func initBridgeDriver(controller libnetwork.NetworkController, config *Config) error { option := options.Generic{ "EnableIPForwarding": config.Bridge.EnableIPForward, "EnableIPTables": config.Bridge.EnableIPTables, "EnableUserlandProxy": config.Bridge.EnableUserlandProxy} if err := controller.ConfigureNetworkDriver("bridge", options.Generic{netlabel.GenericData: option}); err != nil { return fmt.Errorf("Error initializing bridge driver: %v", err) } netOption := options.Generic{ "BridgeName": config.Bridge.Iface, "Mtu": config.Mtu, "EnableIPMasquerade": config.Bridge.EnableIPMasq, "EnableICC": config.Bridge.InterContainerCommunication, } if config.Bridge.IP != "" { ip, bipNet, err := net.ParseCIDR(config.Bridge.IP) if err != nil { return err } bipNet.IP = ip netOption["AddressIPv4"] = bipNet } if config.Bridge.FixedCIDR != "" { _, fCIDR, err := net.ParseCIDR(config.Bridge.FixedCIDR) if err != nil { return err } netOption["FixedCIDR"] = fCIDR } if config.Bridge.FixedCIDRv6 != "" { _, fCIDRv6, err := net.ParseCIDR(config.Bridge.FixedCIDRv6) if err != nil { return err } netOption["FixedCIDRv6"] = fCIDRv6 } if config.Bridge.DefaultGatewayIPv4 != nil { netOption["DefaultGatewayIPv4"] = config.Bridge.DefaultGatewayIPv4 } if config.Bridge.DefaultGatewayIPv6 != nil { netOption["DefaultGatewayIPv6"] = config.Bridge.DefaultGatewayIPv6 } // --ip processing if config.Bridge.DefaultIP != nil { netOption["DefaultBindingIP"] = config.Bridge.DefaultIP } // Initialize default network on "bridge" with the same name _, err := controller.NewNetwork("bridge", "bridge", libnetwork.NetworkOptionGeneric(options.Generic{ netlabel.GenericData: netOption, netlabel.EnableIPv6: config.Bridge.EnableIPv6, })) if err != nil { return fmt.Errorf("Error creating default \"bridge\" network: %v", err) } return nil }