2 * Copyright (c) 2015 - 2017 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netvirt.vpnmanager;
10 import static org.opendaylight.controller.md.sal.binding.api.WriteTransaction.CREATE_MISSING_PARENTS;
11 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
12 import static org.opendaylight.genius.infra.Datastore.OPERATIONAL;
14 import com.google.common.base.Optional;
15 import com.google.common.util.concurrent.FutureCallback;
16 import com.google.common.util.concurrent.Futures;
17 import com.google.common.util.concurrent.ListenableFuture;
18 import com.google.common.util.concurrent.MoreExecutors;
19 import java.math.BigInteger;
20 import java.util.ArrayList;
21 import java.util.Arrays;
22 import java.util.Collections;
23 import java.util.List;
24 import java.util.concurrent.Callable;
25 import javax.annotation.Nullable;
26 import javax.annotation.PostConstruct;
27 import javax.inject.Inject;
28 import javax.inject.Singleton;
29 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
30 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
31 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
32 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
33 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
34 import org.opendaylight.genius.infra.Datastore.Configuration;
35 import org.opendaylight.genius.infra.Datastore.Operational;
36 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
37 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
38 import org.opendaylight.genius.infra.TypedWriteTransaction;
39 import org.opendaylight.genius.mdsalutil.FlowEntity;
40 import org.opendaylight.genius.mdsalutil.InstructionInfo;
41 import org.opendaylight.genius.mdsalutil.MDSALUtil;
42 import org.opendaylight.genius.mdsalutil.MatchInfo;
43 import org.opendaylight.genius.mdsalutil.MetaDataUtil;
44 import org.opendaylight.genius.mdsalutil.NWUtil;
45 import org.opendaylight.genius.mdsalutil.NwConstants;
46 import org.opendaylight.genius.mdsalutil.instructions.InstructionGotoTable;
47 import org.opendaylight.genius.mdsalutil.instructions.InstructionWriteMetadata;
48 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
49 import org.opendaylight.genius.mdsalutil.matches.MatchTunnelId;
50 import org.opendaylight.genius.utils.SystemPropertyReader;
51 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
52 import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
53 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
54 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnAfConfig;
55 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInstances;
56 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.VpnTargets;
57 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.vpntargets.VpnTarget;
58 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.ExternalTunnelList;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.external.tunnel.list.ExternalTunnel;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.DcGatewayIpList;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.dc.gateway.ip.list.DcGatewayIp;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.id.to.vpn.instance.VpnIds;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntryBuilder;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnTargetsBuilder;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTargetBuilder;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTargetKey;
70 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
71 import org.slf4j.Logger;
72 import org.slf4j.LoggerFactory;
75 public class VpnInstanceListener extends AsyncDataTreeChangeListenerBase<VpnInstance, VpnInstanceListener> {
76 private static final Logger LOG = LoggerFactory.getLogger(VpnInstanceListener.class);
77 private static final String LOGGING_PREFIX_ADD = "VPN-ADD:";
78 private static final String LOGGING_PREFIX_DELETE = "VPN-REMOVE:";
79 private final DataBroker dataBroker;
80 private final ManagedNewTransactionRunner txRunner;
81 private final IdManagerService idManager;
82 private final VpnInterfaceManager vpnInterfaceManager;
83 private final IFibManager fibManager;
84 private final VpnOpDataSyncer vpnOpDataNotifier;
85 private final IMdsalApiManager mdsalManager;
86 private final JobCoordinator jobCoordinator;
87 private final VpnUtil vpnUtil;
90 public VpnInstanceListener(final DataBroker dataBroker, final IdManagerService idManager,
