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Posted to commits@helix.apache.org by ki...@apache.org on 2012/10/25 00:26:41 UTC

[24/47] Refactoring from com.linkedin.helix to org.apache.helix

http://git-wip-us.apache.org/repos/asf/incubator-helix/blob/3cb7a1c9/helix-core/src/main/java/com/linkedin/helix/tools/ClusterSetup.java
----------------------------------------------------------------------
diff --git a/helix-core/src/main/java/com/linkedin/helix/tools/ClusterSetup.java b/helix-core/src/main/java/com/linkedin/helix/tools/ClusterSetup.java
deleted file mode 100644
index fa6b452..0000000
--- a/helix-core/src/main/java/com/linkedin/helix/tools/ClusterSetup.java
+++ /dev/null
@@ -1,1853 +0,0 @@
-/**
- * Copyright (C) 2012 LinkedIn Inc <op...@linkedin.com>
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *         http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.linkedin.helix.tools;
-
-import java.io.DataInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.TreeMap;
-
-import org.apache.commons.cli.CommandLine;
-import org.apache.commons.cli.CommandLineParser;
-import org.apache.commons.cli.GnuParser;
-import org.apache.commons.cli.HelpFormatter;
-import org.apache.commons.cli.Option;
-import org.apache.commons.cli.OptionBuilder;
-import org.apache.commons.cli.OptionGroup;
-import org.apache.commons.cli.Options;
-import org.apache.commons.cli.ParseException;
-import org.apache.log4j.Logger;
-import org.codehaus.jackson.JsonGenerationException;
-import org.codehaus.jackson.map.JsonMappingException;
-
-import com.linkedin.helix.ConfigScope;
-import com.linkedin.helix.ConfigScopeBuilder;
-import com.linkedin.helix.HelixAdmin;
-import com.linkedin.helix.HelixConstants.StateModelToken;
-import com.linkedin.helix.HelixException;
-import com.linkedin.helix.PropertyKey.Builder;
-import com.linkedin.helix.ZNRecord;
-import com.linkedin.helix.manager.zk.ZKHelixAdmin;
-import com.linkedin.helix.manager.zk.ZKHelixDataAccessor;
-import com.linkedin.helix.manager.zk.ZNRecordSerializer;
-import com.linkedin.helix.manager.zk.ZkBaseDataAccessor;
-import com.linkedin.helix.manager.zk.ZkClient;
-import com.linkedin.helix.model.ExternalView;
-import com.linkedin.helix.model.IdealState;
-import com.linkedin.helix.model.IdealState.IdealStateModeProperty;
-import com.linkedin.helix.model.InstanceConfig;
-import com.linkedin.helix.model.LiveInstance;
-import com.linkedin.helix.model.StateModelDefinition;
-import com.linkedin.helix.util.ZKClientPool;
-
-public class ClusterSetup
-{
-  private static Logger logger = Logger.getLogger(ClusterSetup.class);
-  public static final String zkServerAddress = "zkSvr";
-
-  // List info about the cluster / DB/ Instances
-  public static final String listClusters = "listClusters";
-  public static final String listResources = "listResources";
-  public static final String listInstances = "listInstances";
-
-  // Add, drop, and rebalance
-  public static final String addCluster = "addCluster";
-  public static final String activateCluster = "activateCluster";
-  public static final String dropCluster = "dropCluster";
-  public static final String dropResource = "dropResource";
-  public static final String addInstance = "addNode";
-  public static final String addResource = "addResource";
-  public static final String addStateModelDef = "addStateModelDef";
-  public static final String addIdealState = "addIdealState";
-  public static final String swapInstance = "swapInstance";
-  public static final String dropInstance = "dropNode";
-  public static final String rebalance = "rebalance";
-  public static final String expandCluster = "expandCluster";
-  public static final String expandResource = "expandResource";
-  public static final String mode = "mode";
-  public static final String bucketSize = "bucketSize";
-  public static final String resourceKeyPrefix = "key";
-  public static final String addResourceProperty = "addResourceProperty";
-  public static final String removeResourceProperty = "removeResourceProperty";
-
-  // Query info (TBD in V2)
-  public static final String listClusterInfo = "listClusterInfo";
-  public static final String listInstanceInfo = "listInstanceInfo";
-  public static final String listResourceInfo = "listResourceInfo";
-  public static final String listPartitionInfo = "listPartitionInfo";
-  public static final String listStateModels = "listStateModels";
-  public static final String listStateModel = "listStateModel";
-
-  // enable/disable/reset instances/cluster/resource/partition
-  public static final String enableInstance = "enableInstance";
-  public static final String enablePartition = "enablePartition";
-  public static final String enableCluster = "enableCluster";
-  public static final String resetPartition = "resetPartition";
-  public static final String resetInstance = "resetInstance";
-  public static final String resetResource = "resetResource";
-
-  // help
-  public static final String help = "help";
-
-  // stats/alerts
-  public static final String addStat = "addStat";
-  public static final String addAlert = "addAlert";
-  public static final String dropStat = "dropStat";
-  public static final String dropAlert = "dropAlert";
-
-  // get/set configs
-  public static final String getConfig = "getConfig";
-  public static final String setConfig = "setConfig";
-  public static final String removeConfig = "removeConfig";
-
-  static Logger _logger = Logger.getLogger(ClusterSetup.class);
-  String _zkServerAddress;
-  ZkClient _zkClient;
-  HelixAdmin _admin;
-
-  public ClusterSetup(String zkServerAddress)
-  {
-    _zkServerAddress = zkServerAddress;
-    _zkClient = ZKClientPool.getZkClient(_zkServerAddress);
-    _admin = new ZKHelixAdmin(_zkClient);
-  }
-
-  public ClusterSetup(ZkClient zkClient)
-  {
-    _zkServerAddress = zkClient.getServers();
-    _zkClient = zkClient;
-    _admin = new ZKHelixAdmin(_zkClient);
-  }
-
-  public void addCluster(String clusterName, boolean overwritePrevious)
-  {
-    _admin.addCluster(clusterName, overwritePrevious);
-
-    StateModelConfigGenerator generator = new StateModelConfigGenerator();
-    addStateModelDef(clusterName,
-                     "MasterSlave",
-                     new StateModelDefinition(generator.generateConfigForMasterSlave()));
-    addStateModelDef(clusterName,
-                     "LeaderStandby",
-                     new StateModelDefinition(generator.generateConfigForLeaderStandby()));
-    addStateModelDef(clusterName,
-                     "StorageSchemata",
-                     new StateModelDefinition(generator.generateConfigForStorageSchemata()));
-    addStateModelDef(clusterName,
-                     "OnlineOffline",
-                     new StateModelDefinition(generator.generateConfigForOnlineOffline()));
-  }
-
-  public void activateCluster(String clusterName, String grandCluster, boolean enable)
-  {
-    if (enable)
-    {
-      _admin.addClusterToGrandCluster(clusterName, grandCluster);
-    }
-    else
-    {
-      _admin.dropResource(grandCluster, clusterName);
-    }
-  }
-
-  public void deleteCluster(String clusterName)
-  {
-    _admin.dropCluster(clusterName);
-  }
-
-  public void addInstancesToCluster(String clusterName, String[] InstanceInfoArray)
-  {
-    for (String InstanceInfo : InstanceInfoArray)
-    {
-      // the storage Instance info must be hostname:port format.
-      if (InstanceInfo.length() > 0)
-      {
-        addInstanceToCluster(clusterName, InstanceInfo);
-      }
-    }
-  }
-
-  public void addInstanceToCluster(String clusterName, String InstanceAddress)
-  {
-    // InstanceAddress must be in host:port format
-    int lastPos = InstanceAddress.lastIndexOf("_");
-    if (lastPos <= 0)
-    {
-      lastPos = InstanceAddress.lastIndexOf(":");
-    }
-    if (lastPos <= 0)
-    {
-      String error = "Invalid storage Instance info format: " + InstanceAddress;
-      _logger.warn(error);
-      throw new HelixException(error);
-    }
-    String host = InstanceAddress.substring(0, lastPos);
-    String portStr = InstanceAddress.substring(lastPos + 1);
-    int port = Integer.parseInt(portStr);
-    addInstanceToCluster(clusterName, host, port);
-  }
-
-  public void addInstanceToCluster(String clusterName, String host, int port)
-  {
-    String instanceId = host + "_" + port;
-    InstanceConfig config = new InstanceConfig(instanceId);
-    config.setHostName(host);
-    config.setPort(Integer.toString(port));
-    config.setInstanceEnabled(true);
-    _admin.addInstance(clusterName, config);
-  }
-
-  public void dropInstancesFromCluster(String clusterName, String[] InstanceInfoArray)
-  {
-    for (String InstanceInfo : InstanceInfoArray)
-    {
-      // the storage Instance info must be hostname:port format.
