renderer/src/main/java/org/opendaylight/transportpce/renderer/provisiondevice/DeviceRendererServiceImpl.java

   1 /*
   2  * Copyright © 2017 AT&T and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.transportpce.renderer.provisiondevice;
   9
  10 import com.google.common.collect.Sets;
  11 import com.google.common.util.concurrent.FluentFuture;
  12 import java.util.ArrayList;
  13 import java.util.LinkedList;
  14 import java.util.List;
  15 import java.util.Optional;
  16 import java.util.Set;
  17 import java.util.concurrent.ConcurrentLinkedQueue;
  18 import java.util.concurrent.CopyOnWriteArrayList;
  19 import java.util.concurrent.ExecutionException;
  20 import java.util.concurrent.ForkJoinPool;
  21 import java.util.concurrent.ForkJoinTask;
  22 import java.util.concurrent.Future;
  23 import java.util.concurrent.TimeUnit;
  24 import java.util.concurrent.TimeoutException;
  25 import java.util.concurrent.atomic.AtomicBoolean;
  26 import org.eclipse.jdt.annotation.NonNull;
  27 import org.opendaylight.mdsal.binding.api.DataBroker;
  28 import org.opendaylight.mdsal.binding.api.ReadTransaction;
  29 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  30 import org.opendaylight.mdsal.common.api.CommitInfo;
  31 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  32 import org.opendaylight.transportpce.common.StringConstants;
  33 import org.opendaylight.transportpce.common.Timeouts;
  34 import org.opendaylight.transportpce.common.crossconnect.CrossConnect;
  35 import org.opendaylight.transportpce.common.device.DeviceTransactionManager;
  36 import org.opendaylight.transportpce.common.mapping.PortMapping;
  37 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaceException;
  38 import org.opendaylight.transportpce.common.openroadminterfaces.OpenRoadmInterfaces;
  39 import org.opendaylight.transportpce.networkmodel.service.NetworkModelService;
  40 import org.opendaylight.transportpce.renderer.openroadminterface.OpenRoadmInterfaceFactory;
  41 import org.opendaylight.transportpce.renderer.provisiondevice.servicepath.ServiceListTopology;
  42 import org.opendaylight.transportpce.renderer.provisiondevice.servicepath.ServicePathDirection;
  43 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.ServiceNodelist;
  44 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.service.nodelist.NodelistBuilder;
  45 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.service.nodelist.NodelistKey;
  46 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.portmapping.rev200429.network.nodes.Mapping;
  47 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.CreateOtsOmsInput;
  48 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.CreateOtsOmsOutput;
  49 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.CreateOtsOmsOutputBuilder;
  50 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.RendererRollbackInput;
  51 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.RendererRollbackOutput;
  52 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.RendererRollbackOutputBuilder;
  53 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.ServicePathInput;
  54 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.ServicePathOutput;
  55 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.ServicePathOutputBuilder;
  56 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.renderer.rollback.output.FailedToRollback;
  57 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.renderer.rollback.output.FailedToRollbackBuilder;
  58 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.device.rev200128.renderer.rollback.output.FailedToRollbackKey;
  59 import org.opendaylight.yang.gen.v1.http.org.openroadm.common.service.types.rev190531.service.Topology;
  60 import org.opendaylight.yang.gen.v1.http.org.openroadm.optical.channel.interfaces.rev161014.OchAttributes.ModulationFormat;
  61 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.ServiceList;
  62 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.service.list.Services;
  63 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.service.list.ServicesBuilder;
  64 import org.opendaylight.yang.gen.v1.http.org.openroadm.service.rev190531.service.list.ServicesKey;
  65 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev200128.node.interfaces.NodeInterface;
  66 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev200128.node.interfaces.NodeInterfaceBuilder;
  67 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev200128.node.interfaces.NodeInterfaceKey;