91 final VpnInterfaceManager vpnInterfaceManager, final IFibManager fibManager,
92 final VpnOpDataSyncer vpnOpDataSyncer, final IMdsalApiManager mdsalManager,
93 final JobCoordinator jobCoordinator, VpnUtil vpnUtil) {
94 super(VpnInstance.class, VpnInstanceListener.class);
95 this.dataBroker = dataBroker;
96 this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
97 this.idManager = idManager;
98 this.vpnInterfaceManager = vpnInterfaceManager;
99 this.fibManager = fibManager;
100 this.vpnOpDataNotifier = vpnOpDataSyncer;
101 this.mdsalManager = mdsalManager;
102 this.jobCoordinator = jobCoordinator;
103 this.vpnUtil = vpnUtil;
107 public void start() {
108 LOG.info("{} start", getClass().getSimpleName());
109 registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
113 protected InstanceIdentifier<VpnInstance> getWildCardPath() {
114 return InstanceIdentifier.create(VpnInstances.class).child(VpnInstance.class);
118 protected VpnInstanceListener getDataTreeChangeListener() {
119 return VpnInstanceListener.this;
123 protected void remove(InstanceIdentifier<VpnInstance> identifier, VpnInstance del) {
124 LOG.trace("{} remove: VPN event key: {}, value: {}", LOGGING_PREFIX_DELETE, identifier, del);
125 final String vpnName = del.getVpnInstanceName();
126 Optional<VpnInstanceOpDataEntry> vpnOpValue;
127 String primaryRd = VpnUtil.getPrimaryRd(del);
129 //TODO(vpnteam): Entire code would need refactoring to listen only on the parent object - VPNInstance
131 vpnOpValue = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL,
132 VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd));
133 } catch (ReadFailedException e) {
134 LOG.error("{} remove: Exception when attempting to retrieve VpnInstanceOpDataEntry for VPN {}. ",
135 LOGGING_PREFIX_DELETE, vpnName, e);
139 if (!vpnOpValue.isPresent()) {
140 LOG.error("{} remove: Unable to retrieve VpnInstanceOpDataEntry for VPN {}. ", LOGGING_PREFIX_DELETE,
144 jobCoordinator.enqueueJob("VPN-" + vpnName, () ->
145 Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, tx -> {
146 VpnInstanceOpDataEntryBuilder builder = new VpnInstanceOpDataEntryBuilder().setVrfId(primaryRd)
147 .setVpnState(VpnInstanceOpDataEntry.VpnState.PendingDelete);
148 InstanceIdentifier<VpnInstanceOpDataEntry> id =
149 VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd);
150 tx.merge(id, builder.build());
152 LOG.info("{} call: Operational status set to PENDING_DELETE for vpn {} with rd {}",
153 LOGGING_PREFIX_DELETE, vpnName, primaryRd);
154 })), SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
159 protected void update(InstanceIdentifier<VpnInstance> identifier,
160 VpnInstance original, VpnInstance update) {
161 LOG.trace("VPN-UPDATE: update: VPN event key: {}, value: {}.", identifier, update);
162 String vpnName = update.getVpnInstanceName();
163 if (original.getIpv4Family() != null && update.getIpv4Family() != null
164 && original.getIpv4Family().getRouteDistinguisher() != null
165 && update.getIpv4Family().getRouteDistinguisher() != null
166 && original.getIpv4Family().getRouteDistinguisher().size()
167 != update.getIpv4Family().getRouteDistinguisher().size()) {
168 LOG.debug("VPN-UPDATE: VpnInstance:{} updated with new RDs: {} from old RDs: {}", vpnName,
169 update.getIpv4Family().getRouteDistinguisher(), original.getIpv4Family().getRouteDistinguisher());
170 vpnUtil.updateVpnInstanceWithRdList(vpnName, update.getIpv4Family().getRouteDistinguisher());
172 vpnInterfaceManager.updateVpnInterfacesForUnProcessAdjancencies(vpnName);
176 protected void add(final InstanceIdentifier<VpnInstance> identifier, final VpnInstance value) {
177 LOG.trace("{} add: Add VPN event key: {}, value: {}", LOGGING_PREFIX_ADD, identifier, value);
178 final String vpnName = value.getVpnInstanceName();
179 jobCoordinator.enqueueJob("VPN-" + vpnName, new AddVpnInstanceWorker(dataBroker, value),
180 SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
183 private class AddVpnInstanceWorker implements Callable<List<ListenableFuture<Void>>> {
184 private final Logger log = LoggerFactory.getLogger(AddVpnInstanceWorker.class);
185 VpnInstance vpnInstance;
188 AddVpnInstanceWorker(DataBroker broker,
190 this.broker = broker;
191 this.vpnInstance = value;
195 public List<ListenableFuture<Void>> call() {
196 // If another renderer(for eg : CSS) needs to be supported, check can be performed here
197 // to call the respective helpers.
