2 # Licensed to the Apache Software Foundation (ASF) under one
3 # or more contributor license agreements. See the NOTICE file
4 # distributed with this work for additional information
5 # regarding copyright ownership. The ASF licenses this file
6 # to you under the Apache License, Version 2.0 (the
7 # "License"); you may not use this file except in compliance
8 # with the License. You may obtain a copy of the License at
10 # http://www.apache.org/licenses/LICENSE-2.0
12 # Unless required by applicable law or agreed to in writing, software
13 # distributed under the License is distributed on an "AS IS" BASIS,
14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 # See the License for the specific language governing permissions and
16 # limitations under the License.
19 # This script is used to issue a stop command to a regionserver via RPC.
20 # Intended for use in environments where sshing around is inappropriate
21 # Run it like this by passing it to a jruby interpreter:
23 # ./bin/hbase org.jruby.Main bin/shutdown_regionserver.rb c2021:16020
26 import org.apache.hadoop.hbase.HBaseConfiguration
27 import org.apache.hadoop.hbase.client.HBaseAdmin
28 import org.apache.hadoop.hbase.client.ConnectionFactory
31 $stderr.puts 'Usage: shutdown_regionserver.rb <host:port>..'
33 $stderr.puts 'Stops the specified regionservers via RPC'
34 $stderr.puts 'Error: %s' % msg if msg
38 usage if ARGV.length < 1
41 usage 'Invalid host:port: %s' % x unless x.include? ':'
44 config = HBaseConfiguration.create()
45 connection = ConnectionFactory.createConnection(config)
47 admin = connection.getAdmin()
49 abort "Error: Couldn't instantiate HBaseAdmin"
52 ARGV.each do |hostport|
53 admin.stopRegionServer(hostport)