  68 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev200128.olm.renderer.input.Nodes;
  69 import org.opendaylight.yang.gen.v1.http.transportpce.topology.rev200129.OtnLinkType;
  70 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  71 import org.slf4j.Logger;
  72 import org.slf4j.LoggerFactory;
  73
  74
  75 public class DeviceRendererServiceImpl implements DeviceRendererService {
  76     private static final String ODU4 = "-ODU4";
  77     private static final Logger LOG = LoggerFactory.getLogger(DeviceRendererServiceImpl.class);
  78     private final DataBroker dataBroker;
  79     private final DeviceTransactionManager deviceTransactionManager;
  80     private final OpenRoadmInterfaceFactory openRoadmInterfaceFactory;
  81     private final OpenRoadmInterfaces openRoadmInterfaces;
  82     private final CrossConnect crossConnect;
  83     private final PortMapping portMapping;
  84     private final NetworkModelService networkModelService;
  85
  86     public DeviceRendererServiceImpl(DataBroker dataBroker, DeviceTransactionManager deviceTransactionManager,
  87             OpenRoadmInterfaceFactory openRoadmInterfaceFactory, OpenRoadmInterfaces openRoadmInterfaces,
  88             CrossConnect crossConnect, PortMapping portMapping, NetworkModelService networkModelService) {
  89         this.dataBroker = dataBroker;
  90         this.deviceTransactionManager = deviceTransactionManager;
  91         this.openRoadmInterfaceFactory = openRoadmInterfaceFactory;
  92         this.openRoadmInterfaces = openRoadmInterfaces;
  93         this.crossConnect = crossConnect;
  94         this.portMapping = portMapping;
  95         this.networkModelService = networkModelService;
  96     }
  97
  98     @Override
  99     public ServicePathOutput setupServicePath(ServicePathInput input, ServicePathDirection direction) {
 100         List<Nodes> nodes = input.getNodes();
 101         // Register node for suppressing alarms
 102         if (!alarmSuppressionNodeRegistration(input)) {
 103             LOG.warn("Alarm suppresion node registration failed!!!!");
 104         }
 105         ConcurrentLinkedQueue<String> results = new ConcurrentLinkedQueue<>();
 106         Set<NodeInterface> nodeInterfaces = Sets.newConcurrentHashSet();
 107         Set<String> nodesProvisioned = Sets.newConcurrentHashSet();
 108         CopyOnWriteArrayList<Nodes> otnNodesProvisioned = new CopyOnWriteArrayList<>();
 109         ServiceListTopology topology = new ServiceListTopology();
 110         AtomicBoolean success = new AtomicBoolean(true);
 111         ForkJoinPool forkJoinPool = new ForkJoinPool();
 112         ForkJoinTask forkJoinTask = forkJoinPool.submit(() -> nodes.parallelStream().forEach(node -> {
 113             String nodeId = node.getNodeId();
 114             LOG.info("Starting provisioning for node : {}", nodeId);
 115             List<String> createdEthInterfaces = new ArrayList<>();
 116             List<String> createdOtuInterfaces = new ArrayList<>();
 117             List<String> createdOduInterfaces = new ArrayList<>();
 118             List<String> createdOchInterfaces = new ArrayList<>();
 119             List<String> createdConnections = new ArrayList<>();
 120             int crossConnectFlag = 0;
 121             try {
 122                 // if the node is currently mounted then proceed
 123                 if (this.deviceTransactionManager.isDeviceMounted(nodeId)) {
 124                     String srcTp = node.getSrcTp();
 125                     String destTp = node.getDestTp();
 126                     Long waveNumber = input.getWaveNumber().toJava();
 127                     if ((destTp != null) && destTp.contains(StringConstants.NETWORK_TOKEN)) {
 128                         crossConnectFlag++;
 129                         String supportingOchInterface = this.openRoadmInterfaceFactory.createOpenRoadmOchInterface(
 130                                 nodeId, destTp, waveNumber, ModulationFormat.DpQpsk);
 131                         createdOchInterfaces.add(supportingOchInterface);
 132                         String supportingOtuInterface = this.openRoadmInterfaceFactory
 133                                 .createOpenRoadmOtu4Interface(nodeId, destTp, supportingOchInterface);
 134                         createdOtuInterfaces.add(supportingOtuInterface);
 135                         if (srcTp == null) {
 136                             otnNodesProvisioned.add(node);
