Examples with VrfEntry org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry used on opensource projects

Example 71 with VrfEntry

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry in project netvirt by opendaylight.

the class VrfEntryListener method createLocalFibEntry.

private List<BigInteger> createLocalFibEntry(Long vpnId, String rd, VrfEntry vrfEntry) {
    List<BigInteger> returnLocalDpnId = new ArrayList<>();
    String localNextHopIP = vrfEntry.getDestPrefix();
    Prefixes localNextHopInfo = fibUtil.getPrefixToInterface(vpnId, localNextHopIP);
    String vpnName = fibUtil.getVpnNameFromId(vpnId);
    if (localNextHopInfo == null) {
        List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnId, localNextHopIP);
        List<Routes> vpnExtraRoutes = VpnExtraRouteHelper.getAllVpnExtraRoutes(dataBroker, vpnName, usedRds, localNextHopIP);
        boolean localNextHopSeen = false;
        // Is this fib route an extra route? If yes, get the nexthop which would be an adjacency in the vpn
        for (Routes vpnExtraRoute : vpnExtraRoutes) {
            String ipPrefix;
            if (isIpv4Address(vpnExtraRoute.getNexthopIpList().get(0))) {
                ipPrefix = vpnExtraRoute.getNexthopIpList().get(0) + NwConstants.IPV4PREFIX;
            } else {
                ipPrefix = vpnExtraRoute.getNexthopIpList().get(0) + NwConstants.IPV6PREFIX;
            }
            Prefixes localNextHopInfoLocal = fibUtil.getPrefixToInterface(vpnId, ipPrefix);
            if (localNextHopInfoLocal != null) {
                localNextHopSeen = true;
                BigInteger dpnId = checkCreateLocalFibEntry(localNextHopInfoLocal, localNextHopInfoLocal.getIpAddress(), vpnId, rd, vrfEntry, vpnId, vpnExtraRoute, vpnExtraRoutes);
                returnLocalDpnId.add(dpnId);
            }
        }
        if (!localNextHopSeen && RouteOrigin.value(vrfEntry.getOrigin()) == RouteOrigin.SELF_IMPORTED) {
            java.util.Optional<Long> optionalLabel = FibUtil.getLabelFromRoutePaths(vrfEntry);
            if (optionalLabel.isPresent()) {
                Long label = optionalLabel.get();
                List<String> nextHopAddressList = FibHelper.getNextHopListFromRoutePaths(vrfEntry);
                synchronized (label.toString().intern()) {
                    LabelRouteInfo lri = getLabelRouteInfo(label);
                    if (isPrefixAndNextHopPresentInLri(localNextHopIP, nextHopAddressList, lri)) {
                        Optional<VpnInstanceOpDataEntry> vpnInstanceOpDataEntryOptional = fibUtil.getVpnInstanceOpData(rd);
                        if (vpnInstanceOpDataEntryOptional.isPresent()) {
                            String vpnInstanceName = vpnInstanceOpDataEntryOptional.get().getVpnInstanceName();
                            if (lri.getVpnInstanceList().contains(vpnInstanceName)) {
                                localNextHopInfo = updateVpnReferencesInLri(lri, vpnInstanceName, true);
                                localNextHopIP = lri.getPrefix();
                            } else {
                                localNextHopInfo = updateVpnReferencesInLri(lri, vpnInstanceName, false);
                                localNextHopIP = lri.getPrefix();
                            }
                        }
                        if (localNextHopInfo != null) {
                            LOG.debug("Fetched labelRouteInfo for label {} interface {} and got dpn {}", label, localNextHopInfo.getVpnInterfaceName(), lri.getDpnId());
                            if (vpnExtraRoutes.isEmpty()) {
                                BigInteger dpnId = checkCreateLocalFibEntry(localNextHopInfo, localNextHopIP, vpnId, rd, vrfEntry, lri.getParentVpnid(), null, vpnExtraRoutes);
                                returnLocalDpnId.add(dpnId);
                            } else {
                                for (Routes extraRoutes : vpnExtraRoutes) {
                                    BigInteger dpnId = checkCreateLocalFibEntry(localNextHopInfo, localNextHopIP, vpnId, rd, vrfEntry, lri.getParentVpnid(), extraRoutes, vpnExtraRoutes);
                                    returnLocalDpnId.add(dpnId);
                                }
                            }
                        }
                    }
                }
            }
        }
        if (returnLocalDpnId.isEmpty()) {
            LOG.error("Local DPNID is empty for rd {}, vpnId {}, vrfEntry {}", rd, vpnId, vrfEntry);
        }
    } else {
        BigInteger dpnId = checkCreateLocalFibEntry(localNextHopInfo, localNextHopIP, vpnId, rd, vrfEntry, vpnId, /*routes*/
        null, /*vpnExtraRoutes*/
        null);
        if (dpnId != null) {
            returnLocalDpnId.add(dpnId);
        }
    }
    return returnLocalDpnId;
}

