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.rev200615.node.interfaces.NodeInterface;
  66 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev200615.node.interfaces.NodeInterfaceBuilder;
  67 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev200615.node.interfaces.NodeInterfaceKey;
  68 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev200615.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         Nodes srcNode = nodes.get(0);
 102         // If the Node list size is one, then src and tgt are same;
 103         // sapi/dapi all have the same value
 104         Nodes tgtNode = nodes.get(nodes.size() - 1);
 105
 106
 107         // Register node for suppressing alarms
 108         if (!alarmSuppressionNodeRegistration(input)) {
 109             LOG.warn("Alarm suppresion node registration failed!!!!");
 110         }
 111         ConcurrentLinkedQueue<String> results = new ConcurrentLinkedQueue<>();
 112         Set<NodeInterface> nodeInterfaces = Sets.newConcurrentHashSet();
 113         Set<String> nodesProvisioned = Sets.newConcurrentHashSet();
 114         CopyOnWriteArrayList<Nodes> otnNodesProvisioned = new CopyOnWriteArrayList<>();
 115         ServiceListTopology topology = new ServiceListTopology();
 116         AtomicBoolean success = new AtomicBoolean(true);
 117         ForkJoinPool forkJoinPool = new ForkJoinPool();
 118         ForkJoinTask forkJoinTask = forkJoinPool.submit(() -> nodes.parallelStream().forEach(node -> {
 119             String nodeId = node.getNodeId();
 120             LOG.info("Starting provisioning for node : {}", nodeId);
 121             List<String> createdEthInterfaces = new ArrayList<>();
 122             List<String> createdOtuInterfaces = new ArrayList<>();
 123             List<String> createdOduInterfaces = new ArrayList<>();
 124             List<String> createdOchInterfaces = new ArrayList<>();
 125             List<String> createdConnections = new ArrayList<>();
 126             int crossConnectFlag = 0;
 127             try {
 128                 // if the node is currently mounted then proceed
 129                 if (this.deviceTransactionManager.isDeviceMounted(nodeId)) {
 130                     String srcTp = node.getSrcTp();
 131                     String destTp = node.getDestTp();
 132                     Long waveNumber = input.getWaveNumber().toJava();
 133                     if ((destTp != null) && destTp.contains(StringConstants.NETWORK_TOKEN)) {
 134                         crossConnectFlag++;
 135                         String supportingOchInterface = this.openRoadmInterfaceFactory.createOpenRoadmOchInterface(
 136                                 nodeId, destTp, waveNumber, ModulationFormat.DpQpsk);
 137                         createdOchInterfaces.add(supportingOchInterface);
 138                         // Here we pass logical connection-point of z-end to set SAPI and DAPI
 139                         String znodeId = tgtNode.getNodeId();
 140                         String zlogicalConnection = tgtNode.getDestTp();
 141                         if (nodeId.equals(tgtNode.getNodeId())) {
 142                             znodeId = srcNode.getNodeId(); // if it is final node, then set zSide as source side
 143                             zlogicalConnection = srcNode.getDestTp();
 144                         }
 145                         String supportingOtuInterface = this.openRoadmInterfaceFactory
 146                                 .createOpenRoadmOtu4Interface(nodeId, destTp, supportingOchInterface,
 147                                     znodeId, zlogicalConnection);
 148                         createdOtuInterfaces.add(supportingOtuInterface);
 149                         if (srcTp == null) {
 150                             otnNodesProvisioned.add(node);
 151                         } else {
 152                             createdOduInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOdu4Interface(nodeId,
 153                                     destTp, supportingOtuInterface));
 154                         }
 155                     }
 156                     if ((srcTp != null) && srcTp.contains(StringConstants.CLIENT_TOKEN)) {
 157                         crossConnectFlag++;
 158                         // create OpenRoadm Xponder Client Interfaces
 159                         createdEthInterfaces.add(
 160                             this.openRoadmInterfaceFactory.createOpenRoadmEthInterface(nodeId, srcTp));
