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 edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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 java.util.concurrent.locks.ReentrantLock;
26 import javax.annotation.PostConstruct;
27 import javax.inject.Inject;
28 import javax.inject.Singleton;
29 import org.eclipse.jdt.annotation.Nullable;
30 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
31 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
32 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
33 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
34 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
35 import org.opendaylight.genius.infra.Datastore.Configuration;
36 import org.opendaylight.genius.infra.Datastore.Operational;
37 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
38 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
39 import org.opendaylight.genius.infra.TypedWriteTransaction;
40 import org.opendaylight.genius.mdsalutil.FlowEntity;
41 import org.opendaylight.genius.mdsalutil.InstructionInfo;
42 import org.opendaylight.genius.mdsalutil.MDSALUtil;
43 import org.opendaylight.genius.mdsalutil.MatchInfo;
44 import org.opendaylight.genius.mdsalutil.MetaDataUtil;
45 import org.opendaylight.genius.mdsalutil.NWUtil;
46 import org.opendaylight.genius.mdsalutil.NwConstants;
47 import org.opendaylight.genius.mdsalutil.instructions.InstructionGotoTable;
48 import org.opendaylight.genius.mdsalutil.instructions.InstructionWriteMetadata;
49 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
50 import org.opendaylight.genius.mdsalutil.matches.MatchTunnelId;
51 import org.opendaylight.genius.utils.JvmGlobalLocks;
52 import org.opendaylight.genius.utils.SystemPropertyReader;
53 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
54 import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
55 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.ExternalTunnelList;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.op.rev160406.external.tunnel.list.ExternalTunnel;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.DcGatewayIpList;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.itm.rev160406.dc.gateway.ip.list.DcGatewayIp;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.id.to.vpn.instance.VpnIds;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntryBuilder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnTargetsBuilder;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTargetBuilder;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTargetKey;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.VpnInstances;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.VpnInstance;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.vpn.instance.VpnTargets;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.vpn.instances.vpn.instance.vpntargets.VpnTarget;
71 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
72 import org.opendaylight.yangtools.yang.common.Uint32;
73 import org.opendaylight.yangtools.yang.common.Uint64;
74 import org.slf4j.Logger;
75 import org.slf4j.LoggerFactory;
78 public class VpnInstanceListener extends AsyncDataTreeChangeListenerBase<VpnInstance, VpnInstanceListener> {
79 private static final Logger LOG = LoggerFactory.getLogger(VpnInstanceListener.class);
80 private static final String LOGGING_PREFIX_ADD = "VPN-ADD:";
81 private static final String LOGGING_PREFIX_UPDATE = "VPN-UPDATE:";
82 private static final String LOGGING_PREFIX_DELETE = "VPN-REMOVE:";
83 private final DataBroker dataBroker;
84 private final ManagedNewTransactionRunner txRunner;
85 private final IdManagerService idManager;
86 private final VpnInterfaceManager vpnInterfaceManager;
87 private final IFibManager fibManager;
88 private final VpnOpDataSyncer vpnOpDataNotifier;
89 private final IMdsalApiManager mdsalManager;
90 private final JobCoordinator jobCoordinator;
91 private final VpnUtil vpnUtil;
94 public VpnInstanceListener(final DataBroker dataBroker, final IdManagerService idManager,
95 final VpnInterfaceManager vpnInterfaceManager, final IFibManager fibManager,
96 final VpnOpDataSyncer vpnOpDataSyncer, final IMdsalApiManager mdsalManager,
97 final JobCoordinator jobCoordinator, VpnUtil vpnUtil) {
98 super(VpnInstance.class, VpnInstanceListener.class);
99 this.dataBroker = dataBroker;
