Package com.linkedin.helix

Examples of com.linkedin.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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   * @param properitesStr
   *          : key=value, ... which represents a Map<String, String>
   */
  public void setConfig(String scopesStr, String propertiesStr)
  {
    ConfigScope scope = new ConfigScopeBuilder().build(scopesStr);

    // parse properties
    String[] properties = propertiesStr.split("[\\s,]");
    Map<String, String> propertiesMap = new TreeMap<String, String>();
    for (String property : properties)
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    _admin.setConfig(scope, propertiesMap);
  }

  public void removeConfig(String scopesStr, String keysStr)
  {
    ConfigScope scope = new ConfigScopeBuilder().build(scopesStr);

    // parse keys
    String[] keys = keysStr.split("[\\s,]");
    Set<String> keysSet = new HashSet<String>(Arrays.asList(keys));
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    _admin.removeConfig(scope, keysSet);
  }

  public String getConfig(String scopesStr, String keysStr)
  {
    ConfigScope scope = new ConfigScopeBuilder().build(scopesStr);

    // parse keys
    String[] keys = keysStr.split("[\\s,]");
    Set<String> keysSet = new HashSet<String>(Arrays.asList(keys));
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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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    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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      int threadpoolSize = -1;
      ConfigAccessor configAccessor = manager.getConfigAccessor();
      if (configAccessor != null)
      {
        ConfigScope scope =
            new ConfigScopeBuilder().forCluster(manager.getClusterName())
                                    .forResource(resourceName)
                                    .build();

        String threadpoolSizeStr = configAccessor.get(scope, MAX_THREADS);
        try
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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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          // path is "/clusters/{clusterName}/configs/cluster|particicpant|resource/
          // {clusterName}|{participantName}|{resourceName}"
          ConfigScope scope;
          if (scopeProperty == ConfigScopeProperty.CLUSTER)
          {
            scope = new ConfigScopeBuilder().build(scopeProperty, clusterName);
          }
          else
          {
            scope = new ConfigScopeBuilder().build(scopeProperty, clusterName, scopeKey1);
          }
          representation = getConfigs(scope, scopeProperty, scopeKey1);
        }
        break;
      case PARTITION:
        scopeKey1 = getValue("scopeKey1");
        String scopeKey2 = getValue("scopeKey2");
        if (scopeKey1 == null)
        {
          // path is "/clusters/{clusterName}/configs/partition"
          throw new HelixException("Missing resourceName");
        }
        else if (scopeKey2 == null)
        {
          // path is "/clusters/{clusterName}/configs/partition/resourceName"
          representation = getConfigKeys(scopeProperty, scopeKey1);
        }
        else
        {
          // path is
          // "/clusters/{clusterName}/configs/partition/resourceName/partitionName"
          ConfigScope scope =
              new ConfigScopeBuilder().build(scopeProperty,
                                             clusterName,
                                             scopeKey1,
                                             scopeKey2);
          representation = getConfigs(scope, scopeProperty, scopeKey1, scopeKey2);
        }
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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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Related Classes of com.linkedin.helix.ConfigScopeBuilder

  • com.linkedin.helix.ConfigScope.ConfigScopeProperty
  • com.linkedin.helix.healthcheck.HealthStatsAggregationTask
  • com.linkedin.helix.healthcheck.TestAlertActionTriggering
  • com.linkedin.helix.healthcheck.TestAlertFireHistory
  • com.linkedin.helix.integration.ZkIntegrationTestBase
  • com.linkedin.helix.manager.zk.TestZkClusterManager
  • com.linkedin.helix.manager.zk.TestZkHelixAdmin
  • com.linkedin.helix.messaging.DefaultMessagingService
  • com.linkedin.helix.messaging.handling.HelixTaskExecutor
  • com.linkedin.helix.messaging.handling.TestConfigThreadpoolSize
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