| package org.apache.helix.recipes.rabbitmq; |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| |
| import org.apache.helix.manager.zk.ZKHelixAdmin; |
| import org.apache.helix.manager.zk.ZNRecordSerializer; |
| import org.apache.helix.zookeeper.impl.client.ZkClient; |
| import org.apache.helix.model.IdealState.RebalanceMode; |
| import org.apache.helix.model.StateModelDefinition; |
| import org.apache.helix.tools.StateModelConfigGenerator; |
| |
| public class SetupConsumerCluster { |
| public static final String DEFAULT_CLUSTER_NAME = "rabbitmq-consumer-cluster"; |
| public static final String DEFAULT_RESOURCE_NAME = "topic"; |
| public static final int DEFAULT_PARTITION_NUMBER = 6; |
| public static final String DEFAULT_STATE_MODEL = "OnlineOffline"; |
| |
| public static void main(String[] args) { |
| if (args.length < 1) { |
| System.err.println("USAGE: java SetupConsumerCluster zookeeperAddress (e.g. localhost:2181)"); |
| System.exit(1); |
| } |
| |
| final String zkAddr = args[0]; |
| final String clusterName = DEFAULT_CLUSTER_NAME; |
| |
| ZkClient zkclient = null; |
| try { |
| zkclient = |
| new ZkClient(zkAddr, ZkClient.DEFAULT_SESSION_TIMEOUT, |
| ZkClient.DEFAULT_CONNECTION_TIMEOUT, new ZNRecordSerializer()); |
| ZKHelixAdmin admin = new ZKHelixAdmin(zkclient); |
| |
| // add cluster |
| admin.addCluster(clusterName, true); |
| |
| // add state model definition |
| admin.addStateModelDef(clusterName, DEFAULT_STATE_MODEL, |
| new StateModelDefinition(StateModelConfigGenerator.generateConfigForOnlineOffline())); |
| |
| // add resource "topic" which has 6 partitions |
| String resourceName = DEFAULT_RESOURCE_NAME; |
| admin.addResource(clusterName, resourceName, DEFAULT_PARTITION_NUMBER, DEFAULT_STATE_MODEL, |
| RebalanceMode.FULL_AUTO.toString()); |
| |
| admin.rebalance(clusterName, resourceName, 1); |
| |
| } finally { |
| if (zkclient != null) { |
| zkclient.close(); |
| } |
| } |
| } |
| } |