Package org.apache.helix

Examples of org.apache.helix.ConfigScopeBuilder

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    String instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + 0);
    HelixManager manager = _startCMResultMap.get(instanceName)._manager;
   
    ConfigAccessor accessor = manager.getConfigAccessor();
    ConfigScope scope =
        new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(instanceName).build();
    accessor.set(scope, "TestMsg."+ HelixTaskExecutor.MAX_THREADS, ""+12);
   
    scope =
        new ConfigScopeBuilder().forCluster(manager.getClusterName()).build();
    accessor.set(scope, "TestMsg."+ HelixTaskExecutor.MAX_THREADS, ""+8);
   
    for (int i = 0; i < NODE_NR; i++)
    {
      instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + i);
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  {
    String instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + 0);
    HelixManager manager = _startCMResultMap.get(instanceName)._manager;
    ConfigAccessor accessor = manager.getConfigAccessor();
    ConfigScope scope =
        new ConfigScopeBuilder().forCluster(manager.getClusterName()).forResource("NextDB").build();
    accessor.set(scope, HelixTaskExecutor.MAX_THREADS, ""+12);
   
    _setupTool.addResourceToCluster(CLUSTER_NAME, "NextDB", 64, STATE_MODEL);
    _setupTool.rebalanceStorageCluster(CLUSTER_NAME, "NextDB", 3);
   
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    admin.connect();
    AssertJUnit.assertTrue(admin.isConnected());

    HelixAdmin adminTool = admin.getClusterManagmentTool();
    ConfigScope scope = new ConfigScopeBuilder().forCluster(clusterName)
        .forResource("testResource").forPartition("testPartition").build();
    Map<String, String> properties = new HashMap<String, String>();
    properties.put("pKey1", "pValue1");
    properties.put("pKey2", "pValue2");
    adminTool.setConfig(scope, properties);
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  }

  @Test
  public void testAlertActionDisableNode() throws InterruptedException
  {
    ConfigScope scope = new ConfigScopeBuilder().forCluster(CLUSTER_NAME).build();
    Map<String, String> properties = new HashMap<String, String>();
    properties.put("healthChange.enabled", "true");
    _setupTool.getClusterManagementTool().setConfig(scope, properties);

    String alertStr1 = "EXP(decay(1.0)(localhost_*.TestStat@DB=db1.TestMetric1))CMP(GREATER)CON(20)ACTION(DISABLE_INSTANCE)";
    String alertStr2 = "EXP(decay(1.0)(localhost_*.TestStat@DB=db1.TestMetric2))CMP(GREATER)CON(120)ACTION(DISABLE_INSTANCE)";
    String alertStr3 = "EXP(decay(1.0)(localhost_*.TestStat@DB=TestDB;Partition=*.TestMetric2))CMP(GREATER)CON(160)ACTION(DISABLE_PARTITION)";

    _setupTool.getClusterManagementTool().addAlert(CLUSTER_NAME, alertStr1);
    _setupTool.getClusterManagementTool().addAlert(CLUSTER_NAME, alertStr2);
    _setupTool.getClusterManagementTool().addAlert(CLUSTER_NAME, alertStr3);

    int[] metrics1 = {10, 15, 22, 12, 16};
    int[] metrics2 = {22, 115, 22, 163,16};
    int[] metrics3 = {0, 0, 0, 0, 0};
    setHealthData(metrics1, metrics2);

    String controllerName = CONTROLLER_PREFIX + "_0";
    HelixManager manager = _startCMResultMap.get(controllerName)._manager;

    HealthStatsAggregationTask task = new HealthStatsAggregationTask(_startCMResultMap.get(controllerName)._manager);
    task.run();
    Thread.sleep(4000);
    HelixDataAccessor helixDataAccessor = manager.getHelixDataAccessor();
    Builder keyBuilder = helixDataAccessor.keyBuilder();

    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 CLUSTER_NAME));
    Assert.assertTrue(result);

    Builder kb = manager.getHelixDataAccessor().keyBuilder();
    ExternalView externalView = manager.getHelixDataAccessor().getProperty(kb.externalView("TestDB"));
    // Test the DISABLE_INSTANCE alerts
    String participant1 = "localhost_" + (START_PORT + 3);
    String participant2 = "localhost_" + (START_PORT + 2);
    ConfigAccessor configAccessor = manager.getConfigAccessor();
    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant1).build();
    String isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertFalse(Boolean.parseBoolean(isEnabled));

    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant2).build();
    isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertFalse(Boolean.parseBoolean(isEnabled));

    for(String partitionName : externalView.getRecord().getMapFields().keySet())
    {
      for(String hostName :  externalView.getRecord().getMapField(partitionName).keySet())
      {
        if(hostName.equals(participant1) || hostName.equals(participant2))
        {
          Assert.assertEquals(externalView.getRecord().getMapField(partitionName).get(hostName), "OFFLINE");
        }
      }
    }

    // enable the disabled instances
    setHealthData(metrics3, metrics3);
    task.run();
    Thread.sleep(1000);

    manager.getClusterManagmentTool().enableInstance(manager.getClusterName(), participant2, true);
    manager.getClusterManagmentTool().enableInstance(manager.getClusterName(), participant1, true);

    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 CLUSTER_NAME));
    Assert.assertTrue(result);

    // Test the DISABLE_PARTITION case
    int[] metrics4 = {22, 115, 22, 16,163};
    setHealthData2(metrics4);
    task.run();

    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant1).build();
    isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertTrue(Boolean.parseBoolean(isEnabled));

    scope = new ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant2).build();
    isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertTrue(Boolean.parseBoolean(isEnabled));

    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
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    manager.startTimerTasks();
   
    _setupTool.getClusterManagementTool().addAlert(CLUSTER_NAME, _alertStr1);
    _setupTool.getClusterManagementTool().addAlert(CLUSTER_NAME, _alertStr2);
   
    ConfigScope scope = new ConfigScopeBuilder().forCluster(CLUSTER_NAME).build();
    Map<String, String> properties = new HashMap<String, String>();
    properties.put("healthChange.enabled", "false");
    _setupTool.getClusterManagementTool().setConfig(scope, properties);
   
    HealthStatsAggregationTask task = new HealthStatsAggregationTask(_startCMResultMap.get(controllerName)._manager);
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    return newLeader;
  }

  protected void enableHealthCheck(String clusterName)
  {
    ConfigScope scope = new ConfigScopeBuilder().forCluster(clusterName).build();
    new ConfigAccessor(_gZkClient).set(scope, "healthChange" + ".enabled", "" + true);
  }
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Related Classes of org.apache.helix.ConfigScopeBuilder

  • org.apache.helix.ConfigScope.ConfigScopeProperty
  • org.apache.helix.filestore.IntegrationTest
  • org.apache.helix.healthcheck.HealthStatsAggregationTask
  • org.apache.helix.healthcheck.TestAlertActionTriggering
  • org.apache.helix.healthcheck.TestAlertFireHistory
  • org.apache.helix.integration.ZkIntegrationTestBase
  • org.apache.helix.manager.zk.TestZkClusterManager
  • org.apache.helix.manager.zk.TestZkHelixAdmin
  • org.apache.helix.messaging.DefaultMessagingService
  • org.apache.helix.messaging.handling.HelixTaskExecutor
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