| # |
| # 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. |
| # |
| |
| # This script is used to issue a stop command to a regionserver via RPC. |
| # Intended for use in environments where sshing around is inappropriate |
| # Run it like this by passing it to a jruby interpreter: |
| # |
| # ./bin/hbase org.jruby.Main bin/shutdown_regionserver.rb c2021:16020 |
| |
| include Java |
| java_import org.apache.hadoop.hbase.HBaseConfiguration |
| java_import org.apache.hadoop.hbase.client.HBaseAdmin |
| java_import org.apache.hadoop.hbase.client.ConnectionFactory |
| |
| def usage(msg = nil) |
| warn 'Usage: shutdown_regionserver.rb <host:port>..' |
| warn |
| warn 'Stops the specified regionservers via RPC' |
| warn format('Error: %<msg>s') if msg |
| abort |
| end |
| |
| usage if ARGV.empty? |
| |
| ARGV.each do |x| |
| usage format('Invalid host:port: %<x>s') unless x.include? ':' |
| end |
| |
| config = HBaseConfiguration.create |
| connection = ConnectionFactory.createConnection(config) |
| begin |
| admin = connection.getAdmin |
| rescue StandardError |
| abort "Error: Couldn't instantiate HBaseAdmin" |
| end |
| |
| ARGV.each do |hostport| |
| admin.stopRegionServer(hostport) |
| end |
| admin.close |
| connection.close |