Examples with VpnTargetKey org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.vpn.instance.vpntargets.VpnTargetKey used on opensource projects

Example 6 with VpnTargetKey

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.vpn.instance.vpntargets.VpnTargetKey in project netvirt by opendaylight.

the class VpnServiceTest method test.

@Test
public void test() {
    List<VpnTarget> vpnTargetList = new ArrayList<>();
    VpnTarget vpneRTarget = new VpnTargetBuilder().withKey(new VpnTargetKey("100:1")).setVrfRTValue("100:1").setVrfRTType(VpnTarget.VrfRTType.ExportExtcommunity).build();
    VpnTarget vpniRTarget = new VpnTargetBuilder().withKey(new VpnTargetKey("100:2")).setVrfRTValue("100:2").setVrfRTType(VpnTarget.VrfRTType.ImportExtcommunity).build();
    vpnTargetList.add(vpneRTarget);
    vpnTargetList.add(vpniRTarget);
    VpnTargets vpnTargets = new VpnTargetsBuilder().setVpnTarget(vpnTargetList).build();
    VpnInstanceBuilder builder = new VpnInstanceBuilder().withKey(new VpnInstanceKey("Vpn1")).setRouteDistinguisher(Arrays.asList("100:1", "100:2:")).setVpnTargets(vpnTargets);
    VpnInstance instance = builder.build();
// TODO: Need to enhance the test case to handle ds read/write ops
// vpnManager.onDataChanged(event);
}

Example 7 with VpnTargetKey

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.vpn.instance.vpntargets.VpnTargetKey in project netvirt by opendaylight.

the class VpnOpStatusListener method update.

@Override
@SuppressWarnings("checkstyle:IllegalCatch")
public void update(InstanceIdentifier<VpnInstanceOpDataEntry> identifier, VpnInstanceOpDataEntry original, VpnInstanceOpDataEntry update) {
    LOG.info("update: Processing update for vpn {} with rd {}", update.getVpnInstanceName(), update.getVrfId());
    if (update.getVpnState() == VpnInstanceOpDataEntry.VpnState.PendingDelete && vpnFootprintService.isVpnFootPrintCleared(update)) {
        // Cleanup VPN data
        final String vpnName = update.getVpnInstanceName();
        final List<String> rds = update.getRd();
        String primaryRd = update.getVrfId();
        final Uint32 vpnId = vpnUtil.getVpnId(vpnName);
        jobCoordinator.enqueueJob("VPN-" + update.getVpnInstanceName(), () -> {
            // Two transactions are used, one for operational, one for config; we only submit the config
            // transaction if the operational transaction succeeds
            ListenableFuture<?> operationalFuture = txRunner.callWithNewWriteOnlyTransactionAndSubmit(Datastore.OPERATIONAL, operTx -> {
                // Clean up VPNExtraRoutes Operational DS
                if (rds != null && VpnUtil.isBgpVpn(vpnName, primaryRd)) {
                    if (update.getType() == VpnInstanceOpDataEntry.Type.L2) {
                        rds.parallelStream().forEach(rd -> bgpManager.deleteVrf(rd, false, AddressFamily.L2VPN));
                    }
                    if (update.getIpAddressFamilyConfigured() == VpnInstanceOpDataEntry.IpAddressFamilyConfigured.Ipv4) {
                        rds.parallelStream().forEach(rd -> bgpManager.deleteVrf(rd, false, AddressFamily.IPV4));
