Examples with Config org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.afi.safi.graceful.restart.Config used on opensource projects

Example 36 with Config

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.afi.safi.graceful.restart.Config in project netvirt by opendaylight.

the class NodeConnectedHandlerTest method testD1Connect.

@Test
// need to fix this Test. Actual functionality is fine
@Ignore
public void testD1Connect() throws Exception {
    ManagedNewTransactionRunner txRunner = new ManagedNewTransactionRunnerImpl(getDataBroker());
    txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, tx -> handlerUtils.addPsNode(d1PsNodePath, d1NodePath, DataProvider.getPortNameListD1(), tx)).get();
    txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, tx -> handlerUtils.addNode(d1NodePath, d1PsNodePath, DataProvider.getLogicalSwitchDataD1(), DataProvider.getLocalUcasMacDataD1(), DataProvider.getLocalMcastDataD1(), DataProvider.getRemoteMcastDataD1(), DataProvider.getRemoteUcasteMacDataD1(), DataProvider.getGlobalTerminationPointIpD1(), tx)).get();
    readNodes();
    txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, confTx -> txRunner.callWithNewReadWriteTransactionAndSubmit(OPERATIONAL, operTx -> nodeConnectedHandler.handleNodeConnected(d1GlobalOpNode.get(), d1NodePath, haNodePath, haGlobalConfigNode, haPsConfigNode, confTx, operTx)).get()).get();
    readNodes();
    // verify global ha manager config should have ha_children
    Assert.assertTrue(haGlobalConfigNode.isPresent());
    Assert.assertTrue(d1GlobalOpNode.isPresent());
    TestUtil.verifyHAconfigNode(haGlobalConfigNode.get(), d1GlobalOpNode.get());
    Assert.assertTrue(d1GlobalOpNode.isPresent());
    Assert.assertTrue(haGlobalOpNode.isPresent());
    Assert.assertTrue(d1PsOpNode.isPresent());
    Assert.assertTrue(haPsOpNode.isPresent());
    TestUtil.verifyHAOpNode(d1GlobalOpNode.get(), haGlobalOpNode.get(), d1PsOpNode.get(), haPsOpNode.get(), haNodePath, d1PsNodePath, haPsNodePath, getDataBroker());
}

Example 37 with Config

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.afi.safi.graceful.restart.Config in project netvirt by opendaylight.

the class VpnInterfaceManager method addVpnInterfaceToVpn.