 161                     }
 162                     if ((srcTp != null) && srcTp.contains(StringConstants.NETWORK_TOKEN)) {
 163                         crossConnectFlag++;
 164                         // create OpenRoadm Xponder Line Interfaces
 165                         String supportingOchInterface = this.openRoadmInterfaceFactory.createOpenRoadmOchInterface(
 166                                 nodeId, srcTp, waveNumber, ModulationFormat.DpQpsk);
 167                         createdOchInterfaces.add(supportingOchInterface);
 168                         String supportingOtuInterface = this.openRoadmInterfaceFactory
 169                                 .createOpenRoadmOtu4Interface(nodeId, srcTp, supportingOchInterface);
 170                         createdOtuInterfaces.add(supportingOtuInterface);
 171                         createdOduInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOdu4Interface(nodeId,
 172                                 srcTp, supportingOtuInterface));
 173                         Mapping mapping = this.portMapping.getMapping(nodeId,srcTp);
 174                         if (mapping != null && mapping.getXponderType() != null
 175                             && (mapping.getXponderType().getIntValue() == 3
 176                             || mapping.getXponderType().getIntValue() == 2)) {
 177                             createdOduInterfaces.add(this.openRoadmInterfaceFactory
 178                                 .createOpenRoadmOtnOdu4Interface(nodeId, destTp, supportingOtuInterface));
 179                         } else {
 180                             createdOduInterfaces.add(this.openRoadmInterfaceFactory.createOpenRoadmOdu4Interface(nodeId,
 181                                     destTp, supportingOtuInterface));
 182                         }
 183                     }
 184                     if ((destTp != null) && destTp.contains(StringConstants.CLIENT_TOKEN)) {
 185                         crossConnectFlag++;
 186                         // create OpenRoadm Xponder Client Interfaces
 187                         createdEthInterfaces.add(
 188                             this.openRoadmInterfaceFactory.createOpenRoadmEthInterface(nodeId, destTp));
 189                     }
 190                     if ((srcTp != null) && (srcTp.contains(StringConstants.TTP_TOKEN)
 191                             || srcTp.contains(StringConstants.PP_TOKEN))) {
 192                         createdOchInterfaces.addAll(
 193                             this.openRoadmInterfaceFactory
 194                                 .createOpenRoadmOchInterface(nodeId, srcTp, waveNumber));
 195                     }
 196                     if ((destTp != null) && (destTp.contains(StringConstants.TTP_TOKEN)
 197                             || destTp.contains(StringConstants.PP_TOKEN))) {
 198                         createdOchInterfaces.addAll(
 199                             this.openRoadmInterfaceFactory
 200                                 .createOpenRoadmOchInterface(nodeId, destTp, waveNumber));
 201                     }
 202                     if (crossConnectFlag < 1) {
 203                         LOG.info("Creating cross connect between source {} and destination {} for node {}", srcTp,
 204                                 destTp, nodeId);
 205                         Optional<String> connectionNameOpt =
 206                                 this.crossConnect.postCrossConnect(nodeId, waveNumber, srcTp, destTp);
 207                         if (connectionNameOpt.isPresent()) {
 208                             nodesProvisioned.add(nodeId);
 209                             createdConnections.add(connectionNameOpt.get());
 210                         } else {
 211                             processErrorMessage("Unable to post Roadm-connection for node " + nodeId, forkJoinPool,
 212                                     results);
 213                             success.set(false);
 214                         }
 215                     }
 216                 } else {
 217                     processErrorMessage(nodeId + " is not mounted on the controller", forkJoinPool, results);
 218                     success.set(false);
 219                 }
 220             } catch (OpenRoadmInterfaceException ex) {
 221                 processErrorMessage("Setup service path failed! Exception:" + ex.toString(), forkJoinPool, results);
