renderer/src/main/java/org/opendaylight/transportpce/renderer/provisiondevice/RendererServiceOperationsImpl.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.base.Optional;
  11 import com.google.common.util.concurrent.Futures;
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import com.google.common.util.concurrent.ListeningExecutorService;
  14 import com.google.common.util.concurrent.MoreExecutors;
  15
  16 import java.util.ArrayList;
  17 import java.util.List;
  18 import java.util.concurrent.Callable;
  19 import java.util.concurrent.ExecutionException;
  20 import java.util.concurrent.Executors;
  21 import java.util.concurrent.Future;
  22 import java.util.concurrent.TimeUnit;
  23 import java.util.concurrent.TimeoutException;
  24
  25 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  26 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
  27 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  28 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  29 import org.opendaylight.transportpce.common.OperationResult;
  30 import org.opendaylight.transportpce.common.ResponseCodes;
  31 import org.opendaylight.transportpce.common.StringConstants;
  32 import org.opendaylight.transportpce.common.Timeouts;
  33 import org.opendaylight.transportpce.renderer.ModelMappingUtils;
  34 import org.opendaylight.transportpce.renderer.NetworkModelWavelengthService;
  35 import org.opendaylight.transportpce.renderer.ServicePathInputData;
  36 import org.opendaylight.transportpce.renderer.provisiondevice.servicepath.ServicePathDirection;
  37 import org.opendaylight.transportpce.renderer.provisiondevice.tasks.DeviceRenderingRollbackTask;
  38 import org.opendaylight.transportpce.renderer.provisiondevice.tasks.DeviceRenderingTask;
  39 import org.opendaylight.transportpce.renderer.provisiondevice.tasks.OlmPowerSetupRollbackTask;
  40 import org.opendaylight.transportpce.renderer.provisiondevice.tasks.OlmPowerSetupTask;
  41 import org.opendaylight.transportpce.renderer.provisiondevice.tasks.RollbackProcessor;
  42 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmInputBuilder;
  43 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.GetPmOutput;
  44 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerSetupInput;
  45 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownInputBuilder;
  46 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.ServicePowerTurndownOutput;
  47 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.TransportpceOlmService;
  48 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.olm.rev170418.get.pm.output.Measurements;
  49 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceDeleteInput;
  50 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceDeleteOutput;
  51 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceImplementationRequestInput;
  52 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceImplementationRequestOutput;
  53 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceRpcResultSp;
  54 import org.opendaylight.yang.gen.v1.http.org.opendaylight.transportpce.renderer.rev171017.ServiceRpcResultSpBuilder;
  55 import org.opendaylight.yang.gen.v1.http.org.openroadm.pm.types.rev161014.PmGranularity;
  56 import org.opendaylight.yang.gen.v1.http.org.openroadm.resource.types.rev161014.ResourceTypeEnum;
  57 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev171016.RpcStatusEx;
  58 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev171016.ServicePathNotificationTypes;
  59 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.service.types.rev171016.service.path.PathDescription;
  60 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.servicepath.rev171017.ServicePathList;
  61 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.servicepath.rev171017.service.path.list.ServicePaths;
  62 import org.opendaylight.yang.gen.v1.http.org.transportpce.b.c._interface.servicepath.rev171017.service.path.list.ServicePathsKey;
  63 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.olm.get.pm.input.ResourceIdentifierBuilder;
  64 import org.opendaylight.yang.gen.v1.http.org.transportpce.common.types.rev170907.olm.renderer.input.Nodes;
  65 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  66 import org.opendaylight.yangtools.yang.common.RpcResult;
  67 import org.slf4j.Logger;
  68 import org.slf4j.LoggerFactory;
  69
  70
  71 public class RendererServiceOperationsImpl implements RendererServiceOperations {
