69 lines
1.7 KiB
Bash
Executable File
69 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# This script logs out from all active iSCSI sessions, excluding those
|
|
# listed in /run/open-iscsi/shutdown-keep-sessions. That file is
|
|
# generated by umountiscsi.sh and determines which sessions should not
|
|
# be terminated.
|
|
#
|
|
|
|
ISCSIADM=/usr/sbin/iscsiadm
|
|
PIDFILE=/run/iscsid.pid
|
|
|
|
ISCSI_ROOT_KEEP_ALL_SESSIONS_AT_SHUTDOWN=0
|
|
if [ -f /etc/default/open-iscsi ]; then
|
|
. /etc/default/open-iscsi
|
|
fi
|
|
|
|
if [ -f /etc/iscsi/iscsi.initramfs ] && [ $ISCSI_ROOT_KEEP_ALL_SESSIONS_AT_SHUTDOWN -eq 1 ]; then
|
|
# Don't logout from any sessions if root is on initramfs and the
|
|
# administrator wanted it that way.
|
|
exit 0
|
|
fi
|
|
|
|
if [ ! -s $PIDFILE ] || ! kill -0 `sed -n 1p $PIDFILE` >/dev/null 2>/dev/null ; then
|
|
# Don't logout from iSCSI sessions if daemon isn't running
|
|
echo "iSCSI initiator daemon not running, not logging out from targets." >&2
|
|
exit 1
|
|
fi
|
|
|
|
EXCLUDED_SESSIONS=""
|
|
if [ -f /run/open-iscsi/shutdown-keep-sessions ] ; then
|
|
_EXCLUDED_SESSIONS=$(cat /run/open-iscsi/shutdown-keep-sessions)
|
|
for s in ${_EXCLUDED_SESSIONS} ; do
|
|
EXCLUDED_SESSIONS="${EXCLUDED_SESSIONS:+$EXCLUDED_SESSIONS }${s}"
|
|
done
|
|
fi
|
|
|
|
# trivial case
|
|
if [ -z "$EXCLUDED_SESSIONS" ] ; then
|
|
$ISCSIADM -m node --logoutall=all
|
|
exit $?
|
|
fi
|
|
|
|
in_set() {
|
|
eval _set=\$$1
|
|
case "${_set}" in
|
|
("$2"|*" $2"|"$2 "*|*" $2 "*) return 0 ;;
|
|
(*) return 1 ;;
|
|
esac
|
|
}
|
|
|
|
# go through all iSCSI sessions, but exclude those where we don't want
|
|
# to logout from
|
|
RC=0
|
|
for host_dir in /sys/devices/platform/host* ; do
|
|
[ -d "$host_dir"/iscsi_host* ] || continue
|
|
for session_dir in "$host_dir"/session* ; do
|
|
if in_set EXCLUDED_SESSIONS "$session_dir" ; then
|
|
continue
|
|
fi
|
|
$ISCSIADM -m session -r "$session_dir" --logout
|
|
rc=$?
|
|
if [ $rc -ne 0 ] ; then
|
|
RC=1
|
|
fi
|
|
done
|
|
done
|
|
|
|
exit $RC
|