 222                 success.set(false);
 223             }
 224             NodeInterfaceBuilder nodeInterfaceBuilder = new NodeInterfaceBuilder()
 225                 .withKey(new NodeInterfaceKey(nodeId))
 226                 .setNodeId(nodeId)
 227                 .setConnectionId(createdConnections)
 228                 .setEthInterfaceId(createdEthInterfaces)
 229                 .setOtuInterfaceId(createdOtuInterfaces)
 230                 .setOduInterfaceId(createdOduInterfaces)
 231                 .setOchInterfaceId(createdOchInterfaces);
 232             nodeInterfaces.add(nodeInterfaceBuilder.build());
 233         }));
 234         try {
 235             forkJoinTask.get();
 236         } catch (InterruptedException | ExecutionException e) {
 237             LOG.error("Error while setting up service paths!", e);
 238         }
 239         forkJoinPool.shutdown();
 240
 241         if (success.get()) {
 242             results.add("Roadm-connection successfully created for nodes: " + String.join(", ", nodesProvisioned));
 243         }
 244         // setting topology in the service list data store
 245         try {
 246             setTopologyForService(input.getServiceName(), topology.getTopology());
 247             updateOtnTopology(otnNodesProvisioned, false);
 248         } catch (InterruptedException | TimeoutException | ExecutionException e) {
 249             LOG.warn("Failed to write topologies for service {}.", input.getServiceName(), e);
 250         }
 251         if (!alarmSuppressionNodeRemoval(input.getServiceName())) {
 252             LOG.error("Alarm suppresion node removal failed!!!!");
 253         }
 254         ServicePathOutputBuilder setServBldr = new ServicePathOutputBuilder()
 255             .setNodeInterface(new ArrayList<>(nodeInterfaces))
 256             .setSuccess(success.get())
 257             .setResult(String.join("\n", results));
 258         return setServBldr.build();
 259     }
 260
 261     private ConcurrentLinkedQueue<String> processErrorMessage(String message, ForkJoinPool forkJoinPool,
 262             ConcurrentLinkedQueue<String> messages) {
 263         LOG.warn("Received error message {}", message);
 264         messages.add(message);
 265         forkJoinPool.shutdown();
 266         return messages;
 267     }
 268
 269     @Override
 270     public ServicePathOutput deleteServicePath(ServicePathInput input) {
 271         List<Nodes> nodes = input.getNodes();
 272         AtomicBoolean success = new AtomicBoolean(true);
 273         ConcurrentLinkedQueue<String> results = new ConcurrentLinkedQueue<>();
 274         if (!alarmSuppressionNodeRegistration(input)) {
 275             LOG.warn("Alarm suppresion node registraion failed!!!!");
 276         }
 277         CopyOnWriteArrayList<Nodes> otnNodesProvisioned = new CopyOnWriteArrayList<>();
 278         ForkJoinPool forkJoinPool = new ForkJoinPool();
 279         ForkJoinTask forkJoinTask = forkJoinPool.submit(() -> nodes.parallelStream().forEach(node -> {
 280             List<String> interfacesToDelete = new LinkedList<>();
 281             String nodeId = node.getNodeId();
 282             LOG.info("Deleting service setup on node {}", nodeId);
 283             String srcTp;
 284             String destTp;
 285             Long waveNumber = input.getWaveNumber().toJava();
 286             if (node.getDestTp() == null) {
 287                 LOG.error("Destination termination point must not be null.");
 288                 return;
 289             } else {
 290                 destTp = node.getDestTp();
 291             }
 292             if (node.getSrcTp() != null) {
 293                 srcTp = node.getSrcTp();
 294             } else {
 295                 srcTp = "";
 296                 otnNodesProvisioned.add(node);
 297             }
 298             // if the node is currently mounted then proceed.
 299             if (this.deviceTransactionManager.isDeviceMounted(nodeId)) {
 300                 interfacesToDelete.addAll(getInterfaces2delete(nodeId, srcTp, destTp, waveNumber));
 301             } else {
 302                 String result = nodeId + " is not mounted on the controller";
 303                 results.add(result);
 304                 success.set(false);
 305                 LOG.warn(result);
 306                 forkJoinPool.shutdown();
 307                 return;
 308                 //TODO should deletion end here?
