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

Example 6 with VpnTarget

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

the class NeutronvpnManager method dissociateNetworksFromVpn.

/**
 * Parses and disassociates networks list from given VPN.
 *
 * @param vpnId Uuid of given VPN.
 * @param networkList List list of network Ids (Uuid), which will be disassociated.
 * @return list of formatted strings with detailed error messages.
 */
@NonNull
protected List<String> dissociateNetworksFromVpn(@NonNull Uuid vpnId, @NonNull List<Uuid> networkList) {
    List<String> failedNwList = new ArrayList<>();
    HashSet<Uuid> passedNwList = new HashSet<>();
    ConcurrentMap<Uuid, Network> extNwMap = new ConcurrentHashMap<>();
    IpVersionChoice ipVersion = IpVersionChoice.UNDEFINED;
    if (networkList.isEmpty()) {
        LOG.error("dissociateNetworksFromVpn: Failed as networks list is empty");
        failedNwList.add(String.format("Failed to disassociate networks from VPN %s as networks list is empty", vpnId.getValue()));
        return failedNwList;
    }
    for (Uuid nw : networkList) {
        List<Uuid> networkSubnets = neutronvpnUtils.getSubnetIdsFromNetworkId(nw);
        if (networkSubnets == null) {
            passedNwList.add(nw);
            continue;
        }
        Network network = neutronvpnUtils.getNeutronNetwork(nw);
        if (network == null) {
            LOG.error("dissociateNetworksFromVpn: Network {} not found in ConfigDS", nw.getValue());
            failedNwList.add(String.format("Failed to disassociate network %s as is not found in ConfigDS", nw.getValue()));
            continue;
        }
        Uuid networkVpnId = neutronvpnUtils.getVpnForNetwork(nw);
        if (networkVpnId == null) {
            LOG.error("dissociateNetworksFromVpn: Network {} is not associated to any VPN", nw.getValue());
            failedNwList.add(String.format("Failed to disassociate network %s as is not associated to any VPN", nw.getValue()));
            continue;
        }
        if (!vpnId.equals(networkVpnId)) {
            LOG.error("dissociateNetworksFromVpn: Network {} is associated to another VPN {} instead of given {}", nw.getValue(), networkVpnId.getValue(), vpnId.getValue());
            failedNwList.add(String.format("Failed to disassociate network %s as it is associated to another " + "vpn %s instead of given %s", nw.getValue(), networkVpnId.getValue(), vpnId.getValue()));
            continue;
        }
        /* Handle disassociation of external network(s) from Internet BGP-VPN use case outside of the
             * networkList iteration
             */
        if (neutronvpnUtils.getIsExternal(network)) {
            extNwMap.put(nw, network);
            // Handle external-Nw to BGPVPN Disassociation and still ext-router is being set with external-Nw
            List<Uuid> routerList = neutronvpnUtils.getRouterIdsForExtNetwork(nw);
            if (!routerList.isEmpty()) {
                for (Uuid routerId : routerList) {
                    // If v6 subnet was already added to router means it requires IPv6 AddrFamily in VpnInstance
                    if (neutronvpnUtils.isV6SubnetPartOfRouter(routerId)) {
                        ipVersion = ipVersion.addVersion(IpVersionChoice.IPV6);
                        LOG.debug("dissociateNetworksFromVpn: External network {} is still associated with " + "router(router-gw) {} and V6 subnet is part of that router. Hence Set IPv6 " + "address family type in Internet VPN Instance {}", network, routerId, vpnId);
                        break;
                    }
                }
            }
        }
        for (Uuid subnet : networkSubnets) {
            Subnetmap subnetmap = neutronvpnUtils.getSubnetmap(subnet);
            if (subnetmap == null) {
                failedNwList.add(String.format("subnetmap %s not found for network %s", subnet.getValue(), nw.getValue()));
                LOG.error("dissociateNetworksFromVpn: Subnetmap for subnet {} not found when " + "dissociating network {} from VPN {}", subnet.getValue(), nw.getValue(), vpnId.getValue());
                continue;
            }
            IpVersionChoice ipVers = NeutronvpnUtils.getIpVersionFromString(subnetmap.getSubnetIp());
            if (!ipVersion.isIpVersionChosen(ipVers)) {
                ipVersion = ipVersion.addVersion(ipVers);
            }
            if (!NeutronvpnUtils.getIsExternal(network)) {
                LOG.debug("dissociateNetworksFromVpn: Withdraw subnet {} from VPN {}", subnet.getValue(), vpnId.getValue());
                removeSubnetFromVpn(vpnId, subnetmap, null);
                Set<VpnTarget> routeTargets = vpnManager.getRtListForVpn(vpnId.getValue());
                vpnManager.removeRouteTargetsToSubnetAssociation(routeTargets, subnetmap.getSubnetIp(), vpnId.getValue());
                passedNwList.add(nw);
            }
        }
        if (ipVersion != IpVersionChoice.UNDEFINED) {
            LOG.debug("dissociateNetworksFromVpn: Updating vpnInstance with ip address family {}" + " for VPN {}", ipVersion, vpnId);
            neutronvpnUtils.updateVpnInstanceWithIpFamily(vpnId.getValue(), ipVersion, false);
        }
    }
    // Handle disassociation of external network(s) from Internet BGP-VPN Instance use case
    if (!extNwMap.isEmpty() || extNwMap != null) {
        for (Network extNw : extNwMap.values()) {
            if (disassociateExtNetworkFromVpn(vpnId, extNw)) {
                passedNwList.add(extNw.getUuid());
            } else {
                LOG.error("dissociateNetworksFromVpn: Failed to withdraw External Provider Network {} from VPN {}", extNw, vpnId.getValue());
                failedNwList.add(String.format("Failed to withdraw External Provider Network %s from VPN %s", extNw, vpnId.getValue()));
                continue;
            }
        }
    }
    clearFromVpnMaps(vpnId, null, new ArrayList<>(passedNwList));
    LOG.info("dissociateNetworksFromVpn: Network(s) {} disassociated from L3VPN {} successfully", passedNwList, vpnId.getValue());
    return failedNwList;
}