-      if (InstanceInfo.length() > 0)
-      {
-        dropInstanceFromCluster(clusterName, InstanceInfo);
-      }
-    }
-  }
-
-  public void dropInstanceFromCluster(String clusterName, String InstanceAddress)
-  {
-    // InstanceAddress must be in host:port format
-    int lastPos = InstanceAddress.lastIndexOf("_");
-    if (lastPos <= 0)
-    {
-      lastPos = InstanceAddress.lastIndexOf(":");
-    }
-    if (lastPos <= 0)
-    {
-      String error = "Invalid storage Instance info format: " + InstanceAddress;
-      _logger.warn(error);
-      throw new HelixException(error);
-    }
-    String host = InstanceAddress.substring(0, lastPos);
-    String portStr = InstanceAddress.substring(lastPos + 1);
-    int port = Integer.parseInt(portStr);
-    dropInstanceFromCluster(clusterName, host, port);
-  }
-
-  public void dropInstanceFromCluster(String clusterName, String host, int port)
-  {
-    String instanceId = host + "_" + port;
-
-    ZKHelixDataAccessor accessor =
-        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
-    Builder keyBuilder = accessor.keyBuilder();
-
-    // ensure node is stopped
-    LiveInstance liveInstance = accessor.getProperty(keyBuilder.liveInstance(instanceId));
-    if (liveInstance != null)
-    {
-      throw new HelixException("Can't drop " + instanceId + ", please stop " + instanceId
-          + " before drop it");
-    }
-
-    InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceId));
-    if (config == null)
-    {
-      String error = "Node " + instanceId + " does not exist, cannot drop";
-      _logger.warn(error);
-      throw new HelixException(error);
-    }
-
-    // ensure node is disabled, otherwise fail
-    if (config.getInstanceEnabled())
-    {
-      String error = "Node " + instanceId + " is enabled, cannot drop";
-      _logger.warn(error);
-      throw new HelixException(error);
-    }
-    _admin.dropInstance(clusterName, config);
-  }
-
-  public void swapInstance(String clusterName,
-                           String oldInstanceName,
-                           String newInstanceName)
-  {
-    ZKHelixDataAccessor accessor =
-        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_zkClient));
-    Builder keyBuilder = accessor.keyBuilder();
-
-    InstanceConfig oldConfig =
-        accessor.getProperty(keyBuilder.instanceConfig(oldInstanceName));
-    if (oldConfig == null)
-    {
-      String error = "Old instance " + oldInstanceName + " does not exist, cannot swap";
-      _logger.warn(error);
-      throw new HelixException(error);
-    }
-
-    InstanceConfig newConfig =
-        accessor.getProperty(keyBuilder.instanceConfig(newInstanceName));
-    if (newConfig == null)
-    {
-      String error = "New instance " + newInstanceName + " does not exist, cannot swap";
-      _logger.warn(error);
-      throw new HelixException(error);
-    }
-
-    // ensure old instance is disabled, otherwise fail
-    if (oldConfig.getInstanceEnabled())
-    {
-      String error =
-          "Old instance " + oldInstanceName
-              + " is enabled, it need to be disabled and turned off";
-      _logger.warn(error);
-      throw new HelixException(error);
-    }
-    // ensure old instance is down, otherwise fail
-    List<String> liveInstanceNames =
-        accessor.getChildNames(accessor.keyBuilder().liveInstances());
-
-    if (liveInstanceNames.contains(oldInstanceName))
-    {
-      String error =
-          "Old instance " + oldInstanceName
-              + " is still on, it need to be disabled and turned off";
-      _logger.warn(error);
-      throw new HelixException(error);
-    }
-
-    dropInstanceFromCluster(clusterName, oldInstanceName);
-
-    List<IdealState> existingIdealStates =
-        accessor.getChildValues(accessor.keyBuilder().idealStates());
-    for (IdealState idealState : existingIdealStates)
-    {
-      swapInstanceInIdealState(idealState, oldInstanceName, newInstanceName);
-      accessor.setProperty(accessor.keyBuilder()
-                                   .idealStates(idealState.getResourceName()), idealState);
-    }
-  }
-
-  void swapInstanceInIdealState(IdealState idealState,
-                                String oldInstance,
-                                String newInstance)
-  {
-    for (String partition : idealState.getRecord().getMapFields().keySet())
-    {
-      Map<String, String> valMap = idealState.getRecord().getMapField(partition);
-      if (valMap.containsKey(oldInstance))
-      {
-        valMap.put(newInstance, valMap.get(oldInstance));
-        valMap.remove(oldInstance);
-      }
-    }
-
-    for (String partition : idealState.getRecord().getListFields().keySet())
-    {
-      List<String> valList = idealState.getRecord().getListField(partition);
-      for (int i = 0; i < valList.size(); i++)
-      {
-        if (valList.get(i).equals(oldInstance))
-        {
-          valList.remove(i);
-          valList.add(i, newInstance);
-        }
-      }
-    }
-  }
-
-  public HelixAdmin getClusterManagementTool()
-  {
-    return _admin;
-  }
-
-  public void addStateModelDef(String clusterName,
-                               String stateModelDef,
-                               StateModelDefinition record)
-  {
-    _admin.addStateModelDef(clusterName, stateModelDef, record);
-  }
-
-  public void addResourceToCluster(String clusterName,
-                                   String resourceName,
-                                   int numResources,
-                                   String stateModelRef)
-  {
-    addResourceToCluster(clusterName,
-                         resourceName,
-                         numResources,
-                         stateModelRef,
-                         IdealStateModeProperty.AUTO.toString());
-  }
-
-  public void addResourceToCluster(String clusterName,
-                                   String resourceName,
-                                   int numResources,
-                                   String stateModelRef,
-                                   String idealStateMode)
-  {
-    _admin.addResource(clusterName,
-                       resourceName,
-                       numResources,
-                       stateModelRef,
-                       idealStateMode);
-  }
-
-  public void addResourceToCluster(String clusterName,
-                                   String resourceName,
-                                   int numResources,
-                                   String stateModelRef,
-                                   String idealStateMode,
-                                   int bucketSize)
-  {
-    _admin.addResource(clusterName,
-                       resourceName,
-                       numResources,
-                       stateModelRef,
-                       idealStateMode,
-                       bucketSize);
-  }
-
-  public void dropResourceFromCluster(String clusterName, String resourceName)
-  {
-    _admin.dropResource(clusterName, resourceName);
-  }
-
-  // TODO: remove this. has moved to ZkHelixAdmin
-  public void rebalanceStorageCluster(String clusterName, String resourceName, int replica)
-  {
-    rebalanceStorageCluster(clusterName, resourceName, replica, resourceName);
-  }
-
-  public void reblanceResource(String clusterName, String resourceName, int replica)
-  {
-    rebalanceStorageCluster(clusterName, resourceName, replica, resourceName); 
-  }
-  public void expandResource(String clusterName, String resourceName)
-  {
-    IdealState idealState = _admin.getResourceIdealState(clusterName, resourceName);
-    if (idealState.getIdealStateMode() == IdealStateModeProperty.AUTO_REBALANCE
-        || idealState.getIdealStateMode() == IdealStateModeProperty.CUSTOMIZED)
-    {
-      _logger.info("Skipping idealState " + idealState.getResourceName() + " "
-          + idealState.getIdealStateMode());
-      return;
-    }
-    boolean anyLiveInstance = false;
-    for (List<String> list : idealState.getRecord().getListFields().values())
-    {
-      if (list.contains(StateModelToken.ANY_LIVEINSTANCE.toString()))
-      {
-        _logger.info("Skipping idealState " + idealState.getResourceName()
-            + " with ANY_LIVEINSTANCE");
-        anyLiveInstance = true;
-        continue;
-      }
-    }
-    if (anyLiveInstance)
-    {
-      return;
-    }
-    try
-    {
-      int replica = Integer.parseInt(idealState.getReplicas());
-    }
-    catch (Exception e)
-    {
-      _logger.error("", e);
-      return;
-    }
-    if (idealState.getRecord().getListFields().size() == 0)
-    {
-      _logger.warn("Resource " + resourceName + " not balanced, skip");
-      return;
-    }
-    IdealState newIdealState = balanceIdealState(clusterName, idealState);
-    _admin.setResourceIdealState(clusterName, resourceName, newIdealState);
-  }
-
-  public void expandCluster(String clusterName)
-  {
-    List<String> resources = _admin.getResourcesInCluster(clusterName);
-    for (String resourceName : resources)
-    {
-      expandResource(clusterName, resourceName);
-    }
-  }
-
-  public String[] parseStates(String clusterName, String stateModelName)
-  {
-    String[] result = new String[2];
-    String masterStateValue = null, slaveStateValue = null;
-    StateModelDefinition stateModDef =
-        _admin.getStateModelDef(clusterName, stateModelName);
-
-    if (stateModDef == null)
-    {
-      throw new HelixException("cannot find state model: " + stateModelName);
-    }
-    // StateModelDefinition def = new StateModelDefinition(stateModDef);
-
-    List<String> statePriorityList = stateModDef.getStatesPriorityList();
-
-    for (String state : statePriorityList)
-    {
-      String count = stateModDef.getNumInstancesPerState(state);
-      if (count.equals("1"))
-      {
-        if (masterStateValue != null)
-        {
-          throw new HelixException("Invalid or unsupported state model definition");
-        }
-        masterStateValue = state;
-      }
-      else if (count.equalsIgnoreCase("R"))
-      {
-        if (slaveStateValue != null)
-        {
-          throw new HelixException("Invalid or unsupported state model definition");
-        }
-        slaveStateValue = state;
-      }
-      else if (count.equalsIgnoreCase("N"))
-      {
-        if (!(masterStateValue == null && slaveStateValue == null))
-        {
-          throw new HelixException("Invalid or unsupported state model definition");
-        }
-        masterStateValue = slaveStateValue = state;
-      }
-    }
-    if (masterStateValue == null && slaveStateValue == null)
-    {
-      throw new HelixException("Invalid or unsupported state model definition");
-    }
-
-    if (masterStateValue == null)
-    {
-      masterStateValue = slaveStateValue;
-    }
-    result[0] = masterStateValue;
-    result[1] = slaveStateValue;
-    return result;
-  }
-
-  public IdealState balanceIdealState(String clusterName, IdealState idealState)
-  {
-    // The new instances are added into the cluster already. So we need to find out the
-    // instances that
-    // already have partitions assigned to them.
