#!/bin/ksh
#
# Copyright 2006 Sun Microsystems, Inc. All rights reserved.
# Use is subject to license terms.
#
#ident	"%Z%%M%   %I%    %E% SMI"
if [[ -z "$1" || -z "$2" || -z "$3" || -z "$4" ]]; then
    echo "usage: $0 <#-of-zones> <zonename-prefix> <basedir> <template zone>"
    exit 2
fi
if [[ ! -d $3 ]]; then
    echo "$3 is not a directory"
    exit 1
fi
state=`zoneadm -z $4 list -p 2>/dev/null | cut -f 3 -d ":"`
if [[ -z "$state" || $state != "installed" ]]; then
    echo "$4 must be an installed, halted zone"
    exit 1
fi

template_zone=$4

nprocs=`psrinfo | wc -l`
nzones=$1
prefix=$2
dir=$3

ip_addrs_per_if=`ndd /dev/ip ip_addrs_per_if`
if [ $ip_addrs_per_if -lt $nzones ]; then
	    echo "ndd parameter ip_addrs_per_if is too low ($ip_addrs_per_if)"
	    echo "set it higher with 'ndd -set /dev/ip ip_addrs_per_if <num>"
	    exit 1
fi

i=1
while [ $i -le $nzones ]; do
	zoneadm -z $prefix$i clone $template_zone > /dev/null 2>&1
	if [ $? != 0 ]; then
		echo configuring $prefix$i
		F=$dir/$prefix$i.config
		rm -f $F
		echo "create -t SUNWlx" > $F
		echo "set zonepath=$dir/$prefix$i" >> $F
		zonecfg -z $prefix$i -f $dir/$prefix$i.config 2>&1 | \
		    sed 's/^/    /g' 
	else
		echo "skipping $prefix$i, already configured"
	fi
	i=`expr $i + 1`
done

i=1
while [ $i -le $nzones ]; do
	j=1
	while [ $j -le $nprocs ]; do
		if [ $i -le $nzones ]; then
			if [ `zoneadm -z $prefix$i list -p | \
			    cut -d':' -f 3` != "configured" ]; then
				echo "skipping $prefix$i, already installed"
			else
				echo installing $prefix$i
				mkdir -pm 0700 $dir/$prefix$i
				chmod 700 $dir/$prefix$i
				zoneadm -z $prefix$i install -s -d /path/to/ISOs > /dev/null 2>&1 &
				sleep 1	# spread things out just a tad
			fi
		fi
		i=`expr $i + 1`
		j=`expr $j + 1`
	done
	wait
done

i=1
para=`expr $nprocs \* 2`
while [ $i -le $nzones ]; do
	date
	j=1
	while [ $j -le $para ]; do
		if [ $i -le $nzones ]; then
			echo booting $prefix$i
			zoneadm -z $prefix$i boot &
		fi
		j=`expr $j + 1`
		i=`expr $i + 1`
	done
	wait
done