 137                         } else {
 138                             createdOduInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOdu4Interface(nodeId,
 139                                     destTp, supportingOtuInterface));
 140                         }
 141                     }
 142                     if ((srcTp != null) && srcTp.contains(StringConstants.CLIENT_TOKEN)) {
 143                         crossConnectFlag++;
 144                         // create OpenRoadm Xponder Client Interfaces
 145                         createdEthInterfaces.add(
 146                             this.openRoadmInterfaceFactory.createOpenRoadmEthInterface(nodeId, srcTp));
 147                     }
 148                     if ((srcTp != null) && srcTp.contains(StringConstants.NETWORK_TOKEN)) {
 149                         crossConnectFlag++;
 150                         // create OpenRoadm Xponder Line Interfaces
 151                         String supportingOchInterface = this.openRoadmInterfaceFactory.createOpenRoadmOchInterface(
 152                                 nodeId, srcTp, waveNumber, ModulationFormat.DpQpsk);
 153                         createdOchInterfaces.add(supportingOchInterface);
 154                         String supportingOtuInterface = this.openRoadmInterfaceFactory
 155                                 .createOpenRoadmOtu4Interface(nodeId, srcTp, supportingOchInterface);
 156                         createdOtuInterfaces.add(supportingOtuInterface);
 157                         createdOduInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOdu4Interface(nodeId,
 158                                 srcTp, supportingOtuInterface));
 159                         Mapping mapping = this.portMapping.getMapping(nodeId,srcTp);
 160                         if (mapping != null && mapping.getXponderType() != null
 161                             && (mapping.getXponderType().getIntValue() == 3
 162                             || mapping.getXponderType().getIntValue() == 2)) {
 163                             createdOduInterfaces.add(this.openRoadmInterfaceFactory
 164                                 .createOpenRoadmOtnOdu4Interface(nodeId, destTp, supportingOtuInterface));
 165                         } else {
 166                             createdOduInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOdu4Interface(nodeId,
 167                                     destTp, supportingOtuInterface));
 168                         }
 169                     }
 170                     if ((destTp != null) && destTp.contains(StringConstants.CLIENT_TOKEN)) {
 171                         crossConnectFlag++;
 172                         // create OpenRoadm Xponder Client Interfaces
 173                         createdEthInterfaces.add(
 174                             this.openRoadmInterfaceFactory.createOpenRoadmEthInterface(nodeId, destTp));
 175                     }
 176                     if ((srcTp != null) && (srcTp.contains(StringConstants.TTP_TOKEN)
 177                             || srcTp.contains(StringConstants.PP_TOKEN))) {
 178                         createdOchInterfaces.addAll(
 179                             this.openRoadmInterfaceFactory
 180                                 .createOpenRoadmOchInterface(nodeId, srcTp, waveNumber));
 181                     }
 182                     if ((destTp != null) && (destTp.contains(StringConstants.TTP_TOKEN)
 183                             || destTp.contains(StringConstants.PP_TOKEN))) {
 184                         createdOchInterfaces.addAll(
 185                             this.openRoadmInterfaceFactory
 186                                 .createOpenRoadmOchInterface(nodeId, destTp, waveNumber));
 187                     }
 188                     if (crossConnectFlag < 1) {
 189                         LOG.info("Creating cross connect between source {} and destination {} for node {}", srcTp,
 190                                 destTp, nodeId);
 191                         Optional<String> connectionNameOpt =
 192                                 this.crossConnect.postCrossConnect(nodeId, waveNumber, srcTp, destTp);
 193                         if (connectionNameOpt.isPresent()) {
 194                             nodesProvisioned.add(nodeId);
 195                             createdConnections.add(connectionNameOpt.get());
 196                         } else {
 197                             processErrorMessage("Unable to post Roadm-connection for node " + nodeId, forkJoinPool,