-    List<String> instanceNames = _admin.getInstancesInCluster(clusterName);
-    Set<String> activeInstances = new HashSet<String>();
-    for (String partition : idealState.getPartitionSet())
-    {
-      activeInstances.addAll(idealState.getRecord().getListField(partition));
-    }
-    instanceNames.removeAll(activeInstances);
-    Map<String, Object> previousIdealState = buildInternalIdealState(idealState);
-
-    Map<String, Object> balancedRecord =
-        IdealStateCalculatorForStorageNode.calculateNextIdealState(instanceNames,
-                                                                   previousIdealState);
-
-    String[] states = parseStates(clusterName, idealState.getStateModelDefRef());
-
-    ZNRecord newIdealStateRecord =
-        IdealStateCalculatorForStorageNode.convertToZNRecord(balancedRecord,
-                                                             idealState.getResourceName(),
-                                                             states[0],
-                                                             states[1]);
-    Set<String> partitionSet = new HashSet<String>();
-    partitionSet.addAll(newIdealStateRecord.getMapFields().keySet());
-    partitionSet.addAll(newIdealStateRecord.getListFields().keySet());
-
-    Map<String, String> reversePartitionIndex =
-        (Map<String, String>) balancedRecord.get("reversePartitionIndex");
-    for (String partition : partitionSet)
-    {
-      if (reversePartitionIndex.containsKey(partition))
-      {
-        String originPartitionName = reversePartitionIndex.get(partition);
-        if (partition.equals(originPartitionName))
-        {
-          continue;
-        }
-        newIdealStateRecord.getMapFields()
-                           .put(originPartitionName,
-                                newIdealStateRecord.getMapField(partition));
-        newIdealStateRecord.getMapFields().remove(partition);
-
-        newIdealStateRecord.getListFields()
-                           .put(originPartitionName,
-                                newIdealStateRecord.getListField(partition));
-        newIdealStateRecord.getListFields().remove(partition);
-      }
-    }
-
-    newIdealStateRecord.getSimpleFields()
-                       .putAll(idealState.getRecord().getSimpleFields());
-    return new IdealState(newIdealStateRecord);
-
-  }
-
-  public static Map<String, Object> buildInternalIdealState(IdealState state)
-  {
-    // Try parse the partition number from name DB_n. If not, sort the partitions and
-    // assign id
-    Map<String, Integer> partitionIndex = new HashMap<String, Integer>();
-    Map<String, String> reversePartitionIndex = new HashMap<String, String>();
-    boolean indexInPartitionName = true;
-    for (String partitionId : state.getPartitionSet())
-    {
-      int lastPos = partitionId.lastIndexOf("_");
-      if (lastPos < 0)
-      {
-        indexInPartitionName = false;
-        break;
-      }
-      try
-      {
-        String idStr = partitionId.substring(lastPos + 1);
-        int partition = Integer.parseInt(idStr);
-        partitionIndex.put(partitionId, partition);
-        reversePartitionIndex.put(state.getResourceName() + "_" + partition, partitionId);
-      }
-      catch (Exception e)
-      {
-        indexInPartitionName = false;
-        partitionIndex.clear();
-        reversePartitionIndex.clear();
-        break;
-      }
-    }
-
-    if (indexInPartitionName == false)
-    {
-      List<String> partitions = new ArrayList<String>();
-      partitions.addAll(state.getPartitionSet());
-      Collections.sort(partitions);
-      for (int i = 0; i < partitions.size(); i++)
-      {
-        partitionIndex.put(partitions.get(i), i);
-        reversePartitionIndex.put(state.getResourceName() + "_" + i, partitions.get(i));
-      }
-    }
-
-    Map<String, List<Integer>> nodeMasterAssignmentMap =
-        new TreeMap<String, List<Integer>>();
-    Map<String, Map<String, List<Integer>>> combinedNodeSlaveAssignmentMap =
-        new TreeMap<String, Map<String, List<Integer>>>();
-    for (String partition : state.getPartitionSet())
-    {
-      List<String> instances = state.getRecord().getListField(partition);
-      String master = instances.get(0);
-      if (!nodeMasterAssignmentMap.containsKey(master))
-      {
-        nodeMasterAssignmentMap.put(master, new ArrayList<Integer>());
-      }
-      if (!combinedNodeSlaveAssignmentMap.containsKey(master))
-      {
-        combinedNodeSlaveAssignmentMap.put(master, new TreeMap<String, List<Integer>>());
-      }
-      nodeMasterAssignmentMap.get(master).add(partitionIndex.get(partition));
-      for (int i = 1; i < instances.size(); i++)
-      {
-        String instance = instances.get(i);
-        Map<String, List<Integer>> slaveMap = combinedNodeSlaveAssignmentMap.get(master);
-        if (!slaveMap.containsKey(instance))
-        {
-          slaveMap.put(instance, new ArrayList<Integer>());
-        }
-        slaveMap.get(instance).add(partitionIndex.get(partition));
-      }
-    }
-
-    Map<String, Object> result = new TreeMap<String, Object>();
-    result.put("MasterAssignmentMap", nodeMasterAssignmentMap);
-    result.put("SlaveAssignmentMap", combinedNodeSlaveAssignmentMap);
-    result.put("replicas", Integer.parseInt(state.getReplicas()));
-    result.put("partitions", new Integer(state.getRecord().getListFields().size()));
-    result.put("reversePartitionIndex", reversePartitionIndex);
-    return result;
-  }
-
-  // TODO: remove this. has moved to ZkHelixAdmin
-  public void rebalanceStorageCluster(String clusterName,
-                                      String resourceName,
-                                      int replica,
-                                      String keyPrefix)
-  {
-    List<String> InstanceNames = _admin.getInstancesInCluster(clusterName);
-    // ensure we get the same idealState with the same set of instances
-    Collections.sort(InstanceNames);
-
-    IdealState idealState = _admin.getResourceIdealState(clusterName, resourceName);
-    if (idealState == null)
-    {
-      throw new HelixException("Resource: " + resourceName + " has NOT been added yet");
-    }
-
-    idealState.setReplicas(Integer.toString(replica));
-    int partitions = idealState.getNumPartitions();
-    String stateModelName = idealState.getStateModelDefRef();
-    StateModelDefinition stateModDef =
-        _admin.getStateModelDef(clusterName, stateModelName);
-
-    if (stateModDef == null)
-    {
-      throw new HelixException("cannot find state model: " + stateModelName);
-    }
-    // StateModelDefinition def = new StateModelDefinition(stateModDef);
-
-    List<String> statePriorityList = stateModDef.getStatesPriorityList();
-
-    String masterStateValue = null;
-    String slaveStateValue = null;
-    replica--;
-
-    for (String state : statePriorityList)
-    {
-      String count = stateModDef.getNumInstancesPerState(state);
-      if (count.equals("1"))
-      {
-        if (masterStateValue != null)
-        {
-          throw new HelixException("Invalid or unsupported state model definition");
-        }
-        masterStateValue = state;
-      }
-      else if (count.equalsIgnoreCase("R"))
-      {
-        if (slaveStateValue != null)
-        {
-          throw new HelixException("Invalid or unsupported state model definition");
-        }
-        slaveStateValue = state;
-      }
-      else if (count.equalsIgnoreCase("N"))
-      {
-        if (!(masterStateValue == null && slaveStateValue == null))
-        {
-          throw new HelixException("Invalid or unsupported state model definition");
-        }
-        replica = InstanceNames.size() - 1;
-        masterStateValue = slaveStateValue = state;
-      }
-    }
-    if (masterStateValue == null && slaveStateValue == null)
-    {
-      throw new HelixException("Invalid or unsupported state model definition");
-    }
-
-    if (masterStateValue == null)
-    {
-      masterStateValue = slaveStateValue;
-    }
-    if (idealState.getIdealStateMode() != IdealStateModeProperty.AUTO_REBALANCE)
-    {
-      ZNRecord newIdealState =
-          IdealStateCalculatorForStorageNode.calculateIdealState(InstanceNames,
