Golang InterfaceInfo.SetMacAddress方法代码示例

func (d *driver) CreateEndpoint(nid, eid string, ifInfo driverapi.InterfaceInfo,
	epOptions map[string]interface{}) error {
	if err := validateID(nid, eid); err != nil {
		return err
	}

	n := d.network(nid)
	if n == nil {
		return fmt.Errorf("network id %q not found", nid)
	}

	ep := &endpoint{
		id:   eid,
		addr: ifInfo.Address(),
		mac:  ifInfo.MacAddress(),
	}

	if ep.addr == nil {
		return fmt.Errorf("create endpoint was not passed interface IP address")
	}

	if ep.mac == nil {
		ep.mac = netutils.GenerateMACFromIP(ep.addr.IP)
		if err := ifInfo.SetMacAddress(ep.mac); err != nil {
			return err
		}
	}

	n.addEndpoint(ep)

	return nil
}

func (d *driver) CreateEndpoint(nid, eid string, ifInfo driverapi.InterfaceInfo, epOptions map[string]interface{}) error {
	n, err := d.getNetwork(nid)
	if err != nil {
		return err
	}

	// Check if endpoint id is good and retrieve corresponding endpoint
	ep, err := n.getEndpoint(eid)
	if err == nil && ep != nil {
		return driverapi.ErrEndpointExists(eid)
	}

	endpointStruct := &hcsshim.HNSEndpoint{
		VirtualNetwork: n.config.HnsID,
	}

	// Convert the port mapping for the network
	if opt, ok := epOptions[netlabel.PortMap]; ok {
		if bs, ok := opt.([]types.PortBinding); ok {
			endpointStruct.Policies, err = convertPortBindings(bs)
			if err != nil {
				return err
			}
		} else {
			return fmt.Errorf("Invalid endpoint configuration for endpoint id%s", eid)
		}
	}

	configurationb, err := json.Marshal(endpointStruct)
	if err != nil {
		return err
	}

	hnsresponse, err := hcsshim.HNSEndpointRequest("POST", "", string(configurationb))
	if err != nil {
		return err
	}

	mac, err := net.ParseMAC(hnsresponse.MacAddress)
	if err != nil {
		return err
	}

	// TODO For now the ip mask is not in the info generated by HNS
	endpoint := &hnsEndpoint{
		id:         eid,
		addr:       &net.IPNet{IP: hnsresponse.IPAddress, Mask: hnsresponse.IPAddress.DefaultMask()},
		macAddress: mac,
	}
	endpoint.profileID = hnsresponse.Id
	n.Lock()
	n.endpoints[eid] = endpoint
	n.Unlock()

	ifInfo.SetIPAddress(endpoint.addr)
	ifInfo.SetMacAddress(endpoint.macAddress)

	return nil
}

func (d *driver) CreateEndpoint(nid, eid string, ifInfo driverapi.InterfaceInfo, epOptions map[string]interface{}) error {
	if ifInfo == nil {
		return errors.New("must not be called with nil InterfaceInfo")
	}

	reqIface := &api.EndpointInterface{}
	if ifInfo.Address() != nil {
		reqIface.Address = ifInfo.Address().String()
	}
	if ifInfo.AddressIPv6() != nil {
		reqIface.AddressIPv6 = ifInfo.AddressIPv6().String()
	}
	if ifInfo.MacAddress() != nil {
		reqIface.MacAddress = ifInfo.MacAddress().String()
	}

	create := &api.CreateEndpointRequest{
		NetworkID:  nid,
		EndpointID: eid,
		Interface:  reqIface,
		Options:    epOptions,
	}
	var res api.CreateEndpointResponse
	if err := d.call("CreateEndpoint", create, &res); err != nil {
		return err
	}

	inIface, err := parseInterface(res)
	if err != nil {
		return err
	}
	if inIface == nil {
		// Remote driver did not set any field
		return nil
	}

	if inIface.MacAddress != nil {
		if err := ifInfo.SetMacAddress(inIface.MacAddress); err != nil {
			return errorWithRollback(fmt.Sprintf("driver modified interface MAC address: %v", err), d.DeleteEndpoint(nid, eid))
		}
	}
	if inIface.Address != nil {
		if err := ifInfo.SetIPAddress(inIface.Address); err != nil {
			return errorWithRollback(fmt.Sprintf("driver modified interface address: %v", err), d.DeleteEndpoint(nid, eid))
		}
	}
	if inIface.AddressIPv6 != nil {
		if err := ifInfo.SetIPAddress(inIface.AddressIPv6); err != nil {
			return errorWithRollback(fmt.Sprintf("driver modified interface address: %v", err), d.DeleteEndpoint(nid, eid))
		}
	}

