Shell Script Cloning Solaris Zones

This script was written on Solaris 11 running inside VirtualBox.

set -Cex

ROOT=/opt/euromake
DEFROUTER=10.0.2.2
NETWORK=17
MIN=10
MAX=99

cd $ROOT

mkdir -p vacant
for p in $(ls vacant); do
	test -d "vacant/$p"
	if echo $$ >"vacant/$p/lock"; then
		POOL=$p
		trap 'rm -f "vacant/$POOL/lock"' INT TERM EXIT
		break
	fi
done

test "$POOL" -ge "$MIN"
test "$POOL" -le "$MAX"

read ZONE <vacant/$POOL/next
test "$ZONE" -ge "$MIN"
test "$ZONE" -le "$MAX"

ZONENAME=$NETWORK.$POOL.$ZONE
ZONEPATH=/zones/clones/$NETWORK/$POOL/$ZONE

# Comment at your own risk!
echo \
zonecfg -z $ZONENAME <<-COMMIT
	create
	set zonepath=$ZONEPATH
	select anet linkname=net0
		set defrouter=$DEFROUTER
		set allowed-address=10.$ZONENAME
	COMMIT
echo \
zoneadm -z $ZONENAME clone origin # from /zones/origin

NEXT=$(($ZONE + 1))
if [ "$NEXT" -le "$MAX" ]; then
	echo $NEXT >|vacant/$POOL/next
	rm -f vacant/$POOL/lock
else
	mkdir -p full
	test ! -e "full/$POOL"
	mv vacant/$POOL full
fi

trap - INT TERM EXIT

( Debugging )