postinst is in nagvis 1:1.7.10+dfsg1-3ubuntu1.
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.
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# postinst script for nagvis
#
# see: dh_installdeb(1)
set -e
# summary of how this script can be called:
# * <postinst> `configure' <most-recently-configured-version>
# * <old-postinst> `abort-upgrade' <new version>
# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
# <new-version>
# * <postinst> `abort-remove'
# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
# <failed-install-package> <version> `removing'
# <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
if dpkg --compare-versions "$2" lt-nl "1:1.7.9+dfsg1-1~"; then
# help by adding a empty file
touch /etc/nagvis/apache2.conf
# move /etc/apache2/conf.d/nagvis.conf to /etc/nagvis/apache2.conf
dpkg-maintscript-helper mv_conffile \
/etc/apache2/conf.d/nagvis.conf /etc/nagvis/apache2.conf "1:1.7.9+dfsg1-1~" nagvis -- "$@"
# unregister old file
ucf -p /etc/apache2/conf.d/nagvis.conf
ucfr -p nagvis /etc/apache2/conf.d/nagvis.conf
# delete helper file
rm -f /etc/nagvis/apache2.conf.dpkg-new
# remove old automap
dpkg-maintscript-helper rm_conffile \
/etc/nagvis/automaps/__automap.cfg "1:1.7.9+dfsg1-1~" nagvis -- "$@"
rmdir /etc/nagvis/automaps/ 2>/dev/null || true
fi
setperm() {
user="$1"
group="$2"
mode="$3"
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" "$file"
fi
}
update_permissions() {
setperm www-data www-data 0755 /etc/nagvis
setperm www-data www-data 0755 /etc/nagvis/maps
setperm www-data www-data 0755 /etc/nagvis/conf.d
setperm www-data www-data 0755 /etc/nagvis/profiles
setperm www-data www-data 0755 /var/lib/nagvis/userfiles
setperm www-data www-data 0755 /var/lib/nagvis/userfiles/images/maps
setperm www-data www-data 0755 /var/lib/nagvis/userfiles/images/shapes
setperm www-data www-data 0750 /var/cache/nagvis
setperm www-data www-data 0750 /var/cache/nagvis/tmpl
setperm www-data www-data 0750 /var/cache/nagvis/tmpl/compile
setperm www-data www-data 0750 /var/cache/nagvis/tmpl/cache
}
# migrate userfiles from /var/cache/nagvis to /var/lib/nagvis
migrate_userfiles() {
from="/var/cache/nagvis/userfiles"
to="/var/lib/nagvis/userfiles"
for dir in images/maps images/shapes; do
if [ -d "$from/$dir" ]; then
echo "moving files from $from/$dir to $to/$dir ..."
mv "$from/$dir"/* "$to/$dir/"
rmdir "$from/$dir" || true
fi
done
test -d "$from/images" && rmdir "$from/images" || true
test -d "$from" && rmdir "$from" || true
}
case "$1" in
configure)