  72
  73     private static final Logger LOG = LoggerFactory.getLogger(RendererServiceOperationsImpl.class);
  74     private static final String FAILED = "Failed";
  75     private static final String OPERATION_FAILED = "Operation Failed";
  76     private static final String OPERATION_SUCCESSFUL = "Operation Successful";
  77     private static final int NUMBER_OF_THREADS = 4;
  78
  79     private final DeviceRendererService deviceRenderer;
  80     private final TransportpceOlmService olmService;
  81     private final DataBroker dataBroker;
  82     private final NotificationPublishService notificationPublishService;
  83     private ListeningExecutorService executor;
  84     private NetworkModelWavelengthService networkModelWavelengthService;
  85     private ServiceRpcResultSp notification = null;
  86
  87     public RendererServiceOperationsImpl(DeviceRendererService deviceRenderer, TransportpceOlmService olmService,
  88             DataBroker dataBroker, NetworkModelWavelengthService networkModelWavelengthService,
  89             NotificationPublishService notificationPublishService) {
  90         this.deviceRenderer = deviceRenderer;
  91         this.olmService = olmService;
  92         this.dataBroker = dataBroker;
  93         this.networkModelWavelengthService = networkModelWavelengthService;
  94         this.notificationPublishService = notificationPublishService;
  95         this.executor = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(NUMBER_OF_THREADS));
  96     }
  97
  98     private void sendNotifications(ServicePathNotificationTypes servicePathNotificationTypes, String serviceName,
  99             RpcStatusEx rpcStatusEx, String message) {
 100         this.notification = new ServiceRpcResultSpBuilder()
 101                 .setNotificationType(servicePathNotificationTypes)
 102                 .setServiceName(serviceName)
 103                 .setStatus(rpcStatusEx)
 104                 .setStatusMessage(message)
 105                 .build();
 106         try {
 107             notificationPublishService.putNotification(this.notification);
 108         } catch (InterruptedException e) {
 109             LOG.info("notification offer rejected : ", e.getMessage());
 110         }
 111     }
 112
 113     @Override
 114     public ListenableFuture<ServiceImplementationRequestOutput>
 115             serviceImplementation(ServiceImplementationRequestInput input) {
 116         LOG.info("Calling service impl request {} {}", input.getServiceName());
 117         return executor.submit(new Callable<ServiceImplementationRequestOutput>() {
 118
 119             @Override
 120             public ServiceImplementationRequestOutput call() throws Exception {
 121                 sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest, input.getServiceName(),
 122                         RpcStatusEx.Pending, "Service compliant, submitting service implementation Request ...");
 123                 RollbackProcessor rollbackProcessor = new RollbackProcessor();
 124                 ServicePathInputData servicePathInputDataAtoZ = ModelMappingUtils
 125                         .rendererCreateServiceInputAToZ(input.getServiceName(), input.getPathDescription());
 126                 ServicePathInputData servicePathInputDataZtoA = ModelMappingUtils
 127                         .rendererCreateServiceInputZToA(input.getServiceName(), input.getPathDescription());
 128                 List<DeviceRenderingResult> renderingResults =
 129                         deviceRendering(rollbackProcessor, servicePathInputDataAtoZ, servicePathInputDataZtoA);
 130                 if (rollbackProcessor.rollbackAllIfNecessary() > 0) {
 131                     sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest, input.getServiceName(),
 132                             RpcStatusEx.Failed, "Device rendering was not successful! Rendering will be rolled back.");
 133                     return ModelMappingUtils.createServiceImplResponse(ResponseCodes.RESPONSE_FAILED, OPERATION_FAILED);
 134                 }
 135                 ServicePowerSetupInput olmPowerSetupInputAtoZ =
 136                         ModelMappingUtils.createServicePowerSetupInput(renderingResults.get(0).getOlmList(), input);
 137                 ServicePowerSetupInput olmPowerSetupInputZtoA =