198 List<ListenableFuture<Void>> futures = new ArrayList<>(2);
199 futures.add(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, confTx -> {
200 ListenableFuture<Void> future = txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, operTx ->
201 addVpnInstance(vpnInstance, confTx, operTx));
202 ListenableFutures.addErrorLogging(future, LOG, "{} call: error creating VPN {}", LOGGING_PREFIX_ADD,
203 vpnInstance.getVpnInstanceName());
206 Futures.addCallback(Futures.allAsList(futures),
207 new PostAddVpnInstanceWorker(vpnInstance , vpnInstance.getVpnInstanceName()),
208 MoreExecutors.directExecutor());
213 // TODO Clean up the exception handling
214 @SuppressWarnings("checkstyle:IllegalCatch")
215 private void addVpnInstance(VpnInstance value, TypedWriteTransaction<Configuration> writeConfigTxn,
216 TypedWriteTransaction<Operational> writeOperTxn) {
217 if (writeConfigTxn == null) {
218 ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, tx ->
219 addVpnInstance(value, tx, writeOperTxn)), LOG, "Error adding VPN instance {}", value);
222 if (writeOperTxn == null) {
223 ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, tx ->
224 addVpnInstance(value, writeConfigTxn, tx)), LOG, "Error adding VPN instance {}", value);
227 VpnAfConfig config = value.getIpv4Family();
228 String vpnInstanceName = value.getVpnInstanceName();
230 long vpnId = vpnUtil.getUniqueId(VpnConstants.VPN_IDPOOL_NAME, vpnInstanceName);
232 LOG.error("{} addVpnInstance: Unable to fetch label from Id Manager. Bailing out of adding operational"
233 + " data for Vpn Instance {}", LOGGING_PREFIX_ADD, value.getVpnInstanceName());
236 LOG.info("{} addVpnInstance: VPN Id {} generated for VpnInstanceName {}", LOGGING_PREFIX_ADD, vpnId,
238 String primaryRd = VpnUtil.getPrimaryRd(value);
239 org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance
240 vpnInstanceToVpnId = VpnUtil.getVpnInstanceToVpnId(vpnInstanceName, vpnId, primaryRd);
242 writeConfigTxn.put(VpnOperDsUtils.getVpnInstanceToVpnIdIdentifier(vpnInstanceName),
243 vpnInstanceToVpnId, CREATE_MISSING_PARENTS);
245 VpnIds vpnIdToVpnInstance = VpnUtil.getVpnIdToVpnInstance(vpnId, value.getVpnInstanceName(),
246 primaryRd, VpnUtil.isBgpVpn(vpnInstanceName, primaryRd));
248 writeConfigTxn.put(VpnUtil.getVpnIdToVpnInstanceIdentifier(vpnId), vpnIdToVpnInstance, CREATE_MISSING_PARENTS);
251 String cachedTransType = fibManager.getConfTransType();
252 if (cachedTransType.equals("Invalid")) {
254 fibManager.setConfTransType("L3VPN", "VXLAN");
255 } catch (Exception e) {
256 LOG.error("{} addVpnInstance: Exception caught setting the L3VPN tunnel transportType for vpn {}",
257 LOGGING_PREFIX_ADD, vpnInstanceName, e);
260 LOG.debug("{} addVpnInstance: Configured tunnel transport type for L3VPN {} as {}", LOGGING_PREFIX_ADD,
261 vpnInstanceName, cachedTransType);
263 } catch (Exception e) {
264 LOG.error("{} addVpnInstance: Error when trying to retrieve tunnel transport type for L3VPN {}",
265 LOGGING_PREFIX_ADD, vpnInstanceName, e);
268 VpnInstanceOpDataEntryBuilder builder =
269 new VpnInstanceOpDataEntryBuilder().setVrfId(primaryRd).setVpnId(vpnId)
270 .setVpnInstanceName(vpnInstanceName)
271 .setVpnState(VpnInstanceOpDataEntry.VpnState.Created)
272 .setIpv4Configured(false).setIpv6Configured(false);
273 if (VpnUtil.isBgpVpn(vpnInstanceName, primaryRd)) {
274 List<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn
275 .instance.op.data.entry.vpntargets.VpnTarget> opVpnTargetList = new ArrayList<>();
276 builder.setBgpvpnType(VpnInstanceOpDataEntry.BgpvpnType.BGPVPNExternal);
277 if (value.getL3vni() != null) {
278 builder.setL3vni(value.getL3vni());
280 if (value.getType() == VpnInstance.Type.L2) {
281 builder.setType(VpnInstanceOpDataEntry.Type.L2);
283 VpnTargets vpnTargets = config.getVpnTargets();
284 if (vpnTargets != null) {
285 List<VpnTarget> vpnTargetList = vpnTargets.getVpnTarget();
286 if (vpnTargetList != null) {
287 for (VpnTarget vpnTarget : vpnTargetList) {
288 VpnTargetBuilder vpnTargetBuilder =
289 new VpnTargetBuilder().withKey(new VpnTargetKey(vpnTarget.key().getVrfRTValue()))
290 .setVrfRTType(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn
291 .instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTarget.VrfRTType
292 .forValue(vpnTarget.getVrfRTType().getIntValue())).setVrfRTValue(
293 vpnTarget.getVrfRTValue());
294 opVpnTargetList.add(vpnTargetBuilder.build());
298 VpnTargetsBuilder vpnTargetsBuilder = new VpnTargetsBuilder().setVpnTarget(opVpnTargetList);
299 builder.setVpnTargets(vpnTargetsBuilder.build());
301 List<String> rds = config.getRouteDistinguisher();
304 builder.setBgpvpnType(VpnInstanceOpDataEntry.BgpvpnType.VPN);
306 writeOperTxn.merge(VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd), builder.build(), CREATE_MISSING_PARENTS);
307 LOG.info("{} addVpnInstance: VpnInstanceOpData populated successfully for vpn {} rd {}", LOGGING_PREFIX_ADD,
308 vpnInstanceName, primaryRd);
311 private class PostAddVpnInstanceWorker implements FutureCallback<List<Void>> {
312 private final Logger log = LoggerFactory.getLogger(PostAddVpnInstanceWorker.class);
313 VpnInstance vpnInstance;
316 PostAddVpnInstanceWorker(VpnInstance vpnInstance, String vpnName) {
317 this.vpnInstance = vpnInstance;
318 this.vpnName = vpnName;
322 * This implies that all the future instances have returned success. -- TODO: Confirm this
325 public void onSuccess(List<Void> voids) {
327 if rd is null, then its either a router vpn instance (or) a vlan external network vpn instance.