private void addVpnInterfaceToVpn(final InstanceIdentifier<VpnInterfaceOpDataEntry> vpnInterfaceOpIdentifier, final VpnInterface vpnInterface, @Nullable final List<Adjacency> oldAdjs, @Nullable final List<Adjacency> newAdjs, final InstanceIdentifier<VpnInterface> identifier, String vpnName) {
    final VpnInterfaceKey key = identifier.firstKeyOf(VpnInterface.class);
    final String interfaceName = key.getName();
    String primaryRd = vpnUtil.getPrimaryRd(vpnName);
    if (!vpnUtil.isVpnPendingDelete(primaryRd)) {
        Interface interfaceState = InterfaceUtils.getInterfaceStateFromOperDS(dataBroker, interfaceName);
        boolean isBgpVpnInternetVpn = vpnUtil.isBgpVpnInternet(vpnName);
        if (interfaceState != null) {
            try {
                final Uint64 dpnId = InterfaceUtils.getDpIdFromInterface(interfaceState);
                final int ifIndex = interfaceState.getIfIndex();
                jobCoordinator.enqueueJob("VPNINTERFACE-" + interfaceName, () -> {
                    // TODO Deal with sequencing — the config tx must only submitted if the oper tx goes in
                    // (the inventory tx goes in last)
                    List<ListenableFuture<?>> futures = new ArrayList<>();
                    // set of prefix used, as entry in prefix-to-interface datastore
                    // is prerequisite for refresh Fib to avoid race condition leading to
                    // missing remote next hop in bucket actions on bgp-vpn delete
                    Set<String> prefixListForRefreshFib = new HashSet<>();
                    ListenableFuture<?> confFuture = txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, confTx -> futures.add(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, operTx -> futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, invTx -> {
                        LOG.info("addVpnInterface: VPN Interface add event - intfName {} vpnName {}" + " on dpn {}", vpnInterface.getName(), vpnName, vpnInterface.getDpnId());
                        processVpnInterfaceUp(dpnId, vpnInterface, primaryRd, ifIndex, false, confTx, operTx, invTx, interfaceState, vpnName, prefixListForRefreshFib);
                        if (oldAdjs != null && !oldAdjs.equals(newAdjs)) {
                            LOG.info("addVpnInterface: Adjacency changed upon VPNInterface {}" + " Update for swapping VPN {} case.", interfaceName, vpnName);
                            if (newAdjs != null) {
                                for (Adjacency adj : newAdjs) {
                                    if (oldAdjs.contains(adj)) {
                                        oldAdjs.remove(adj);
                                    } else {
                                        if (!isBgpVpnInternetVpn || vpnUtil.isAdjacencyEligibleToVpnInternet(adj)) {
                                            addNewAdjToVpnInterface(vpnInterfaceOpIdentifier, primaryRd, adj, dpnId, operTx, confTx, invTx, prefixListForRefreshFib);
                                        }
                                    }
                                }
                            }
                            for (Adjacency adj : oldAdjs) {
                                if (!isBgpVpnInternetVpn || vpnUtil.isAdjacencyEligibleToVpnInternet(adj)) {
                                    delAdjFromVpnInterface(vpnInterfaceOpIdentifier, adj, dpnId, operTx, confTx);
                                }
                            }
                        }
                    })))));
                    Futures.addCallback(confFuture, new VpnInterfaceCallBackHandler(primaryRd, prefixListForRefreshFib), MoreExecutors.directExecutor());
                    futures.add(confFuture);
                    Futures.addCallback(confFuture, new PostVpnInterfaceWorker(interfaceName, true, "Config"), MoreExecutors.directExecutor());
                    LOG.info("addVpnInterface: Addition of interface {} in VPN {} on dpn {}" + " processed successfully", interfaceName, vpnName, dpnId);
                    return futures;
                });
            } catch (NumberFormatException | IllegalStateException e) {
                LOG.error("addVpnInterface: Unable to retrieve dpnId from interface operational data store for " + "interface {}. Interface addition on vpn {} failed", interfaceName, vpnName, e);
                return;
            }
        } else if (Boolean.TRUE.equals(vpnInterface.isRouterInterface())) {
            jobCoordinator.enqueueJob("VPNINTERFACE-" + vpnInterface.getName(), () -> {
                ListenableFuture<?> future = txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, confTx -> {
                    createFibEntryForRouterInterface(primaryRd, vpnInterface, interfaceName, confTx, vpnName);
                    LOG.info("addVpnInterface: Router interface {} for vpn {} on dpn {}", interfaceName, vpnName, vpnInterface.getDpnId());
                });
                LoggingFutures.addErrorLogging(future, LOG, "Error creating FIB entry for interface {} on VPN {}", vpnInterface.getName(), vpnName);
                return Collections.singletonList(future);
            });
        } else {
            LOG.info("addVpnInterface: Handling addition of VPN interface {} on vpn {} skipped as interfaceState" + " is not available", interfaceName, vpnName);
        }
    } else {
        LOG.error("addVpnInterface: Handling addition of VPN interface {} on vpn {} dpn {} skipped" + " as vpn is pending delete", interfaceName, vpnName, vpnInterface.getDpnId());
    }
}

Example 38 with Config

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.afi.safi.graceful.restart.Config in project netvirt by opendaylight.

