play! framework 1.x init.d file - could need some tuning; use for inspiration only :-)

play_portal

#!/bin/sh
### BEGIN INIT INFO
# Provides:          skeleton
# Required-Start:    $remote_fs
# Required-Stop:     $remote_fs
# 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: Robert Bakker 
# Note: first try @ init.d script...returncodes are not right yet

# 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="Play portal service"
NAME=play_portal_production
USER=www-data
# ENVIRONMENT  can be "production" or "staging" - this should equal the mode in the application conf
ENVIRONMENT="production"
DAEMON=/var/www/play/framework/play/play
APPDIR=/var/www/play/application/portal/portal/play
PRECOMPILE_MODE=" -Dprecompiled=true"
DAEMON_ARGS="/var/www/play/application/portal/portal/play --%prodc"
SCRIPTNAME=/etc/init.d/$NAME
PIDFILE=$APPDIR"/server.pid"

### DO NOT EDIT THIS SCRIPT BELOW THIS LINE ### 

# 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

if [ $(id -u) != "0" ]
then
  echo "You should be root to run this script."
  exit 1
fi

#
# 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
        if [ $ENVIRONMENT = "production"  ]
        then
            EXTRAOPT=$PRECOMPILE_MODE
        fi

        cleanup_pid_file
        cd $APPDIR && su $USER -c "umask 002 && $DAEMON start $DAEMON_ARGS $EXTRAOPT" && return 0
	# Add code here, if necessary, that waits for the process to be ready
	# to handle requests from services started subsequently which depend
	# on this one.  As a last resort, sleep for some time.
}

#
# 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
	cd $APPDIR && su $USER -c "umask 002 && $DAEMON stop $DAEMON_ARGS" && return 0
}

do_status()
{
	# Return
	#   0 if daemon has been started
	#   1 if daemon was already running
	#   2 if daemon could not be started
        # play status does not like new relic 
        DARGS=`echo $DAEMON_ARGS | sed -e 's/-javaagent.*//'`
        cd $APPDIR && su $USER -c "umask 002 && $DAEMON status $DARGS" && return 0
	# Add code here, if necessary, that waits for the process to be ready
	# to handle requests from services started subsequently which depend
	# on this one.  As a last resort, sleep for some time.
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_precompile() {
	#
	# If the daemon can reload its configuration without
	# restarting (for example, when it is sent a SIGHUP),
	# then implement that here.
	#


	if [ $ENVIRONMENT = "staging"  ]
	then
  		echo "Stagin portals do not need precompiling since they run in play development mode."
  		exit 1
	fi

	cd $APPDIR && su $USER -c "umask 002 && $DAEMON precompile " && return 0
		return 0

}


#
# check if we have a bogus pid-file 
# this could be a left-over from a server-crash 
# in this case: remove it
#
cleanup_pid_file()
{
  pidfile=$PIDFILE
  #echo $PIDFILE
  # file does not exist? ok, nothin to do
  if [ ! -f "$pidfile" ] 
  then 
    return  
  fi
  procpid=`cat "$pidfile"`
 #   echo "found pid: " $procpid 
  psline=`ps -p $procpid | grep  java`;
 # echo $psline 
  if [ -z "$psline" ]
  then
    echo "(check pid) process not running - REMOVING BOGUS PIDFILE $PIDFILE FOR $procpid";   
    su $USER -c "rm -f $pidfile"
  else
    echo "(check pid) process is running ($procpid) - leaving pidfile"
  fi

}


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) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
  status)
	[ "$VERBOSE" != no ] && log_daemon_msg "Status $DESC" "$NAME"
	do_status
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
  precompile)
	[ "$VERBOSE" != no ] && log_daemon_msg "Precompiling $DESC" "$NAME"
	do_precompile
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
  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|force-reload|precompile|status}" >&2
	exit 3
	;;
esac

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