kafka-init.j2 1.13 KB
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#!/bin/bash

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

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

start(){
  touch $PIDFILE
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  nohup $START_COMMAND > /dev/null & echo $! > $PIDFILE
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  RETVAL=$?
  [ $RETVAL -eq 0 ] && touch $LOCKFILE
  return $RETVAL
}

stop(){
  kill -s 9 $(cat $PIDFILE)
  RETVAL=$?
  [ $RETVAL -eq 0 ] && $(rm -f $LOCKFILE)
  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 $LOCKFILE ] && echo "Apache Kafka is running." || echo "Apache kafka is not running."
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    RETVAL=$?
    ;;
  *)
    echo "Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart}"
    RETVAL=1
esac

exit $RETVAL