 198                                     results);
 199                             success.set(false);
 200                         }
 201                     }
 202                 } else {
 203                     processErrorMessage(nodeId + " is not mounted on the controller", forkJoinPool, results);
 204                     success.set(false);
 205                 }
 206             } catch (OpenRoadmInterfaceException ex) {
 207                 processErrorMessage("Setup service path failed! Exception:" + ex.toString(), forkJoinPool, results);
 208                 success.set(false);
 209             }
 210             NodeInterfaceBuilder nodeInterfaceBuilder = new NodeInterfaceBuilder()
 211                 .withKey(new NodeInterfaceKey(nodeId))
 212                 .setNodeId(nodeId)
 213                 .setConnectionId(createdConnections)
 214                 .setEthInterfaceId(createdEthInterfaces)
 215                 .setOtuInterfaceId(createdOtuInterfaces)
 216                 .setOduInterfaceId(createdOduInterfaces)
 217                 .setOchInterfaceId(createdOchInterfaces);
 218             nodeInterfaces.add(nodeInterfaceBuilder.build());
 219         }));
 220         try {
 221             forkJoinTask.get();
 222         } catch (InterruptedException | ExecutionException e) {
 223             LOG.error("Error while setting up service paths!", e);
 224         }
 225         forkJoinPool.shutdown();
 226
 227         if (success.get()) {
 228             results.add("Roadm-connection successfully created for nodes: " + String.join(", ", nodesProvisioned));
 229         }
 230         // setting topology in the service list data store
 231         try {
 232             setTopologyForService(input.getServiceName(), topology.getTopology());
 233             updateOtnTopology(otnNodesProvisioned, false);
 234         } catch (InterruptedException | TimeoutException | ExecutionException e) {
 235             LOG.warn("Failed to write topologies for service {}.", input.getServiceName(), e);
 236         }
 237         if (!alarmSuppressionNodeRemoval(input.getServiceName())) {
 238             LOG.error("Alarm suppresion node removal failed!!!!");
 239         }
 240         ServicePathOutputBuilder setServBldr = new ServicePathOutputBuilder()
 241             .setNodeInterface(new ArrayList<>(nodeInterfaces))
 242             .setSuccess(success.get())
 243             .setResult(String.join("\n", results));
 244         return setServBldr.build();
 245     }
 246
 247     private ConcurrentLinkedQueue<String> processErrorMessage(String message, ForkJoinPool forkJoinPool,
 248             ConcurrentLinkedQueue<String> messages) {
 249         LOG.warn("Received error message {}", message);
 250         messages.add(message);
 251         forkJoinPool.shutdown();
 252         return messages;
 253     }
 254
 255     @Override
 256     public ServicePathOutput deleteServicePath(ServicePathInput input) {
 257         List<Nodes> nodes = input.getNodes();
 258         AtomicBoolean success = new AtomicBoolean(true);
 259         ConcurrentLinkedQueue<String> results = new ConcurrentLinkedQueue<>();
 260         if (!alarmSuppressionNodeRegistration(input)) {
 261             LOG.warn("Alarm suppresion node registraion failed!!!!");
 262         }
 263         CopyOnWriteArrayList<Nodes> otnNodesProvisioned = new CopyOnWriteArrayList<>();
 264         ForkJoinPool forkJoinPool = new ForkJoinPool();
 265         ForkJoinTask forkJoinTask = forkJoinPool.submit(() -> nodes.parallelStream().forEach(node -> {
 266             List<String> interfacesToDelete = new LinkedList<>();
 267             String nodeId = node.getNodeId();
 268             LOG.info("Deleting service setup on node {}", nodeId);
 269             String srcTp;
 270             String destTp;
 271             Long waveNumber = input.getWaveNumber().toJava();
 272             if (node.getDestTp() == null) {
 273                 LOG.error("Destination termination point must not be null.");
 274                 return;
 275             } else {
 276                 destTp = node.getDestTp();
 277             }
 278             if (node.getSrcTp() != null) {
 279                 srcTp = node.getSrcTp();
 280             } else {
 281                 srcTp = "";
 282                 otnNodesProvisioned.add(node);
 283             }
 284             // if the node is currently mounted then proceed.