100 this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
101 this.idManager = idManager;
102 this.vpnInterfaceManager = vpnInterfaceManager;
103 this.fibManager = fibManager;
104 this.vpnOpDataNotifier = vpnOpDataSyncer;
105 this.mdsalManager = mdsalManager;
106 this.jobCoordinator = jobCoordinator;
107 this.vpnUtil = vpnUtil;
111 public void start() {
112 LOG.info("{} start", getClass().getSimpleName());
113 registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
117 protected InstanceIdentifier<VpnInstance> getWildCardPath() {
118 return InstanceIdentifier.create(VpnInstances.class).child(VpnInstance.class);
122 protected VpnInstanceListener getDataTreeChangeListener() {
123 return VpnInstanceListener.this;
127 protected void remove(InstanceIdentifier<VpnInstance> identifier, VpnInstance del) {
128 LOG.trace("{} : VPN event key: {}, value: {}", LOGGING_PREFIX_DELETE, identifier, del);
129 final String vpnName = del.getVpnInstanceName();
130 Optional<VpnInstanceOpDataEntry> vpnOpValue;
131 String primaryRd = vpnUtil.getVpnRd(vpnName);
132 if (primaryRd == null) {
133 LOG.error("{}, failed to remove VPN: primaryRd is null for vpn {}", LOGGING_PREFIX_DELETE, vpnName);
137 //TODO(vpnteam): Entire code would need refactoring to listen only on the parent object - VPNInstance
139 vpnOpValue = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL,
140 VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd));
141 } catch (ReadFailedException e) {
142 LOG.error("{}, failed to remove VPN: Exception while retrieving VpnInstanceOpDataEntry for VPN {}. ",
143 LOGGING_PREFIX_DELETE, vpnName, e);
147 if (!vpnOpValue.isPresent()) {
148 LOG.error("{}, failed to remove VPN: Unable to retrieve VpnInstanceOpDataEntry for VPN {}. ",
149 LOGGING_PREFIX_DELETE, vpnName);
152 jobCoordinator.enqueueJob("VPN-" + vpnName, () ->
153 Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, tx -> {
154 VpnInstanceOpDataEntryBuilder builder = null;
155 InstanceIdentifier<VpnInstanceOpDataEntry> id = null;
156 if (primaryRd != null) {
157 builder = new VpnInstanceOpDataEntryBuilder().setVrfId(primaryRd)
158 .setVpnState(VpnInstanceOpDataEntry.VpnState.PendingDelete);
159 id = VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd);
161 builder = new VpnInstanceOpDataEntryBuilder().setVrfId(vpnName)
162 .setVpnState(VpnInstanceOpDataEntry.VpnState.PendingDelete);
163 id = VpnUtil.getVpnInstanceOpDataIdentifier(vpnName);
165 tx.merge(id, builder.build());
167 LOG.info("{} call: Operational status set to PENDING_DELETE for vpn {} with rd {}",
168 LOGGING_PREFIX_DELETE, vpnName, primaryRd);
169 })), SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
174 protected void update(InstanceIdentifier<VpnInstance> identifier,
175 VpnInstance original, VpnInstance update) {
176 LOG.trace("VPN-UPDATE: update: VPN event key: {}, value: {}.", identifier, update);
177 String vpnName = update.getVpnInstanceName();
178 if (original != null && update != null
179 && original.getRouteDistinguisher() != null
180 && update.getRouteDistinguisher() != null
181 && original.getRouteDistinguisher().size()
182 != update.getRouteDistinguisher().size()) {
183 LOG.debug("VPN-UPDATE: VpnInstance:{} updated with new RDs: {} from old RDs: {}", vpnName,
184 update.getRouteDistinguisher(), original.getRouteDistinguisher());
185 vpnUtil.updateVpnInstanceWithRdList(vpnName, update.getRouteDistinguisher());
187 vpnInterfaceManager.updateVpnInterfacesForUnProcessAdjancencies(vpnName);
191 protected void add(final InstanceIdentifier<VpnInstance> identifier, final VpnInstance value) {
192 LOG.trace("{} add: Add VPN event key: {}, value: {}", LOGGING_PREFIX_ADD, identifier, value);
193 final String vpnName = value.getVpnInstanceName();
194 jobCoordinator.enqueueJob("VPN-" + vpnName, new AddVpnInstanceWorker(dataBroker, value),
195 SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
198 private class AddVpnInstanceWorker implements Callable<List<ListenableFuture<Void>>> {
199 private final Logger log = LoggerFactory.getLogger(AddVpnInstanceWorker.class);
200 VpnInstance vpnInstance;
203 AddVpnInstanceWorker(DataBroker broker,
205 this.broker = broker;
206 this.vpnInstance = value;
210 public List<ListenableFuture<Void>> call() {
211 // If another renderer(for eg : CSS) needs to be supported, check can be performed here
212 // to call the respective helpers.
