121 lines
2.9 KiB
Bash
121 lines
2.9 KiB
Bash
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#!/bin/sh
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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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# 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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# HADOOP_LOG_DIR Where log files are stored. PWD by default.
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# HADOOP_PID_DIR The pid files are stored. /tmp by default.
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# HADOOP_IDENT_STRING A string representing this instance of hadoop. $USER by default
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# HADOOP_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=<hadoop-conf-dir>] [--hbaseconfig=<hbase-conf-dir>] <hbase-command> (start|stop) <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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command=$1
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shift
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startStop=$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.$num";
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fi
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}
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if [ -f "${HADOOP_CONF_DIR}/hadoop-env.sh" ]; then
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. "${HADOOP_CONF_DIR}/hadoop-env.sh"
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fi
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if [ -f "${HBASE_CONF_DIR}/hbase-env.sh" ]; then
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. "${HBASE_CONF_DIR}/hbase-env.sh"
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fi
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# get log directory
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if [ "$HADOOP_LOG_DIR" = "" ]; then
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export HADOOP_LOG_DIR="$HADOOP_HOME/logs"
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fi
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mkdir -p "$HADOOP_LOG_DIR"
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if [ "$HADOOP_PID_DIR" = "" ]; then
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HADOOP_PID_DIR=/tmp
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fi
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if [ "$HADOOP_IDENT_STRING" = "" ]; then
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export HADOOP_IDENT_STRING="$USER"
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fi
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# some variables
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export HADOOP_LOGFILE=hbase-$HADOOP_IDENT_STRING-$command-`hostname`.log
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export HADOOP_ROOT_LOGGER="INFO,DRFA"
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log=$HADOOP_LOG_DIR/hbase-$HADOOP_IDENT_STRING-$command-`hostname`.out
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pid=$HADOOP_PID_DIR/hbase-$HADOOP_IDENT_STRING-$command.pid
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# Set default scheduling priority
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if [ "$HADOOP_NICENESS" = "" ]; then
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export HADOOP_NICENESS=0
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fi
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case $startStop in
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(start)
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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 $HADOOP_NICENESS "$HBASE_HOME"/bin/hbase --config="${HADOOP_CONF_DIR}" --hbaseconfig="${HBASE_CONF_DIR}" $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 stopping $command
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nohup nice -n $HADOOP_NICENESS "$HBASE_HOME"/bin/hbase --config="${HADOOP_CONF_DIR}" --hbaseconfig="${HBASE_CONF_DIR}" $command $startStop "$@" > "$log" 2>&1 < /dev/null &
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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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