 285             if (this.deviceTransactionManager.isDeviceMounted(nodeId)) {
 286                 interfacesToDelete.addAll(getInterfaces2delete(nodeId, srcTp, destTp, waveNumber));
 287             } else {
 288                 String result = nodeId + " is not mounted on the controller";
 289                 results.add(result);
 290                 success.set(false);
 291                 LOG.warn(result);
 292                 forkJoinPool.shutdown();
 293                 return;
 294                 //TODO should deletion end here?
 295             }
 296             for (String interfaceId : interfacesToDelete) {
 297                 try {
 298                     this.openRoadmInterfaces.deleteInterface(nodeId, interfaceId);
 299                 } catch (OpenRoadmInterfaceException e) {
 300                     String result = String.format("Failed to delete interface %s on node %s!", interfaceId, nodeId);
 301                     success.set(false);
 302                     LOG.error(result, e);
 303                     results.add(result);
 304                 }
 305             }
 306         }));
 307         try {
 308             forkJoinTask.get();
 309         } catch (InterruptedException | ExecutionException e) {
 310             LOG.error("Error while deleting service paths!", e);
 311         }
 312         forkJoinPool.shutdown();
 313         updateOtnTopology(otnNodesProvisioned, true);
 314         if (!alarmSuppressionNodeRemoval(input.getServiceName())) {
 315             LOG.error("Alarm suppresion node removal failed!!!!");
 316         }
 317         ServicePathOutputBuilder delServBldr = new ServicePathOutputBuilder();
 318         delServBldr.setSuccess(success.get());
 319         if (results.isEmpty()) {
 320             return delServBldr.setResult("Request processed").build();
 321         } else {
 322             return delServBldr.setResult(String.join("\n", results)).build();
 323         }
 324     }
 325
 326     private List<String>  getInterfaces2delete(
 327             String nodeId, String srcTp, String destTp, Long waveNumber) {
 328         List<String> interfacesToDelete = new LinkedList<>();
 329         if (destTp.contains(StringConstants.NETWORK_TOKEN)
 330                 || srcTp.contains(StringConstants.CLIENT_TOKEN)
 331                 || srcTp.contains(StringConstants.NETWORK_TOKEN)
 332                 || destTp.contains(StringConstants.CLIENT_TOKEN)) {
 333             if (destTp.contains(StringConstants.NETWORK_TOKEN)) {
 334                 try {
 335                     if (this.openRoadmInterfaces.getInterface(nodeId, destTp + "-ODU").isPresent()) {
 336                         interfacesToDelete.add(destTp + "-ODU");
 337                     }
 338                     if (this.openRoadmInterfaces.getInterface(nodeId, destTp + ODU4).isPresent()) {
 339                         interfacesToDelete.add(destTp + ODU4);
 340                     }
 341                 }
 342                 catch (OpenRoadmInterfaceException e) {
 343                     LOG.error("impossible to get interface {} or {}", destTp + "-ODU", destTp + ODU4, e);
 344                 }
 345                 interfacesToDelete.add(destTp + "-OTU");
 346                 interfacesToDelete.add(
 347                         this.openRoadmInterfaceFactory.createOpenRoadmOchInterfaceName(destTp, waveNumber));
 348             }
 349             if (srcTp.contains(StringConstants.NETWORK_TOKEN)) {
 350                 interfacesToDelete.add(srcTp + "-ODU");
 351                 interfacesToDelete.add(srcTp + "-OTU");
 352                 interfacesToDelete
 353                         .add(this.openRoadmInterfaceFactory.createOpenRoadmOchInterfaceName(srcTp, waveNumber));
 354             }
 355             if (srcTp.contains(StringConstants.CLIENT_TOKEN)) {
 356                 interfacesToDelete.add(srcTp + "-ETHERNET");
 357             }
 358             if (destTp.contains(StringConstants.CLIENT_TOKEN)) {
 359                 interfacesToDelete.add(destTp + "-ETHERNET");
 360             }
 361         } else {
 362             String connectionNumber = srcTp + "-" + destTp + "-" + waveNumber;
 363             List<String> intToDelete = this.crossConnect.deleteCrossConnect(nodeId, connectionNumber, false);
 364             connectionNumber = destTp + "-" + srcTp + "-" + waveNumber;
 365             if (intToDelete != null) {
