Package org.apache.helix.tools

Examples of org.apache.helix.tools.ClusterSetup

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  StringRepresentation getStateModelsRepresentation() throws JsonGenerationException,
      JsonMappingException, IOException {
    String clusterName = (String) getRequest().getAttributes().get("clusterName");
    ZkClient zkClient = (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);

    List<String> models = setupTool.getClusterManagementTool().getStateModelDefs(clusterName);

    ZNRecord modelDefinitions = new ZNRecord("modelDefinitions");
    modelDefinitions.setListField("models", models);

    StringRepresentation representation =
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        boolean enabled = Boolean.parseBoolean(jsonParameters.getParameter(JsonParameters.ENABLED));

        ZkClient zkClient =
            (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
        ClusterSetup setupTool = new ClusterSetup(zkClient);
        setupTool.getClusterManagementTool().enableInstance(clusterName, instanceName, enabled);
      } else if (command.equalsIgnoreCase(ClusterSetup.enablePartition)) {
        jsonParameters.verifyCommand(ClusterSetup.enablePartition);

        boolean enabled = Boolean.parseBoolean(jsonParameters.getParameter(JsonParameters.ENABLED));

        String[] partitions = jsonParameters.getParameter(JsonParameters.PARTITION).split(";");
        String resource = jsonParameters.getParameter(JsonParameters.RESOURCE);

        ZkClient zkClient =
            (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
        ClusterSetup setupTool = new ClusterSetup(zkClient);
        setupTool.getClusterManagementTool().enablePartition(enabled, clusterName, instanceName,
            resource, Arrays.asList(partitions));
      } else if (command.equalsIgnoreCase(ClusterSetup.resetPartition)) {
        jsonParameters.verifyCommand(ClusterSetup.resetPartition);

        String resource = jsonParameters.getParameter(JsonParameters.RESOURCE);

        ZkClient zkClient =
            (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
        ClusterSetup setupTool = new ClusterSetup(zkClient);
        String[] partitionNames =
            jsonParameters.getParameter(JsonParameters.PARTITION).split("\\s+");
        setupTool.getClusterManagementTool().resetPartition(clusterName, instanceName, resource,
            Arrays.asList(partitionNames));
      } else if (command.equalsIgnoreCase(ClusterSetup.resetInstance)) {
        jsonParameters.verifyCommand(ClusterSetup.resetInstance);

        ZkClient zkClient =
            (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
        ClusterSetup setupTool = new ClusterSetup(zkClient);
        setupTool.getClusterManagementTool()
            .resetInstance(clusterName, Arrays.asList(instanceName));
      } else if (command.equalsIgnoreCase(ClusterSetup.addInstanceTag)) {
        jsonParameters.verifyCommand(ClusterSetup.addInstanceTag);
        String tag = jsonParameters.getParameter(ClusterSetup.instanceGroupTag);
        ZkClient zkClient =
            (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
        ClusterSetup setupTool = new ClusterSetup(zkClient);
        setupTool.getClusterManagementTool().addInstanceTag(clusterName, instanceName, tag);
      } else if (command.equalsIgnoreCase(ClusterSetup.removeInstanceTag)) {
        jsonParameters.verifyCommand(ClusterSetup.removeInstanceTag);
        String tag = jsonParameters.getParameter(ClusterSetup.instanceGroupTag);
        ZkClient zkClient =
            (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
        ClusterSetup setupTool = new ClusterSetup(zkClient);
        setupTool.getClusterManagementTool().removeInstanceTag(clusterName, instanceName, tag);
      } else {
        throw new HelixException("Unsupported command: " + command + ". Should be one of ["
            + ClusterSetup.enableInstance + ", " + ClusterSetup.enablePartition + ", "
            + ClusterSetup.resetInstance + "]");
      }
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      String clusterName = (String) getRequest().getAttributes().get("clusterName");
      String instanceName = (String) getRequest().getAttributes().get("instanceName");
      ZkClient zkClient =
          (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);

      ClusterSetup setupTool = new ClusterSetup(zkClient);
      setupTool.dropInstanceFromCluster(clusterName, instanceName);
      getResponse().setStatus(Status.SUCCESS_OK);
    } catch (Exception e) {
      getResponse().setEntity(ClusterRepresentationUtil.getErrorAsJsonStringFromException(e),
          MediaType.APPLICATION_JSON);
      getResponse().setStatus(Status.SUCCESS_OK);
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    String constraintId = getValue("constraintId");

    try {
      ZkClient zkClient =
          (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
      ClusterSetup setupTool = new ClusterSetup(zkClient);
      JsonParameters jsonParameters = new JsonParameters(entity);

