Examples with RouterId org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.rev200120.RouterId used on opensource projects

Example 86 with RouterId

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.rev200120.RouterId in project netvirt by opendaylight.

the class NaptFlowRemovedEventHandler method onFlowRemoved.

@Override
public void onFlowRemoved(FlowRemoved flowRemoved) {
    /*
        If the removed flow is from the OUTBOUND NAPT table :
        1) Get the ActionInfo of the flow.
        2) From the ActionInfo of the flow get the internal IP address, port and the protocol.
        3) Get the Metadata matching info of the flow.
        4) From the Metadata matching info of the flow get router ID.
        5) Querry the container intext-ip-port-map using the router ID
           and the internal IP address, port to get the external IP address, port
        6) Instantiate an NaptEntry event and populate the external IP address, port and the router ID.
        7) Place the NaptEntry event to the queue.
*/
    short tableId = flowRemoved.getTableId().toJava();
    RemovedFlowReason removedReasonFlag = flowRemoved.getReason();
    if (tableId == NwConstants.OUTBOUND_NAPT_TABLE && RemovedFlowReason.OFPRRIDLETIMEOUT.equals(removedReasonFlag)) {
        LOG.info("onFlowRemoved : triggered for table-{} entry", tableId);
        // Get the internal internal IP address and the port number from the IPv4 match.
        Ipv4Prefix internalIpv4Address = null;
        Layer3Match layer3Match = flowRemoved.getMatch().getLayer3Match();
        if (layer3Match instanceof Ipv4Match) {
            Ipv4Match internalIpv4Match = (Ipv4Match) layer3Match;
            internalIpv4Address = internalIpv4Match.getIpv4Source();
        }
        if (internalIpv4Address == null) {
            LOG.error("onFlowRemoved : Matching internal IP is null while retrieving the " + "value from the Outbound NAPT flow");
            return;
        }
        // Get the internal IP as a string
        String internalIpv4AddressAsString = internalIpv4Address.getValue();
        String[] internalIpv4AddressParts = internalIpv4AddressAsString.split("/");
        String internalIpv4HostAddress = null;
        if (internalIpv4AddressParts.length >= 1) {
            internalIpv4HostAddress = internalIpv4AddressParts[0];
        }
        // Get the protocol from the layer4 match
        NAPTEntryEvent.Protocol protocol = null;
        Integer internalPortNumber = null;
        Layer4Match layer4Match = flowRemoved.getMatch().getLayer4Match();
        if (layer4Match instanceof TcpMatch) {
            TcpMatchFields tcpMatchFields = (TcpMatchFields) layer4Match;
            internalPortNumber = tcpMatchFields.getTcpSourcePort().getValue().toJava();
            protocol = NAPTEntryEvent.Protocol.TCP;
        } else if (layer4Match instanceof UdpMatch) {
            UdpMatchFields udpMatchFields = (UdpMatchFields) layer4Match;
            internalPortNumber = udpMatchFields.getUdpSourcePort().getValue().toJava();
            protocol = NAPTEntryEvent.Protocol.UDP;
        }
        if (protocol == null) {
            LOG.error("onFlowRemoved : Matching protocol is null while retrieving the value " + "from the Outbound NAPT flow");
            return;
        }
        // Get the router ID from the metadata.
        Uint32 routerId;
        Uint64 metadata = flowRemoved.getMatch().getMetadata().getMetadata();
        if (MetaDataUtil.getNatRouterIdFromMetadata(metadata) != 0) {
            routerId = Uint32.valueOf(MetaDataUtil.getNatRouterIdFromMetadata(metadata));
        } else {
            LOG.error("onFlowRemoved : Null exception while retrieving routerId");
            return;
        }
        String flowDpn = NatUtil.getDpnFromNodeRef(flowRemoved.getNode());
        NAPTEntryEvent naptEntryEvent = new NAPTEntryEvent(internalIpv4HostAddress, internalPortNumber, flowDpn, routerId, NAPTEntryEvent.Operation.DELETE, protocol);
        naptEventdispatcher.addFlowRemovedNaptEvent(naptEntryEvent);
    } else {
        LOG.debug("onFlowRemoved : Received flow removed notification due to flowdelete from switch for flowref");
    }
}

Example 87 with RouterId

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.rev200120.RouterId in project netvirt by opendaylight.

