gerrit.onap Code Review - so.git/blob

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.so.bpmn.infrastructure.workflow.tasks;
  22
  23 import java.sql.Timestamp;
  24 import java.util.ArrayList;
  25 import java.util.List;
  26 import java.util.UUID;
  27 import javax.persistence.EntityNotFoundException;
  28 import org.camunda.bpm.engine.delegate.DelegateExecution;
  29 import org.onap.aai.domain.yang.Vnfc;
  30 import org.onap.so.bpmn.common.DelegateExecutionImpl;
  31 import org.onap.so.bpmn.common.listener.db.RequestsDbListenerRunner;
  32 import org.onap.so.bpmn.common.listener.flowmanipulator.FlowManipulatorListenerRunner;
  33 import org.onap.so.bpmn.common.workflow.context.WorkflowCallbackResponse;
  34 import org.onap.so.bpmn.common.workflow.context.WorkflowContextHolder;
  35 import org.onap.so.bpmn.servicedecomposition.entities.BuildingBlock;
  36 import org.onap.so.bpmn.servicedecomposition.entities.ConfigurationResourceKeys;
  37 import org.onap.so.bpmn.servicedecomposition.entities.ExecuteBuildingBlock;
  38 import org.onap.so.bpmn.servicedecomposition.entities.WorkflowResourceIds;
  39 import org.onap.so.bpmn.servicedecomposition.tasks.BBInputSetupUtils;
  40 import org.onap.so.client.aai.AAIObjectType;
  41 import org.onap.so.client.aai.entities.Configuration;
  42 import org.onap.so.client.exception.ExceptionBuilder;
  43 import org.onap.so.db.catalog.beans.CvnfcConfigurationCustomization;
  44 import org.onap.so.db.catalog.client.CatalogDbClient;
  45 import org.onap.so.db.request.beans.InfraActiveRequests;
  46 import org.onap.so.db.request.client.RequestsDbClient;
  47 import org.onap.so.serviceinstancebeans.RequestReferences;
  48 import org.onap.so.serviceinstancebeans.ServiceInstancesResponse;
  49 import org.slf4j.Logger;
  50 import org.slf4j.LoggerFactory;
  51 import org.springframework.beans.factory.annotation.Autowired;
  52 import org.springframework.core.env.Environment;
  53 import org.springframework.stereotype.Component;
  54 import com.fasterxml.jackson.core.JsonProcessingException;
  55 import com.fasterxml.jackson.databind.ObjectMapper;
  56
  57 @Component
  58 public class WorkflowActionBBTasks {
  59
  60     private static final String G_CURRENT_SEQUENCE = "gCurrentSequence";
  61     private static final String G_REQUEST_ID = "mso-request-id";
  62     private static final String G_ALACARTE = "aLaCarte";
  63     private static final String G_ACTION = "requestAction";
  64     private static final String RETRY_COUNT = "retryCount";
  65     private static final String FABRIC_CONFIGURATION = "FabricConfiguration";
  66     private static final String ASSIGN_FABRIC_CONFIGURATION_BB = "AssignFabricConfigurationBB";
  67     private static final String ACTIVATE_FABRIC_CONFIGURATION_BB = "ActivateFabricConfigurationBB";
  68     private static final String COMPLETED = "completed";
  69     private static final String HANDLINGCODE = "handlingCode";
  70     private static final String ROLLBACKTOCREATED = "RollbackToCreated";
  71     protected String maxRetries = "mso.rainyDay.maxRetries";
  72     private static final Logger logger = LoggerFactory.getLogger(WorkflowActionBBTasks.class);
  73
  74     @Autowired
  75     private RequestsDbClient requestDbclient;
  76     @Autowired
  77     private WorkflowAction workflowAction;
  78     @Autowired
  79     private WorkflowActionBBFailure workflowActionBBFailure;
  80     @Autowired
  81     private Environment environment;
  82     @Autowired
  83     private BBInputSetupUtils bbInputSetupUtils;
  84     @Autowired
  85     private CatalogDbClient catalogDbClient;
  86     @Autowired
  87     private FlowManipulatorListenerRunner flowManipulatorListenerRunner;
  88     @Autowired
  89     private RequestsDbListenerRunner requestsDbListener;
  90
  91     public void selectBB(DelegateExecution execution) {
  92         List<ExecuteBuildingBlock> flowsToExecute =
  93                 (List<ExecuteBuildingBlock>) execution.getVariable("flowsToExecute");
  94         execution.setVariable("MacroRollback", false);
  95
  96         flowManipulatorListenerRunner.modifyFlows(flowsToExecute, new DelegateExecutionImpl(execution));
  97         int currentSequence = (int) execution.getVariable(G_CURRENT_SEQUENCE);
  98
  99         ExecuteBuildingBlock ebb = flowsToExecute.get(currentSequence);
 100
 101         execution.setVariable("buildingBlock", ebb);
 102         currentSequence++;
