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.onap.so.utils.TargetEntities;
  38 import org.onap.so.utils.TargetEntity;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41 import org.springframework.beans.factory.annotation.Autowired;
  42 import org.springframework.core.env.Environment;
  43 import org.springframework.stereotype.Component;
  44
  45 @Component
  46 public class ExecuteBuildingBlockRainyDay {
  47
  48     private static final Logger logger = LoggerFactory.getLogger(ExecuteBuildingBlockRainyDay.class);
  49     public static final String HANDLING_CODE = "handlingCode";
  50
  51     @Autowired
  52     private CatalogDbClient catalogDbClient;
  53     @Autowired
  54     private RequestsDbClient requestDbclient;
  55     private static final String ASTERISK = "*";
  56
  57     @Autowired
  58     private Environment environment;
  59     protected String retryDurationPath = "mso.rainyDay.retryDurationMultiplier";
  60     protected String defaultCode = "mso.rainyDay.defaultCode";
  61     protected String maxRetries = "mso.rainyDay.maxRetries";
  62
  63     public void setRetryTimer(DelegateExecution execution) {
  64         try {
  65             int retryDurationMult = Integer.parseInt(this.environment.getProperty(retryDurationPath));
  66             int retryCount = (int) execution.getVariable("retryCount");
  67             int retryTimeToWait = (int) Math.pow(retryDurationMult, retryCount) * 10;
  68             String RetryDuration = "PT" + retryTimeToWait + "S";
  69             execution.setVariable("RetryDuration", RetryDuration);
  70         } catch (Exception e) {
  71             logger.error("Exception occurred", e);
  72             throw new BpmnError("Unknown error incrementing retry counter");
  73         }
  74     }
  75
  76     public void queryRainyDayTable(DelegateExecution execution, boolean primaryPolicy) {
  77         try {
  78             ExecuteBuildingBlock ebb = (ExecuteBuildingBlock) execution.getVariable("buildingBlock");
  79             String bbName = ebb.getBuildingBlock().getBpmnFlowName();
  80             GeneralBuildingBlock gBBInput = (GeneralBuildingBlock) execution.getVariable("gBBInput");
  81             String requestId = (String) execution.getVariable("mso-request-id");
  82             Map<ResourceKey, String> lookupKeyMap = (Map<ResourceKey, String>) execution.getVariable("lookupKeyMap");
  83             String serviceType = ASTERISK;
  84             boolean aLaCarte = (boolean) execution.getVariable("aLaCarte");
  85             boolean suppressRollback = (boolean) execution.getVariable("suppressRollback");
  86             WorkflowException workflowException = (WorkflowException) execution.getVariable("WorkflowException");
  87             if (workflowException != null) {
  88                 execution.setVariable("WorkflowExceptionErrorMessage", workflowException.getErrorMessage());
  89             } else {
  90                 logger.debug("WorkflowException is null, unable to set WorkflowExceptionErrorMessage");
  91             }
  92             String handlingCode = "";
  93
  94             if (suppressRollback) {
  95                 handlingCode = "Abort";
  96             } else {
  97                 try {
  98                     serviceType = gBBInput.getCustomer().getServiceSubscription().getServiceInstances().get(0)
  99                             .getModelInfoServiceInstance().getServiceType();
 100                     if (serviceType == null || serviceType.isEmpty()) {
 101                         serviceType = ASTERISK;
 102                     }
 103                 } catch (Exception ex) {
 104                     // keep default serviceType value
 105                 }
 106                 String vnfType = ASTERISK;
 107                 try {
 108                     for (GenericVnf vnf : gBBInput.getCustomer().getServiceSubscription().getServiceInstances().get(0)
 109                             .getVnfs()) {
 110                         if (vnf.getVnfId().equalsIgnoreCase(lookupKeyMap.get(ResourceKey.GENERIC_VNF_ID))) {
 111                             vnfType = vnf.getVnfType();
 112                         }
 113                     }
 114                 } catch (Exception ex) {
 115                     // keep default vnfType value
 116                 }
 117
 118                 String errorCode = ASTERISK;
 119                 try {
 120                     errorCode = "" + workflowException.getErrorCode();
 121                 } catch (Exception ex) {
 122                     // keep default errorCode value
 123                 }
 124
 125                 try {
 126                     errorCode = "" + (String) execution.getVariable("WorkflowExceptionCode");
 127                 } catch (Exception ex) {
 128                     // keep default errorCode value
 129                 }
 130
 131                 String workStep = ASTERISK;
 132                 try {
 133                     workStep = workflowException.getWorkStep();
 134                 } catch (Exception ex) {
 135                     // keep default workStep value
 136                 }
 137