the class NaptSwitchHA method isNaptSwitchDown.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public boolean isNaptSwitchDown(Routers extRouter, Uint32 routerId, Uint64 dpnId, Uint64 naptSwitch, Uint32 routerVpnId, Collection<String> externalIpCache, boolean isClearBgpRts, TypedReadWriteTransaction<Configuration> confTx) throws ExecutionException, InterruptedException {
    externalIpsCache = externalIpCache;
    String routerName = extRouter.getRouterName();
    if (!naptSwitch.equals(dpnId)) {
        LOG.debug("isNaptSwitchDown : DpnId {} is not a naptSwitch {} for Router {}", dpnId, naptSwitch, routerName);
        return false;
    }
    LOG.debug("NaptSwitch {} is down for Router {}", naptSwitch, routerName);
    if (routerId == NatConstants.INVALID_ID) {
        LOG.error("isNaptSwitchDown : Invalid routerId returned for routerName {}", routerName);
        return true;
    }
    Uuid networkId = extRouter.getNetworkId();
    String vpnName = getExtNetworkVpnName(routerName, networkId);
    // elect a new NaptSwitch
    naptSwitch = naptSwitchSelector.selectNewNAPTSwitch(routerName, Arrays.asList(naptSwitch));
    if (natMode == NatMode.Conntrack) {
        Routers extRouters = NatUtil.getRoutersFromConfigDS(dataBroker, routerName);
        natServiceManager.notify(confTx, extRouters, null, dpnId, dpnId, SnatServiceManager.Action.CNT_ROUTER_ALL_SWITCH_DISBL);
        if (extRouters.isEnableSnat()) {
            natServiceManager.notify(confTx, extRouters, null, dpnId, dpnId, SnatServiceManager.Action.SNAT_ALL_SWITCH_DISBL);
        }
        natServiceManager.notify(confTx, extRouters, null, naptSwitch, naptSwitch, SnatServiceManager.Action.CNT_ROUTER_ALL_SWITCH_ENBL);
        if (extRouters.isEnableSnat()) {
            natServiceManager.notify(confTx, extRouters, null, naptSwitch, naptSwitch, SnatServiceManager.Action.SNAT_ALL_SWITCH_ENBL);
        }
    } else {
        if (naptSwitch.equals(Uint64.ZERO)) {
            LOG.warn("isNaptSwitchDown : No napt switch is elected since all the switches for router {}" + " are down. SNAT IS NOT SUPPORTED FOR ROUTER {}", routerName, routerName);
            boolean naptUpdatedStatus = updateNaptSwitch(routerName, naptSwitch);
            if (!naptUpdatedStatus) {
                LOG.debug("isNaptSwitchDown : Failed to update naptSwitch {} for router {} in ds", naptSwitch, routerName);
            }
            // clearBgpRoutes
            if (externalIpsCache != null) {
                if (vpnName != null) {
                    // if (externalIps != null) {
                    if (isClearBgpRts) {
                        LOG.debug("isNaptSwitchDown : Clearing both FIB entries and the BGP routes");
                        for (String externalIp : externalIpsCache) {
                            externalRouterListener.clearBgpRoutes(externalIp, vpnName);
                        }
                    } else {
                        LOG.debug("isNaptSwitchDown : Clearing the FIB entries but not the BGP routes");
                        String rd = NatUtil.getVpnRd(dataBroker, vpnName);
                        for (String externalIp : externalIpsCache) {
                            LOG.debug("isNaptSwitchDown : Removing Fib entry rd {} prefix {}", rd, externalIp);
                            fibManager.removeFibEntry(rd, externalIp, null, null);
                        }
                    }
                } else {
                    LOG.debug("isNaptSwitchDown : vpn is not associated to extn/w for router {}", routerName);
                }
            } else {
                LOG.debug("isNaptSwitchDown : No ExternalIps found for subnets under router {}, " + "no bgp routes need to be cleared", routerName);
            }
            return true;
        }
        // checking elected switch health status
        if (!NatUtil.getSwitchStatus(dataBroker, naptSwitch)) {
            LOG.error("isNaptSwitchDown : Newly elected Napt switch {} for router {} is down", naptSwitch, routerName);
            return true;
        }
        LOG.debug("isNaptSwitchDown : New NaptSwitch {} is up for Router {} and can proceed for flow installation", naptSwitch, routerName);
        // update napt model for new napt switch
        boolean naptUpdated = updateNaptSwitch(routerName, naptSwitch);
        if (naptUpdated) {
            // update group of ordinary switch point to naptSwitch tunnel port
            updateNaptSwitchBucketStatus(routerName, routerId, naptSwitch);
        } else {
            LOG.error("isNaptSwitchDown : Failed to update naptSwitch model for newNaptSwitch {} for router {}", naptSwitch, routerName);
        }
        // update table26 forward packets to table46(outbound napt table)
        FlowEntity flowEntity = buildSnatFlowEntityForNaptSwitch(naptSwitch, routerName, routerVpnId, NatConstants.ADD_FLOW);
        if (flowEntity == null) {
            LOG.error("isNaptSwitchDown : Failed to populate flowentity for router {} in naptSwitch {}", routerName, naptSwitch);
        } else {
            LOG.debug("isNaptSwitchDown : Successfully installed flow in naptSwitch {} for router {}", naptSwitch, routerName);
            mdsalManager.addFlow(confTx, flowEntity);
        }
        installSnatFlows(routerName, routerId, naptSwitch, routerVpnId, networkId, vpnName, confTx);
        boolean flowInstalledStatus = handleNatFlowsInNewNaptSwitch(routerName, routerId, dpnId, naptSwitch, routerVpnId, networkId);
        if (flowInstalledStatus) {
            LOG.debug("isNaptSwitchDown :Installed all active session flows in newNaptSwitch {} for routerName {}", naptSwitch, routerName);
        } else {
            LOG.error("isNaptSwitchDown : Failed to install flows in newNaptSwitch {} for routerId {}", naptSwitch, routerId);
        }
        // remove group in new naptswitch, coz this switch acted previously as ordinary switch
        Uint32 groupId = NatUtil.getUniqueId(idManager, NatConstants.SNAT_IDPOOL_NAME, NatUtil.getGroupIdKey(routerName));
        if (groupId != NatConstants.INVALID_ID) {
            try {
                LOG.info("isNaptSwitchDown : Removing NAPT Group in new naptSwitch {}", naptSwitch);
                mdsalManager.removeGroup(confTx, naptSwitch, groupId.longValue());
            } catch (Exception ex) {
                LOG.error("isNaptSwitchDown : Failed to remove group in new naptSwitch {}", naptSwitch, ex);
            }
        } else {
            LOG.error("NAT Service : Unable to obtain groupId for router:{}", routerName);
        }
    }
    return true;
}