 103         if (currentSequence >= flowsToExecute.size()) {
 104             execution.setVariable(COMPLETED, true);
 105         } else {
 106             execution.setVariable(COMPLETED, false);
 107         }
 108         execution.setVariable(G_CURRENT_SEQUENCE, currentSequence);
 109     }
 110
 111     public void updateFlowStatistics(DelegateExecution execution) {
 112         try {
 113             int currentSequence = (int) execution.getVariable(G_CURRENT_SEQUENCE);
 114             if (currentSequence > 1) {
 115                 InfraActiveRequests request = this.getUpdatedRequest(execution, currentSequence);
 116                 requestDbclient.updateInfraActiveRequests(request);
 117             }
 118         } catch (Exception ex) {
 119             logger.warn(
 120                     "Bpmn Flow Statistics was unable to update Request Db with the new completion percentage. Competion percentage may be invalid.",
 121                     ex);
 122         }
 123     }
 124
 125     protected InfraActiveRequests getUpdatedRequest(DelegateExecution execution, int currentSequence) {
 126         List<ExecuteBuildingBlock> flowsToExecute =
 127                 (List<ExecuteBuildingBlock>) execution.getVariable("flowsToExecute");
 128         String requestId = (String) execution.getVariable(G_REQUEST_ID);
 129         InfraActiveRequests request = requestDbclient.getInfraActiveRequestbyRequestId(requestId);
 130         ExecuteBuildingBlock completedBB = flowsToExecute.get(currentSequence - 2);
 131         ExecuteBuildingBlock nextBB = flowsToExecute.get(currentSequence - 1);
 132         int completedBBs = currentSequence - 1;
 133         int totalBBs = flowsToExecute.size();
 134         int remainingBBs = totalBBs - completedBBs;
 135         String statusMessage = this.getStatusMessage(completedBB.getBuildingBlock().getBpmnFlowName(),
 136                 nextBB.getBuildingBlock().getBpmnFlowName(), completedBBs, remainingBBs);
 137         Long percentProgress = this.getPercentProgress(completedBBs, totalBBs);
 138         request.setFlowStatus(statusMessage);
 139         request.setProgress(percentProgress);
 140         request.setLastModifiedBy("CamundaBPMN");
 141         return request;
 142     }
 143
 144     protected Long getPercentProgress(int completedBBs, int totalBBs) {
 145         double ratio = (completedBBs / (totalBBs * 1.0));
 146         int percentProgress = (int) (ratio * 95);
 147         return new Long(percentProgress + 5);
 148     }
 149
 150     protected String getStatusMessage(String completedBB, String nextBB, int completedBBs, int remainingBBs) {
 151         return "Execution of " + completedBB + " has completed successfully, next invoking " + nextBB
 152                 + " (Execution Path progress: BBs completed = " + completedBBs + "; BBs remaining = " + remainingBBs
 153                 + ").";
 154     }
 155
 156     public void sendSyncAck(DelegateExecution execution) {
 157         final String requestId = (String) execution.getVariable(G_REQUEST_ID);
 158         final String resourceId = (String) execution.getVariable("resourceId");
 159         ServiceInstancesResponse serviceInstancesResponse = new ServiceInstancesResponse();
 160         RequestReferences requestRef = new RequestReferences();
 161         requestRef.setInstanceId(resourceId);
 162         requestRef.setRequestId(requestId);
 163         serviceInstancesResponse.setRequestReferences(requestRef);
 164         ObjectMapper mapper = new ObjectMapper();
 165         String jsonRequest = "";
 166         try {
 167             jsonRequest = mapper.writeValueAsString(serviceInstancesResponse);
 168         } catch (JsonProcessingException e) {
 169             workflowAction.buildAndThrowException(execution,
 170                     "Could not marshall ServiceInstancesRequest to Json string to respond to API Handler.", e);
 171         }
 172         WorkflowCallbackResponse callbackResponse = new WorkflowCallbackResponse();
 173         callbackResponse.setStatusCode(200);
 174         callbackResponse.setMessage("Success");
 175         callbackResponse.setResponse(jsonRequest);
 176         String processKey = execution.getProcessEngineServices().getRepositoryService()
 177                 .getProcessDefinition(execution.getProcessDefinitionId()).getKey();
 178         WorkflowContextHolder.getInstance().processCallback(processKey, execution.getProcessInstanceId(), requestId,