                    }
                    if (update.getIpAddressFamilyConfigured() == VpnInstanceOpDataEntry.IpAddressFamilyConfigured.Ipv6) {
                        rds.parallelStream().forEach(rd -> bgpManager.deleteVrf(rd, false, AddressFamily.IPV6));
                    }
                    if (update.getIpAddressFamilyConfigured() == VpnInstanceOpDataEntry.IpAddressFamilyConfigured.Ipv4AndIpv6) {
                        rds.parallelStream().forEach(rd -> bgpManager.deleteVrf(rd, false, AddressFamily.IPV4));
                        rds.parallelStream().forEach(rd -> bgpManager.deleteVrf(rd, false, AddressFamily.IPV6));
                    }
                }
                InstanceIdentifier<Vpn> vpnToExtraroute = VpnExtraRouteHelper.getVpnToExtrarouteVpnIdentifier(vpnName);
                Optional<Vpn> optVpnToExtraroute = Optional.empty();
                try {
                    optVpnToExtraroute = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, vpnToExtraroute);
                } catch (InterruptedException | ExecutionException e) {
                    LOG.error("update: Failed to read VpnToExtraRoute for vpn {}", vpnName);
                }
                if (optVpnToExtraroute.isPresent()) {
                    VpnUtil.removeVpnExtraRouteForVpn(vpnName, operTx);
                }
                if (VpnUtil.isL3VpnOverVxLan(update.getL3vni())) {
                    vpnUtil.removeExternalTunnelDemuxFlows(vpnName);
                }
                // Clean up PrefixToInterface Operational DS
                Optional<VpnIds> optPrefixToIntf = Optional.empty();
                try {
                    optPrefixToIntf = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(vpnId));
                } catch (InterruptedException | ExecutionException e) {
                    LOG.error("update: Failed to read PrefixToInterface for vpn {}", vpnName);
                }
                if (optPrefixToIntf.isPresent()) {
                    VpnUtil.removePrefixToInterfaceForVpnId(vpnId, operTx);
                }
                // Clean up L3NextHop Operational DS
                InstanceIdentifier<VpnNexthops> vpnNextHops = InstanceIdentifier.builder(L3nexthop.class).child(VpnNexthops.class, new VpnNexthopsKey(vpnId)).build();
                Optional<VpnNexthops> optL3nexthopForVpnId = Optional.empty();
                try {
                    optL3nexthopForVpnId = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, vpnNextHops);
                } catch (InterruptedException | ExecutionException e) {
                    LOG.error("update: Failed to read VpnNextHops for vpn {}", vpnName);
                }
                if (optL3nexthopForVpnId.isPresent()) {
                    VpnUtil.removeL3nexthopForVpnId(vpnId, operTx);
                }
                // Clean up VPNInstanceOpDataEntry
                VpnUtil.removeVpnOpInstance(primaryRd, operTx);
            });
            Futures.addCallback(operationalFuture, new FutureCallback<Object>() {