328 if rd is non-null, then it is a bgpvpn instance
330 VpnAfConfig config = vpnInstance.getIpv4Family();
331 List<String> rd = config.getRouteDistinguisher();
332 if (rd == null || addBgpVrf()) {
334 vpnInterfaceManager.vpnInstanceIsReady(vpnName);
336 log.info("{} onSuccess: Vpn Instance Op Data addition for {} successful.", LOGGING_PREFIX_ADD, vpnName);
337 VpnInstanceOpDataEntry vpnInstanceOpDataEntry = vpnUtil.getVpnInstanceOpData(
338 VpnUtil.getPrimaryRd(vpnInstance));
340 // bind service on each tunnel interface
341 //TODO (KIRAN): Add a new listener to handle creation of new DC-GW binding and deletion of existing DC-GW.
342 if (VpnUtil.isL3VpnOverVxLan(vpnInstance.getL3vni())) { //Handled for L3VPN Over VxLAN
343 for (String tunnelInterfaceName: getDcGatewayTunnelInterfaceNameList()) {
344 vpnUtil.bindService(vpnInstance.getVpnInstanceName(), tunnelInterfaceName,
345 true/*isTunnelInterface*/);
349 List<MatchInfo> mkMatches = new ArrayList<>();
350 mkMatches.add(new MatchTunnelId(BigInteger.valueOf(vpnInstance.getL3vni())));
352 List<InstructionInfo> instructions =
353 Arrays.asList(new InstructionWriteMetadata(MetaDataUtil.getVpnIdMetadata(vpnInstanceOpDataEntry
354 .getVpnId()), MetaDataUtil.METADATA_MASK_VRFID),
355 new InstructionGotoTable(NwConstants.L3_GW_MAC_TABLE));
357 for (BigInteger dpnId: NWUtil.getOperativeDPNs(dataBroker)) {
358 String flowRef = getFibFlowRef(dpnId, NwConstants.L3VNI_EXTERNAL_TUNNEL_DEMUX_TABLE,
359 vpnName, VpnConstants.DEFAULT_FLOW_PRIORITY);
360 FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId,
361 NwConstants.L3VNI_EXTERNAL_TUNNEL_DEMUX_TABLE, flowRef, VpnConstants.DEFAULT_FLOW_PRIORITY,
362 "VxLAN VPN Tunnel Bind Service", 0, 0, NwConstants.COOKIE_VM_FIB_TABLE,
363 mkMatches, instructions);
364 mdsalManager.installFlow(dpnId, flowEntity);
367 ///////////////////////
371 // TODO Clean up the exception handling
372 @SuppressWarnings("checkstyle:IllegalCatch")
373 private boolean addBgpVrf() {
374 VpnAfConfig config = vpnInstance.getIpv4Family();
375 String primaryRd = vpnUtil.getPrimaryRd(vpnName);
376 List<VpnTarget> vpnTargetList = config.getVpnTargets().getVpnTarget();
378 if (vpnTargetList == null) {
379 log.error("{} addBgpVrf: vpn target list is empty for vpn {} RD {}", LOGGING_PREFIX_ADD,
380 this.vpnName, primaryRd);
383 synchronized (vpnName.intern()) {
384 fibManager.addVrfTable(primaryRd, null);
386 vpnInterfaceManager.handleVpnsExportingRoutes(this.vpnName, primaryRd);
390 private void notifyTask() {
391 vpnOpDataNotifier.notifyVpnOpDataReady(VpnOpDataSyncer.VpnOpDataType.vpnInstanceToId, vpnName);
392 vpnOpDataNotifier.notifyVpnOpDataReady(VpnOpDataSyncer.VpnOpDataType.vpnOpData, vpnName);
396 * This method is used to handle failure callbacks.