 179                 callbackResponse);
 180         logger.info("Successfully sent sync ack.");
 181         updateInstanceId(execution);
 182     }
 183
 184     public void sendErrorSyncAck(DelegateExecution execution) {
 185         final String requestId = (String) execution.getVariable(G_REQUEST_ID);
 186         try {
 187             ExceptionBuilder exceptionBuilder = new ExceptionBuilder();
 188             String errorMsg = (String) execution.getVariable("WorkflowActionErrorMessage");
 189             if (errorMsg == null) {
 190                 errorMsg = "WorkflowAction failed unexpectedly.";
 191             }
 192             String processKey = exceptionBuilder.getProcessKey(execution);
 193             String buildworkflowException =
 194                     "<aetgt:WorkflowException xmlns:aetgt=\"http://org.onap/so/workflow/schema/v1\"><aetgt:ErrorMessage>"
 195                             + errorMsg
 196                             + "</aetgt:ErrorMessage><aetgt:ErrorCode>7000</aetgt:ErrorCode></aetgt:WorkflowException>";
 197             WorkflowCallbackResponse callbackResponse = new WorkflowCallbackResponse();
 198             callbackResponse.setStatusCode(500);
 199             callbackResponse.setMessage("Fail");
 200             callbackResponse.setResponse(buildworkflowException);
 201             WorkflowContextHolder.getInstance().processCallback(processKey, execution.getProcessInstanceId(), requestId,
 202                     callbackResponse);
 203             execution.setVariable("sentSyncResponse", true);
 204         } catch (Exception ex) {
 205             logger.error(" Sending Sync Error Activity Failed. {}", ex.getMessage(), ex);
 206         }
 207     }
 208
 209     public void updateRequestStatusToComplete(DelegateExecution execution) {
 210         try {
 211             final String requestId = (String) execution.getVariable(G_REQUEST_ID);
 212             InfraActiveRequests request = requestDbclient.getInfraActiveRequestbyRequestId(requestId);
 213             final String action = (String) execution.getVariable(G_ACTION);
 214             final boolean aLaCarte = (boolean) execution.getVariable(G_ALACARTE);
 215             final String resourceName = (String) execution.getVariable("resourceName");
 216             String statusMessage = (String) execution.getVariable("StatusMessage");
 217             String macroAction = "";
 218             if (statusMessage == null) {
 219                 if (aLaCarte) {
 220                     macroAction = "ALaCarte-" + resourceName + "-" + action + " request was executed correctly.";
 221                 } else {
 222                     macroAction = "Macro-" + resourceName + "-" + action + " request was executed correctly.";
 223                 }
 224             } else {
 225                 macroAction = statusMessage;
 226             }
 227             execution.setVariable("finalStatusMessage", macroAction);
 228             Timestamp endTime = new Timestamp(System.currentTimeMillis());
 229             request.setEndTime(endTime);
 230             request.setFlowStatus("Successfully completed all Building Blocks");
 231             request.setStatusMessage(macroAction);
 232             request.setProgress(Long.valueOf(100));
 233             request.setRequestStatus("COMPLETE");
 234             request.setLastModifiedBy("CamundaBPMN");
 235             requestsDbListener.post(request, new DelegateExecutionImpl(execution));
 236             requestDbclient.updateInfraActiveRequests(request);
 237         } catch (Exception ex) {
 238             workflowAction.buildAndThrowException(execution, "Error Updating Request Database", ex);
 239         }
 240     }
 241
 242     public void checkRetryStatus(DelegateExecution execution) {
 243         String handlingCode = (String) execution.getVariable(HANDLINGCODE);
 244         String requestId = (String) execution.getVariable(G_REQUEST_ID);
 245         String retryDuration = (String) execution.getVariable("RetryDuration");
 246         int retryCount = (int) execution.getVariable(RETRY_COUNT);
 247         int envMaxRetries;
 248         try {
 249             envMaxRetries = Integer.parseInt(this.environment.getProperty(maxRetries));
 250         } catch (Exception ex) {
 251             logger.error("Could not read maxRetries from config file. Setting max to 5 retries", ex);