the class VpnInterfaceManager method updateVpnInstanceAdjChange.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private List<ListenableFuture<?>> updateVpnInstanceAdjChange(VpnInterface original, VpnInterface update, String vpnInterfaceName, List<ListenableFuture<?>> futures) {
    final Adjacencies origAdjs = original.augmentation(Adjacencies.class);
    final List<Adjacency> oldAdjs = origAdjs != null && origAdjs.getAdjacency() != null ? new ArrayList<>(origAdjs.getAdjacency().values()) : new ArrayList<>();
    final Adjacencies updateAdjs = update.augmentation(Adjacencies.class);
    final List<Adjacency> newAdjs = updateAdjs != null && updateAdjs.getAdjacency() != null ? new ArrayList<>(updateAdjs.getAdjacency().values()) : new ArrayList<>();
    final Uint64 dpnId = InterfaceUtils.getDpnForInterface(ifaceMgrRpcService, vpnInterfaceName);
    for (VpnInstanceNames vpnInterfaceVpnInstance : update.nonnullVpnInstanceNames().values()) {
        String newVpnName = vpnInterfaceVpnInstance.getVpnName();
        List<Adjacency> copyNewAdjs = new ArrayList<>(newAdjs);
        List<Adjacency> copyOldAdjs = new ArrayList<>(oldAdjs);
        String primaryRd = vpnUtil.getPrimaryRd(newVpnName);
        if (!vpnUtil.isVpnPendingDelete(primaryRd)) {
            // TODO Deal with sequencing — the config tx must only submitted if the oper tx goes in
            // set of prefix used as entry in prefix-to-interface datastore
            // is prerequisite for refresh Fib to avoid race condition leading to missing remote next hop
            // in bucket actions on bgp-vpn delete
            Set<String> prefixListForRefreshFib = new HashSet<>();
            ListenableFuture<?> configTxFuture = txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, confTx -> futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(OPERATIONAL, operTx -> {
                InstanceIdentifier<VpnInterfaceOpDataEntry> vpnInterfaceOpIdentifier = VpnUtil.getVpnInterfaceOpDataEntryIdentifier(vpnInterfaceName, newVpnName);
                LOG.info("VPN Interface update event-intfName {} onto vpnName {} running config-driven", update.getName(), newVpnName);
                // handle both addition and removal of adjacencies
                // currently, new adjacency may be an extra route
                boolean isBgpVpnInternetVpn = vpnUtil.isBgpVpnInternet(newVpnName);
                if (!oldAdjs.equals(newAdjs)) {
                    for (Adjacency adj : copyNewAdjs) {
                        if (copyOldAdjs.contains(adj)) {
                            copyOldAdjs.remove(adj);
                        } else {
                            // add new adjacency
                            if (!isBgpVpnInternetVpn || vpnUtil.isAdjacencyEligibleToVpnInternet(adj)) {
                                try {
                                    addNewAdjToVpnInterface(vpnInterfaceOpIdentifier, primaryRd, adj, dpnId, operTx, confTx, confTx, prefixListForRefreshFib);
                                } catch (RuntimeException e) {
                                    LOG.error("Failed to add adjacency {} to vpn interface {} with" + " dpnId {}", adj, vpnInterfaceName, dpnId, e);
                                }
                            }
                            LOG.info("update: new Adjacency {} with nextHop {} label {} subnet {} " + " added to vpn interface {} on vpn {} dpnId {}", adj.getIpAddress(), adj.getNextHopIpList(), adj.getLabel(), adj.getSubnetId(), update.getName(), newVpnName, dpnId);
                        }
                    }
                    for (Adjacency adj : copyOldAdjs) {
                        if (!isBgpVpnInternetVpn || vpnUtil.isAdjacencyEligibleToVpnInternet(adj)) {
                            if (adj.getAdjacencyType() == AdjacencyType.PrimaryAdjacency && !adj.isPhysNetworkFunc()) {
                                delAdjFromVpnInterface(vpnInterfaceOpIdentifier, adj, dpnId, operTx, confTx);
                                // remove FIB entry
                                String vpnRd = vpnUtil.getVpnRd(newVpnName);
                                LOG.debug("update: remove prefix {} from the FIB and BGP entry " + "for the Vpn-Rd {} ", adj.getIpAddress(), vpnRd);
                                // remove BGP entry
                                fibManager.removeFibEntry(vpnRd, adj.getIpAddress(), null, confTx);
                                if (vpnRd != null && !vpnRd.equalsIgnoreCase(newVpnName)) {
                                    bgpManager.withdrawPrefix(vpnRd, adj.getIpAddress());
                                }
                            } else {
                                delAdjFromVpnInterface(vpnInterfaceOpIdentifier, adj, dpnId, operTx, confTx);
                            }
                        }
                        LOG.info("update: Adjacency {} with nextHop {} label {} subnet {} removed from" + " vpn interface {} on vpn {}", adj.getIpAddress(), adj.getNextHopIpList(), adj.getLabel(), adj.getSubnetId(), update.getName(), newVpnName);
                    }
                }
            })));
            Futures.addCallback(configTxFuture, new VpnInterfaceCallBackHandler(primaryRd, prefixListForRefreshFib), MoreExecutors.directExecutor());
            futures.add(configTxFuture);
            for (ListenableFuture<?> future : futures) {
                LoggingFutures.addErrorLogging(future, LOG, "update: failed for interface {} on vpn {}", update.getName(), update.getVpnInstanceNames());
            }
        } else {
            LOG.error("update: Ignoring update of vpnInterface {}, as newVpnInstance {} with primaryRd {}" + " is already marked for deletion", vpnInterfaceName, newVpnName, primaryRd);
        }
    }
    return futures;
}

Example 39 with Config

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.afi.safi.graceful.restart.Config in project netvirt by opendaylight.

the class VpnInterfaceManager method processVpnInterfaceUp.

