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 com.google.common.base.Optional;
11 import com.google.common.util.concurrent.FutureCallback;
12 import com.google.common.util.concurrent.Futures;
13 import com.google.common.util.concurrent.ListenableFuture;
14 import com.google.common.util.concurrent.MoreExecutors;
15 import java.math.BigInteger;
16 import java.util.ArrayList;
17 import java.util.Arrays;
18 import java.util.Collections;
19 import java.util.List;
20 import java.util.concurrent.Callable;
21 import javax.annotation.PostConstruct;
22 import javax.inject.Inject;
23 import javax.inject.Singleton;
24 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
25 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
26 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
27 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
28 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
29 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
30 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
31 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
32 import org.opendaylight.genius.mdsalutil.FlowEntity;
33 import org.opendaylight.genius.mdsalutil.InstructionInfo;
34 import org.opendaylight.genius.mdsalutil.MDSALUtil;
35 import org.opendaylight.genius.mdsalutil.MatchInfo;
36 import org.opendaylight.genius.mdsalutil.MetaDataUtil;
37 import org.opendaylight.genius.mdsalutil.NWUtil;
38 import org.opendaylight.genius.mdsalutil.NwConstants;
39 import org.opendaylight.genius.mdsalutil.instructions.InstructionGotoTable;
40 import org.opendaylight.genius.mdsalutil.instructions.InstructionWriteMetadata;
41 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
42 import org.opendaylight.genius.mdsalutil.matches.MatchTunnelId;
43 import org.opendaylight.genius.utils.SystemPropertyReader;
44 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
45 import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
46 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
47 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnAfConfig;
48 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInstances;
49 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.VpnTargets;
50 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.af.config.vpntargets.VpnTarget;
51 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.ExternalTunnelList;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.external.tunnel.list.ExternalTunnel;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.DcGatewayIpList;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.dc.gateway.ip.list.DcGatewayIp;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.id.to.vpn.instance.VpnIds;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntryBuilder;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnTargetsBuilder;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTargetBuilder;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTargetKey;
63 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
64 import org.slf4j.Logger;
65 import org.slf4j.LoggerFactory;
68 public class VpnInstanceListener extends AsyncDataTreeChangeListenerBase<VpnInstance, VpnInstanceListener> {
69 private static final Logger LOG = LoggerFactory.getLogger(VpnInstanceListener.class);
70 private static final String LOGGING_PREFIX_ADD = "VPN-ADD:";
71 private static final String LOGGING_PREFIX_DELETE = "VPN-REMOVE:";
72 private final DataBroker dataBroker;
73 private final ManagedNewTransactionRunner txRunner;
74 private final IdManagerService idManager;
75 private final VpnInterfaceManager vpnInterfaceManager;
76 private final IFibManager fibManager;
77 private final VpnOpDataSyncer vpnOpDataNotifier;
78 private final IMdsalApiManager mdsalManager;
79 private final JobCoordinator jobCoordinator;
82 public VpnInstanceListener(final DataBroker dataBroker, final IdManagerService idManager,
83 final VpnInterfaceManager vpnInterfaceManager, final IFibManager fibManager,
84 final VpnOpDataSyncer vpnOpDataSyncer, final IMdsalApiManager mdsalManager,
85 final JobCoordinator jobCoordinator) {
86 super(VpnInstance.class, VpnInstanceListener.class);
87 this.dataBroker = dataBroker;
88 this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
89 this.idManager = idManager;
90 this.vpnInterfaceManager = vpnInterfaceManager;
91 this.fibManager = fibManager;
92 this.vpnOpDataNotifier = vpnOpDataSyncer;