 309             }
 310             for (String interfaceId : interfacesToDelete) {
 311                 try {
 312                     this.openRoadmInterfaces.deleteInterface(nodeId, interfaceId);
 313                 } catch (OpenRoadmInterfaceException e) {
 314                     String result = String.format("Failed to delete interface %s on node %s!", interfaceId, nodeId);
 315                     success.set(false);
 316                     LOG.error(result, e);
 317                     results.add(result);
 318                 }
 319             }
 320         }));
 321         try {
 322             forkJoinTask.get();
 323         } catch (InterruptedException | ExecutionException e) {
 324             LOG.error("Error while deleting service paths!", e);
 325         }
 326         forkJoinPool.shutdown();
 327         updateOtnTopology(otnNodesProvisioned, true);
 328         if (!alarmSuppressionNodeRemoval(input.getServiceName())) {
 329             LOG.error("Alarm suppresion node removal failed!!!!");
 330         }
 331         ServicePathOutputBuilder delServBldr = new ServicePathOutputBuilder();
 332         delServBldr.setSuccess(success.get());
 333         if (results.isEmpty()) {
 334             return delServBldr.setResult("Request processed").build();
 335         } else {
 336             return delServBldr.setResult(String.join("\n", results)).build();
 337         }
 338     }
 339
 340     private List<String>  getInterfaces2delete(
 341             String nodeId, String srcTp, String destTp, Long waveNumber) {
 342         List<String> interfacesToDelete = new LinkedList<>();
 343         if (destTp.contains(StringConstants.NETWORK_TOKEN)
 344                 || srcTp.contains(StringConstants.CLIENT_TOKEN)
 345                 || srcTp.contains(StringConstants.NETWORK_TOKEN)
 346                 || destTp.contains(StringConstants.CLIENT_TOKEN)) {
 347             if (destTp.contains(StringConstants.NETWORK_TOKEN)) {
 348                 try {
 349                     if (this.openRoadmInterfaces.getInterface(nodeId, destTp + "-ODU").isPresent()) {
 350                         interfacesToDelete.add(destTp + "-ODU");
 351                     }
 352                     if (this.openRoadmInterfaces.getInterface(nodeId, destTp + ODU4).isPresent()) {
 353                         interfacesToDelete.add(destTp + ODU4);
 354                     }
 355                 }
 356                 catch (OpenRoadmInterfaceException e) {
 357                     LOG.error("impossible to get interface {} or {}", destTp + "-ODU", destTp + ODU4, e);
 358                 }
 359                 interfacesToDelete.add(destTp + "-OTU");
 360                 interfacesToDelete.add(
 361                         this.openRoadmInterfaceFactory.createOpenRoadmOchInterfaceName(destTp, waveNumber));
 362             }
 363             if (srcTp.contains(StringConstants.NETWORK_TOKEN)) {
 364                 interfacesToDelete.add(srcTp + "-ODU");
 365                 interfacesToDelete.add(srcTp + "-OTU");
 366                 interfacesToDelete
 367                         .add(this.openRoadmInterfaceFactory.createOpenRoadmOchInterfaceName(srcTp, waveNumber));
 368             }
 369             if (srcTp.contains(StringConstants.CLIENT_TOKEN)) {
 370                 interfacesToDelete.add(srcTp + "-ETHERNET");
 371             }
 372             if (destTp.contains(StringConstants.CLIENT_TOKEN)) {
 373                 interfacesToDelete.add(destTp + "-ETHERNET");
 374             }
 375         } else {
 376             String connectionNumber = srcTp + "-" + destTp + "-" + waveNumber;
 377             List<String> intToDelete = this.crossConnect.deleteCrossConnect(nodeId, connectionNumber, false);
 378             connectionNumber = destTp + "-" + srcTp + "-" + waveNumber;
 379             if (intToDelete != null) {
 380                 for (String interf : intToDelete) {
 381                     if (!this.openRoadmInterfaceFactory.isUsedByXc(nodeId, interf, connectionNumber,
 382                         this.deviceTransactionManager)) {
 383                         interfacesToDelete.add(interf);
 384                     }
 385                 }
 386             }
 387         }
 388         return interfacesToDelete;
