Examples with InstancePort org.onosproject.openstacknetworking.api.InstancePort used on opensource projects

Example 16 with InstancePort

use of org.onosproject.openstacknetworking.api.InstancePort in project onos by opennetworkinglab.

the class OpenstackFlowTraceCommand method doExecute.

@Override
protected void doExecute() {
    OpenstackNodeAdminService osNodeService = get(OpenstackNodeAdminService.class);
    InstancePortAdminService instancePortService = get(InstancePortAdminService.class);
    OpenstackNetworkAdminService osNetService = get(OpenstackNetworkAdminService.class);
    Optional<InstancePort> srcInstance = instancePortService.instancePorts().stream().filter(port -> port.ipAddress().toString().equals(srcIp)).findAny();
    if (!srcInstance.isPresent()) {
        print(NO_ELEMENT);
        return;
    }
    OpenstackNode srcNode = osNodeService.node(srcInstance.get().deviceId());
    if (srcNode == null || srcNode.sshAuthInfo() == null) {
        log.error("Openstack node {} is null or has no SSH authentication information.\n" + " Please refers to the sample network-cfg.json in " + "OpenstackNode app to push SSH authentication information", srcNode == null ? "" : srcNode.hostname());
        return;
    }
    if (dstIp.equals(osNetService.gatewayIp(srcInstance.get().portId()))) {
        dstIp = srcIp;
    }
    // print uplink flow trace result
    String requestStringUplink = traceRequestString(srcIp, dstIp, srcInstance.get(), osNetService, true);
    print(FLOW_TRACE_REQUEST_STRING_UPLINK + requestStringUplink);
    String requestStringDownlink = traceRequestString(srcIp, dstIp, srcInstance.get(), osNetService, false);
    print(FLOW_TRACE_REQUEST_STRING_DOWNLINK + requestStringDownlink);
    String traceResult = sendTraceRequestToNode(requestStringUplink + '\n' + requestStringDownlink, srcNode);
    print(traceResult);
}

Example 17 with InstancePort

use of org.onosproject.openstacknetworking.api.InstancePort in project onos by opennetworkinglab.

the class OpenstackRoutingSnatHandler method processSnatPacket.

private void processSnatPacket(PacketContext context, Ethernet eth) {
    if (getStatefulSnatFlag()) {
        return;
    }
    IPv4 iPacket = (IPv4) eth.getPayload();
    InboundPacket packetIn = context.inPacket();
    int patPort = getPortNum();
    InstancePort srcInstPort = instancePortService.instancePort(eth.getSourceMAC());
    if (srcInstPort == null) {
        log.error(ERR_PACKET_IN + "source host(MAC:{}) does not exist", eth.getSourceMAC());
        return;
    }
    IpAddress srcIp = IpAddress.valueOf(iPacket.getSourceAddress());
    Subnet srcSubnet = getSourceSubnet(srcInstPort, srcIp);
    Router osRouter = getRouterFromSubnet(srcSubnet, osRouterService);
    if (osRouter == null || osRouter.getExternalGatewayInfo() == null) {
        // this router does not have external connectivity
        log.warn("No router is associated with the given subnet {}", srcSubnet);
        return;
    }
    IpAddress externalGatewayIp = externalGatewayIpSnatEnabled(osRouter, osNetworkAdminService);
    if (externalGatewayIp == null) {
        return;
    }
    ExternalPeerRouter externalPeerRouter = externalPeerRouterFromSubnet(srcSubnet, osRouterService, osNetworkService);
    if (externalPeerRouter == null) {
        return;
    }
    populateSnatFlowRules(context.inPacket(), srcInstPort, TpPort.tpPort(patPort), externalGatewayIp, externalPeerRouter);
    packetOut(eth.duplicate(), packetIn.receivedFrom().deviceId(), patPort, externalGatewayIp, externalPeerRouter);
}

Example 18 with InstancePort

use of org.onosproject.openstacknetworking.api.InstancePort in project onos by opennetworkinglab.

the class OpenstackRoutingSnatHandler method getSourceSubnet.

private Subnet getSourceSubnet(InstancePort instance, IpAddress srcIp) {
    Port osPort = osNetworkService.port(instance.portId());
    IP fixedIp = osPort.getFixedIps().stream().filter(ip -> IpAddress.valueOf(ip.getIpAddress()).equals(srcIp)).findAny().orElse(null);
    if (fixedIp == null) {
        return null;
    }
    return osNetworkService.subnet(fixedIp.getSubnetId());
}

Example 19 with InstancePort

use of org.onosproject.openstacknetworking.api.InstancePort in project onos by opennetworkinglab.

the class OpenstackSwitchingArpHandler method processPacketIn.