 138                         ModelMappingUtils.createServicePowerSetupInput(renderingResults.get(1).getOlmList(), input);
 139                 olmPowerSetup(rollbackProcessor, olmPowerSetupInputAtoZ, olmPowerSetupInputZtoA);
 140                 if (rollbackProcessor.rollbackAllIfNecessary() > 0) {
 141                     sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest, input.getServiceName(),
 142                             RpcStatusEx.Failed,
 143                             "OLM power setup was not successful! Rendering and OLM will be rolled back.");
 144                     return ModelMappingUtils.createServiceImplResponse(ResponseCodes.RESPONSE_FAILED, OPERATION_FAILED);
 145                 }
 146                 // run service activation test twice - once on source node and once on
 147                 // destination node
 148                 List<Nodes> nodes = servicePathInputDataAtoZ.getServicePathInput().getNodes();
 149                 Nodes sourceNode = nodes.get(0);
 150                 Nodes destNode = nodes.get(nodes.size() - 1);
 151                 String srcNetworkTp;
 152                 String dstNetowrkTp;
 153                 if (sourceNode.getDestTp().contains(StringConstants.NETWORK_TOKEN)) {
 154                     srcNetworkTp = sourceNode.getDestTp();
 155                 } else {
 156                     srcNetworkTp = sourceNode.getSrcTp();
 157                 }
 158                 if (destNode.getDestTp().contains(StringConstants.NETWORK_TOKEN)) {
 159                     dstNetowrkTp = destNode.getDestTp();
 160                 } else {
 161                     dstNetowrkTp = destNode.getSrcTp();
 162                 }
 163                 if (!isServiceActivated(sourceNode.getNodeId(), srcNetworkTp)
 164                         || !isServiceActivated(destNode.getNodeId(), dstNetowrkTp)) {
 165                     rollbackProcessor.rollbackAll();
 166                     sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest, input.getServiceName(),
 167                             RpcStatusEx.Failed, "Service activation test failed.");
 168                     return ModelMappingUtils.createServiceImplResponse(ResponseCodes.RESPONSE_FAILED, OPERATION_FAILED);
 169                 }
 170                 // If Service activation is success update Network ModelMappingUtils
 171                 networkModelWavelengthService.useWavelengths(input.getPathDescription());
 172                 sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest, input.getServiceName(),
 173                         RpcStatusEx.Successful, OPERATION_SUCCESSFUL);
 174                 return ModelMappingUtils.createServiceImplResponse(ResponseCodes.RESPONSE_OK, OPERATION_SUCCESSFUL);
 175             }
 176         });
 177
 178     }
 179
 180     @SuppressWarnings("checkstyle:IllegalCatch")
 181     public OperationResult reserveResource(PathDescription pathDescription) {
 182
 183         try {
 184             LOG.info("Reserving resources in network model");
 185             networkModelWavelengthService.useWavelengths(pathDescription);
 186         } catch (Exception e) {
 187             LOG.warn("Reserving resources in network model failed");
 188             return OperationResult.failed("Resources reserve failed in network model");
 189         }
 190         return OperationResult.ok("Resources reserved successfully in network model");
 191     }
 192
 193     @SuppressWarnings("checkstyle:IllegalCatch")
 194     public OperationResult freeResource(PathDescription pathDescription) {
 195
 196         try {
 197             networkModelWavelengthService.freeWavelengths(pathDescription);
 198         } catch (Exception e) {
 199             return OperationResult.failed("Resources reserve failed in network model");
 200         }
 201         return OperationResult.ok("Resources reserved successfully in network model");
 202     }
 203
 204     @Override
 205     public ListenableFuture<ServiceDeleteOutput> serviceDelete(ServiceDeleteInput input) {
 206         String serviceName = input.getServiceName();
 207         LOG.info("Calling service delete request {} {}", input.getServiceName());
 208         return executor.submit(new Callable<ServiceDeleteOutput>() {
 209
 210             @Override
 211             public ServiceDeleteOutput call() throws Exception {
 212                 sendNotifications(ServicePathNotificationTypes.ServiceDelete, input.getServiceName(),