Example 72 with VrfEntry

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry in project netvirt by opendaylight.

the class VrfEntryListener method cleanUpOpDataForFib.

protected void cleanUpOpDataForFib(Long vpnId, String primaryRd, final VrfEntry vrfEntry) {
    /* Get interface info from prefix to interface mapping;
        Use the interface info to get the corresponding vpn interface op DS entry,
        remove the adjacency corresponding to this fib entry.
        If adjacency removed is the last adjacency, clean up the following:
         - vpn interface from dpntovpn list, dpn if last vpn interface on dpn
         - prefix to interface entry
         - vpn interface op DS
     */
    LOG.debug("Cleanup of prefix {} in VPN {}", vrfEntry.getDestPrefix(), vpnId);
    Prefixes prefixInfo = fibUtil.getPrefixToInterface(vpnId, vrfEntry.getDestPrefix());
    if (prefixInfo == null) {
        List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnId, vrfEntry.getDestPrefix());
        String usedRd = usedRds.isEmpty() ? primaryRd : usedRds.get(0);
        Routes extraRoute = baseVrfEntryHandler.getVpnToExtraroute(vpnId, usedRd, vrfEntry.getDestPrefix());
        if (extraRoute != null) {
            for (String nextHopIp : extraRoute.getNexthopIpList()) {
                LOG.debug("NextHop IP for destination {} is {}", vrfEntry.getDestPrefix(), nextHopIp);
                if (nextHopIp != null) {
                    String ipPrefix;
                    if (isIpv4Address(nextHopIp)) {
                        ipPrefix = nextHopIp + NwConstants.IPV4PREFIX;
                    } else {
                        ipPrefix = nextHopIp + NwConstants.IPV6PREFIX;
                    }
                    prefixInfo = fibUtil.getPrefixToInterface(vpnId, ipPrefix);
                    checkCleanUpOpDataForFib(prefixInfo, vpnId, primaryRd, vrfEntry, extraRoute);
                }
            }
        }
        if (prefixInfo == null) {
            java.util.Optional<Long> optionalLabel = FibUtil.getLabelFromRoutePaths(vrfEntry);
            if (optionalLabel.isPresent()) {
                Long label = optionalLabel.get();
                List<String> nextHopAddressList = FibHelper.getNextHopListFromRoutePaths(vrfEntry);
                LabelRouteInfo lri = getLabelRouteInfo(label);
                if (isPrefixAndNextHopPresentInLri(vrfEntry.getDestPrefix(), nextHopAddressList, lri)) {
                    PrefixesBuilder prefixBuilder = new PrefixesBuilder();
                    prefixBuilder.setDpnId(lri.getDpnId());
                    prefixBuilder.setVpnInterfaceName(lri.getVpnInterfaceName());
                    prefixBuilder.setIpAddress(lri.getPrefix());
                    prefixInfo = prefixBuilder.build();
                    LOG.debug("Fetched labelRouteInfo for label {} interface {} and got dpn {}", label, prefixInfo.getVpnInterfaceName(), lri.getDpnId());
                    checkCleanUpOpDataForFib(prefixInfo, vpnId, primaryRd, vrfEntry, extraRoute);
                }
            }
        }
    } else {
        checkCleanUpOpDataForFib(prefixInfo, vpnId, primaryRd, vrfEntry, null);
    }
}

Example 73 with VrfEntry

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry in project netvirt by opendaylight.

the class VrfEntryListener method installIVpnLinkSwitchingFlows.

