#!/bin/sh
# chkconfig: 345 98 10
# description: The vservers service is used to start and stop all
#              the virtual servers.

USR_SBIN=/usr/sbin
USR_LIB_VSERVER=/usr/lib/vserver
RUNLEVEL=`/sbin/runlevel | sed s'/^# //'`


# Print the vserver name in priority/alpha order
sortserver(){
	(
	cd /etc/vservers
	for serv in *.conf
	do
		PRIORITY=100
		. /etc/vservers/$serv
		printf "%03d %s\n" $PRIORITY `basename $serv .conf`
	done
	) | sort $* | (while read a b; do echo $b; done)
}

startservers(){
	echo "Starting the virtual servers"
	cd /etc/vservers
	for name in `sortserver`
	do
		ONBOOT=
		eval `$USR_LIB_VSERVER/printconf.sh --quote $name`
		if [ "$ONBOOT" = "yes" ] ; then
			if [ "$BUILDFROM" != "" ];then
				# This is a synthetic vserver. We must assemble it
				if [ -d "$VSERVERDIR" -a ! -d "$VSERVERDIR/usr/lib"  ];then
					# /usr/lib is missing.
					# It may be partially assembled after a reboot
					# (the mount -bind are missing, whatever)
					# so we may have to remove it first
					$USR_SBIN/vserver $name remove
				fi
				if [ ! -d "$VSERVERDIR"  ];then
					$USR_SBIN/vserver $name assemble
				fi
			fi
			$USR_SBIN/vserver $name start
		else
			echo virtual server $name not configured for on boot start
		fi
	done
}

BACKGROUND=off
if [ -f /etc/vservers.conf ] ; then
	. /etc/vservers.conf
fi


# See how we were called.
case "$1" in
  start)
	if [ "$BACKGROUND" = "yes" ] ; then
		startservers >/dev/tty8 </dev/tty8 2>/dev/tty8 &
	else
		startservers
	fi
	touch /var/lock/subsys/vservers
	;;
  stop)
	echo "Stopping the virtual servers"
	cd /etc/vservers
	for name in `sortserver -r` ; do
		$USR_SBIN/vserver $name stop
		if [ "$RUNLEVEL" = "0" -o "$RUNLEVEL" = "6" ] ; then
			# In shutdown mode, we automatically remove the vservers.
			eval `$USR_LIB_VSERVER/printconf.sh --quote $name`
			if [ "$BUILDFROM" != "" ] ; then
				$USR_SBIN/vserver $name remove
			fi
		fi
	done
	rm -f /var/lock/subsys/vservers
	;;
  restart)
	$0 stop
	$0 start
	;;
  reload)
	echo Not implemented
	;;
  force-reload)
	$0 stop
	$0 start
        ;;
  status)
	cd /etc/vservers
	for serv in *.conf
	do
		ONBOOT=no
		name=`basename $serv .conf`
		. /etc/vservers/$serv
		echo -n ONBOOT=$ONBOOT " "
		$USR_SBIN/vserver $name running
	done
	;;
  *)
	echo "Usage: vservers {start|stop|restart|reload|status}"
	exit 1
esac

exit 0