93 this.mdsalManager = mdsalManager;
94 this.jobCoordinator = jobCoordinator;
99 LOG.info("{} start", getClass().getSimpleName());
100 registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
104 protected InstanceIdentifier<VpnInstance> getWildCardPath() {
105 return InstanceIdentifier.create(VpnInstances.class).child(VpnInstance.class);
109 protected VpnInstanceListener getDataTreeChangeListener() {
110 return VpnInstanceListener.this;
114 protected void remove(InstanceIdentifier<VpnInstance> identifier, VpnInstance del) {
115 LOG.trace("{} remove: VPN event key: {}, value: {}", LOGGING_PREFIX_DELETE, identifier, del);
116 final String vpnName = del.getVpnInstanceName();
117 Optional<VpnInstanceOpDataEntry> vpnOpValue;
118 String primaryRd = VpnUtil.getPrimaryRd(del);
120 //TODO(vpnteam): Entire code would need refactoring to listen only on the parent object - VPNInstance
122 vpnOpValue = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL,
123 VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd));
124 } catch (ReadFailedException e) {
125 LOG.error("{} remove: Exception when attempting to retrieve VpnInstanceOpDataEntry for VPN {}. ",
126 LOGGING_PREFIX_DELETE, vpnName, e);
130 if (!vpnOpValue.isPresent()) {
131 LOG.error("{} remove: Unable to retrieve VpnInstanceOpDataEntry for VPN {}. ", LOGGING_PREFIX_DELETE,
135 jobCoordinator.enqueueJob("VPN-" + vpnName, () ->
136 Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
137 VpnInstanceOpDataEntryBuilder builder = new VpnInstanceOpDataEntryBuilder().setVrfId(primaryRd)
138 .setVpnState(VpnInstanceOpDataEntry.VpnState.PendingDelete);
139 InstanceIdentifier<VpnInstanceOpDataEntry> id =
140 VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd);
141 tx.merge(LogicalDatastoreType.OPERATIONAL, id, builder.build());
143 LOG.info("{} call: Operational status set to PENDING_DELETE for vpn {} with rd {}",
144 LOGGING_PREFIX_DELETE, vpnName, primaryRd);
145 })), SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
150 protected void update(InstanceIdentifier<VpnInstance> identifier,
151 VpnInstance original, VpnInstance update) {
152 LOG.trace("VPN-UPDATE: update: VPN event key: {}, value: {}. Ignoring", identifier, update);
153 String vpnName = update.getVpnInstanceName();
154 vpnInterfaceManager.updateVpnInterfacesForUnProcessAdjancencies(vpnName);
158 protected void add(final InstanceIdentifier<VpnInstance> identifier, final VpnInstance value) {
159 LOG.trace("{} add: Add VPN event key: {}, value: {}", LOGGING_PREFIX_ADD, identifier, value);
160 final String vpnName = value.getVpnInstanceName();
161 jobCoordinator.enqueueJob("VPN-" + vpnName, new AddVpnInstanceWorker(dataBroker, value),
162 SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
165 private class AddVpnInstanceWorker implements Callable<List<ListenableFuture<Void>>> {
166 private final Logger log = LoggerFactory.getLogger(AddVpnInstanceWorker.class);
167 VpnInstance vpnInstance;
170 AddVpnInstanceWorker(DataBroker broker,
172 this.broker = broker;
173 this.vpnInstance = value;
177 public List<ListenableFuture<Void>> call() {
178 // If another renderer(for eg : CSS) needs to be supported, check can be performed here
179 // to call the respective helpers.
180 List<ListenableFuture<Void>> futures = new ArrayList<>(2);
181 futures.add(txRunner.callWithNewWriteOnlyTransactionAndSubmit(confTx -> {
182 ListenableFuture<Void> future = txRunner.callWithNewWriteOnlyTransactionAndSubmit(operTx ->
183 addVpnInstance(vpnInstance, confTx, operTx));
184 ListenableFutures.addErrorLogging(future, LOG, "{} call: error creating VPN {}", LOGGING_PREFIX_ADD,
185 vpnInstance.getVpnInstanceName());
188 Futures.addCallback(Futures.allAsList(futures),
189 new PostAddVpnInstanceWorker(vpnInstance , vpnInstance.getVpnInstanceName()),
190 MoreExecutors.directExecutor());
195 // TODO Clean up the exception handling
196 @SuppressWarnings("checkstyle:IllegalCatch")
197 private void addVpnInstance(VpnInstance value, WriteTransaction writeConfigTxn,
198 WriteTransaction writeOperTxn) {
199 if (writeConfigTxn == null) {
200 ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx ->
201 addVpnInstance(value, tx, writeOperTxn)), LOG, "Error adding VPN instance {}", value);
204 if (writeOperTxn == null) {
205 ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx ->
206 addVpnInstance(value, writeConfigTxn, tx)), LOG, "Error adding VPN instance {}", value);
