preinst is in open-iscsi 2.0.874-5ubuntu2.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | #!/bin/sh
# preinst script for open-iscsi
. /usr/share/debconf/confmodule
set -e
case "$1" in
install|upgrade)
# Determine if we have any iSCSI sessions that are in a failed
# state. If so, upgrading iSCSI is dangerous, so ask the user
# if they really want to do it. But before prompting, retry a
# few times, just in case we hit a bad moment where a TCP
# connection was being reestablished.
RETRIES=0
while cat /sys/class/iscsi_session/session*/state 2>/dev/null | grep -qv LOGGED_IN ; do
if [ $RETRIES -gt 5 ]; then
db_reset open-iscsi/upgrade_even_with_failed_sessions || true
db_input critical open-iscsi/upgrade_even_with_failed_sessions || true
db_go
db_get open-iscsi/upgrade_even_with_failed_sessions
if [ "$RET" = "false" ] ; then
echo "Aborting preinst due to user request." >&2
exit 1
fi
break
fi
RETRIES=$((RETRIES + 1))
sleep 1
done
;;
abort-upgrade)
;;
*)
echo "preinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
if [ "$1" = "upgrade" ] && dpkg --compare-versions "$2" le-nl "2.0.873+git0.3b4b4500-12" ; then
# /etc/iscsi/initiatorname.iscsi is no longer a conffile, so we rename it
# to .dpkg-backup so that dpkg will not mark it as an obsolete conffile
# on upgrading (which could cause some administrators to accidentally
# remove the file even though they need it while removing obsolete
# conffiles) - and then in postinst we will rename it back to
# initiatorname.iscsi.
if [ -f /etc/iscsi/initiatorname.iscsi ] ; then
mv -f /etc/iscsi/initiatorname.iscsi /etc/iscsi/initiatorname.iscsi.dpkg-backup
fi
fi
# Automatically added by dh_installdeb/11.1.4ubuntu1
dpkg-maintscript-helper rm_conffile /etc/init.d/umountiscsi.sh 2.0.873+git0.3b4b4500-9 -- "$@"
# End automatically added section
# Automatically added by dh_installdeb/11.1.4ubuntu1
dpkg-maintscript-helper rm_conffile /etc/init/iscsi-network-interface.conf 2.0.873-3ubuntu12~ -- "$@"
# End automatically added section
exit 0
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