Package org.apache.helix.model.builder

Examples of org.apache.helix.model.builder.HelixConfigScopeBuilder

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    TestHelper.setupCluster(clusterName, ZK_ADDR, 12918, "localhost", "TestDB", 1, 10, 5, 3,
        "MasterSlave", true);

    ConfigAccessor configAccessor = new ConfigAccessor(_gZkClient);
    HelixConfigScope clusterScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(clusterName).build();

    // cluster scope config
    String clusterConfigValue = configAccessor.get(clusterScope, "clusterConfigKey");
    Assert.assertNull(clusterConfigValue);

    configAccessor.set(clusterScope, "clusterConfigKey", "clusterConfigValue");
    clusterConfigValue = configAccessor.get(clusterScope, "clusterConfigKey");
    Assert.assertEquals(clusterConfigValue, "clusterConfigValue");

    // resource scope config
    HelixConfigScope resourceScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.RESOURCE).forCluster(clusterName)
            .forResource("testResource").build();
    configAccessor.set(resourceScope, "resourceConfigKey", "resourceConfigValue");
    String resourceConfigValue = configAccessor.get(resourceScope, "resourceConfigKey");
    Assert.assertEquals(resourceConfigValue, "resourceConfigValue");

    // partition scope config
    HelixConfigScope partitionScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forCluster(clusterName)
            .forResource("testResource").forPartition("testPartition").build();
    configAccessor.set(partitionScope, "partitionConfigKey", "partitionConfigValue");
    String partitionConfigValue = configAccessor.get(partitionScope, "partitionConfigKey");
    Assert.assertEquals(partitionConfigValue, "partitionConfigValue");

    // participant scope config
    HelixConfigScope participantScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT).forCluster(clusterName)
            .forParticipant("localhost_12918").build();
    configAccessor.set(participantScope, "participantConfigKey", "participantConfigValue");
    String participantConfigValue = configAccessor.get(participantScope, "participantConfigKey");
    Assert.assertEquals(participantConfigValue, "participantConfigValue");

    // test get-keys
    List<String> keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.RESOURCE)
            .forCluster(clusterName).build());
    Assert.assertEquals(keys.size(), 1, "should be [testResource]");
    Assert.assertEquals(keys.get(0), "testResource");

    // keys = configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER)
    // .forCluster(clusterName)
    // .build());
    // Assert.assertEquals(keys.size(), 1, "should be [" + clusterName + "]");
    // Assert.assertEquals(keys.get(0), clusterName);

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT)
            .forCluster(clusterName).build());
    Assert.assertEquals(keys.size(), 5, "should be [localhost_12918~22] sorted");
    Assert.assertTrue(keys.contains("localhost_12918"));
    Assert.assertTrue(keys.contains("localhost_12922"));

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION)
            .forCluster(clusterName).forResource("testResource").build());
    Assert.assertEquals(keys.size(), 1, "should be [testPartition]");
    Assert.assertEquals(keys.get(0), "testPartition");

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.RESOURCE)
            .forCluster(clusterName).forResource("testResource").build());
    Assert.assertEquals(keys.size(), 1, "should be [resourceConfigKey]");
    Assert.assertTrue(keys.contains("resourceConfigKey"));

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(
            clusterName).build());
    Assert.assertEquals(keys.size(), 1, "should be [clusterConfigKey]");
    Assert.assertTrue(keys.contains("clusterConfigKey"));

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT)
            .forCluster(clusterName).forParticipant("localhost_12918").build());
    Assert.assertEquals(keys.size(), 4,
        "should be [HELIX_ENABLED, HELIX_PORT, HELIX_HOST, participantConfigKey]");
    Assert.assertTrue(keys.contains("participantConfigKey"));

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION)
            .forCluster(clusterName).forResource("testResource").forPartition("testPartition")
            .build());
    Assert.assertEquals(keys.size(), 1, "should be [partitionConfigKey]");
    Assert.assertEquals(keys.get(0), "partitionConfigKey");

    // test configAccessor.remove
    configAccessor.remove(clusterScope, "clusterConfigKey");
    clusterConfigValue = configAccessor.get(clusterScope, "clusterConfigKey");
    Assert.assertNull(clusterConfigValue, "Should be null since it's removed");

    configAccessor.remove(resourceScope, "resourceConfigKey");
    resourceConfigValue = configAccessor.get(resourceScope, "resourceConfigKey");
    Assert.assertNull(resourceConfigValue, "Should be null since it's removed");

    configAccessor.remove(partitionScope, "partitionConfigKey");
    partitionConfigValue = configAccessor.get(partitionScope, "partitionConfigKey");
    Assert.assertNull(partitionConfigValue, "Should be null since it's removed");

    configAccessor.remove(participantScope, "participantConfigKey");
    participantConfigValue = configAccessor.get(partitionScope, "participantConfigKey");
    Assert.assertNull(participantConfigValue, "Should be null since it's removed");

