postinst is in liblxc-common 3.0.1-0ubuntu1~18.04.2.
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
set -e
case "$1" in
configure)
# There appears to be some cases where apparmor gets confused
# about the freshness of its cache, so lets just wipe it.
rm -f /etc/apparmor.d/cache/lxc-containers
# lxc-containers must be manually loaded as dh_apparmor doesn't
# know what to do with it
if [ -x /lib/init/apparmor-profile-load ]; then
/lib/init/apparmor-profile-load lxc-containers
elif [ -x /etc/init.d/apparmor ]; then
invoke-rc.d apparmor reload || true
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# Automatically added by dh_apparmor/2.12-4ubuntu5
aa_is_enabled() {
if command aa-enabled >/dev/null 2>&1; then
# apparmor >= 2.10.95-2
aa-enabled --quiet 2>/dev/null
else
# apparmor << 2.10.95-2
# (This should be removed once Debian Stretch and Ubuntu 18.04 are out.)
rc=0
aa-status --enabled 2>/dev/null || rc=$?
[ "$rc" = 0 ] || [ "$rc" = 2 ]
fi
}
if [ "$1" = "configure" ]; then
APP_PROFILE="/etc/apparmor.d/usr.bin.lxc-start"
if [ -f "$APP_PROFILE" ]; then
# Add the local/ include
LOCAL_APP_PROFILE="/etc/apparmor.d/local/usr.bin.lxc-start"
test -e "$LOCAL_APP_PROFILE" || {
mkdir -p `dirname "$LOCAL_APP_PROFILE"`
install --mode 644 /dev/null "$LOCAL_APP_PROFILE"
}
# Reload the profile, including any abstraction updates
if aa_is_enabled; then
apparmor_parser -r -T -W "$APP_PROFILE" || true
fi
fi
fi
# End automatically added section
exit 0
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