postinst is in nagios3-common 3.2.3-3ubuntu1.
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 | #!/bin/bash
set -e
# some shorthands for sanity
en="/etc/nagios3"
enc="/etc/nagios3/conf.d"
usn="/usr/share/nagios3"
. /usr/share/debconf/confmodule
if [ -n "$NAG3DEBUG" ]; then
echo "now debugging $0 $@"
set -x
fi
setperm() {
local user="$1"
local group="$2"
local mode="$3"
local file="$4"
shift 4
# only do something when no setting exists
if ! dpkg-statoverride --list "$file" >/dev/null 2>&1; then
chown "$user":"$group" "$file"
chmod "$mode" "$file"
fi
}
case "$1" in
configure)
if ! getent passwd nagios > /dev/null ; then
echo 'Adding system-user for nagios' 1>&2
adduser --system --group --home /var/lib/nagios \
--disabled-login --force-badname nagios > /dev/null
fi
# explicitly set permissions on some files that are dependent
# on the uid/gid of the nagios user, which is dynamically created.
setperm root nagios 0640 $en/resource.cfg
setperm nagios adm 2751 /var/log/nagios3
setperm nagios adm 2751 /var/log/nagios3/archives
setperm nagios nagios 0750 /var/run/nagios3
setperm nagios nagios 0750 /var/lib/nagios3
setperm nagios nagios 0750 /var/lib/nagios3/spool
setperm nagios nagios 0750 /var/lib/nagios3/spool/checkresults
setperm nagios www-data 02750 /var/cache/nagios3
setperm nagios www-data 0700 /var/lib/nagios3/rw
db_stop
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \$1'" >&2
exit 1
;;
esac
# Automatically added by dh_installinit
if [ -x "/etc/init.d/nagios3" ]; then
if [ ! -e "/etc/init/nagios3.conf" ]; then
update-rc.d nagios3 defaults 30 18 >/dev/null
fi
invoke-rc.d nagios3 start || exit $?
fi
# End automatically added section
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