#! /bin/sh
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### BEGIN INIT INFO
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# Provides:
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# Required-Start:
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# Required-Stop:
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# Default-Start:
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# Default-Stop:
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# Short-Description: Starts and stops the iSCSI initiator services and logins to default targets
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### END INIT INFO
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#set -x
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
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DAEMON=/usr/sbin/iscsid
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ADM=/usr/sbin/iscsiadm
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PIDFILE=/var/run/iscsid.pid
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[ -x "$DAEMON" ] || exit 0
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if [ ! -d /sys/class/ ]; then
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echo "Failure:" "iSCSI requires a mounted sysfs, not started."
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exit 1
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fi
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nodestartup_re='s/^node\.conn\[0]\.startup[ ]*=[ ]*//p'
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RETVAL=0
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start() {
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echo "Starting iSCSI initiator service" "iscsid"
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modprobe -q iscsi_tcp 2>/dev/null || :
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modprobe -q ib_iser 2>/dev/null || :
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if [ ! -f /etc/iscsi/initiatorname.iscsi ]; then
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INITIATORNAME=$(iscsi-iname)
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cat >/etc/iscsi/initiatorname.iscsi <<EOF
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## DO NOT EDIT OR REMOVE THIS FILE!
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## If you remove this file, the iSCSI daemon will not start.
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## If you change the InitiatorName, existing access control lists
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## may reject this initiator. The InitiatorName must be unique
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## for each iSCSI initiator. Do NOT duplicate iSCSI InitiatorNames.
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InitiatorName=$INITIATORNAME
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EOF
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fi
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start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON
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RETVAL=$?
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starttargets
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}
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starttargets() {
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echo "Setting up iSCSI targets"
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$ADM -m node --loginall=automatic
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}
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stoptargets() {
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echo "Disconnecting iSCSI targets"
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sync
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$ADM -m node --logoutall=all
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RETVAL=$?
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#if RETVAL is 21, means no active sessions, consider ok
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if [ "$RETVAL" = "21" ]; then
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RETVAL=0
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fi
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}
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stop() {
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stoptargets
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if [ $RETVAL -ne 0 ]; then
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echo "Failure:" "Could not stop all targets, try again later"
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return $RETVAL
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fi
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echo "Stopping iSCSI initiator service"
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start-stop-daemon --stop --quiet --pidfile $PIDFILE --exec $DAEMON
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rm -f $PIDFILE
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status=0
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modprobe -r ib_iser 2>/dev/null
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if [ "$?" -ne "0" -a "$?" -ne "1" ]; then
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status=1
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fi
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modprobe -r iscsi_tcp 2>/dev/null
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if [ "$?" -ne "0" -a "$?" -ne "1" ]; then
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status=1
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fi
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}
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restart() {
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stop
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if [ $RETVAL -ne 0 ]; then
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echo "Failure:" "Stopping iSCSI initiator service failed, not starting"
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return $RETVAL
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fi
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start
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}
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restarttargets() {
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stoptargets
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if [ $RETVAL -ne 0 ]; then
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echo "Failure:" "Could not stop all targets, try again later"
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return $RETVAL
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fi
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starttargets
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}
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status() {
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#XXX FIXME: what to do here?
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#status iscsid
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# list active sessions
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echo Current active iSCSI sessions:
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$ADM -m session
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}
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case "$1" in
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start|starttargets|stop|stoptargets|restart|restarttargets|status)
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$1
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;;
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*)
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echo "Usage: $0 {start|stop|restart|status}"
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exit 1
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;;
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esac
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exit $RETVAL
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