Examples with NextHop org.opendaylight.yang.gen.v1.http.openconfig.net.yang.local.routing.rev151009.LocalStaticConfig.NextHop used on opensource projects

Example 86 with NextHop

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.local.routing.rev151009.LocalStaticConfig.NextHop in project netvirt by opendaylight.

the class NexthopManager method getBucketsForRemoteNexthop.

private List<BucketInfo> getBucketsForRemoteNexthop(Long vpnId, BigInteger dpnId, VrfEntry vrfEntry, String rd, List<Routes> vpnExtraRoutes) {
    List<BucketInfo> listBucketInfo = new ArrayList<>();
    Map<String, List<ActionInfo>> egressActionMap = new HashMap<>();
    vpnExtraRoutes.forEach(vpnExtraRoute -> vpnExtraRoute.getNexthopIpList().forEach(nextHopIp -> {
        String nextHopPrefixIp;
        if (isIpv4Address(nextHopIp)) {
            nextHopPrefixIp = nextHopIp + NwConstants.IPV4PREFIX;
        } else {
            nextHopPrefixIp = nextHopIp + NwConstants.IPV6PREFIX;
        }
        List<String> tepIpAddresses = fibUtil.getNextHopAddresses(rd, nextHopPrefixIp);
        if (tepIpAddresses.isEmpty()) {
            return;
        }
        // There would be only one nexthop address for a VM ip which would be the tep Ip
        String tepIp = tepIpAddresses.get(0);
        AdjacencyResult adjacencyResult = getRemoteNextHopPointer(dpnId, vpnId, vrfEntry.getDestPrefix(), tepIp);
        if (adjacencyResult == null) {
            return;
        }
        String egressInterface = adjacencyResult.getInterfaceName();
        if (!FibUtil.isTunnelInterface(adjacencyResult)) {
            return;
        }
        Class<? extends TunnelTypeBase> tunnelType = VpnExtraRouteHelper.getTunnelType(interfaceManager, egressInterface);
        Interface ifState = fibUtil.getInterfaceStateFromOperDS(egressInterface);
        if (ifState == null || ifState.getOperStatus() != OperStatus.Up) {
            LOG.trace("Tunnel not up {}", egressInterface);
            return;
        }
        if (!TunnelTypeVxlan.class.equals(tunnelType)) {
            return;
        }
        Long label = FibUtil.getLabelFromRoutePaths(vrfEntry).get();
        Prefixes prefixInfo = fibUtil.getPrefixToInterface(vpnId, nextHopPrefixIp);
        BigInteger tunnelId;
        if (fibUtil.enforceVxlanDatapathSemanticsforInternalRouterVpn(prefixInfo.getSubnetId(), vpnId, rd)) {
            java.util.Optional<Long> optionalVni = fibUtil.getVniForVxlanNetwork(prefixInfo.getSubnetId());
            if (!optionalVni.isPresent()) {
                LOG.error("VNI not found for nexthop {} vrfEntry {} with subnetId {}", nextHopIp, vrfEntry, prefixInfo.getSubnetId());
                return;
            }
            tunnelId = BigInteger.valueOf(optionalVni.get());
        } else {
            tunnelId = BigInteger.valueOf(label);
        }
        List<ActionInfo> actionInfos = new ArrayList<>();
        actionInfos.add(new ActionSetFieldTunnelId(tunnelId));
        String ifName = prefixInfo.getVpnInterfaceName();
        String vpnName = fibUtil.getVpnNameFromId(vpnId);
        if (vpnName == null) {
            return;
        }
        String macAddress = fibUtil.getMacAddressFromPrefix(ifName, vpnName, nextHopPrefixIp);
        actionInfos.add(new ActionSetFieldEthernetDestination(actionInfos.size(), new MacAddress(macAddress)));
        List<ActionInfo> egressActions;
        if (egressActionMap.containsKey(egressInterface)) {
            egressActions = egressActionMap.get(egressInterface);
        } else {
            egressActions = getEgressActionsForInterface(egressInterface, actionInfos.size());
            egressActionMap.put(egressInterface, egressActions);
        }
        if (egressActions.isEmpty()) {
            LOG.error("Failed to retrieve egress action for prefix {} route-paths {}" + " interface {}." + " Aborting remote FIB entry creation.", vrfEntry.getDestPrefix(), vrfEntry.getRoutePaths(), egressInterface);
        }
        actionInfos.addAll(egressActions);
        BucketInfo bucket = new BucketInfo(actionInfos);
        bucket.setWeight(1);
        listBucketInfo.add(bucket);
    }));
    LOG.trace("LOCAL: listbucket {}, rd {}, dpnId {}, routes {}", listBucketInfo, rd, dpnId, vpnExtraRoutes);
    return listBucketInfo;
}

Example 87 with NextHop

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.local.routing.rev151009.LocalStaticConfig.NextHop in project netvirt by opendaylight.

the class NexthopManager method getRemoteNextHopPointer.

