Esempio n. 1
0
 /**
  * Create a services.
  *
  * <p>The built in services are initialized.
  *
  * @throws ServiceException thrown if any of the built in services could not initialize.
  */
 public Services() throws ServiceException {
   if (SERVICES != null) {
     XLog log = XLog.getLog(getClass());
     log.warn(XLog.OPS, "Previous services singleton active, destroying it");
     SERVICES.destroy();
     SERVICES = null;
   }
   setServiceInternal(XLogService.class, false);
   setServiceInternal(ConfigurationService.class, true);
   conf = get(ConfigurationService.class).getConf();
   systemId = conf.get(CONF_SYSTEM_ID, ("oozie-" + System.getProperty("user.name")));
   if (systemId.length() > MAX_SYSTEM_ID_LEN) {
     systemId = systemId.substring(0, MAX_SYSTEM_ID_LEN);
     XLog.getLog(getClass())
         .warn(
             "System ID [{0}] exceeds maximun lenght [{1}], trimming",
             systemId, MAX_SYSTEM_ID_LEN);
   }
   setSystemMode(SYSTEM_MODE.valueOf(conf.get(CONF_SYSTEM_MODE, SYSTEM_MODE.NORMAL.toString())));
   runtimeDir = createRuntimeDir();
 }
Esempio n. 2
0
 private void setServiceInternal(Class<? extends Service> klass, boolean logging)
     throws ServiceException {
   try {
     Service newService = (Service) ReflectionUtils.newInstance(klass, null);
     Service oldService = services.get(newService.getInterface());
     if (oldService != null) {
       oldService.destroy();
     }
     if (logging) {
       XLog log = new XLog(LogFactory.getLog(getClass()));
       log.trace(
           "Initializing service[{0}] class[{1}]",
           newService.getInterface(), newService.getClass());
     }
     newService.init(this);
     services.put(newService.getInterface(), newService);
   } catch (ServiceException ex) {
     XLog.getLog(getClass()).fatal(ex.getMessage(), ex);
     destroy();
     throw ex;
   }
 }
 @Override
 protected void tearDown() throws Exception {
   LocalOozie.stop();
   services.destroy();
   super.tearDown();
 }
 @Override
 protected void tearDown() throws Exception {
   services.destroy();
   super.tearDown();
 }
  public void testActionCheckTransientDuringMRAction() throws Exception {
    // When using YARN, skip this test because it relies on shutting down the job tracker, which
    // isn't used in YARN
    if (createJobConf().get("yarn.resourcemanager.address") != null) {
      return;
    }
    services.destroy();
    // Make the max number of retries lower so the test won't take as long
    final int maxRetries = 2;
    setSystemProperty("oozie.action.retries.max", Integer.toString(maxRetries));
    services = new Services();
    // Disable ActionCheckerService so it doesn't interfere by triggering any extra
    // ActionCheckXCommands
    setClassesToBeExcluded(
        services.getConf(), new String[] {"org.apache.oozie.service.ActionCheckerService"});
    services.init();

    final JPAService jpaService = Services.get().get(JPAService.class);
    WorkflowJobBean job0 =
        this.addRecordToWfJobTable(WorkflowJob.Status.RUNNING, WorkflowInstance.Status.RUNNING);
    final String jobId = job0.getId();
    WorkflowActionBean action0 =
        this.addRecordToWfActionTable(jobId, "1", WorkflowAction.Status.PREP);
    final String actionId = action0.getId();
    final WorkflowActionGetJPAExecutor wfActionGetCmd = new WorkflowActionGetJPAExecutor(actionId);

    new ActionStartXCommand(actionId, "map-reduce").call();
    final WorkflowActionBean action1 = jpaService.execute(wfActionGetCmd);
    String originalLauncherId = action1.getExternalId();