 366                 for (String interf : intToDelete) {
 367                     if (!this.openRoadmInterfaceFactory.isUsedByXc(nodeId, interf, connectionNumber,
 368                         this.deviceTransactionManager)) {
 369                         interfacesToDelete.add(interf);
 370                     }
 371                 }
 372             }
 373         }
 374         return interfacesToDelete;
 375     }
 376
 377     @Override
 378     public RendererRollbackOutput rendererRollback(RendererRollbackInput input) {
 379         boolean success = true;
 380         List<FailedToRollback> failedToRollbackList = new ArrayList<>();
 381         for (NodeInterface nodeInterfaces : input.getNodeInterface()) {
 382             List<String> failedInterfaces = new ArrayList<>();
 383             String nodeId = nodeInterfaces.getNodeId();
 384             for (String connectionId : nodeInterfaces.getConnectionId()) {
 385                 List<String> listInter = this.crossConnect.deleteCrossConnect(nodeId, connectionId, false);
 386                 if (listInter != null) {
 387                     LOG.info("Cross connect {} on node {} successfully deleted.", connectionId, nodeId);
 388                 } else {
 389                     LOG.error("Failed to delete cross connect {} on node {}!", connectionId, nodeId);
 390                     success = false;
 391                     failedInterfaces.add(connectionId);
 392                 }
 393             }
 394             // Interfaces needs to be in specific order to delete. Order is:
 395             // 1. ODU interfaces
 396             // 2. OTU interfaces
 397             // 3. OCH interfaces
 398             // 4. ETH interfaces
 399             LinkedList<String> interfacesToDelete = new LinkedList<>();
 400             if (nodeInterfaces.getOduInterfaceId() != null) {
 401                 interfacesToDelete.addAll(nodeInterfaces.getOduInterfaceId());
 402             }
 403             if (nodeInterfaces.getOtuInterfaceId() != null) {
 404                 interfacesToDelete.addAll(nodeInterfaces.getOtuInterfaceId());
 405             }
 406             if (nodeInterfaces.getOchInterfaceId() != null) {
 407                 interfacesToDelete.addAll(nodeInterfaces.getOchInterfaceId());
 408             }
 409             if (nodeInterfaces.getEthInterfaceId() != null) {
 410                 interfacesToDelete.addAll(nodeInterfaces.getEthInterfaceId());
 411             }
 412             LOG.info("Going to execute rollback on node {}. Interfaces to rollback: {}", nodeId,
 413                     String.join(", ", interfacesToDelete));
 414             for (String interfaceId : interfacesToDelete) {
 415                 try {
 416                     this.openRoadmInterfaces.deleteInterface(nodeId, interfaceId);
 417                     LOG.info("Interface {} on node {} successfully deleted.", interfaceId, nodeId);
 418                 } catch (OpenRoadmInterfaceException e) {
 419                     LOG.error("Failed to delete interface {} on node {}!", interfaceId, nodeId);
 420                     success = false;
 421                     failedInterfaces.add(interfaceId);
 422                 }
 423             }
 424             failedToRollbackList.add(new FailedToRollbackBuilder().withKey(new FailedToRollbackKey(nodeId))
 425                     .setNodeId(nodeId).setInterface(failedInterfaces).build());
 426         }
 427         return new RendererRollbackOutputBuilder().setSuccess(success).setFailedToRollback(failedToRollbackList)
 428                 .build();
 429     }
 430
 431     private boolean alarmSuppressionNodeRegistration(ServicePathInput input) {
 432         NodelistBuilder nodeListBuilder = new NodelistBuilder()
 433             .withKey(new NodelistKey(input.getServiceName()))
 434             .setServiceName(input.getServiceName());
 435         List<org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.service
 436             .nodelist.nodelist.Nodes> nodeList =
 437                 new ArrayList<>();
 438         for (Nodes node : input.getNodes()) {
 439             nodeList.add(
 440                     new org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102
 441                     .service.nodelist.nodelist.NodesBuilder()
 442                             .setNodeId(node.getNodeId()).build());
 443         }
 444         nodeListBuilder.setNodes(nodeList);