 213                         RpcStatusEx.Pending, "Service compliant, submitting service delete Request ...");
 214                 // Obtain path description
 215                 Optional<PathDescription> pathDescriptionOpt = getPathDescriptionFromDatastore(serviceName);
 216                 PathDescription pathDescription;
 217                 if (pathDescriptionOpt.isPresent()) {
 218                     pathDescription = pathDescriptionOpt.get();
 219                 } else {
 220                     LOG.error("Unable to get path description for service {}!", serviceName);
 221                     sendNotifications(ServicePathNotificationTypes.ServiceDelete, input.getServiceName(),
 222                             RpcStatusEx.Failed, "Unable to get path description for service");
 223                     return ModelMappingUtils.createServiceDeleteResponse(ResponseCodes.RESPONSE_FAILED,
 224                             OPERATION_FAILED);
 225                 }
 226                 ServicePathInputData servicePathInputDataAtoZ =
 227                         ModelMappingUtils.rendererCreateServiceInputAToZ(serviceName, pathDescription);
 228                 ServicePathInputData servicePathInputDataZtoA =
 229                         ModelMappingUtils.rendererCreateServiceInputZToA(serviceName, pathDescription);
 230                 // OLM turn down power
 231                 try {
 232                     LOG.debug("Turning down power on A-to-Z path");
 233                     sendNotifications(ServicePathNotificationTypes.ServiceDelete,
 234                             input.getServiceName(), RpcStatusEx.Pending, "Turning down power on A-to-Z path");
 235                     ServicePowerTurndownOutput atozPowerTurndownOutput = olmPowerTurndown(servicePathInputDataAtoZ);
 236                     // TODO add some flag rather than string
 237                     if (FAILED.equals(atozPowerTurndownOutput.getResult())) {
 238                         LOG.error("Service power turndown failed on A-to-Z path for service {}!", serviceName);
 239                         sendNotifications(ServicePathNotificationTypes.ServiceDelete,
 240                                 input.getServiceName(), RpcStatusEx.Failed,
 241                                 "Service power turndown failed on A-to-Z path for service");
 242                         return ModelMappingUtils.createServiceDeleteResponse(ResponseCodes.RESPONSE_FAILED,
 243                                 OPERATION_FAILED);
 244                     }
 245                     LOG.debug("Turning down power on Z-to-A path");
 246                     sendNotifications(ServicePathNotificationTypes.ServiceDelete, input.getServiceName(),
 247                             RpcStatusEx.Pending, "Turning down power on Z-to-A path");
 248                     ServicePowerTurndownOutput ztoaPowerTurndownOutput = olmPowerTurndown(servicePathInputDataZtoA);
 249                     // TODO add some flag rather than string
 250                     if (FAILED.equals(ztoaPowerTurndownOutput.getResult())) {
 251                         LOG.error("Service power turndown failed on Z-to-A path for service {}!", serviceName);
 252                         sendNotifications(ServicePathNotificationTypes.ServiceDelete,
 253                                 input.getServiceName(), RpcStatusEx.Failed,
 254                                 "Service power turndown failed on Z-to-A path for service");
 255                         return ModelMappingUtils.createServiceDeleteResponse(ResponseCodes.RESPONSE_FAILED,
 256                                 OPERATION_FAILED);
 257                     }
 258                 } catch (InterruptedException | ExecutionException | TimeoutException e) {
 259                     LOG.error("Error while turning down power!", e);
 260                     return ModelMappingUtils.createServiceDeleteResponse(ResponseCodes.RESPONSE_FAILED,
 261                             OPERATION_FAILED);
 262                 }
 263                 // delete service path with renderer
 264                 LOG.debug("Deleting service path via renderer");
 265                 sendNotifications(ServicePathNotificationTypes.ServiceDelete, input.getServiceName(),
 266                         RpcStatusEx.Pending, "Deleting service path via renderer");
 267                 deviceRenderer.deleteServicePath(servicePathInputDataAtoZ.getServicePathInput());