                @Override
                public void onSuccess(Object result) {
                    Futures.addCallback(txRunner.callWithNewWriteOnlyTransactionAndSubmit(Datastore.CONFIGURATION, confTx -> {
                        // Clean up VpnInstanceToVpnId from Config DS
                        VpnUtil.removeVpnIdToVpnInstance(vpnId, confTx);
                        VpnUtil.removeVpnInstanceToVpnId(vpnName, confTx);
                        LOG.trace("Removed vpnIdentifier for  rd{} vpnname {}", primaryRd, vpnName);
                        // Clean up FIB Entries Config DS
                        // FIXME: separate out to somehow?
                        final ReentrantLock lock = JvmGlobalLocks.getLockForString(vpnName);
                        lock.lock();
                        try {
                            fibManager.removeVrfTable(primaryRd, confTx);
                        } finally {
                            lock.unlock();
                        }
                    }), new VpnOpStatusListener.PostDeleteVpnInstanceWorker(vpnName), MoreExecutors.directExecutor());
                // Note: Release the of VpnId will happen in PostDeleteVpnInstancWorker only if
                // operationalTxn/Config succeeds.
                }

                @Override
                public void onFailure(Throwable throwable) {
                    LOG.error("Error deleting VPN {}", vpnName, throwable);
                }
            }, MoreExecutors.directExecutor());
            LOG.info("Removed vpn data for vpnname {}", vpnName);
            return Collections.singletonList(operationalFuture);
        }, SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
    } else if (update.getVpnState() == VpnInstanceOpDataEntry.VpnState.Created) {
        final String vpnName = update.getVpnInstanceName();
        String primaryRd = update.getVrfId();
        if (!VpnUtil.isBgpVpn(vpnName, primaryRd)) {
            return;
        }
        if (original == null) {
            LOG.error("VpnOpStatusListener.update: vpn {} with RD {}. add() handler already called", vpnName, primaryRd);
            return;
        }
        if (update.getVpnTargets() == null) {
            LOG.error("VpnOpStatusListener.update: vpn {} with RD {} vpnTargets not ready", vpnName, primaryRd);
            return;
        }
        Map<VpnTargetKey, VpnTarget> vpnTargetMap = update.getVpnTargets().getVpnTarget();
        List<String> ertList = new ArrayList<>();
        List<String> irtList = new ArrayList<>();
        if (vpnTargetMap != null) {
            for (VpnTarget vpnTarget : vpnTargetMap.values()) {
                if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ExportExtcommunity) {
                    ertList.add(vpnTarget.getVrfRTValue());
                }
                if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ImportExtcommunity) {
                    irtList.add(vpnTarget.getVrfRTValue());
                }
                if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.Both) {
                    ertList.add(vpnTarget.getVrfRTValue());
                    irtList.add(vpnTarget.getVrfRTValue());
                }
            }
        } else {
            LOG.error("VpnOpStatusListener.update: vpn target list is empty, cannot add BGP" + " VPN {} RD {}", vpnName, primaryRd);
            return;
        }
        jobCoordinator.enqueueJob("VPN-" + update.getVpnInstanceName(), () -> {
            // RD update case get only updated RD list
            List<String> rds = update.getRd() != null ? new ArrayList<>(update.getRd()) : new ArrayList<>();
            if (original.getRd() != null && original.getRd().size() != rds.size()) {
                rds.removeAll(original.getRd());
            }
            rds.parallelStream().forEach(rd -> {
                try {
                    List<String> importRTList = rd.equals(primaryRd) ? irtList : emptyList();
                    LOG.info("VpnOpStatusListener.update: updating BGPVPN for vpn {} with RD {}" + " Type is {}, IPtype is {}, iRT {}", vpnName, primaryRd, update.getType(), update.getIpAddressFamilyConfigured(), importRTList);
                    int ipValue = VpnUtil.getIpFamilyValueToRemove(original, update);
                    switch(ipValue) {
                        case 4:
                            bgpManager.deleteVrf(rd, false, AddressFamily.IPV4);
                            break;
                        case 6:
                            bgpManager.deleteVrf(rd, false, AddressFamily.IPV6);
                            break;
                        case 10:
                            bgpManager.deleteVrf(rd, false, AddressFamily.IPV4);
                            bgpManager.deleteVrf(rd, false, AddressFamily.IPV6);
                            break;
                        default:
                            break;
                    }
                    /* Update vrf entry with newly added RD list. VPN does not support for
                         * deleting existing RDs
                         */
                    if (original.getRd().size() != update.getRd().size()) {
                        ipValue = VpnUtil.getIpFamilyValueToAdd(original, update);
                        switch(ipValue) {
                            case 4:
                                bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV4);
                                break;
                            case 6:
                                bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV6);
                                break;
                            case 10:
                                bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV4);
                                bgpManager.addVrf(rd, importRTList, ertList, AddressFamily.IPV6);
                                break;
                            default:
                                break;
                        }
                    }
                } catch (RuntimeException e) {
                    LOG.error("VpnOpStatusListener.update: Exception when updating VRF to BGP for vpn {} rd {}", vpnName, rd, e);
                }
            });
            return emptyList();
        });
    }
}

Example 8 with VpnTargetKey

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.vpn.instance.vpntargets.VpnTargetKey in project netvirt by opendaylight.

