Examples with Adjacency org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.Adjacency used on opensource projects

Example 36 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.Adjacency in project netvirt by opendaylight.

the class VpnInterfaceOpListener method postProcessVpnInterfaceRemoval.

private void postProcessVpnInterfaceRemoval(InstanceIdentifier<VpnInterfaceOpDataEntry> identifier, VpnInterfaceOpDataEntry del, WriteTransaction writeOperTxn) {
    final VpnInterfaceOpDataEntryKey key = identifier.firstKeyOf(VpnInterfaceOpDataEntry.class, VpnInterfaceOpDataEntryKey.class);
    String interfaceName = key.getName();
    String vpnName = del.getVpnInstanceName();
    LOG.info("postProcessVpnInterfaceRemoval: interface name {} vpnName {} dpn {}", interfaceName, vpnName, del.getDpnId());
    // decrement the vpn interface count in Vpn Instance Op Data
    Optional<VpnInstance> vpnInstance = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, VpnOperDsUtils.getVpnInstanceToVpnIdIdentifier(vpnName));
    if (vpnInstance.isPresent()) {
        String rd = null;
        rd = vpnInstance.get().getVrfId();
        VpnInstanceOpDataEntry vpnInstOp = VpnUtil.getVpnInstanceOpData(dataBroker, rd);
        AdjacenciesOp adjs = del.getAugmentation(AdjacenciesOp.class);
        List<Adjacency> adjList = adjs != null ? adjs.getAdjacency() : null;
        if (vpnInstOp != null && adjList != null && adjList.size() > 0) {
            /*
                 * When a VPN Interface is removed by FibManager (aka VrfEntryListener and its cohorts),
                 * one adjacency for that VPN Interface will be hanging around along with that
                 * VPN Interface.   That adjacency could be primary (or) non-primary.
                 * If its a primary adjacency, then a prefix-to-interface entry will be available for the
                 * same.  If its a non-primary adjacency, then a prefix-to-interface entry will not be
                 * available for the same, instead we will have vpn-to-extraroutes filled in for them.
                 *
                 * Here we try to remove prefix-to-interface entry for pending adjacency in the deleted
                 * vpnInterface.   More importantly, we also update the vpnInstanceOpData by removing this
                 * vpnInterface from it.
                 */
            List<Prefixes> prefixToInterface = new ArrayList<>();
            for (Adjacency adjacency : adjs.getAdjacency()) {
                List<Prefixes> prefixToInterfaceLocal = new ArrayList<>();
                Optional<Prefixes> prefix = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(vpnInstOp.getVpnId(), VpnUtil.getIpPrefix(adjacency.getIpAddress())));
                if (prefix.isPresent()) {
                    prefixToInterfaceLocal.add(prefix.get());
                }
                if (prefixToInterfaceLocal.isEmpty()) {
                    for (String nh : adjacency.getNextHopIpList()) {
                        prefix = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(vpnInstOp.getVpnId(), VpnUtil.getIpPrefix(nh)));
                        if (prefix.isPresent()) {
                            prefixToInterfaceLocal.add(prefix.get());
                        }
                    }
                }
                if (!prefixToInterfaceLocal.isEmpty()) {
                    prefixToInterface.addAll(prefixToInterfaceLocal);
                }
            }
            /*
                 * In VPN Migration scenarios, there is a race condition where we use the new DPNID
                 * for the migrated VM instead of old DPNID because when we read prefix-to-interface to cleanup
                 * old DPNID, we actually get the new DPNID.
                 *
                 * More dangerously, we tend to alter the new prefix-to-interface which should be retained intac
                 * for the migration to succeed in L3VPN.  As a workaround, here we are going to use the dpnId in
                 * the deleted vpnInterface itself instead of tinkering with the prefix-to-interface.  Further we
                 * will tinker prefix-to-interface only when are damn sure if its value matches our
                 * deleted vpnInterface.
                 *
                 */
            for (Prefixes pref : prefixToInterface) {
                if (isMatchedPrefixToInterface(pref, del)) {
                    if (writeOperTxn != null) {
                        writeOperTxn.delete(LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(vpnInstOp.getVpnId(), pref.getIpAddress()));
                    } else {
                        VpnUtil.delete(dataBroker, LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(vpnInstOp.getVpnId(), pref.getIpAddress()), VpnUtil.DEFAULT_CALLBACK);
                    }
                }
            }
        }
        if (del.getDpnId() != null) {
            vpnFootprintService.updateVpnToDpnMapping(del.getDpnId(), del.getVpnInstanceName(), rd, interfaceName, null, /*ipAddressSourceValuePair*/
            false);
        }
        LOG.info("postProcessVpnInterfaceRemoval: Removed vpn operational data and updated vpn footprint" + " for interface {} on dpn {} vpn {}", interfaceName, del.getDpnId(), vpnName);
    } else {
        LOG.error("postProcessVpnInterfaceRemoval: rd not retrievable as vpninstancetovpnid for vpn {} is absent," + " trying rd as {}. interface {} dpn {}", vpnName, vpnName, interfaceName, del.getDpnId());
    }
    notifyTaskIfRequired(interfaceName);
}