 389     }
 390
 391     @Override
 392     public RendererRollbackOutput rendererRollback(RendererRollbackInput input) {
 393         boolean success = true;
 394         List<FailedToRollback> failedToRollbackList = new ArrayList<>();
 395         for (NodeInterface nodeInterfaces : input.getNodeInterface()) {
 396             List<String> failedInterfaces = new ArrayList<>();
 397             String nodeId = nodeInterfaces.getNodeId();
 398             for (String connectionId : nodeInterfaces.getConnectionId()) {
 399                 List<String> listInter = this.crossConnect.deleteCrossConnect(nodeId, connectionId, false);
 400                 if (listInter != null) {
 401                     LOG.info("Cross connect {} on node {} successfully deleted.", connectionId, nodeId);
 402                 } else {
 403                     LOG.error("Failed to delete cross connect {} on node {}!", connectionId, nodeId);
 404                     success = false;
 405                     failedInterfaces.add(connectionId);
 406                 }
 407             }
 408             // Interfaces needs to be in specific order to delete. Order is:
 409             // 1. ODU interfaces
 410             // 2. OTU interfaces
 411             // 3. OCH interfaces
 412             // 4. ETH interfaces
 413             LinkedList<String> interfacesToDelete = new LinkedList<>();
 414             if (nodeInterfaces.getOduInterfaceId() != null) {
 415                 interfacesToDelete.addAll(nodeInterfaces.getOduInterfaceId());
 416             }
 417             if (nodeInterfaces.getOtuInterfaceId() != null) {
 418                 interfacesToDelete.addAll(nodeInterfaces.getOtuInterfaceId());
 419             }
 420             if (nodeInterfaces.getOchInterfaceId() != null) {
 421                 interfacesToDelete.addAll(nodeInterfaces.getOchInterfaceId());
 422             }
 423             if (nodeInterfaces.getEthInterfaceId() != null) {
 424                 interfacesToDelete.addAll(nodeInterfaces.getEthInterfaceId());
 425             }
 426             LOG.info("Going to execute rollback on node {}. Interfaces to rollback: {}", nodeId,
 427                     String.join(", ", interfacesToDelete));
 428             for (String interfaceId : interfacesToDelete) {
 429                 try {
 430                     this.openRoadmInterfaces.deleteInterface(nodeId, interfaceId);
 431                     LOG.info("Interface {} on node {} successfully deleted.", interfaceId, nodeId);
 432                 } catch (OpenRoadmInterfaceException e) {
 433                     LOG.error("Failed to delete interface {} on node {}!", interfaceId, nodeId);
 434                     success = false;
 435                     failedInterfaces.add(interfaceId);
 436                 }
 437             }
 438             failedToRollbackList.add(new FailedToRollbackBuilder().withKey(new FailedToRollbackKey(nodeId))
 439                     .setNodeId(nodeId).setInterface(failedInterfaces).build());
 440         }
 441         return new RendererRollbackOutputBuilder().setSuccess(success).setFailedToRollback(failedToRollbackList)
 442                 .build();
 443     }
 444
 445     private boolean alarmSuppressionNodeRegistration(ServicePathInput input) {
 446         NodelistBuilder nodeListBuilder = new NodelistBuilder()
 447             .withKey(new NodelistKey(input.getServiceName()))
 448             .setServiceName(input.getServiceName());
 449         List<org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102.service
 450             .nodelist.nodelist.Nodes> nodeList =
 451                 new ArrayList<>();
 452         for (Nodes node : input.getNodes()) {
 453             nodeList.add(
 454                     new org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102
 455                     .service.nodelist.nodelist.NodesBuilder()
 456                             .setNodeId(node.getNodeId()).build());
 457         }
 458         nodeListBuilder.setNodes(nodeList);
 459         InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102
 460             .service.nodelist.Nodelist> nodeListIID =
 461                         InstanceIdentifier.create(ServiceNodelist.class).child(
