#!/bin/sh
# chkconfig: 345 99 01
# description: The vservers service is used to start and stop all
#              the virtual servers.

USR_SBIN=/usr/sbin
VROOTDIR=/vservers

# Print the vserver name in priority/alpha order
sortserver(){
    (
    cd /etc/vservers
    for serv in *.conf ; do
	# XXX - why is this check necessary?
	test -f "$serv" || continue
	PRIORITY=100
	. $serv
	echo $PRIORITY `basename $serv .conf`
    done
    ) | sort -n $* | cut -d ' ' -f 2
}

startservers(){
    echo "Starting the virtual servers"
    cd /etc/vservers
    for name in $*; do
	if ! test -f "$name.conf" ; then
	    echo No configuration for this vserver: /etc/vservers/$name.conf
	    continue
	fi
	ONBOOT=
	BACKGROUND=no
	if [ -f /etc/vservers.conf ] ; then
	    . /etc/vservers.conf
	fi
	. $name.conf
	if [ "$ONBOOT" = "yes" ] ; then
	    mkdir -p $VROOTDIR/$name/var/log
	    if [ "$BACKGROUND" = "yes" ] ; then
		nohup setsid $USR_SBIN/vserver $name start >$VROOTDIR/$name/var/log/boot.log 2>&1 </dev/null &
		sleep 1
	    else
		$USR_SBIN/vserver $name start 2>&1 </dev/null | tee $VROOTDIR/$name/var/log/boot.log
	    fi
	fi
    done
}

# See how we were called.
case "$1" in
  start)
	# do nothing unless passed a vserver name - 'start all' functionality
	# subsumed by Node Manager
	if [ -z "$2" ]; then
	    touch /var/lock/subsys/vservers
	else
	    startservers $2
	fi
	;;
  stop)
	shift
	echo "Stopping the virtual servers"
	cd /etc/vservers
	for name in ${*:-`sortserver -r`} ; do
	    chcontext --ctx `id -u $name` /usr/lib/util-vserver/vserverkillall
	    umount $VROOTDIR/$name/proc
	    umount $VROOTDIR/$name/dev/pts
	done
	rm -f /var/lock/subsys/vservers
	;;
  restart|force-reload)
	shift
	$0 stop $*
	$0 start $*
	;;
  reload)
	echo Not implemented
	;;
  status)
	cd /etc/vservers
	for serv in *.conf ; do
	    ONBOOT=no
	    name=`basename $serv .conf`
	    . $serv
	    echo -n ONBOOT=$ONBOOT " "
	    $USR_SBIN/vserver $name running
	done
	;;
  *)
	echo "Usage: vservers {start|stop|restart|reload|status}"
	exit 1
esac