213 List<ListenableFuture<Void>> futures = new ArrayList<>(2);
214 futures.add(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, confTx -> {
215 ListenableFuture<Void> future = txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, operTx ->
216 addVpnInstance(vpnInstance, confTx, operTx));
217 ListenableFutures.addErrorLogging(future, LOG, "{} call: error creating VPN {} rd {}",
218 LOGGING_PREFIX_ADD, vpnInstance.getVpnInstanceName(),
219 vpnInstance.getRouteDistinguisher());
222 Futures.addCallback(Futures.allAsList(futures),
223 new PostAddVpnInstanceWorker(vpnInstance , vpnInstance.getVpnInstanceName()),
224 MoreExecutors.directExecutor());
229 // TODO Clean up the exception handling
230 @SuppressWarnings("checkstyle:IllegalCatch")
231 private void addVpnInstance(VpnInstance value, TypedWriteTransaction<Configuration> writeConfigTxn,
232 TypedWriteTransaction<Operational> writeOperTxn) {
233 if (writeConfigTxn == null) {
234 ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, tx ->
235 addVpnInstance(value, tx, writeOperTxn)), LOG, "Error adding VPN instance {}", value);
238 if (writeOperTxn == null) {
239 ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, tx ->
240 addVpnInstance(value, writeConfigTxn, tx)), LOG, "Error adding VPN instance {}", value);
243 String vpnInstanceName = value.getVpnInstanceName();
245 Uint32 vpnId = vpnUtil.getUniqueId(VpnConstants.VPN_IDPOOL_NAME, vpnInstanceName);
246 if (vpnId.longValue() == 0) {
247 LOG.error("{} addVpnInstance: Unable to fetch label from Id Manager. Bailing out of adding operational"
248 + " data for Vpn Instance {}", LOGGING_PREFIX_ADD, value.getVpnInstanceName());
251 LOG.info("{} addVpnInstance: VPN Id {} generated for VpnInstanceName {}", LOGGING_PREFIX_ADD, vpnId,
253 String primaryRd = VpnUtil.getPrimaryRd(value);
254 org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance
255 vpnInstanceToVpnId = VpnUtil.getVpnInstanceToVpnId(vpnInstanceName, vpnId, primaryRd);
257 writeConfigTxn.put(VpnOperDsUtils.getVpnInstanceToVpnIdIdentifier(vpnInstanceName),
258 vpnInstanceToVpnId, CREATE_MISSING_PARENTS);
260 VpnIds vpnIdToVpnInstance = VpnUtil.getVpnIdToVpnInstance(vpnId, value.getVpnInstanceName(),
261 primaryRd, VpnUtil.isBgpVpn(vpnInstanceName, primaryRd));
263 writeConfigTxn.put(VpnUtil.getVpnIdToVpnInstanceIdentifier(vpnId), vpnIdToVpnInstance, CREATE_MISSING_PARENTS);
266 String cachedTransType = fibManager.getConfTransType();
267 if (cachedTransType.equals("Invalid")) {
269 fibManager.setConfTransType("L3VPN", "VXLAN");
270 } catch (Exception e) {
271 LOG.error("{} addVpnInstance: Exception caught setting the L3VPN tunnel transportType for vpn {}",
272 LOGGING_PREFIX_ADD, vpnInstanceName, e);