209 VpnAfConfig config = value.getIpv4Family();
210 String vpnInstanceName = value.getVpnInstanceName();
212 long vpnId = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, vpnInstanceName);
214 LOG.error("{} addVpnInstance: Unable to fetch label from Id Manager. Bailing out of adding operational"
215 + " data for Vpn Instance {}", LOGGING_PREFIX_ADD, value.getVpnInstanceName());
218 LOG.info("{} addVpnInstance: VPN Id {} generated for VpnInstanceName {}", LOGGING_PREFIX_ADD, vpnId,
220 String primaryRd = VpnUtil.getPrimaryRd(value);
221 org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance
222 vpnInstanceToVpnId = VpnUtil.getVpnInstanceToVpnId(vpnInstanceName, vpnId, primaryRd);
224 writeConfigTxn.put(LogicalDatastoreType.CONFIGURATION,
225 VpnOperDsUtils.getVpnInstanceToVpnIdIdentifier(vpnInstanceName),
226 vpnInstanceToVpnId, WriteTransaction.CREATE_MISSING_PARENTS);
228 VpnIds vpnIdToVpnInstance = VpnUtil.getVpnIdToVpnInstance(vpnId, value.getVpnInstanceName(),
229 primaryRd, VpnUtil.isBgpVpn(vpnInstanceName, primaryRd));
231 writeConfigTxn.put(LogicalDatastoreType.CONFIGURATION,
232 VpnUtil.getVpnIdToVpnInstanceIdentifier(vpnId),
233 vpnIdToVpnInstance, WriteTransaction.CREATE_MISSING_PARENTS);
236 String cachedTransType = fibManager.getConfTransType();
237 if (cachedTransType.equals("Invalid")) {
239 fibManager.setConfTransType("L3VPN", "VXLAN");
240 } catch (Exception e) {
241 LOG.error("{} addVpnInstance: Exception caught setting the L3VPN tunnel transportType for vpn {}",
242 LOGGING_PREFIX_ADD, vpnInstanceName, e);
245 LOG.debug("{} addVpnInstance: Configured tunnel transport type for L3VPN {} as {}", LOGGING_PREFIX_ADD,
246 vpnInstanceName, cachedTransType);
248 } catch (Exception e) {
249 LOG.error("{} addVpnInstance: Error when trying to retrieve tunnel transport type for L3VPN {}",
250 LOGGING_PREFIX_ADD, vpnInstanceName, e);
253 VpnInstanceOpDataEntryBuilder builder =
254 new VpnInstanceOpDataEntryBuilder().setVrfId(primaryRd).setVpnId(vpnId)
255 .setVpnInstanceName(vpnInstanceName)
256 .setVpnState(VpnInstanceOpDataEntry.VpnState.Created)
257 .setIpv4Configured(false).setIpv6Configured(false);
258 if (VpnUtil.isBgpVpn(vpnInstanceName, primaryRd)) {
259 List<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn
260 .instance.op.data.entry.vpntargets.VpnTarget> opVpnTargetList = new ArrayList<>();
261 builder.setBgpvpnType(VpnInstanceOpDataEntry.BgpvpnType.BGPVPNExternal);
262 if (value.getL3vni() != null) {
263 builder.setL3vni(value.getL3vni());
265 if (value.getType() == VpnInstance.Type.L2) {
266 builder.setType(VpnInstanceOpDataEntry.Type.L2);
268 VpnTargets vpnTargets = config.getVpnTargets();
269 if (vpnTargets != null) {
270 List<VpnTarget> vpnTargetList = vpnTargets.getVpnTarget();
271 if (vpnTargetList != null) {
272 for (VpnTarget vpnTarget : vpnTargetList) {
273 VpnTargetBuilder vpnTargetBuilder =
274 new VpnTargetBuilder().withKey(new VpnTargetKey(vpnTarget.key().getVrfRTValue()))
275 .setVrfRTType(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn
276 .instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTarget.VrfRTType
277 .forValue(vpnTarget.getVrfRTType().getIntValue())).setVrfRTValue(
278 vpnTarget.getVrfRTValue());
279 opVpnTargetList.add(vpnTargetBuilder.build());
283 VpnTargetsBuilder vpnTargetsBuilder = new VpnTargetsBuilder().setVpnTarget(opVpnTargetList);
284 builder.setVpnTargets(vpnTargetsBuilder.build());
286 List<String> rds = config.getRouteDistinguisher();
289 builder.setBgpvpnType(VpnInstanceOpDataEntry.BgpvpnType.VPN);
291 writeOperTxn.merge(LogicalDatastoreType.OPERATIONAL,
292 VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd),
293 builder.build(), true);
294 LOG.info("{} addVpnInstance: VpnInstanceOpData populated successfully for vpn {} rd {}", LOGGING_PREFIX_ADD,
295 vpnInstanceName, primaryRd);
298 private class PostAddVpnInstanceWorker implements FutureCallback<List<Void>> {
299 private final Logger log = LoggerFactory.getLogger(PostAddVpnInstanceWorker.class);
300 VpnInstance vpnInstance;
303 PostAddVpnInstanceWorker(VpnInstance vpnInstance, String vpnName) {
304 this.vpnInstance = vpnInstance;
305 this.vpnName = vpnName;
309 * This implies that all the future instances have returned success. -- TODO: Confirm this
312 public void onSuccess(List<Void> voids) {
314 if rd is null, then its either a router vpn instance (or) a vlan external network vpn instance.