# Source debconf library.
. /usr/share/debconf/confmodule
db_get nagvis/monitoring_system
MONITORING="$RET"
case "$MONITORING" in
"icinga"|"nagios"|"shinken")
## Creating Configuration file for Nagvis
nagvis_tmp=$(mktemp)
cat /usr/share/nagvis/defaults/nagvis.ini.php-sample | sed \
-e "s#;file_group=\"\"#file_group=\"www-data\"#g" \
-e "s#;file_mode=\"660\"#file_mode=\"660\"#g" \
-e "s#;base=\"/usr/local/nagvis/\"#base=\"/usr/share/nagvis/\"#" \
-e "s#;htmlbase=\"/nagvis\"#htmlbase=\"/nagvis\"#" \
-e "s#\[rotation_demo\]#;\[rotation_demo\]#" \
-e "s#interval=15#;interval=15#" \
-e "s#maps=\"\(.*\)\"#;maps=\"\1\"#" \
> "$nagvis_tmp"
case "$MONITORING" in
"icinga")
sed -i "$nagvis_tmp" \
-e "s#;htmlcgi=\"/nagios/cgi-bin\"#htmlcgi=\"/icinga/cgi-bin\"#" \
-e "s#;socket=\"unix:/usr/local/nagios/var/rw/live\"#socket=\"unix:/var/lib/icinga/rw/live\"#"
;;
"nagios")
sed -i "$nagvis_tmp" \
-e "s#;htmlcgi=\"/nagios/cgi-bin\"#htmlcgi=\"/nagios/cgi-bin\"#" \
-e "s#;socket=\"unix:/usr/local/nagios/var/rw/live\"#socket=\"unix:/var/lib/nagios3/rw/live\"#"
;;
"shinken")
sed -i "$nagvis_tmp" \
-e "s#;htmlcgi=\"/nagios/cgi-bin\"#htmlcgi=\"/nagios/cgi-bin\"#" \
-e "s#;socket=\"unix:/usr/local/nagios/var/rw/live\"#socket=\"tcp:localhost:50000\"#"
;;
esac
chgrp www-data "$nagvis_tmp"
chmod g+rw "$nagvis_tmp"
ucf --debconf-ok "$nagvis_tmp" /etc/nagvis/nagvis.ini.php
ucfr nagvis /etc/nagvis/nagvis.ini.php
rm -f "$nagvis_tmp"
## Creating Configuration snipplet for Apache
apache_tmp=$(mktemp)
sed -e "s#@NAGVIS_PATH@#/usr/share/nagvis/share/#g" \
-e "s#@NAGVIS_WEB@#/nagvis#g" \
< /usr/share/nagvis/defaults/apache2-nagvis.conf-sample \
> "$apache_tmp"
case "$MONITORING" in
"icinga")
sed -i "$apache_tmp" \
-e "s#@NAGIOS_PATH@/etc#/etc/icinga#g"
;;
"nagios")
sed -i "$apache_tmp" \
-e "s#@NAGIOS_PATH@/etc#/etc/nagios3#g"
;;
"shinken")
sed -i "$apache_tmp" \
-e "s#@NAGIOS_PATH@/etc#/etc/shinken#g"
;;
esac
chmod go+r "$apache_tmp"
ucf --debconf-ok "$apache_tmp" /etc/nagvis/apache2.conf
ucfr nagvis /etc/nagvis/apache2.conf
rm -f "$apache_tmp"
;;
"other")
# nothing to be done for others
;;
esac
# enable apache when file exists and we are on autoconfigure
if [ -f /etc/nagvis/apache2.conf ] && ( [ "$MONITORING" = "nagios" ] || [ "$MONITORING" = "icinga" ] || [ "$MONITORING" = "shinken" ] ); then
echo "enabling Apache2 config..."
COMMON_STATE=$(dpkg-query -f '${Status}' -W 'apache2.2-common' 2>/dev/null | awk '{print $3}' || true)
# NEW method for Apache >= 2.4
if [ -e /usr/share/apache2/apache2-maintscript-helper ]; then
. /usr/share/apache2/apache2-maintscript-helper
apache2_invoke enmod rewrite
apache2_invoke enconf nagvis
# remove OLD Apache 2.2 link
[ -L /etc/apache2/conf.d/nagvis.conf ] && rm /etc/apache2/conf.d/nagvis.conf
# OLD methods for Apache < 2.4
elif [ "$COMMON_STATE" = "installed" ] || [ "$COMMON_STATE" = "unpacked" ] ; then
# enable mod rewrite
[ -f /etc/apache2/mods-enabled/rewrite.load ] || a2enmod rewrite
# create symlink if not existing
[ -f /etc/apache2/conf.d/nagvis.conf ] || ln -vs ../../nagvis/apache2.conf /etc/apache2/conf.d/nagvis.conf
# reload webserver
[ -x $(which invoke-rc.d) ] && invoke-rc.d apache2 reload
fi
fi
update_permissions
migrate_userfiles
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
exit 0
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