debian/pnp4nagios-web.postinst

   1 #!/bin/sh
   2 # postinst script for pnp4nagios-web
   3 #
   4 # see: dh_installdeb(1)
   5
   6 set -e
   7
   8 # summary of how this script can be called:
   9 #        * <postinst> `configure' <most-recently-configured-version>
  10 #        * <old-postinst> `abort-upgrade' <new version>
  11 #        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
  12 #          <new-version>
  13 #        * <postinst> `abort-remove'
  14 #        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
  15 #          <failed-install-package> <version> `removing'
  16 #          <conflicting-package> <version>
  17 # for details, see http://www.debian.org/doc/debian-policy/ or
  18 # the debian-policy package
  19
  20 . /usr/share/debconf/confmodule
  21
  22 setperm() {
  23         user="$1"
  24         group="$2"
  25         mode="$3"
  26         file="$4"
  27         shift 4
  28         # only do something when no setting exists
  29         if ! dpkg-statoverride --list "$file" >/dev/null 2>&1; then
  30                 chown "$user":"$group" "$file"
  31                 chmod "$mode" "$file"
  32         fi
  33 }
  34
  35 configure_apache2() {
  36         a2reload="false"
  37
  38         if [ -d /etc/apache2/conf.d/ ]; then
  39                 if [ ! -e /etc/apache2/conf.d/pnp4nagios.conf ]; then
  40                         ln -s /etc/pnp4nagios/apache.conf /etc/apache2/conf.d/pnp4nagios.conf
  41                         a2reload="true"
  42                 fi
  43         fi
  44
  45         if [ -d /etc/apache2/mods-enabled ]; then
  46                 if [ ! -e /etc/apache2/mods-enabled/rewrite.load ]; then
  47                         a2enmod rewrite
  48                         a2reload="true"
  49                 fi
  50         fi
  51
  52         if [ "$a2reload" = "true" ]; then
  53                 invoke-rc.d apache2 reload
  54         fi
  55 }
  56
  57 case "$1" in
  58         configure)
  59                 if ! getent passwd nagios > /dev/null ; then
  60                         echo 'Adding system-user for nagios' 1>&2
  61                         adduser --system --group --home /var/lib/nagios \
  62                                 --disabled-login --force-badname nagios > /dev/null
  63                 fi
  64                 setperm nagios www-data 750 /var/lib/pnp4nagios
  65                 setperm nagios nagios   755 /var/lib/pnp4nagios/perfdata
  66                 setperm nagios www-data 750 /var/log/pnp4nagios
  67
  68                 db_get pnp4nagios-web/httpd
  69                 http_servers=`echo $RET | sed -e 's/,/ /g'`
  70
  71                 for httpd in $http_servers; do
  72                         case "$httpd" in
  73                                 apache2)
  74                                         configure_apache2
  75                                         ;;
  76                                 # WISHLIST: configure other web servers as well
  77                                 *)
  78                                         echo "Don't know how to configure web server $httpd" >&2
  79                                         ;;
  80                         esac
  81                 done
  82         ;;
  83
  84         abort-upgrade|abort-remove|abort-deconfigure)
  85         ;;
  86
  87         *)
  88                 echo "postinst called with unknown argument \`$1'" >&2
  89                 exit 1
  90         ;;
  91 esac
  92
  93 # dh_installdeb will replace this with shell code automatically
  94 # generated by other debhelper scripts.
  95
  96 #DEBHELPER#
  97
  98 exit 0
  99