-                                                                 partitions,
-                                                                 replica,
-                                                                 keyPrefix,
-                                                                 masterStateValue,
-                                                                 slaveStateValue);
-
-      // for now keep mapField in AUTO mode and remove listField in CUSTOMIZED mode
-      if (idealState.getIdealStateMode() == IdealStateModeProperty.AUTO)
-      {
-        idealState.getRecord().setListFields(newIdealState.getListFields());
-        idealState.getRecord().setMapFields(newIdealState.getMapFields());
-      }
-      if (idealState.getIdealStateMode() == IdealStateModeProperty.CUSTOMIZED)
-      {
-        idealState.getRecord().setMapFields(newIdealState.getMapFields());
-      }
-    }
-    else
-    {
-      for (int i = 0; i < partitions; i++)
-      {
-        String partitionName = keyPrefix + "_" + i;
-        idealState.getRecord().setMapField(partitionName, new HashMap<String, String>());
-        idealState.getRecord().setListField(partitionName, new ArrayList<String>());
-      }
-    }
-    _admin.setResourceIdealState(clusterName, resourceName, idealState);
-  }
-
-  /**
-   * setConfig
-   * 
-   * @param scopeStr
-   *          : scope=value, ... where scope=CLUSTER, RESOURCE, PARTICIPANT, PARTITION
-   * @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)
-    {
-      int idx = property.indexOf('=');
-      if (idx == -1)
-      {
-        logger.error("Invalid property string: " + property);
-        continue;
-      }
-
-      String key = property.substring(0, idx);
-      String value = property.substring(idx + 1);
-      propertiesMap.put(key, value);
-    }
-    logger.debug("propertiesMap: " + propertiesMap);
-
-    _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));
-
-    _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));
-
-    Map<String, String> propertiesMap = _admin.getConfig(scope, keysSet);
-    StringBuffer sb = new StringBuffer();
-    for (String key : keys)
-    {
-      if (propertiesMap.containsKey(key))
-      {
-        if (sb.length() > 0)
-        {
-          sb.append("," + key + "=" + propertiesMap.get(key));
-        }
-        else
-        {
-          // sb.length()==0 means the first key=value
-          sb.append(key + "=" + propertiesMap.get(key));
-        }
-      }
-      else
-      {
-        logger.error("Config doesn't exist for key: " + key);
-      }
-    }
-
-    System.out.println(sb.toString());
-    return sb.toString();
-  }
-
-  /**
-   * Sets up a cluster with 6 Instances[localhost:8900 to localhost:8905], 1
-   * resource[EspressoDB] with a replication factor of 3
-   * 
-   * @param clusterName
-   */
-  public void setupTestCluster(String clusterName)
-  {
-    addCluster(clusterName, true);
-    String storageInstanceInfoArray[] = new String[6];
-    for (int i = 0; i < storageInstanceInfoArray.length; i++)
-    {
-      storageInstanceInfoArray[i] = "localhost:" + (8900 + i);
-    }
-    addInstancesToCluster(clusterName, storageInstanceInfoArray);
-    addResourceToCluster(clusterName, "TestDB", 10, "MasterSlave");
-    rebalanceStorageCluster(clusterName, "TestDB", 3);
-  }
-
-  public static void printUsage(Options cliOptions)
-  {
-    HelpFormatter helpFormatter = new HelpFormatter();
-    helpFormatter.setWidth(1000);
-    helpFormatter.printHelp("java " + ClusterSetup.class.getName(), cliOptions);
-  }
-
-  @SuppressWarnings("static-access")
-  private static Options constructCommandLineOptions()
-  {
-    Option helpOption =
-        OptionBuilder.withLongOpt(help)
-                     .withDescription("Prints command-line options info")
-                     .create();
-
-    Option zkServerOption =
-        OptionBuilder.withLongOpt(zkServerAddress)
-                     .withDescription("Provide zookeeper address")
-                     .create();
-    zkServerOption.setArgs(1);
-    zkServerOption.setRequired(true);
-    zkServerOption.setArgName("ZookeeperServerAddress(Required)");
-
-    Option listClustersOption =
-        OptionBuilder.withLongOpt(listClusters)
-                     .withDescription("List existing clusters")
-                     .create();
-    listClustersOption.setArgs(0);
-    listClustersOption.setRequired(false);
-
-    Option listResourceOption =
-        OptionBuilder.withLongOpt(listResources)
-                     .withDescription("List resources hosted in a cluster")
-                     .create();
-    listResourceOption.setArgs(1);
-    listResourceOption.setRequired(false);
-    listResourceOption.setArgName("clusterName");
-
-    Option listInstancesOption =
-        OptionBuilder.withLongOpt(listInstances)
-                     .withDescription("List Instances in a cluster")
-                     .create();
-    listInstancesOption.setArgs(1);
-    listInstancesOption.setRequired(false);
-    listInstancesOption.setArgName("clusterName");
-
-    Option addClusterOption =
-        OptionBuilder.withLongOpt(addCluster)
-                     .withDescription("Add a new cluster")
-                     .create();
-    addClusterOption.setArgs(1);
-    addClusterOption.setRequired(false);
-    addClusterOption.setArgName("clusterName");
-
-    Option activateClusterOption =
-        OptionBuilder.withLongOpt(activateCluster)
-                     .withDescription("Enable/disable a cluster in distributed controller mode")
-                     .create();
-    activateClusterOption.setArgs(3);
-    activateClusterOption.setRequired(false);
-    activateClusterOption.setArgName("clusterName grandCluster true/false");
-
-    Option deleteClusterOption =
-        OptionBuilder.withLongOpt(dropCluster)
-                     .withDescription("Delete a cluster")
-                     .create();
-    deleteClusterOption.setArgs(1);
-    deleteClusterOption.setRequired(false);
-    deleteClusterOption.setArgName("clusterName");
-
-    Option addInstanceOption =
-        OptionBuilder.withLongOpt(addInstance)
-                     .withDescription("Add a new Instance to a cluster")
-                     .create();
-    addInstanceOption.setArgs(2);
-    addInstanceOption.setRequired(false);
-    addInstanceOption.setArgName("clusterName InstanceAddress(host:port)");
-
-    Option addResourceOption =
-        OptionBuilder.withLongOpt(addResource)
-                     .withDescription("Add a resource to a cluster")
-                     .create();
-    addResourceOption.setArgs(4);
-    addResourceOption.setRequired(false);
-    addResourceOption.setArgName("clusterName resourceName partitionNum stateModelRef <-mode modeValue>");
-
-    Option expandResourceOption =
-        OptionBuilder.withLongOpt(expandResource)
-                     .withDescription("Expand resource to additional nodes")
-                     .create();
-    expandResourceOption.setArgs(2);
-    expandResourceOption.setRequired(false);
-    expandResourceOption.setArgName("clusterName resourceName");
-
-    Option expandClusterOption =
-        OptionBuilder.withLongOpt(expandCluster)
-                     .withDescription("Expand a cluster and all the resources")
-                     .create();
-    expandClusterOption.setArgs(1);
-    expandClusterOption.setRequired(false);
-    expandClusterOption.setArgName("clusterName");
-
-    Option resourceModeOption =
-        OptionBuilder.withLongOpt(mode)
-                     .withDescription("Specify resource mode, used with addResourceGroup command")
-                     .create();
-    resourceModeOption.setArgs(1);
-    resourceModeOption.setRequired(false);
-    resourceModeOption.setArgName("IdealState mode");
-
-    Option resourceBucketSizeOption =
-        OptionBuilder.withLongOpt(bucketSize)
-                     .withDescription("Specify size of a bucket, used with addResourceGroup command")
-                     .create();
-    resourceBucketSizeOption.setArgs(1);
-    resourceBucketSizeOption.setRequired(false);
-    resourceBucketSizeOption.setArgName("Size of a bucket for a resource");
-
-    Option resourceKeyOption =
-        OptionBuilder.withLongOpt(resourceKeyPrefix)