 252             envMaxRetries = 5;
 253         }
 254         int nextCount = retryCount + 1;
 255         if ("Retry".equals(handlingCode)) {
 256             workflowActionBBFailure.updateRequestErrorStatusMessage(execution);
 257             try {
 258                 InfraActiveRequests request = requestDbclient.getInfraActiveRequestbyRequestId(requestId);
 259                 request.setRetryStatusMessage(
 260                         "Retry " + nextCount + "/" + envMaxRetries + " will be started in " + retryDuration);
 261                 requestDbclient.updateInfraActiveRequests(request);
 262             } catch (Exception ex) {
 263                 logger.warn("Failed to update Request Db Infra Active Requests with Retry Status", ex);
 264             }
 265             if (retryCount < envMaxRetries) {
 266                 int currSequence = (int) execution.getVariable(G_CURRENT_SEQUENCE);
 267                 execution.setVariable(G_CURRENT_SEQUENCE, currSequence - 1);
 268                 execution.setVariable(RETRY_COUNT, nextCount);
 269             } else {
 270                 workflowAction.buildAndThrowException(execution,
 271                         "Exceeded maximum retries. Ending flow with status Abort");
 272             }
 273         } else {
 274             execution.setVariable(RETRY_COUNT, 0);
 275         }
 276     }
 277
 278     /**
 279      * Rollback will only handle Create/Activate/Assign Macro flows. Execute layer will rollback the flow its currently
 280      * working on.
 281      */
 282     public void rollbackExecutionPath(DelegateExecution execution) {
 283         if (!(boolean) execution.getVariable("isRollback")) {
 284             List<ExecuteBuildingBlock> flowsToExecute =
 285                     (List<ExecuteBuildingBlock>) execution.getVariable("flowsToExecute");
 286             List<ExecuteBuildingBlock> rollbackFlows = new ArrayList();
 287             int currentSequence = (int) execution.getVariable(G_CURRENT_SEQUENCE);
 288             int listSize = flowsToExecute.size();
 289             for (int i = listSize - 1; i >= 0; i--) {
 290                 if (i > currentSequence - 1) {
 291                     flowsToExecute.remove(i);
 292                 } else {
 293                     String flowName = flowsToExecute.get(i).getBuildingBlock().getBpmnFlowName();
 294                     if (flowName.startsWith("Assign")) {
 295                         flowName = flowName.replaceFirst("Assign", "Unassign");
 296                     } else if (flowName.startsWith("Create")) {
 297                         flowName = flowName.replaceFirst("Create", "Delete");
 298                     } else if (flowName.startsWith("Activate")) {
 299                         flowName = flowName.replaceFirst("Activate", "Deactivate");
 300                     } else {
 301                         continue;
 302                     }
 303                     flowsToExecute.get(i).getBuildingBlock().setBpmnFlowName(flowName);
 304                     rollbackFlows.add(flowsToExecute.get(i));
 305                 }
 306             }
 307
 308             String handlingCode = (String) execution.getVariable(HANDLINGCODE);
 309             List<ExecuteBuildingBlock> rollbackFlowsFiltered = new ArrayList<>();
 310             rollbackFlowsFiltered.addAll(rollbackFlows);
 311             if ("RollbackToAssigned".equals(handlingCode) || ROLLBACKTOCREATED.equals(handlingCode)) {
 312                 for (int i = 0; i < rollbackFlows.size(); i++) {
 313                     if (rollbackFlows.get(i).getBuildingBlock().getBpmnFlowName().contains("Unassign")) {
 314                         rollbackFlowsFiltered.remove(rollbackFlows.get(i));
 315                     } else if (rollbackFlows.get(i).getBuildingBlock().getBpmnFlowName().contains("Delete")
 316                             && ROLLBACKTOCREATED.equals(handlingCode)) {
 317                         rollbackFlowsFiltered.remove(rollbackFlows.get(i));
 318                     }
 319                 }
 320             }
 321
 322             workflowActionBBFailure.updateRequestErrorStatusMessage(execution);
 323             if (rollbackFlows.isEmpty())
 324                 execution.setVariable("isRollbackNeeded", false);
 325             else
 326                 execution.setVariable("isRollbackNeeded", true);
 327             execution.setVariable("flowsToExecute", rollbackFlowsFiltered);