Example 7 with VpnTarget

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

the class NeutronSubnetChangeListener method handleNeutronSubnetDeleted.

@SuppressWarnings("checkstyle:IllegalCatch")
private void handleNeutronSubnetDeleted(Uuid subnetId, Uuid networkId, String subnetCidr) {
    try {
        Uuid vpnId = neutronvpnUtils.getVpnForNetwork(networkId);
        if (vpnId != null) {
            Set<VpnTarget> routeTargets = vpnManager.getRtListForVpn(vpnId.getValue());
            LOG.warn("Subnet {} deleted without disassociating network {} from VPN {}. Ideally, please " + "disassociate network from VPN before deleting neutron subnet.", subnetId.getValue(), networkId.getValue(), vpnId.getValue());
            Subnetmap subnetmap = neutronvpnUtils.getSubnetmap(subnetId);
            if (subnetmap != null) {
                nvpnManager.removeSubnetFromVpn(vpnId, subnetmap, null);
            } else {
                LOG.error("Subnetmap for subnet {} not found", subnetId.getValue());
            }
            if (!routeTargets.isEmpty()) {
                vpnManager.removeRouteTargetsToSubnetAssociation(routeTargets, subnetCidr, vpnId.getValue());
            }
        }
        if (networkId != null) {
            deleteSubnetToNetworkMapping(subnetId, networkId);
        }
        nvpnManager.deleteSubnetMapNode(subnetId);
    } catch (Exception e) {
        LOG.error("handleNeutronSubnetDeleted: Failed for subnet {} with subnet IP {} and networkId {}", subnetId.getValue(), subnetCidr, networkId.getValue(), e);
    }
}

Example 8 with VpnTarget

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

the class NeutronvpnManager method associateNetworksToVpn.

