#!/bin/sh
### BEGIN INIT INFO
# Provides:          gbrowse_aws_balancer
# Required-Start:    $local_fs
# Required-Stop:     $local_fs
# Default-Start:     28
# Default-Stop:      S
# Short-Description: Start/Stop the gbrowse Amazon Web Services-based slave rendering farm
### END INIT INFO

PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=$INSTALLSCRIPT/gbrowse_aws_balancer.pl
NAME="gbrowse-aws-balancer"
DESC="GBrowse Amazon Web Services-based renderfarm load balancer"

test -x $DAEMON || exit 0
set -e

USER=www-data
RUNDIR=/var/run/gbrowse
LOGDIR=/var/log/gbrowse
CONFFILE=$CONF/aws_balancer.conf
ACCESS_KEY=''
SECRET_KEY=''
VERBOSITY=3
NICE=0

COMMAND=$1

if [ -f /etc/default/gbrowse-aws-balancer ]; then
  . /etc/default/gbrowse-aws-balancer
fi

mkdir -p $RUNDIR
chown -R $USER $RUNDIR
mkdir -p $LOGDIR
chown -R $USER $LOGDIR

PID="$RUNDIR/$NAME.pid"
LOG="$LOGDIR/gbrowse_aws_balancer"

case "$COMMAND" in
  start)
	echo "Starting $DESC: $NAME "
	ARGS="--background --conf $CONFFILE --verbosity $VERBOSITY --log $LOG --pid $PID --user $USER --access '$ACCESS_KEY' --secret '$SECRET_KEY'"
	/bin/sh -c "nice -n $NICE $DAEMON $ARGS"
	;;
  stop)
	echo "Stopping $DESC: $NAME "
	ARGS="--conf $CONFFILE --pid $PID --access '$ACCESS_KEY' --secret '$SECRET_KEY' -k"
	$DAEMON $ARGS
	;;
  status)
	if test -e $PID ; then
	    kill -0 `cat $PID`
            if [ "$?" -eq 0 ]; then
                echo "$NAME is running."
            fi
	else
	    echo "$NAME is not running."
	fi
       ;;
  restart|force-reload)
	$0 stop
	$0 start
	;;
  *)
	N=/etc/init.d/$NAME
	echo "Usage: $N {start|stop|restart|force-reload|status}" >&2
	exit 1
	;;
esac

exit 0