the class VpnInstanceListener method addVpnInstance.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void addVpnInstance(VpnInstance value, TypedWriteTransaction<Configuration> writeConfigTxn, TypedWriteTransaction<Operational> writeOperTxn) {
    if (writeConfigTxn == null) {
        LoggingFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, tx -> addVpnInstance(value, tx, writeOperTxn)), LOG, "Error adding VPN instance {}", value);
        return;
    }
    if (writeOperTxn == null) {
        LoggingFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, tx -> addVpnInstance(value, writeConfigTxn, tx)), LOG, "Error adding VPN instance {}", value);
        return;
    }
    String vpnInstanceName = value.getVpnInstanceName();
    Uint32 vpnId = vpnUtil.getUniqueId(VpnConstants.VPN_IDPOOL_NAME, vpnInstanceName);
    if (vpnId.longValue() == 0) {
        LOG.error("{} addVpnInstance: Unable to fetch label from Id Manager. Bailing out of adding operational" + " data for Vpn Instance {}", LOGGING_PREFIX_ADD, value.getVpnInstanceName());
        return;
    }
    LOG.info("{} addVpnInstance: VPN Id {} generated for VpnInstanceName {}", LOGGING_PREFIX_ADD, vpnId, vpnInstanceName);
    String primaryRd = VpnUtil.getPrimaryRd(value);
    org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance vpnInstanceToVpnId = VpnUtil.getVpnInstanceToVpnId(vpnInstanceName, vpnId, primaryRd);
    writeConfigTxn.mergeParentStructurePut(VpnOperDsUtils.getVpnInstanceToVpnIdIdentifier(vpnInstanceName), vpnInstanceToVpnId);
    VpnIds vpnIdToVpnInstance = VpnUtil.getVpnIdToVpnInstance(vpnId, value.getVpnInstanceName(), primaryRd, VpnUtil.isBgpVpn(vpnInstanceName, primaryRd));
    writeConfigTxn.mergeParentStructurePut(VpnUtil.getVpnIdToVpnInstanceIdentifier(vpnId), vpnIdToVpnInstance);
    try {
        String cachedTransType = fibManager.getConfTransType();
        if (cachedTransType.equals("Invalid")) {
            try {
                fibManager.setConfTransType("L3VPN", "VXLAN");
            } catch (Exception e) {
                LOG.error("{} addVpnInstance: Exception caught setting the L3VPN tunnel transportType for vpn {}", LOGGING_PREFIX_ADD, vpnInstanceName, e);
            }
        } else {
            LOG.debug("{} addVpnInstance: Configured tunnel transport type for L3VPN {} as {}", LOGGING_PREFIX_ADD, vpnInstanceName, cachedTransType);
        }
    } catch (Exception e) {
        LOG.error("{} addVpnInstance: Error when trying to retrieve tunnel transport type for L3VPN {}", LOGGING_PREFIX_ADD, vpnInstanceName, e);
    }
    VpnInstanceOpDataEntryBuilder builder = new VpnInstanceOpDataEntryBuilder().setVrfId(primaryRd).setVpnId(vpnId).setVpnInstanceName(vpnInstanceName).setVpnState(VpnInstanceOpDataEntry.VpnState.Created);
    if (VpnUtil.isBgpVpn(vpnInstanceName, primaryRd)) {
        List<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTarget> opVpnTargetList = new ArrayList<>();
        if (value.getL3vni() != null) {
            builder.setL3vni(value.getL3vni());
        }
        if (value.isL2vpn()) {
            builder.setType(VpnInstanceOpDataEntry.Type.L2);
        }
        VpnTargets vpnTargets = value.getVpnTargets();
        if (vpnTargets != null) {
            @Nullable Map<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.vpn.instance.vpntargets.VpnTargetKey, VpnTarget> vpnTargetListMap = vpnTargets.nonnullVpnTarget();
            if (vpnTargetListMap != null) {
                for (VpnTarget vpnTarget : vpnTargetListMap.values()) {
                    VpnTargetBuilder vpnTargetBuilder = new VpnTargetBuilder().withKey(new VpnTargetKey(vpnTarget.key().getVrfRTValue())).setVrfRTType(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTarget.VrfRTType.forValue(vpnTarget.getVrfRTType().getIntValue())).setVrfRTValue(vpnTarget.getVrfRTValue());
                    opVpnTargetList.add(vpnTargetBuilder.build());
                }
            }
        }
        VpnTargetsBuilder vpnTargetsBuilder = new VpnTargetsBuilder().setVpnTarget(opVpnTargetList);
        builder.setVpnTargets(vpnTargetsBuilder.build());
        List<String> rds = value.getRouteDistinguisher();
        builder.setRd(rds);
    }
    // Get BGP-VPN type configured details from config vpn-instance
    builder.setBgpvpnType(VpnInstanceOpDataEntry.BgpvpnType.forValue(value.getBgpvpnType().getIntValue()));
    writeOperTxn.mergeParentStructureMerge(VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd), builder.build());
    LOG.info("{} addVpnInstance: VpnInstanceOpData populated successfully for vpn {} rd {}", LOGGING_PREFIX_ADD, vpnInstanceName, primaryRd);
}

Example 9 with VpnTargetKey

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.vpn.instance.vpntargets.VpnTargetKey in project netvirt by opendaylight.

the class NeutronvpnManager method updateVpnInstanceNode.

