Examples with NextHop org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop used on opensource projects

Example 71 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class VpnSubnetRouteHandler method electNewDpnForSubnetRoute.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void electNewDpnForSubnetRoute(SubnetOpDataEntryBuilder subOpBuilder, BigInteger oldDpnId, Uuid subnetId, Uuid networkId, boolean isBgpVpn) {
    List<SubnetToDpn> subDpnList = null;
    boolean isRouteAdvertised = false;
    subDpnList = subOpBuilder.getSubnetToDpn();
    String rd = subOpBuilder.getVrfId();
    String subnetIp = subOpBuilder.getSubnetCidr();
    String vpnName = subOpBuilder.getVpnName();
    long elanTag = subOpBuilder.getElanTag();
    boolean isAlternateDpnSelected = false;
    long l3vni = 0;
    long label = 0;
    String networkName = networkId != null ? networkId.getValue() : null;
    LOG.info("{} electNewDpnForSubnetRoute: Handling subnet {} subnetIp {} vpn {} rd {} TaskState {}" + " lastTaskState {}", LOGGING_PREFIX, subnetId.getValue(), subnetIp, subOpBuilder.getVpnName(), subOpBuilder.getVrfId(), subOpBuilder.getRouteAdvState(), subOpBuilder.getLastAdvState());
    if (!isBgpVpn) {
        // blended more better into this design.
        if (VpnUtil.isL3VpnOverVxLan(subOpBuilder.getL3vni())) {
            l3vni = subOpBuilder.getL3vni();
        } else {
            label = getLabel(rd, subnetIp);
            subOpBuilder.setLabel(label);
        }
        isRouteAdvertised = addSubnetRouteToFib(rd, subnetIp, null, /* nhDpnId */
        null, /* nhTepIp */
        vpnName, elanTag, label, l3vni, subnetId, isBgpVpn, networkName);
        if (isRouteAdvertised) {
            subOpBuilder.setRouteAdvState(TaskState.Advertised);
        } else {
            LOG.error("{} electNewDpnForSubnetRoute: Unable to find TepIp for subnet {} subnetip {} vpnName {}" + " rd {}, attempt next dpn", LOGGING_PREFIX, subnetId.getValue(), subnetIp, vpnName, rd);
            subOpBuilder.setRouteAdvState(TaskState.PendingAdvertise);
        }
        return;
    }
    String nhTepIp = null;
    BigInteger nhDpnId = null;
    Iterator<SubnetToDpn> subnetDpnIter = subDpnList.iterator();
    while (subnetDpnIter.hasNext()) {
        SubnetToDpn subnetToDpn = subnetDpnIter.next();
        if (subnetToDpn.getDpnId().equals(oldDpnId)) {
            // Is this same is as input dpnId, then ignore it
            continue;
        }
        nhDpnId = subnetToDpn.getDpnId();
        if (vpnNodeListener.isConnectedNode(nhDpnId)) {
            // but does it have a TEP configured at all?
            try {