/**
 * Parses and associates networks list with given VPN.
 *
 * @param vpnId Uuid of given VPN.
 * @param networkList List list of network Ids (Uuid), which will be associated.
 * @return list of formatted strings with detailed error messages.
 */
@NonNull
protected List<String> associateNetworksToVpn(@NonNull Uuid vpnId, @NonNull List<Uuid> networkList) {
    List<String> failedNwList = new ArrayList<>();
    HashSet<Uuid> passedNwList = new HashSet<>();
    ConcurrentMap<Uuid, Network> extNwMap = new ConcurrentHashMap<>();
    boolean isExternalNetwork = false;
    if (networkList.isEmpty()) {
        LOG.error("associateNetworksToVpn: Failed as given networks list is empty, VPN Id: {}", vpnId.getValue());
        failedNwList.add(String.format("Failed to associate networks with VPN %s as given networks list is empty", vpnId.getValue()));
        return failedNwList;
    }
    VpnInstance vpnInstance = VpnHelper.getVpnInstance(dataBroker, vpnId.getValue());
    if (vpnInstance == null) {
        LOG.error("associateNetworksToVpn: Can not find vpnInstance for VPN {} in ConfigDS", vpnId.getValue());
        failedNwList.add(String.format("Failed to associate network: can not found vpnInstance for VPN %s " + "in ConfigDS", vpnId.getValue()));
        return failedNwList;
    }
    try {
        if (isVpnOfTypeL2(vpnInstance) && neutronEvpnUtils.isVpnAssociatedWithNetwork(vpnInstance)) {
            LOG.error("associateNetworksToVpn: EVPN {} supports only one network to be associated with", vpnId.getValue());
            failedNwList.add(String.format("Failed to associate network: EVPN %s supports only one network to be " + "associated with", vpnId.getValue()));
            return failedNwList;
        }
        Set<VpnTarget> routeTargets = vpnManager.getRtListForVpn(vpnId.getValue());
        boolean isIpFamilyUpdated = false;
        IpVersionChoice ipVersion = IpVersionChoice.UNDEFINED;
        for (Uuid nw : networkList) {
            Network network = neutronvpnUtils.getNeutronNetwork(nw);
            if (network == null) {
                LOG.error("associateNetworksToVpn: Network {} not found in ConfigDS", nw.getValue());
                failedNwList.add(String.format("Failed to associate network: network %s not found in ConfigDS", nw.getValue()));
                continue;
            }
            NetworkProviderExtension providerExtension = network.augmentation(NetworkProviderExtension.class);
            if (providerExtension.getSegments() != null && providerExtension.getSegments().size() > 1) {
                LOG.error("associateNetworksToVpn: MultiSegmented network {} not supported in BGPVPN {}", nw.getValue(), vpnId.getValue());
                failedNwList.add(String.format("Failed to associate multisegmented network %s with BGPVPN %s", nw.getValue(), vpnId.getValue()));
                continue;
            }
            Uuid networkVpnId = neutronvpnUtils.getVpnForNetwork(nw);
            if (networkVpnId != null) {
                LOG.error("associateNetworksToVpn: Network {} already associated with another VPN {}", nw.getValue(), networkVpnId.getValue());
                failedNwList.add(String.format("Failed to associate network %s as it is already associated to " + "another VPN %s", nw.getValue(), networkVpnId.getValue()));
                continue;
            }
            /* Handle association of external network(s) to Internet BGP-VPN use case outside of the
                 * networkList iteration
                 */
            if (neutronvpnUtils.getIsExternal(network)) {
                extNwMap.put(nw, network);
                isExternalNetwork = true;
                // Check whether router-gw is set with external network before external network to BGPVPN association
                List<Uuid> routerList = neutronvpnUtils.getRouterIdsForExtNetwork(nw);
                if (!routerList.isEmpty()) {
                    for (Uuid routerId : routerList) {
                        // If v6 subnet was already added to router means it requires IPv6 AddrFamily in VpnInstance
                        if (neutronvpnUtils.isV6SubnetPartOfRouter(routerId)) {
                            ipVersion = ipVersion.addVersion(IpVersionChoice.IPV6);
                            LOG.debug("associateNetworksToVpn: External network {} is already associated with " + "router(router-gw) {} and V6 subnet is part of that router. Hence Set IPv6 " + "address family type in Internet VPN Instance {}", network, routerId, vpnId);
                            break;
                        }
                    }
                }
            }
            List<Subnetmap> subnetmapList = neutronvpnUtils.getSubnetmapListFromNetworkId(nw);
            if (subnetmapList == null || subnetmapList.isEmpty()) {
                passedNwList.add(nw);
                continue;
            }
            if (vpnManager.checkForOverlappingSubnets(nw, subnetmapList, vpnId, routeTargets, failedNwList)) {
                continue;
            }
            for (Subnetmap subnetmap : subnetmapList) {
                IpVersionChoice ipVers = NeutronvpnUtils.getIpVersionFromString(subnetmap.getSubnetIp());
                if (!ipVersion.isIpVersionChosen(ipVers)) {
                    ipVersion = ipVersion.addVersion(ipVers);
                }
            }
            // Update vpnInstance for IP address family
            if (ipVersion != IpVersionChoice.UNDEFINED && !isIpFamilyUpdated) {
                LOG.debug("associateNetworksToVpn: Updating vpnInstance with ip address family {}" + " for VPN {} ", ipVersion, vpnId);
                neutronvpnUtils.updateVpnInstanceWithIpFamily(vpnId.getValue(), ipVersion, true);
                isIpFamilyUpdated = true;
            }
            for (Subnetmap subnetmap : subnetmapList) {
                Uuid subnetId = subnetmap.getId();
                Uuid subnetVpnId = neutronvpnUtils.getVpnForSubnet(subnetId);
                if (subnetVpnId != null) {
                    LOG.error("associateNetworksToVpn: Failed to associate subnet {} with VPN {}" + " as it is already associated", subnetId.getValue(), subnetVpnId.getValue());
                    failedNwList.add(String.format("Failed to associate subnet %s with VPN %s" + " as it is already associated", subnetId.getValue(), vpnId.getValue()));
                    continue;
                }
                if (!NeutronvpnUtils.getIsExternal(network)) {
                    LOG.debug("associateNetworksToVpn: Add subnet {} to VPN {}", subnetId.getValue(), vpnId.getValue());
                    addSubnetToVpn(vpnId, subnetId, null);
                    vpnManager.updateRouteTargetsToSubnetAssociation(routeTargets, subnetmap.getSubnetIp(), vpnId.getValue());
                    passedNwList.add(nw);
                }
            }
            passedNwList.add(nw);
            // Handle association of external network(s) to Internet BGP-VPN Instance use case
            if (!extNwMap.isEmpty() || extNwMap != null) {
                for (Network extNw : extNwMap.values()) {
                    if (!associateExtNetworkToVpn(vpnId, extNw, vpnInstance.getBgpvpnType())) {
                        LOG.error("associateNetworksToVpn: Failed to associate Provider External Network {} with " + "VPN {}", extNw, vpnId.getValue());
                        failedNwList.add(String.format("Failed to associate Provider External Network %s with " + "VPN %s", extNw, vpnId.getValue()));
                        continue;
                    }
                }
            }
        }
    } catch (ExecutionException | InterruptedException e) {
        LOG.error("associateNetworksToVpn: Failed to associate VPN {} with networks {}: ", vpnId.getValue(), networkList, e);
        failedNwList.add(String.format("Failed to associate VPN %s with networks %s: %s", vpnId.getValue(), networkList, e));
    }
    // VpnMap update for ext-nw is already done in associateExtNetworkToVpn() method.
    if (!isExternalNetwork) {
        updateVpnMaps(vpnId, null, null, null, new ArrayList<>(passedNwList));
    }
    LOG.info("Network(s) {} associated to L3VPN {} successfully", passedNwList, vpnId.getValue());
    return failedNwList;
}

