Tomcat init script

tomcat

#! /bin/sh
### BEGIN INIT INFO
# Provides:          skeleton
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Example initscript
# Description:       This file should be used to construct scripts to be
#                    placed in /etc/init.d.
### END INIT INFO

# Author: Foo Bar <[email protected]>
#
# Please remove the "Author" lines above and replace them
# with your own name if you copy and modify this script.

# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="tomcat"
NAME=tomcat
export TOMCAT_HOME=/opt/tomcat6
export CATALINA_HOME=/opt/tomcat6
export CATALINA_PID=/var/run/tomcat/tomcat.pid
export JAVA_HOME=/usr/lib/jvm/java-6-openjdk
export JAVA_OPTS="$JAVA_OPTS -javaagent:/home/deploy/newrelic/newrelic.jar"
export TOMCAT_USER=solr

DAEMON_START=$TOMCAT_HOME/bin/startup.sh
DAEMON_STOP=$TOMCAT_HOME/bin/shutdown.sh

DAEMON=/opt/tomcat6/bin/catalina.sh
DAEMON_ARGS=""
PIDFILE=$CATALINA_PID
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
	# Return
	#   0 if daemon has been started
	#   1 if daemon was already running
	#   2 if daemon could not be started
  echo "STARTING Tomcat"
	start-stop-daemon --start --chuid $TOMCAT_USER:$TOMCAT_USER --pidfile $PIDFILE --exec $DAEMON_START
}

#
# Function that stops the daemon/service
#
do_stop()
{
	# Return
	#   0 if daemon has been stopped
	#   1 if daemon was already stopped
	#   2 if daemon could not be stopped
	#   other if a failure occurred
  echo "STOPPING Tomcat"
	#start-stop-daemon --stop --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
  start-stop-daemon --start --background --chuid $TOMCAT_USER --make-pidfile --pidfile $PIDFILE --exec $DAEMON_STOP
	RETVAL="$?"
	[ "$RETVAL" = 2 ] && return 2
	[ "$?" = 2 ] && return 2
	rm -f $PIDFILE
	return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
	#
	# If the daemon can reload its configuration without
	# restarting (for example, when it is sent a SIGHUP),
	# then implement that here.
	#
	start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
	return 0
}

case "$1" in
  start)
	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
	do_start
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
  stop)
	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
	do_stop
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
  status)
    #status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
    PROCESSES=`ps auxwww | grep java | grep tomcat | grep -v grep`
    if [ -z "$PROCESSES" ]; then
      echo "Tomcat is stopped"
    else
      PROCESS_ID=`echo $PROCESSES | awk '{ print $2 }'`
      echo "Tomcat (pid $PROCESS_ID) is running..."
    fi
    ;;
  #reload|force-reload)
	#
	# If do_reload() is not implemented then leave this commented out
	# and leave 'force-reload' as an alias for 'restart'.
	#
	#log_daemon_msg "Reloading $DESC" "$NAME"
	#do_reload
	#log_end_msg $?
	#;;
  restart|force-reload)
	#
	# If the "reload" option is implemented then remove the
	# 'force-reload' alias
	#
	log_daemon_msg "Restarting $DESC" "$NAME"
	do_stop
	case "$?" in
	  0|1)
		do_start
		case "$?" in
			0) log_end_msg 0 ;;
			1) log_end_msg 1 ;; # Old process is still running
			*) log_end_msg 1 ;; # Failed to start
		esac
		;;
	  *)
	  	# Failed to stop
		log_end_msg 1
		;;
	esac
	;;
  *)
	#echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
	echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
	exit 3
	;;
esac

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