                nhTepIp = InterfaceUtils.getEndpointIpAddressForDPN(dataBroker, nhDpnId);
                if (nhTepIp != null) {
                    isAlternateDpnSelected = true;
                    break;
                }
            } catch (Exception e) {
                LOG.warn("{} electNewDpnForSubnetRoute: Unable to find TepIp for rd {} subnetroute subnetip {}" + " for dpnid {}, attempt next", LOGGING_PREFIX, rd, subnetIp, nhDpnId.toString(), e);
                continue;
            }
        }
    }
    if (!isAlternateDpnSelected) {
        // If no alternate Dpn is selected as nextHopDpn, withdraw the subnetroute if it had a nextHop already.
        if (isRouteAdvertised(subOpBuilder) && oldDpnId != null) {
            LOG.info("{} electNewDpnForSubnetRoute: No alternate DPN available for subnet {} subnetIp {} vpn {}" + " rd {} Prefix withdrawn from BGP", LOGGING_PREFIX, subnetId.getValue(), subnetIp, vpnName, rd);
            // Withdraw route from BGP for this subnet
            boolean routeWithdrawn = deleteSubnetRouteFromFib(rd, subnetIp, vpnName, isBgpVpn);
            subOpBuilder.setNhDpnId(null);
            subOpBuilder.setLastAdvState(subOpBuilder.getRouteAdvState());
            if (routeWithdrawn) {
                subOpBuilder.setRouteAdvState(TaskState.Withdrawn);
            } else {
                LOG.error("{} electNewDpnForSubnetRoute: Withdrawing NextHopDPN {} for subnet {} subnetIp {}" + " vpn {} rd {} from BGP failed", LOGGING_PREFIX, oldDpnId, subnetId.getValue(), subnetIp, vpnName, rd);
                subOpBuilder.setRouteAdvState(TaskState.PendingWithdraw);
            }
        }
    } else {
        // If alternate Dpn is selected as nextHopDpn, use that for subnetroute.
        subOpBuilder.setNhDpnId(nhDpnId);
        if (VpnUtil.isL3VpnOverVxLan(subOpBuilder.getL3vni())) {
            l3vni = subOpBuilder.getL3vni();
        } else {
            label = getLabel(rd, subnetIp);
            subOpBuilder.setLabel(label);
        }
        // update the VRF entry for the subnetroute.
        isRouteAdvertised = addSubnetRouteToFib(rd, subnetIp, nhDpnId, nhTepIp, vpnName, elanTag, label, l3vni, subnetId, isBgpVpn, networkName);
        subOpBuilder.setLastAdvState(subOpBuilder.getRouteAdvState());
        if (isRouteAdvertised) {
            subOpBuilder.setRouteAdvState(TaskState.Advertised);
        } else {
            LOG.error("{} electNewDpnForSubnetRoute: Swapping to add new NextHopDpn {} for subnet {} subnetIp {}" + " vpn {} rd {} failed", LOGGING_PREFIX, nhDpnId, subnetId.getValue(), subnetIp, vpnName, rd);
            subOpBuilder.setRouteAdvState(TaskState.PendingAdvertise);
        }
    }
}