 462                                 org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression
 463                                     .rev171102.service.nodelist.Nodelist.class,
 464                                 new NodelistKey(input.getServiceName()));
 465         final WriteTransaction writeTransaction = this.dataBroker.newWriteOnlyTransaction();
 466         writeTransaction.merge(LogicalDatastoreType.CONFIGURATION, nodeListIID, nodeListBuilder.build());
 467         FluentFuture<? extends @NonNull CommitInfo> commit = writeTransaction.commit();
 468         try {
 469             commit.get(Timeouts.DATASTORE_WRITE, TimeUnit.MILLISECONDS);
 470             LOG.info("Nodes are register for alarm suppression for service: {}", input.getServiceName());
 471             return true;
 472         } catch (ExecutionException | InterruptedException | TimeoutException e) {
 473             LOG.warn("Failed to alarm suppresslist for service: {}", input.getServiceName(), e);
 474             return false;
 475         }
 476     }
 477
 478     private boolean alarmSuppressionNodeRemoval(String serviceName) {
 479         InstanceIdentifier<org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression.rev171102
 480             .service.nodelist.Nodelist> nodeListIID =
 481                         InstanceIdentifier.create(ServiceNodelist.class).child(
 482                                 org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.alarmsuppression
 483                                     .rev171102.service.nodelist.Nodelist.class,
 484                                 new NodelistKey(serviceName));
 485         final WriteTransaction writeTransaction = this.dataBroker.newWriteOnlyTransaction();
 486         writeTransaction.delete(LogicalDatastoreType.CONFIGURATION, nodeListIID);
 487         FluentFuture<? extends @NonNull CommitInfo> commit = writeTransaction.commit();
 488         try {
 489             commit.get(Timeouts.DATASTORE_DELETE, TimeUnit.MILLISECONDS);
 490             LOG.info("Nodes are unregister for alarm suppression for service: {}", serviceName);
 491             return true;
 492         } catch (InterruptedException | TimeoutException | ExecutionException e) {
 493             LOG.warn("Failed to alarm suppresslist for service: {}", serviceName, e);
 494             return false;
 495         }
 496     }
 497
 498     private void setTopologyForService(String name, Topology topo)
 499             throws InterruptedException, ExecutionException, TimeoutException {
 500         ServicesBuilder servicesBuilder;
 501         // Get the service from the service list inventory
 502         ServicesKey serviceKey = new ServicesKey(name);
 503         InstanceIdentifier<Services> iid =
 504                 InstanceIdentifier.create(ServiceList.class).child(Services.class, serviceKey);
 505         Optional<Services> services;
 506         try (ReadTransaction readTx = this.dataBroker.newReadOnlyTransaction()) {
 507             Future<java.util.Optional<Services>> future =
 508                     readTx.read(LogicalDatastoreType.OPERATIONAL, iid);
 509             services = future.get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS);
 510         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 511             throw e;
 512         }
 513         if (services.isPresent()) {
 514             LOG.info("service {} already exists", name);
 515             servicesBuilder = new ServicesBuilder(services.get()).setTopology(topo);
 516             WriteTransaction writeTx = this.dataBroker.newWriteOnlyTransaction();
 517             writeTx.merge(LogicalDatastoreType.OPERATIONAL, iid, servicesBuilder.build());
 518             writeTx.commit().get(Timeouts.DATASTORE_WRITE, TimeUnit.MILLISECONDS);
 519         } else {
 520             LOG.warn("Service {} does not exist - topology can not be updated", name);
 521         }
 522     }
 523
 524     @Override
 525     public CreateOtsOmsOutput createOtsOms(CreateOtsOmsInput input) throws OpenRoadmInterfaceException {
 526         CreateOtsOmsOutputBuilder output = new CreateOtsOmsOutputBuilder();
 527         String result = "";
 528         Boolean success = false;
 529         // if the node is currently mounted then proceed.