/*
     * Installs the flows in FIB table that, for a given route, do the switching from one VPN to the other.
     */
private void installIVpnLinkSwitchingFlows(final InterVpnLinkDataComposite interVpnLink, final String vpnUuid, final VrfEntry vrfEntry, long vpnTag) {
    Preconditions.checkNotNull(interVpnLink, "InterVpnLink cannot be null");
    Preconditions.checkArgument(vrfEntry.getRoutePaths() != null && vrfEntry.getRoutePaths().size() == 1);
    String destination = vrfEntry.getDestPrefix();
    String nextHop = vrfEntry.getRoutePaths().get(0).getNexthopAddress();
    String interVpnLinkName = interVpnLink.getInterVpnLinkName();
    // using as metadata the LPortTag associated to that vpn in the inter-vpn-link.
    if (interVpnLink.getState().or(State.Error) != State.Active) {
        LOG.warn("Route to {} with nexthop={} cannot be installed because the interVpnLink {} is not active", destination, nextHop, interVpnLinkName);
        return;
    }
    Optional<Long> optOtherEndpointLportTag = interVpnLink.getOtherEndpointLportTagByVpnName(vpnUuid);
    if (!optOtherEndpointLportTag.isPresent()) {
        LOG.warn("Could not find suitable LportTag for the endpoint opposite to vpn {} in interVpnLink {}", vpnUuid, interVpnLinkName);
        return;
    }
    List<BigInteger> targetDpns = interVpnLink.getEndpointDpnsByVpnName(vpnUuid);
    if (targetDpns.isEmpty()) {
        LOG.warn("Could not find DPNs for endpoint opposite to vpn {} in interVpnLink {}", vpnUuid, interVpnLinkName);
        return;
    }
    String[] values = destination.split("/");
    String destPrefixIpAddress = values[0];
    int prefixLength = values.length == 1 ? 0 : Integer.parseInt(values[1]);
    List<MatchInfo> matches = new ArrayList<>();
    matches.add(new MatchMetadata(MetaDataUtil.getVpnIdMetadata(vpnTag), MetaDataUtil.METADATA_MASK_VRFID));
    matches.add(MatchEthernetType.IPV4);
    if (prefixLength != 0) {
        matches.add(new MatchIpv4Destination(destPrefixIpAddress, Integer.toString(prefixLength)));
    }
    List<Instruction> instructions = Arrays.asList(new InstructionWriteMetadata(MetaDataUtil.getMetaDataForLPortDispatcher(optOtherEndpointLportTag.get().intValue(), ServiceIndex.getIndex(NwConstants.L3VPN_SERVICE_NAME, NwConstants.L3VPN_SERVICE_INDEX)), MetaDataUtil.getMetaDataMaskForLPortDispatcher()).buildInstruction(0), new InstructionGotoTable(NwConstants.L3_INTERFACE_TABLE).buildInstruction(1));
    int priority = DEFAULT_FIB_FLOW_PRIORITY + prefixLength;
    String flowRef = getInterVpnFibFlowRef(interVpnLinkName, destination, nextHop);
    Flow flowEntity = MDSALUtil.buildFlowNew(NwConstants.L3_FIB_TABLE, flowRef, priority, flowRef, 0, 0, COOKIE_VM_FIB_TABLE, matches, instructions);
    LOG.trace("Installing flow in FIB table for vpn {} interVpnLink {} nextHop {} key {}", vpnUuid, interVpnLink.getInterVpnLinkName(), nextHop, flowRef);
    for (BigInteger dpId : targetDpns) {
        LOG.debug("Installing flow: VrfEntry=[prefix={} route-paths={}] dpn {} for InterVpnLink {} in FIB", vrfEntry.getDestPrefix(), vrfEntry.getRoutePaths(), dpId, interVpnLink.getInterVpnLinkName());
        mdsalManager.installFlow(dpId, flowEntity);
    }
}

Example 74 with VrfEntry

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry in project netvirt by opendaylight.

the class VrfEntryListener method populateFibOnNewDpn.

