bpmn/mso-infrastructure-bpmn/src/main/java/org/onap/so/bpmn/infrastructure/MSOInfrastructureApplication.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 2017 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.infrastructure;
  24
  25 import java.util.List;
  26 import java.util.concurrent.Executor;
  27 import javax.annotation.PostConstruct;
  28 import org.camunda.bpm.application.PreUndeploy;
  29 import org.camunda.bpm.application.ProcessApplicationInfo;
  30 import org.camunda.bpm.engine.ProcessEngine;
  31 import org.camunda.bpm.engine.RepositoryService;
  32 import org.camunda.bpm.engine.repository.Deployment;
  33 import org.camunda.bpm.engine.repository.DeploymentBuilder;
  34 import org.camunda.bpm.engine.repository.ProcessDefinition;
  35 import org.onap.logging.filter.spring.MDCTaskDecorator;
  36 import org.onap.so.bpmn.common.DefaultToShortClassNameBeanNameGenerator;
  37 import org.onap.so.db.catalog.beans.Workflow;
  38 import org.onap.so.db.catalog.client.CatalogDbClient;
  39 import org.onap.so.logger.LoggingAnchor;
  40 import org.slf4j.Logger;
  41 import org.slf4j.LoggerFactory;
  42 import org.springframework.beans.factory.annotation.Autowired;
  43 import org.springframework.beans.factory.annotation.Value;
  44 import org.springframework.boot.SpringApplication;
  45 import org.springframework.boot.autoconfigure.SpringBootApplication;
  46 import org.springframework.context.annotation.Bean;
  47 import org.springframework.context.annotation.ComponentScan;
  48 import org.springframework.context.annotation.ComponentScan.Filter;
  49 import org.springframework.context.annotation.FilterType;
  50 import org.springframework.context.annotation.Primary;
  51 import org.springframework.scheduling.annotation.EnableAsync;
  52 import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
  53
  54 /**
  55  * @since Version 1.0
  56  *
  57  */
  58
  59 @SpringBootApplication
  60 @EnableAsync
  61 @ComponentScan(basePackages = {"org.onap"}, nameGenerator = DefaultToShortClassNameBeanNameGenerator.class,
  62         excludeFilters = {@Filter(type = FilterType.ANNOTATION, classes = SpringBootApplication.class)})
  63
  64 public class MSOInfrastructureApplication {
  65
  66     private static final Logger logger = LoggerFactory.getLogger(MSOInfrastructureApplication.class);
  67     @Autowired
  68     private ProcessEngine processEngine;
  69
  70     @Autowired
  71     private CatalogDbClient catalogDbClient;
  72
  73     @Value("${mso.async.core-pool-size}")
  74     private int corePoolSize;
  75
  76     @Value("${mso.async.max-pool-size}")
  77     private int maxPoolSize;
  78
  79     @Value("${mso.async.queue-capacity}")
  80     private int queueCapacity;
  81
  82     @Value("${mso.bpmn-history-ttl:14}")
  83     private Integer bpmnHistoryTtl;
  84
  85     private static final String LOGS_DIR = "logs_dir";
  86     private static final String BPMN_SUFFIX = ".bpmn";
  87     private static final String SDC_SOURCE = "sdc";
  88     private static final int CANNOT_INVOKE_COMMAND = 126;
  89
  90
  91     private static void setLogsDir() {
  92         if (System.getProperty(LOGS_DIR) == null) {
  93             System.getProperties().setProperty(LOGS_DIR, "./logs/bpmn/");
  94         }
  95     }
  96
  97     public static void main(String... args) {
  98         try {
  99             SpringApplication.run(MSOInfrastructureApplication.class, args);
 100             System.getProperties().setProperty("mso.config.path", ".");
 101             setLogsDir();
 102         } catch (Exception e) {
 103             logger.error("Exception has occurred during application startup. App will exit. ", e);
 104             System.exit(CANNOT_INVOKE_COMMAND);
 105         }
 106     }
 107
 108     @PostConstruct
 109     public void postConstruct() {
 110         try {
 111             RepositoryService repositoryService = processEngine.getRepositoryService();
 112             DeploymentBuilder deploymentBuilder = repositoryService.createDeployment();
 113             deployCustomWorkflows(deploymentBuilder);
 114             setBpmnTTL(repositoryService, bpmnHistoryTtl);
 115         } catch (Exception e) {
 116             logger.warn("Unable to invoke deploymentBuilder ", e);
 117         }
 118     }
 119
 120     @PreUndeploy
 121     public void cleanup(ProcessEngine processEngine, ProcessApplicationInfo processApplicationInfo,
 122             List<ProcessEngine> processEngines) {}
 123
 124     @Bean
 125     @Primary
 126     public Executor asyncExecutor() {
 127         ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
 128         executor.setTaskDecorator(new MDCTaskDecorator());
 129         executor.setCorePoolSize(corePoolSize);
 130         executor.setMaxPoolSize(maxPoolSize);
 131         executor.setQueueCapacity(queueCapacity);
 132         executor.setThreadNamePrefix("Camunda-");
 133         executor.initialize();
 134         return executor;
 135     }
 136
 137     public void deployCustomWorkflows(DeploymentBuilder deploymentBuilder) {
 138         logger.debug("Attempting to deploy custom workflows");
 139         try {
 140             List<Workflow> workflows = catalogDbClient.findWorkflowBySource(SDC_SOURCE);
 141             if (workflows != null && !workflows.isEmpty()) {
 142                 for (Workflow workflow : workflows) {
 143                     String workflowName = workflow.getName();
 144                     String workflowBody = workflow.getBody();
 145                     if (!workflowName.endsWith(BPMN_SUFFIX)) {
 146                         workflowName += BPMN_SUFFIX;
 147                     }
 148                     if (workflowBody != null) {
 149                         logger.info(LoggingAnchor.TWO, "Deploying custom workflow", workflowName);
 150                         deploymentBuilder.addString(workflowName, workflowBody);
 151                     }
 152                     deploymentBuilder.enableDuplicateFiltering(true);
 153                 }
 154                 deploymentBuilder.deploy();
 155             }
 156         } catch (Exception e) {
 157             logger.warn("Unable to deploy custom workflows ", e);
 158         }
 159     }
 160
 161     private void setBpmnTTL(RepositoryService repositoryService, Integer ttl) {
 162         List<Deployment> deployments = repositoryService.createDeploymentQuery().list();
 163         for (Deployment deployment : deployments) {
 164             List<ProcessDefinition> processDefinitions =
 165                     repositoryService.createProcessDefinitionQuery().deploymentId(deployment.getId()).list();
 166             for (ProcessDefinition processDefinition : processDefinitions) {
 167                 if (!ttl.equals(processDefinition.getHistoryTimeToLive())) {
 168                     logger.info("Setting ttl {} for processdefinition {}", ttl, processDefinition.getName());
 169                     repositoryService.updateProcessDefinitionHistoryTimeToLive(processDefinition.getId(), ttl);
 170                 }
 171             }
 172         }
 173     }
 174 }