Example 72 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class VpnSubnetRouteHandler method onInterfaceUp.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public void onInterfaceUp(BigInteger dpnId, String intfName, Uuid subnetId) {
    // TODO(vivek): Change this to use more granularized lock at subnetId level
    SubnetToDpn subDpn = null;
    if (dpnId == null || Objects.equals(dpnId, BigInteger.ZERO)) {
        LOG.error("{} onInterfaceUp: Unable to determine the DPNID for port {} on subnet {}", LOGGING_PREFIX, intfName, subnetId.getValue());
        return;
    }
    try {
        VpnUtil.lockSubnet(lockManager, subnetId.getValue());
        try {
            InstanceIdentifier<SubnetOpDataEntry> subOpIdentifier = InstanceIdentifier.builder(SubnetOpData.class).child(SubnetOpDataEntry.class, new SubnetOpDataEntryKey(subnetId)).build();
            Optional<SubnetOpDataEntry> optionalSubs = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, subOpIdentifier);
            if (!optionalSubs.isPresent()) {
                LOG.trace("{} onInterfaceUp: SubnetOpDataEntry for subnet {} is not available." + " Ignoring interfaceUp for port{}", LOGGING_PREFIX, subnetId.getValue(), intfName);
                return;
            }
            subOpDpnManager.addPortOpDataEntry(intfName, subnetId, dpnId);
            subDpn = subOpDpnManager.addInterfaceToDpn(subnetId, dpnId, intfName);
            if (subDpn == null) {
                return;
            }
            SubnetOpDataEntry subnetOpDataEntry = optionalSubs.get();
            SubnetOpDataEntryBuilder subOpBuilder = new SubnetOpDataEntryBuilder(subnetOpDataEntry);
            LOG.info("{} onInterfaceUp: Updating the SubnetOpDataEntry node for subnet {} subnetIp {} vpn {}" + " rd {} TaskState {} lastTaskState {}", LOGGING_PREFIX, subnetId.getValue(), subOpBuilder.getSubnetCidr(), subOpBuilder.getVpnName(), subOpBuilder.getVrfId(), subOpBuilder.getRouteAdvState(), subOpBuilder.getLastAdvState());
            boolean isExternalSubnetVpn = VpnUtil.isExternalSubnetVpn(subnetOpDataEntry.getVpnName(), subnetId.getValue());
            List<SubnetToDpn> subDpnList = subOpBuilder.getSubnetToDpn();
            subDpnList.add(subDpn);
            subOpBuilder.setSubnetToDpn(subDpnList);
            if (subOpBuilder.getRouteAdvState() != TaskState.Advertised) {
                if (subOpBuilder.getNhDpnId() == null) {
                    // No nexthop selected yet, elect one now
                    electNewDpnForSubnetRoute(subOpBuilder, null, /* oldDpnId */
                    subnetId, null, /*networkId*/
                    !isExternalSubnetVpn);
                } else if (!isExternalSubnetVpn) {
                    // Already nexthop has been selected, only publishing to bgp required, so publish to bgp
                    getNexthopTepAndPublishRoute(subOpBuilder, subnetId);
                }
            }
            SubnetOpDataEntry subOpEntry = subOpBuilder.build();
            MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, subOpIdentifier, subOpEntry);
            LOG.info("{} onInterfaceUp: Updated subnetopdataentry to OP Datastore port {} up for subnet {}" + " subnetIp {} vpnName {} rd {} TaskState {} lastTaskState {} ", LOGGING_PREFIX, intfName, subnetId.getValue(), subOpEntry.getSubnetCidr(), subOpEntry.getVpnName(), subOpEntry.getVrfId(), subOpEntry.getRouteAdvState(), subOpEntry.getLastAdvState());
        } catch (Exception ex) {
            LOG.error("{} onInterfaceUp: Updation of SubnetOpDataEntry for subnet {} on port {} up failed", LOGGING_PREFIX, subnetId.getValue(), intfName, ex);
        } finally {
            VpnUtil.unlockSubnet(lockManager, subnetId.getValue());
        }
    } catch (RuntimeException e) {
        LOG.error("{} onInterfaceUp: Unable to handle interface up event for port {} in subnet {}", LOGGING_PREFIX, intfName, subnetId.getValue(), e);
    }
}

