Package org.apache.hadoop.ha.HAServiceProtocol

Examples of org.apache.hadoop.ha.HAServiceProtocol.StateChangeRequestInfo

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  }

  @SuppressWarnings("unchecked")
  @Test
  public void testFencing() throws Exception {
    StateChangeRequestInfo req = new StateChangeRequestInfo(
        HAServiceProtocol.RequestSource.REQUEST_BY_USER);

    Configuration conf1 = createHARMConf("rm1,rm2", "rm1", 1234);
    conf1.setBoolean(YarnConfiguration.AUTO_FAILOVER_ENABLED, false);
    ResourceManager rm1 = new ResourceManager();
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    banner("Restarting active");
    DFSTestUtil
      .createFile(fs, new Path("/test"), 3 * BLOCK_SIZE, (short) 3, 1L);
    restartActive();
    nn0.getRpcServer().transitionToActive(
        new StateChangeRequestInfo(RequestSource.REQUEST_BY_USER));

    FSNamesystem namesystem = nn0.getNamesystem();
    String status = namesystem.getSafemode();
    assertTrue("Bad safemode status: '" + status + "'", status
        .startsWith("Safe mode is ON."));
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        "to become active");
    return null;
  }

  private StateChangeRequestInfo createReqInfo() {
    return new StateChangeRequestInfo(RequestSource.REQUEST_BY_ZKFC);
  }
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    }
    return true;
  }

  private StateChangeRequestInfo createReqInfo() {
    return new StateChangeRequestInfo(requestSource);
  }
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  }
 
  public void transitionToActive(int nnIndex) throws IOException,
      ServiceFailedException {
    getNameNode(nnIndex).getRpcServer().transitionToActive(
        new StateChangeRequestInfo(RequestSource.REQUEST_BY_USER_FORCED));
  }
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  }
 
  public void transitionToStandby(int nnIndex) throws IOException,
      ServiceFailedException {
    getNameNode(nnIndex).getRpcServer().transitionToStandby(
        new StateChangeRequestInfo(RequestSource.REQUEST_BY_USER_FORCED));
  }
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    configuration.setBoolean(YarnConfiguration.AUTO_FAILOVER_ENABLED, false);
    Configuration conf = new YarnConfiguration(configuration);

    rm = new MockRM(conf);
    rm.init(conf);
    StateChangeRequestInfo requestInfo = new StateChangeRequestInfo(
        HAServiceProtocol.RequestSource.REQUEST_BY_USER);

    assertEquals(STATE_ERR, HAServiceState.INITIALIZING,
        rm.adminService.getServiceStatus().getState());
    assertFalse("RM is ready to become active before being started",
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    Configuration conf = new YarnConfiguration(configuration);

    rm = new MockRM(conf);
    rm.init(conf);
    rm.start();
    StateChangeRequestInfo requestInfo = new StateChangeRequestInfo(
        HAServiceProtocol.RequestSource.REQUEST_BY_USER);

    // Transition to standby
    try {
      rm.adminService.transitionToStandby(requestInfo);
      fail(ERR_UNFORCED_REQUEST);
    } catch (AccessControlException e) {
      // expected
    }
    checkMonitorHealth();
    checkStandbyRMFunctionality();

    // Transition to active
    try {
      rm.adminService.transitionToActive(requestInfo);
      fail(ERR_UNFORCED_REQUEST);
    } catch (AccessControlException e) {
      // expected
    }
    checkMonitorHealth();
    checkStandbyRMFunctionality();


    final String ERR_FORCED_REQUEST = "Forced request by user should work " +
        "even if automatic failover is enabled";
    requestInfo = new StateChangeRequestInfo(
        HAServiceProtocol.RequestSource.REQUEST_BY_USER_FORCED);

    // Transition to standby
    try {
      rm.adminService.transitionToStandby(requestInfo);
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        ((MyCountingDispatcher) rm.getRMContext().getDispatcher())
            .getEventHandlerCount();
    int expectedServiceCount = rm.getServices().size();
    assertTrue(expectedEventHandlerCount != 0);

    StateChangeRequestInfo requestInfo = new StateChangeRequestInfo(
        HAServiceProtocol.RequestSource.REQUEST_BY_USER);

    assertEquals(STATE_ERR, HAServiceState.INITIALIZING,
        rm.adminService.getServiceStatus().getState());
    assertFalse("RM is ready to become active before being started",
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  }

  @Test
  public void testRMHAWithFileSystemBasedConfiguration() throws IOException,
      YarnException {
    StateChangeRequestInfo requestInfo = new StateChangeRequestInfo(
        HAServiceProtocol.RequestSource.REQUEST_BY_USER);
    configuration.set(YarnConfiguration.RM_CONFIGURATION_PROVIDER_CLASS,
        "org.apache.hadoop.yarn.FileSystemBasedConfigurationProvider");
    configuration.setBoolean(YarnConfiguration.RM_HA_ENABLED, true);
    configuration.setBoolean(YarnConfiguration.AUTO_FAILOVER_ENABLED, false);
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  • org.apache.hadoop.ha.ZKFailoverController
  • org.apache.hadoop.hdfs.MiniDFSCluster
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