315 if rd is non-null, then it is a bgpvpn instance
317 VpnAfConfig config = vpnInstance.getIpv4Family();
318 List<String> rd = config.getRouteDistinguisher();
319 if (rd == null || addBgpVrf()) {
321 vpnInterfaceManager.vpnInstanceIsReady(vpnName);
323 log.info("{} onSuccess: Vpn Instance Op Data addition for {} successful.", LOGGING_PREFIX_ADD, vpnName);
324 VpnInstanceOpDataEntry vpnInstanceOpDataEntry = VpnUtil.getVpnInstanceOpData(dataBroker,
325 VpnUtil.getPrimaryRd(vpnInstance));
327 // bind service on each tunnel interface
328 //TODO (KIRAN): Add a new listener to handle creation of new DC-GW binding and deletion of existing DC-GW.
329 if (VpnUtil.isL3VpnOverVxLan(vpnInstance.getL3vni())) { //Handled for L3VPN Over VxLAN
330 for (String tunnelInterfaceName: getDcGatewayTunnelInterfaceNameList()) {
331 VpnUtil.bindService(vpnInstance.getVpnInstanceName(), tunnelInterfaceName, dataBroker,
332 true/*isTunnelInterface*/, jobCoordinator);
336 List<MatchInfo> mkMatches = new ArrayList<>();
337 mkMatches.add(new MatchTunnelId(BigInteger.valueOf(vpnInstance.getL3vni())));
339 List<InstructionInfo> instructions =
340 Arrays.asList(new InstructionWriteMetadata(MetaDataUtil.getVpnIdMetadata(vpnInstanceOpDataEntry
341 .getVpnId()), MetaDataUtil.METADATA_MASK_VRFID),
342 new InstructionGotoTable(NwConstants.L3_GW_MAC_TABLE));
344 for (BigInteger dpnId: NWUtil.getOperativeDPNs(dataBroker)) {
345 String flowRef = getFibFlowRef(dpnId, NwConstants.L3VNI_EXTERNAL_TUNNEL_DEMUX_TABLE,
346 vpnName, VpnConstants.DEFAULT_FLOW_PRIORITY);
347 FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId,
348 NwConstants.L3VNI_EXTERNAL_TUNNEL_DEMUX_TABLE, flowRef, VpnConstants.DEFAULT_FLOW_PRIORITY,
349 "VxLAN VPN Tunnel Bind Service", 0, 0, NwConstants.COOKIE_VM_FIB_TABLE,
350 mkMatches, instructions);
351 mdsalManager.installFlow(dpnId, flowEntity);
354 ///////////////////////
358 // TODO Clean up the exception handling
359 @SuppressWarnings("checkstyle:IllegalCatch")
360 private boolean addBgpVrf() {
361 VpnAfConfig config = vpnInstance.getIpv4Family();
362 String primaryRd = VpnUtil.getPrimaryRd(dataBroker, vpnName);
363 List<VpnTarget> vpnTargetList = config.getVpnTargets().getVpnTarget();
365 if (vpnTargetList == null) {
366 log.error("{} addBgpVrf: vpn target list is empty for vpn {} RD {}", LOGGING_PREFIX_ADD,
367 this.vpnName, primaryRd);
370 synchronized (vpnName.intern()) {
371 fibManager.addVrfTable(primaryRd, null);
373 vpnInterfaceManager.handleVpnsExportingRoutes(this.vpnName, primaryRd);
377 private void notifyTask() {
378 vpnOpDataNotifier.notifyVpnOpDataReady(VpnOpDataSyncer.VpnOpDataType.vpnInstanceToId, vpnName);
379 vpnOpDataNotifier.notifyVpnOpDataReady(VpnOpDataSyncer.VpnOpDataType.vpnOpData, vpnName);
383 * This method is used to handle failure callbacks.
