#!/usr/bin/ksh
usage() {
	print -u2 '
Usage: %s [-t dir]

Collects "du -sk *" infos from /var/sadm and /var/sadm/pkg in all zones.

  t dir .. directory where data files should be stored. Default: /tmp

Example: $0 -t /var/tmp
         gawk -f du.awk sadm.* > sadm.cmp.txt
         gawk -f du.awk pkg.* > pkg.cmp.txt
'
}

TMPD="/tmp"
while getopts "t:h" option ; do
	case "$option" in
		"h") usage; exit 0;;
		"t") 	if [ -d $OPTARG ]; then
				TMPD=$OPTARG
			else
				print -u2 "$OPTARG is not a directory - exiting"
				exit 1
			fi
			;;
	esac
done

if [ `/usr/ucb/whoami` != "root" ];then
	print -u2 "Wanna be root!"
	exit 2
fi
IFS=':'
zoneadm list -pi | while read ID ZN ST ZP BLA ; do
	if [ "$ZN" = "global" ]; then
		ROOT=""
	else
		ROOT="root/"
	fi
	cd ${ZP}/${ROOT}/var/sadm
	echo "Checking ${ZN}:/var/sadm ..."
	du -sk * >${TMPD}/sadm.${ZN}.du
	cd pkg
	echo "Checking ${ZN}:/var/sadm/pkg ..."
	du -sk * >${TMPD}/pkg.${ZN}.du
done