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             WorkflowException workflowException = (WorkflowException) execution.getVariable("WorkflowException");
  85             if (workflowException != null) {
  86                 execution.setVariable("WorkflowExceptionErrorMessage", workflowException.getErrorMessage());
  87             } else {
  88                 logger.debug("WorkflowException is null, unable to set WorkflowExceptionErrorMessage");
  89             }
  90             String handlingCode = "";
  91
  92             if (suppressRollback) {
  93                 handlingCode = "Abort";
  94             } else {
  95                 try {
  96                     serviceType = gBBInput.getCustomer().getServiceSubscription().getServiceInstances().get(0)
  97                             .getModelInfoServiceInstance().getServiceType();
  98                     if (serviceType == null || serviceType.isEmpty()) {
  99                         serviceType = ASTERISK;
 100                     }
 101                 } catch (Exception ex) {
 102                     // keep default serviceType value
 103                 }
 104                 String vnfType = ASTERISK;
 105                 try {
 106                     for (GenericVnf vnf : gBBInput.getCustomer().getServiceSubscription().getServiceInstances().get(0)
 107                             .getVnfs()) {
 108                         if (vnf.getVnfId().equalsIgnoreCase(lookupKeyMap.get(ResourceKey.GENERIC_VNF_ID))) {
 109                             vnfType = vnf.getVnfType();
 110                         }
 111                     }
 112                 } catch (Exception ex) {
 113                     // keep default vnfType value
 114                 }
 115
 116                 String errorCode = ASTERISK;
 117                 try {
 118                     errorCode = "" + workflowException.getErrorCode();
 119                 } catch (Exception ex) {
 120                     // keep default errorCode value
 121                 }
 122
 123                 try {
 124                     errorCode = "" + (String) execution.getVariable("WorkflowExceptionCode");
 125                 } catch (Exception ex) {
 126                     // keep default errorCode value
 127                 }
 128
 129                 String workStep = ASTERISK;
 130                 try {
 131                     workStep = workflowException.getWorkStep();
 132                 } catch (Exception ex) {
 133                     // keep default workStep value
 134                 }
 135
 136                 String errorMessage = ASTERISK;
 137                 try {
 138                     errorMessage = workflowException.getErrorMessage();
 139                 } catch (Exception ex) {
 140                     // keep default workStep value
 141                 }
 142
 143                 RainyDayHandlerStatus rainyDayHandlerStatus;
 144                 rainyDayHandlerStatus = catalogDbClient.getRainyDayHandlerStatus(bbName, serviceType, vnfType,
 145                         errorCode, workStep, errorMessage);
 146
 147                 if (rainyDayHandlerStatus == null) {
 148                     handlingCode = "Abort";
 149                 } else {
 150                     if (primaryPolicy) {
 151                         handlingCode = rainyDayHandlerStatus.getPolicy();
 152                     } else {
 153                         handlingCode = rainyDayHandlerStatus.getSecondaryPolicy();
 154                     }
 155                 }
 156                 if (!primaryPolicy) {
 157                     try {
 158                         InfraActiveRequests request = requestDbclient.getInfraActiveRequestbyRequestId(requestId);
 159                         request.setRetryStatusMessage("Retries have been exhausted.");
 160                         requestDbclient.updateInfraActiveRequests(request);
 161                     } catch (Exception ex) {
 162                         logger.error("Failed to update Request Db Infra Active Requests with Retry Status", ex);
 163                     }
 164                 }
 165                 if (handlingCode.equals("RollbackToAssigned") && !aLaCarte) {
 166                     handlingCode = "Rollback";
 167                 }
 168             }
 169             logger.debug("RainyDayHandler Status Code is: {}", handlingCode);
 170             execution.setVariable(HANDLING_CODE, handlingCode);
 171         } catch (Exception e) {
 172             String code = this.environment.getProperty(defaultCode);
 173             logger.error("Failed to determine RainyDayHandler Status. Seting handlingCode = {}", code, e);
 174             execution.setVariable(HANDLING_CODE, code);
 175         }
 176         try {
 177             int envMaxRetries = Integer.parseInt(this.environment.getProperty(maxRetries));
 178             execution.setVariable("maxRetries", envMaxRetries);
 179         } catch (Exception ex) {
 180             logger.error("Could not read maxRetries from config file. Setting max to 5 retries");
 181             execution.setVariable("maxRetries", 5);
 182         }
 183     }
 184
 185     public void setHandlingStatusSuccess(DelegateExecution execution) {
 186         execution.setVariable(HANDLING_CODE, "Success");
 187     }
 188 }