Golang JoinInfo.SetGateway方法代码示例

// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
	network, err := d.getNetwork(nid)
	if err != nil {
		return err
	}

	endpoint, err := network.getEndpoint(eid)
	if err != nil {
		return err
	}

	if endpoint == nil {
		return EndpointNotFoundError(eid)
	}

	endpoint.containerConfig, err = parseContainerOptions(options)
	if err != nil {
		return err
	}

	err = jinfo.SetGateway(network.bridge.gatewayIPv4)
	if err != nil {
		return err
	}

	err = jinfo.SetGatewayIPv6(network.bridge.gatewayIPv6)
	if err != nil {
		return err
	}

	return nil
}

// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid types.UUID, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
	join := &joinRequest{
		NetworkID:  string(nid),
		EndpointID: string(eid),
		SandboxKey: sboxKey,
		Options:    options,
	}
	var (
		res joinResponse
		err error
	)
	if err = d.call("Join", join, &res); err != nil {
		return err
	}

	// Expect each interface ID given by CreateEndpoint to have an
	// entry at that index in the names supplied here. In other words,
	// if you supply 0..n interfaces with IDs 0..n above, you should
	// supply the names in the same order.
	ifaceNames := res.InterfaceNames
	for _, iface := range jinfo.InterfaceNames() {
		i := iface.ID()
		if i >= len(ifaceNames) || i < 0 {
			return fmt.Errorf("no correlating interface %d in supplied interface names", i)
		}
		supplied := ifaceNames[i]
		if err := iface.SetNames(supplied.SrcName, supplied.DstName); err != nil {
			return errorWithRollback(fmt.Sprintf("failed to set interface name: %s", err), d.Leave(nid, eid))
		}
	}

	var addr net.IP
	if res.Gateway != "" {
		if addr = net.ParseIP(res.Gateway); addr == nil {
			return fmt.Errorf(`unable to parse Gateway "%s"`, res.Gateway)
		}
		if jinfo.SetGateway(addr) != nil {
			return errorWithRollback(fmt.Sprintf("failed to set gateway: %v", addr), d.Leave(nid, eid))
		}
	}
	if res.GatewayIPv6 != "" {
		if addr = net.ParseIP(res.GatewayIPv6); addr == nil {
			return fmt.Errorf(`unable to parse GatewayIPv6 "%s"`, res.GatewayIPv6)
		}
		if jinfo.SetGatewayIPv6(addr) != nil {
			return errorWithRollback(fmt.Sprintf("failed to set gateway IPv6: %v", addr), d.Leave(nid, eid))
		}
	}
	if jinfo.SetHostsPath(res.HostsPath) != nil {
		return errorWithRollback(fmt.Sprintf("failed to set hosts path: %s", res.HostsPath), d.Leave(nid, eid))
	}
	if jinfo.SetResolvConfPath(res.ResolvConfPath) != nil {
		return errorWithRollback(fmt.Sprintf("failed to set resolv.conf path: %s", res.ResolvConfPath), d.Leave(nid, eid))
	}
	return nil
}

// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
	join := &api.JoinRequest{
		NetworkID:  nid,
		EndpointID: eid,
		SandboxKey: sboxKey,
		Options:    options,
	}
	var (
		res api.JoinResponse
		err error
	)
	if err = d.call("Join", join, &res); err != nil {
		return err
	}

	ifaceName := res.InterfaceName
	if jinfo.InterfaceName() != nil && ifaceName == nil {
		return fmt.Errorf("no interface name information received while one is expected")
	}

	if iface := jinfo.InterfaceName(); iface != nil {
		if err := iface.SetNames(ifaceName.SrcName, ifaceName.DstPrefix); err != nil {
			return errorWithRollback(fmt.Sprintf("failed to set interface name: %s", err), d.Leave(nid, eid))
		}
	}