 530         if (this.deviceTransactionManager.isDeviceMounted(input.getNodeId())) {
 531             Mapping oldMapping = null;
 532             Mapping newMapping = null;
 533             oldMapping = this.portMapping.getMapping(input.getNodeId(), input.getLogicalConnectionPoint());
 534             if (oldMapping != null) {
 535                 String otsInterface =
 536                         this.openRoadmInterfaceFactory.createOpenRoadmOtsInterface(input.getNodeId(), oldMapping);
 537                 newMapping = this.portMapping.getMapping(input.getNodeId(), input.getLogicalConnectionPoint());
 538                 int count = 0;
 539                 Boolean isSupportingOtsPresent = isSupportingOtsPresent(newMapping);
 540                 while (!isSupportingOtsPresent && (count < 6)) {
 541                     LOG.info("waiting for post interface operation on node '{}'...", input.getNodeId());
 542                     try {
 543                         Thread.sleep(10000);
 544                         this.portMapping.updateMapping(input.getNodeId(), oldMapping);
 545                     } catch (InterruptedException e) {
 546                         LOG.error("Failed to wait for post interface operation ");
 547                     }
 548                     newMapping = this.portMapping.getMapping(input.getNodeId(), input.getLogicalConnectionPoint());
 549                     isSupportingOtsPresent = isSupportingOtsPresent(newMapping);
 550                     count++;
 551                 }
 552                 if (count < 6) {
 553                     String omsInterface =
 554                             this.openRoadmInterfaceFactory.createOpenRoadmOmsInterface(input.getNodeId(), newMapping);
 555                     if (omsInterface != null) {
 556                         result = "Interfaces " + otsInterface + " - " + omsInterface + " successfully created on node "
 557                                 + input.getNodeId();
 558                         success = true;
 559                     } else {
 560                         LOG.error("Fail to create OpenRoadmOms Interface for node '{}'", input.getNodeId());
 561                         result = "Fail to create OpenRoadmOms Interface for node : " + input.getNodeId();
 562                     }
 563                 } else {
 564                     LOG.error("Unable to get ots interface from mapping {} for node {}",
 565                             oldMapping.getLogicalConnectionPoint(), input.getNodeId());
 566                     result = String.format("Unable to get ots interface from mapping %s - %s",
 567                             oldMapping.getLogicalConnectionPoint(), input.getNodeId());
 568                 }
 569             } else {
 570                 result = "Logical Connection point " + input.getLogicalConnectionPoint() + " does not exist for "
 571                         + input.getNodeId();
 572             }
 573         } else {
 574             result = input.getNodeId() + " is not mounted on the controller";
 575             LOG.warn("{} is not mounted on the controller",input.getNodeId());
 576         }
 577         return output.setResult(result).setSuccess(success).build();
 578     }
 579
 580     private Boolean isSupportingOtsPresent(Mapping mapping) {
 581         Boolean result = false;
 582         if (mapping != null) {
 583             if (mapping.getSupportingOts() != null) {
 584                 LOG.info("SupportingOts info is present in mapping {}", mapping);
 585                 result = true;
 586             } else {
 587                 LOG.warn("SupportingOts info not present in mapping {}", mapping);
 588             }
 589         }
 590         return result;
 591     }
 592
 593     private void updateOtnTopology(CopyOnWriteArrayList<Nodes> nodes, boolean isDeletion) {
 594         if (nodes.size() != 2) {
 595             LOG.error("Error with OTU4 links to update in otn-topology");
 596             return;
 597         }
 598         if (isDeletion) {
 599             LOG.info("updating otn-topology removing OTU4 links");
 600             this.networkModelService.deleteOtnLinks(nodes.get(0).getNodeId(), nodes.get(0).getDestTp(),
 601                 nodes.get(1).getNodeId(), nodes.get(1).getDestTp(), OtnLinkType.OTU4);
 602         } else {
 603             LOG.info("updating otn-topology adding OTU4 links");
 604             this.networkModelService.createOtnLinks(nodes.get(0).getNodeId(), nodes.get(0).getDestTp(),
 605                 nodes.get(1).getNodeId(), nodes.get(1).getDestTp(), OtnLinkType.OTU4);
 606         }
 607     }
 608 }