	return nil
}

// CreateEndpoint assigns the mac, ip and endpoint id for the new container
func (d *driver) CreateEndpoint(nid, eid string, ifInfo driverapi.InterfaceInfo,
	epOptions map[string]interface{}) error {
	defer osl.InitOSContext()()

	if err := validateID(nid, eid); err != nil {
		return err
	}
	n, err := d.getNetwork(nid)
	if err != nil {
		return fmt.Errorf("network id %q not found", nid)
	}
	ep := &endpoint{
		id:     eid,
		nid:    nid,
		addr:   ifInfo.Address(),
		addrv6: ifInfo.AddressIPv6(),
		mac:    ifInfo.MacAddress(),
	}
	if ep.addr == nil {
		return fmt.Errorf("create endpoint was not passed an IP address")
	}
	if ep.mac == nil {
		ep.mac = netutils.GenerateMACFromIP(ep.addr.IP)
		if err := ifInfo.SetMacAddress(ep.mac); err != nil {
			return err
		}
	}
	// disallow portmapping -p
	if opt, ok := epOptions[netlabel.PortMap]; ok {
		if _, ok := opt.([]types.PortBinding); ok {
			if len(opt.([]types.PortBinding)) > 0 {
				logrus.Warnf("%s driver does not support port mappings", macvlanType)
			}
		}
	}
	// disallow port exposure --expose
	if opt, ok := epOptions[netlabel.ExposedPorts]; ok {
		if _, ok := opt.([]types.TransportPort); ok {
			if len(opt.([]types.TransportPort)) > 0 {
				logrus.Warnf("%s driver does not support port exposures", macvlanType)
			}
		}
	}

	if err := d.storeUpdate(ep); err != nil {
		return fmt.Errorf("failed to save macvlan endpoint %s to store: %v", ep.id[0:7], err)
	}

	n.addEndpoint(ep)

	return nil
}

//.........这里部分代码省略.........
	if err = netlink.LinkAdd(veth); err != nil {
		return types.InternalErrorf("failed to add the host (%s) <=> sandbox (%s) pair interfaces: %v", hostIfName, containerIfName, err)
	}

	// Get the host side pipe interface handler
	host, err := netlink.LinkByName(hostIfName)
	if err != nil {
		return types.InternalErrorf("failed to find host side interface %s: %v", hostIfName, err)
	}
	defer func() {
		if err != nil {
			netlink.LinkDel(host)
		}
	}()

	// Get the sandbox side pipe interface handler
	sbox, err := netlink.LinkByName(containerIfName)
	if err != nil {
		return types.InternalErrorf("failed to find sandbox side interface %s: %v", containerIfName, err)
	}
	defer func() {
		if err != nil {
			netlink.LinkDel(sbox)
		}
	}()

	n.Lock()
	config := n.config
	n.Unlock()

	// Add bridge inherited attributes to pipe interfaces
	if config.Mtu != 0 {
		err = netlink.LinkSetMTU(host, config.Mtu)
		if err != nil {
			return types.InternalErrorf("failed to set MTU on host interface %s: %v", hostIfName, err)
		}
		err = netlink.LinkSetMTU(sbox, config.Mtu)
		if err != nil {
			return types.InternalErrorf("failed to set MTU on sandbox interface %s: %v", containerIfName, err)
		}
	}

	// Attach host side pipe interface into the bridge
	if err = addToBridge(hostIfName, config.BridgeName); err != nil {
		return fmt.Errorf("adding interface %s to bridge %s failed: %v", hostIfName, config.BridgeName, err)
	}

	if !dconfig.EnableUserlandProxy {
		err = setHairpinMode(host, true)
		if err != nil {
			return err
		}
	}

	// Store the sandbox side pipe interface parameters
	endpoint.srcName = containerIfName
	endpoint.macAddress = ifInfo.MacAddress()
	endpoint.addr = ifInfo.Address()
	endpoint.addrv6 = ifInfo.AddressIPv6()

	// Set the sbox's MAC if not provided. If specified, use the one configured by user, otherwise generate one based on IP.
	if endpoint.macAddress == nil {
		endpoint.macAddress = electMacAddress(epConfig, endpoint.addr.IP)
		if err = ifInfo.SetMacAddress(endpoint.macAddress); err != nil {
			return err
		}
	}

