153 lines
3.8 KiB
Bash
Executable File
153 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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#/**
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# * Copyright 2007 The Apache Software Foundation
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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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# Runs a Hadoop hbase command as a daemon.
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#
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# Environment Variables
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#
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# HBASE_CONF_DIR Alternate hbase conf dir. Default is ${HBASE_HOME}/conf.
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# HBASE_LOG_DIR Where log files are stored. PWD by default.
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# HBASE_PID_DIR The pid files are stored. /tmp by default.
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# HBASE_IDENT_STRING A string representing this instance of hadoop. $USER by default
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# HBASE_NICENESS The scheduling priority for daemons. Defaults to 0.
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#
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# Modelled after $HADOOP_HOME/bin/hadoop-daemon.sh
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usage="Usage: hbase-daemon.sh [--config <conf-dir>]\
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(start|stop) <hbase-command> \
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<args...>"
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# if no args specified, show usage
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if [ $# -le 1 ]; then
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echo $usage
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exit 1
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fi
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bin=`dirname "$0"`
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bin=`cd "$bin"; pwd`
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. "$bin"/hbase-config.sh
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# get arguments
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startStop=$1
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shift
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command=$1
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shift
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hbase_rotate_log ()
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{
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log=$1;
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num=5;
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if [ -n "$2" ]; then
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num=$2
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fi
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if [ -f "$log" ]; then # rotate logs
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while [ $num -gt 1 ]; do
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prev=`expr $num - 1`
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[ -f "$log.$prev" ] && mv "$log.$prev" "$log.$num"
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num=$prev
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done
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mv "$log" "$log.$num";
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fi
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}
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if [ -f "${HBASE_CONF_DIR}/hbase-env.sh" ]; then
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. "${HBASE_CONF_DIR}/hbase-env.sh"
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fi
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# get log directory
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if [ "$HBASE_LOG_DIR" = "" ]; then
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export HBASE_LOG_DIR="$HBASE_HOME/logs"
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fi
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mkdir -p "$HBASE_LOG_DIR"
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if [ "$HBASE_PID_DIR" = "" ]; then
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HBASE_PID_DIR=/tmp
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fi
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if [ "$HBASE_IDENT_STRING" = "" ]; then
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export HBASE_IDENT_STRING="$USER"
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fi
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# some variables
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export HBASE_LOGFILE=hbase-$HBASE_IDENT_STRING-$command-$HOSTNAME.log
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export HBASE_ROOT_LOGGER="INFO,DRFA"
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log=$HBASE_LOG_DIR/hbase-$HBASE_IDENT_STRING-$command-$HOSTNAME.out
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pid=$HBASE_PID_DIR/hbase-$HBASE_IDENT_STRING-$command.pid
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# Set default scheduling priority
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if [ "$HBASE_NICENESS" = "" ]; then
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export HBASE_NICENESS=0
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fi
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case $startStop in
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(start)
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mkdir -p "$HBASE_PID_DIR"
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if [ -f $pid ]; then
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if kill -0 `cat $pid` > /dev/null 2>&1; then
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echo $command running as process `cat $pid`. Stop it first.
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exit 1
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fi
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fi
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hbase_rotate_log $log
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echo starting $command, logging to $log
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nohup nice -n $HBASE_NICENESS "$HBASE_HOME"/bin/hbase \
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--config "${HBASE_CONF_DIR}" \
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$command $startStop "$@" > "$log" 2>&1 < /dev/null &
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echo $! > $pid
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sleep 1; head "$log"
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;;
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(stop)
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if [ -f $pid ]; then
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if kill -0 `cat $pid` > /dev/null 2>&1; then
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echo -n stopping $command
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if [ "$command" = "master" ]; then
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nohup nice -n $HBASE_NICENESS "$HBASE_HOME"/bin/hbase \
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--config "${HBASE_CONF_DIR}" \
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$command $startStop "$@" > "$log" 2>&1 < /dev/null &
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else
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kill `cat $pid` > /dev/null 2>&1
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fi
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while kill -0 `cat $pid` > /dev/null 2>&1; do
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echo -n "."
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sleep 1;
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done
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echo
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else
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echo no $command to stop
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fi
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else
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echo no $command to stop
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fi
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;;
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(*)
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echo $usage
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exit 1
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;;
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esac
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