// "Unconditional wait" and "Wait not in loop" wrt the VpnNotifyTask below - suppressing the FB violation -
// see comments below.
@SuppressFBWarnings({ "UW_UNCOND_WAIT", "WA_NOT_IN_LOOP" })
protected void processVpnInterfaceUp(final Uint64 dpId, VpnInterface vpnInterface, final String primaryRd, final int lportTag, boolean isInterfaceUp, TypedWriteTransaction<Configuration> writeConfigTxn, TypedWriteTransaction<Operational> writeOperTxn, TypedReadWriteTransaction<Configuration> writeInvTxn, Interface interfaceState, final String vpnName, Set<String> prefixListForRefreshFib) throws ExecutionException, InterruptedException {
    final String interfaceName = vpnInterface.getName();
    Optional<VpnInterfaceOpDataEntry> optOpVpnInterface = vpnUtil.getVpnInterfaceOpDataEntry(interfaceName, vpnName);
    VpnInterfaceOpDataEntry opVpnInterface = optOpVpnInterface.isPresent() ? optOpVpnInterface.get() : null;
    boolean isBgpVpnInternetVpn = vpnUtil.isBgpVpnInternet(vpnName);
    if (!isInterfaceUp) {
        LOG.info("processVpnInterfaceUp: Binding vpn service to interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
        Uint32 vpnId = vpnUtil.getVpnId(vpnName);
        if (VpnConstants.INVALID_ID.equals(vpnId)) {
            LOG.warn("processVpnInterfaceUp: VpnInstance to VPNId mapping not available for VpnName {}" + " processing vpninterface {} on dpn {}, bailing out now.", vpnName, interfaceName, dpId);
            return;
        }
        boolean waitForVpnInterfaceOpRemoval = false;
        if (opVpnInterface != null) {
            String opVpnName = opVpnInterface.getVpnInstanceName();
            String primaryInterfaceIp = null;
            if (Objects.equals(opVpnName, vpnName)) {
                // Please check if the primary VRF Entry does not exist for VPNInterface
                // If so, we have to process ADD, as this might be a DPN Restart with Remove and Add triggered
                // back to back
                // However, if the primary VRF Entry for this VPNInterface exists, please continue bailing out !
                List<Adjacency> adjs = vpnUtil.getAdjacenciesForVpnInterfaceFromConfig(interfaceName);
                if (adjs == null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} on dpn {} for vpn {} failed as adjacencies" + " for this vpn interface could not be obtained", interfaceName, dpId, vpnName);
                    return;
                }
                for (Adjacency adj : adjs) {
                    if (adj.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
                        primaryInterfaceIp = adj.getIpAddress();
                        break;
                    }
                }
                if (primaryInterfaceIp == null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} addition on dpn {} for vpn {} failed" + " as primary adjacency for this vpn interface could not be obtained", interfaceName, dpId, vpnName);
                    return;
                }
                // Get the rd of the vpn instance
                VrfEntry vrf = vpnUtil.getVrfEntry(primaryRd, primaryInterfaceIp);
                if (vrf != null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} on dpn {} for vpn {} already provisioned ," + " bailing out from here.", interfaceName, dpId, vpnName);
                    return;
                }
                waitForVpnInterfaceOpRemoval = true;
            } else {
                LOG.error("processVpnInterfaceUp: vpn interface {} to go to configured vpn {} on dpn {}," + " but in operational vpn {}", interfaceName, vpnName, dpId, opVpnName);
            }
        }
        if (!waitForVpnInterfaceOpRemoval) {
            // Add the VPNInterface and quit
            vpnFootprintService.updateVpnToDpnMapping(dpId, vpnName, primaryRd, interfaceName, null, /*ipAddressSourceValuePair*/
            true);
            processVpnInterfaceAdjacencies(dpId, lportTag, vpnName, primaryRd, interfaceName, vpnId, writeConfigTxn, writeOperTxn, writeInvTxn, interfaceState, prefixListForRefreshFib);
            if (!isBgpVpnInternetVpn) {
                vpnUtil.bindService(vpnName, interfaceName, false);
            }
            LOG.info("processVpnInterfaceUp: Plumbed vpn interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
            if (interfaceManager.isExternalInterface(interfaceName)) {
                processExternalVpnInterface(interfaceName, vpnName, dpId, lportTag, NwConstants.ADD_FLOW);
