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.repository.DeploymentBuilder;
  32 import org.onap.so.bpmn.common.DefaultToShortClassNameBeanNameGenerator;
  33 import org.onap.so.db.catalog.beans.Workflow;
  34 import org.onap.so.db.catalog.client.CatalogDbClient;
  35 import org.onap.so.logging.jaxrs.filter.MDCTaskDecorator;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38 import org.springframework.beans.factory.annotation.Autowired;
  39 import org.springframework.beans.factory.annotation.Value;
  40 import org.springframework.boot.SpringApplication;
  41 import org.springframework.boot.autoconfigure.SpringBootApplication;
  42 import org.springframework.context.annotation.Bean;
  43 import org.springframework.context.annotation.ComponentScan;
  44 import org.springframework.context.annotation.ComponentScan.Filter;
  45 import org.springframework.context.annotation.FilterType;
  46 import org.springframework.context.annotation.Primary;
  47 import org.springframework.scheduling.annotation.EnableAsync;
  48 import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
  49
  50 /**
  51  * @since Version 1.0
  52  *
  53  */
  54
  55 @SpringBootApplication
  56 @EnableAsync
  57 @ComponentScan(basePackages = {"org.onap"}, nameGenerator = DefaultToShortClassNameBeanNameGenerator.class,
  58         excludeFilters = {@Filter(type = FilterType.ANNOTATION, classes = SpringBootApplication.class)})
  59
  60 public class MSOInfrastructureApplication {
  61
  62     private static final Logger logger = LoggerFactory.getLogger(MSOInfrastructureApplication.class);
  63     @Autowired
  64     private ProcessEngine processEngine;
  65
  66     @Autowired
  67     private CatalogDbClient catalogDbClient;
  68
  69     @Value("${mso.async.core-pool-size}")
  70     private int corePoolSize;
  71
  72     @Value("${mso.async.max-pool-size}")
  73     private int maxPoolSize;
  74
  75     @Value("${mso.async.queue-capacity}")
  76     private int queueCapacity;
  77
  78     private static final String LOGS_DIR = "logs_dir";
  79     private static final String BPMN_SUFFIX = ".bpmn";
  80     private static final String SDC_SOURCE = "sdc";
  81
  82
  83     private static void setLogsDir() {
  84         if (System.getProperty(LOGS_DIR) == null) {
  85             System.getProperties().setProperty(LOGS_DIR, "./logs/bpmn/");
  86         }
  87     }
  88
  89     public static void main(String... args) {
  90         SpringApplication.run(MSOInfrastructureApplication.class, args);
  91         System.getProperties().setProperty("mso.config.path", ".");
  92         setLogsDir();
  93     }
  94
  95     @PostConstruct
  96     public void postConstruct() {
  97         try {
  98             DeploymentBuilder deploymentBuilder = processEngine.getRepositoryService().createDeployment();
  99             deployCustomWorkflows(deploymentBuilder);
 100         } catch (Exception e) {
 101             logger.warn("Unable to invoke deploymentBuilder: " + e.getMessage());
 102         }
 103     }
 104
 105     @PreUndeploy
 106     public void cleanup(ProcessEngine processEngine, ProcessApplicationInfo processApplicationInfo,
 107             List<ProcessEngine> processEngines) {}
 108
 109     @Bean
 110     @Primary
 111     public Executor asyncExecutor() {
 112         ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
 113         executor.setTaskDecorator(new MDCTaskDecorator());
 114         executor.setCorePoolSize(corePoolSize);
 115         executor.setMaxPoolSize(maxPoolSize);
 116         executor.setQueueCapacity(queueCapacity);
 117         executor.setThreadNamePrefix("Camunda-");
 118         executor.initialize();
 119         return executor;
 120     }
 121
 122     public void deployCustomWorkflows(DeploymentBuilder deploymentBuilder) {
 123         logger.debug("Attempting to deploy custom workflows");
 124         try {
 125             List<Workflow> workflows = catalogDbClient.findWorkflowBySource(SDC_SOURCE);
 126             if (workflows != null && workflows.size() != 0) {
 127                 for (Workflow workflow : workflows) {
 128                     String workflowName = workflow.getName();
 129                     String workflowBody = workflow.getBody();
 130                     if (!workflowName.endsWith(BPMN_SUFFIX)) {
 131                         workflowName += BPMN_SUFFIX;
 132                     }
 133                     if (workflowBody != null) {
 134                         logger.info("{} {}", "Deploying custom workflow", workflowName);
 135                         deploymentBuilder.addString(workflowName, workflowBody);
 136                     }
 137                 }
 138                 deploymentBuilder.enableDuplicateFiltering(true);
 139                 deploymentBuilder.deploy();
 140             }
 141         } catch (Exception e) {
 142             logger.warn("Unable to deploy custom workflows, " + e.getMessage());
 143         }
 144     }
 145 }