Пример #1
0
 /**
  * Starts the plugin deployer which will effectively ask the plugin deployer to persist
  * information about all detected agent and server plugins.
  *
  * <p>Because this will scan and register the initial plugins right now, make sure this is called
  * prior to starting the master plugin container; otherwise, the master PC will not have any
  * plugins to start.
  *
  * @throws RuntimeException
  */
 private void startPluginDeployer() throws RuntimeException {
   log.info("Starting the agent/server plugin deployer...");
   try {
     PluginDeploymentScannerMBean deployer = getPluginDeploymentScanner();
     deployer.startDeployment();
   } catch (Exception e) {
     throw new RuntimeException("Cannot start the agent/server plugin deployer!", e);
   }
 }
Пример #2
0
 @Timeout
 // does AS7 EJB3 container allow this? We do not want a tx here!
 @TransactionAttribute(TransactionAttributeType.NOT_SUPPORTED)
 public void scanForPlugins(final Timer timer) {
   try {
     PluginDeploymentScannerMBean deployer = getPluginDeploymentScanner();
     deployer.scanAndRegister();
   } catch (Throwable t) {
     log.error("Plugin scan failed. Cause: " + ThrowableUtil.getAllMessages(t));
     if (log.isDebugEnabled()) {
       log.debug("Plugin scan failure stack trace follows:", t);
     }
   }
 }
Пример #3
0
  public void unpreparePluginScannerService() throws Exception {
    if (pluginScannerService != null) {
      pluginScannerService.stop();
      pluginScannerService = null;
    }

    MBeanServer mbs = getPlatformMBeanServer();
    if (mbs.isRegistered(PluginDeploymentScannerMBean.OBJECT_NAME)) {
      mbs.unregisterMBean(PluginDeploymentScannerMBean.OBJECT_NAME);
    }
  }
Пример #4
0
  /**
   * Creates the timer that will trigger periodic scans for new plugins.
   *
   * @throws RuntimeException
   */
  private void registerPluginDeploymentScannerJob() throws RuntimeException {
    log.info("Creating timer to begin scanning for plugins...");

    try {
      PluginDeploymentScannerMBean deployer = getPluginDeploymentScanner();

      long scanPeriod = 5 * 60000L;
      try {
        String scanPeriodString = deployer.getScanPeriod();
        scanPeriod = Long.parseLong(scanPeriodString);
      } catch (Exception e) {
        log.warn("could not determine plugin scanner scan period - using: " + scanPeriod, e);
      }

      // create a non-persistent periodic timer (we'll reset it ever startup) with the scan period
      // as configured in our scanner object
      timerService.createIntervalTimer(scanPeriod, scanPeriod, new TimerConfig(null, false));
    } catch (Exception e) {
      throw new RuntimeException(
          "Cannot schedule plugin scanning timer - new plugins will not be detected!", e);
    }
  }
Пример #5
0
  /**
   * Note that the standard plugin scanner service is deployed automatically with the test rhq ear,
   * this is only necessary if you want a custom service.
   *
   * @param scannerService
   */
  public PluginDeploymentScannerMBean preparePluginScannerService(
      PluginDeploymentScannerMBean scannerService) {
    try {
      MBeanServer mbs = getPlatformMBeanServer();
      if (mbs.isRegistered(PluginDeploymentScannerMBean.OBJECT_NAME)) {
        mbs.unregisterMBean(PluginDeploymentScannerMBean.OBJECT_NAME);
      }

      // Now replace with the test service...
      mbs.registerMBean(scannerService, PluginDeploymentScannerMBean.OBJECT_NAME);
      pluginScannerService = scannerService;
      pluginScannerService.start();

      return pluginScannerService;

    } catch (Exception e) {
      e.printStackTrace();
      throw new RuntimeException(e);
    }
  }