| /** |
| * Copyright 2010 The Apache Software Foundation |
| * |
| * 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. |
| */ |
| |
| package org.apache.hadoop.hbase.zookeeper; |
| |
| import java.util.Properties; |
| import java.util.Map.Entry; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| |
| /** |
| * Tool for reading ZooKeeper servers from HBase XML configuration and producing |
| * a line-by-line list for use by bash scripts. |
| */ |
| public class ZKServerTool { |
| /** |
| * Run the tool. |
| * @param args Command line arguments. |
| */ |
| public static void main(String args[]) { |
| Configuration conf = HBaseConfiguration.create(); |
| // Note that we do not simply grab the property |
| // HConstants.ZOOKEEPER_QUORUM from the HBaseConfiguration because the |
| // user may be using a zoo.cfg file. |
| Properties zkProps = ZKConfig.makeZKProps(conf); |
| for (Entry<Object, Object> entry : zkProps.entrySet()) { |
| String key = entry.getKey().toString().trim(); |
| String value = entry.getValue().toString().trim(); |
| if (key.startsWith("server.")) { |
| String[] parts = value.split(":"); |
| String host = parts[0]; |
| System.out.println("ZK host:" + host); |
| } |
| } |
| } |
| } |