 328             execution.setVariable(HANDLINGCODE, "PreformingRollback");
 329             execution.setVariable("isRollback", true);
 330             execution.setVariable(G_CURRENT_SEQUENCE, 0);
 331             execution.setVariable(RETRY_COUNT, 0);
 332         } else {
 333             workflowAction.buildAndThrowException(execution,
 334                     "Rollback has already been called. Cannot rollback a request that is currently in the rollback state.");
 335         }
 336     }
 337
 338     protected void updateInstanceId(DelegateExecution execution) {
 339         try {
 340             String requestId = (String) execution.getVariable(G_REQUEST_ID);
 341             String resourceId = (String) execution.getVariable("resourceId");
 342             WorkflowType resourceType = (WorkflowType) execution.getVariable("resourceType");
 343             InfraActiveRequests request = requestDbclient.getInfraActiveRequestbyRequestId(requestId);
 344             if (resourceType == WorkflowType.SERVICE) {
 345                 request.setServiceInstanceId(resourceId);
 346             } else if (resourceType == WorkflowType.VNF) {
 347                 request.setVnfId(resourceId);
 348             } else if (resourceType == WorkflowType.VFMODULE) {
 349                 request.setVfModuleId(resourceId);
 350             } else if (resourceType == WorkflowType.VOLUMEGROUP) {
 351                 request.setVolumeGroupId(resourceId);
 352             } else if (resourceType == WorkflowType.NETWORK) {
 353                 request.setNetworkId(resourceId);
 354             } else if (resourceType == WorkflowType.CONFIGURATION) {
 355                 request.setConfigurationId(resourceId);
 356             } else if (resourceType == WorkflowType.INSTANCE_GROUP) {
 357                 request.setInstanceGroupId(resourceId);
 358             }
 359             requestDbclient.updateInfraActiveRequests(request);
 360         } catch (Exception ex) {
 361             logger.error("Exception in updateInstanceId", ex);
 362             workflowAction.buildAndThrowException(execution, "Failed to update Request db with instanceId");
 363         }
 364     }
 365
 366     public void postProcessingExecuteBB(DelegateExecution execution) {
 367         List<ExecuteBuildingBlock> flowsToExecute =
 368                 (List<ExecuteBuildingBlock>) execution.getVariable("flowsToExecute");
 369         String handlingCode = (String) execution.getVariable(HANDLINGCODE);
 370         final boolean aLaCarte = (boolean) execution.getVariable(G_ALACARTE);
 371         int currentSequence = (int) execution.getVariable(G_CURRENT_SEQUENCE);
 372         ExecuteBuildingBlock ebb = flowsToExecute.get(currentSequence - 1);
 373         String bbFlowName = ebb.getBuildingBlock().getBpmnFlowName();
 374         if ("ActivateVfModuleBB".equalsIgnoreCase(bbFlowName) && aLaCarte && "Success".equalsIgnoreCase(handlingCode)) {
 375             postProcessingExecuteBBActivateVfModule(execution, ebb, flowsToExecute);
 376         }
 377     }
 378
 379     protected void postProcessingExecuteBBActivateVfModule(DelegateExecution execution, ExecuteBuildingBlock ebb,
 380             List<ExecuteBuildingBlock> flowsToExecute) {
 381         try {
 382             String serviceInstanceId = ebb.getWorkflowResourceIds().getServiceInstanceId();
 383             String vnfId = ebb.getWorkflowResourceIds().getVnfId();
 384             String vfModuleId = ebb.getResourceId();
 385             ebb.getWorkflowResourceIds().setVfModuleId(vfModuleId);
 386             String serviceModelUUID =
 387                     bbInputSetupUtils.getAAIServiceInstanceById(serviceInstanceId).getModelVersionId();
 388             String vnfCustomizationUUID = bbInputSetupUtils.getAAIGenericVnf(vnfId).getModelCustomizationId();
 389             String vfModuleCustomizationUUID =
 390                     bbInputSetupUtils.getAAIVfModule(vnfId, vfModuleId).getModelCustomizationId();
 391             List<Vnfc> vnfcs =
 392                     workflowAction.getRelatedResourcesInVfModule(vnfId, vfModuleId, Vnfc.class, AAIObjectType.VNFC);
 393             logger.debug("Vnfc Size: {}", vnfcs.size());
 394             for (Vnfc vnfc : vnfcs) {
 395                 String modelCustomizationId = vnfc.getModelCustomizationId();
 396                 logger.debug("Processing Vnfc: {}", modelCustomizationId);
