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| Current Path : /var/lib/dpkg/info/ | |
| | Current File : //var/lib/dpkg/info/open-iscsi.preinst |
#!/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
exit 0
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