func (daemon *Daemon) initNetworkController(config *Config) (libnetwork.NetworkController, error) {
netOptions, err := daemon.networkOptions(config)
if err != nil {
return nil, err
}
controller, err := libnetwork.New(netOptions...)
if err != nil {
return nil, fmt.Errorf("error obtaining controller instance: %v", err)
}
hnsresponse, err := hcsshim.HNSListNetworkRequest("GET", "", "")
if err != nil {
return nil, err
}
// Remove networks not present in HNS
for _, v := range controller.Networks() {
options := v.Info().DriverOptions()
hnsid := options[winlibnetwork.HNSID]
found := false
for _, v := range hnsresponse {
if v.Id == hnsid {
found = true
break
}
}
if !found {
err = v.Delete()
if err != nil {
return nil, err
}
}
}
_, err = controller.NewNetwork("null", "none", libnetwork.NetworkOptionPersist(false))
if err != nil {
return nil, err
}
// discover and add HNS networks to windows
// network that exist are removed and added again
for _, v := range hnsresponse {
var n libnetwork.Network
s := func(current libnetwork.Network) bool {
options := current.Info().DriverOptions()
if options[winlibnetwork.HNSID] == v.Id {
n = current
return true
}
return false
}
controller.WalkNetworks(s)
if n != nil {
v.Name = n.Name()
n.Delete()
}
netOption := map[string]string{
winlibnetwork.NetworkName: v.Name,
winlibnetwork.HNSID: v.Id,
}
v4Conf := []*libnetwork.IpamConf{}
for _, subnet := range v.Subnets {
ipamV4Conf := libnetwork.IpamConf{}
ipamV4Conf.PreferredPool = subnet.AddressPrefix
ipamV4Conf.Gateway = subnet.GatewayAddress
v4Conf = append(v4Conf, &ipamV4Conf)
}
name := v.Name
// There is only one nat network supported in windows.
// If it exists with a different name add it as the default name
if runconfig.DefaultDaemonNetworkMode() == containertypes.NetworkMode(strings.ToLower(v.Type)) {
name = runconfig.DefaultDaemonNetworkMode().NetworkName()
}
v6Conf := []*libnetwork.IpamConf{}
_, err := controller.NewNetwork(strings.ToLower(v.Type), name,
libnetwork.NetworkOptionGeneric(options.Generic{
netlabel.GenericData: netOption,
}),
libnetwork.NetworkOptionIpam("default", "", v4Conf, v6Conf, nil),
)
if err != nil {
logrus.Errorf("Error occurred when creating network %v", err)
}
}
if !config.DisableBridge {
// Initialize default driver "bridge"
if err := initBridgeDriver(controller, config); err != nil {
return nil, err
}
}
return controller, nil
}
func (daemon *Daemon) initNetworkController(config *Config, activeSandboxes map[string]interface{}) (libnetwork.NetworkController, error) {
netOptions, err := daemon.networkOptions(config, nil, nil)
if err != nil {
return nil, err
}
controller, err := libnetwork.New(netOptions...)
if err != nil {
return nil, fmt.Errorf("error obtaining controller instance: %v", err)
}
hnsresponse, err := hcsshim.HNSListNetworkRequest("GET", "", "")
if err != nil {
return nil, err
}
// Remove networks not present in HNS
for _, v := range controller.Networks() {
options := v.Info().DriverOptions()
hnsid := options[winlibnetwork.HNSID]
found := false
for _, v := range hnsresponse {
if v.Id == hnsid {
found = true
break
}
}
if !found {
// global networks should not be deleted by local HNS
if v.Info().Scope() != datastore.GlobalScope {
err = v.Delete()
if err != nil {
logrus.Errorf("Error occurred when removing network %v", err)
}
}
}
}
_, err = controller.NewNetwork("null", "none", "", libnetwork.NetworkOptionPersist(false))
if err != nil {
return nil, err
}
defaultNetworkExists := false
if network, err := controller.NetworkByName(runconfig.DefaultDaemonNetworkMode().NetworkName()); err == nil {
options := network.Info().DriverOptions()
for _, v := range hnsresponse {
if options[winlibnetwork.HNSID] == v.Id {
defaultNetworkExists = true
break
}
}
}
// discover and add HNS networks to windows
// network that exist are removed and added again
for _, v := range hnsresponse {
var n libnetwork.Network
s := func(current libnetwork.Network) bool {
options := current.Info().DriverOptions()
if options[winlibnetwork.HNSID] == v.Id {
n = current
return true
}
return false
}
controller.WalkNetworks(s)
if n != nil {
// global networks should not be deleted by local HNS
if n.Info().Scope() == datastore.GlobalScope {
continue
}
v.Name = n.Name()
// This will not cause network delete from HNS as the network
// is not yet populated in the libnetwork windows driver
n.Delete()
}
netOption := map[string]string{
winlibnetwork.NetworkName: v.Name,
winlibnetwork.HNSID: v.Id,
}
v4Conf := []*libnetwork.IpamConf{}
for _, subnet := range v.Subnets {
ipamV4Conf := libnetwork.IpamConf{}
ipamV4Conf.PreferredPool = subnet.AddressPrefix
ipamV4Conf.Gateway = subnet.GatewayAddress
v4Conf = append(v4Conf, &ipamV4Conf)
}
name := v.Name
// If there is no nat network create one from the first NAT network
// encountered
if !defaultNetworkExists && runconfig.DefaultDaemonNetworkMode() == containertypes.NetworkMode(strings.ToLower(v.Type)) {
name = runconfig.DefaultDaemonNetworkMode().NetworkName()
defaultNetworkExists = true
}
v6Conf := []*libnetwork.IpamConf{}
_, err := controller.NewNetwork(strings.ToLower(v.Type), name, "",
libnetwork.NetworkOptionGeneric(options.Generic{
netlabel.GenericData: netOption,
}),
libnetwork.NetworkOptionIpam("default", "", v4Conf, v6Conf, nil),
)
if err != nil {
logrus.Errorf("Error occurred when creating network %v", err)
}
}
if !config.DisableBridge {
// Initialize default driver "bridge"
if err := initBridgeDriver(controller, config); err != nil {
return nil, err
}
}
return controller, nil
}