Example 73 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class InterVpnLinkUtil method leakRoute.

/**
 * Leaks a route from one VPN to another. By default, the origin for this leaked route is INTERVPN.
 *
 * @param broker dataBroker service reference
 * @param bgpManager Used to advertise routes to the BGP Router
 * @param interVpnLink Reference to the object that holds the info about the link between the 2 VPNs
 * @param srcVpnUuid UUID of the VPN that has the route that is going to be leaked to the other VPN
 * @param dstVpnUuid UUID of the VPN that is going to receive the route
 * @param prefix Prefix of the route
 * @param label Label of the route in the original VPN
 */
// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public static void leakRoute(DataBroker broker, IBgpManager bgpManager, InterVpnLink interVpnLink, String srcVpnUuid, String dstVpnUuid, String prefix, Long label) {
    Preconditions.checkNotNull(interVpnLink);
    // The source VPN must participate in the InterVpnLink
    Preconditions.checkArgument(interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(srcVpnUuid) || interVpnLink.getSecondEndpoint().getVpnUuid().getValue().equals(srcVpnUuid), "The source VPN {} does not participate in the interVpnLink {}", srcVpnUuid, interVpnLink.getName());
    // The destination VPN must participate in the InterVpnLink
    Preconditions.checkArgument(interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(dstVpnUuid) || interVpnLink.getSecondEndpoint().getVpnUuid().getValue().equals(dstVpnUuid), "The destination VPN {} does not participate in the interVpnLink {}", dstVpnUuid, interVpnLink.getName());
    boolean destinationIs1stEndpoint = interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(dstVpnUuid);
    String endpointIp = destinationIs1stEndpoint ? interVpnLink.getSecondEndpoint().getIpAddress().getValue() : interVpnLink.getFirstEndpoint().getIpAddress().getValue();
    VrfEntry newVrfEntry = FibHelper.getVrfEntryBuilder(prefix, label, endpointIp, RouteOrigin.INTERVPN, null).build();
    String dstVpnRd = VpnUtil.getVpnRd(broker, dstVpnUuid);
    InstanceIdentifier<VrfEntry> newVrfEntryIid = InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(dstVpnRd)).child(VrfEntry.class, new VrfEntryKey(newVrfEntry.getDestPrefix())).build();
    VpnUtil.asyncWrite(broker, LogicalDatastoreType.CONFIGURATION, newVrfEntryIid, newVrfEntry);
    // Finally, route is advertised it to the DC-GW. But while in the FibEntries the nexthop is the other
    // endpoint's IP, in the DC-GW the nexthop for those prefixes are the IPs of those DPNs where the target
    // VPN has been instantiated
    Optional<InterVpnLinkState> optVpnLinkState = getInterVpnLinkState(broker, interVpnLink.getName());
    if (optVpnLinkState.isPresent()) {
        InterVpnLinkState vpnLinkState = optVpnLinkState.get();
        List<BigInteger> dpnIdList = destinationIs1stEndpoint ? vpnLinkState.getFirstEndpointState().getDpId() : vpnLinkState.getSecondEndpointState().getDpId();
        List<String> nexthops = new ArrayList<>();
        for (BigInteger dpnId : dpnIdList) {
            nexthops.add(InterfaceUtils.getEndpointIpAddressForDPN(broker, dpnId));
        }
        try {
            LOG.debug("Advertising route in VPN={} [prefix={} label={}  nexthops={}] to DC-GW", dstVpnRd, newVrfEntry.getDestPrefix(), label.intValue(), nexthops);
            bgpManager.advertisePrefix(dstVpnRd, null, /*macAddress*/
            newVrfEntry.getDestPrefix(), nexthops, VrfEntry.EncapType.Mplsgre, label.intValue(), 0, /*l3vni*/
            0, /*l2vni*/
            null);
        } catch (Exception ex) {
            LOG.error("Could not advertise prefix {} with label {} to VPN rd={}", newVrfEntry.getDestPrefix(), label.intValue(), dstVpnRd, ex);
        }
    } else {
        LOG.warn("Error when advertising leaked routes: Could not find State for InterVpnLink={}", interVpnLink.getName());
    }
}

Example 74 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class L3vpnOverMplsGrePopulator method createOperationalAdjacency.

@Override
public Adjacency createOperationalAdjacency(L3vpnInput input) {
    Adjacency nextHop = input.getNextHop();
    String nextHopIp = input.getNextHopIp();
    String prefix = VpnUtil.getIpPrefix(nextHop.getIpAddress());
    List<String> adjNextHop = nextHop.getNextHopIpList();
    String rd = input.getRd();
    String primaryRd = input.getPrimaryRd();
    String vpnName = input.getVpnName();
    long label = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, VpnUtil.getNextHopLabelKey(primaryRd, prefix));
    if (label == VpnConstants.INVALID_LABEL) {
        String error = "Unable to fetch label from Id Manager. Bailing out of creation of operational " + "vpn interface adjacency " + prefix + "for vpn " + vpnName;
        throw new NullPointerException(error);
    }
    List<String> nextHopList = adjNextHop != null && !adjNextHop.isEmpty() ? adjNextHop : nextHopIp == null ? Collections.emptyList() : Collections.singletonList(nextHopIp);
    return new AdjacencyBuilder(nextHop).setLabel(label).setNextHopIpList(nextHopList).setIpAddress(prefix).setVrfId(rd).setKey(new AdjacencyKey(prefix)).setAdjacencyType(nextHop.getAdjacencyType()).setSubnetGatewayMacAddress(nextHop.getSubnetGatewayMacAddress()).build();
}

