gerrit.onap Code Review - so.git/blob

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