 268                 deviceRenderer.deleteServicePath(servicePathInputDataZtoA.getServicePathInput());
 269                 networkModelWavelengthService.freeWavelengths(pathDescription);
 270                 sendNotifications(ServicePathNotificationTypes.ServiceDelete, input.getServiceName(),
 271                         RpcStatusEx.Successful, OPERATION_SUCCESSFUL);
 272                 return ModelMappingUtils.createServiceDeleteResponse(ResponseCodes.RESPONSE_OK, OPERATION_SUCCESSFUL);
 273             }
 274         });
 275
 276
 277     }
 278
 279     private ServicePowerTurndownOutput olmPowerTurndown(ServicePathInputData servicePathInputData)
 280             throws InterruptedException, ExecutionException, TimeoutException {
 281         LOG.debug("Turning down power on A-to-Z path");
 282         Future<RpcResult<ServicePowerTurndownOutput>> powerTurndownFuture = this.olmService.servicePowerTurndown(
 283                 new ServicePowerTurndownInputBuilder(servicePathInputData.getServicePathInput()).build());
 284         return powerTurndownFuture.get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS).getResult();
 285     }
 286
 287     private Optional<PathDescription> getPathDescriptionFromDatastore(String serviceName) {
 288         InstanceIdentifier<PathDescription> pathDescriptionIID = InstanceIdentifier.create(ServicePathList.class)
 289                 .child(ServicePaths.class, new ServicePathsKey(serviceName)).child(PathDescription.class);
 290         ReadOnlyTransaction pathDescReadTx = this.dataBroker.newReadOnlyTransaction();
 291         try {
 292             LOG.debug("Getting path description for service {}", serviceName);
 293             return pathDescReadTx.read(LogicalDatastoreType.OPERATIONAL, pathDescriptionIID)
 294                     .get(Timeouts.DATASTORE_READ, TimeUnit.MILLISECONDS);
 295         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 296             LOG.warn("Exception while getting path description from datastore {} for service {}!", pathDescriptionIID,
 297                     serviceName, e);
 298             return Optional.absent();
 299         }
 300     }
 301
 302     private List<DeviceRenderingResult> deviceRendering(RollbackProcessor rollbackProcessor,
 303             ServicePathInputData servicePathDataAtoZ, ServicePathInputData servicePathDataZtoA) {
 304         LOG.info("Rendering devices A-Z");
 305         sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 306                 servicePathDataAtoZ.getServicePathInput().getServiceName(), RpcStatusEx.Pending,
 307                 "Rendering devices A-Z");
 308         ListenableFuture<DeviceRenderingResult> atozrenderingFuture =
 309                 this.executor.submit(new DeviceRenderingTask(this.deviceRenderer, servicePathDataAtoZ,
 310                         ServicePathDirection.A_TO_Z));
 311
 312         LOG.info("Rendering devices Z-A");
 313         sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 314                 servicePathDataAtoZ.getServicePathInput().getServiceName(), RpcStatusEx.Pending,
 315                 "Rendering devices A-Z");
 316         ListenableFuture<DeviceRenderingResult> ztoarenderingFuture =
 317                 this.executor.submit(new DeviceRenderingTask(this.deviceRenderer, servicePathDataZtoA,
 318                         ServicePathDirection.Z_TO_A));
 319         ListenableFuture<List<DeviceRenderingResult>> renderingCombinedFuture =
 320                 Futures.allAsList(atozrenderingFuture, ztoarenderingFuture);
 321
 322         List<DeviceRenderingResult> renderingResults = new ArrayList<>(2);
 323         try {
 324             LOG.info("Waiting for A-Z and Z-A device renderers ...");
 325             renderingResults = renderingCombinedFuture.get(Timeouts.RENDERING_TIMEOUT, TimeUnit.MILLISECONDS);
 326         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 327             LOG.warn("Device rendering was not successful! Rendering will be rolled back.", e);
 328             sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 329                     servicePathDataAtoZ.getServicePathInput().getServiceName(), RpcStatusEx.Pending,
 330                     "Device rendering was not successful! Rendering will be rolled back.");
 331             //FIXME we can't do rollback here, because we don't have rendering results.