public AdjacencyResult getRemoteNextHopPointer(BigInteger remoteDpnId, long vpnId, String prefixIp, String nextHopIp) {
    String egressIfName = null;
    LOG.trace("getRemoteNextHopPointer: input [remoteDpnId {}, vpnId {}, prefixIp {}, nextHopIp {} ]", remoteDpnId, vpnId, prefixIp, nextHopIp);
    Class<? extends InterfaceType> egressIfType;
    ElanInstance elanInstance = getElanInstanceForPrefix(vpnId, prefixIp);
    if (elanInstance != null) {
        egressIfType = getInterfaceType(elanInstance);
    } else {
        LOG.warn("Failed to determine network type for prefixIp {} using tunnel", prefixIp);
        egressIfType = Tunnel.class;
    }
    if (Tunnel.class.equals(egressIfType)) {
        egressIfName = getTunnelRemoteNextHopPointer(remoteDpnId, nextHopIp);
    } else {
        egressIfName = getExtPortRemoteNextHopPointer(remoteDpnId, elanInstance);
    }
    LOG.trace("NextHop pointer for prefixIp {} vpnId {} dpnId {} is {}", prefixIp, vpnId, remoteDpnId, egressIfName);
    return egressIfName != null ? new AdjacencyResult(egressIfName, egressIfType, nextHopIp, prefixIp) : null;
}

Example 88 with NextHop

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.local.routing.rev151009.LocalStaticConfig.NextHop in project netvirt by opendaylight.

the class VrfEntryListener method update.

@Override
// originalRoutePath is a little dicey - safest to keep the checking even if not needed.
@SuppressFBWarnings("RCN_REDUNDANT_NULLCHECK_OF_NONNULL_VALUE")
protected void update(InstanceIdentifier<VrfEntry> identifier, VrfEntry original, VrfEntry update) {
    Preconditions.checkNotNull(update, "VrfEntry should not be null or empty.");
    final String rd = identifier.firstKeyOf(VrfTables.class).getRouteDistinguisher();
    LOG.debug("UPDATE: Updating Fib Entries to rd {} prefix {} route-paths {} origin {} old-origin {}", rd, update.getDestPrefix(), update.getRoutePaths(), update.getOrigin(), original.getOrigin());
    // Handle BGP Routes first
    if (RouteOrigin.value(update.getOrigin()) == RouteOrigin.BGP) {
        bgpRouteVrfEntryHandler.updateFlows(identifier, original, update, rd);
        LOG.info("UPDATE: Updated BGP advertised Fib Entry with rd {} prefix {} route-paths {}", rd, update.getDestPrefix(), update.getRoutePaths());
        return;
    }
    if (RouteOrigin.value(update.getOrigin()) == RouteOrigin.STATIC) {
        List<RoutePaths> originalRoutePath = original.getRoutePaths();
        List<RoutePaths> updateRoutePath = update.getRoutePaths();
        LOG.info("UPDATE: Original route-path {} update route-path {} ", originalRoutePath, updateRoutePath);
        // Updates need to be handled for extraroute even if original vrf entry route path is null or
        // updated vrf entry route path is null. This can happen during tunnel events.
        Optional<VpnInstanceOpDataEntry> optVpnInstance = fibUtil.getVpnInstanceOpData(rd);
        List<String> usedRds = new ArrayList<>();
        if (optVpnInstance.isPresent()) {
            usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, optVpnInstance.get().getVpnId(), update.getDestPrefix());
        }
        // has nexthop , route needs to be created on remote Dpns
        if (originalRoutePath == null || originalRoutePath.isEmpty() && updateRoutePath != null && !updateRoutePath.isEmpty() && usedRds.isEmpty()) {
            // TODO(vivek): Though ugly, Not handling this code now, as each
            // tep add event will invoke flow addition
            LOG.trace("Original VRF entry NH is null for destprefix {}. And the prefix is not an extra route." + " This event is IGNORED here.", update.getDestPrefix());
            return;
        }
        // has nexthop empty'ed out, route needs to be removed from remote Dpns
        if (updateRoutePath == null || updateRoutePath.isEmpty() && originalRoutePath != null && !originalRoutePath.isEmpty() && usedRds.isEmpty()) {
            LOG.trace("Original VRF entry had valid NH for destprefix {}. And the prefix is not an extra route." + "This event is IGNORED here.", update.getDestPrefix());
            return;
        }
        // Update the used rds and vpntoextraroute containers only for the deleted nextHops.
        List<String> nextHopsRemoved = FibHelper.getNextHopListFromRoutePaths(original);
        nextHopsRemoved.removeAll(FibHelper.getNextHopListFromRoutePaths(update));
        WriteTransaction writeOperTxn = dataBroker.newWriteOnlyTransaction();
        nextHopsRemoved.parallelStream().forEach(nextHopRemoved -> fibUtil.updateUsedRdAndVpnToExtraRoute(writeOperTxn, nextHopRemoved, rd, update.getDestPrefix()));
        CheckedFuture<Void, TransactionCommitFailedException> operFuture = writeOperTxn.submit();
        try {
            operFuture.get();
        } catch (InterruptedException | ExecutionException e) {
            LOG.error("Exception encountered while submitting operational future for update vrfentry {}", update, e);
        }
        createFibEntries(identifier, update);
        LOG.info("UPDATE: Updated static Fib Entry with rd {} prefix {} route-paths {}", rd, update.getDestPrefix(), update.getRoutePaths());
        return;
    }
    // Handle all other routes only on a cluster reboot
    if (original.equals(update)) {
        // Reboot use-case
        createFibEntries(identifier, update);
        LOG.info("UPDATE: Updated Non-static Fib Entry with rd {} prefix {} route-paths {}", rd, update.getDestPrefix(), update.getRoutePaths());
        return;
    }
    LOG.info("UPDATE: Ignoring update for FIB entry with rd {} prefix {} route-origin {} route-paths {}", rd, update.getDestPrefix(), update.getOrigin(), update.getRoutePaths());
}

Example 89 with NextHop

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.local.routing.rev151009.LocalStaticConfig.NextHop 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 90 with NextHop

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.local.routing.rev151009.LocalStaticConfig.NextHop 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);
    }
}