-                     .withDescription("Specify resource key prefix, used with rebalance command")
-                     .create();
-    resourceKeyOption.setArgs(1);
-    resourceKeyOption.setRequired(false);
-    resourceKeyOption.setArgName("Resource key prefix");
-
-    Option addStateModelDefOption =
-        OptionBuilder.withLongOpt(addStateModelDef)
-                     .withDescription("Add a State model to a cluster")
-                     .create();
-    addStateModelDefOption.setArgs(2);
-    addStateModelDefOption.setRequired(false);
-    addStateModelDefOption.setArgName("clusterName <filename>");
-
-    Option addIdealStateOption =
-        OptionBuilder.withLongOpt(addIdealState)
-                     .withDescription("Add a State model to a cluster")
-                     .create();
-    addIdealStateOption.setArgs(3);
-    addIdealStateOption.setRequired(false);
-    addIdealStateOption.setArgName("clusterName resourceName <filename>");
-
-    Option dropInstanceOption =
-        OptionBuilder.withLongOpt(dropInstance)
-                     .withDescription("Drop an existing Instance from a cluster")
-                     .create();
-    dropInstanceOption.setArgs(2);
-    dropInstanceOption.setRequired(false);
-    dropInstanceOption.setArgName("clusterName InstanceAddress(host:port)");
-
-    Option swapInstanceOption =
-        OptionBuilder.withLongOpt(swapInstance)
-                     .withDescription("Swap an old instance from a cluster with a new instance")
-                     .create();
-    swapInstanceOption.setArgs(3);
-    swapInstanceOption.setRequired(false);
-    swapInstanceOption.setArgName("clusterName oldInstance newInstance");
-
-    Option dropResourceOption =
-        OptionBuilder.withLongOpt(dropResource)
-                     .withDescription("Drop an existing resource from a cluster")
-                     .create();
-    dropResourceOption.setArgs(2);
-    dropResourceOption.setRequired(false);
-    dropResourceOption.setArgName("clusterName resourceName");
-
-    Option rebalanceOption =
-        OptionBuilder.withLongOpt(rebalance)
-                     .withDescription("Rebalance a resource in a cluster")
-                     .create();
-    rebalanceOption.setArgs(3);
-    rebalanceOption.setRequired(false);
-    rebalanceOption.setArgName("clusterName resourceName replicas");
-
-    Option instanceInfoOption =
-        OptionBuilder.withLongOpt(listInstanceInfo)
-                     .withDescription("Query info of a Instance in a cluster")
-                     .create();
-    instanceInfoOption.setArgs(2);
-    instanceInfoOption.setRequired(false);
-    instanceInfoOption.setArgName("clusterName InstanceName");
-
-    Option clusterInfoOption =
-        OptionBuilder.withLongOpt(listClusterInfo)
-                     .withDescription("Query info of a cluster")
-                     .create();
-    clusterInfoOption.setArgs(1);
-    clusterInfoOption.setRequired(false);
-    clusterInfoOption.setArgName("clusterName");
-
-    Option resourceInfoOption =
-        OptionBuilder.withLongOpt(listResourceInfo)
-                     .withDescription("Query info of a resource")
-                     .create();
-    resourceInfoOption.setArgs(2);
-    resourceInfoOption.setRequired(false);
-    resourceInfoOption.setArgName("clusterName resourceName");
-
-    Option addResourcePropertyOption =
-        OptionBuilder.withLongOpt(addResourceProperty)
-                     .withDescription("Add a resource property")
-                     .create();
-    addResourcePropertyOption.setArgs(4);
-    addResourcePropertyOption.setRequired(false);
-    addResourcePropertyOption.setArgName("clusterName resourceName propertyName propertyValue");
-
-    Option removeResourcePropertyOption =
-        OptionBuilder.withLongOpt(removeResourceProperty)
-                     .withDescription("Remove a resource property")
-                     .create();
-    removeResourcePropertyOption.setArgs(3);
-    removeResourcePropertyOption.setRequired(false);
-    removeResourcePropertyOption.setArgName("clusterName resourceName propertyName");
-
-    Option partitionInfoOption =
-        OptionBuilder.withLongOpt(listPartitionInfo)
-                     .withDescription("Query info of a partition")
-                     .create();
-    partitionInfoOption.setArgs(3);
-    partitionInfoOption.setRequired(false);
-    partitionInfoOption.setArgName("clusterName resourceName partitionName");
-
-    Option enableInstanceOption =
-        OptionBuilder.withLongOpt(enableInstance)
-                     .withDescription("Enable/disable a Instance")
-                     .create();
-    enableInstanceOption.setArgs(3);
-    enableInstanceOption.setRequired(false);
-    enableInstanceOption.setArgName("clusterName InstanceName true/false");
-
-    Option enablePartitionOption =
-        OptionBuilder.hasArgs()
-                     .withLongOpt(enablePartition)
-                     .withDescription("Enable/disable partitions")
-                     .create();
-    enablePartitionOption.setRequired(false);
-    enablePartitionOption.setArgName("true/false clusterName instanceName resourceName partitionName1...");
-
-    Option enableClusterOption =
-        OptionBuilder.withLongOpt(enableCluster)
-                     .withDescription("pause/resume the controller of a cluster")
-                     .create();
-    enableClusterOption.setArgs(2);
-    enableClusterOption.setRequired(false);
-    enableClusterOption.setArgName("clusterName true/false");
-
-    Option resetPartitionOption =
-        OptionBuilder.withLongOpt(resetPartition)
-                     .withDescription("Reset a partition in error state")
-                     .create();
-    resetPartitionOption.setArgs(4);
-    resetPartitionOption.setRequired(false);
-    resetPartitionOption.setArgName("clusterName instanceName resourceName partitionName");
-
-    Option resetInstanceOption =
-        OptionBuilder.withLongOpt(resetInstance)
-                     .withDescription("Reset all partitions in error state for an instance")
-                     .create();
-    resetInstanceOption.setArgs(2);
-    resetInstanceOption.setRequired(false);
-    resetInstanceOption.setArgName("clusterName instanceName");
-
-    Option resetResourceOption =
-        OptionBuilder.withLongOpt(resetResource)
-                     .withDescription("Reset all partitions in error state for a resource")
-                     .create();
-    resetResourceOption.setArgs(2);
-    resetResourceOption.setRequired(false);
-    resetResourceOption.setArgName("clusterName resourceName");
-
-    Option listStateModelsOption =
-        OptionBuilder.withLongOpt(listStateModels)
-                     .withDescription("Query info of state models in a cluster")
-                     .create();
-    listStateModelsOption.setArgs(1);
-    listStateModelsOption.setRequired(false);
-    listStateModelsOption.setArgName("clusterName");
-
-    Option listStateModelOption =
-        OptionBuilder.withLongOpt(listStateModel)
-                     .withDescription("Query info of a state model in a cluster")
-                     .create();
-    listStateModelOption.setArgs(2);
-    listStateModelOption.setRequired(false);
-    listStateModelOption.setArgName("clusterName stateModelName");
-
-    Option addStatOption =
-        OptionBuilder.withLongOpt(addStat)
-                     .withDescription("Add a persistent stat")
-                     .create();
-    addStatOption.setArgs(2);
-    addStatOption.setRequired(false);
-    addStatOption.setArgName("clusterName statName");
-    Option addAlertOption =
-        OptionBuilder.withLongOpt(addAlert).withDescription("Add an alert").create();
-    addAlertOption.setArgs(2);
-    addAlertOption.setRequired(false);
-    addAlertOption.setArgName("clusterName alertName");
-
-    Option dropStatOption =
-        OptionBuilder.withLongOpt(dropStat)
-                     .withDescription("Drop a persistent stat")
-                     .create();
-    dropStatOption.setArgs(2);
-    dropStatOption.setRequired(false);
-    dropStatOption.setArgName("clusterName statName");
-    Option dropAlertOption =
