#!/bin/sh
#
# (c) 2009-2011 Wheel Systems Sp. z o.o.
#
# Author: Pawel Jakub Dawidek <p.dawidek@wheelsystems.com>
#

if [ $# -ne 2 ]; then
	echo "usage: $0 name ip" >/dev/stderr
	exit 1
fi

name="${1}"
ip="${2}"
base="system/jails/${name}"
path="/jails/${name}"

zfscreate() {
	zfs list -Ht snapshot system/root@jailbase >/dev/null 2>&1
	[ $? -ne 0 ] && zfs snapshot system/root@jailbase

	zfs clone system/root@jailbase ${base}
	zfs set readonly=on ${base}

	zfs create -o readonly=off -o setuid=off ${base}/etc
	zfs create -o readonly=off -o compress=lzjb -o setuid=off ${base}/tmp
	zfs create -o readonly=off -o compress=lzjb -o setuid=off ${base}/var
	zfs create -o readonly=off -o canmount=off ${base}/usr
	zfs create ${base}/usr/local
	zfs create -o setuid=off ${base}/usr/work
	zfs create -o readonly=off ${base}/root
	#zfs create -o readonly=off -o setuid=off ${base}/usr/home

	chmod 1777 ${path}/tmp
	mkdir -m 755 ${path}/usr/work/distfiles ${path}/usr/work/packages
}

makesrc() {
	cd /usr/src
	make -k distrib-dirs DESTDIR=${path} >/dev/null
	make -k distribution DESTDIR=${path} >/dev/null
}

makeconf() {
	sed -i '' -E 's/^(.*adjkerntz -a)$/#\1/' ${path}/etc/crontab
	sed -i '' -E 's/^(.*newsyslog)$/#\1/' ${path}/etc/crontab
	(
	echo '# nagios cron'
	echo '*/5	*	*	*	*	root	/bin/date "+\%s" >/tmp/.cron'
	) >>${path}/etc/crontab

	(
	echo 'WRKDIRPREFIX=/usr/work'
	echo 'DISTDIR=/usr/work/distfiles'
	echo 'PACKAGES=/usr/work/packages'
	echo 'PKGREPOSITORY=/usr/work/packages'
	) >${path}/etc/make.conf

	(
	echo 'hostname="'${name}'.wheel.pl"'
	echo
	echo 'devd_enable="NO"'
	echo 'newsyslog_enable="NO"'
	echo 'sendmail_enable="NO"'
	echo 'sendmail_submit_enable="NO"'
	echo 'sendmail_outbound_enable="NO"'
	echo 'sendmail_msp_queue_enable="NO"'
	echo
	echo 'nrpe2_enable="YES"'
	echo 'nrpe2_pidfile="/var/run/nrpe2.pid"'
	) >${path}/etc/rc.conf

	(
	echo 'nameserver 10.0.0.1'
	echo 'search wheel.pl'
	) >${path}/etc/resolv.conf

	(
	echo '*.*	@127.0.0.2'
	) >${path}/etc/syslog.conf

	echo "${ip}	${name} ${name}.wheel.pl" >>/etc/hosts

	(
	echo ${name}
	) >>/etc/mail/local-host-names
	#/etc/rc.d/sendmail restart

	cp /etc/periodic.jail.conf ${path}/etc/periodic.conf
	cp /root/.tcshrc /root/.complete ${path}/root/

	(
	echo "# Device	Mountpoint			FStype	Options	Dump	Pass#"
	echo "/usr/ports	${path}/usr/ports	nullfs	ro	0	0"
	) >/etc/fstab.${name}

	tar cf - -C /etc/mtree/ . | tar xf - -C ${path}/etc/mtree/
	cp -f /etc/localtime ${path}/etc/
	cp -f /etc/mail/aliases /etc/mail/aliases.db /etc/mail/mailer.conf ${path}/etc/mail/
	ln -s mail/aliases ${path}/etc/aliases
	ln -s mail/aliases.db ${path}/etc/aliases.db

	(
	echo "+${name}"
	echo "*.*	/var/log/jail_${name}.log"
	) >>/etc/syslog.conf
	touch /var/log/jail_${name}.log
	chmod 640 /var/log/jail_${name}.log
	/etc/rc.d/syslogd reload

	(
	echo
	echo "jail_${name}_rootdir=\"/jails/${name}\""
	echo "jail_${name}_hostname=\"${name}.wheel.pl\""
	echo "jail_${name}_ip=\"${ip}\""
	) >>/etc/rc.conf
	sed -I $$ -E 's/^jail_list="(.*)"/jail_list="\1 '${name}'"/' /etc/rc.conf
}

zfscreate
makesrc
makeconf