	// Up the host interface after finishing all netlink configuration
	if err = netlink.LinkSetUp(host); err != nil {
		return fmt.Errorf("could not set link up for host interface %s: %v", hostIfName, err)
	}

	if endpoint.addrv6 == nil && config.EnableIPv6 {
		var ip6 net.IP
		network := n.bridge.bridgeIPv6
		if config.AddressIPv6 != nil {
			network = config.AddressIPv6
		}

		ones, _ := network.Mask.Size()
		if ones > 80 {
			err = types.ForbiddenErrorf("Cannot self generate an IPv6 address on network %v: At least 48 host bits are needed.", network)
			return err
		}

		ip6 = make(net.IP, len(network.IP))
		copy(ip6, network.IP)
		for i, h := range endpoint.macAddress {
			ip6[i+10] = h
		}

		endpoint.addrv6 = &net.IPNet{IP: ip6, Mask: network.Mask}
		if err = ifInfo.SetIPAddress(endpoint.addrv6); err != nil {
			return err
		}
	}

	return nil
}

func (d *driver) CreateEndpoint(nid, eid string, ifInfo driverapi.InterfaceInfo, epOptions map[string]interface{}) error {
	n, err := d.getNetwork(nid)
	if err != nil {
		return err
	}

	// Check if endpoint id is good and retrieve corresponding endpoint
	ep, err := n.getEndpoint(eid)
	if err == nil && ep != nil {
		return driverapi.ErrEndpointExists(eid)
	}

	endpointStruct := &hcsshim.HNSEndpoint{
		VirtualNetwork: n.config.HnsID,
	}

	ec, err := parseEndpointOptions(epOptions)

	macAddress := ifInfo.MacAddress()
	// Use the macaddress if it was provided
	if macAddress != nil {
		endpointStruct.MacAddress = strings.Replace(macAddress.String(), ":", "-", -1)
	}

	endpointStruct.Policies, err = convertPortBindings(ec.PortBindings)
	if err != nil {
		return err
	}

	qosPolicies, err := convertQosPolicies(ec.QosPolicies)
	if err != nil {
		return err
	}
	endpointStruct.Policies = append(endpointStruct.Policies, qosPolicies...)

	if ifInfo.Address() != nil {
		endpointStruct.IPAddress = ifInfo.Address().IP
	}

	configurationb, err := json.Marshal(endpointStruct)
	if err != nil {
		return err
	}

	hnsresponse, err := hcsshim.HNSEndpointRequest("POST", "", string(configurationb))
	if err != nil {
		return err
	}

	mac, err := net.ParseMAC(hnsresponse.MacAddress)
	if err != nil {
		return err
	}

	// TODO For now the ip mask is not in the info generated by HNS
	endpoint := &hnsEndpoint{
		id:         eid,
		addr:       &net.IPNet{IP: hnsresponse.IPAddress, Mask: hnsresponse.IPAddress.DefaultMask()},
		macAddress: mac,
	}

	endpoint.profileID = hnsresponse.Id
	endpoint.config = ec
	endpoint.portMapping, err = parsePortBindingPolicies(hnsresponse.Policies)

	if err != nil {
		hcsshim.HNSEndpointRequest("DELETE", hnsresponse.Id, "")
		return err
	}

	n.Lock()
	n.endpoints[eid] = endpoint
	n.Unlock()

	if ifInfo.Address() == nil {
		ifInfo.SetIPAddress(endpoint.addr)
	}

	if macAddress == nil {
		ifInfo.SetMacAddress(endpoint.macAddress)
	}

	return nil
}

func (d *driver) CreateEndpoint(nid, eid string, ifInfo driverapi.InterfaceInfo, epOptions map[string]interface{}) error {
	if ifInfo == nil {
		return errors.New("invalid interface passed")
	}

	// Get the network handler and make sure it exists
	d.Lock()
	n, ok := d.networks[nid]
	d.Unlock()

	if !ok {
		return types.NotFoundErrorf("network %s does not exist", nid)
	}
	if n == nil {
		return driverapi.ErrNoNetwork(nid)
	}

	// Sanity check
	n.Lock()
	if n.id != nid {
		n.Unlock()
		return InvalidNetworkIDError(nid)
	}
	n.Unlock()

	// Check if endpoint id is good and retrieve correspondent endpoint
	ep, err := n.getEndpoint(eid)
	if err != nil {
		return err
	}

	// Endpoint with that id exists either on desired or other sandbox
	if ep != nil {
		return driverapi.ErrEndpointExists(eid)
	}

	// Try to convert the options to endpoint configuration
	epConfig, err := parseEndpointOptions(epOptions)
	if err != nil {
		return err
	}

	// Create and add the endpoint
	n.Lock()
	endpoint := &bridgeEndpoint{id: eid, config: epConfig}
	n.endpoints[eid] = endpoint
	n.Unlock()

