#!/bin/bash
#
# /etc/init.d/iscsi
#
### BEGIN INIT INFO
# Provides:          iscsiboot
# Required-Start:    boot.proc
# Should-Start:
# Required-Stop:     
# Should-Stop:
# Default-Start:     B
# Default-Stop:      
# Short-Description: Starts the iSCSI initiator daemon
#                    
### END INIT INFO

ISCSIADM=/sbin/iscsiadm
PID_FILE=/var/run/iscsi.pid
CONFIG_FILE=/etc/iscsid.conf
DAEMON=/sbin/iscsid
ARGS="-c $CONFIG_FILE -p $PID_FILE"

# Source LSB init functions
. /etc/rc.status

#
# This service is run right after booting. So all activated targets
# must be enabled during mkinitrd run and thus should not be removed
# when the open-iscsi service is stopped.
#
iscsi_mark_root_nodes()
{
    TARGETS=$($ISCSIADM -m session 2> /dev/null | sed 's@.*\[[^:]*:\(.*\)\] .*@\1@g')
    for rec in $TARGETS; do
	STARTUP=`$ISCSIADM -m node -r $rec | grep "node.conn\[0\].startup" | cut -d' ' -f3`
	if [ "$STARTUP" != "onboot" ] ; then
	    $ISCSIADM -m node -r $rec -o update -n node.conn[0].startup -v onboot
	fi
    done
}

# Reset status of this service
rc_reset

# We only need to start this for root on iSCSI
if ! grep -q iscsi_tcp /proc/modules ; then
    rc_failed 6
    rc_exit
fi

case "$1" in
    start)
	[ ! -d /var/lib/open-iscsi ] && mkdir -p /var/lib/open-iscsi
	echo -n "Starting iSCSI initiator for the root device: "
	startproc $DAEMON $ARGS
	rc_status -v
	iscsi_mark_root_nodes
	;;
    stop)
	rc_failed 0
	;;
    status)
	echo -n "Checking for iSCSI initiator service: "
	if checkproc $DAEMON ; then
	    rc_status -v
	else
	    rc_failed 3
	    rc_status -v
	fi
	;;
    restart)
	$0 stop
	sleep 1
	$0 start
	;;
    *)
	echo "Usage: $0 {start|stop|status|restart}"
	exit 1
	;;
esac
rc_exit