bpmn/MSOCommonBPMN/src/main/java/org/onap/so/bpmn/servicedecomposition/tasks/ExecuteBuildingBlockRainyDay.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 - 2018 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Modifications Copyright (c) 2019 Samsung
   8  * ================================================================================
   9  * Licensed under the Apache License, Version 2.0 (the "License");
  10  * you may not use this file except in compliance with the License.
  11  * You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.so.bpmn.servicedecomposition.tasks;
  24
  25 import java.util.Map;
  26 import org.camunda.bpm.engine.delegate.BpmnError;
  27 import org.camunda.bpm.engine.delegate.DelegateExecution;
  28 import org.onap.so.bpmn.core.WorkflowException;
  29 import org.onap.so.bpmn.servicedecomposition.bbobjects.GenericVnf;
  30 import org.onap.so.bpmn.servicedecomposition.entities.ExecuteBuildingBlock;
  31 import org.onap.so.bpmn.servicedecomposition.entities.GeneralBuildingBlock;
  32 import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
  33 import org.onap.so.db.catalog.beans.macro.RainyDayHandlerStatus;
  34 import org.onap.so.db.catalog.client.CatalogDbClient;
  35 import org.onap.so.db.request.beans.InfraActiveRequests;
  36 import org.onap.so.db.request.client.RequestsDbClient;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39 import org.springframework.beans.factory.annotation.Autowired;
  40 import org.springframework.core.env.Environment;
  41 import org.springframework.stereotype.Component;
  42
  43 @Component
  44 public class ExecuteBuildingBlockRainyDay {
  45
  46     private static final Logger logger = LoggerFactory.getLogger(ExecuteBuildingBlockRainyDay.class);
  47     public static final String HANDLING_CODE = "handlingCode";
  48
  49     @Autowired
  50     private CatalogDbClient catalogDbClient;
  51     @Autowired
  52     private RequestsDbClient requestDbclient;
  53     private static final String ASTERISK = "*";
  54
  55     @Autowired
  56     private Environment environment;
  57     protected String retryDurationPath = "mso.rainyDay.retryDurationMultiplier";
  58     protected String defaultCode = "mso.rainyDay.defaultCode";
  59     protected String maxRetries = "mso.rainyDay.maxRetries";
  60
  61     public void setRetryTimer(DelegateExecution execution) {
  62         try {
  63             int retryDurationMult = Integer.parseInt(this.environment.getProperty(retryDurationPath));
  64             int retryCount = (int) execution.getVariable("retryCount");
  65             int retryTimeToWait = (int) Math.pow(retryDurationMult, retryCount) * 10;
  66             String RetryDuration = "PT" + retryTimeToWait + "S";
  67             execution.setVariable("RetryDuration", RetryDuration);
  68         } catch (Exception e) {
  69             logger.error("Exception occurred", e);
  70             throw new BpmnError("Unknown error incrementing retry counter");
  71         }
  72     }
  73
  74     public void queryRainyDayTable(DelegateExecution execution, boolean primaryPolicy) {
  75         try {
  76             ExecuteBuildingBlock ebb = (ExecuteBuildingBlock) execution.getVariable("buildingBlock");
  77             String bbName = ebb.getBuildingBlock().getBpmnFlowName();
  78             GeneralBuildingBlock gBBInput = (GeneralBuildingBlock) execution.getVariable("gBBInput");
  79             String requestId = (String) execution.getVariable("mso-request-id");
  80             Map<ResourceKey, String> lookupKeyMap = (Map<ResourceKey, String>) execution.getVariable("lookupKeyMap");
  81             String serviceType = ASTERISK;
  82             boolean aLaCarte = (boolean) execution.getVariable("aLaCarte");
  83             boolean suppressRollback = (boolean) execution.getVariable("suppressRollback");
  84             String handlingCode = "";
  85
  86             WorkflowException workflowException = (WorkflowException) execution.getVariable("WorkflowException");
  87             try {
  88                 // Extract error data to be returned to WorkflowAction
  89                 execution.setVariable("WorkflowExceptionErrorMessage", workflowException.getErrorMessage());
  90             } catch (Exception e) {
  91                 logger.error("No WorkflowException Found", e);
  92             }
  93
  94             if (suppressRollback) {
  95                 handlingCode = "Abort";
  96             } else {
  97                 try {
  98                     serviceType = gBBInput.getCustomer().getServiceSubscription().getServiceInstances().get(0)
  99                             .getModelInfoServiceInstance().getServiceType();
 100                 } catch (Exception ex) {
 101                     // keep default serviceType value
 102                 }
 103                 String vnfType = ASTERISK;
 104                 try {
