#!/bin/sh
# Wrapper to update/install package in many vservers at once
USR_LIB_VSERVER=/usr/lib/vserver
ETC_VSERVERS=/etc/vservers
usage(){
	echo vrpm: Install/Updates packages in several vservers at once
	echo vrpm vservers ... -- rpm options and packages
	echo vrpm \[--unify\] ALL -- rpm options and packages
	echo vrpm \[--unify\] server1 server2 -- -Uvh package.rpm
	echo
	echo vrpm is executed in the root server
	echo "--unify run vunify on the vserver for the updated packages"
}
UNIFY=no
if [ "$1" = "--unify" ] ; then
	UNIFY=yes
	shift
fi
if [ $# = 0 ] ; then
	usage
else
	SERVERS=
	while [ $# -gt 0 -a "$1" != "--" ]
	do
		if [ "$1" = "ALL" ] ; then
			SERVERS=`cd $ETC_VSERVERS && ls *.conf | sed s/.conf//`
		else
			SERVERS="$SERVERS $1"
		fi
		shift
	done
	if [ "$1" != "--" ] ; then
		usage
	elif [ "$SERVERS" = "" ] ; then
		echo no server specified
		echo
		usage
	else
		shift
		for serv in $SERVERS
		do
			# We try to run the rpm command in the same security
			# context than the vserver, if running.
			# This way, process operations will be done in the proper
			# context
			# If the vserver is not running, chcontext will
			# pick an unused one.
			CTXOPT=""
			CTXFILE=/var/run/vservers/$serv.ctx
			if [ -f $CTXFILE ] ; then
				source $CTXFILE
				CTXOPT="--ctx $S_CONTEXT"
			fi
			#echo rpm --root /vservers/$serv $*
			echo Updating server $serv
			eval `$USR_LIB_VSERVER/printconf.sh --quote $serv`
			/usr/sbin/chcontext --silent $CTXOPT rpm --root $VSERVERDIR $*
		done
		if [ "$UNIFY" = "yes" ] ; then
			PACKAGES=
			for pkg in $*
			do
				case $pkg in
				-*)
					# RPM options ?
					;;
				--*)
					# RPM options ?
					;;
				*)
					pkg=`rpm -qp $pkg --queryformat %{name}`
					PACKAGES="$PACKAGES $pkg"
					;;
				esac
			done
			echo Unification
			$USR_LIB_VSERVER/vunify --excldir /etc --excldir /var/log $SERVERS -- $PACKAGES
		fi
	fi
fi