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
}