Example 37 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.Adjacency 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 38 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.Adjacency in project netvirt by opendaylight.

the class VpnRpcServiceImpl method addStaticRoute.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
@Override
public Future<RpcResult<AddStaticRouteOutput>> addStaticRoute(AddStaticRouteInput input) {
    SettableFuture<RpcResult<AddStaticRouteOutput>> result = SettableFuture.create();
    String destination = input.getDestination();
    String vpnInstanceName = input.getVpnInstanceName();
    String nexthop = input.getNexthop();
    Long label = input.getLabel();
    LOG.info("Adding static route for Vpn {} with destination {}, nexthop {} and label {}", vpnInstanceName, destination, nexthop, label);
    Collection<RpcError> rpcErrors = validateAddStaticRouteInput(input);
    if (!rpcErrors.isEmpty()) {
        result.set(RpcResultBuilder.<AddStaticRouteOutput>failed().withRpcErrors(rpcErrors).build());
        return result;
    }
    if (label == null || label == 0) {
        label = (long) VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, VpnUtil.getNextHopLabelKey(vpnInstanceName, destination));
        if (label == 0) {
            String message = "Unable to retrieve a new Label for the new Route";
            result.set(RpcResultBuilder.<AddStaticRouteOutput>failed().withError(RpcError.ErrorType.APPLICATION, message).build());
            return result;
        }
    }
    String vpnRd = VpnUtil.getVpnRd(dataBroker, input.getVpnInstanceName());
    VpnInstanceOpDataEntry vpnOpEntry = VpnUtil.getVpnInstanceOpData(dataBroker, vpnRd);
    Boolean isVxlan = VpnUtil.isL3VpnOverVxLan(vpnOpEntry.getL3vni());
    VrfEntry.EncapType encapType = VpnUtil.getEncapType(isVxlan);
    if (vpnRd == null) {
        String message = "Could not find Route-Distinguisher for VpnName " + vpnInstanceName;
        result.set(RpcResultBuilder.<AddStaticRouteOutput>failed().withError(RpcError.ErrorType.APPLICATION, message).build());
        return result;
    }
    Optional<InterVpnLinkDataComposite> optIVpnLink = interVpnLinkCache.getInterVpnLinkByEndpoint(nexthop);
    if (optIVpnLink.isPresent()) {
        try {
            InterVpnLinkUtil.handleStaticRoute(optIVpnLink.get(), vpnInstanceName, destination, nexthop, label.intValue(), dataBroker, fibManager, bgpManager);
        } catch (Exception e) {
            result.set(RpcResultBuilder.<AddStaticRouteOutput>failed().withError(ErrorType.APPLICATION, formatAndLog(LOG::warn, "Could not advertise route [vpn={}, prefix={}, label={}, nexthop={}] to BGP: {}", vpnRd, destination, label, nexthop, e.getMessage(), e)).build());
            return result;
        }
    } else {
        vpnManager.addExtraRoute(vpnInstanceName, destination, nexthop, vpnRd, null, /* routerId */
        vpnOpEntry.getL3vni(), RouteOrigin.STATIC, null, /* intfName */
        null, /*Adjacency*/
        encapType, null);
    }
    AddStaticRouteOutput labelOutput = new AddStaticRouteOutputBuilder().setLabel(label).build();
    result.set(RpcResultBuilder.success(labelOutput).build());
    return result;
}

Example 39 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.Adjacency 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 40 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.Adjacency in project netvirt by opendaylight.