 332             return renderingResults;
 333         }
 334
 335         rollbackProcessor.addTask(new DeviceRenderingRollbackTask("AtoZDeviceTask",
 336                 ! renderingResults.get(0).isSuccess(), renderingResults.get(0).getRenderedNodeInterfaces(),
 337                 this.deviceRenderer));
 338         rollbackProcessor.addTask(new DeviceRenderingRollbackTask("ZtoADeviceTask",
 339                 ! renderingResults.get(1).isSuccess(), renderingResults.get(1).getRenderedNodeInterfaces(),
 340                 this.deviceRenderer));
 341         return renderingResults;
 342     }
 343
 344     private void olmPowerSetup(RollbackProcessor rollbackProcessor, ServicePowerSetupInput powerSetupInputAtoZ,
 345             ServicePowerSetupInput powerSetupInputZtoA) {
 346         LOG.info("Olm power setup A-Z");
 347         sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 348                 powerSetupInputAtoZ.getServiceName(), RpcStatusEx.Pending, "Olm power setup A-Z");
 349         ListenableFuture<OLMRenderingResult> olmPowerSetupFutureAtoZ
 350                 = this.executor.submit(new OlmPowerSetupTask(this.olmService, powerSetupInputAtoZ));
 351
 352         LOG.info("OLM power setup Z-A");
 353         sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 354                 powerSetupInputAtoZ.getServiceName(), RpcStatusEx.Pending, "Olm power setup Z-A");
 355         ListenableFuture<OLMRenderingResult> olmPowerSetupFutureZtoA
 356                 = this.executor.submit(new OlmPowerSetupTask(this.olmService, powerSetupInputZtoA));
 357         ListenableFuture<List<OLMRenderingResult>> olmFutures =
 358                 Futures.allAsList(olmPowerSetupFutureAtoZ, olmPowerSetupFutureZtoA);
 359
 360         List<OLMRenderingResult> olmResults;
 361         try {
 362             LOG.info("Waiting for A-Z and Z-A OLM power setup ...");
 363             olmResults = olmFutures.get(Timeouts.OLM_TIMEOUT, TimeUnit.MILLISECONDS);
 364         } catch (InterruptedException | ExecutionException | TimeoutException e) {
 365             LOG.warn("OLM power setup was not successful! Rendering and OLM will be rolled back.", e);
 366             sendNotifications(ServicePathNotificationTypes.ServiceImplementationRequest,
 367                     powerSetupInputAtoZ.getServiceName(), RpcStatusEx.Pending,
 368                     "OLM power setup was not successful! Rendering and OLM will be rolled back.");
 369             rollbackProcessor.addTask(new OlmPowerSetupRollbackTask("AtoZOLMTask", true,
 370                     this.olmService, powerSetupInputAtoZ));
 371             rollbackProcessor.addTask(new OlmPowerSetupRollbackTask("ZtoAOLMTask", true,
 372                     this.olmService, powerSetupInputZtoA));
 373             return;
 374         }
 375
 376         rollbackProcessor.addTask(new OlmPowerSetupRollbackTask("AtoZOLMTask", ! olmResults.get(0).isSuccess(),
 377                 this.olmService, powerSetupInputAtoZ));
 378         rollbackProcessor.addTask(new OlmPowerSetupRollbackTask("ZtoAOLMTask", ! olmResults.get(1).isSuccess(),
 379                 this.olmService, powerSetupInputZtoA));
 380     }
 381
 382     private boolean isServiceActivated(String nodeId, String tpId) {
 383         LOG.info("Starting service activation test on node {} and tp {}", nodeId, tpId);
 384         for (int i = 0; i < 3; i++) {
 385             List<Measurements> measurements = getMeasurements(nodeId, tpId);
 386             if ((measurements != null) && verifyPreFecBer(measurements)) {