Example 88 with RouterId

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.rev200120.RouterId in project netvirt by opendaylight.

the class NatSouthboundEventHandlers method processInterfaceRemoved.

@SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD", justification = "https://github.com/spotbugs/spotbugs/issues/811")
private void processInterfaceRemoved(String portName, Uint64 dpnId, String routerId, List<ListenableFuture<?>> futures) {
    LOG.trace("processInterfaceRemoved : Processing Interface Removed Event for interface {} on DPN ID {}", portName, dpnId);
    List<InternalToExternalPortMap> intExtPortMapList = getIntExtPortMapListForPortName(portName, routerId);
    if (intExtPortMapList.isEmpty()) {
        LOG.debug("processInterfaceRemoved : Ip Mapping list is empty/null for portName {}", portName);
        return;
    }
    InstanceIdentifier<RouterPorts> portIid = NatUtil.buildRouterPortsIdentifier(routerId);
    ListenableFuture<?> future = txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, tx -> {
        for (InternalToExternalPortMap intExtPortMap : intExtPortMapList) {
            LOG.trace("processInterfaceRemoved : Removing DNAT Flow entries for dpnId {} ", dpnId);
            floatingIPListener.removeNATFlowEntries(portName, intExtPortMap, portIid, routerId, dpnId, tx);
        }
    });
    futures.add(future);
    try {
        future.get();
    } catch (InterruptedException | ExecutionException e) {
        LOG.error("Error processing interface removal", e);
    }
}

Example 89 with RouterId

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.rev200120.RouterId in project netvirt by opendaylight.

the class NatSouthboundEventHandlers method processInterfaceAdded.

@SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD", justification = "https://github.com/spotbugs/spotbugs/issues/811")
private void processInterfaceAdded(String portName, String routerId, Uint64 dpnId, VipState vipState) {
    LOG.trace("processInterfaceAdded : Processing Interface Add Event for interface {}", portName);
    List<InternalToExternalPortMap> intExtPortMapList = getIntExtPortMapListForPortName(portName, routerId);
    if (intExtPortMapList.isEmpty()) {
        LOG.debug("processInterfaceAdded : Ip Mapping list is empty/null for portname {}", portName);
        return;
    }
    InstanceIdentifier<RouterPorts> portIid = NatUtil.buildRouterPortsIdentifier(routerId);
    FluentFuture<?> future = txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, tx -> {
        for (InternalToExternalPortMap intExtPortMap : intExtPortMapList) {
            floatingIPListener.createNATFlowEntries(portName, intExtPortMap, portIid, routerId, dpnId, tx);
        }
    });
    future.transform((ignored) -> {
        if (vipState != null) {
            return this.vipStateTracker.writeVipState(vipState);
        }
        return null;
    }, MoreExecutors.directExecutor());
}

Example 90 with RouterId

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bmp.monitor.rev200120.RouterId in project netvirt by opendaylight.

the class NatTepChangeListener method hndlTepDelForSnatInEachRtr.

