| Patrick Williams | b48b7b4 | 2016-08-17 15:04:38 -0500 | [diff] [blame^] | 1 | #! /bin/sh |
| 2 | ### BEGIN INIT INFO |
| 3 | # Provides: |
| 4 | # Required-Start: |
| 5 | # Required-Stop: |
| 6 | # Default-Start: |
| 7 | # Default-Stop: |
| 8 | # Short-Description: Starts and stops the iSCSI initiator services and logins to default targets |
| 9 | ### END INIT INFO |
| 10 | #set -x |
| 11 | PATH=/sbin:/bin:/usr/sbin:/usr/bin |
| 12 | DAEMON=/usr/sbin/iscsid |
| 13 | ADM=/usr/sbin/iscsiadm |
| 14 | PIDFILE=/var/run/iscsid.pid |
| 15 | |
| 16 | [ -x "$DAEMON" ] || exit 0 |
| 17 | |
| 18 | if [ ! -d /sys/class/ ]; then |
| 19 | echo "Failure:" "iSCSI requires a mounted sysfs, not started." |
| 20 | exit 1 |
| 21 | fi |
| 22 | |
| 23 | nodestartup_re='s/^node\.conn\[0]\.startup[ ]*=[ ]*//p' |
| 24 | |
| 25 | RETVAL=0 |
| 26 | |
| 27 | start() { |
| 28 | echo "Starting iSCSI initiator service" "iscsid" |
| 29 | modprobe -q iscsi_tcp 2>/dev/null || : |
| 30 | modprobe -q ib_iser 2>/dev/null || : |
| 31 | if [ ! -f /etc/iscsi/initiatorname.iscsi ]; then |
| 32 | INITIATORNAME=$(iscsi-iname) |
| 33 | cat >/etc/iscsi/initiatorname.iscsi <<EOF |
| 34 | ## DO NOT EDIT OR REMOVE THIS FILE! |
| 35 | ## If you remove this file, the iSCSI daemon will not start. |
| 36 | ## If you change the InitiatorName, existing access control lists |
| 37 | ## may reject this initiator. The InitiatorName must be unique |
| 38 | ## for each iSCSI initiator. Do NOT duplicate iSCSI InitiatorNames. |
| 39 | InitiatorName=$INITIATORNAME |
| 40 | EOF |
| 41 | fi |
| 42 | start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON |
| 43 | RETVAL=$? |
| 44 | starttargets |
| 45 | } |
| 46 | |
| 47 | starttargets() { |
| 48 | echo "Setting up iSCSI targets" |
| 49 | $ADM -m node --loginall=automatic |
| 50 | } |
| 51 | |
| 52 | stoptargets() { |
| 53 | echo "Disconnecting iSCSI targets" |
| 54 | sync |
| 55 | $ADM -m node --logoutall=all |
| 56 | RETVAL=$? |
| 57 | #if RETVAL is 21, means no active sessions, consider ok |
| 58 | if [ "$RETVAL" = "21" ]; then |
| 59 | RETVAL=0 |
| 60 | fi |
| 61 | } |
| 62 | |
| 63 | stop() { |
| 64 | stoptargets |
| 65 | if [ $RETVAL -ne 0 ]; then |
| 66 | echo "Failure:" "Could not stop all targets, try again later" |
| 67 | return $RETVAL |
| 68 | fi |
| 69 | |
| 70 | echo "Stopping iSCSI initiator service" |
| 71 | start-stop-daemon --stop --quiet --pidfile $PIDFILE --exec $DAEMON |
| 72 | rm -f $PIDFILE |
| 73 | status=0 |
| 74 | modprobe -r ib_iser 2>/dev/null |
| 75 | if [ "$?" -ne "0" -a "$?" -ne "1" ]; then |
| 76 | status=1 |
| 77 | fi |
| 78 | modprobe -r iscsi_tcp 2>/dev/null |
| 79 | if [ "$?" -ne "0" -a "$?" -ne "1" ]; then |
| 80 | status=1 |
| 81 | fi |
| 82 | } |
| 83 | |
| 84 | restart() { |
| 85 | stop |
| 86 | if [ $RETVAL -ne 0 ]; then |
| 87 | echo "Failure:" "Stopping iSCSI initiator service failed, not starting" |
| 88 | return $RETVAL |
| 89 | fi |
| 90 | start |
| 91 | } |
| 92 | |
| 93 | restarttargets() { |
| 94 | stoptargets |
| 95 | if [ $RETVAL -ne 0 ]; then |
| 96 | echo "Failure:" "Could not stop all targets, try again later" |
| 97 | return $RETVAL |
| 98 | fi |
| 99 | starttargets |
| 100 | } |
| 101 | |
| 102 | status() { |
| 103 | #XXX FIXME: what to do here? |
| 104 | #status iscsid |
| 105 | # list active sessions |
| 106 | echo Current active iSCSI sessions: |
| 107 | $ADM -m session |
| 108 | } |
| 109 | |
| 110 | case "$1" in |
| 111 | start|starttargets|stop|stoptargets|restart|restarttargets|status) |
| 112 | $1 |
| 113 | ;; |
| 114 | *) |
| 115 | echo "Usage: $0 {start|stop|restart|status}" |
| 116 | exit 1 |
| 117 | ;; |
| 118 | esac |
| 119 | exit $RETVAL |