Examples with GATEWAY org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY used on opensource projects

Example 1 with GATEWAY

use of org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY in project onos by opennetworkinglab.

the class OpenstackRoutingHandler method setGatewayRules.

private void setGatewayRules(Subnet osSubnet, Router osRouter, boolean install) {
    OpenstackNode srcNatGw = osNodeService.completeNodes(GATEWAY).stream().findFirst().orElse(null);
    if (srcNatGw == null) {
        return;
    }
    if (Strings.isNullOrEmpty(osSubnet.getGateway())) {
        // do nothing if no gateway is set
        return;
    }
    Network net = osNetworkAdminService.network(osSubnet.getNetworkId());
    Type netType = osNetworkAdminService.networkType(osSubnet.getNetworkId());
    Set<Subnet> routableSubnets = routableSubnets(osRouter, osSubnet.getId());
    // install rules to each compute node for routing IP packets to gateways
    osNodeService.completeNodes(COMPUTE).stream().filter(cNode -> cNode.dataIp() != null).forEach(cNode -> setRulesToGatewayWithRoutableSubnets(cNode, srcNatGw, net.getProviderSegID(), osSubnet, routableSubnets, netType, install));
    // install rules to punt ICMP packets to controller at gateway node
    // this rule is only valid for stateless ICMP SNAT case
    osNodeService.completeNodes(GATEWAY).forEach(gNode -> setReactiveGatewayIcmpRule(IpAddress.valueOf(osSubnet.getGateway()), gNode.intgBridge(), install));
    final String updateStr = install ? MSG_ENABLED : MSG_DISABLED;
    log.debug(updateStr + "IP to {}", osSubnet.getGateway());
}

Example 2 with GATEWAY

use of org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY in project onos by opennetworkinglab.

the class OpenstackRoutingSnatHandler method setStatefulSnatRules.

private void setStatefulSnatRules(RouterInterface routerIface, boolean install) {
    Subnet osSubnet = osNetworkAdminService.subnet(routerIface.getSubnetId());
    Network osNet = osNetworkAdminService.network(osSubnet.getNetworkId());
    Type netType = osNetworkAdminService.networkType(osSubnet.getNetworkId());
    if (netType == FLAT) {
        log.warn("FLAT typed network does not need SNAT rules");
        return;
    }
    Optional<Router> osRouter = osRouterService.routers().stream().filter(router -> routerIface.getId().equals(router.getId())).findAny();
    if (!osRouter.isPresent()) {
        log.warn("Cannot find a router attached with the given router interface {} ", routerIface);
        return;
    }
    IpAddress natAddress = externalGatewayIpSnatEnabled(osRouter.get(), osNetworkAdminService);
    if (natAddress == null) {
        log.debug("NAT address is not found");
        return;
    }
    IpAddress extRouterAddress = getGatewayIpAddress(osRouter.get());
    if (extRouterAddress == null) {
        log.warn("External router address is not found");
        return;
    }
    ExternalPeerRouter externalPeerRouter = osNetworkService.externalPeerRouter(extRouterAddress);
    if (externalPeerRouter == null) {
        log.warn("External peer router not found");
        return;
    }
    Map<OpenstackNode, PortRange> gwPortRangeMap = getAssignedPortsForGateway(ImmutableList.copyOf(osNodeService.nodes(GATEWAY)));
    osNodeService.completeNodes(GATEWAY).forEach(gwNode -> {
        if (install) {
            PortRange gwPortRange = gwPortRangeMap.get(gwNode);
            Map<String, PortRange> netPortRangeMap = getAssignedPortsForNet(getNetIdByRouterId(routerIface.getId()), gwPortRange.min(), gwPortRange.max());
            PortRange netPortRange = netPortRangeMap.get(osNet.getId());
            setStatefulSnatUpstreamRule(gwNode, natAddress, Long.parseLong(osNet.getProviderSegID()), externalPeerRouter, netPortRange.min(), netPortRange.max(), install);
        } else {
            setStatefulSnatUpstreamRule(gwNode, natAddress, Long.parseLong(osNet.getProviderSegID()), externalPeerRouter, 0, 0, install);
        }
    });
}

Example 3 with GATEWAY

use of org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY in project onos by opennetworkinglab.

the class OpenstackRoutingArpHandler method processArpPacket.