 445         InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102
 446             .service.nodelist.Nodelist> nodeListIID =
 447                         InstanceIdentifier.create(ServiceNodelist.class).child(
 448                                 org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression
 449                                     .rev171102.service.nodelist.Nodelist.class,
 450                                 new NodelistKey(input.getServiceName()));
 451         final WriteTransaction writeTransaction = this.dataBroker.newWriteOnlyTransaction();
 452         writeTransaction.merge(LogicalDatastoreType.CONFIGURATION, nodeListIID, nodeListBuilder.build());
 453         FluentFuture<? extends @NonNull CommitInfo> commit = writeTransaction.commit();
 454         try {
 455             commit.get(Timeouts.DATASTORE_WRITE, TimeUnit.MILLISECONDS);
 456             LOG.info("Nodes are register for alarm suppression for service: {}", input.getServiceName());
 457             return true;
 458         } catch (ExecutionException | InterruptedException | TimeoutException e) {
 459             LOG.warn("Failed to alarm suppresslist for service: {}", input.getServiceName(), e);
 460             return false;
 461         }
 462     }
 463
 464     private boolean alarmSuppressionNodeRemoval(String serviceName) {
 465         InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102
 466             .service.nodelist.Nodelist> nodeListIID =
 467                         InstanceIdentifier.create(ServiceNodelist.class).child(
 468                                 org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression
 469                                     .rev171102.service.nodelist.Nodelist.class,
 470                                 new NodelistKey(serviceName));
 471         final WriteTransaction writeTransaction = this.dataBroker.newWriteOnlyTransaction();
 472         writeTransaction.delete(LogicalDatastoreType.CONFIGURATION, nodeListIID);
 473         FluentFuture<? extends @NonNull CommitInfo> commit = writeTransaction.commit();
 474         try {
 475             commit.get(Timeouts.DATASTORE_DELETE, TimeUnit.MILLISECONDS);
 476             LOG.info("Nodes are unregister for alarm suppression for service: {}", serviceName);
 477             return true;
 478         } catch (InterruptedException | TimeoutException | ExecutionException e) {
 479             LOG.warn("Failed to alarm suppresslist for service: {}", serviceName, e);
 480             return false;
 481         }
 482     }
 483
 484     private void setTopologyForService(String name, Topology topo)
 485             throws InterruptedException, ExecutionException, TimeoutException {
 486         ServicesBuilder servicesBuilder;
 487         // Get the service from the service list inventory
 488         ServicesKey serviceKey = new ServicesKey(name);
 489         InstanceIdentifier<Services> iid =
 490                 InstanceIdentifier.create(ServiceList.class).child(Services.class, serviceKey);
 491         Optional<Services> services;
 492         try (ReadTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
 493             Future<java.util.Optional<Services>> future =
 494                     readTx.read(LogicalDatastoreType.OPERATIONAL, iid);
 495             services = future.get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS);
 496         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 497             throw e;
 498         }
 499         if (services.isPresent()) {
 500             LOG.info("service {} already exists", name);
 501             servicesBuilder = new ServicesBuilder(services.get()).setTopology(topo);
 502             WriteTransaction writeTx = this.dataBroker.newWriteOnlyTransaction();
 503             writeTx.merge(LogicalDatastoreType.OPERATIONAL, iid, servicesBuilder.build());
 504             writeTx.commit().get(Timeouts.DATASTORE_WRITE, TimeUnit.MILLISECONDS);
 505         } else {
 506             LOG.warn("Service {} does not exist - topology can not be updated", name);
 507         }
 508     }
 509
 510     @Override
 511     public CreateOtsOmsOutput createOtsOms(CreateOtsOmsInput input) throws OpenRoadmInterfaceException {
 512         CreateOtsOmsOutputBuilder output = new CreateOtsOmsOutputBuilder();
 513         String result = "";
 514         Boolean success = false;
 515         // if the node is currently mounted then proceed.