-        OptionBuilder.withLongOpt(dropAlert).withDescription("Drop an alert").create();
-    dropAlertOption.setArgs(2);
-    dropAlertOption.setRequired(false);
-    dropAlertOption.setArgName("clusterName alertName");
-
-    // set/get configs option
-    Option setConfOption =
-        OptionBuilder.withLongOpt(setConfig).withDescription("Set a config").create();
-    setConfOption.setArgs(2);
-    setConfOption.setRequired(false);
-    setConfOption.setArgName("ConfigScope(e.g. CLUSTER=cluster,RESOURCE=rc,...) KeyValueMap(e.g. k1=v1,k2=v2,...)");
-
-    Option getConfOption =
-        OptionBuilder.withLongOpt(getConfig).withDescription("Get a config").create();
-    getConfOption.setArgs(2);
-    getConfOption.setRequired(false);
-    getConfOption.setArgName("ConfigScope(e.g. CLUSTER=cluster,RESOURCE=rc,...) KeySet(e.g. k1,k2,...)");
-
-    OptionGroup group = new OptionGroup();
-    group.setRequired(true);
-    group.addOption(rebalanceOption);
-    group.addOption(addResourceOption);
-    group.addOption(resourceModeOption);
-    group.addOption(resourceBucketSizeOption);
-    group.addOption(expandResourceOption);
-    group.addOption(expandClusterOption);
-    group.addOption(resourceKeyOption);
-    group.addOption(addClusterOption);
-    group.addOption(activateClusterOption);
-    group.addOption(deleteClusterOption);
-    group.addOption(addInstanceOption);
-    group.addOption(listInstancesOption);
-    group.addOption(listResourceOption);
-    group.addOption(listClustersOption);
-    group.addOption(addIdealStateOption);
-    group.addOption(rebalanceOption);
-    group.addOption(dropInstanceOption);
-    group.addOption(swapInstanceOption);
-    group.addOption(dropResourceOption);
-    group.addOption(instanceInfoOption);
-    group.addOption(clusterInfoOption);
-    group.addOption(resourceInfoOption);
-    group.addOption(partitionInfoOption);
-    group.addOption(enableInstanceOption);
-    group.addOption(enablePartitionOption);
-    group.addOption(enableClusterOption);
-    group.addOption(resetPartitionOption);
-    group.addOption(resetInstanceOption);
-    group.addOption(resetResourceOption);
-    group.addOption(addStateModelDefOption);
-    group.addOption(listStateModelsOption);
-    group.addOption(listStateModelOption);
-    group.addOption(addStatOption);
-    group.addOption(addAlertOption);
-    group.addOption(dropStatOption);
-    group.addOption(dropAlertOption);
-    group.addOption(setConfOption);
-    group.addOption(getConfOption);
-    group.addOption(addResourcePropertyOption);
-    group.addOption(removeResourcePropertyOption);
-
-    Options options = new Options();
-    options.addOption(helpOption);
-    options.addOption(zkServerOption);
-    options.addOptionGroup(group);
-    return options;
-  }
-  
-  // TODO: remove this. has moved to ZkHelixAdmin
-  private static byte[] readFile(String filePath) throws IOException
-  {
-    File file = new File(filePath);
-
-    int size = (int) file.length();
-    byte[] bytes = new byte[size];
-    DataInputStream dis = new DataInputStream(new FileInputStream(file));
-    int read = 0;
-    int numRead = 0;
-    while (read < bytes.length
-        && (numRead = dis.read(bytes, read, bytes.length - read)) >= 0)
-    {
-      read = read + numRead;
-    }
-    return bytes;
-  }
-
-  public static int processCommandLineArgs(String[] cliArgs) throws Exception
-  {
-    CommandLineParser cliParser = new GnuParser();
-    Options cliOptions = constructCommandLineOptions();
-    CommandLine cmd = null;
-
-    try
-    {
-      cmd = cliParser.parse(cliOptions, cliArgs);
-    }
-    catch (ParseException pe)
-    {
-      System.err.println("CommandLineClient: failed to parse command-line options: "
-          + pe.toString());
-      printUsage(cliOptions);
-      System.exit(1);
-    }
-
-    ClusterSetup setupTool = new ClusterSetup(cmd.getOptionValue(zkServerAddress));
-
-    if (cmd.hasOption(addCluster))
-    {
-      String clusterName = cmd.getOptionValue(addCluster);
-      setupTool.addCluster(clusterName, false);
-      return 0;
-    }
-
-    if (cmd.hasOption(activateCluster))
-    {
-      String clusterName = cmd.getOptionValues(activateCluster)[0];
-      String grandCluster = cmd.getOptionValues(activateCluster)[1];
-      boolean enable = Boolean.parseBoolean(cmd.getOptionValues(activateCluster)[2]);
-      setupTool.activateCluster(clusterName, grandCluster, enable);
-      return 0;
-    }
-
-    if (cmd.hasOption(dropCluster))
-    {
-      String clusterName = cmd.getOptionValue(dropCluster);
-      setupTool.deleteCluster(clusterName);
-      return 0;
-    }
-
-    if (cmd.hasOption(addInstance))
-    {
-      String clusterName = cmd.getOptionValues(addInstance)[0];
-      String InstanceAddressInfo = cmd.getOptionValues(addInstance)[1];
-      String[] InstanceAddresses = InstanceAddressInfo.split(";");
-      setupTool.addInstancesToCluster(clusterName, InstanceAddresses);
-      return 0;
-    }
-
-    if (cmd.hasOption(addResource))
-    {
-      String clusterName = cmd.getOptionValues(addResource)[0];
-      String resourceName = cmd.getOptionValues(addResource)[1];
-      int partitions = Integer.parseInt(cmd.getOptionValues(addResource)[2]);
-      String stateModelRef = cmd.getOptionValues(addResource)[3];
-      String modeValue = IdealStateModeProperty.AUTO.toString();
-      if (cmd.hasOption(mode))
-      {
-        modeValue = cmd.getOptionValues(mode)[0];
-      }
-
-      int bucketSizeVal = 0;
-      if (cmd.hasOption(bucketSize))
-      {
-        bucketSizeVal = Integer.parseInt(cmd.getOptionValues(bucketSize)[0]);
-      }
-
-      setupTool.addResourceToCluster(clusterName,
-                                     resourceName,
-                                     partitions,
-                                     stateModelRef,
-                                     modeValue,
-                                     bucketSizeVal);
-      return 0;
-    }
-
-    if (cmd.hasOption(rebalance))
-    {
-      String clusterName = cmd.getOptionValues(rebalance)[0];
-      String resourceName = cmd.getOptionValues(rebalance)[1];
-      int replicas = Integer.parseInt(cmd.getOptionValues(rebalance)[2]);
-      if (cmd.hasOption(resourceKeyPrefix))
-      {
-        setupTool.rebalanceStorageCluster(clusterName,
-                                          resourceName,
-                                          replicas,
-                                          cmd.getOptionValue(resourceKeyPrefix));
-        return 0;
-      }
-      setupTool.rebalanceStorageCluster(clusterName, resourceName, replicas);
-      return 0;
-    }
-
-    if (cmd.hasOption(expandCluster))
-    {
-      String clusterName = cmd.getOptionValues(expandCluster)[0];
-
-      setupTool.expandCluster(clusterName);
-      return 0;
-    }
-
-    if (cmd.hasOption(expandResource))
-    {
-      String clusterName = cmd.getOptionValues(expandResource)[0];
-      String resourceName = cmd.getOptionValues(expandResource)[1];
-      setupTool.expandResource(clusterName, resourceName);
-      return 0;
-    }
-
-    if (cmd.hasOption(dropInstance))
-    {
-      String clusterName = cmd.getOptionValues(dropInstance)[0];
-      String InstanceAddressInfo = cmd.getOptionValues(dropInstance)[1];
-      String[] InstanceAddresses = InstanceAddressInfo.split(";");
-      setupTool.dropInstancesFromCluster(clusterName, InstanceAddresses);
-      return 0;
-    }
-
-    if (cmd.hasOption(listClusters))
-    {
-      List<String> clusters = setupTool.getClusterManagementTool().getClusters();
-
-      System.out.println("Existing clusters:");
-      for (String cluster : clusters)
-      {
-        System.out.println(cluster);
-      }
-      return 0;
-    }
-
-    if (cmd.hasOption(listResources))
-    {
-      String clusterName = cmd.getOptionValue(listResources);
-      List<String> resourceNames =
-          setupTool.getClusterManagementTool().getResourcesInCluster(clusterName);
-
-      System.out.println("Existing resources in cluster " + clusterName + ":");
-      for (String resourceName : resourceNames)
-      {
-        System.out.println(resourceName);
-      }
-      return 0;
-    }
-    else if (cmd.hasOption(listClusterInfo))
-    {