Example 9 with VpnTarget

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

the class VpnInstanceListener method addVpnInstance.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void addVpnInstance(VpnInstance value, WriteTransaction writeConfigTxn, WriteTransaction writeOperTxn) {
    VpnAfConfig config = value.getIpv4Family();
    String vpnInstanceName = value.getVpnInstanceName();
    long vpnId = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, vpnInstanceName);
    if (vpnId == 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);
    if (writeConfigTxn != null) {
        writeConfigTxn.put(LogicalDatastoreType.CONFIGURATION, VpnOperDsUtils.getVpnInstanceToVpnIdIdentifier(vpnInstanceName), vpnInstanceToVpnId, WriteTransaction.CREATE_MISSING_PARENTS);
    } else {
        TransactionUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, VpnOperDsUtils.getVpnInstanceToVpnIdIdentifier(vpnInstanceName), vpnInstanceToVpnId);
    }
    VpnIds vpnIdToVpnInstance = VpnUtil.getVpnIdToVpnInstance(vpnId, value.getVpnInstanceName(), primaryRd, VpnUtil.isBgpVpn(vpnInstanceName, primaryRd));
    if (writeConfigTxn != null) {
        writeConfigTxn.put(LogicalDatastoreType.CONFIGURATION, VpnUtil.getVpnIdToVpnInstanceIdentifier(vpnId), vpnIdToVpnInstance, WriteTransaction.CREATE_MISSING_PARENTS);
    } else {
        TransactionUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, 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).setIpv4Configured(false).setIpv6Configured(false);
    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<>();
        builder.setBgpvpnType(VpnInstanceOpDataEntry.BgpvpnType.BGPVPNExternal);
        if (value.getL3vni() != null) {
            builder.setL3vni(value.getL3vni());
        }
        if (value.getType() == VpnInstance.Type.L2) {
            builder.setType(VpnInstanceOpDataEntry.Type.L2);
        }
        VpnTargets vpnTargets = config.getVpnTargets();
        if (vpnTargets != null) {
            List<VpnTarget> vpnTargetList = vpnTargets.getVpnTarget();
            if (vpnTargetList != null) {
                for (VpnTarget vpnTarget : vpnTargetList) {
                    VpnTargetBuilder vpnTargetBuilder = new VpnTargetBuilder().setKey(new VpnTargetKey(vpnTarget.getKey().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 = config.getRouteDistinguisher();
        builder.setRd(rds);
    } else {
        builder.setBgpvpnType(VpnInstanceOpDataEntry.BgpvpnType.VPN);
    }
    if (writeOperTxn != null) {
        writeOperTxn.merge(LogicalDatastoreType.OPERATIONAL, VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd), builder.build(), true);
    } else {
        TransactionUtil.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd), builder.build());
    }
    LOG.info("{} addVpnInstance: VpnInstanceOpData populated successfully for vpn {} rd {}", LOGGING_PREFIX_ADD, vpnInstanceName, primaryRd);
}

