func (d *driver) CreateNetwork(id string, option map[string]interface{}, nInfo driverapi.NetworkInfo, ipV4Data, ipV6Data []driverapi.IPAMData) error {
if id == "" {
return fmt.Errorf("invalid network id")
}
if len(ipV4Data) == 0 || ipV4Data[0].Pool.String() == "0.0.0.0/0" {
return types.BadRequestErrorf("ipv4 pool is empty")
}
// Since we perform lazy configuration make sure we try
// configuring the driver when we enter CreateNetwork
if err := d.configure(); err != nil {
return err
}
n := &network{
id: id,
driver: d,
endpoints: endpointTable{},
once: &sync.Once{},
subnets: []*subnet{},
}
vnis := make([]uint32, 0, len(ipV4Data))
if gval, ok := option[netlabel.GenericData]; ok {
optMap := gval.(map[string]string)
if val, ok := optMap[netlabel.OverlayVxlanIDList]; ok {
logrus.Debugf("overlay: Received vxlan IDs: %s", val)
vniStrings := strings.Split(val, ",")
for _, vniStr := range vniStrings {
vni, err := strconv.Atoi(vniStr)
if err != nil {
return fmt.Errorf("invalid vxlan id value %q passed", vniStr)
}
vnis = append(vnis, uint32(vni))
}
}
if _, ok := optMap[secureOption]; ok {
n.secure = true
}
if val, ok := optMap[netlabel.DriverMTU]; ok {
var err error
if n.mtu, err = strconv.Atoi(val); err != nil {
return fmt.Errorf("failed to parse %v: %v", val, err)
}
if n.mtu < 0 {
return fmt.Errorf("invalid MTU value: %v", n.mtu)
}
}
}
// If we are getting vnis from libnetwork, either we get for
// all subnets or none.
if len(vnis) != 0 && len(vnis) < len(ipV4Data) {
return fmt.Errorf("insufficient vnis(%d) passed to overlay", len(vnis))
}
for i, ipd := range ipV4Data {
s := &subnet{
subnetIP: ipd.Pool,
gwIP: ipd.Gateway,
once: &sync.Once{},
}
if len(vnis) != 0 {
s.vni = vnis[i]
}
n.subnets = append(n.subnets, s)
}
if err := n.writeToStore(); err != nil {
return fmt.Errorf("failed to update data store for network %v: %v", n.id, err)
}
// Make sure no rule is on the way from any stale secure network
if !n.secure {
for _, vni := range vnis {
programMangle(vni, false)
}
}
if nInfo != nil {
if err := nInfo.TableEventRegister(ovPeerTable); err != nil {
return err
}
}
d.addNetwork(n)
return nil
}
func (d *driver) CreateNetwork(id string, option map[string]interface{}, nInfo driverapi.NetworkInfo, ipV4Data, ipV6Data []driverapi.IPAMData) error {
var (
networkName string
interfaceName string
)
if id == "" {
return fmt.Errorf("invalid network id")
}
if len(ipV4Data) == 0 || ipV4Data[0].Pool.String() == "0.0.0.0/0" {
return types.BadRequestErrorf("ipv4 pool is empty")
}
vnis := make([]uint32, 0, len(ipV4Data))
// Since we perform lazy configuration make sure we try
// configuring the driver when we enter CreateNetwork
if err := d.configure(); err != nil {
return err
}
n := &network{
id: id,
driver: d,
endpoints: endpointTable{},
subnets: []*subnet{},
}
genData, ok := option[netlabel.GenericData].(map[string]string)
if !ok {
return fmt.Errorf("Unknown generic data option")
}
for label, value := range genData {
switch label {
case "com.docker.network.windowsshim.networkname":
networkName = value
case "com.docker.network.windowsshim.interface":
interfaceName = value
case "com.docker.network.windowsshim.hnsid":
n.hnsId = value
case netlabel.OverlayVxlanIDList:
vniStrings := strings.Split(value, ",")
for _, vniStr := range vniStrings {
vni, err := strconv.Atoi(vniStr)
if err != nil {
return fmt.Errorf("invalid vxlan id value %q passed", vniStr)
}
vnis = append(vnis, uint32(vni))
}
}
}
// If we are getting vnis from libnetwork, either we get for
// all subnets or none.
if len(vnis) != 0 && len(vnis) < len(ipV4Data) {
return fmt.Errorf("insufficient vnis(%d) passed to overlay", len(vnis))
}
for i, ipd := range ipV4Data {
s := &subnet{
subnetIP: ipd.Pool,
gwIP: ipd.Gateway,
}
if len(vnis) != 0 {
s.vni = vnis[i]
}
n.subnets = append(n.subnets, s)
}
n.name = networkName
if n.name == "" {
n.name = id
}
n.interfaceName = interfaceName
if err := n.writeToStore(); err != nil {
return fmt.Errorf("failed to update data store for network %v: %v", n.id, err)
}
if nInfo != nil {
if err := nInfo.TableEventRegister(ovPeerTable); err != nil {
return err
}
}
d.addNetwork(n)
err := d.findHnsNetwork(n)
genData["com.docker.network.windowsshim.hnsid"] = n.hnsId
return err
}