275 LOG.debug("{} addVpnInstance: Configured tunnel transport type for L3VPN {} as {}", LOGGING_PREFIX_ADD,
276 vpnInstanceName, cachedTransType);
278 } catch (Exception e) {
279 LOG.error("{} addVpnInstance: Error when trying to retrieve tunnel transport type for L3VPN {}",
280 LOGGING_PREFIX_ADD, vpnInstanceName, e);
283 VpnInstanceOpDataEntryBuilder builder =
284 new VpnInstanceOpDataEntryBuilder().setVrfId(primaryRd).setVpnId(vpnId)
285 .setVpnInstanceName(vpnInstanceName)
286 .setVpnState(VpnInstanceOpDataEntry.VpnState.Created);
287 if (VpnUtil.isBgpVpn(vpnInstanceName, primaryRd)) {
288 List<org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn
289 .instance.op.data.entry.vpntargets.VpnTarget> opVpnTargetList = new ArrayList<>();
290 builder.setBgpvpnType(VpnInstanceOpDataEntry.BgpvpnType.BGPVPNExternal);
291 if (value.getL3vni() != null) {
292 builder.setL3vni(value.getL3vni());
294 if (value.isL2vpn()) {
295 builder.setType(VpnInstanceOpDataEntry.Type.L2);
297 VpnTargets vpnTargets = value.getVpnTargets();
298 if (vpnTargets != null) {
299 List<VpnTarget> vpnTargetList = vpnTargets.getVpnTarget();
300 if (vpnTargetList != null) {
301 for (VpnTarget vpnTarget : vpnTargetList) {
302 VpnTargetBuilder vpnTargetBuilder =
303 new VpnTargetBuilder().withKey(new VpnTargetKey(vpnTarget.key().getVrfRTValue()))
304 .setVrfRTType(org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn
305 .instance.op.data.vpn.instance.op.data.entry.vpntargets.VpnTarget.VrfRTType
306 .forValue(vpnTarget.getVrfRTType().getIntValue())).setVrfRTValue(
307 vpnTarget.getVrfRTValue());
308 opVpnTargetList.add(vpnTargetBuilder.build());
312 VpnTargetsBuilder vpnTargetsBuilder = new VpnTargetsBuilder().setVpnTarget(opVpnTargetList);
313 builder.setVpnTargets(vpnTargetsBuilder.build());
315 List<String> rds = value.getRouteDistinguisher();
318 builder.setBgpvpnType(VpnInstanceOpDataEntry.BgpvpnType.VPN);
320 writeOperTxn.merge(VpnUtil.getVpnInstanceOpDataIdentifier(primaryRd), builder.build(), CREATE_MISSING_PARENTS);
321 LOG.info("{} addVpnInstance: VpnInstanceOpData populated successfully for vpn {} rd {}", LOGGING_PREFIX_ADD,
322 vpnInstanceName, primaryRd);
325 private class PostAddVpnInstanceWorker implements FutureCallback<List<Void>> {
326 private final Logger log = LoggerFactory.getLogger(PostAddVpnInstanceWorker.class);
327 VpnInstance vpnInstance;
330 PostAddVpnInstanceWorker(VpnInstance vpnInstance, String vpnName) {
331 this.vpnInstance = vpnInstance;
332 this.vpnName = vpnName;
336 * This implies that all the future instances have returned success. -- TODO: Confirm this
339 public void onSuccess(List<Void> voids) {
341 if rd is null, then its either a router vpn instance (or) a vlan external network vpn instance.
