Examples with Adjacency org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.Adjacency used on opensource projects

Example 56 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.Adjacency 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 57 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.Adjacency in project netvirt by opendaylight.

the class VpnInterfaceManager method removeGwMacAndArpResponderFlows.

private void removeGwMacAndArpResponderFlows(Adjacency nextHop, long vpnId, BigInteger dpnId, int lportTag, String gwMac, String interfaceName, WriteTransaction writeInvTxn) {
    final Uuid subnetId = nextHop.getSubnetId();
    if (nextHop.getSubnetGatewayMacAddress() == null) {
        // A valid mac-address was not available for this subnet-gateway-ip
        // So a connected-mac-address was used for this subnet and we need
        // to remove the flows for the same here from the L3_GW_MAC_TABLE.
        VpnUtil.setupGwMacIfExternalVpn(dataBroker, mdsalManager, dpnId, interfaceName, vpnId, writeInvTxn, NwConstants.DEL_FLOW, gwMac);
    }
    arpResponderHandler.removeArpResponderFlow(dpnId, lportTag, interfaceName, nextHop.getSubnetGatewayIp(), subnetId);
}

Example 58 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.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 59 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.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 60 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.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);
                        }
                    }
                }
            }
        }
    }
}