private void processArpPacket(PacketContext context, Ethernet ethernet) {
    ARP arp = (ARP) ethernet.getPayload();
    if (arp.getOpCode() == ARP.OP_REQUEST && ARP_PROXY_MODE.equals(getArpMode())) {
        if (log.isTraceEnabled()) {
            log.trace("ARP request received from {} for {}", Ip4Address.valueOf(arp.getSenderProtocolAddress()).toString(), Ip4Address.valueOf(arp.getTargetProtocolAddress()).toString());
        }
        IpAddress targetIp = Ip4Address.valueOf(arp.getTargetProtocolAddress());
        MacAddress targetMac = null;
        NetFloatingIP floatingIP = osRouterAdminService.floatingIps().stream().filter(ip -> ip.getFloatingIpAddress().equals(targetIp.toString())).findAny().orElse(null);
        // In case target ip is for associated floating ip, sets target mac to vm's.
        if (floatingIP != null && floatingIP.getPortId() != null) {
            InstancePort instPort = instancePortService.instancePort(floatingIP.getPortId());
            if (instPort == null) {
                log.trace("Unknown target ARP request for {}, ignore it", targetIp);
                return;
            } else {
                targetMac = instPort.macAddress();
            }
            OpenstackNode gw = getGwByInstancePort(osNodeService.completeNodes(GATEWAY), instPort);
            if (gw == null) {
                return;
            }
            // if the ARP packet_in received from non-relevant GWs, we simply ignore it
            if (!Objects.equals(gw.intgBridge(), context.inPacket().receivedFrom().deviceId())) {
                return;
            }
        }
        if (isExternalGatewaySourceIp(targetIp)) {
            targetMac = Constants.DEFAULT_GATEWAY_MAC;
        }
        if (targetMac == null) {
            log.trace("Unknown target ARP request for {}, ignore it", targetIp);
            return;
        }
        Ethernet ethReply = ARP.buildArpReply(targetIp.getIp4Address(), targetMac, ethernet);
        TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(context.inPacket().receivedFrom().port()).build();
        packetService.emit(new DefaultOutboundPacket(context.inPacket().receivedFrom().deviceId(), treatment, ByteBuffer.wrap(ethReply.serialize())));
        context.block();
    }
    if (arp.getOpCode() == ARP.OP_REPLY) {
        ConnectPoint cp = context.inPacket().receivedFrom();
        PortNumber receivedPortNum = cp.port();
        IpAddress spa = Ip4Address.valueOf(arp.getSenderProtocolAddress());
        MacAddress sha = MacAddress.valueOf(arp.getSenderHardwareAddress());
        log.debug("ARP reply ip: {}, mac: {}", spa, sha);
        try {
            Set<String> extRouterIps = osNetworkService.externalPeerRouters().stream().map(r -> r.ipAddress().toString()).collect(Collectors.toSet());
            // if SPA is NOT contained in existing external router IP set, we ignore it
            if (!extRouterIps.contains(spa.toString())) {
                return;
            }
            OpenstackNode node = osNodeService.node(cp.deviceId());
            if (node == null) {
                return;
            }
            // we only handles the ARP-Reply message received by gateway node
            if (node.type() != GATEWAY) {
                return;
            }
            if (receivedPortNum.equals(node.uplinkPortNum())) {
                osNetworkAdminService.updateExternalPeerRouterMac(spa, sha);
            }
        } catch (Exception e) {
            log.error("Exception occurred because of {}", e);
        }
    }
}

Example 4 with GATEWAY

use of org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY in project onos by opennetworkinglab.

the class OpenstackNorthSouthProbeCommand method doExecute.

@Override
protected void doExecute() {
    OpenstackTroubleshootService tsService = get(OpenstackTroubleshootService.class);
    InstancePortService instPortService = get(InstancePortService.class);
    OpenstackNodeService osNodeService = get(OpenstackNodeService.class);
    MastershipService mastershipService = get(MastershipService.class);
    ClusterService clusterService = get(ClusterService.class);
    if (tsService == null || osNodeService == null || instPortService == null || mastershipService == null) {
        error("Failed to troubleshoot openstack networking.");
        return;
    }
    if ((!isAll && vmIps == null) || (isAll && vmIps != null)) {
        print("Please specify one of VM IP address or -a option.");
        return;
    }
    NodeId localNodeId = clusterService.getLocalNode().id();
    for (OpenstackNode gw : osNodeService.completeNodes(GATEWAY)) {
        if (!localNodeId.equals(mastershipService.getMasterFor(gw.intgBridge()))) {
            error("Current node is not the master for all gateway nodes. " + "Please enforce mastership first using openstack-reset-mastership -c !");
            return;
        }
    }
    if (isAll) {
        printHeader();
        // send ICMP PACKET_OUT to all connect VMs whose instance port state is ACTIVE
        instPortService.instancePorts().stream().filter(p -> p.state() == ACTIVE).filter(p -> instPortService.floatingIp(p.portId()) != null).forEach(port -> printReachability(tsService.probeNorthSouth(port)));
    } else {
        final Set<InstancePort> ports = Sets.newConcurrentHashSet();
        for (String ip : vmIps) {
            instPortService.instancePorts().stream().filter(p -> p.state().equals(InstancePort.State.ACTIVE)).filter(p -> instPortService.floatingIp(p.portId()) != null).filter(p -> ip.equals(instPortService.floatingIp(p.portId()).toString())).forEach(ports::add);
        }
        printHeader();
        ports.forEach(port -> probeExecutor.execute(() -> printReachability(tsService.probeNorthSouth(port))));
    }
}