Examples with Nexthops org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops used on opensource projects

Example 6 with Nexthops

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops in project netvirt by opendaylight.

the class VpnInterfaceManager method advertiseAdjacenciesForVpnToBgp.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void advertiseAdjacenciesForVpnToBgp(final String rd, BigInteger dpnId, final InstanceIdentifier<VpnInterfaceOpDataEntry> identifier, String vpnName, String interfaceName) {
    if (rd == null) {
        LOG.error("advertiseAdjacenciesForVpnFromBgp: Unable to recover rd for interface {} on dpn {} in vpn {}", interfaceName, dpnId, vpnName);
        return;
    } else {
        if (rd.equals(vpnName)) {
            LOG.info("advertiseAdjacenciesForVpnFromBgp: Ignoring BGP advertisement for interface {} on dpn {}" + " as it is in internal vpn{} with rd {}", interfaceName, dpnId, vpnName, rd);
            return;
        }
    }
    LOG.info("advertiseAdjacenciesForVpnToBgp: Advertising interface {} on dpn {} in vpn {} with rd {} ", interfaceName, dpnId, vpnName, rd);
    String nextHopIp = InterfaceUtils.getEndpointIpAddressForDPN(dataBroker, dpnId);
    if (nextHopIp == null) {
        LOG.error("advertiseAdjacenciesForVpnToBgp: NextHop for interface {} on dpn {} is null," + " returning from advertising route with rd {} vpn {} to bgp", interfaceName, dpnId, rd, vpnName);
        return;
    }
    // Read NextHops
    InstanceIdentifier<AdjacenciesOp> path = identifier.augmentation(AdjacenciesOp.class);
    Optional<AdjacenciesOp> adjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, path);
    if (adjacencies.isPresent()) {
        List<Adjacency> nextHops = adjacencies.get().getAdjacency();
        if (!nextHops.isEmpty()) {
            LOG.debug("advertiseAdjacenciesForVpnToBgp:  NextHops are {} for interface {} on dpn {} for vpn {}" + " rd {}", nextHops, interfaceName, dpnId, vpnName, rd);
            VpnInstanceOpDataEntry vpnInstanceOpData = VpnUtil.getVpnInstanceOpData(dataBroker, rd);
            long l3vni = vpnInstanceOpData.getL3vni();
            VrfEntry.EncapType encapType = VpnUtil.isL3VpnOverVxLan(l3vni) ? VrfEntry.EncapType.Vxlan : VrfEntry.EncapType.Mplsgre;
            for (Adjacency nextHop : nextHops) {
                if (nextHop.getAdjacencyType() == AdjacencyType.ExtraRoute) {
                    continue;
                }
                String gatewayMac = null;
                long label = 0;
                if (VpnUtil.isL3VpnOverVxLan(l3vni)) {
                    final VpnPortipToPort gwPort = VpnUtil.getNeutronPortFromVpnPortFixedIp(dataBroker, vpnInstanceOpData.getVpnInstanceName(), nextHop.getIpAddress());
                    gatewayMac = arpResponderHandler.getGatewayMacAddressForInterface(gwPort, interfaceName).get();
                } else {
                    label = nextHop.getLabel();
                }
                try {
                    LOG.info("VPN ADVERTISE: advertiseAdjacenciesForVpnToBgp: Adding Fib Entry rd {} prefix {}" + " nexthop {} label {}", rd, nextHop.getIpAddress(), nextHopIp, label);
                    bgpManager.advertisePrefix(rd, nextHop.getMacAddress(), nextHop.getIpAddress(), nextHopIp, encapType, (int) label, l3vni, 0, /*l2vni*/
                    gatewayMac);
                    LOG.info("VPN ADVERTISE: advertiseAdjacenciesForVpnToBgp: Added Fib Entry rd {} prefix {}" + " nexthop {} label {} for interface {} on dpn {} for vpn {}", rd, nextHop.getIpAddress(), nextHopIp, label, interfaceName, dpnId, vpnName);
                } catch (Exception e) {
                    LOG.error("advertiseAdjacenciesForVpnToBgp: Failed to advertise prefix {} in vpn {} with rd {}" + " for interface {} on dpn {}", nextHop.getIpAddress(), vpnName, rd, interfaceName, dpnId, e);
                }
            }
        }
    }
}

Example 7 with Nexthops

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops in project netvirt by opendaylight.