	// On failure make sure to remove the endpoint
	defer func() {
		if err != nil {
			n.Lock()
			delete(n.endpoints, eid)
			n.Unlock()
		}
	}()

	// Create the sandbox side pipe interface
	if ifInfo.MacAddress() == nil {
		// No MAC address assigned to interface. Generate a random MAC to assign
		endpoint.macAddress = netutils.GenerateRandomMAC()
		if err := ifInfo.SetMacAddress(endpoint.macAddress); err != nil {
			logrus.Warnf("Unable to set mac address: %s to endpoint: %s",
				endpoint.macAddress.String(), endpoint.id)
			return err
		}
	} else {
		endpoint.macAddress = ifInfo.MacAddress()
	}
	endpoint.addr = ifInfo.Address()
	endpoint.addrv6 = ifInfo.AddressIPv6()
	c := n.config

	// Program any required port mapping and store them in the endpoint
	endpoint.portMapping, err = n.allocatePorts(endpoint, c.DefaultBindingIntf, c.DefaultBindingIP, true)
	if err != nil {
		return err
	}

	return nil
}

//.........这里部分代码省略.........
		if err != nil {
			return types.InternalErrorf("failed to set MTU on sandbox interface %s: %v", containerIfName, err)
		}
	}

	// Attach host side pipe interface into the bridge
	if err = addToBridge(hostIfName, config.BridgeName); err != nil {
		return fmt.Errorf("adding interface %s to bridge %s failed: %v", hostIfName, config.BridgeName, err)
	}

	if !dconfig.EnableUserlandProxy {
		err = setHairpinMode(host, true)
		if err != nil {
			return err
		}
	}

	// v4 address for the sandbox side pipe interface
	ip4, err := ipAllocator.RequestIP(n.bridge.bridgeIPv4, nil)
	if err != nil {
		return err
	}
	ipv4Addr := &net.IPNet{IP: ip4, Mask: n.bridge.bridgeIPv4.Mask}

	// Down the interface before configuring mac address.
	if err = netlink.LinkSetDown(sbox); err != nil {
		return fmt.Errorf("could not set link down for container interface %s: %v", containerIfName, err)
	}

	// Set the sbox's MAC. If specified, use the one configured by user, otherwise generate one based on IP.
	mac := electMacAddress(epConfig, ip4)
	err = netlink.LinkSetHardwareAddr(sbox, mac)
	if err != nil {
		return fmt.Errorf("could not set mac address for container interface %s: %v", containerIfName, err)
	}
	endpoint.macAddress = mac

	// Up the host interface after finishing all netlink configuration
	if err = netlink.LinkSetUp(host); err != nil {
		return fmt.Errorf("could not set link up for host interface %s: %v", hostIfName, err)
	}

	// v6 address for the sandbox side pipe interface
	ipv6Addr = &net.IPNet{}
	if config.EnableIPv6 {
		var ip6 net.IP

		network := n.bridge.bridgeIPv6
		if config.FixedCIDRv6 != nil {
			network = config.FixedCIDRv6
		}

		ones, _ := network.Mask.Size()
		if ones <= 80 {
			ip6 = make(net.IP, len(network.IP))
			copy(ip6, network.IP)
			for i, h := range mac {
				ip6[i+10] = h
			}
		}

		ip6, err := ipAllocator.RequestIP(network, ip6)
		if err != nil {
			return err
		}

		ipv6Addr = &net.IPNet{IP: ip6, Mask: network.Mask}
	}

	// Create the sandbox side pipe interface
	endpoint.srcName = containerIfName
	endpoint.addr = ipv4Addr

	if config.EnableIPv6 {
		endpoint.addrv6 = ipv6Addr
	}

	// Program any required port mapping and store them in the endpoint
	endpoint.portMapping, err = n.allocatePorts(epConfig, endpoint, config.DefaultBindingIP, d.config.EnableUserlandProxy)
	if err != nil {
		return err
	}

	err = ifInfo.SetMacAddress(endpoint.macAddress)
	if err != nil {
		return err
	}
	err = ifInfo.SetIPAddress(ipv4Addr)
	if err != nil {
		return err
	}
	if config.EnableIPv6 {
		err = ifInfo.SetIPAddress(ipv6Addr)
		if err != nil {
			return err
		}
	}

	return nil
}

func (d *driver) CreateEndpoint(nid, eid string, ifInfo driverapi.InterfaceInfo,
	epOptions map[string]interface{}) error {
	var err error
	if err = validateID(nid, eid); err != nil {
		return err
	}