            }
            return;
        }
        // FIB didn't get a chance yet to clean up this VPNInterface
        // Let us give it a chance here !
        LOG.info("processVpnInterfaceUp: Trying to add VPN Interface {} on dpn {} for vpn {}," + " but waiting for FIB to clean up! ", interfaceName, dpId, vpnName);
        try {
            Runnable notifyTask = new VpnNotifyTask();
            synchronized (notifyTask) {
                // Per FB's "Unconditional wait" violation, the code should really verify that the condition it
                // intends to wait for is not already satisfied before calling wait. However the VpnNotifyTask is
                // published here while holding the lock on it so this path will hit the wait before notify can be
                // invoked.
                vpnIntfMap.put(interfaceName, notifyTask);
                try {
                    notifyTask.wait(VpnConstants.MAX_WAIT_TIME_IN_MILLISECONDS);
                } catch (InterruptedException e) {
                // Ignored
                }
            }
        } finally {
            vpnIntfMap.remove(interfaceName);
        }
        if (opVpnInterface != null) {
            LOG.warn("processVpnInterfaceUp: VPN Interface {} removal on dpn {} for vpn {}" + " by FIB did not complete on time," + " bailing addition ...", interfaceName, dpId, vpnName);
            vpnUtil.unsetScheduledToRemoveForVpnInterface(interfaceName);
            return;
        }
        // VPNInterface got removed, proceed with Add
        LOG.info("processVpnInterfaceUp: Continuing to plumb vpn interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
        vpnFootprintService.updateVpnToDpnMapping(dpId, vpnName, primaryRd, interfaceName, null, /*ipAddressSourceValuePair*/
        true);
        processVpnInterfaceAdjacencies(dpId, lportTag, vpnName, primaryRd, interfaceName, vpnId, writeConfigTxn, writeOperTxn, writeInvTxn, interfaceState, prefixListForRefreshFib);
        if (!isBgpVpnInternetVpn) {
            vpnUtil.bindService(vpnName, interfaceName, false);
        }
        LOG.info("processVpnInterfaceUp: Plumbed vpn interface {} onto dpn {} for vpn {} after waiting for" + " FIB to clean up", interfaceName, dpId, vpnName);
        if (interfaceManager.isExternalInterface(interfaceName)) {
            processExternalVpnInterface(interfaceName, vpnName, dpId, lportTag, NwConstants.ADD_FLOW);
        }
    } else {
        try {
            // Interface is retained in the DPN, but its Link Up.
            // Advertise prefixes again for this interface to BGP
            InstanceIdentifier<VpnInterface> identifier = VpnUtil.getVpnInterfaceIdentifier(vpnInterface.getName());
            InstanceIdentifier<VpnInterfaceOpDataEntry> vpnInterfaceOpIdentifier = VpnUtil.getVpnInterfaceOpDataEntryIdentifier(interfaceName, vpnName);
            advertiseAdjacenciesForVpnToBgp(primaryRd, dpId, vpnInterfaceOpIdentifier, vpnName, interfaceName);
            // Perform similar operation as interface add event for extraroutes.
            InstanceIdentifier<Adjacencies> path = identifier.augmentation(Adjacencies.class);
            Optional<Adjacencies> optAdjacencies = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, path);
            if (!optAdjacencies.isPresent()) {
                LOG.trace("No config adjacencyKeyAdjacencyMap present for vpninterface {}", vpnInterface);
                return;
            }
            Map<AdjacencyKey, Adjacency> adjacencyKeyAdjacencyMap = optAdjacencies.get().nonnullAdjacency();
            for (Adjacency adjacency : adjacencyKeyAdjacencyMap.values()) {
                if (adjacency.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
                    continue;
                }
                // if BGPVPN Internet, filter only IPv6 Adjacencies
                if (isBgpVpnInternetVpn && !vpnUtil.isAdjacencyEligibleToVpnInternet(adjacency)) {
                    continue;
                }
                addNewAdjToVpnInterface(vpnInterfaceOpIdentifier, primaryRd, adjacency, dpId, writeOperTxn, writeConfigTxn, writeInvTxn, prefixListForRefreshFib);
            }
        } catch (InterruptedException | ExecutionException e) {
            LOG.error("processVpnInterfaceUp: Failed to read data store for interface {} vpn {} rd {} dpn {}", interfaceName, vpnName, primaryRd, dpId);
        }
    }
}

