// 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 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 n.secure && len(d.keys) == 0 {
return fmt.Errorf("cannot join secure network: encryption keys not present")
}
nlh := ns.NlHandle()
if n.secure && !nlh.SupportsNetlinkFamily(syscall.NETLINK_XFRM) {
return fmt.Errorf("cannot join secure network: required modules to install IPSEC rules are missing on host")
}
s := n.getSubnetforIP(ep.addr)
if s == nil {
return fmt.Errorf("could not find subnet for endpoint %s", eid)
}
if err := n.obtainVxlanID(s); err != nil {
return fmt.Errorf("couldn't get vxlan id for %q: %v", s.subnetIP.String(), err)
}
if err := n.joinSandbox(false); err != nil {
return fmt.Errorf("network sandbox join failed: %v", err)
}
if err := n.joinSubnetSandbox(s, false); err != nil {
return fmt.Errorf("subnet sandbox join failed for %q: %v", s.subnetIP.String(), err)
}
// joinSubnetSandbox gets called when an endpoint comes up on a new subnet in the
// overlay network. Hence the Endpoint count should be updated outside joinSubnetSandbox
n.incEndpointCount()
sbox := n.sandbox()
overlayIfName, containerIfName, err := createVethPair()
if err != nil {
return err
}
ep.ifName = containerIfName
if err := d.writeEndpointToStore(ep); err != nil {
return fmt.Errorf("failed to update overlay endpoint %s to local data store: %v", ep.id[0:7], 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))
mtu := n.maxMTU()
veth, err := nlh.LinkByName(overlayIfName)
if err != nil {
return fmt.Errorf("cound not find link by name %s: %v", overlayIfName, err)
}
err = nlh.LinkSetMTU(veth, mtu)
if err != nil {
return err
}
if err := sbox.AddInterface(overlayIfName, "veth",
sbox.InterfaceOptions().Master(s.brName)); err != nil {
return fmt.Errorf("could not add veth pair inside the network sandbox: %v", err)
}
veth, err = nlh.LinkByName(containerIfName)
if err != nil {
return fmt.Errorf("could not find link by name %s: %v", containerIfName, err)
}
err = nlh.LinkSetMTU(veth, mtu)
if err != nil {
return err
}
if err := nlh.LinkSetHardwareAddr(veth, ep.mac); err != nil {
return fmt.Errorf("could not set mac address (%v) to the container interface: %v", ep.mac, err)
}
for _, sub := range n.subnets {
if sub == s {
continue
}
if err := jinfo.AddStaticRoute(sub.subnetIP, types.NEXTHOP, s.gwIP.IP); err != nil {
log.Errorf("Adding subnet %s static route in network %q failed\n", s.subnetIP, n.id)
}
}
if iNames := jinfo.InterfaceName(); iNames != nil {
err = iNames.SetNames(containerIfName, "eth")
if err != nil {
return err
}
}
d.peerDbAdd(nid, eid, ep.addr.IP, ep.addr.Mask, ep.mac,
net.ParseIP(d.advertiseAddress), true)
if err := d.checkEncryption(nid, nil, n.vxlanID(s), true, true); err != nil {
log.Warn(err)
}
buf, err := proto.Marshal(&PeerRecord{
EndpointIP: ep.addr.String(),
EndpointMAC: ep.mac.String(),
TunnelEndpointIP: d.advertiseAddress,
})
if err != nil {
return err
}
if err := jinfo.AddTableEntry(ovPeerTable, eid, buf); err != nil {
log.Errorf("overlay: Failed adding table entry to joininfo: %v", err)
}
d.pushLocalEndpointEvent("join", 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 {
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)
}
s := n.getSubnetforIP(ep.addr)
if s == nil {
return fmt.Errorf("could not find subnet for endpoint %s", eid)
}
if err := n.obtainVxlanID(s); err != nil {
return fmt.Errorf("couldn't get vxlan id for %q: %v", s.subnetIP.String(), err)
}
if err := n.joinSandbox(); err != nil {
return fmt.Errorf("network sandbox join failed: %v", err)
}
if err := n.joinSubnetSandbox(s); err != nil {
return fmt.Errorf("subnet sandbox join failed for %q: %v", s.subnetIP.String(), err)
}
// joinSubnetSandbox gets called when an endpoint comes up on a new subnet in the
// overlay network. Hence the Endpoint count should be updated outside joinSubnetSandbox
n.incEndpointCount()
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(s.brName)); 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 (%v) to the container interface: %v", ep.mac, err)
}
for _, sub := range n.subnets {
if sub == s {
continue
}
if err := jinfo.AddStaticRoute(sub.subnetIP, types.NEXTHOP, s.gwIP.IP); err != nil {
log.Errorf("Adding subnet %s static route in network %q failed\n", s.subnetIP, n.id)
}
}
if iNames := jinfo.InterfaceName(); iNames != nil {
err = iNames.SetNames(name2, "eth")
if err != nil {
return err
}
}
d.peerDbAdd(nid, eid, ep.addr.IP, ep.addr.Mask, ep.mac,
net.ParseIP(d.bindAddress), true)
d.pushLocalEndpointEvent("join", 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 {
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 n.secure && len(d.keys) == 0 {
return fmt.Errorf("cannot join secure network: encryption keys not present")
}
s := n.getSubnetforIP(ep.addr)
if s == nil {
return fmt.Errorf("could not find subnet for endpoint %s", eid)
}
if err := n.obtainVxlanID(s); err != nil {
return fmt.Errorf("couldn't get vxlan id for %q: %v", s.subnetIP.String(), err)
}
if err := n.joinSandbox(false); err != nil {
return fmt.Errorf("network sandbox join failed: %v", err)
}
if err := n.joinSubnetSandbox(s, false); err != nil {
return fmt.Errorf("subnet sandbox join failed for %q: %v", s.subnetIP.String(), err)
}
// joinSubnetSandbox gets called when an endpoint comes up on a new subnet in the
// overlay network. Hence the Endpoint count should be updated outside joinSubnetSandbox
n.incEndpointCount()
// Add creating a veth Pair for Solaris
containerIfName := "solaris-if"
ep.ifName = containerIfName
if err := d.writeEndpointToStore(ep); err != nil {
return fmt.Errorf("failed to update overlay endpoint %s to local data store: %v", ep.id[0:7], err)
}
// Add solaris plumbing to add veth (with ep mac addr) to sandbox
for _, sub := range n.subnets {
if sub == s {
continue
}
if err := jinfo.AddStaticRoute(sub.subnetIP, types.NEXTHOP, s.gwIP.IP); err != nil {
log.Errorf("Adding subnet %s static route in network %q failed\n", s.subnetIP, n.id)
}
}
if iNames := jinfo.InterfaceName(); iNames != nil {
err := iNames.SetNames(containerIfName, "eth")
if err != nil {
return err
}
}
d.peerDbAdd(nid, eid, ep.addr.IP, ep.addr.Mask, ep.mac,
net.ParseIP(d.advertiseAddress), true)
if err := d.checkEncryption(nid, nil, n.vxlanID(s), true, true); err != nil {
log.Warn(err)
}
buf, err := proto.Marshal(&PeerRecord{
EndpointIP: ep.addr.String(),
EndpointMAC: ep.mac.String(),
TunnelEndpointIP: d.advertiseAddress,
})
if err != nil {
return err
}
if err := jinfo.AddTableEntry(ovPeerTable, eid, buf); err != nil {
log.Errorf("overlay: Failed adding table entry to joininfo: %v", err)
}
d.pushLocalEndpointEvent("join", 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 {
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
}