 105                     for (GenericVnf vnf : gBBInput.getCustomer().getServiceSubscription().getServiceInstances().get(0)
 106                             .getVnfs()) {
 107                         if (vnf.getVnfId().equalsIgnoreCase(lookupKeyMap.get(ResourceKey.GENERIC_VNF_ID))) {
 108                             vnfType = vnf.getVnfType();
 109                         }
 110                     }
 111                 } catch (Exception ex) {
 112                     // keep default vnfType value
 113                 }
 114
 115                 String errorCode = ASTERISK;
 116                 try {
 117                     errorCode = "" + workflowException.getErrorCode();
 118                 } catch (Exception ex) {
 119                     // keep default errorCode value
 120                 }
 121                 try {
 122                     errorCode = "" + (String) execution.getVariable("WorkflowExceptionCode");
 123                 } catch (Exception ex) {
 124                     // keep default errorCode value
 125                 }
 126
 127                 String workStep = ASTERISK;
 128                 try {
 129                     workStep = workflowException.getWorkStep();
 130                 } catch (Exception ex) {
 131                     // keep default workStep value
 132                 }
 133
 134                 RainyDayHandlerStatus rainyDayHandlerStatus;
 135                 rainyDayHandlerStatus = catalogDbClient
 136                         .getRainyDayHandlerStatusByFlowNameAndServiceTypeAndVnfTypeAndErrorCodeAndWorkStep(bbName,
 137                                 serviceType, vnfType, errorCode, workStep);
 138                 if (rainyDayHandlerStatus == null) {
 139                     rainyDayHandlerStatus = catalogDbClient
 140                             .getRainyDayHandlerStatusByFlowNameAndServiceTypeAndVnfTypeAndErrorCodeAndWorkStep(bbName,
 141                                     ASTERISK, ASTERISK, errorCode, ASTERISK);
 142                 }
 143
 144                 if (rainyDayHandlerStatus == null) {
 145                     rainyDayHandlerStatus = catalogDbClient
 146                             .getRainyDayHandlerStatusByFlowNameAndServiceTypeAndVnfTypeAndErrorCodeAndWorkStep(bbName,
 147                                     ASTERISK, ASTERISK, ASTERISK, ASTERISK);
 148                     if (rainyDayHandlerStatus == null) {
 149                         handlingCode = "Abort";
 150                     } else {
 151                         if (primaryPolicy) {
 152                             handlingCode = rainyDayHandlerStatus.getPolicy();
 153                         } else {
 154                             handlingCode = rainyDayHandlerStatus.getSecondaryPolicy();
 155                         }
 156                     }
 157                 } else {
 158                     if (primaryPolicy) {
 159                         handlingCode = rainyDayHandlerStatus.getPolicy();
 160                     } else {
 161                         handlingCode = rainyDayHandlerStatus.getSecondaryPolicy();
 162                     }
 163                 }
 164                 if (!primaryPolicy) {
 165                     try {
 166                         InfraActiveRequests request = requestDbclient.getInfraActiveRequestbyRequestId(requestId);
 167                         request.setRetryStatusMessage("Retries have been exhausted.");
 168                         requestDbclient.updateInfraActiveRequests(request);
 169                     } catch (Exception ex) {
 170                         logger.error("Failed to update Request Db Infra Active Requests with Retry Status", ex);
 171                     }
 172                 }
 173                 if (handlingCode.equals("RollbackToAssigned") && !aLaCarte) {
 174                     handlingCode = "Rollback";
 175                 }
 176             }
 177             logger.debug("RainyDayHandler Status Code is: {}", handlingCode);
 178             execution.setVariable(HANDLING_CODE, handlingCode);
 179         } catch (Exception e) {
 180             String code = this.environment.getProperty(defaultCode);
 181             logger.error("Failed to determine RainyDayHandler Status. Seting handlingCode = {}", code, e);
 182             execution.setVariable(HANDLING_CODE, code);
 183         }
 184         try {
 185             int envMaxRetries = Integer.parseInt(this.environment.getProperty(maxRetries));
 186             execution.setVariable("maxRetries", envMaxRetries);
 187         } catch (Exception ex) {
 188             logger.error("Could not read maxRetries from config file. Setting max to 5 retries");
 189             execution.setVariable("maxRetries", 5);
 190         }
 191     }
 192
 193     public void setHandlingStatusSuccess(DelegateExecution execution) {
 194         execution.setVariable(HANDLING_CODE, "Success");
 195     }
 196 }