84 lines
2.6 KiB
Bash
Executable File
84 lines
2.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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#/**
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# * Licensed to the Apache Software Foundation (ASF) under one
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# * or more contributor license agreements. See the NOTICE file
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# * distributed with this work for additional information
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# * regarding copyright ownership. The ASF licenses this file
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# * to you under the Apache License, Version 2.0 (the
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# * "License"); you may not use this file except in compliance
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# * with the License. You may obtain a copy of the License at
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# *
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# * http://www.apache.org/licenses/LICENSE-2.0
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# *
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# * Unless required by applicable law or agreed to in writing, software
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# * distributed under the License is distributed on an "AS IS" BASIS,
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# * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# * See the License for the specific language governing permissions and
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# * limitations under the License.
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# */
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#
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# Run a shell command on all regionserver hosts.
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#
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# Environment Variables
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#
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# HBASE_REGIONSERVERS File naming remote hosts.
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# Default is ${HADOOP_CONF_DIR}/regionservers
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# HADOOP_CONF_DIR Alternate conf dir. Default is ${HADOOP_HOME}/conf.
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# HBASE_CONF_DIR Alternate hbase conf dir. Default is ${HBASE_HOME}/conf.
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# HBASE_SLAVE_SLEEP Seconds to sleep between spawning remote commands.
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# HBASE_SSH_OPTS Options passed to ssh when running remote commands.
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#
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# Modelled after $HADOOP_HOME/bin/slaves.sh.
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usage="Usage: regionservers [--config <hbase-confdir>] command..."
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# if no args specified, show usage
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if [ $# -le 0 ]; then
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echo $usage
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exit 1
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fi
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bin=`dirname "${BASH_SOURCE-$0}"`
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bin=`cd "$bin">/dev/null; pwd`
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. "$bin"/hbase-config.sh
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# If the regionservers file is specified in the command line,
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# then it takes precedence over the definition in
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# hbase-env.sh. Save it here.
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HOSTLIST=$HBASE_REGIONSERVERS
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if [ "$HOSTLIST" = "" ]; then
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if [ "$HBASE_REGIONSERVERS" = "" ]; then
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export HOSTLIST="${HBASE_CONF_DIR}/regionservers"
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else
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export HOSTLIST="${HBASE_REGIONSERVERS}"
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fi
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fi
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regionservers=`cat "$HOSTLIST"`
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if [ "$regionservers" = "localhost" ]; then
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HBASE_REGIONSERVER_ARGS="\
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-Dhbase.regionserver.port=16201 \
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-Dhbase.regionserver.info.port=16301"
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$"${@// /\\ }" ${HBASE_REGIONSERVER_ARGS} \
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2>&1 | sed "s/^/$regionserver: /" &
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else
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for regionserver in `cat "$HOSTLIST"`; do
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if ${HBASE_SLAVE_PARALLEL:-true}; then
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ssh $HBASE_SSH_OPTS $regionserver $"${@// /\\ }" \
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2>&1 | sed "s/^/$regionserver: /" &
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else # run each command serially
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ssh $HBASE_SSH_OPTS $regionserver $"${@// /\\ }" \
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2>&1 | sed "s/^/$regionserver: /"
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fi
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if [ "$HBASE_SLAVE_SLEEP" != "" ]; then
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sleep $HBASE_SLAVE_SLEEP
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fi
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done
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fi
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wait
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