Storm: Nimbus startup script

gistfile1.sh

#!/bin/bash
#
# /etc/init.d/storm-nimbus
#
# Startup script for storm-nimbus
#
# chkconfig: 2345 20 80
# description: Starts and stops storm-nimbus
#. /etc/init.d/functions
stormBin=/home/user/storm/storm-0.8.1/bin/storm
stormSvc=$(echo $0 | cut -d'-' -f2)
desc="Storm $stormSvc daemon"
outFile="/var/log/storm/storm-$stormSvc.out"
stormUser=user
pidFile=/var/run/storm/storm-$stormSvc.pid

if ! [ -f $stormBin ]; then
  echo "storm binary not found."
  exit 5
fi

if [ -f /etc/sysconfig/storm ]; then
  . /etc/sysconfig/storm
fi

start() {
  echo "Starting $desc (storm-$stormSvc): "
  su $stormUser -c "nohup $stormBin $stormSvc >>$outFile 2>&1 &"
  RETVAL=$?
	
  return $RETVAL
}

stop() {
  echo "Shutting down $desc (storm-$stormSvc): "
  if [ $stormSvc == "ui" ]; then
    pkill -f backtype.storm.ui.core
  else
    pkill -f backtype.storm.daemon.$stormSvc
  fi
	[ -e $pidFile ] && rm $pidFile
}

restart() {
    stop
    start
}

status() {
  if [ $stormSvc == "ui" ]; then
     pid=$(pgrep -f backtype.storm.ui.core)
  else
     pid=$(pgrep -f backtype.storm.daemon.$stormSvc)
  fi
    
  if [ -z $pid ]; then
    echo "storm-$stormSvc is NOT running."
		RETVAL=1
  else
    echo "storm-$stormSvc is running (pid is $pid)."
		RETVAL=0
  fi

}

case "$1" in
  start)   start;;
  stop)    stop;;
  restart) restart;;
  status)  status;;
  *)       echo "Usage: $0 {start|stop|restart}"
           RETVAL=2;;
esac
exit $RETVAL