 516         if (this.deviceTransactionManager.isDeviceMounted(input.getNodeId())) {
 517             Mapping oldMapping = null;
 518             Mapping newMapping = null;
 519             oldMapping = this.portMapping.getMapping(input.getNodeId(), input.getLogicalConnectionPoint());
 520             if (oldMapping != null) {
 521                 String otsInterface =
 522                         this.openRoadmInterfaceFactory.createOpenRoadmOtsInterface(input.getNodeId(), oldMapping);
 523                 newMapping = this.portMapping.getMapping(input.getNodeId(), input.getLogicalConnectionPoint());
 524                 int count = 0;
 525                 Boolean isSupportingOtsPresent = isSupportingOtsPresent(newMapping);
 526                 while (!isSupportingOtsPresent && (count < 6)) {
 527                     LOG.info("waiting for post interface operation on node '{}'...", input.getNodeId());
 528                     try {
 529                         Thread.sleep(10000);
 530                         this.portMapping.updateMapping(input.getNodeId(), oldMapping);
 531                     } catch (InterruptedException e) {
 532                         LOG.error("Failed to wait for post interface operation ");
 533                     }
 534                     newMapping = this.portMapping.getMapping(input.getNodeId(), input.getLogicalConnectionPoint());
 535                     isSupportingOtsPresent = isSupportingOtsPresent(newMapping);
 536                     count++;
 537                 }
 538                 if (count < 6) {
 539                     String omsInterface =
 540                             this.openRoadmInterfaceFactory.createOpenRoadmOmsInterface(input.getNodeId(), newMapping);
 541                     if (omsInterface != null) {
 542                         result = "Interfaces " + otsInterface + " - " + omsInterface + " successfully created on node "
 543                                 + input.getNodeId();
 544                         success = true;
 545                     } else {
 546                         LOG.error("Fail to create OpenRoadmOms Interface for node '{}'", input.getNodeId());
 547                         result = "Fail to create OpenRoadmOms Interface for node : " + input.getNodeId();
 548                     }
 549                 } else {
 550                     LOG.error("Unable to get ots interface from mapping {} for node {}",
 551                             oldMapping.getLogicalConnectionPoint(), input.getNodeId());
 552                     result = String.format("Unable to get ots interface from mapping %s - %s",
 553                             oldMapping.getLogicalConnectionPoint(), input.getNodeId());
 554                 }
 555             } else {
 556                 result = "Logical Connection point " + input.getLogicalConnectionPoint() + " does not exist for "
 557                         + input.getNodeId();
 558             }
 559         } else {
 560             result = input.getNodeId() + " is not mounted on the controller";
 561             LOG.warn("{} is not mounted on the controller",input.getNodeId());
 562         }
 563         return output.setResult(result).setSuccess(success).build();
 564     }
 565
 566     private Boolean isSupportingOtsPresent(Mapping mapping) {
 567         Boolean result = false;
 568         if (mapping != null) {
 569             if (mapping.getSupportingOts() != null) {
 570                 LOG.info("SupportingOts info is present in mapping {}", mapping);
 571                 result = true;
 572             } else {
 573                 LOG.warn("SupportingOts info not present in mapping {}", mapping);
 574             }
 575         }
 576         return result;
 577     }
 578
 579     private void updateOtnTopology(CopyOnWriteArrayList<Nodes> nodes, boolean isDeletion) {
 580         if (nodes.size() != 2) {
 581             LOG.error("Error with OTU4 links to update in otn-topology");
 582             return;
 583         }
 584         if (isDeletion) {
 585             LOG.info("updating otn-topology removing OTU4 links");
 586             this.networkModelService.deleteOtnLinks(nodes.get(0).getNodeId(), nodes.get(0).getDestTp(),
 587                 nodes.get(1).getNodeId(), nodes.get(1).getDestTp(), OtnLinkType.OTU4);
 588         } else {
 589             LOG.info("updating otn-topology adding OTU4 links");
 590             this.networkModelService.createOtnLinks(nodes.get(0).getNodeId(), nodes.get(0).getDestTp(),
 591                 nodes.get(1).getNodeId(), nodes.get(1).getDestTp(), OtnLinkType.OTU4);
 592         }
 593     }
 594 }