Package org.apache.helix.model

Examples of org.apache.helix.model.HelixConfigScope

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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));
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    AssertJUnit.assertNull(resourceExternalView);

    // test config support
    // ConfigScope scope = new ConfigScopeBuilder().forCluster(clusterName)
    // .forResource("testResource").forPartition("testPartition").build();
    HelixConfigScope scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forCluster(clusterName)
            .forResource("testResource").forPartition("testPartition").build();

    Map<String, String> properties = new HashMap<String, String>();
    properties.put("pKey1", "pValue1");
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    AssertJUnit.assertTrue(admin.isConnected());

    HelixAdmin adminTool = admin.getClusterManagmentTool();
    // ConfigScope scope = new ConfigScopeBuilder().forCluster(clusterName)
    // .forResource("testResource").forPartition("testPartition").build();
    HelixConfigScope scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forCluster(clusterName)
            .forResource("testResource").forPartition("testPartition").build();

    Map<String, String> properties = new HashMap<String, String>();
    properties.put("pKey1", "pValue1");
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        n, // number of nodes
        1, // replicas
        "MasterSlave", true); // do rebalance

    // set cluster config
    HelixConfigScope scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(clusterName).build();
    ConfigAccessor configAccessor = new ConfigAccessor(_gZkClient);

    // String pidFile = ScriptTestHelper.getPrefix() + ScriptTestHelper.INTEGRATION_LOG_DIR +
    // "/default/foo_{PARTITION_NAME}_pid.txt";
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    String pidFileKey = buildKey(fromState, toState, CommandAttribute.PID_FILE);
    List<String> cmdConfigKeys = Arrays.asList(cmdKey, workingDirKey, timeoutKey, pidFileKey);

    // read command from resource-scope configures
    if (cmd == null) {
      HelixConfigScope resourceScope =
          new HelixConfigScopeBuilder(ConfigScopeProperty.RESOURCE).forCluster(clusterName)
              .forResource(message.getResourceName()).build();
      Map<String, String> cmdKeyValueMap =
          manager.getConfigAccessor().get(resourceScope, cmdConfigKeys);
      if (cmdKeyValueMap != null) {
        cmd = cmdKeyValueMap.get(cmdKey);
        workingDir = cmdKeyValueMap.get(workingDirKey);
        timeout = cmdKeyValueMap.get(timeoutKey);
        pidFile = cmdKeyValueMap.get(pidFileKey);
      }
    }

    // if resource-scope doesn't contain command, fall back to cluster-scope configures
    if (cmd == null) {
      HelixConfigScope clusterScope =
          new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(clusterName).build();
      Map<String, String> cmdKeyValueMap =
          manager.getConfigAccessor().get(clusterScope, cmdConfigKeys);

      if (cmdKeyValueMap != null) {
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  private static void addConfiguration(ClusterSetup setup, String baseDir, String clusterName,
      String instanceName) throws IOException {
    Map<String, String> properties = new HashMap<String, String>();
    HelixConfigScopeBuilder builder = new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT);
    HelixConfigScope instanceScope =
        builder.forCluster(clusterName).forParticipant(instanceName).build();
    properties.put("change_log_dir", baseDir + instanceName + "/translog");
    properties.put("file_store_dir", baseDir + instanceName + "/filestore");
    properties.put("check_point_dir", baseDir + instanceName + "/checkpoint");
    setup.getClusterManagementTool().setConfig(instanceScope, properties);
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    admin =
        HelixManagerFactory.getZKHelixManager(cluster, "service-discovery",
            InstanceType.ADMINISTRATOR, zkAddress);
    admin.connect();
    admin.getClusterManagmentTool().addCluster(cluster, false);
    HelixConfigScope scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(cluster).build();

    Map<String, String> properties = new HashMap<String, String>();
    properties.put(ZKHelixManager.ALLOW_PARTICIPANT_AUTO_JOIN, String.valueOf(true));
    admin.getClusterManagmentTool().setConfig(scope, properties);
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    ZkClient zkClient = (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);
    HelixAdmin admin = setupTool.getClusterManagementTool();
    ZNRecord record = new ZNRecord(scopeProperty + " Config");

    HelixConfigScope scope = new HelixConfigScopeBuilder(scopeProperty, keys).build();
    // List<String> configKeys = admin.getConfigKeys(scopeProperty, clusterName, keys);
    List<String> configKeys = admin.getConfigKeys(scope);
    record.setListField(scopeProperty.toString(), configKeys);

    representation =
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    ZkClient zkClient = (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);
    HelixAdmin admin = setupTool.getClusterManagementTool();
    ZNRecord record = new ZNRecord(scopeProperty + " Config");

    HelixConfigScope scope = new HelixConfigScopeBuilder(scopeProperty, keys).build();
    List<String> configKeys = admin.getConfigKeys(scope);
    Map<String, String> configs = admin.getConfig(scope, configKeys);
    record.setSimpleFields(configs);

    representation =
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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");
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Related Classes of org.apache.helix.model.HelixConfigScope

  • org.apache.helix.agent.AgentStateModel
  • 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.manager.zk.ParticipantManagerHelper
  • org.apache.helix.manager.zk.TestZkClusterManager
  • org.apache.helix.manager.zk.TestZkHelixAdmin
  • org.apache.helix.manager.zk.ZKHelixManager
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