	// Since we perform lazy configuration make sure we try
	// configuring the driver when we enter CreateEndpoint since
	// CreateNetwork may not be called in every node.
	if err := d.configure(); err != nil {
		return err
	}

	n := d.network(nid)
	if n == nil {
		return fmt.Errorf("network id %q not found", nid)
	}

	ep := &endpoint{
		id:   eid,
		nid:  n.id,
		addr: ifInfo.Address(),
		mac:  ifInfo.MacAddress(),
	}

	if ep.addr == nil {
		return fmt.Errorf("create endpoint was not passed interface IP address")
	}

	if s := n.getSubnetforIP(ep.addr); s == nil {
		return fmt.Errorf("no matching subnet for IP %q in network %q\n", ep.addr, nid)
	}

	// Todo: Add port bindings and qos policies here

	hnsEndpoint := &hcsshim.HNSEndpoint{
		VirtualNetwork:    n.hnsId,
		IPAddress:         ep.addr.IP,
		EnableInternalDNS: true,
	}

	if ep.mac != nil {
		hnsEndpoint.MacAddress = ep.mac.String()
	}

	paPolicy, err := json.Marshal(hcsshim.PaPolicy{
		Type: "PA",
		PA:   n.providerAddress,
	})

	if err != nil {
		return err
	}

	hnsEndpoint.Policies = append(hnsEndpoint.Policies, paPolicy)

	configurationb, err := json.Marshal(hnsEndpoint)
	if err != nil {
		return err
	}

	hnsresponse, err := hcsshim.HNSEndpointRequest("POST", "", string(configurationb))
	if err != nil {
		return err
	}

	ep.profileId = hnsresponse.Id

	if ep.mac == nil {
		ep.mac, err = net.ParseMAC(hnsresponse.MacAddress)
		if err != nil {
			return err
		}

		if err := ifInfo.SetMacAddress(ep.mac); err != nil {
			return err
		}
	}

	n.addEndpoint(ep)
	if err := d.writeEndpointToStore(ep); err != nil {
		return fmt.Errorf("failed to update overlay endpoint %s to local store: %v", ep.id[0:7], err)
	}

	return nil
}

//.........这里部分代码省略.........
		}
		err = netlink.LinkSetMTU(sbox, config.Mtu)
		if err != nil {
			return types.InternalErrorf("failed to set MTU on sandbox interface %s: %v", containerIfName, err)
		}
	}

	// Attach host side pipe interface into the bridge
	if err = addToBridge(hostIfName, config.BridgeName); err != nil {
		return fmt.Errorf("adding interface %s to bridge %s failed: %v", hostIfName, config.BridgeName, err)
	}

	if !dconfig.EnableUserlandProxy {
		err = setHairpinMode(host, true)
		if err != nil {
			return err
		}
	}

	// Create the sandbox side pipe interface
	endpoint.srcName = containerIfName
	endpoint.macAddress = ifInfo.MacAddress()
	endpoint.addr = ifInfo.Address()
	endpoint.addrv6 = ifInfo.AddressIPv6()

	// Down the interface before configuring mac address.
	if err = netlink.LinkSetDown(sbox); err != nil {
		return fmt.Errorf("could not set link down for container interface %s: %v", containerIfName, err)
	}

	// Set the sbox's MAC. If specified, use the one configured by user, otherwise generate one based on IP.
	if endpoint.macAddress == nil {
		endpoint.macAddress = electMacAddress(epConfig, endpoint.addr.IP)
		if err := ifInfo.SetMacAddress(endpoint.macAddress); err != nil {
			return err
		}
	}
	err = netlink.LinkSetHardwareAddr(sbox, endpoint.macAddress)
	if err != nil {
		return fmt.Errorf("could not set mac address for container interface %s: %v", containerIfName, err)
	}

	// Up the host interface after finishing all netlink configuration
	if err = netlink.LinkSetUp(host); err != nil {
		return fmt.Errorf("could not set link up for host interface %s: %v", hostIfName, err)
	}

	if endpoint.addrv6 == nil && config.EnableIPv6 {
		var ip6 net.IP
		network := n.bridge.bridgeIPv6
		if config.AddressIPv6 != nil {
			network = config.AddressIPv6
		}

		ones, _ := network.Mask.Size()
		if ones > 80 {
			err = types.ForbiddenErrorf("Cannot self generate an IPv6 address on network %v: At least 48 host bits are needed.", network)
			return err
		}

		ip6 = make(net.IP, len(network.IP))
		copy(ip6, network.IP)
		for i, h := range endpoint.macAddress {
			ip6[i+10] = h
		}