Example 75 with NextHop

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.NextHop in project netvirt by opendaylight.

the class L3vpnPopulator method addToLabelMapper.

public void addToLabelMapper(Long label, BigInteger dpnId, String prefix, List<String> nextHopIpList, Long vpnId, String vpnInterfaceName, Long elanTag, boolean isSubnetRoute, String rd) {
    Preconditions.checkNotNull(label, "addToLabelMapper: label cannot be null or empty!");
    Preconditions.checkNotNull(prefix, "addToLabelMapper: prefix cannot be null or empty!");
    Preconditions.checkNotNull(vpnId, "addToLabelMapper: vpnId cannot be null or empty!");
    Preconditions.checkNotNull(rd, "addToLabelMapper: rd cannot be null or empty!");
    if (!isSubnetRoute) {
        // NextHop must be present for non-subnetroute entries
        Preconditions.checkNotNull(nextHopIpList, "addToLabelMapper: nextHopIp cannot be null or empty!");
    }
    synchronized (label.toString().intern()) {
        addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
            LOG.info("addToLabelMapper: label {} dpn {} prefix {} nexthoplist {} vpnid {} vpnIntfcName {} rd {}" + " elanTag {}", label, dpnId, prefix, nextHopIpList, vpnId, vpnInterfaceName, rd, elanTag);
            if (dpnId != null) {
                LabelRouteInfoBuilder lriBuilder = new LabelRouteInfoBuilder();
                lriBuilder.setLabel(label).setDpnId(dpnId).setPrefix(prefix).setNextHopIpList(nextHopIpList).setParentVpnid(vpnId).setIsSubnetRoute(isSubnetRoute);
                if (elanTag != null) {
                    lriBuilder.setElanTag(elanTag);
                } else {
                    LOG.warn("addToLabelMapper: elanTag is null for label {} prefix {} rd {} vpnId {}", label, prefix, rd, vpnId);
                }
                if (vpnInterfaceName != null) {
                    lriBuilder.setVpnInterfaceName(vpnInterfaceName);
                } else {
                    LOG.warn("addToLabelMapper: vpn interface is null for label {} prefix {} rd {} vpnId {}", label, prefix, rd, vpnId);
                }
                lriBuilder.setParentVpnRd(rd);
                VpnInstanceOpDataEntry vpnInstanceOpDataEntry = VpnUtil.getVpnInstanceOpData(broker, rd);
                if (vpnInstanceOpDataEntry != null) {
                    List<String> vpnInstanceNames = Collections.singletonList(vpnInstanceOpDataEntry.getVpnInstanceName());
                    lriBuilder.setVpnInstanceList(vpnInstanceNames);
                }
                LabelRouteInfo lri = lriBuilder.build();
                InstanceIdentifier<LabelRouteInfo> lriIid = InstanceIdentifier.builder(LabelRouteMap.class).child(LabelRouteInfo.class, new LabelRouteInfoKey(label)).build();
                tx.merge(LogicalDatastoreType.OPERATIONAL, lriIid, lri, true);
                LOG.info("addToLabelMapper: Added label route info to label {} prefix {} nextHopList {} vpnId {}" + " interface {} rd {} elantag {}", label, prefix, nextHopIpList, vpnId, vpnInterfaceName, rd, elanTag);
            } else {
                LOG.warn("addToLabelMapper: Can't add entry to label map for label {} prefix {} nextHopList {}" + " vpnId {} interface {} rd {} elantag {}, dpnId is null", label, prefix, nextHopIpList, vpnId, vpnInterfaceName, rd, elanTag);
            }
        }), LOG, "addToLabelMapper");
    }
}