397 * If more retry needed, the retrycount is decremented and mainworker is executed again.
398 * After retries completed, rollbackworker is executed.
399 * If rollbackworker fails, this is a double-fault. Double fault is logged and ignored.
403 public void onFailure(Throwable throwable) {
404 log.error("{} onFailure: Job for vpnInstance: {} failed with exception:", LOGGING_PREFIX_ADD, vpnName,
406 vpnInterfaceManager.vpnInstanceFailed(vpnName);
411 protected VpnInstanceOpDataEntry getVpnInstanceOpData(String rd) {
412 InstanceIdentifier<VpnInstanceOpDataEntry> id = VpnUtil.getVpnInstanceOpDataIdentifier(rd);
414 return SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL,
416 } catch (ReadFailedException e) {
417 throw new RuntimeException("Error reading VPN instance data for " + rd, e);
421 private List<String> getDcGatewayTunnelInterfaceNameList() {
422 List<String> tunnelInterfaceNameList = new ArrayList<>();
424 InstanceIdentifier<DcGatewayIpList> dcGatewayIpListInstanceIdentifier = InstanceIdentifier
425 .create(DcGatewayIpList.class);
426 Optional<DcGatewayIpList> dcGatewayIpListOptional = SingleTransactionDataBroker.syncReadOptional(
427 dataBroker, LogicalDatastoreType.CONFIGURATION, dcGatewayIpListInstanceIdentifier);
428 if (!dcGatewayIpListOptional.isPresent()) {
429 LOG.info("No DC gateways configured.");
430 return tunnelInterfaceNameList;
432 List<DcGatewayIp> dcGatewayIps = dcGatewayIpListOptional.get().nonnullDcGatewayIp();
433 InstanceIdentifier<ExternalTunnelList> externalTunnelListId = InstanceIdentifier
434 .create(ExternalTunnelList.class);
435 Optional<ExternalTunnelList> externalTunnelListOptional = SingleTransactionDataBroker.syncReadOptional(
436 dataBroker, LogicalDatastoreType.OPERATIONAL, externalTunnelListId);
437 if (externalTunnelListOptional.isPresent()) {
438 List<ExternalTunnel> externalTunnels = externalTunnelListOptional.get().nonnullExternalTunnel();
439 List<String> externalTunnelIpList = new ArrayList<>();
440 for (ExternalTunnel externalTunnel: externalTunnels) {
441 externalTunnelIpList.add(externalTunnel.getDestinationDevice());
443 List<String> dcGatewayIpList = new ArrayList<>();
444 for (DcGatewayIp dcGatewayIp: dcGatewayIps) {
445 dcGatewayIpList.add(dcGatewayIp.getIpAddress().getIpv4Address().toString());
447 // Find all externalTunnelIps present in dcGateWayIpList
448 List<String> externalTunnelIpsInDcGatewayIpList = new ArrayList<>();
449 for (String externalTunnelIp: externalTunnelIpList) {
450 for (String dcGateWayIp: dcGatewayIpList) {
451 if (externalTunnelIp.contentEquals(dcGateWayIp)) {
452 externalTunnelIpsInDcGatewayIpList.add(externalTunnelIp);
456 for (String externalTunnelIpsInDcGatewayIp: externalTunnelIpsInDcGatewayIpList) {
457 for (ExternalTunnel externalTunnel: externalTunnels) {
458 if (externalTunnel.getDestinationDevice().contentEquals(externalTunnelIpsInDcGatewayIp)) {
459 tunnelInterfaceNameList.add(externalTunnel.getTunnelInterfaceName());
465 } catch (ReadFailedException e) {
466 LOG.error("getDcGatewayTunnelInterfaceNameList: Failed to read data store");
468 return tunnelInterfaceNameList;
471 private String getFibFlowRef(BigInteger dpnId, short tableId, String vpnName, int priority) {
472 return VpnConstants.FLOWID_PREFIX + dpnId + NwConstants.FLOWID_SEPARATOR + tableId
473 + NwConstants.FLOWID_SEPARATOR + vpnName + NwConstants.FLOWID_SEPARATOR + priority;