-      String clusterName = cmd.getOptionValue(listClusterInfo);
-      List<String> resourceNames =
-          setupTool.getClusterManagementTool().getResourcesInCluster(clusterName);
-      List<String> Instances =
-          setupTool.getClusterManagementTool().getInstancesInCluster(clusterName);
-
-      System.out.println("Existing resources in cluster " + clusterName + ":");
-      for (String resourceName : resourceNames)
-      {
-        System.out.println(resourceName);
-      }
-
-      System.out.println("Instances in cluster " + clusterName + ":");
-      for (String InstanceName : Instances)
-      {
-        System.out.println(InstanceName);
-      }
-      return 0;
-    }
-    else if (cmd.hasOption(listInstances))
-    {
-      String clusterName = cmd.getOptionValue(listInstances);
-      List<String> Instances =
-          setupTool.getClusterManagementTool().getInstancesInCluster(clusterName);
-
-      System.out.println("Instances in cluster " + clusterName + ":");
-      for (String InstanceName : Instances)
-      {
-        System.out.println(InstanceName);
-      }
-      return 0;
-    }
-    else if (cmd.hasOption(listInstanceInfo))
-    {
-      String clusterName = cmd.getOptionValues(listInstanceInfo)[0];
-      String instanceName = cmd.getOptionValues(listInstanceInfo)[1];
-      InstanceConfig config =
-          setupTool.getClusterManagementTool().getInstanceConfig(clusterName,
-                                                                 instanceName);
-
-      String result = new String(new ZNRecordSerializer().serialize(config.getRecord()));
-      System.out.println("InstanceConfig: " + result);
-      return 0;
-    }
-    else if (cmd.hasOption(listResourceInfo))
-    {
-      // print out partition number, db name and replication number
-      // Also the ideal states and current states
-      String clusterName = cmd.getOptionValues(listResourceInfo)[0];
-      String resourceName = cmd.getOptionValues(listResourceInfo)[1];
-      IdealState idealState =
-          setupTool.getClusterManagementTool().getResourceIdealState(clusterName,
-                                                                     resourceName);
-      ExternalView externalView =
-          setupTool.getClusterManagementTool().getResourceExternalView(clusterName,
-                                                                       resourceName);
-
-      if (idealState != null)
-      {
-        System.out.println("IdealState for " + resourceName + ":");
-        System.out.println(new String(new ZNRecordSerializer().serialize(idealState.getRecord())));
-      }
-      else
-      {
-        System.out.println("No idealState for " + resourceName);
-      }
-
-      System.out.println();
-
-      if (externalView != null)
-      {
-        System.out.println("ExternalView for " + resourceName + ":");
-        System.out.println(new String(new ZNRecordSerializer().serialize(externalView.getRecord())));
-      }
-      else
-      {
-        System.out.println("No externalView for " + resourceName);
-      }
-      return 0;
-
-    }
-    else if (cmd.hasOption(listPartitionInfo))
-    {
-      // print out where the partition master / slaves locates
-      String clusterName = cmd.getOptionValues(listPartitionInfo)[0];
-      String resourceName = cmd.getOptionValues(listPartitionInfo)[1];
-      String partitionName = cmd.getOptionValues(listPartitionInfo)[2];
-      IdealState idealState =
-          setupTool.getClusterManagementTool().getResourceIdealState(clusterName,
-                                                                     resourceName);
-      ExternalView externalView =
-          setupTool.getClusterManagementTool().getResourceExternalView(clusterName,
-                                                                       resourceName);
-
-      if (idealState != null)
-      {
-        ZNRecord partInfo = new ZNRecord(resourceName + "/" + partitionName);
-        ZNRecord idealStateRec = idealState.getRecord();
-        partInfo.setSimpleFields(idealStateRec.getSimpleFields());
-        if (idealStateRec.getMapField(partitionName) != null)
-        {
-          partInfo.setMapField(partitionName, idealStateRec.getMapField(partitionName));
-        }
-        if (idealStateRec.getListField(partitionName) != null)
-        {
-          partInfo.setListField(partitionName, idealStateRec.getListField(partitionName));
-        }
-        System.out.println("IdealState for " + resourceName + "/" + partitionName + ":");
-        System.out.println(new String(new ZNRecordSerializer().serialize(partInfo)));
-      }
-      else
-      {
-        System.out.println("No idealState for " + resourceName + "/" + partitionName);
-      }
-
-      System.out.println();
-
-      if (externalView != null)
-      {
-        ZNRecord partInfo = new ZNRecord(resourceName + "/" + partitionName);
-        ZNRecord extViewRec = externalView.getRecord();
-        partInfo.setSimpleFields(extViewRec.getSimpleFields());
-        if (extViewRec.getMapField(partitionName) != null)
-        {
-          partInfo.setMapField(partitionName, extViewRec.getMapField(partitionName));
-        }
-        if (extViewRec.getListField(partitionName) != null)
-        {
-          partInfo.setListField(partitionName, extViewRec.getListField(partitionName));
-        }
-
-        System.out.println("ExternalView for " + resourceName + "/" + partitionName + ":");
-        System.out.println(new String(new ZNRecordSerializer().serialize(partInfo)));
-      }
-      else
-      {
-        System.out.println("No externalView for " + resourceName + "/" + partitionName);
-      }
-      return 0;
-
-    }
-    else if (cmd.hasOption(enableInstance))
-    {
-      String clusterName = cmd.getOptionValues(enableInstance)[0];
-      String instanceName = cmd.getOptionValues(enableInstance)[1];
-      if (instanceName.contains(":"))
-      {
-        instanceName = instanceName.replaceAll(":", "_");
-      }
-      boolean enabled =
-          Boolean.parseBoolean(cmd.getOptionValues(enableInstance)[2].toLowerCase());
-
-      setupTool.getClusterManagementTool().enableInstance(clusterName,
-                                                          instanceName,
-                                                          enabled);
-      return 0;
-    }
-    else if (cmd.hasOption(enablePartition))
-    {
-      String[] args = cmd.getOptionValues(enablePartition);
-
-      boolean enabled = Boolean.parseBoolean(args[0].toLowerCase());
-      String clusterName = args[1];
-      String instanceName = args[2];
-      String resourceName = args[3];
-
-      List<String> partitionNames =
-          Arrays.asList(Arrays.copyOfRange(args, 4, args.length));
-      setupTool.getClusterManagementTool().enablePartition(enabled,
-                                                           clusterName,
-                                                           instanceName,
-                                                           resourceName,
-                                                           partitionNames);
-      return 0;
-    }
-    else if (cmd.hasOption(resetPartition))
-    {
-      String[] args = cmd.getOptionValues(resetPartition);
-
-      String clusterName = args[0];
-      String instanceName = args[1];
-      String resourceName = args[2];
-      List<String> partitionNames =
-          Arrays.asList(Arrays.copyOfRange(args, 3, args.length));
-
-      setupTool.getClusterManagementTool().resetPartition(clusterName,
-                                                          instanceName,
-                                                          resourceName,
-                                                          partitionNames);
-      return 0;
-    }
-    else if (cmd.hasOption(resetInstance))
-    {
-      String[] args = cmd.getOptionValues(resetInstance);
-
-      String clusterName = args[0];
-      List<String> instanceNames =
-          Arrays.asList(Arrays.copyOfRange(args, 1, args.length));
-
-      setupTool.getClusterManagementTool().resetInstance(clusterName, instanceNames);
-      return 0;
-    }
-    else if (cmd.hasOption(resetResource))
-    {
-      String[] args = cmd.getOptionValues(resetResource);
