#!/bin/sh
for vserv in `/usr/sbin/vserver-list --running`
do
	#echo vserv = $vserv
	ACCT=/var/run/vacct/acct-$vserv.log
	COMMONREF=/var/lib/forrest/$vserv.common.ref
	REF=/var/lib/forrest/$vserv.ref
	DIFF=/var/log/forrest/$vserv.tmp
	MAINEXFILE=/var/lib/forrest/exclude.lst
	EXFILE=/var/lib/forrest/exclude-$vserv.lst
	EVFILE=/var/log/forrest/$vserv.events
	if [ ! -f $MAINEXFILE ] ; then
		MAINEXFILE=/dev/null
	fi
	if [ ! -f $EXFILE ] ; then
		EXFILE=/dev/null
	fi
	if [ -f "$ACCT" -a -f "$REF" ] ; then
		EXTRACOMP=
		if [ -f "$COMMONREF" -o -d "$COMMONREF" ] ; then
			EXTRACOMP="--compare $COMMONREF"
		fi
		mkdir -p /var/log/forrest
		if /usr/sbin/forrest --facct $ACCT $EXTRACOMP --compare $REF --excludefile $MAINEXFILE --excludefile $EXFILE --eventfile $EVFILE >$DIFF 
		then
			# Nothing to report
			true
			rm -f $DIFF.sent
		elif cmp --quiet $DIFF $DIFF.sent 2>/dev/null
		then
			# There are process trees not in the reference
			# but we have already told the admin about this problem
			true
		else
			EMAILS=/etc/forrest-monitor-emails.lst
			if [ -f $EMAILS ]; then
				cat $DIFF | mail -s "forrest $vserv" `cat $EMAILS`
			fi
			mv -f $DIFF $DIFF.sent
		fi
	fi
done