the class VpnInterfaceManager method withdrawAdjacenciesForVpnFromBgp.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void withdrawAdjacenciesForVpnFromBgp(final InstanceIdentifier<VpnInterfaceOpDataEntry> identifier, String vpnName, String interfaceName, WriteTransaction writeConfigTxn) {
    // Read NextHops
    InstanceIdentifier<AdjacenciesOp> path = identifier.augmentation(AdjacenciesOp.class);
    Optional<AdjacenciesOp> adjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, path);
    String rd = VpnUtil.getVpnRd(dataBroker, interfaceName);
    if (rd == null) {
        LOG.error("withdrawAdjacenciesForVpnFromBgp: Unable to recover rd for interface {} in vpn {}", interfaceName, vpnName);
        return;
    } else {
        if (rd.equals(vpnName)) {
            LOG.info("withdrawAdjacenciesForVpnFromBgp: Ignoring BGP withdrawal for interface {} as it is in " + "internal vpn{} with rd {}", interfaceName, vpnName, rd);
            return;
        }
    }
    LOG.info("withdrawAdjacenciesForVpnFromBgp: For interface {} in vpn {} with rd {}", interfaceName, vpnName, rd);
    if (adjacencies.isPresent()) {
        List<Adjacency> nextHops = adjacencies.get().getAdjacency();
        if (!nextHops.isEmpty()) {
            LOG.trace("withdrawAdjacenciesForVpnFromBgp: NextHops are {} for interface {} in vpn {} rd {}", nextHops, interfaceName, vpnName, rd);
            for (Adjacency nextHop : nextHops) {
                try {
                    if (nextHop.getAdjacencyType() != AdjacencyType.ExtraRoute) {
                        LOG.info("VPN WITHDRAW: withdrawAdjacenciesForVpnFromBgp: Removing Fib Entry rd {}" + " prefix {} for interface {} in vpn {}", rd, nextHop.getIpAddress(), interfaceName, vpnName);
                        bgpManager.withdrawPrefix(rd, nextHop.getIpAddress());
                        LOG.info("VPN WITHDRAW: withdrawAdjacenciesForVpnFromBgp: Removed Fib Entry rd {}" + " prefix {} for interface {} in vpn {}", rd, nextHop.getIpAddress(), interfaceName, vpnName);
                    } else {
                        // Perform similar operation as interface delete event for extraroutes.
                        String allocatedRd = nextHop.getVrfId();
                        for (String nh : nextHop.getNextHopIpList()) {
                            deleteExtraRouteFromCurrentAndImportingVpns(vpnName, nextHop.getIpAddress(), nh, allocatedRd, interfaceName, writeConfigTxn);
                        }
                    }
                } catch (Exception e) {
                    LOG.error("withdrawAdjacenciesForVpnFromBgp: Failed to withdraw prefix {} in vpn {} with rd {}" + " for interface {} ", nextHop.getIpAddress(), vpnName, rd, interfaceName, e);
                }
            }
        }
    }
}

Example 8 with Nexthops

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops in project netvirt by opendaylight.

the class VpnInterfaceManager method removeAdjacenciesFromVpn.

