@Test
  public void testAMAccessDisabled() throws IOException {
    // test only applicable when AM not reachable
    if (isAMReachableFromClient) {
      return;
    }

    MRClientProtocol historyServerProxy = mock(MRClientProtocol.class);
    when(historyServerProxy.getJobReport(getJobReportRequest()))
        .thenReturn(getJobReportResponseFromHistoryServer());

    ResourceMgrDelegate rmDelegate = mock(ResourceMgrDelegate.class);
    try {
      when(rmDelegate.getApplicationReport(jobId.getAppId()))
          .thenReturn(getRunningApplicationReport("am1", 78))
          .thenReturn(getRunningApplicationReport("am1", 78))
          .thenReturn(getRunningApplicationReport("am1", 78))
          .thenReturn(getFinishedApplicationReport());
    } catch (YarnException e) {
      throw new IOException(e);
    }

    ClientServiceDelegate clientServiceDelegate =
        spy(getClientServiceDelegate(historyServerProxy, rmDelegate));

    JobStatus jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
    Assert.assertNotNull(jobStatus);
    Assert.assertEquals("N/A", jobStatus.getJobName());

    verify(clientServiceDelegate, times(0)).instantiateAMProxy(any(InetSocketAddress.class));

    // Should not reach AM even for second and third times too.
    jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
    Assert.assertNotNull(jobStatus);
    Assert.assertEquals("N/A", jobStatus.getJobName());
    verify(clientServiceDelegate, times(0)).instantiateAMProxy(any(InetSocketAddress.class));
    jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
    Assert.assertNotNull(jobStatus);
    Assert.assertEquals("N/A", jobStatus.getJobName());
    verify(clientServiceDelegate, times(0)).instantiateAMProxy(any(InetSocketAddress.class));

    // The third time around, app is completed, so should go to JHS
    JobStatus jobStatus1 = clientServiceDelegate.getJobStatus(oldJobId);
    Assert.assertNotNull(jobStatus1);
    Assert.assertEquals("TestJobFilePath", jobStatus1.getJobFile());
    Assert.assertEquals("http://TestTrackingUrl", jobStatus1.getTrackingUrl());
    Assert.assertEquals(1.0f, jobStatus1.getMapProgress(), 0.0f);
    Assert.assertEquals(1.0f, jobStatus1.getReduceProgress(), 0.0f);

    verify(clientServiceDelegate, times(0)).instantiateAMProxy(any(InetSocketAddress.class));
  }
Exemplo n.º 2
0
 public static JobStatus downgrade(org.apache.hadoop.mapreduce.JobStatus stat) {
   JobStatus old =
       new JobStatus(
           JobID.downgrade(stat.getJobID()),
           stat.getSetupProgress(),
           stat.getMapProgress(),
           stat.getReduceProgress(),
           stat.getCleanupProgress(),
           stat.getState().getValue(),
           JobPriority.valueOf(stat.getPriority().name()),
           stat.getUsername(),
           stat.getJobName(),
           stat.getJobFile(),
           stat.getTrackingUrl());
   old.setStartTime(stat.getStartTime());
   old.setFinishTime(stat.getFinishTime());
   old.setSchedulingInfo(stat.getSchedulingInfo());
   old.setHistoryFile(stat.getHistoryFile());
   return old;
 }
  @Test
  public void testReconnectOnAMRestart() throws IOException {
    // test not applicable when AM not reachable
    // as instantiateAMProxy is not called at all
    if (!isAMReachableFromClient) {
      return;
    }

    MRClientProtocol historyServerProxy = mock(MRClientProtocol.class);

    // RM returns AM1 url, null, null and AM2 url on invocations.
    // Nulls simulate the time when AM2 is in the process of restarting.
    ResourceMgrDelegate rmDelegate = mock(ResourceMgrDelegate.class);
    try {
      when(rmDelegate.getApplicationReport(jobId.getAppId()))
          .thenReturn(getRunningApplicationReport("am1", 78))
          .thenReturn(getRunningApplicationReport(null, 0))
          .thenReturn(getRunningApplicationReport(null, 0))
          .thenReturn(getRunningApplicationReport("am2", 90));
    } catch (YarnException e) {
      throw new IOException(e);
    }

    GetJobReportResponse jobReportResponse1 = mock(GetJobReportResponse.class);
    when(jobReportResponse1.getJobReport())
        .thenReturn(
            MRBuilderUtils.newJobReport(
                jobId,
                "jobName-firstGen",
                "user",
                JobState.RUNNING,
                0,
                0,
                0,
                0,
                0,
                0,
                0,
                "anything",
                null,
                false,
                ""));

    // First AM returns a report with jobName firstGen and simulates AM shutdown
    // on second invocation.
    MRClientProtocol firstGenAMProxy = mock(MRClientProtocol.class);
    when(firstGenAMProxy.getJobReport(any(GetJobReportRequest.class)))
        .thenReturn(jobReportResponse1)
        .thenThrow(new RuntimeException("AM is down!"));

    GetJobReportResponse jobReportResponse2 = mock(GetJobReportResponse.class);
    when(jobReportResponse2.getJobReport())
        .thenReturn(
            MRBuilderUtils.newJobReport(
                jobId,
                "jobName-secondGen",
                "user",
                JobState.RUNNING,
                0,
                0,
                0,
                0,
                0,
                0,
                0,
                "anything",
                null,
                false,
                ""));

    // Second AM generation returns a report with jobName secondGen
    MRClientProtocol secondGenAMProxy = mock(MRClientProtocol.class);
    when(secondGenAMProxy.getJobReport(any(GetJobReportRequest.class)))
        .thenReturn(jobReportResponse2);

    ClientServiceDelegate clientServiceDelegate =
        spy(getClientServiceDelegate(historyServerProxy, rmDelegate));
    // First time, connection should be to AM1, then to AM2. Further requests
    // should use the same proxy to AM2 and so instantiateProxy shouldn't be
    // called.
    doReturn(firstGenAMProxy)
        .doReturn(secondGenAMProxy)
        .when(clientServiceDelegate)
        .instantiateAMProxy(any(InetSocketAddress.class));

    JobStatus jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
    Assert.assertNotNull(jobStatus);
    Assert.assertEquals("jobName-firstGen", jobStatus.getJobName());

    jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
    Assert.assertNotNull(jobStatus);
    Assert.assertEquals("jobName-secondGen", jobStatus.getJobName());

    jobStatus = clientServiceDelegate.getJobStatus(oldJobId);
    Assert.assertNotNull(jobStatus);
    Assert.assertEquals("jobName-secondGen", jobStatus.getJobName());

    verify(clientServiceDelegate, times(2)).instantiateAMProxy(any(InetSocketAddress.class));
  }