Example #1
0
  /**
   * Get wf action info
   *
   * @param request servlet request
   * @param response servlet response
   * @return JsonBean WorkflowActionBean
   * @throws XServletException
   */
  private JsonBean getWorkflowAction(HttpServletRequest request, HttpServletResponse response)
      throws XServletException {
    DagEngine dagEngine =
        Services.get()
            .get(DagEngineService.class)
            .getDagEngine(getUser(request), getAuthToken(request));

    JsonBean actionBean = null;
    String actionId = getResourceName(request);
    try {
      actionBean = dagEngine.getWorkflowAction(actionId);
    } catch (BaseEngineException ex) {
      throw new XServletException(HttpServletResponse.SC_BAD_REQUEST, ex);
    }

    return actionBean;
  }
Example #2
0
  /**
   * Provides functionality to test transient failures.
   *
   * @param errorType the error type. (start.transient, end.transient)
   * @param expStatus1 expected status after the first step (START_RETRY, END_RETRY)
   * @param expStatus2 expected status after the second step (START_MANUAL, END_MANUAL)
   * @param expErrorMsg the expected error message.
   * @throws Exception
   */
  private void _testTransient(
      String errorType,
      WorkflowActionBean.Status expStatus1,
      final WorkflowActionBean.Status expStatus2,
      String expErrorMsg)
      throws Exception {
    String workflowPath = getTestCaseFileUri("workflow.xml");
    Reader reader = IOUtils.getResourceAsReader("wf-ext-schema-valid.xml", -1);
    Writer writer = new FileWriter(new File(getTestCaseDir(), "workflow.xml"));
    IOUtils.copyCharStream(reader, writer);

    final int maxRetries = 2;
    final int retryInterval = 10;

    final DagEngine engine = new DagEngine("u");
    Configuration conf = new XConfiguration();
    conf.set(OozieClient.APP_PATH, workflowPath);
    conf.set(OozieClient.USER_NAME, getTestUser());

    conf.set(OozieClient.LOG_TOKEN, "t");
    conf.set("signal-value", "OK");
    conf.set("external-status", "ok");
    conf.set("error", errorType);
    conf.setInt(OozieClient.ACTION_MAX_RETRIES, maxRetries);
    conf.setInt(OozieClient.ACTION_RETRY_INTERVAL, retryInterval);

    final String jobId = engine.submitJob(conf, true);

    int retryCount = 1;
    WorkflowActionBean.Status expectedStatus = expStatus1;
    int expectedRetryCount = 2;

    Thread.sleep(20000);
    String aId = null;
    final WorkflowStore store = Services.get().get(WorkflowStoreService.class).create();
    store.beginTrx();
    while (retryCount <= maxRetries) {
      List<WorkflowActionBean> actions = store.getActionsForWorkflow(jobId, false);
      WorkflowActionBean action = null;
      for (WorkflowActionBean bean : actions) {
        if (bean.getType().equals("test")) {
          action = bean;
          break;
        }
      }
      assertNotNull(action);
      aId = action.getId();
      assertEquals(expectedStatus, action.getStatus());
      assertEquals(expectedRetryCount, action.getRetries());
      assertEquals("TEST_ERROR", action.getErrorCode());
      assertEquals(expErrorMsg, action.getErrorMessage());
      if (action.getRetries() == maxRetries) {
        expectedRetryCount = 0;
        expectedStatus = expStatus2;
        break;
      } else {
        expectedRetryCount++;
      }
      Thread.sleep(retryInterval * 1000);
      retryCount++;
    }
    store.commitTrx();
    store.closeTrx();
    Thread.sleep(5000);

    final String actionId = aId;

    waitFor(
        5000,
        new Predicate() {
          public boolean evaluate() throws Exception {
            return (engine.getWorkflowAction(actionId).getStatus() == expStatus2);
          }
        });

    final WorkflowStore store2 = Services.get().get(WorkflowStoreService.class).create();
    store2.beginTrx();
    WorkflowActionBean action = engine.getWorkflowAction(actionId);
    assertEquals("TEST_ERROR", action.getErrorCode());
    assertEquals(expErrorMsg, action.getErrorMessage());
    assertEquals(expStatus2, action.getStatus());
    assertTrue(action.isPending() == false);
    assertEquals(WorkflowJob.Status.SUSPENDED, engine.getJob(jobId).getStatus());
    store2.commitTrx();
    store2.closeTrx();
  }