	var addr net.IP
	if res.Gateway != "" {
		if addr = net.ParseIP(res.Gateway); addr == nil {
			return fmt.Errorf(`unable to parse Gateway "%s"`, res.Gateway)
		}
		if jinfo.SetGateway(addr) != nil {
			return errorWithRollback(fmt.Sprintf("failed to set gateway: %v", addr), d.Leave(nid, eid))
		}
	}
	if res.GatewayIPv6 != "" {
		if addr = net.ParseIP(res.GatewayIPv6); addr == nil {
			return fmt.Errorf(`unable to parse GatewayIPv6 "%s"`, res.GatewayIPv6)
		}
		if jinfo.SetGatewayIPv6(addr) != nil {
			return errorWithRollback(fmt.Sprintf("failed to set gateway IPv6: %v", addr), d.Leave(nid, eid))
		}
	}
	if len(res.StaticRoutes) > 0 {
		routes, err := parseStaticRoutes(res)
		if err != nil {
			return err
		}
		for _, route := range routes {
			if jinfo.AddStaticRoute(route.Destination, route.RouteType, route.NextHop) != nil {
				return errorWithRollback(fmt.Sprintf("failed to set static route: %v", route), d.Leave(nid, eid))
			}
		}
	}
	return nil
}

// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid types.UUID, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
	defer sandbox.InitOSContext()()

	network, err := d.getNetwork(nid)
	if err != nil {
		return err
	}

	endpoint, err := network.getEndpoint(eid)
	if err != nil {
		return err
	}

	if endpoint == nil {
		return EndpointNotFoundError(eid)
	}

	for _, iNames := range jinfo.InterfaceNames() {
		// Make sure to set names on the correct interface ID.
		if iNames.ID() == ifaceID {
			err = iNames.SetNames(endpoint.srcName, containerVethPrefix)
			if err != nil {
				return err
			}
		}
	}

	err = jinfo.SetGateway(network.bridge.gatewayIPv4)
	if err != nil {
		return err
	}

	err = jinfo.SetGatewayIPv6(network.bridge.gatewayIPv6)
	if err != nil {
		return err
	}

	if !network.config.EnableICC {
		return d.link(network, endpoint, options, true)
	}

	return nil
}

// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
	defer osl.InitOSContext()()

	network, err := d.getNetwork(nid)
	if err != nil {
		return err
	}

	endpoint, err := network.getEndpoint(eid)
	if err != nil {
		return err
	}

	if endpoint == nil {
		return EndpointNotFoundError(eid)
	}

	endpoint.containerConfig, err = parseContainerOptions(options)
	if err != nil {
		return err
	}

	iNames := jinfo.InterfaceName()
	err = iNames.SetNames(endpoint.srcName, containerVethPrefix)
	if err != nil {
		return err
	}

	err = jinfo.SetGateway(network.bridge.gatewayIPv4)
	if err != nil {
		return err
	}

	err = jinfo.SetGatewayIPv6(network.bridge.gatewayIPv6)
	if err != nil {
		return err
	}

	return nil
}

// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
	network, err := d.getNetwork(nid)
	if err != nil {
		return err
	}

	// Ensure that the endpoint exists
	endpoint, err := network.getEndpoint(eid)
	if err != nil {
		return err
	}

	err = jinfo.SetGateway(endpoint.gateway)
	if err != nil {
		return err
	}

	// This is just a stub for now

	jinfo.DisableGatewayService()
	return nil
}

// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
	if err := validateID(nid, eid); err != nil {
		return err
	}

	n := d.network(nid)
	if n == nil {
		return fmt.Errorf("could not find network with id %s", nid)
	}

	ep := n.endpoint(eid)
	if ep == nil {
		return fmt.Errorf("could not find endpoint with id %s", eid)
	}

	if err := n.joinSandbox(); err != nil {
		return fmt.Errorf("network sandbox join failed: %v",
			err)
	}

	sbox := n.sandbox()

	name1, name2, err := createVethPair()
	if err != nil {
		return err
	}

	// Set the container interface and its peer MTU to 1450 to allow
	// for 50 bytes vxlan encap (inner eth header(14) + outer IP(20) +
	// outer UDP(8) + vxlan header(8))
	veth, err := netlink.LinkByName(name1)
	if err != nil {
		return fmt.Errorf("cound not find link by name %s: %v", name1, err)
	}
	err = netlink.LinkSetMTU(veth, vxlanVethMTU)
	if err != nil {
		return err
	}

	if err := sbox.AddInterface(name1, "veth",
		sbox.InterfaceOptions().Master("bridge1")); err != nil {
		return fmt.Errorf("could not add veth pair inside the network sandbox: %v", err)
	}