    // negative tests
    try {
      new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forPartition("testPartition")
          .build();
      Assert.fail("Should fail since cluster name is not set");
    } catch (Exception e) {
      // OK
    }

    try {
      new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT)
          .forParticipant("testParticipant").build();
      Assert.fail("Should fail since cluster name is not set");
    } catch (Exception e) {
      // OK
    }

    try {
      new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forCluster("testCluster")
          .forPartition("testPartition").build();
      Assert.fail("Should fail since resource name is not set");
    } catch (Exception e) {
      // OK
      // e.printStackTrace();
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    ZKHelixAdmin admin = new ZKHelixAdmin(_gZkClient);
    admin.addCluster(clusterName, true);
    ConfigAccessor configAccessor = new ConfigAccessor(_gZkClient);
    HelixConfigScope participantScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT).forCluster(clusterName)
            .forParticipant("localhost_12918").build();

    try {
      configAccessor.set(participantScope, "participantConfigKey", "participantConfigValue");
      Assert
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    HelixAdmin helixAdmin = controller.getClusterManagmentTool();
    Map<String, String> properties = Maps.newHashMap();
    properties.put("IdealStateRule!sampleRuleName",
        "IDEAL_STATE_MODE=CUSTOMIZED,STATE_MODEL_DEF_REF=MasterSlave");
    helixAdmin.setConfig(
        new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(clusterName).build(),
        properties);

    // start participants
    MockParticipantManager[] participants = new MockParticipantManager[NUM_PARTICIPANTS];
    for (int i = 0; i < NUM_PARTICIPANTS; i++) {
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  public void joinCluster() {
    // Read cluster config and see if instance can auto join the cluster
    boolean autoJoin = false;
    try {
      HelixConfigScope scope =
          new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(
              _manager.getClusterName()).build();
      autoJoin =
          Boolean.parseBoolean(_configAccessor.get(scope,
              ZKHelixManager.ALLOW_PARTICIPANT_AUTO_JOIN));
      LOG.info("instance: " + _instanceName + " auto-joining " + _clusterName + " is " + autoJoin);
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    _setupTool.getClusterManagementTool().addAlert(CLUSTER_NAME, _alertStr1);
    _setupTool.getClusterManagementTool().addAlert(CLUSTER_NAME, _alertStr2);

    HelixConfigScope scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(CLUSTER_NAME).build();
    Map<String, String> properties = new HashMap<String, String>();
    properties.put("healthChange.enabled", "false");
    _setupTool.getClusterManagementTool().setConfig(scope, properties);

    HealthStatsAggregator task = new HealthStatsAggregator(_controller);
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    }

    // enable auto join if this option is set
    if (cfg.autoJoinAllowed != null && cfg.autoJoinAllowed) {
      HelixConfigScope scope =
          new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(cfg.clusterName)
              .build();
      Map<String, String> properties = new HashMap<String, String>();
      properties.put(ZKHelixManager.ALLOW_PARTICIPANT_AUTO_JOIN, cfg.autoJoinAllowed.toString());
      helixAdmin.setConfig(scope, properties);
    }
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  @Test
  public void testAlertActionDisableNode() throws InterruptedException {
    // ConfigScope scope = new ConfigScopeBuilder().forCluster(CLUSTER_NAME).build();
    HelixConfigScope scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).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);

    HelixManager manager = _controller;

    HealthStatsAggregator task = new HealthStatsAggregator(manager);
    task.aggregate();
    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();
    scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT)
            .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();
    scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT)
            .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.aggregate();
    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.aggregate();

    // scope = new
    // ConfigScopeBuilder().forCluster(manager.getClusterName()).forParticipant(participant1).build();
    scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT)
            .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();
    scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT)
            .forCluster(manager.getClusterName()).forParticipant(participant2).build();
    isEnabled = configAccessor.get(scope, "HELIX_ENABLED");
    Assert.assertTrue(Boolean.parseBoolean(isEnabled));

    result =
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   * @param keyValuePairs csv-formatted key-value pairs. e.g. k1=v1,k2=v2
   */
  public void setConfig(ConfigScopeProperty type, String scopeArgsCsv, String keyValuePairs) {
    // ConfigScope scope = new ConfigScopeBuilder().build(scopesKeyValuePairs);
    String[] scopeArgs = scopeArgsCsv.split("[\\s,]");
    HelixConfigScope scope = new HelixConfigScopeBuilder(type, scopeArgs).build();

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

    String[] scopeArgs = scopeArgsCsv.split("[\\s,]");
    HelixConfigScope scope = new HelixConfigScopeBuilder(type, scopeArgs).build();

    String[] keys = keysCsv.split("[\\s,]");

    _admin.removeConfig(scope, Arrays.asList(keys));
  }
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   */
  public String getConfig(ConfigScopeProperty type, String scopeArgsCsv, String keysCsv) {
    // ConfigScope scope = new ConfigScopeBuilder().build(scopesStr);

    String[] scopeArgs = scopeArgsCsv.split("[\\s,]");
    HelixConfigScope scope = new HelixConfigScopeBuilder(type, scopeArgs).build();

    String[] keys = keysCsv.split("[\\s,]");
    // parse keys
    // String[] keys = keysStr.split("[\\s,]");
    // Set<String> keysSet = new HashSet<String>(Arrays.asList(keys));
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Related Classes of org.apache.helix.model.builder.HelixConfigScopeBuilder

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  • org.apache.helix.agent.TestHelixAgent
  • org.apache.helix.filestore.IntegrationTest
  • org.apache.helix.healthcheck.TestAlertActionTriggering
  • org.apache.helix.healthcheck.TestAlertFireHistory
  • org.apache.helix.integration.TestInstanceAutoJoin
  • org.apache.helix.integration.TestInvalidResourceRebalance
  • org.apache.helix.ipc.TestNettyHelixIPCService
  • org.apache.helix.manager.zk.ParticipantManagerHelper
  • org.apache.helix.manager.zk.TestZkClusterManager
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