preinst is in lxd 2.0.0-0ubuntu4.
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 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | #!/bin/sh
set -e
add_groups()
{
if ! getent passwd lxd >/dev/null; then
adduser --system lxd --home /var/lib/lxd/ --shell /bin/false
# UID allocation
NEXT_UID=100000
while read line; do
OLD_IFS=$IFS
IFS=":"
set -- $line
IFS=$OLD_IFS
[ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ] && continue
LAST=$(($2+$3))
[ "$LAST" -gt "$NEXT_UID" ] && NEXT_UID=$LAST
done < /etc/subuid
usermod --add-subuids ${NEXT_UID}-$(($NEXT_UID+65535)) lxd
usermod --add-subuids ${NEXT_UID}-$(($NEXT_UID+65535)) root
# GID allocation
NEXT_GID=100000
while read line; do
OLD_IFS=$IFS
IFS=":"
set -- $line
IFS=$OLD_IFS
[ -z "$1" ] || [ -z "$2" ] || [ -z "$3" ] && continue
LAST=$(($2+$3))
[ "$LAST" -gt "$NEXT_GID" ] && NEXT_GID=$LAST
done < /etc/subgid
usermod --add-subgids ${NEXT_GID}-$(($NEXT_GID+65535)) lxd
usermod --add-subgids ${NEXT_GID}-$(($NEXT_GID+65535)) root
fi
if ! getent group lxd >/dev/null; then
addgroup --system lxd
fi
# Add each admin user to the lxd group - for systems installed
# before precise
for u in $(getent group admin | sed -e "s/^.*://" -e "s/,/ /g"); do
adduser "$u" lxd >/dev/null || true
done
# Add each sudo user to the lxd group
for u in $(getent group sudo | sed -e "s/^.*://" -e "s/,/ /g"); do
adduser "$u" lxd >/dev/null || true
done
}
case "$1" in
install|upgrade)
add_groups
# lxcbr0 => lxdbr0 bridge upgrade
if [ -n "${2}" ] && dpkg --compare-versions "${2}" lt "2.0.0~rc8-0ubuntu3~"; then
. /usr/share/debconf/confmodule
db_input critical lxd/bridge-upgrade-warning || true
db_go
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/cron.hourly/lxd 2.0.0~rc2-0ubuntu3~ -- "$@"
# End automatically added section
exit 0
|