Example 10 with VpnTarget

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

the class NeutronvpnManager method updateVpnInstanceNode.

private void updateVpnInstanceNode(Uuid vpnId, List<String> rd, List<String> irt, List<String> ert, VpnInstance.Type type, long l3vni, IpVersionChoice ipVersion) {
    String vpnName = vpnId.getValue();
    VpnInstanceBuilder builder = null;
    List<VpnTarget> vpnTargetList = new ArrayList<>();
    boolean isLockAcquired = false;
    InstanceIdentifier<VpnInstance> vpnIdentifier = InstanceIdentifier.builder(VpnInstances.class).child(VpnInstance.class, new VpnInstanceKey(vpnName)).build();
    try {
        Optional<VpnInstance> optionalVpn = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, vpnIdentifier);
        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().setKey(new VpnInstanceKey(vpnName)).setVpnInstanceName(vpnName).setType(type).setL3vni(l3vni);
        }
        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().setKey(new VpnTargetKey(common)).setVrfRTValue(common).setVrfRTType(VpnTarget.VrfRTType.Both).build();
                    vpnTargetList.add(vpnTarget);
                }
            }
            for (String importRT : irt) {
                VpnTarget vpnTarget = new VpnTargetBuilder().setKey(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().setKey(new VpnTargetKey(exportRT)).setVrfRTValue(exportRT).setVrfRTType(VpnTarget.VrfRTType.ExportExtcommunity).build();
                vpnTargetList.add(vpnTarget);
            }
        }
        VpnTargets vpnTargets = new VpnTargetsBuilder().setVpnTarget(vpnTargetList).build();
        Ipv4FamilyBuilder ipv4vpnBuilder = new Ipv4FamilyBuilder().setVpnTargets(vpnTargets);
        Ipv6FamilyBuilder ipv6vpnBuilder = new Ipv6FamilyBuilder().setVpnTargets(vpnTargets);
        if (rd != null && !rd.isEmpty()) {
            ipv4vpnBuilder.setRouteDistinguisher(rd);
            ipv6vpnBuilder.setRouteDistinguisher(rd);
        }
        if (ipVersion != null && ipVersion.isIpVersionChosen(IpVersionChoice.IPV4)) {
            builder.setIpv4Family(ipv4vpnBuilder.build());
        }
        if (ipVersion != null && ipVersion.isIpVersionChosen(IpVersionChoice.IPV6)) {
            builder.setIpv6Family(ipv6vpnBuilder.build());
        }
        if (ipVersion != null && ipVersion.isIpVersionChosen(IpVersionChoice.UNDEFINED)) {
            builder.setIpv4Family(ipv4vpnBuilder.build());
        }
        VpnInstance newVpn = builder.build();
        isLockAcquired = vpnLock.tryLock(vpnId, LOCK_WAIT_TIME, TimeUnit.SECONDS);
        LOG.debug("Creating/Updating vpn-instance for {} ", vpnName);
        SingleTransactionDataBroker.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, vpnIdentifier, newVpn);
    } catch (ReadFailedException | TransactionCommitFailedException e) {
        LOG.error("Update VPN Instance node failed for node: {} {} {} {}", vpnName, rd, irt, ert);
    } finally {
        if (isLockAcquired) {
            vpnLock.unlock(vpnId);
        }
    }
}