private void updateVpnInstanceNode(Uuid vpnId, List<String> rd, List<String> irt, List<String> ert, boolean isL2Vpn, long l3vni, IpVersionChoice ipVersion) {
    String vpnName = vpnId.getValue();
    VpnInstanceBuilder builder = null;
    List<VpnTarget> vpnTargetList = new ArrayList<>();
    InstanceIdentifier<VpnInstance> vpnIdentifier = InstanceIdentifier.builder(VpnInstances.class).child(VpnInstance.class, new VpnInstanceKey(vpnName)).build();
    Optional<VpnInstance> optionalVpn;
    try {
        optionalVpn = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, vpnIdentifier);
    } catch (ExecutionException | InterruptedException e) {
        LOG.error("Update VPN Instance node failed for node: {} {} {} {}", vpnName, rd, irt, ert);
        return;
    }
    LOG.debug("Creating/Updating a new vpn-instance node: {} ", vpnName);
    if (optionalVpn.isPresent()) {
        builder = new VpnInstanceBuilder(optionalVpn.get());
        LOG.debug("updating existing vpninstance node");
    } else {
        builder = new VpnInstanceBuilder().withKey(new VpnInstanceKey(vpnName)).setVpnInstanceName(vpnName).setL2vpn(isL2Vpn).setL3vni(l3vni).setBgpvpnType(VpnInstance.BgpvpnType.InternalVPN);
    }
    if (irt != null && !irt.isEmpty()) {
        if (ert != null && !ert.isEmpty()) {
            List<String> commonRT = new ArrayList<>(irt);
            commonRT.retainAll(ert);
            for (String common : commonRT) {
                irt.remove(common);
                ert.remove(common);
                VpnTarget vpnTarget = new VpnTargetBuilder().withKey(new VpnTargetKey(common)).setVrfRTValue(common).setVrfRTType(VpnTarget.VrfRTType.Both).build();
                vpnTargetList.add(vpnTarget);
            }
        }
        for (String importRT : irt) {
            VpnTarget vpnTarget = new VpnTargetBuilder().withKey(new VpnTargetKey(importRT)).setVrfRTValue(importRT).setVrfRTType(VpnTarget.VrfRTType.ImportExtcommunity).build();
            vpnTargetList.add(vpnTarget);
        }
    }
    if (ert != null && !ert.isEmpty()) {
        for (String exportRT : ert) {
            VpnTarget vpnTarget = new VpnTargetBuilder().withKey(new VpnTargetKey(exportRT)).setVrfRTValue(exportRT).setVrfRTType(VpnTarget.VrfRTType.ExportExtcommunity).build();
            vpnTargetList.add(vpnTarget);
        }
    }
    VpnTargets vpnTargets = new VpnTargetsBuilder().setVpnTarget(vpnTargetList).build();
    if (rd != null && !rd.isEmpty()) {
        builder.setRouteDistinguisher(rd).setVpnTargets(vpnTargets).setBgpvpnType(VpnInstance.BgpvpnType.BGPVPN);
    }
    builder.setIpAddressFamilyConfigured(VpnInstance.IpAddressFamilyConfigured.forValue(ipVersion.choice));
    VpnInstance newVpn = builder.build();
    try (AcquireResult lock = tryVpnLock(vpnId)) {
        if (!lock.wasAcquired()) {
            // FIXME: why do we even bother with locking if we do not honor it?!
            logTryLockFailure(vpnId);
        }
        LOG.debug("Creating/Updating vpn-instance for {} ", vpnName);
        try {
            SingleTransactionDataBroker.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, vpnIdentifier, newVpn);
        } catch (TransactionCommitFailedException e) {
            LOG.error("Update VPN Instance node failed for node: {} {} {} {}", vpnName, rd, irt, ert);
        }
    }
}

Example 10 with VpnTargetKey

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.vpn.instance.vpntargets.VpnTargetKey in project netvirt by opendaylight.

the class NeutronvpnManager method getL3VPN.

