworkInfo, ipV4Data, ipV6Data []driverapi.IPAMData) error { d.Lock() defer d.Unlock() if d.network != "" { return types.ForbiddenErrorf("only one instance of \"%s\" network is allowed", networkType) } d.network = id return nil } func (d *driver) DeleteNetwork(nid string) error { return types.ForbiddenErrorf("network of type \"%s\" cannot be deleted", networkType) } func (d *driver) CreateEndpoint(nid, eid string, ifInfo driverapi.InterfaceInfo, epOptions map[string]interface{}) error { return nil } func (d *driver) DeleteEndpoint(nid, eid string) error { return nil } func (d *driver) EndpointOperInfo(nid, eid string) (map[string]interface{}, error) { return make(map[string]interface{}, 0), nil } // Join method is invoked when a Sandbox is attached to an endpoint. func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error { return nil } // Leave method is invoked when a Sandbox detaches from an endpoint. func (d *driver) Leave(nid, eid string) error { return nil } func (d *driver) ProgramExternalConnectivity(nid, eid string, options map[string]interface{}) error { return nil } func (d *driver) RevokeExternalConnectivity(nid, eid string) error { return nil } func (d *driver) Type() string { return networkType } // DiscoverNew is a notification for a new discovery event, such as a new node joining a cluster func (d *driver) DiscoverNew(dType discoverapi.DiscoveryType, data interface{}) error { return nil } // DiscoverDelete is a notification for a discovery delete event, such as a node leaving a cluster func (d *driver) DiscoverDelete(dType discoverapi.DiscoveryType, data interface{}) error { return nil }