/**
 * Processes ARP request packets.
 * It checks if the target IP is owned by a known host first and then ask to
 * OpenStack if it's not. This ARP proxy does not support overlapping IP.
 *
 * @param context   packet context
 * @param ethPacket ethernet packet
 */
private void processPacketIn(PacketContext context, Ethernet ethPacket) {
    // if the ARP mode is configured as broadcast mode, we simply ignore ARP packet_in
    if (ARP_BROADCAST_MODE.equals(getArpMode())) {
        return;
    }
    ARP arpPacket = (ARP) ethPacket.getPayload();
    if (arpPacket.getOpCode() != ARP.OP_REQUEST) {
        return;
    }
    InstancePort srcInstPort = instancePortService.instancePort(ethPacket.getSourceMAC());
    if (srcInstPort == null) {
        log.trace("Failed to find source instance port(MAC:{})", ethPacket.getSourceMAC());
        return;
    }
    IpAddress targetIp = Ip4Address.valueOf(arpPacket.getTargetProtocolAddress());
    MacAddress replyMac = isGatewayIp(targetIp) ? MacAddress.valueOf(gatewayMac) : getMacFromHostOpenstack(targetIp, srcInstPort.networkId());
    if (replyMac == MacAddress.NONE) {
        log.trace("Failed to find MAC address for {}", targetIp);
        return;
    }
    Ethernet ethReply = ARP.buildArpReply(targetIp.getIp4Address(), replyMac, ethPacket);
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(context.inPacket().receivedFrom().port()).build();
    packetService.emit(new DefaultOutboundPacket(context.inPacket().receivedFrom().deviceId(), treatment, ByteBuffer.wrap(ethReply.serialize())));
}

Example 20 with InstancePort

use of org.onosproject.openstacknetworking.api.InstancePort in project onos by opennetworkinglab.

the class OpenstackSwitchingHandler method setForwardingRulesForTunnel.

/**
 * Configures the flow rules which are used for L2 packet switching.
 * Note that these rules will be inserted in switching table (table 5).
 *
 * @param instPort instance port object
 * @param install install flag, add the rule if true, remove it otherwise
 */
private void setForwardingRulesForTunnel(InstancePort instPort, boolean install) {
    // switching rules for the instPorts in the same node
    TrafficSelector selector = DefaultTrafficSelector.builder().matchEthType(Ethernet.TYPE_IPV4).matchIPDst(instPort.ipAddress().toIpPrefix()).matchTunnelId(getVni(instPort)).build();
    TrafficTreatment treatment = DefaultTrafficTreatment.builder().setEthDst(instPort.macAddress()).setOutput(instPort.portNumber()).build();
    osFlowRuleService.setRule(appId, instPort.deviceId(), selector, treatment, PRIORITY_SWITCHING_RULE, FORWARDING_TABLE, install);
    // switching rules for the instPorts in the remote node
    OpenstackNode localNode = osNodeService.node(instPort.deviceId());
    if (localNode == null) {
        final String error = String.format("Cannot find openstack node for %s", instPort.deviceId());
        throw new IllegalStateException(error);
    }
    osNodeService.completeNodes(COMPUTE).stream().filter(remoteNode -> !remoteNode.intgBridge().equals(localNode.intgBridge())).forEach(remoteNode -> {
        PortNumber portNum = tunnelPortNumByNetId(instPort.networkId(), osNetworkService, remoteNode);
        TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder().extension(buildExtension(deviceService, remoteNode.intgBridge(), localNode.dataIp().getIp4Address()), remoteNode.intgBridge()).setOutput(portNum).build();
        osFlowRuleService.setRule(appId, remoteNode.intgBridge(), selector, treatmentToRemote, PRIORITY_SWITCHING_RULE, FORWARDING_TABLE, install);
    });
}