/**
 * It handles the invocations to the neutronvpn:getL3VPN RPC method.
 */
@Override
public ListenableFuture<RpcResult<GetL3VPNOutput>> getL3VPN(GetL3VPNInput input) {
    GetL3VPNOutputBuilder opBuilder = new GetL3VPNOutputBuilder();
    SettableFuture<RpcResult<GetL3VPNOutput>> result = SettableFuture.create();
    Uuid inputVpnId = input.getId();
    List<VpnInstance> vpns = new ArrayList<>();
    List<L3vpnInstances> l3vpnList = new ArrayList<>();
    try {
        if (inputVpnId == null) {
            // get all vpns
            InstanceIdentifier<VpnInstances> vpnsIdentifier = InstanceIdentifier.builder(VpnInstances.class).build();
            Optional<VpnInstances> optionalVpns = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, vpnsIdentifier);
            if (optionalVpns.isPresent() && !optionalVpns.get().getVpnInstance().isEmpty()) {
                for (VpnInstance vpn : optionalVpns.get().nonnullVpnInstance().values()) {
                    // from getL3VPN output
                    if (vpn.getRouteDistinguisher() != null) {
                        vpns.add(vpn);
                    }
                }
            } else {
                // No VPN present
                opBuilder.setL3vpnInstances(l3vpnList);
                result.set(RpcResultBuilder.<GetL3VPNOutput>success().withResult(opBuilder.build()).build());
                return result;
            }
        } else {
            String name = inputVpnId.getValue();
            InstanceIdentifier<VpnInstance> vpnIdentifier = InstanceIdentifier.builder(VpnInstances.class).child(VpnInstance.class, new VpnInstanceKey(name)).build();
            // read VpnInstance Info
            Optional<VpnInstance> optionalVpn = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, vpnIdentifier);
            // getL3VPN output
            if (optionalVpn.isPresent() && optionalVpn.get().getRouteDistinguisher() != null) {
                vpns.add(optionalVpn.get());
            } else {
                result.set(RpcResultBuilder.<GetL3VPNOutput>failed().withWarning(ErrorType.PROTOCOL, "invalid-value", formatAndLog(LOG::error, "GetL3VPN failed because VPN {} is not present", name)).build());
            }
        }
        for (VpnInstance vpnInstance : vpns) {
            Uuid vpnId = new Uuid(vpnInstance.getVpnInstanceName());
            // create VpnMaps id
            L3vpnInstancesBuilder l3vpn = new L3vpnInstancesBuilder();
            List<String> rd = Collections.emptyList();
            if (vpnInstance.getRouteDistinguisher() != null) {
                rd = vpnInstance.getRouteDistinguisher();
            }
            List<String> ertList = new ArrayList<>();
            List<String> irtList = new ArrayList<>();
            if (vpnInstance.getVpnTargets() != null) {
                Map<VpnTargetKey, VpnTarget> keyVpnTargetMap = Collections.emptyMap();
                if (!vpnInstance.getVpnTargets().getVpnTarget().isEmpty()) {
                    keyVpnTargetMap = vpnInstance.getVpnTargets().getVpnTarget();
                }
                if (!keyVpnTargetMap.isEmpty()) {
                    for (VpnTarget vpnTarget : keyVpnTargetMap.values()) {
                        if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ExportExtcommunity) {
                            ertList.add(vpnTarget.getVrfRTValue());
                        }
                        if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ImportExtcommunity) {
                            irtList.add(vpnTarget.getVrfRTValue());
                        }
                        if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.Both) {
                            ertList.add(vpnTarget.getVrfRTValue());
                            irtList.add(vpnTarget.getVrfRTValue());
                        }
                    }
                }
            }
            l3vpn.setId(vpnId).setRouteDistinguisher(rd).setImportRT(irtList).setExportRT(ertList);
            if (vpnInstance.getL3vni() != null) {
                l3vpn.setL3vni(vpnInstance.getL3vni());
            }
            InstanceIdentifier<VpnMap> vpnMapIdentifier = InstanceIdentifier.builder(VpnMaps.class).child(VpnMap.class, new VpnMapKey(vpnId)).build();
            Optional<VpnMap> optionalVpnMap = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, vpnMapIdentifier);
            if (optionalVpnMap.isPresent()) {
                VpnMap vpnMap = optionalVpnMap.get();
                List<Uuid> rtrIds = new ArrayList<>();
                if (vpnMap.getRouterIds() != null && !vpnMap.getRouterIds().isEmpty()) {
                    for (RouterIds rtrId : vpnMap.getRouterIds().values()) {
                        rtrIds.add(rtrId.getRouterId());
                    }
                }
                l3vpn.setRouterIds(NeutronvpnUtils.getVpnInstanceRouterIdsList(rtrIds)).setNetworkIds(vpnMap.getNetworkIds()).setTenantId(vpnMap.getTenantId()).setName(vpnMap.getName());
            }
            l3vpnList.add(l3vpn.build());
        }
        opBuilder.setL3vpnInstances(l3vpnList);
        result.set(RpcResultBuilder.<GetL3VPNOutput>success().withResult(opBuilder.build()).build());
    } catch (ExecutionException | InterruptedException ex) {
        result.set(RpcResultBuilder.<GetL3VPNOutput>failed().withError(ErrorType.APPLICATION, formatAndLog(LOG::error, "GetVPN failed due to {}", ex.getMessage())).build());
    }
    return result;
}