 138                 String errorMessage = ASTERISK;
 139                 try {
 140                     errorMessage = workflowException.getErrorMessage();
 141                 } catch (Exception ex) {
 142                     // keep default workStep value
 143                 }
 144
 145                 RainyDayHandlerStatus rainyDayHandlerStatus;
 146                 rainyDayHandlerStatus = catalogDbClient.getRainyDayHandlerStatus(bbName, serviceType, vnfType,
 147                         errorCode, workStep, errorMessage);
 148
 149                 if (rainyDayHandlerStatus == null) {
 150                     handlingCode = "Abort";
 151                 } else {
 152                     if (primaryPolicy) {
 153                         handlingCode = rainyDayHandlerStatus.getPolicy();
 154                     } else {
 155                         handlingCode = rainyDayHandlerStatus.getSecondaryPolicy();
 156                     }
 157                 }
 158                 if (!primaryPolicy) {
 159                     try {
 160                         InfraActiveRequests request = requestDbclient.getInfraActiveRequestbyRequestId(requestId);
 161                         request.setRetryStatusMessage("Retries have been exhausted.");
 162                         requestDbclient.updateInfraActiveRequests(request);
 163                     } catch (Exception ex) {
 164                         logger.error("Failed to update Request Db Infra Active Requests with Retry Status", ex);
 165                     }
 166                 }
 167                 if (handlingCode.equals("RollbackToAssigned") && !aLaCarte) {
 168                     handlingCode = "Rollback";
 169                 }
 170             }
 171             logger.debug("RainyDayHandler Status Code is: {}", handlingCode);
 172             execution.setVariable(HANDLING_CODE, handlingCode);
 173         } catch (Exception e) {
 174             String code = this.environment.getProperty(defaultCode);
 175             logger.error("Failed to determine RainyDayHandler Status. Seting handlingCode = {}", code, e);
 176             execution.setVariable(HANDLING_CODE, code);
 177         }
 178         try {
 179             int envMaxRetries = Integer.parseInt(this.environment.getProperty(maxRetries));
 180             execution.setVariable("maxRetries", envMaxRetries);
 181         } catch (Exception ex) {
 182             logger.error("Could not read maxRetries from config file. Setting max to 5 retries");
 183             execution.setVariable("maxRetries", 5);
 184         }
 185     }
 186
 187     public void setHandlingStatusSuccess(DelegateExecution execution) {
 188         execution.setVariable(HANDLING_CODE, "Success");
 189     }
 190
 191     public void updateExtSystemErrorSource(DelegateExecution execution) {
 192         try {
 193             String requestId = (String) execution.getVariable("mso-request-id");
 194             WorkflowException exception = (WorkflowException) execution.getVariable("WorkflowException");
 195             TargetEntities extSystemErrorSource = exception.getExtSystemErrorSource();
 196             InfraActiveRequests request = requestDbclient.getInfraActiveRequestbyRequestId(requestId);
 197             Boolean isRollbackFailure = (Boolean) execution.getVariable("isRollback");
 198             if (isRollbackFailure == null) {
 199                 isRollbackFailure = false;
 200             }
 201
 202             if (extSystemErrorSource != null) {
 203                 String extSystemErrorSourceString = extSystemErrorSource.toString();
 204                 if (isRollbackFailure) {
 205                     logger.debug("Updating extSystemErrorSource for isRollbackFailure to {} for request: {}",
 206                             extSystemErrorSourceString, requestId);
 207                     request.setRollbackExtSystemErrorSource(extSystemErrorSourceString);
 208                 } else {
 209                     logger.debug("Updating extSystemErrorSource to {} for request: {}", extSystemErrorSourceString,
 210                             requestId);
 211                     request.setExtSystemErrorSource(extSystemErrorSourceString);
 212                 }
 213             } else if (isRollbackFailure) {
 214                 logger.debug(
 215                         "rollbackExtSystemErrorSource is null for isRollbackFailure. Setting rollbackExtSystemErrorSource to UNKNOWN");
 216                 request.setRollbackExtSystemErrorSource(TargetEntity.UNKNOWN.toString());
 217             } else {
 218                 logger.debug("extSystemErrorSource is null. Setting extSystemErrorSource to UNKNOWN");
 219                 request.setExtSystemErrorSource(TargetEntity.UNKNOWN.toString());
 220             }
 221
 222             request.setLastModifiedBy("CamundaBPMN");
 223             requestDbclient.updateInfraActiveRequests(request);
 224         } catch (Exception e) {
 225             logger.error("Failed to update Request db with extSystemErrorSource or rollbackExtSystemErrorSource: "
 226                     + e.getMessage());
 227         }
 228     }
 229
 230 }