public void populateFibOnNewDpn(final BigInteger dpnId, final long vpnId, final String rd, final FutureCallback<List<Void>> callback) {
    LOG.trace("New dpn {} for vpn {} : populateFibOnNewDpn", dpnId, rd);
    InstanceIdentifier<VrfTables> id = buildVrfId(rd);
    final VpnInstanceOpDataEntry vpnInstance = fibUtil.getVpnInstance(rd);
    final Optional<VrfTables> vrfTable = MDSALUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, id);
    List<SubTransaction> txnObjects = new ArrayList<>();
    if (!vrfTable.isPresent()) {
        LOG.info("populateFibOnNewDpn: dpn: {}: VRF Table not yet available for RD {}", dpnId, rd);
        if (callback != null) {
            List<ListenableFuture<Void>> futures = new ArrayList<>();
            ListenableFuture<List<Void>> listenableFuture = Futures.allAsList(futures);
            Futures.addCallback(listenableFuture, callback, MoreExecutors.directExecutor());
        }
        return;
    }
    jobCoordinator.enqueueJob(FibUtil.getJobKeyForVpnIdDpnId(vpnId, dpnId), () -> {
        List<ListenableFuture<Void>> futures = new ArrayList<>();
        synchronized (vpnInstance.getVpnInstanceName().intern()) {
            futures.add(retryingTxRunner.callWithNewReadWriteTransactionAndSubmit(tx -> {
                for (final VrfEntry vrfEntry : vrfTable.get().getVrfEntry()) {
                    SubnetRoute subnetRoute = vrfEntry.getAugmentation(SubnetRoute.class);
                    if (subnetRoute != null) {
                        long elanTag = subnetRoute.getElantag();
                        installSubnetRouteInFib(dpnId, elanTag, rd, vpnId, vrfEntry, tx);
                        installSubnetBroadcastAddrDropRule(dpnId, rd, vpnId, vrfEntry, NwConstants.ADD_FLOW, tx);
                        continue;
                    }
                    RouterInterface routerInt = vrfEntry.getAugmentation(RouterInterface.class);
                    if (routerInt != null) {
                        LOG.trace("Router augmented vrfentry found rd:{}, uuid:{}, ip:{}, mac:{}", rd, routerInt.getUuid(), routerInt.getIpAddress(), routerInt.getMacAddress());
                        routerInterfaceVrfEntryHandler.installRouterFibEntry(vrfEntry, dpnId, vpnId, routerInt.getIpAddress(), new MacAddress(routerInt.getMacAddress()), NwConstants.ADD_FLOW);
                        continue;
                    }
                    // Handle local flow creation for imports
                    if (RouteOrigin.value(vrfEntry.getOrigin()) == RouteOrigin.SELF_IMPORTED) {
                        java.util.Optional<Long> optionalLabel = FibUtil.getLabelFromRoutePaths(vrfEntry);
                        if (optionalLabel.isPresent()) {
                            List<String> nextHopList = FibHelper.getNextHopListFromRoutePaths(vrfEntry);
                            LabelRouteInfo lri = getLabelRouteInfo(optionalLabel.get());
                            if (isPrefixAndNextHopPresentInLri(vrfEntry.getDestPrefix(), nextHopList, lri)) {
                                if (lri.getDpnId().equals(dpnId)) {
                                    createLocalFibEntry(vpnId, rd, vrfEntry);
                                    continue;
                                }
                            }
                        }
                    }
                    boolean shouldCreateRemoteFibEntry = shouldCreateFibEntryForVrfAndVpnIdOnDpn(vpnId, vrfEntry, dpnId);
                    if (shouldCreateRemoteFibEntry) {
                        LOG.trace("Will create remote FIB entry for vrfEntry {} on DPN {}", vrfEntry, dpnId);
                        if (RouteOrigin.BGP.getValue().equals(vrfEntry.getOrigin())) {
                            bgpRouteVrfEntryHandler.createRemoteFibEntry(dpnId, vpnId, vrfTable.get().getRouteDistinguisher(), vrfEntry, tx, txnObjects);
                        } else {
                            createRemoteFibEntry(dpnId, vpnId, vrfTable.get().getRouteDistinguisher(), vrfEntry, tx);
                        }
                    }
                }
            }));
            if (callback != null) {
                ListenableFuture<List<Void>> listenableFuture = Futures.allAsList(futures);
                Futures.addCallback(listenableFuture, callback, MoreExecutors.directExecutor());
            }
        }
        return futures;
    });
}

Example 75 with VrfEntry

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry in project netvirt by opendaylight.

the class VrfEntryListener method populateExternalRoutesOnDpn.

public void populateExternalRoutesOnDpn(final BigInteger dpnId, final long vpnId, final String rd, final String localNextHopIp, final String remoteNextHopIp) {
    LOG.trace("populateExternalRoutesOnDpn : dpn {}, vpn {}, rd {}, localNexthopIp {} , remoteNextHopIp {} ", dpnId, vpnId, rd, localNextHopIp, remoteNextHopIp);
    InstanceIdentifier<VrfTables> id = buildVrfId(rd);
    final VpnInstanceOpDataEntry vpnInstance = fibUtil.getVpnInstance(rd);
    List<SubTransaction> txnObjects = new ArrayList<>();
    final Optional<VrfTables> vrfTable = MDSALUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, id);
    if (vrfTable.isPresent()) {
        jobCoordinator.enqueueJob(FibUtil.getJobKeyForVpnIdDpnId(vpnId, dpnId), () -> {
            List<ListenableFuture<Void>> futures = new ArrayList<>();
            synchronized (vpnInstance.getVpnInstanceName().intern()) {
                WriteTransaction writeCfgTxn = dataBroker.newWriteOnlyTransaction();
                vrfTable.get().getVrfEntry().stream().filter(vrfEntry -> RouteOrigin.BGP == RouteOrigin.value(vrfEntry.getOrigin())).forEach(bgpRouteVrfEntryHandler.getConsumerForCreatingRemoteFib(dpnId, vpnId, rd, remoteNextHopIp, vrfTable, writeCfgTxn, txnObjects));
                futures.add(writeCfgTxn.submit());
            }
            return futures;
        });
    }
}