zookeeper-init.j2 1.38 KB
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#!/bin/bash

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# Define the user that should run this script.
SCRIPT_USER=kafka

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# The path where Apache Zookeeper is installed.
INSTALLATION_PATH="{{ installation_path }}"

# The full path of the pid file to use.
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PIDFILE="$INSTALLATION_PATH/kafka/zookeeper.pid"
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# The full path of the lock file to use.
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LOCKFILE="$INSTALLATION_PATH/kafka/zookeeper-lock"
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# The command that will start Apache Zookeeper.
START_COMMAND="$INSTALLATION_PATH/kafka/bin/zookeeper-server-start.sh $INSTALLATION_PATH/kafka/config/zookeeper.properties"

start(){
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  sudo -u $SCRIPT_USER /sbin/start-stop-daemon --start --background --make-pidfile --pidfile $PIDFILE --exec $START_COMMAND
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  RETVAL=$?
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  [ $RETVAL -eq 0 ] && $(sudo -u $SCRIPT_USER touch $LOCKFILE)
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  return $RETVAL
}

stop(){
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  sudo -u $SCRIPT_USER /sbin/start-stop-daemon --stop --remove-pidfile --pidfile $PIDFILE
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  RETVAL=$?
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  [ $RETVAL -eq 0 ] && $(sudo -u $SCRIPT_USER rm -f $LOCKFILE)
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  return $RETVAL
}

restart(){
  stop
  start
}

RETVAL=0

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  restart|reload|force-reload)
    restart
    ;;
  condrestart)
    [ -f $LOCKFILE ] && restart || :
    ;;
  status)
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    [ -f $LOCKFILE ] && echo "Apache Zookeeper is running." || echo "Apache Zookeeper is not running."
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    RETVAL=$?
    ;;
  *)
    echo "Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart}"
    RETVAL=1
esac

exit $RETVAL