 387                 return true;
 388             } else if (measurements == null) {
 389                 LOG.warn("Device {} is not reporting PreFEC on TP: {}", nodeId, tpId);
 390                 return true;
 391             } else {
 392                 try {
 393                     Thread.sleep(Timeouts.SERVICE_ACTIVATION_TEST_RETRY_TIME);
 394                 } catch (InterruptedException ex) {
 395                     Thread.currentThread().interrupt();
 396                 }
 397             }
 398         }
 399         LOG.error("Service activation test failed on node {} and termination point {}!", nodeId, tpId);
 400         return false;
 401     }
 402
 403     private List<Measurements> getMeasurements(String nodeId, String tp) {
 404         GetPmInputBuilder getPmIpBldr = new GetPmInputBuilder();
 405         getPmIpBldr.setNodeId(nodeId);
 406         getPmIpBldr.setGranularity(PmGranularity._15min);
 407         ResourceIdentifierBuilder rsrcBldr = new ResourceIdentifierBuilder();
 408         rsrcBldr.setResourceName(tp + "-OTU");
 409         getPmIpBldr.setResourceIdentifier(rsrcBldr.build());
 410         getPmIpBldr.setResourceType(ResourceTypeEnum.Interface);
 411
 412         try {
 413             Future<RpcResult<GetPmOutput>> getPmFuture = this.olmService.getPm(getPmIpBldr.build());
 414             RpcResult<GetPmOutput> getPmRpcResult = getPmFuture.get();
 415             GetPmOutput getPmOutput = getPmRpcResult.getResult();
 416             if ((getPmOutput != null) && (getPmOutput.getNodeId() != null)) {
 417                 LOG.info("successfully finished calling OLM's get PM");
 418                 return getPmOutput.getMeasurements(); // may return null
 419             } else {
 420                 LOG.warn("OLM's get PM failed for node {} and tp {}", nodeId, tp);
 421             }
 422
 423         } catch (ExecutionException | InterruptedException e) {
 424             LOG.warn("Error occurred while getting PM for node {} and tp {}", nodeId, tp, e);
 425         }
 426         return null;
 427     }
 428
 429
 430     private boolean verifyPreFecBer(List<Measurements> measurements) {
 431         double preFecCorrectedErrors = Double.MIN_VALUE;
 432         double fecUncorrectableBlocks = Double.MIN_VALUE;
 433
 434         for (Measurements measurement : measurements) {
 435             if (measurement.getPmparameterName().equals("preFECCorrectedErrors")) {
 436                 preFecCorrectedErrors = Double.parseDouble(measurement.getPmparameterValue());
 437             }
 438             if (measurement.getPmparameterName().equals("FECUncorrectableBlocks")) {
 439                 fecUncorrectableBlocks = Double.parseDouble(measurement.getPmparameterValue());
 440             }
 441         }
 442
 443         LOG.info("Measurements: preFECCorrectedErrors = {}; FECUncorrectableBlocks = {}", preFecCorrectedErrors,
 444                 fecUncorrectableBlocks);
 445
 446         if (fecUncorrectableBlocks > Double.MIN_VALUE) {
 447             LOG.error("Data has uncorrectable errors, BER test failed");
 448             return false;
 449         } else {
 450             double numOfBitsPerSecond = 112000000000d;
 451             double threshold = 0.00002d;
 452             double result = preFecCorrectedErrors / numOfBitsPerSecond;
 453             LOG.info("PreFEC value is {}", Double.toString(result));
 454             return result <= threshold;
 455         }
 456     }
 457
 458 }