<h2>Edit File: osd_login</h2><form method="post"><textarea name="content" rows="20" cols="80">#!/bin/bash
#
# osd_login : This script is part of the autologin feature
#             mandated by the pnfs-objects standard.
# It is called from objlayoutdriver.ko in the kernel.

# Copyright (C) 2012, Sachin Bhamare &lt;sbhamare@panasas.com&gt;
# Copyright (C) 2012, Boaz Harrosh &lt;bharrosh@panasas.com&gt;
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA

umask 022

PATH=&quot;/sbin:/usr/sbin:/bin:/usr/bin&quot;

iscsiadm=/sbin/iscsiadm

PARENT_PID=$BASHPID
WATCHDOG_TIMEOUT=15

protocol=&quot;&quot;
portal=&quot;&quot;
uri=&quot;&quot;
osdname=&quot;&quot;
systemid=&quot;&quot;

usage()
{
	echo &quot;Usage: $0 -u &lt;URI&gt; -o &lt;OSDNAME&gt; -s &lt;SYSTEMID&gt;&quot;
	echo &quot;Options:&quot;
	echo  &quot;-u		target uri e.g. iscsi://&lt;ip&gt;:&lt;port&gt;&quot;
	echo  &quot;-o		osdname of the target OSD&quot;
	echo  &quot;-s		systemid of the target OSD&quot;
}

parse_cmdline()
{
	argc=$#
	if [ $# -lt 3 ]; then
		usage
		exit 1
	fi

	# parse the input arguments
	while getopts &quot;u:o:s:&quot; options; do
	    case $options in
		u ) uri=$OPTARG;;
		o ) osdname=$OPTARG;;
		s ) systemid=$OPTARG;;
		\? ) usage
			exit 1;;
		* )  usage
			exit 1;;
	    esac
	done

	echo &quot;-u : $uri&quot;
	echo &quot;-o : $osdname&quot;
	echo &quot;-s : $systemid&quot;

	protocol=`echo $uri | awk -F &#039;:&#039; &#039;{print $1}&#039;`
	portal=`echo $uri | awk -F &#039;//&#039; &#039;{print $2}&#039;`
}

watchdog()
{
	timeout=$1
	portal=$2

	sleep $timeout
	if kill -9 $PARENT_PID; then
	    echo &quot;watchdog : Timed out (&gt;$timeout seconds) while login into $portal&quot; | logger -t &quot;osd_login&quot;
	fi
	echo &quot;watchdog: exiting ..&quot;
	exit 2
}

login_iscsi_osd()
{
	echo &quot;login into: $1&quot;
	if ! $iscsiadm -m discovery -o nonpersistent -t sendtargets -p $1 --login; then
		echo &quot;$iscsiadm -m discovery -t sendtargets -p $1 --login returned error $? !&quot;
		sleep 1;
	fi
}

echo &quot;============= osd_login =========&quot;
echo &quot;progname : $0&quot;
parse_cmdline &quot;$@&quot;
echo &quot;protocol: $protocol&quot;
echo &quot;portal: $portal&quot;

watchdog $WATCHDOG_TIMEOUT $portal &amp;
watchdog_pid=$!

case $protocol in
iscsi)
	login_iscsi_osd $portal |&amp; logger -t &quot;osd_login&quot;
	;;
*)
	echo &quot;Error: protocol $protocol not supported !&quot; | logger -t &quot;osd_login&quot;
	;;
esac

kill -9 $watchdog_pid
exit 0
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