 397                 CvnfcConfigurationCustomization fabricConfig = catalogDbClient.getCvnfcCustomization(serviceModelUUID,
 398                         vnfCustomizationUUID, vfModuleCustomizationUUID, modelCustomizationId);
 399                 if (fabricConfig != null && fabricConfig.getConfigurationResource() != null
 400                         && fabricConfig.getConfigurationResource().getToscaNodeType() != null
 401                         && fabricConfig.getConfigurationResource().getToscaNodeType().contains(FABRIC_CONFIGURATION)) {
 402                     String configurationId = getConfigurationId(vnfc);
 403                     ConfigurationResourceKeys configurationResourceKeys = new ConfigurationResourceKeys();
 404                     configurationResourceKeys.setCvnfcCustomizationUUID(modelCustomizationId);
 405                     configurationResourceKeys.setVfModuleCustomizationUUID(vfModuleCustomizationUUID);
 406                     configurationResourceKeys.setVnfResourceCustomizationUUID(vnfCustomizationUUID);
 407                     configurationResourceKeys.setVnfcName(vnfc.getVnfcName());
 408                     ExecuteBuildingBlock assignConfigBB = getExecuteBBForConfig(ASSIGN_FABRIC_CONFIGURATION_BB, ebb,
 409                             configurationId, configurationResourceKeys);
 410                     ExecuteBuildingBlock activateConfigBB = getExecuteBBForConfig(ACTIVATE_FABRIC_CONFIGURATION_BB, ebb,
 411                             configurationId, configurationResourceKeys);
 412                     flowsToExecute.add(assignConfigBB);
 413                     flowsToExecute.add(activateConfigBB);
 414                     flowsToExecute.stream()
 415                             .forEach(executeBB -> logger.info("Flows to Execute After Post Processing: {}",
 416                                     executeBB.getBuildingBlock().getBpmnFlowName()));
 417                     execution.setVariable("flowsToExecute", flowsToExecute);
 418                     execution.setVariable(COMPLETED, false);
 419                 } else {
 420                     logger.debug("No cvnfcCustomization found for customizationId: {}", modelCustomizationId);
 421                 }
 422             }
 423         } catch (EntityNotFoundException e) {
 424             logger.debug("Will not be running Fabric Config Building Blocks", e);
 425         } catch (Exception e) {
 426             String errorMessage = "Error occurred in post processing of Vf Module create";
 427             execution.setVariable(HANDLINGCODE, ROLLBACKTOCREATED);
 428             execution.setVariable("WorkflowActionErrorMessage", errorMessage);
 429             logger.error(errorMessage, e);
 430         }
 431     }
 432
 433     protected String getConfigurationId(Vnfc vnfc) {
 434         List<Configuration> configurations =
 435                 workflowAction.getRelatedResourcesInVnfc(vnfc, Configuration.class, AAIObjectType.CONFIGURATION);
 436         if (!configurations.isEmpty()) {
 437             Configuration configuration = configurations.get(0);
 438             return configuration.getConfigurationId();
 439         } else {
 440             return UUID.randomUUID().toString();
 441         }
 442     }
 443
 444     protected ExecuteBuildingBlock getExecuteBBForConfig(String bbName, ExecuteBuildingBlock ebb,
 445             String configurationId, ConfigurationResourceKeys configurationResourceKeys) {
 446         ExecuteBuildingBlock configBB = new ExecuteBuildingBlock();
 447         BuildingBlock buildingBlock = new BuildingBlock();
 448         buildingBlock.setBpmnFlowName(bbName);
 449         buildingBlock.setMsoId(UUID.randomUUID().toString());
 450         configBB.setaLaCarte(ebb.isaLaCarte());
 451         configBB.setApiVersion(ebb.getApiVersion());
 452         configBB.setRequestAction(ebb.getRequestAction());
 453         configBB.setVnfType(ebb.getVnfType());
 454         configBB.setRequestId(ebb.getRequestId());
 455         configBB.setRequestDetails(ebb.getRequestDetails());
 456         configBB.setBuildingBlock(buildingBlock);
 457         WorkflowResourceIds workflowResourceIds = ebb.getWorkflowResourceIds();
 458         workflowResourceIds.setConfigurationId(configurationId);
 459         configBB.setWorkflowResourceIds(workflowResourceIds);
 460         configBB.setConfigurationResourceKeys(configurationResourceKeys);
 461         return configBB;
 462     }
 463 }