	veth, err = netlink.LinkByName(name2)
	if err != nil {
		return fmt.Errorf("could not find link by name %s: %v", name2, err)
	}
	err = netlink.LinkSetMTU(veth, vxlanVethMTU)
	if err != nil {
		return err
	}

	if err := netlink.LinkSetHardwareAddr(veth, ep.mac); err != nil {
		return fmt.Errorf("could not set mac address to the container interface: %v", err)
	}

	if iNames := jinfo.InterfaceName(); iNames != nil {
		err = iNames.SetNames(name2, "eth")
		if err != nil {
			return err
		}
	}

	err = jinfo.SetGateway(bridgeIP.IP)
	if err != nil {
		return err
	}

	d.peerDbAdd(nid, eid, ep.addr.IP, ep.mac,
		d.serfInstance.LocalMember().Addr, true)
	d.notifyCh <- ovNotify{
		action: "join",
		nid:    nid,
		eid:    eid,
	}

	return nil
}

// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
	defer osl.InitOSContext()()
	n, err := d.getNetwork(nid)
	if err != nil {
		return err
	}
	endpoint := n.endpoint(eid)
	if endpoint == nil {
		return fmt.Errorf("could not find endpoint with id %s", eid)
	}
	// generate a name for the iface that will be renamed to eth0 in the sbox
	containerIfName, err := netutils.GenerateIfaceName(ns.NlHandle(), vethPrefix, vethLen)
	if err != nil {
		return fmt.Errorf("error generating an interface name: %s", err)
	}
	// create the netlink macvlan interface
	vethName, err := createMacVlan(containerIfName, n.config.Parent, n.config.MacvlanMode)
	if err != nil {
		return err
	}
	// bind the generated iface name to the endpoint
	endpoint.srcName = vethName
	ep := n.endpoint(eid)
	if ep == nil {
		return fmt.Errorf("could not find endpoint with id %s", eid)
	}
	// parse and match the endpoint address with the available v4 subnets
	if len(n.config.Ipv4Subnets) > 0 {
		s := n.getSubnetforIPv4(ep.addr)
		if s == nil {
			return fmt.Errorf("could not find a valid ipv4 subnet for endpoint %s", eid)
		}
		v4gw, _, err := net.ParseCIDR(s.GwIP)
		if err != nil {
			return fmt.Errorf("gatway %s is not a valid ipv4 address: %v", s.GwIP, err)
		}
		err = jinfo.SetGateway(v4gw)
		if err != nil {
			return err
		}
		logrus.Debugf("Macvlan Endpoint Joined with IPv4_Addr: %s, Gateway: %s, MacVlan_Mode: %s, Parent: %s",
			ep.addr.IP.String(), v4gw.String(), n.config.MacvlanMode, n.config.Parent)
	}
	// parse and match the endpoint address with the available v6 subnets
	if len(n.config.Ipv6Subnets) > 0 {
		s := n.getSubnetforIPv6(ep.addrv6)
		if s == nil {
			return fmt.Errorf("could not find a valid ipv6 subnet for endpoint %s", eid)
		}
		v6gw, _, err := net.ParseCIDR(s.GwIP)
		if err != nil {
			return fmt.Errorf("gatway %s is not a valid ipv6 address: %v", s.GwIP, err)
		}
		err = jinfo.SetGatewayIPv6(v6gw)
		if err != nil {
			return err
		}
		logrus.Debugf("Macvlan Endpoint Joined with IPv6_Addr: %s Gateway: %s MacVlan_Mode: %s, Parent: %s",
			ep.addrv6.IP.String(), v6gw.String(), n.config.MacvlanMode, n.config.Parent)
	}
	iNames := jinfo.InterfaceName()
	err = iNames.SetNames(vethName, containerVethPrefix)
	if err != nil {
		return err
	}

	return nil
}

// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid types.UUID, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
	if err := validateID(nid, eid); err != nil {
		return err
	}

	n := d.network(nid)
	if n == nil {
		return fmt.Errorf("could not find network with id %s", nid)
	}

	ep := n.endpoint(eid)
	if ep == nil {
		return fmt.Errorf("could not find endpoint with id %s", eid)
	}