private void removeAdjacenciesFromVpn(final BigInteger dpnId, final int lportTag, final String interfaceName, final String vpnName, final long vpnId, String gwMac, WriteTransaction writeConfigTxn, final WriteTransaction writeOperTxn, final WriteTransaction writeInvTxn) {
    // Read NextHops
    InstanceIdentifier<VpnInterfaceOpDataEntry> identifier = VpnUtil.getVpnInterfaceOpDataEntryIdentifier(interfaceName, vpnName);
    InstanceIdentifier<AdjacenciesOp> path = identifier.augmentation(AdjacenciesOp.class);
    Optional<AdjacenciesOp> adjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, path);
    String primaryRd = VpnUtil.getVpnRd(dataBroker, vpnName);
    LOG.info("removeAdjacenciesFromVpn: For interface {} on dpn {} RD recovered for vpn {} as rd {}", interfaceName, dpnId, vpnName, primaryRd);
    if (adjacencies.isPresent() && !adjacencies.get().getAdjacency().isEmpty()) {
        List<Adjacency> nextHops = adjacencies.get().getAdjacency();
        LOG.info("removeAdjacenciesFromVpn: NextHops for interface {} on dpn {} for vpn {} are {}", interfaceName, dpnId, vpnName, nextHops);
        for (Adjacency nextHop : nextHops) {
            if (nextHop.isPhysNetworkFunc()) {
                LOG.info("removeAdjacenciesFromVpn: Removing PNF FIB entry rd {} prefix {}", nextHop.getSubnetId().getValue(), nextHop.getIpAddress());
                fibManager.removeFibEntry(nextHop.getSubnetId().getValue(), nextHop.getIpAddress(), null);
            } else {
                String rd = nextHop.getVrfId();
                List<String> nhList;
                if (nextHop.getAdjacencyType() != AdjacencyType.PrimaryAdjacency) {
                    nhList = getNextHopForNonPrimaryAdjacency(nextHop, vpnName, dpnId, interfaceName);
                } else {
                    // This is a primary adjacency
                    nhList = nextHop.getNextHopIpList() != null ? nextHop.getNextHopIpList() : Collections.emptyList();
                    removeGwMacAndArpResponderFlows(nextHop, vpnId, dpnId, lportTag, gwMac, interfaceName, writeInvTxn);
                }
                if (!nhList.isEmpty()) {
                    if (rd.equals(vpnName)) {
                        // this is an internal vpn - the rd is assigned to the vpn instance name;
                        // remove from FIB directly
                        nhList.forEach(removeAdjacencyFromInternalVpn(nextHop, vpnName, interfaceName, dpnId, writeConfigTxn));
                    } else {
                        removeAdjacencyFromBgpvpn(nextHop, nhList, vpnName, primaryRd, dpnId, rd, interfaceName, writeConfigTxn);
                    }
                } else {
                    LOG.error("removeAdjacenciesFromVpn: nextHop empty for ip {} rd {} adjacencyType {}" + " interface {}", nextHop.getIpAddress(), rd, nextHop.getAdjacencyType().toString(), interfaceName);
                    bgpManager.withdrawPrefixIfPresent(rd, nextHop.getIpAddress());
                    fibManager.removeFibEntry(primaryRd, nextHop.getIpAddress(), writeConfigTxn);
                }
            }
            String ip = nextHop.getIpAddress().split("/")[0];
            LearntVpnVipToPort vpnVipToPort = VpnUtil.getLearntVpnVipToPort(dataBroker, vpnName, ip);
            if (vpnVipToPort != null) {
                VpnUtil.removeLearntVpnVipToPort(dataBroker, vpnName, ip);
                LOG.info("removeAdjacenciesFromVpn: VpnInterfaceManager removed adjacency for Interface {}" + " ip {} on dpn {} for vpn {} from VpnPortData Entry", vpnVipToPort.getPortName(), ip, dpnId, vpnName);
            }
        }
    } else {
        // this vpn interface has no more adjacency left, so clean up the vpn interface from Operational DS
        LOG.info("removeAdjacenciesFromVpn: Vpn Interface {} on vpn {} dpn {} has no adjacencies." + " Removing it.", interfaceName, vpnName, dpnId);
        writeOperTxn.delete(LogicalDatastoreType.OPERATIONAL, identifier);
    }
}

Example 9 with Nexthops

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops in project netvirt by opendaylight.

the class VpnManagerImpl method addExtraRoute.

@Override
public void addExtraRoute(String vpnName, String destination, String nextHop, String rd, String routerID, Long l3vni, RouteOrigin origin, String intfName, Adjacency operationalAdj, VrfEntry.EncapType encapType, WriteTransaction writeConfigTxn) {
    Boolean writeConfigTxnPresent = true;
    if (writeConfigTxn == null) {
        writeConfigTxnPresent = false;
        writeConfigTxn = dataBroker.newWriteOnlyTransaction();
    }
    // add extra route to vpn mapping; advertise with nexthop as tunnel ip
    VpnUtil.syncUpdate(dataBroker, LogicalDatastoreType.OPERATIONAL, VpnExtraRouteHelper.getVpnToExtrarouteVrfIdIdentifier(vpnName, rd != null ? rd : routerID, destination), VpnUtil.getVpnToExtraroute(destination, Collections.singletonList(nextHop)));
    BigInteger dpnId = null;
    if (intfName != null && !intfName.isEmpty()) {
        dpnId = InterfaceUtils.getDpnForInterface(ifaceMgrRpcService, intfName);
        String nextHopIp = InterfaceUtils.getEndpointIpAddressForDPN(dataBroker, dpnId);
        if (nextHopIp == null || nextHopIp.isEmpty()) {
            LOG.error("addExtraRoute: NextHop for interface {} is null / empty." + " Failed advertising extra route for rd {} prefix {} dpn {}", intfName, rd, destination, dpnId);
            return;
        }
        nextHop = nextHopIp;
    }
    String primaryRd = VpnUtil.getPrimaryRd(dataBroker, vpnName);
    // TODO: This is a limitation to be stated in docs. When configuring static route to go to
    // another VPN, there can only be one nexthop or, at least, the nexthop to the interVpnLink should be in
    // first place.
    Optional<InterVpnLinkDataComposite> optVpnLink = interVpnLinkCache.getInterVpnLinkByEndpoint(nextHop);
    if (optVpnLink.isPresent() && optVpnLink.get().isActive()) {
        InterVpnLinkDataComposite interVpnLink = optVpnLink.get();
        // If the nexthop is the endpoint of Vpn2, then prefix must be advertised to Vpn1 in DC-GW, with nexthops
        // pointing to the DPNs where Vpn1 is instantiated. LFIB in these DPNS must have a flow entry, with lower
        // priority, where if Label matches then sets the lportTag of the Vpn2 endpoint and goes to LportDispatcher
        // This is like leaking one of the Vpn2 routes towards Vpn1
        String srcVpnUuid = interVpnLink.getVpnNameByIpAddress(nextHop);
        String dstVpnUuid = interVpnLink.getOtherVpnNameByIpAddress(nextHop);
        String dstVpnRd = VpnUtil.getVpnRd(dataBroker, dstVpnUuid);
        long newLabel = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, VpnUtil.getNextHopLabelKey(dstVpnRd, destination));
        if (newLabel == 0) {
            LOG.error("addExtraRoute: Unable to fetch label from Id Manager. Bailing out of adding intervpnlink" + " route for destination {}", destination);
            return;
        }
        ivpnLinkService.leakRoute(interVpnLink, srcVpnUuid, dstVpnUuid, destination, newLabel, RouteOrigin.STATIC);
    } else {
        Optional<Routes> optVpnExtraRoutes = VpnExtraRouteHelper.getVpnExtraroutes(dataBroker, vpnName, rd != null ? rd : routerID, destination);
        if (optVpnExtraRoutes.isPresent()) {
            List<String> nhList = optVpnExtraRoutes.get().getNexthopIpList();
            if (nhList != null && nhList.size() > 1) {
                // If nhList is greater than one for vpnextraroute, a call to populatefib doesn't update vrfentry.
                fibManager.refreshVrfEntry(primaryRd, destination);
            } else {
                L3vpnInput input = new L3vpnInput().setNextHop(operationalAdj).setNextHopIp(nextHop).setL3vni(l3vni).setPrimaryRd(primaryRd).setVpnName(vpnName).setDpnId(dpnId).setEncapType(encapType).setRd(rd).setRouteOrigin(origin);
                L3vpnRegistry.getRegisteredPopulator(encapType).populateFib(input, writeConfigTxn);
            }
        }
    }
    if (!writeConfigTxnPresent) {
        writeConfigTxn.submit();
    }
}