the class TunnelInterfaceStateListener method handleTunnelEventForDPNVpn.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void handleTunnelEventForDPNVpn(StateTunnelList stateTunnelList, Map<Long, String> vpnIdRdMap, TunnelAction tunnelAction, boolean isTepDeletedOnDpn, List<Uuid> subnetList, TunnelEventProcessingMethod method, VpnInterface cfgVpnInterface) {
    String rd;
    String intfName = cfgVpnInterface.getName();
    final BigInteger srcDpnId = new BigInteger(stateTunnelList.getSrcInfo().getTepDeviceId());
    String destTepIp = String.valueOf(stateTunnelList.getDstInfo().getTepIp().getValue());
    String srcTepIp = String.valueOf(stateTunnelList.getSrcInfo().getTepIp().getValue());
    int tunTypeVal = getTunnelType(stateTunnelList);
    BigInteger remoteDpnId = null;
    if (tunTypeVal == VpnConstants.ITMTunnelLocType.Internal.getValue()) {
        remoteDpnId = new BigInteger(stateTunnelList.getDstInfo().getTepDeviceId());
    }
    if (cfgVpnInterface.getVpnInstanceNames() == null) {
        LOG.warn("handleTunnelEventForDpn: no vpnName found for interface {}", intfName);
        return;
    }
    for (VpnInstanceNames vpnInstance : cfgVpnInterface.getVpnInstanceNames()) {
        String vpnName = vpnInstance.getVpnName();
        if (method == TunnelEventProcessingMethod.POPULATESUBNETS) {
            Optional<VpnInterfaceOpDataEntry> opVpnInterface = VpnUtil.getVpnInterfaceOpDataEntry(dataBroker, intfName, vpnName);
            if (opVpnInterface.isPresent() && !opVpnInterface.get().isScheduledForRemove()) {
                VpnInterfaceOpDataEntry vpnInterface = opVpnInterface.get();
                jobCoordinator.enqueueJob("VPNINTERFACE-" + intfName, new UpdateVpnInterfaceOnTunnelEvent(tunnelAction, vpnInterface, stateTunnelList, isTepDeletedOnDpn));
                // Populate the List of subnets
                InstanceIdentifier<PortOpDataEntry> portOpIdentifier = InstanceIdentifier.builder(PortOpData.class).child(PortOpDataEntry.class, new PortOpDataEntryKey(intfName)).build();
                Optional<PortOpDataEntry> optionalPortOp = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, portOpIdentifier);
                if (optionalPortOp.isPresent()) {
                    List<Uuid> subnetIdList = optionalPortOp.get().getSubnetIds();
                    if (subnetIdList != null) {
                        for (Uuid subnetId : subnetIdList) {
                            if (!subnetList.contains(subnetId)) {
                                subnetList.add(subnetId);
                            }
                        }
                    }
                }
                // Populate the map for VpnId-to-Rd
                long vpnId = VpnUtil.getVpnId(dataBroker, vpnName);
                rd = VpnUtil.getVpnRd(dataBroker, vpnName);
                vpnIdRdMap.put(vpnId, rd);
            }
        } else if (method == TunnelEventProcessingMethod.MANAGEREMOTEROUTES) {
            Optional<VpnInterfaceOpDataEntry> opVpnInterface = VpnUtil.getVpnInterfaceOpDataEntry(dataBroker, intfName, vpnName);
            if (opVpnInterface.isPresent()) {
                VpnInterfaceOpDataEntry vpnInterface = opVpnInterface.get();
                AdjacenciesOp adjacencies = vpnInterface.getAugmentation(AdjacenciesOp.class);
                List<Adjacency> adjList = adjacencies != null ? adjacencies.getAdjacency() : Collections.emptyList();
                String prefix = null;
                long vpnId = VpnUtil.getVpnId(dataBroker, vpnInterface.getVpnInstanceName());
                if (vpnIdRdMap.containsKey(vpnId)) {
                    rd = vpnIdRdMap.get(vpnId);
                    LOG.info("handleTunnelEventForDPN: Remote DpnId {} VpnId {} rd {} VpnInterface {} srcTepIp " + "{} destTepIp {}", remoteDpnId, vpnId, rd, vpnInterface, srcTepIp, destTepIp);
                    for (Adjacency adj : adjList) {
                        prefix = adj.getIpAddress();
                        long label = adj.getLabel();
                        if (tunnelAction == TunnelAction.TUNNEL_EP_ADD && tunTypeVal == VpnConstants.ITMTunnelLocType.Internal.getValue()) {
                            fibManager.manageRemoteRouteOnDPN(true, srcDpnId, vpnId, rd, prefix, destTepIp, label);
                        }
                        if (tunnelAction == TunnelAction.TUNNEL_EP_DELETE && tunTypeVal == VpnConstants.ITMTunnelLocType.Internal.getValue()) {
                            fibManager.manageRemoteRouteOnDPN(false, srcDpnId, vpnId, rd, prefix, destTepIp, label);
                        }
                    }
                }
            }
        }
    }
}