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 org.camunda.bpm.application.PostDeploy;
  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.data.repository.WorkflowRepository;
  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.boot.autoconfigure.domain.EntityScan;
  43 import org.springframework.context.annotation.Bean;
  44 import org.springframework.context.annotation.ComponentScan;
  45 import org.springframework.context.annotation.ComponentScan.Filter;
  46 import org.springframework.context.annotation.FilterType;
  47 import org.springframework.context.annotation.Primary;
  48 import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
  49 import org.springframework.scheduling.annotation.EnableAsync;
  50 import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
  51
  52 /**
  53  * @since Version 1.0
  54  *
  55  */
  56
  57 @SpringBootApplication
  58 @EnableAsync
  59 @EnableJpaRepositories("org.onap.so.db.catalog.data.repository")
  60 @EntityScan({"org.onap.so.db.catalog.beans"})
  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
  68     @Autowired
  69     private WorkflowRepository workflowRepository;
  70
  71     @Value("${mso.async.core-pool-size}")
  72     private int corePoolSize;
  73
  74     @Value("${mso.async.max-pool-size}")
  75     private int maxPoolSize;
  76
  77     @Value("${mso.async.queue-capacity}")
  78     private int queueCapacity;
  79
  80     private static final String LOGS_DIR = "logs_dir";
  81     private static final String BPMN_SUFFIX = ".bpmn";
  82
  83
  84     private static void setLogsDir() {
  85         if (System.getProperty(LOGS_DIR) == null) {
  86             System.getProperties().setProperty(LOGS_DIR, "./logs/bpmn/");
  87         }
  88     }
  89
  90     public static void main(String... args) {
  91         SpringApplication.run(MSOInfrastructureApplication.class, args);
  92         System.getProperties().setProperty("mso.config.path", ".");
  93         setLogsDir();
  94     }
  95
  96     @PostDeploy
  97     public void postDeploy(ProcessEngine processEngineInstance) {
  98         DeploymentBuilder deploymentBuilder = processEngineInstance.getRepositoryService().createDeployment();
  99         deployCustomWorkflows(deploymentBuilder);
 100     }
 101
 102     @PreUndeploy
 103     public void cleanup(ProcessEngine processEngine, ProcessApplicationInfo processApplicationInfo,
 104             List<ProcessEngine> processEngines) {}
 105
 106     @Bean
 107     @Primary
 108     public Executor asyncExecutor() {
 109         ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
 110         executor.setTaskDecorator(new MDCTaskDecorator());
 111         executor.setCorePoolSize(corePoolSize);
 112         executor.setMaxPoolSize(maxPoolSize);
 113         executor.setQueueCapacity(queueCapacity);
 114         executor.setThreadNamePrefix("Camunda-");
 115         executor.initialize();
 116         return executor;
 117     }
 118
 119     public void deployCustomWorkflows(DeploymentBuilder deploymentBuilder) {
 120         if (workflowRepository == null) {
 121             return;
 122         }
 123         List<Workflow> workflows = workflowRepository.findAll();
 124         if (workflows != null && workflows.size() != 0) {
 125             for (Workflow workflow : workflows) {
 126                 String workflowName = workflow.getName();
 127                 String workflowBody = workflow.getBody();
 128                 if (!workflowName.endsWith(BPMN_SUFFIX)) {
 129                     workflowName += BPMN_SUFFIX;
 130                 }
 131                 if (workflowBody != null) {
 132                     logger.info("{} {}", "Deploying custom workflow", workflowName);
 133                     deploymentBuilder.addString(workflowName, workflowBody);
 134                 }
 135             }
 136             deploymentBuilder.deploy();
 137         }
 138     }
 139 }