	if err := n.joinSandbox(); err != nil {
		return fmt.Errorf("network sandbox join failed: %v",
			err)
	}

	sbox := n.sandbox()

	name1, name2, err := createVethPair()
	if err != nil {
		return err
	}

	if err := sbox.AddInterface(name1, "veth",
		sbox.InterfaceOptions().Master("bridge1")); err != nil {
		return fmt.Errorf("could not add veth pair inside the network sandbox: %v", err)
	}

	veth, err := netlink.LinkByName(name2)
	if err != nil {
		return fmt.Errorf("could not find link by name %s: %v", name2, err)
	}

	if err := netlink.LinkSetHardwareAddr(veth, ep.mac); err != nil {
		return fmt.Errorf("could not set mac address to the container interface: %v", err)
	}

	for _, iNames := range jinfo.InterfaceNames() {
		// Make sure to set names on the correct interface ID.
		if iNames.ID() == 1 {
			err = iNames.SetNames(name2, "eth")
			if err != nil {
				return err
			}
		}
	}

	err = jinfo.SetGateway(bridgeIP.IP)
	if err != nil {
		return err
	}

	d.peerDbAdd(nid, eid, ep.addr.IP, ep.mac,
		d.serfInstance.LocalMember().Addr, true)
	d.notifyCh <- ovNotify{
		action: "join",
		nid:    nid,
		eid:    eid,
	}

	return nil
}

// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
	defer osl.InitOSContext()()
	n, err := d.getNetwork(nid)
	if err != nil {
		return err
	}
	endpoint := n.endpoint(eid)
	if endpoint == nil {
		return fmt.Errorf("could not find endpoint with id %s", eid)
	}
	// generate a name for the iface that will be renamed to eth0 in the sbox
	containerIfName, err := netutils.GenerateIfaceName(ns.NlHandle(), vethPrefix, vethLen)
	if err != nil {
		return fmt.Errorf("error generating an interface name: %v", err)
	}
	// create the netlink ipvlan interface
	vethName, err := createIPVlan(containerIfName, n.config.Parent, n.config.IpvlanMode)
	if err != nil {
		return err
	}
	// bind the generated iface name to the endpoint
	endpoint.srcName = vethName
	ep := n.endpoint(eid)
	if ep == nil {
		return fmt.Errorf("could not find endpoint with id %s", eid)
	}
	if n.config.IpvlanMode == modeL3 {
		// disable gateway services to add a default gw using dev eth0 only
		jinfo.DisableGatewayService()
		defaultRoute, err := ifaceGateway(defaultV4RouteCidr)
		if err != nil {
			return err
		}
		if err := jinfo.AddStaticRoute(defaultRoute.Destination, defaultRoute.RouteType, defaultRoute.NextHop); err != nil {
			return fmt.Errorf("failed to set an ipvlan l3 mode ipv4 default gateway: %v", err)
		}
		logrus.Debugf("Ipvlan Endpoint Joined with IPv4_Addr: %s, Ipvlan_Mode: %s, Parent: %s",
			ep.addr.IP.String(), n.config.IpvlanMode, n.config.Parent)
		// If the endpoint has a v6 address, set a v6 default route
		if ep.addrv6 != nil {
			default6Route, err := ifaceGateway(defaultV6RouteCidr)
			if err != nil {
				return err
			}
			if err = jinfo.AddStaticRoute(default6Route.Destination, default6Route.RouteType, default6Route.NextHop); err != nil {
				return fmt.Errorf("failed to set an ipvlan l3 mode ipv6 default gateway: %v", err)
			}
			logrus.Debugf("Ipvlan Endpoint Joined with IPv6_Addr: %s, Ipvlan_Mode: %s, Parent: %s",
				ep.addrv6.IP.String(), n.config.IpvlanMode, n.config.Parent)
		}
	}
	if n.config.IpvlanMode == modeL2 {
		// parse and correlate the endpoint v4 address with the available v4 subnets
		if len(n.config.Ipv4Subnets) > 0 {
			s := n.getSubnetforIPv4(ep.addr)
			if s == nil {
				return fmt.Errorf("could not find a valid ipv4 subnet for endpoint %s", eid)
			}
			v4gw, _, err := net.ParseCIDR(s.GwIP)
			if err != nil {
				return fmt.Errorf("gatway %s is not a valid ipv4 address: %v", s.GwIP, err)
			}
			err = jinfo.SetGateway(v4gw)
			if err != nil {
				return err
			}
			logrus.Debugf("Ipvlan Endpoint Joined with IPv4_Addr: %s, Gateway: %s, Ipvlan_Mode: %s, Parent: %s",
				ep.addr.IP.String(), v4gw.String(), n.config.IpvlanMode, n.config.Parent)
		}
		// parse and correlate the endpoint v6 address with the available v6 subnets
		if len(n.config.Ipv6Subnets) > 0 {
			s := n.getSubnetforIPv6(ep.addrv6)
			if s == nil {
				return fmt.Errorf("could not find a valid ipv6 subnet for endpoint %s", eid)
			}
			v6gw, _, err := net.ParseCIDR(s.GwIP)
			if err != nil {
				return fmt.Errorf("gatway %s is not a valid ipv6 address: %v", s.GwIP, err)
			}
			err = jinfo.SetGatewayIPv6(v6gw)
			if err != nil {
				return err
			}
			logrus.Debugf("Ipvlan Endpoint Joined with IPv6_Addr: %s, Gateway: %s, Ipvlan_Mode: %s, Parent: %s",
				ep.addrv6.IP.String(), v6gw.String(), n.config.IpvlanMode, n.config.Parent)
		}
	}
	iNames := jinfo.InterfaceName()
	err = iNames.SetNames(vethName, containerVethPrefix)
	if err != nil {
		return err
	}
	if err = d.storeUpdate(ep); err != nil {
		return fmt.Errorf("failed to save ipvlan endpoint %s to store: %v", ep.id[0:7], err)
	}