-
-      String clusterName = args[0];
-      List<String> resourceNames =
-          Arrays.asList(Arrays.copyOfRange(args, 1, args.length));
-
-      setupTool.getClusterManagementTool().resetResource(clusterName, resourceNames);
-      return 0;
-    }
-    else if (cmd.hasOption(enableCluster))
-    {
-      String[] params = cmd.getOptionValues(enableCluster);
-      String clusterName = params[0];
-      boolean enabled = Boolean.parseBoolean(params[1].toLowerCase());
-      setupTool.getClusterManagementTool().enableCluster(clusterName, enabled);
-
-      return 0;
-    }
-    else if (cmd.hasOption(listStateModels))
-    {
-      String clusterName = cmd.getOptionValues(listStateModels)[0];
-
-      List<String> stateModels =
-          setupTool.getClusterManagementTool().getStateModelDefs(clusterName);
-
-      System.out.println("Existing state models:");
-      for (String stateModel : stateModels)
-      {
-        System.out.println(stateModel);
-      }
-      return 0;
-    }
-    else if (cmd.hasOption(listStateModel))
-    {
-      String clusterName = cmd.getOptionValues(listStateModel)[0];
-      String stateModel = cmd.getOptionValues(listStateModel)[1];
-      StateModelDefinition stateModelDef =
-          setupTool.getClusterManagementTool().getStateModelDef(clusterName, stateModel);
-      String result =
-          new String(new ZNRecordSerializer().serialize(stateModelDef.getRecord()));
-      System.out.println("StateModelDefinition: " + result);
-      return 0;
-    }
-    else if (cmd.hasOption(addStateModelDef))
-    {
-      String clusterName = cmd.getOptionValues(addStateModelDef)[0];
-      String stateModelFile = cmd.getOptionValues(addStateModelDef)[1];
-
-      ZNRecord stateModelRecord =
-          (ZNRecord) (new ZNRecordSerializer().deserialize(readFile(stateModelFile)));
-      if (stateModelRecord.getId() == null || stateModelRecord.getId().length() == 0)
-      {
-        throw new IllegalArgumentException("ZNRecord for state model definition must have an id");
-      }
-      setupTool.getClusterManagementTool()
-               .addStateModelDef(clusterName,
-                                 stateModelRecord.getId(),
-                                 new StateModelDefinition(stateModelRecord));
-      return 0;
-    }
-    else if (cmd.hasOption(addIdealState))
-    {
-      String clusterName = cmd.getOptionValues(addIdealState)[0];
-      String resourceName = cmd.getOptionValues(addIdealState)[1];
-      String idealStateFile = cmd.getOptionValues(addIdealState)[2];
-
-      setupTool.addIdealState(clusterName, resourceName, idealStateFile);
-      return 0;
-    }
-    else if (cmd.hasOption(addStat))
-    {
-      String clusterName = cmd.getOptionValues(addStat)[0];
-      String statName = cmd.getOptionValues(addStat)[1];
-
-      setupTool.getClusterManagementTool().addStat(clusterName, statName);
-    }
-    else if (cmd.hasOption(addAlert))
-    {
-      String clusterName = cmd.getOptionValues(addAlert)[0];
-      String alertName = cmd.getOptionValues(addAlert)[1];
-
-      setupTool.getClusterManagementTool().addAlert(clusterName, alertName);
-    }
-    else if (cmd.hasOption(dropStat))
-    {
-      String clusterName = cmd.getOptionValues(dropStat)[0];
-      String statName = cmd.getOptionValues(dropStat)[1];
-
-      setupTool.getClusterManagementTool().dropStat(clusterName, statName);
-    }
-    else if (cmd.hasOption(dropAlert))
-    {
-      String clusterName = cmd.getOptionValues(dropAlert)[0];
-      String alertName = cmd.getOptionValues(dropAlert)[1];
-
-      setupTool.getClusterManagementTool().dropAlert(clusterName, alertName);
-    }
-    else if (cmd.hasOption(dropResource))
-    {
-      String clusterName = cmd.getOptionValues(dropResource)[0];
-      String resourceName = cmd.getOptionValues(dropResource)[1];
-
-      setupTool.getClusterManagementTool().dropResource(clusterName, resourceName);
-    }
-    else if (cmd.hasOption(swapInstance))
-    {
-      String clusterName = cmd.getOptionValues(swapInstance)[0];
-      String oldInstanceName = cmd.getOptionValues(swapInstance)[1];
-      String newInstanceName = cmd.getOptionValues(swapInstance)[2];
-
-      setupTool.swapInstance(clusterName, oldInstanceName, newInstanceName);
-    }
-    else if (cmd.hasOption(setConfig))
-    {
-      String scopeStr = cmd.getOptionValues(setConfig)[0];
-      String propertiesStr = cmd.getOptionValues(setConfig)[1];
-      setupTool.setConfig(scopeStr, propertiesStr);
-    }
-    else if (cmd.hasOption(getConfig))
-    {
-      String scopeStr = cmd.getOptionValues(getConfig)[0];
-      String keysStr = cmd.getOptionValues(getConfig)[1];
-      setupTool.getConfig(scopeStr, keysStr);
-    }
-    else if (cmd.hasOption(help))
-    {
-      printUsage(cliOptions);
-      return 0;
-    }
-    else if (cmd.hasOption(addResourceProperty))
-    {
-      String clusterName = cmd.getOptionValues(addResourceProperty)[0];
-      String resourceName = cmd.getOptionValues(addResourceProperty)[1];
-      String propertyKey = cmd.getOptionValues(addResourceProperty)[2];
-      String propertyVal = cmd.getOptionValues(addResourceProperty)[3];
-
-      setupTool.addResourceProperty(clusterName, resourceName, propertyKey, propertyVal);
-      return 0;
-    }
-    else if (cmd.hasOption(removeResourceProperty))
-    {
-      String clusterName = cmd.getOptionValues(removeResourceProperty)[0];
-      String resourceName = cmd.getOptionValues(removeResourceProperty)[1];
-      String propertyKey = cmd.getOptionValues(removeResourceProperty)[2];
-
-      setupTool.removeResourceProperty(clusterName, resourceName, propertyKey);
-      return 0;
-    }
-    return 0;
-  }
-
-  // TODO: remove this. has moved to ZkHelixAdmin
-  public void addIdealState(String clusterName, String resourceName, String idealStateFile) throws IOException
-  {
-    ZNRecord idealStateRecord =
-        (ZNRecord) (new ZNRecordSerializer().deserialize(readFile(idealStateFile)));
-    if (idealStateRecord.getId() == null
-        || !idealStateRecord.getId().equals(resourceName))
-    {
-      throw new IllegalArgumentException("ideal state must have same id as resource name");
-    }
-    _admin.setResourceIdealState(clusterName,
-                                 resourceName,
-                                 new IdealState(idealStateRecord));
-  }
-
-  public void addResourceProperty(String clusterName,
-                                  String resourceName,
-                                  String propertyKey,
-                                  String propertyVal)
-  {
-    IdealState idealState = _admin.getResourceIdealState(clusterName, resourceName);
-    if (idealState == null)
-    {
-      throw new HelixException("Resource: " + resourceName + " has NOT been added yet");
-    }
-    idealState.getRecord().setSimpleField(propertyKey, propertyVal);
-    _admin.setResourceIdealState(clusterName, resourceName, idealState);
-  }
-
-  public void removeResourceProperty(String clusterName,
-                                     String resourceName,
-                                     String propertyKey)
-  {
-    IdealState idealState = _admin.getResourceIdealState(clusterName, resourceName);
-    if (idealState == null)
-    {
-      throw new HelixException("Resource: " + resourceName + " has NOT been added yet");
-    }
-    idealState.getRecord().getSimpleFields().remove(propertyKey);
-    _admin.setResourceIdealState(clusterName, resourceName, idealState);
-  }
-
-  /**
-   * @param args
-   * @throws Exception
-   * @throws JsonMappingException
-   * @throws JsonGenerationException
-   */
-  public static void main(String[] args) throws Exception
-  {
-    // debug
-    // System.out.println("args(" + args.length + "): " + Arrays.asList(args));
-
-    if (args.length == 1 && args[0].equals("setup-test-cluster"))
-    {
-      System.out.println("By default setting up ");
-      new ClusterSetup("localhost:2181").setupTestCluster("storage-integration-cluster");
-      new ClusterSetup("localhost:2181").setupTestCluster("relay-integration-cluster");
-      System.exit(0);
-    }
-
-    int ret = processCommandLineArgs(args);
-    System.exit(ret);
-  }
-}