    ActionExecutorContext context =
        new ActionXCommand.ActionExecutorContext(job0, action1, false, false);
    MapReduceActionExecutor actionExecutor = new MapReduceActionExecutor();
    JobConf conf =
        actionExecutor.createBaseHadoopConf(context, XmlUtils.parseXml(action1.getConf()));
    String user = conf.get("user.name");
    JobClient jobClient =
        Services.get().get(HadoopAccessorService.class).createJobClient(user, conf);

    final RunningJob launcherJob = jobClient.getJob(JobID.forName(originalLauncherId));

    waitFor(
        120 * 1000,
        new Predicate() {
          @Override
          public boolean evaluate() throws Exception {
            return launcherJob.isComplete();
          }
        });
    assertTrue(launcherJob.isSuccessful());
    Map<String, String> actionData =
        LauncherMapperHelper.getActionData(getFileSystem(), context.getActionDir(), conf);
    assertTrue(LauncherMapperHelper.hasIdSwap(actionData));

    new ActionCheckXCommand(action1.getId()).call();
    WorkflowActionBean action2 = jpaService.execute(wfActionGetCmd);
    String originalMapperId = action2.getExternalChildIDs();

    assertFalse(originalLauncherId.equals(originalMapperId));

    // At this point, the launcher job has finished and the map-reduce action has started (but not
    // finished)
    // Now, shutdown the job tracker to pretend it has gone down during the map-reduce job
    executeWhileJobTrackerIsShutdown(
        new ShutdownJobTrackerExecutable() {
          @Override
          public void execute() throws Exception {
            assertEquals(0, action1.getRetries());
            new ActionCheckXCommand(actionId).call();

            waitFor(
                30 * 1000,
                new Predicate() {
                  @Override
                  public boolean evaluate() throws Exception {
                    WorkflowActionBean action1a = jpaService.execute(wfActionGetCmd);
                    return (action1a.getRetries() > 0);
                  }
                });
            waitFor(
                180 * 1000,
                new Predicate() {
                  @Override
                  public boolean evaluate() throws Exception {
                    WorkflowActionBean action1a = jpaService.execute(wfActionGetCmd);
                    return (action1a.getRetries() == 0);
                  }
                });
            WorkflowActionBean action1b = jpaService.execute(wfActionGetCmd);
            assertEquals(0, action1b.getRetries());
            assertEquals("START_MANUAL", action1b.getStatusStr());

            WorkflowJobBean job1 = jpaService.execute(new WorkflowJobGetJPAExecutor(jobId));
            assertEquals("SUSPENDED", job1.getStatusStr());

            // At this point, the action has gotten a transient error, even after maxRetries tries
            // so the workflow has been
            // SUSPENDED
          }
        });
    // Now, lets bring the job tracker back up and resume the workflow (which will restart the
    // current action)
    // It should now continue and finish with SUCCEEDED
    new ResumeXCommand(jobId).call();
    WorkflowJobBean job2 = jpaService.execute(new WorkflowJobGetJPAExecutor(jobId));
    assertEquals("RUNNING", job2.getStatusStr());

    sleep(500);

    new ActionCheckXCommand(actionId).call();
    WorkflowActionBean action3 = jpaService.execute(wfActionGetCmd);
    String launcherId = action3.getExternalId();

    assertFalse(originalLauncherId.equals(launcherId));

    final RunningJob launcherJob2 = jobClient.getJob(JobID.forName(launcherId));

    waitFor(
        120 * 1000,
        new Predicate() {
          @Override
          public boolean evaluate() throws Exception {
            return launcherJob2.isComplete();
          }
        });

    assertTrue(launcherJob2.isSuccessful());
    actionData = LauncherMapperHelper.getActionData(getFileSystem(), context.getActionDir(), conf);
    assertTrue(LauncherMapperHelper.hasIdSwap(actionData));

    new ActionCheckXCommand(actionId).call();
    WorkflowActionBean action4 = jpaService.execute(wfActionGetCmd);
    String mapperId = action4.getExternalChildIDs();
    assertFalse(originalMapperId.equals(mapperId));

    final RunningJob mrJob = jobClient.getJob(JobID.forName(mapperId));

    waitFor(
        120 * 1000,
        new Predicate() {
          @Override
          public boolean evaluate() throws Exception {
            return mrJob.isComplete();
          }
        });
    assertTrue(mrJob.isSuccessful());

    new ActionCheckXCommand(actionId).call();
    WorkflowActionBean action5 = jpaService.execute(wfActionGetCmd);

    assertEquals("SUCCEEDED", action5.getExternalStatus());
  }