	return nil
}

// Join method is invoked when a Sandbox is attached to an endpoint.
func (d *driver) Join(nid, eid string, sboxKey string, jinfo driverapi.JoinInfo, options map[string]interface{}) error {
	join := &api.JoinRequest{
		NetworkID:  nid,
		EndpointID: eid,
		SandboxKey: sboxKey,
		Options:    options,
	}
	var (
		res api.JoinResponse
		err error
	)
	if err = d.call("Join", join, &res); err != nil {
		return err
	}

	// Expect each interface ID given by CreateEndpoint to have an
	// entry at that index in the names supplied here. In other words,
	// if you supply 0..n interfaces with IDs 0..n above, you should
	// supply the names in the same order.
	ifaceNames := res.InterfaceNames
	for _, iface := range jinfo.InterfaceNames() {
		i := iface.ID()
		if i >= len(ifaceNames) || i < 0 {
			return fmt.Errorf("no correlating interface %d in supplied interface names", i)
		}
		supplied := ifaceNames[i]
		if err := iface.SetNames(supplied.SrcName, supplied.DstPrefix); err != nil {
			return errorWithRollback(fmt.Sprintf("failed to set interface name: %s", err), d.Leave(nid, eid))
		}
	}

	var addr net.IP
	if res.Gateway != "" {
		if addr = net.ParseIP(res.Gateway); addr == nil {
			return fmt.Errorf(`unable to parse Gateway "%s"`, res.Gateway)
		}
		if jinfo.SetGateway(addr) != nil {
			return errorWithRollback(fmt.Sprintf("failed to set gateway: %v", addr), d.Leave(nid, eid))
		}
	}
	if res.GatewayIPv6 != "" {
		if addr = net.ParseIP(res.GatewayIPv6); addr == nil {
			return fmt.Errorf(`unable to parse GatewayIPv6 "%s"`, res.GatewayIPv6)
		}
		if jinfo.SetGatewayIPv6(addr) != nil {
			return errorWithRollback(fmt.Sprintf("failed to set gateway IPv6: %v", addr), d.Leave(nid, eid))
		}
	}
	if len(res.StaticRoutes) > 0 {
		routes, err := parseStaticRoutes(res)
		if err != nil {
			return err
		}
		for _, route := range routes {
			if jinfo.AddStaticRoute(route.Destination, route.RouteType, route.NextHop, route.InterfaceID) != nil {
				return errorWithRollback(fmt.Sprintf("failed to set static route: %v", route), d.Leave(nid, eid))
			}
		}
	}
	return nil
}