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|
#! /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
#set -x
PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/iscsid
ADM=/usr/sbin/iscsiadm
PIDFILE=/var/run/iscsid.pid
[ -x "$DAEMON" ] || exit 0
if [ ! -d /sys/class/ ]; then
echo "Failure:" "iSCSI requires a mounted sysfs, not started."
exit 1
fi
nodestartup_re='s/^node\.conn\[0]\.startup[ ]*=[ ]*//p'
RETVAL=0
start() {
echo "Starting iSCSI initiator service" "iscsid"
modprobe -q iscsi_tcp 2>/dev/null || :
modprobe -q ib_iser 2>/dev/null || :
if [ ! -f /etc/iscsi/initiatorname.iscsi ]; then
INITIATORNAME=$(iscsi-iname)
cat >/etc/iscsi/initiatorname.iscsi <<EOF
## DO NOT EDIT OR REMOVE THIS FILE!
## If you remove this file, the iSCSI daemon will not start.
## If you change the InitiatorName, existing access control lists
## may reject this initiator. The InitiatorName must be unique
## for each iSCSI initiator. Do NOT duplicate iSCSI InitiatorNames.
InitiatorName=$INITIATORNAME
EOF
fi
# Fix label for /etc/iscsi/initiatorname.iscsi if SELinux was enabled
test ! -x /sbin/restorecon || /sbin/restorecon -F /etc/iscsi/initiatorname.iscsi
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON
RETVAL=$?
starttargets
}
starttargets() {
echo "Setting up iSCSI targets"
$ADM -m node --loginall=automatic
}
stoptargets() {
echo "Disconnecting iSCSI targets"
sync
$ADM -m node --logoutall=all
RETVAL=$?
#if RETVAL is 21, means no active sessions, consider ok
if [ "$RETVAL" = "21" ]; then
RETVAL=0
fi
}
stop() {
stoptargets
if [ $RETVAL -ne 0 ]; then
echo "Failure:" "Could not stop all targets, try again later"
return $RETVAL
fi
echo "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
}
restart() {
stop
if [ $RETVAL -ne 0 ]; then
echo "Failure:" "Stopping iSCSI initiator service failed, not starting"
return $RETVAL
fi
start
}
restarttargets() {
stoptargets
if [ $RETVAL -ne 0 ]; then
echo "Failure:" "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
|
