#!/bin/bash
#
# bacula-dir    This shell script takes care of starting and stopping
#               the bacula-dir daemon, the backup director controling
#               the backup jobs.
#
# chkconfig: - 80 20
# description: Bacula-dir is the Backup-server, which is the program \
#              that schedules backups and controls the bacula-client and \
#              the bacula-storage daemons.
# processname: bacula-dir
# config: /etc/bacula/bacula-dir.conf
# pidfile: /var/run/bacula-dir.9101.pid

# Source function library.
. /etc/init.d/functions

# Source configuration.
if [ -f /etc/sysconfig/bacula-dir ] ; then
        . /etc/sysconfig/bacula-dir
fi

RETVAL=0
prog="bacula-dir"
CONFIG="/etc/bacula/bacula-dir.conf"
OPTS="-c $CONFIG"

if [ "$DIR_USER" != '' ]; then
	OPTS="$OPTS -u $DIR_USER"
fi

if [ "$DIR_GROUP" != '' ]; then
	OPTS="$OPTS -g $DIR_GROUP"
fi

checkconf() {
	# Check if we still have our @@PLACEHOLDERS@@ in the config.
	# If yes, refuse to start, the user has never touched the config.
	grep -q '^[^#].*_PASSWORD@@' $CONFIG
	if [ $? -eq 0 ]; then
		echo -n "Error: Default password in config"
		echo_failure
		echo
		exit 6
	fi
}


checkdatabase() {
	# First, get the currently selected database backend from the
	# alternatives system.
	DB=$(LANG=C alternatives --display bacula-dir | grep 'link currently points to' | awk -F. '{ print $2 }')
	case "$DB" in
		sqlite)
			# No check needed to see if the Database is running
			;;
		mysql)
			# Check if mysqld is running
			service mysqld status > /dev/null 2>&1
			if [ $? -ne 0 ]; then
				echo -n "Error: MySQL is not running"
				echo_failure
				echo
				exit 1
			fi
			;;
		postgresql)
			# Check if postgresql is running
			service postgresql status > /dev/null 2>&1
			if [ $? -ne 0 ]; then
				echo -n "Error: PostgreSQL is not running"
				echo_failure
				echo
				exit 1
			fi
			;;
		*)
			echo -n "Error: Unknown database backend"
			echo_failure
			echo
			exit 1
			;;
	esac
}

start() {
	[ "$EUID" != "0" ] && exit 4

	echo -n "Starting $prog: "
	checkconf
#	Removed for now, as the db might not be on localhost
#	checkdatabase
	daemon $prog $OPTS
	RETVAL=$?
	echo
	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/$prog
	return $RETVAL
}	

stop() {
	[ "$EUID" != "0" ] && exit 4

	echo -n "Shutting down $prog: "
	killproc $prog
	RETVAL=$?
	echo
	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/$prog
	return $RETVAL
}

case "$1" in
    start)
		start
		;;
    stop)
		stop
		;;
    status)
		status $prog
		;;
    restart|force-reload)
		stop
		start
		;;
    reload)
		;;
    condrestart|try-restart)
		if [ -f /var/lock/subsys/$prog ]; then
			stop
			start
		fi
		;;
    *)
	echo "Usage: $prog {start|stop|restart|condrestart|try-restart|reload|force-reload|status|usage}"
	[ "$1" = "usage" ] && exit 0
	exit 2
	;;
esac
exit $?