aai-traversal/src/main/java/org/onap/aai/util/AAIAppServletContextListener.java

   1 /**
   2  * ============LICENSE_START=======================================================
   3  * org.onap.aai
   4  * ================================================================================
   5  * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  *
  20  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  21  */
  22
  23 package org.onap.aai.util;
  24
  25 import java.io.IOException;
  26 import java.util.UUID;
  27 import javax.servlet.ServletContextEvent;
  28 import javax.servlet.ServletContextListener;
  29
  30 import org.apache.activemq.broker.BrokerService;
  31
  32 import org.onap.aai.dbmap.AAIGraph;
  33 import org.onap.aai.exceptions.AAIException;
  34 import org.onap.aai.introspection.ModelInjestor;
  35 import org.onap.aai.logging.ErrorLogHelper;
  36 import org.onap.aai.logging.LogFormatTools;
  37 import org.onap.aai.logging.LoggingContext;
  38 import org.onap.aai.logging.LoggingContext.StatusCode;
  39
  40 import com.att.eelf.configuration.EELFLogger;
  41 import com.att.eelf.configuration.EELFManager;
  42
  43 public class AAIAppServletContextListener implements ServletContextListener {
  44
  45         private static final String MICRO_SVC="aai-traversal";
  46         private static final String ACTIVEMQ_TCP_URL = "tcp://localhost:61446";
  47         private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(AAIAppServletContextListener.class.getName());
  48         private BrokerService broker = new BrokerService();
  49
  50         /**
  51          * Destroys Context
  52          *
  53          * @param arg0 the ServletContextEvent
  54          */
  55         public void contextDestroyed(ServletContextEvent arg0) {
  56         }
  57
  58         /**
  59          * Initializes Context
  60          *
  61          * @param arg0 the ServletContextEvent
  62          */
  63         public void contextInitialized(ServletContextEvent arg0) {
  64                 System.setProperty("org.onap.aai.serverStarted", "false");
  65                 System.setProperty("aai.service.name", "traversal");
  66
  67                 LoggingContext.save();
  68                 LoggingContext.component("init");
  69                 LoggingContext.partnerName("NA");
  70                 LoggingContext.targetEntity(MICRO_SVC);
  71                 LoggingContext.requestId(UUID.randomUUID().toString());
  72                 LoggingContext.serviceName(MICRO_SVC);
  73                 LoggingContext.targetServiceName("contextInitialized");
  74                 LoggingContext.statusCode(StatusCode.COMPLETE);
  75                 LOGGER.info("AAI Server initialization started...");
  76                 try {
  77                         LOGGER.info("Loading aaiconfig.properties");
  78                         AAIConfig.init();
  79
  80                         LOGGER.info("Loading error.properties");
  81                         ErrorLogHelper.loadProperties();
  82
  83                         LOGGER.info("Loading graph database");
  84
  85                         AAIGraph.getInstance();
  86                         ModelInjestor.getInstance();
  87
  88                         // Jsm internal broker for aai events
  89                         broker = new BrokerService();
  90                         broker.addConnector(ACTIVEMQ_TCP_URL);
  91                         broker.setPersistent(false);
  92                         broker.setUseJmx(false);
  93                         broker.setSchedulerSupport(false);
  94                         broker.start();
  95
  96                         LOGGER.info("A&AI Server initialization succcessful.");
  97                         System.setProperty("activemq.tcp.url", ACTIVEMQ_TCP_URL);
  98                         System.setProperty("org.onap.aai.serverStarted", "true");
  99
 100                         Runtime.getRuntime().addShutdownHook(new Thread() {
 101                                 public void run() {
 102                                         LOGGER.info("AAIGraph shutting down");
 103                                         AAIGraph.getInstance().graphShutdown();
 104                                         LOGGER.info("AAIGraph shutdown");
 105                                         try {
 106                                                 broker.stop();
 107                                         } catch (Exception e) {
 108                                                 LOGGER.error("Issue closing broker " + LogFormatTools.getStackTop(e));
 109                                         }
 110                                         System.out.println("Shutdown hook triggered.");
 111                                 }
 112                         });
 113
 114                 } catch (AAIException e) {
 115                         ErrorLogHelper.logException(e);
 116                         throw new RuntimeException("AAIException caught while initializing A&AI server", e);
 117                 } catch (IOException e) {
 118                         ErrorLogHelper.logError("AAI_4000", e.getMessage());
 119                         throw new RuntimeException("IOException caught while initializing A&AI server", e);
 120                 } catch (Exception e) {
 121                         LOGGER.error("Unknown failure while initializing A&AI Server" + LogFormatTools.getStackTop(e));
 122                         throw new RuntimeException("Unknown failure while initializing A&AI server", e);
 123                 }
 124
 125                 LOGGER.info("Graph-Query MicroService Started");
 126                 LOGGER.debug("Graph-Query MicroService Started");
 127                 LoggingContext.restore();
 128
 129         }
 130 }