| #! /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 |
| 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 |