gistfile1.txt

example bizbox.conf file, used by the script

DOMAIN_IP=192.168.0.13
MY_HOSTNAME=smartos.allenlan.net
BIZBOX_DEFINED="true"

the script (the AD join stuff is near the bottom)

#!/bin/bash
#
# Bizbox setup service - the "bizbox-setup" SMF service runs this once on boot
#
# Configures:
# - auto-backup (crontab, syslog)
# - iscsi volumes
# - joins a domain
#
# Modification history:
# 20130417: recover the AD join state by importing smb/server service info

set -o xtrace
. /lib/svc/share/smf_include.sh

cd /
#PATH=/usr/sbin:/usr/bin; export PATH

#
# get variables from /opt/bizbox/conf/bizbox.conf
#
CONFFILE=/opt/bizbox/conf/bizbox.conf
if [ -z "$BIZBOX_DEFINED" -a -x $CONFFILE ]; then
  . $CONFFILE
fi

case "$1" in
'start')

	#
	# append a logging entry to /etc/syslog.conf
	#
	touch /var/log/bizbox.log
	echo -e "news.debug\t/var/log/bizbox.log" >> /etc/syslog.conf

	#
	# append a crontab line to run the backup script every hour
	#
	echo -e "0 * * * * /bin/bash /opt/bizbox/bin/bxbackup.sh" > /var/spool/cron/crontabs/root
	/usr/sbin/svcadm restart cron

	#
	# move ssh private key file into /root/.ssh/
	#
	if [ -f /opt/bizbox/conf/id_rsa ]; then
		[ -d /root/.ssh ] || mkdir /root/.ssh 
		chmod 700 /root/.ssh
		cp /opt/bizbox/conf/id_rsa /root/.ssh/
		chmod 600 /root/.ssh/id_rsa
		cp /opt/bizbox/conf/id_rsa.pub /root/.ssh/
		chmod 644 /root/.ssh/id_rsa.pub
	fi

	#
	# set up any iscsi volumes that have been created in zones/iscsi
	#
	/usr/sbin/svcadm enable stmf
	/usr/sbin/svcadm enable -r svc:/network/iscsi/target:default
	MYIP=$(ifconfig | grep inet | grep broadcast | awk '{print $2}')
	itadm create-tpg ISCSI-GROUP $MYIP 
	for VOLNAME in $(zfs list -Hr -t volume zones/iscsi | awk '{print $1}' | awk -F/ '{print $3}')
	do
		# capture the output of this command
		GUID=$(sbdadm create-lu /dev/zvol/rdsk/zones/iscsi/$VOLNAME | grep $VOLNAME | awk '{print $1}')
		/usr/sbin/stmfadm add-view $GUID
		/usr/sbin/itadm create-target -n iqn.2010-08.org.illumos:$VOLNAME -t ISCSI-GROUP
	done

	#
	# set hostname
	#
	if [ -n "$MY_HOSTNAME" ]; then
		hostname $MY_HOSTNAME
		echo $MY_HOSTNAME > /etc/nodename
	fi

	#
	# recover the AD join state by importing smb/server service info
	#
	# how to create the service info export file:
	# 1. perform the commands below: copies, sharectl, but not svcadm/svccfg
	# 2. svcadm enable -r smb/server
	# 3. smbadm join
	# 4. svccfg export -a smb/server > /opt/bizbox/conf/smb-server.exp
	
	SVCEXPFILE=/opt/bizbox/conf/smb-server.exp
	if [ ! -f $SVCEXPFILE -o -z "$DOMAIN_IP" ]; then
		logger -p news.info "Error: cannot rejoin domain, config files not defined"
	else
	
		#
		# wait up to 5 minutes for AD to come up
		# test for it by trying to connect to ports 139 & 389
		#
		ADS_ALIVE=0
		JD_STIME=$(date +%s)
		let JD_ETIME=300+$JD_STIME
		while [ 1 ]; do
			nc -vz -w 5 $DOMAIN_IP 139 >/dev/null 2>&1
			if [ "$?" = "0" ]; then
				nc -vz -w 5 $DOMAIN_IP 389 >/dev/null 2>&1
				if [ "$?" = "0" ]; then
					ADS_ALIVE=1
					break
				fi
			fi
			if [ $(date +%s) -gt $JD_ETIME ]; then
				logger -p news.info "bizbox setup script - AD VM not responding, timeout elapsed"
				break
			fi
			sleep 15
		done
		
		if [ "$ADS_ALIVE" = "1" ]; then
			[ -f /opt/bizbox/conf/hosts ]       && cp /opt/bizbox/conf/hosts /etc/
			[ -f /opt/bizbox/conf/resolv.conf ] && cp /opt/bizbox/conf/resolv.conf /etc/
			[ -f /opt/bizbox/conf/krb5.conf ]   && cp /opt/bizbox/conf/krb5.conf /etc/krb5/
			[ -f /etc/nsswitch.dns ]       && cp /etc/nsswitch.dns /etc/nsswitch.conf
			/usr/sbin/sharectl set -p pdc=$DOMAIN_IP -p ads_site=$DOMAIN_IP smb
			/usr/sbin/svcadm disable smb/server
			/usr/sbin/svccfg import $SVCEXPFILE
		fi
	fi
	;;

'stop')
	;;

*)
	echo "Usage: $0 start"
	exit $SMF_EXIT_ERR_FATAL
	;;
esac
exit $SMF_EXIT_OK