up

#!/bin/bash

up_dir=`dirname $0`
up_conf=./up.conf

if [ -r $up_conf ]; then
	source $up_conf;
else
	echo -n "
# up.conf Configuration of the targets to load

# The number of targets to load
NUM_TARGETS=1
LOG_FILE=./otgtd.log

# Please edit the path to your osd-target backing store.
# You can add as many BACKSTORE[1..n] as you need. Each one
# will have a new target loaded for it.
BACKSTORE[1]=/var/otgt/otgt-1
# BACKSTORE[2]=/var/otgt/otgt-2
# BACKSTORE[3]=/var/otgt/otgt-3
" 				> $up_conf;

	echo "$up_conf not found I have created a new one for you please
		edit and re-run ./up
	"
	exit
fi

# Path to pan_tgtd executables, assuming source tree
TGTADM=./tgt/usr/tgtadm
otgtd_name=otgtd
OTGTD=./tgt/usr/$otgtd_name

case $1 in
down)
	killall -s SIGINT $otgtd_name
	exit
	;;
stat)
        _ps=`ps ax`
	stat=`echo $_ps | grep $otgtd_name`
        if [ "${stat}" == "" ] ; then
                echo "otgtd: DOWN!!!"
        else
                echo "otgtd: UP"
        fi
	exit
	;;
show)
	$TGTADM --lld iscsi --mode target --op show
	exit
	;;

log)
	less +F $LOG_FILE
	exit
	;;

log-reset)
	echo > $LOG_FILE
	exit
	;;

*)
	if [ -n "$1" ]; then
		echo "what is $0 $1?!?"
		exit
	fi
	;;
esac

# Usage: $1<=BACKSTORE $2<=tid
load_target()
{
mkdir -p $1/

# Make target name the hostname
TARGETNAME="$(hostname)""${1//\//.}"

$TGTADM --lld iscsi --mode target --op new --tid $2 --targetname="$TARGETNAME"
$TGTADM --lld iscsi --mode target \
	--op bind --tid $2 --initiator-address ALL

$TGTADM --lld iscsi --mode logicalunit \
	--op new --tid $2 --lun 0 --bstype=osdemu --device-type osd \
	--backing-store $1
}

echo "================ `date` =========================" >> $LOG_FILE

# First run the otgtd daemon in forgraound
# -f - forgraound
# -d - debug level
# DEBUG="-d 9"
DEBUG=""
#$OTGTD $DEBUG -f &>> $LOG_FILE  &
$OTGTD $DEBUG -f &

sleep 2

# 2nd Load some targets
for ((t=1; t <= $NUM_TARGETS; t=$t+1)); do
	echo load_target ${BACKSTORE[$t]} $t
	load_target ${BACKSTORE[$t]} $t
done

# Last print what we got
$TGTADM --lld iscsi --mode target --op show

echo "otgtd started, run \"up down\" to stop"
wait