342 if rd is non-null, then it is a bgpvpn instance
344 List<String> rd = vpnInstance.getRouteDistinguisher();
345 if (rd == null || addBgpVrf()) {
347 vpnInterfaceManager.vpnInstanceIsReady(vpnName);
349 log.info("{} onSuccess: Vpn Instance Op Data addition for {} successful.", LOGGING_PREFIX_ADD, vpnName);
350 VpnInstanceOpDataEntry vpnInstanceOpDataEntry = vpnUtil.getVpnInstanceOpData(
351 VpnUtil.getPrimaryRd(vpnInstance));
353 // bind service on each tunnel interface
354 //TODO (KIRAN): Add a new listener to handle creation of new DC-GW binding and deletion of existing DC-GW.
355 if (VpnUtil.isL3VpnOverVxLan(vpnInstance.getL3vni())) { //Handled for L3VPN Over VxLAN
356 for (String tunnelInterfaceName: getDcGatewayTunnelInterfaceNameList()) {
357 vpnUtil.bindService(vpnInstance.getVpnInstanceName(), tunnelInterfaceName,
358 true/*isTunnelInterface*/);
362 List<MatchInfo> mkMatches = new ArrayList<>();
363 mkMatches.add(new MatchTunnelId(Uint64.valueOf(vpnInstance.getL3vni())));
365 List<InstructionInfo> instructions =
366 Arrays.asList(new InstructionWriteMetadata(MetaDataUtil.getVpnIdMetadata(vpnInstanceOpDataEntry
367 .getVpnId().toJava()), MetaDataUtil.METADATA_MASK_VRFID),
368 new InstructionGotoTable(NwConstants.L3_GW_MAC_TABLE));
370 for (Uint64 dpnId: NWUtil.getOperativeDPNs(dataBroker)) {
371 String flowRef = getFibFlowRef(dpnId, NwConstants.L3VNI_EXTERNAL_TUNNEL_DEMUX_TABLE,
372 vpnName, VpnConstants.DEFAULT_FLOW_PRIORITY);
373 FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId,
374 NwConstants.L3VNI_EXTERNAL_TUNNEL_DEMUX_TABLE, flowRef, VpnConstants.DEFAULT_FLOW_PRIORITY,
375 "VxLAN VPN Tunnel Bind Service", 0, 0, NwConstants.COOKIE_VM_FIB_TABLE,
376 mkMatches, instructions);
377 mdsalManager.installFlow(dpnId, flowEntity);
380 ///////////////////////
384 // TODO Clean up the exception handling
385 @SuppressWarnings("checkstyle:IllegalCatch")
386 private boolean addBgpVrf() {
387 String primaryRd = vpnUtil.getPrimaryRd(vpnName);
388 List<VpnTarget> vpnTargetList = vpnInstance.getVpnTargets().getVpnTarget();
390 if (vpnTargetList == null) {
391 log.error("{} addBgpVrf: vpn target list is empty for vpn {} RD {}", LOGGING_PREFIX_ADD,
392 this.vpnName, primaryRd);
395 // FIXME: separate out to somehow?
396 final ReentrantLock lock = JvmGlobalLocks.getLockForString(vpnName);
399 fibManager.addVrfTable(primaryRd, null);
403 vpnInterfaceManager.handleVpnsExportingRoutes(this.vpnName, primaryRd);
407 private void notifyTask() {
408 vpnOpDataNotifier.notifyVpnOpDataReady(VpnOpDataSyncer.VpnOpDataType.vpnInstanceToId, vpnName);
409 vpnOpDataNotifier.notifyVpnOpDataReady(VpnOpDataSyncer.VpnOpDataType.vpnOpData, vpnName);
413 * This method is used to handle failure callbacks.
414 * If more retry needed, the retrycount is decremented and mainworker is executed again.
415 * After retries completed, rollbackworker is executed.
416 * If rollbackworker fails, this is a double-fault. Double fault is logged and ignored.