Example 40 with Config

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.multiprotocol.rev151009.bgp.common.afi.safi.list.afi.safi.graceful.restart.Config in project netvirt by opendaylight.

the class TunnelEndPointChangeListener method add.

@Override
public void add(InstanceIdentifier<TunnelEndPoints> key, TunnelEndPoints tep) {
    Uint64 dpnId = key.firstIdentifierOf(DPNTEPsInfo.class).firstKeyOf(DPNTEPsInfo.class).getDPNID();
    if (Uint64.ZERO.equals(dpnId)) {
        LOG.warn("add: Invalid DPN id for TEP {}", tep.getInterfaceName());
        return;
    }
    List<VpnInstance> vpnInstances = VpnHelper.getAllVpnInstances(broker);
    if (vpnInstances == null || vpnInstances.isEmpty()) {
        LOG.warn("add: dpnId: {}: tep: {}: No VPN instances defined", dpnId, tep.getInterfaceName());
        return;
    }
    for (VpnInstance vpnInstance : vpnInstances) {
        final String vpnName = vpnInstance.getVpnInstanceName();
        final Uint32 vpnId = vpnUtil.getVpnId(vpnName);
        LOG.info("add: Handling TEP {} add for VPN instance {}", tep.getInterfaceName(), vpnName);
        final String primaryRd = vpnUtil.getPrimaryRd(vpnName);
        if (!vpnUtil.isVpnPendingDelete(primaryRd)) {
            List<VpnInterfaces> vpnInterfaces = vpnUtil.getDpnVpnInterfaces(vpnInstance, dpnId);
            if (vpnInterfaces != null) {
                for (VpnInterfaces vpnInterface : vpnInterfaces) {
                    String vpnInterfaceName = vpnInterface.getInterfaceName();
                    jobCoordinator.enqueueJob("VPNINTERFACE-" + vpnInterfaceName, () -> {
                        final org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface interfaceState = InterfaceUtils.getInterfaceStateFromOperDS(broker, vpnInterfaceName);
                        if (interfaceState == null) {
                            LOG.debug("add: Cannot retrieve interfaceState for vpnInterfaceName {}, " + "cannot generate lPortTag and process adjacencies", vpnInterfaceName);
                            return Collections.emptyList();
                        }
                        final int lPortTag = interfaceState.getIfIndex();
                        List<ListenableFuture<?>> futures = new ArrayList<>();
                        Set<String> prefixesForRefreshFib = new HashSet<>();
                        ListenableFuture<?> writeConfigFuture = txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, writeConfigTxn -> futures.add(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, writeOperTxn -> futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, writeInvTxn -> vpnInterfaceManager.processVpnInterfaceAdjacencies(dpnId, lPortTag, vpnName, primaryRd, vpnInterfaceName, vpnId, writeConfigTxn, writeOperTxn, writeInvTxn, interfaceState, prefixesForRefreshFib))))));
                        Futures.addCallback(writeConfigFuture, new FutureCallback<Object>() {

                            @Override
                            public void onSuccess(Object voidObj) {
                                prefixesForRefreshFib.forEach(prefix -> {
                                    fibManager.refreshVrfEntry(primaryRd, prefix);
                                });
                            }

                            @Override
                            public void onFailure(Throwable throwable) {
                                LOG.debug("addVpnInterface: write Tx config execution failed", throwable);
                            }
                        }, MoreExecutors.directExecutor());
                        futures.add(writeConfigFuture);
                        LOG.trace("add: Handled TEP {} add for VPN instance {} VPN interface {}", tep.getInterfaceName(), vpnName, vpnInterfaceName);
                        return futures;
                    });
                }
            }
        } else {
            LOG.error("add: Ignoring addition of tunnel interface {} dpn {} for vpnInstance {} with primaryRd {}," + " as the VPN is already marked for deletion", tep.getInterfaceName(), dpnId, vpnName, primaryRd);
        }
    }
}