Solr init.d script (works on RHEL 6)

init.dsolr

#!/bin/bash
### BEGIN INIT INFO
# Provides:          solr 
# Required-Start:    $local_fs $remote_fs $network $syslog $named
# Required-Stop:     $local_fs $remote_fs $network $syslog $named
# Default-Start:     3 4 5
# Default-Stop:      0 1 6
# X-Interactive:     true
# Short-Description: Start/stop solr web server
### END INIT INFO
#
# Solr startup script
#
# chkconfig: 2345 80 05
# description: Solr

# Source function library.

if [ -f /etc/rc.d/init.d/functions ]; then
        . /etc/rc.d/init.d/functions
fi

if [ -f /lib/lsb/init-functions ]; then
        . /lib/lsb/init-functions
fi

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


prog=solr
RETVAL=0

# Grab UID of start user.  Abort loudly if it doesn't exist.
STARTUID=`id -u ${STARTUSER} 2> /dev/null`
RET=$?
if [ ${RET} -ne 0 ];
then
        echo "User ${STARTUSER} does not exist."
        exit 1
fi

# If we're root, restart as unpriveleged user. Abort if anyone else.
if [ ${UID} -eq 0 ];
then
  exec su ${STARTUSER} -c "$0 $*"
elif [ ${UID} -eq ${STARTUID} ];
then
  echo "do nothing" > /dev/null 2> /dev/null
else
  echo "This needs to be run as root or ${STARTUSER}. "
  exit 1
fi

runexit() {
  echo "Already running!"
  exit 1
}

start() {
  echo -n "Starting Solr... "
  if [ "x${PID}" == "x" ];
  then
    PID=0
  fi
  # Let's check to see if the PID is up and is actually Solr
  checkproccmdline > /dev/null 2> /dev/null
  if [ ${RET} -eq 0 ];
  then
    # If PID is up and is Solr, fail.
    runexit
  fi
  # Pre-emptive extreme prejudice strike on anything using Solr's port
  killbyport
  sleep 1
  # Start 'er up.
  cd ${SOLRROOT}
  #${JBIN} ${STARTARGS} -jar ${SOLRROOT}/start.jar >${SOLRLOG}/solr.out 2>${SOLRLOG}/solr_err.log &
  ${JBIN} ${STARTARGS} -jar start.jar >${SOLRLOG}/solr.out 2>${SOLRLOG}/solr_err.log &
  PID=$!
  if [ $PID ];
        then 
          echo ${PID} > ${PIDFILE}
          disown ${PID}
          #echo "done"
          echo_success
  else 
        echo_failure
  fi
  echo 
  return $RETVAL
}

checkproccmdline() {
  grep ${PROC_CHECK_ARG} /proc/${PID}/cmdline > /dev/null 2> /dev/null
  RET=$?
}

termbypid() {
  checkpid ${PID}
  RET=$?
  if [ ${RET} -eq 0 ];
  then
    checkproccmdline
    if [ ${RET} -eq 0 ];
    then
      kill $PID
    else
      echo
      echo "pid ${PID} is not Solr!"
      echo > ${PIDFILE}
    fi
  fi
}

killbypid() {
  checkpid ${PID}
  RET=$?
  if [ ${RET} -eq 0 ];
  then
    checkproccmdline
    if [ ${RET} -eq 0 ];
    then
      kill -9 $PID
    else
      echo
      echo "pid ${PID} is not Solr!"
      echo > ${PIDFILE}
    fi
  fi
}

termbyport() {
  ${FUSER} -sk -n tcp ${LISTENPORT}
}

killbyport() {
  ${FUSER} -sk9 -n tcp ${LISTENPORT}
}

checkpidsleep() {
  checkpid ${PID} && sleep 1
  checkpid ${PID} && sleep 1
  checkpid ${PID} && sleep 1
  checkpid ${PID} && sleep 1
  checkpid ${PID} && sleep 1
  checkpid ${PID} && sleep 1
  checkpid ${PID} && sleep 1
  checkpid ${PID} && sleep 1
  checkpid ${PID} && sleep 1
  checkpid ${PID} && sleep 1
}

stop() {
  echo -n "Stopping Solr... "
  # check to see if PID is empty.
  if [ "x${PID}" == "x" ];
  then
    # term then kill anything using Solr's port, assume success.
    termbyport
    sleep 5
    killbyport
  else
    # Try Jetty's stop mechanism.
    ${JBIN} $STOPARGS -jar /${SOLRROOT}/start.jar --stop \
      > /dev/null 2> /dev/null
    checkpidsleep
    # Controlled death by PID.
    termbypid
    checkpidsleep
    # Controlled death by Solr port.
    termbyport
    checkpidsleep
    # Sudden death by PID and Solr port.
    killbyport
    killbypid
    checkpidsleep
    # report failure if none of the above worked.
    if checkpid $PID 2>&1;
    then
          echo_failure
    fi
  fi
 # echo "done"
  echo > $PIDFILE
  echo_success
  echo 
  return $RETVAL
}

UP=`cat /proc/uptime | cut -f1 -d\ | cut -f1 -d.`
# If the machine has been up less than 3 minutes, wipe the pidfile.
if [ ${UP} -lt 180 ];
then
  echo > ${PIDFILE}
fi

PID=`cat ${PIDFILE}`

solrstatus() {
        if [ ${PID} ];
          then
                echo "Solr is running with pid $PID"
        else
                echo "Solr is not running"
        fi
}

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

exit $?