420 public void onFailure(Throwable throwable) {
421 log.error("{} onFailure: Job for vpnInstance: {} failed with exception:", LOGGING_PREFIX_ADD, vpnName,
423 vpnInterfaceManager.vpnInstanceFailed(vpnName);
428 protected VpnInstanceOpDataEntry getVpnInstanceOpData(String rd) {
429 InstanceIdentifier<VpnInstanceOpDataEntry> id = VpnUtil.getVpnInstanceOpDataIdentifier(rd);
431 return SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL,
433 } catch (ReadFailedException e) {
434 throw new RuntimeException("Error reading VPN instance data for " + rd, e);
438 @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
439 justification = "https://github.com/spotbugs/spotbugs/issues/811")
440 private List<String> getDcGatewayTunnelInterfaceNameList() {
441 List<String> tunnelInterfaceNameList = new ArrayList<>();
443 InstanceIdentifier<DcGatewayIpList> dcGatewayIpListInstanceIdentifier = InstanceIdentifier
444 .create(DcGatewayIpList.class);
445 Optional<DcGatewayIpList> dcGatewayIpListOptional = SingleTransactionDataBroker.syncReadOptional(
446 dataBroker, LogicalDatastoreType.CONFIGURATION, dcGatewayIpListInstanceIdentifier);
447 if (!dcGatewayIpListOptional.isPresent()) {
448 LOG.info("No DC gateways configured.");
449 return tunnelInterfaceNameList;
451 List<DcGatewayIp> dcGatewayIps = dcGatewayIpListOptional.get().nonnullDcGatewayIp();
452 InstanceIdentifier<ExternalTunnelList> externalTunnelListId = InstanceIdentifier
453 .create(ExternalTunnelList.class);
454 Optional<ExternalTunnelList> externalTunnelListOptional = SingleTransactionDataBroker.syncReadOptional(
455 dataBroker, LogicalDatastoreType.OPERATIONAL, externalTunnelListId);
456 if (externalTunnelListOptional.isPresent()) {
457 List<ExternalTunnel> externalTunnels = externalTunnelListOptional.get().nonnullExternalTunnel();
458 List<String> externalTunnelIpList = new ArrayList<>();
459 for (ExternalTunnel externalTunnel: externalTunnels) {
460 externalTunnelIpList.add(externalTunnel.getDestinationDevice());
462 List<String> dcGatewayIpList = new ArrayList<>();
463 for (DcGatewayIp dcGatewayIp: dcGatewayIps) {
464 dcGatewayIpList.add(dcGatewayIp.getIpAddress().getIpv4Address().toString());
466 // Find all externalTunnelIps present in dcGateWayIpList
467 List<String> externalTunnelIpsInDcGatewayIpList = new ArrayList<>();
468 for (String externalTunnelIp: externalTunnelIpList) {
469 for (String dcGateWayIp: dcGatewayIpList) {
470 if (externalTunnelIp.contentEquals(dcGateWayIp)) {
471 externalTunnelIpsInDcGatewayIpList.add(externalTunnelIp);
475 for (String externalTunnelIpsInDcGatewayIp: externalTunnelIpsInDcGatewayIpList) {
476 for (ExternalTunnel externalTunnel: externalTunnels) {
477 if (externalTunnel.getDestinationDevice().contentEquals(externalTunnelIpsInDcGatewayIp)) {
478 tunnelInterfaceNameList.add(externalTunnel.getTunnelInterfaceName());
484 } catch (ReadFailedException e) {
485 LOG.error("getDcGatewayTunnelInterfaceNameList: Failed to read data store");
487 return tunnelInterfaceNameList;
490 @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
491 justification = "https://github.com/spotbugs/spotbugs/issues/811")
492 private String getFibFlowRef(Uint64 dpnId, short tableId, String vpnName, int priority) {
493 return VpnConstants.FLOWID_PREFIX + dpnId + NwConstants.FLOWID_SEPARATOR + tableId
494 + NwConstants.FLOWID_SEPARATOR + vpnName + NwConstants.FLOWID_SEPARATOR + priority;