Golang driverapi.NetworkInfo类代码示例

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
}