      String constraintAttrStr = jsonParameters.getParameter(JsonParameters.CONSTRAINT_ATTRIBUTES);
      setupTool.setConstraint(clusterName, constraintTypeStr, constraintId, constraintAttrStr);

    } catch (Exception e) {
      LOG.error("Error in posting " + entity, e);
      getResponse().setEntity(ClusterRepresentationUtil.getErrorAsJsonStringFromException(e),
          MediaType.APPLICATION_JSON);
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    String constraintId = getValue("constraintId");

    try {
      ZkClient zkClient =
          (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
      ClusterSetup setupTool = new ClusterSetup(zkClient);

      setupTool.removeConstraint(clusterName, constraintTypeStr, constraintId);

    } catch (Exception e) {
      LOG.error("Error in deleting ", e);
      getResponse().setEntity(ClusterRepresentationUtil.getErrorAsJsonStringFromException(e),
          MediaType.APPLICATION_JSON);
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    AssertJUnit.assertTrue(_zkServer != null);
    ZKClientPool.reset();

    _gZkClient = new ZkClient(ZK_ADDR);
    _gZkClient.setZkSerializer(new ZNRecordSerializer());
    _gSetupTool = new ClusterSetup(ZK_ADDR);

    // start admin
    _adminThread = new AdminThread(ZK_ADDR, ADMIN_PORT);
    _adminThread.start();
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  StringRepresentation getSchedulerTasksRepresentation() throws JsonGenerationException,
      JsonMappingException, IOException {
    String clusterName = (String) getRequest().getAttributes().get("clusterName");
    String instanceName = (String) getRequest().getAttributes().get("instanceName");
    ZkClient zkClient = (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);
    List<String> instances =
        setupTool.getClusterManagementTool().getInstancesInCluster(clusterName);

    HelixDataAccessor accessor =
        ClusterRepresentationUtil.getClusterDataAccessor(zkClient, clusterName);
    LiveInstance liveInstance =
        accessor.getProperty(accessor.keyBuilder().liveInstance(instanceName));
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    String namespace = "/" + CLUSTER_NAME;
    if (_gZkClient.exists(namespace)) {
      _gZkClient.deleteRecursive(namespace);
    }
    _setupTool = new ClusterSetup(ZK_ADDR);

    // setup storage cluster
    _setupTool.addCluster(CLUSTER_NAME, true);
    _setupTool.addResourceToCluster(CLUSTER_NAME, TEST_DB, _PARTITIONS, STATE_MODEL);
    for (int i = 0; i < NODE_NR; i++) {
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  public Representation post(Representation entity) {
    try {
      String clusterName = (String) getRequest().getAttributes().get("clusterName");
      ZkClient zkClient =
          (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
      ClusterSetup setupTool = new ClusterSetup(zkClient);

      JsonParameters jsonParameters = new JsonParameters(entity);
      String command = jsonParameters.getCommand();

      if (command == null) {
        throw new HelixException("Could NOT find 'command' in parameterMap: "
            + jsonParameters._parameterMap);
      } else if (command.equalsIgnoreCase(ClusterSetup.enableCluster)) {
        boolean enabled = Boolean.parseBoolean(jsonParameters.getParameter(JsonParameters.ENABLED));

        setupTool.getClusterManagementTool().enableCluster(clusterName, enabled);
      } else {
        throw new HelixException("Unsupported command: " + command + ". Should be one of ["
            + ClusterSetup.enableCluster + "]");
      }
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        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
            _firstClusterName));
    Assert.assertTrue(result, "first cluster NOT in ideal state");

    // add more controllers to controller cluster
    ClusterSetup setupTool = new ClusterSetup(ZK_ADDR);
    for (int i = 0; i < n; i++) {
      String controller = "controller_" + (n + i);
      setupTool.addInstanceToCluster(_controllerClusterName, controller);
    }
    setupTool.rebalanceStorageCluster(_controllerClusterName, _clusterNamePrefix + "0", 6);
    for (int i = n; i < 2 * n; i++) {
      _controllers[i] =
          new ClusterDistributedController(ZK_ADDR, _controllerClusterName, "controller_" + i);
      _controllers[i].syncStart();
    }
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Related Classes of org.apache.helix.tools.ClusterSetup

  • org.apache.commons.cli.CommandLine
  • org.apache.commons.cli.CommandLineParser
  • org.apache.commons.cli.GnuParser
  • org.apache.commons.cli.HelpFormatter
  • org.apache.commons.cli.Option
  • org.apache.commons.cli.OptionGroup
  • org.apache.commons.cli.Options
  • org.apache.helix.ConfigScope
  • org.apache.helix.ConfigScopeBuilder
  • org.apache.helix.filestore.IntegrationTest
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