Package com.linkedin.helix.manager.zk

Examples of com.linkedin.helix.manager.zk.ZkClient

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  {
//    Logger.getRootLogger().setLevel(Level.INFO);
    System.out.println("START " + CLASS_NAME + " at "
        + new Date(System.currentTimeMillis()));

    _zkClient = new ZkClient(ZK_ADDR);
    _zkClient.setZkSerializer(new ZNRecordSerializer());
    String namespace = "/" + CLUSTER_NAME;
    if (_zkClient.exists(namespace))
    {
      _zkClient.deleteRecursive(namespace);
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  StringRepresentation getConfigKeys(ConfigScopeProperty scopeProperty, String... keys) throws Exception
  {
    StringRepresentation representation = null;
    String clusterName = getValue("clusterName");

    ZkClient zkClient =
        (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);
    HelixAdmin admin = setupTool.getClusterManagementTool();
    ZNRecord record = new ZNRecord(scopeProperty + " Config");
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                                  String... keys) throws Exception
  {
    StringRepresentation representation = null;
    String clusterName = getValue("clusterName");

    ZkClient zkClient =
        (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);
    HelixAdmin admin = setupTool.getClusterManagementTool();
    ZNRecord record = new ZNRecord(scopeProperty + " Config");
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  void setConfigs(Representation entity, String scopeStr) throws Exception
  {
    JsonParameters jsonParameters = new JsonParameters(entity);
    String command = jsonParameters.getCommand();

    ZkClient zkClient =
        (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);
    if (command.equalsIgnoreCase(ClusterSetup.setConfig))
    {
      jsonParameters.verifyCommand(ClusterSetup.setConfig);
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  // throws Exception
  public static void setupCluster(String uniqClusterName, String zkAddr, int numResources,
      int numPartitionsPerResource, int numInstances, int replica, boolean doRebalance)
      throws Exception
  {
    ZkClient zkClient = new ZkClient(zkAddr);
    zkClient.setZkSerializer(new ZNRecordSerializer());

    // String clusterName = CLUSTER_PREFIX + "_" + uniqClusterName;
    String clusterName = uniqClusterName;
    if (zkClient.exists("/" + clusterName))
    {
      LOG.warn("test cluster already exists:" + clusterName + ", test name:" + uniqClusterName
          + " is not unique or test has been run without cleaning up zk; deleting it");
      zkClient.deleteRecursive("/" + clusterName);
    }

    if (_testInfoMap.containsKey(uniqClusterName))
    {
      LOG.warn("test info already exists:" + uniqClusterName
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    List<String> list3 = Arrays.asList("x", "y");
    record.setListField("list1", list1);
    record.setListField("list2", list2);
    record.setListField("list3", list3);

    ZKPropertyStore<ZNRecord> store = new ZKPropertyStore<ZNRecord>(new ZkClient(ZK_ADDR),
        new ZNRecordJsonSerializer(), "/" + testRoot);

    store.setProperty("node1", record);
    ZNRecord newRecord = store.getProperty("node1");
    list1 = newRecord.getListField("list1");
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  protected final String _dbName = "TestDB0";

  @BeforeClass ()
  public void beforeClass() throws Exception
  {
    _zkClient = new ZkClient(ZK_ADDR);
    _zkClient.setZkSerializer(new ZNRecordSerializer());

    _setupTool = new ClusterSetup(ZK_ADDR);
  }
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  protected final String _dbName = "TestDB0";

  @BeforeClass ()
  public void beforeClass() throws Exception
  {
    _zkClient = new ZkClient(ZK_ADDR);
    _zkClient.setZkSerializer(new ZNRecordSerializer());

    _setupTool = new ClusterSetup(ZK_ADDR);
  }
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                                                       String instanceName,
                                                       String resourceGroup) throws JsonGenerationException,
      JsonMappingException,
      IOException
  {
    ZkClient zkClient = (ZkClient)getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    String instanceSessionId =
        ClusterRepresentationUtil.getInstanceSessionId(zkClient, clusterName,
                                                       instanceName);
    Builder keyBuilder = new PropertyKey.Builder(clusterName);
    String message =
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        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);

    // pause the cluster and make sure pause is persistent
    ZkClient zkClient = new ZkClient(ZK_ADDR);
    zkClient.setZkSerializer(new ZNRecordSerializer());
    final HelixDataAccessor tmpAccessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(zkClient));
   
    String cmd = "-zkSvr " + ZK_ADDR + " -enableCluster " + clusterName + " false";
    ClusterSetup.processCommandLineArgs(cmd.split(" "));
   
    tmpAccessor.setProperty(tmpAccessor.keyBuilder().pause(), new PauseSignal("pause"));
    zkClient.close();
   
    // wait for controller to be signaled by pause
    Thread.sleep(1000);

    // add a new resource group
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Related Classes of com.linkedin.helix.manager.zk.ZkClient

  • com.linkedin.helix.controller.restlet.ZKPropertyTransferServer
  • com.linkedin.helix.controller.TestControllerRebalancingTimer
  • com.linkedin.helix.controller.TestControllerRebalancingTimerPeriod
  • com.linkedin.helix.examples.IdealStateExample
  • com.linkedin.helix.healthcheck.TestAddDropAlert
  • com.linkedin.helix.healthcheck.TestExpandAlert
  • com.linkedin.helix.healthcheck.TestSimpleAlert
  • com.linkedin.helix.healthcheck.TestSimpleWildcardAlert
  • com.linkedin.helix.healthcheck.TestStalenessAlert
  • com.linkedin.helix.healthcheck.TestWildcardAlert
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