Example 10 with Nexthops

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.l3vpn.lb.nexthops.Nexthops in project netvirt by opendaylight.

the class IVpnLinkServiceImpl method leakRoute.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
@Override
public void leakRoute(InterVpnLinkDataComposite interVpnLink, String srcVpnUuid, String dstVpnUuid, String prefix, Long label, RouteOrigin forcedOrigin) {
    String ivpnLinkName = interVpnLink.getInterVpnLinkName();
    // The source VPN must participate in the InterVpnLink
    Preconditions.checkArgument(interVpnLink.isVpnLinked(srcVpnUuid), "The source VPN {} does not participate in the interVpnLink {}", srcVpnUuid, ivpnLinkName);
    // The destination VPN must participate in the InterVpnLink
    Preconditions.checkArgument(interVpnLink.isVpnLinked(dstVpnUuid), "The destination VPN {} does not participate in the interVpnLink {}", dstVpnUuid, ivpnLinkName);
    String endpointIp = interVpnLink.getOtherEndpointIpAddr(dstVpnUuid);
    String leakedOrigin = forcedOrigin != null ? forcedOrigin.getValue() : RouteOrigin.INTERVPN.getValue();
    FibHelper.buildRoutePath(endpointIp, label);
    VrfEntry newVrfEntry = new VrfEntryBuilder().setKey(new VrfEntryKey(prefix)).setDestPrefix(prefix).setRoutePaths(Collections.singletonList(FibHelper.buildRoutePath(endpointIp, label))).setOrigin(leakedOrigin).build();
    String dstVpnRd = VpnUtil.getVpnRd(dataBroker, dstVpnUuid);
    InstanceIdentifier<VrfEntry> newVrfEntryIid = InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(dstVpnRd)).child(VrfEntry.class, new VrfEntryKey(newVrfEntry.getDestPrefix())).build();
    VpnUtil.asyncWrite(dataBroker, 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
    List<BigInteger> srcDpnList = interVpnLink.getEndpointDpnsByVpnName(srcVpnUuid);
    List<String> nexthops = srcDpnList.stream().map(dpnId -> InterfaceUtils.getEndpointIpAddressForDPN(dataBroker, dpnId)).collect(Collectors.toList());
    LOG.debug("Advertising route in VPN={} [prefix={} label={}  nexthops={}] to DC-GW", dstVpnRd, newVrfEntry.getDestPrefix(), label.intValue(), nexthops);
    try {
        bgpManager.advertisePrefix(dstVpnRd, null, /*macAddress*/
        prefix, nexthops, VrfEntry.EncapType.Mplsgre, label.intValue(), 0, /*l3vni*/
        0, /*l2vni*/
        null);
    } catch (Exception e) {
        LOG.error("Exception while advertising prefix {} on vpnRd {} for intervpn link", prefix, dstVpnRd, e);
    }
}