384 * If more retry needed, the retrycount is decremented and mainworker is executed again.
385 * After retries completed, rollbackworker is executed.
386 * If rollbackworker fails, this is a double-fault. Double fault is logged and ignored.
390 public void onFailure(Throwable throwable) {
391 log.error("{} onFailure: Job for vpnInstance: {} failed with exception:", LOGGING_PREFIX_ADD, vpnName,
393 vpnInterfaceManager.vpnInstanceFailed(vpnName);
397 protected VpnInstanceOpDataEntry getVpnInstanceOpData(String rd) {
398 InstanceIdentifier<VpnInstanceOpDataEntry> id = VpnUtil.getVpnInstanceOpDataIdentifier(rd);
400 return SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL,
402 } catch (ReadFailedException e) {
403 throw new RuntimeException("Error reading VPN instance data for " + rd, e);
407 private List<String> getDcGatewayTunnelInterfaceNameList() {
408 List<String> tunnelInterfaceNameList = new ArrayList<>();
410 InstanceIdentifier<DcGatewayIpList> dcGatewayIpListInstanceIdentifier = InstanceIdentifier
411 .create(DcGatewayIpList.class);
412 Optional<DcGatewayIpList> dcGatewayIpListOptional = SingleTransactionDataBroker.syncReadOptional(
413 dataBroker, LogicalDatastoreType.CONFIGURATION, dcGatewayIpListInstanceIdentifier);
414 if (!dcGatewayIpListOptional.isPresent()) {
415 LOG.info("No DC gateways configured.");
416 return tunnelInterfaceNameList;
418 List<DcGatewayIp> dcGatewayIps = dcGatewayIpListOptional.get().getDcGatewayIp();
419 InstanceIdentifier<ExternalTunnelList> externalTunnelListId = InstanceIdentifier
420 .create(ExternalTunnelList.class);
421 Optional<ExternalTunnelList> externalTunnelListOptional = SingleTransactionDataBroker.syncReadOptional(
422 dataBroker, LogicalDatastoreType.OPERATIONAL, externalTunnelListId);
423 if (externalTunnelListOptional.isPresent()) {
424 List<ExternalTunnel> externalTunnels = externalTunnelListOptional.get().getExternalTunnel();
425 List<String> externalTunnelIpList = new ArrayList<>();
426 for (ExternalTunnel externalTunnel: externalTunnels) {
427 externalTunnelIpList.add(externalTunnel.getDestinationDevice());
429 List<String> dcGatewayIpList = new ArrayList<>();
430 for (DcGatewayIp dcGatewayIp: dcGatewayIps) {
431 dcGatewayIpList.add(dcGatewayIp.getIpAddress().getIpv4Address().toString());
433 // Find all externalTunnelIps present in dcGateWayIpList
434 List<String> externalTunnelIpsInDcGatewayIpList = new ArrayList<>();
435 for (String externalTunnelIp: externalTunnelIpList) {
436 for (String dcGateWayIp: dcGatewayIpList) {
437 if (externalTunnelIp.contentEquals(dcGateWayIp)) {
438 externalTunnelIpsInDcGatewayIpList.add(externalTunnelIp);
442 for (String externalTunnelIpsInDcGatewayIp: externalTunnelIpsInDcGatewayIpList) {
443 for (ExternalTunnel externalTunnel: externalTunnels) {
444 if (externalTunnel.getDestinationDevice().contentEquals(externalTunnelIpsInDcGatewayIp)) {
445 tunnelInterfaceNameList.add(externalTunnel.getTunnelInterfaceName());
451 } catch (ReadFailedException e) {
452 LOG.error("getDcGatewayTunnelInterfaceNameList: Failed to read data store");
454 return tunnelInterfaceNameList;
457 private String getFibFlowRef(BigInteger dpnId, short tableId, String vpnName, int priority) {
458 return VpnConstants.FLOWID_PREFIX + dpnId + NwConstants.FLOWID_SEPARATOR + tableId
459 + NwConstants.FLOWID_SEPARATOR + vpnName + NwConstants.FLOWID_SEPARATOR + priority;