private void hndlTepDelForSnatInEachRtr(RoutersList router, Uint32 routerId, Uint64 dpnId, String srcTepIp, Boolean isFipExists, ProviderTypes extNwProvType, TypedReadWriteTransaction<Configuration> confTx) throws ExecutionException, InterruptedException {
    /*SNAT :
        1) Elect a new switch as the primary NAPT
        2) Advertise the new routes to BGP for the newly elected TEP IP as the DPN IP
        3) This will make sure old routes are withdrawn and new routes are advertised.
         */
    String routerName = router.getRouter();
    LOG.debug("hndlTepDelForSnatInEachRtr : SNAT -> Trying to clear routes to the External fixed IP associated " + "to the router {}", routerName);
    // Check if this is externalRouter else ignore
    InstanceIdentifier<Routers> extRoutersId = NatUtil.buildRouterIdentifier(routerName);
    Optional<Routers> routerData = Optional.empty();
    try {
        routerData = confTx.read(extRoutersId).get();
    } catch (InterruptedException | ExecutionException e) {
        LOG.error("Error retrieving routers {}", extRoutersId, e);
    }
    if (!routerData.isPresent()) {
        LOG.debug("hndlTepDelForSnatInEachRtr : SNAT->Ignoring TEP del for router {} since its not External Router", routerName);
        return;
    }
    // Check if the DPN having the router is the NAPT switch
    Uint64 naptId = NatUtil.getPrimaryNaptfromRouterName(dataBroker, routerName);
    if (naptId == null || naptId.equals(Uint64.ZERO) || !naptId.equals(dpnId)) {
        LOG.error("hndlTepDelForSnatInEachRtr : SNAT -> Ignoring TEP delete for the DPN {} since" + "srcTepIp : {} is NOT a NAPT switch", dpnId, srcTepIp);
        return;
    }
    if (natMode == NatMode.Conntrack) {
        Routers extRouter = routerData.get();
        natServiceManager.notify(confTx, extRouter, null, naptId, dpnId, SnatServiceManager.Action.CNT_ROUTER_DISBL);
        if (extRouter.isEnableSnat()) {
            natServiceManager.notify(confTx, extRouter, null, naptId, dpnId, SnatServiceManager.Action.SNAT_ROUTER_DISBL);
        }
    } else {
        Uuid networkId = routerData.get().getNetworkId();
        if (networkId == null) {
            LOG.error("hndlTepDelForSnatInEachRtr : SNAT -> Ignoring TEP delete for the DPN {} for router {}" + "as external network configuraton is missing", dpnId, routerName);
            return;
        }
        LOG.debug("hndlTepDelForSnatInEachRtr : SNAT->Router {} is associated with ext nw {}", routerId, networkId);
        Uuid bgpVpnUuid = NatUtil.getVpnForRouter(dataBroker, routerName);
        Uint32 bgpVpnId;
        if (bgpVpnUuid == null) {
            LOG.debug("hndlTepDelForSnatInEachRtr : SNAT->Internal VPN-ID {} associated to router {}", routerId, routerName);
            bgpVpnId = routerId;
        } else {
            bgpVpnId = NatUtil.getVpnId(dataBroker, bgpVpnUuid.getValue());
            if (bgpVpnId == NatConstants.INVALID_ID) {
                LOG.error("hndlTepDelForSnatInEachRtr :SNAT->Invalid Private BGP VPN ID returned for routerName {}", routerName);
                return;
            }
        }
        if (!isFipExists) {
            // Remove default entry in FIB to SNAT table
            LOG.debug("NAT Service : Installing default route in FIB on DPN {} for router {} with" + " vpn {}...", dpnId, routerName, bgpVpnId);
            defaultRouteProgrammer.installDefNATRouteInDPN(dpnId, bgpVpnId, routerId, confTx);
        }
        if (routerData.get().isEnableSnat()) {
            LOG.info("hndlTepDelForSnatInEachRtr : SNAT enabled for router {}", routerId);
            Uint32 routerVpnId = routerId;
            if (bgpVpnId != NatConstants.INVALID_ID) {
                LOG.debug("hndlTepDelForSnatInEachRtr : SNAT -> Private BGP VPN ID (Internal BGP VPN ID) {} " + "associated to the router {}", bgpVpnId, routerName);
                routerVpnId = bgpVpnId;
            } else {
                LOG.debug("hndlTepDelForSnatInEachRtr : SNAT -> Internal L3 VPN ID (Router ID) {} " + "associated to the router {}", routerVpnId, routerName);
            }
            // Re-elect the other available switch as the NAPT switch and program the NAT flows.
            String externalVpnName = NatUtil.getAssociatedVPN(dataBroker, routerData.get().getNetworkId());
            NatUtil.removeSNATFromDPN(dataBroker, mdsalManager, idManager, naptSwitchHA, dpnId, routerData.get(), routerId, routerVpnId, externalVpnName, extNwProvType, confTx);
        } else {
            LOG.info("hndlTepDelForSnatInEachRtr : SNAT is not enabled for router {} to handle addDPN event {}", routerId, dpnId);
        }
    }
}