#! /bin/sh

### BEGIN INIT INFO

# Provides:

# Required-Start:

# Required-Stop:

# Default-Start:

# Default-Stop:

# Short-Description: Starts and stops the iSCSI initiator services and logins to default targets

### END INIT INFO

PATH=/sbin:/bin:/usr/sbin:/usr/bin

DAEMON=/sbin/iscsid

ADM=/sbin/iscsiadm

PIDFILE=/run/iscsid.pid

[ -x "$DAEMON" ] || exit 0

. /lib/lsb/init-functions

if [ ! -d /sys/class/ ]; then

  log_failure_msg "iSCSI requires a mounted sysfs, not started."

  exit 1

fi

nodestartup_re='s/^node\.conn\[0]\.startup[ 	]*=[ 	]*//p'

RETVAL=0

start() {

	log_daemon_msg "Starting iSCSI initiator service" "iscsid"

	modprobe -q iscsi_tcp 2>/dev/null || :

	modprobe -q ib_iser 2>/dev/null || :

	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON

	RETVAL=$?

	log_end_msg $RETVAL

	starttargets

}

starttargets() {

	log_daemon_msg "Setting up iSCSI targets"

	$ADM -m node --loginall=automatic

	log_end_msg 0

}

stoptargets() {

	log_daemon_msg "Disconnecting iSCSI targets"

	sync

	$ADM -m node --logoutall=all

	RETVAL=$?

	log_end_msg $RETVAL

}

stop() {

	stoptargets

	if [ $RETVAL -ne 0 ]; then

		log_failure_msg "Could not stop all targets, try again later"

		return $RETVAL

	fi

	log_daemon_msg "Stopping iSCSI initiator service"

	start-stop-daemon --stop --quiet --pidfile $PIDFILE --exec $DAEMON

	rm -f $PIDFILE

	status=0

	modprobe -r ib_iser 2>/dev/null

	if [ "$?" -ne "0" -a "$?" -ne "1" ]; then

		status=1

	fi

	modprobe -r iscsi_tcp 2>/dev/null

	if [ "$?" -ne "0" -a "$?" -ne "1" ]; then

		status=1

	fi

	log_end_msg $status

}

restart() {

	stop

	if [ $RETVAL -ne 0 ]; then

		log_failure_msg "Stopping iSCSI initiator service failed, not starting"

		return $RETVAL

	fi

	start

}

restarttargets() {

	stoptargets

	if [ $RETVAL -ne 0 ]; then

		log_failure_msg "Could not stop all targets, try again later"

		return $RETVAL

	fi

	starttargets

}

status() {

	#XXX FIXME: what to do here?

	#status iscsid

	# list active sessions

	echo Current active iSCSI sessions:

	$ADM -m session

}

case "$1" in

	start|starttargets|stop|stoptargets|restart|restarttargets|status)

		$1

		;;

	*)

		echo "Usage: $0 {start|stop|restart|status}"

		exit 1

		;;

esac

exit $RETVAL