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" "$file"
  32         fi
  33 }
  34
  35 configure_apache2() {
  36         a2reload="false"
  37
  38         if [ -d /etc/apache2/conf.d/ ]; then
  39                 if [ ! -e /etc/apache2/conf.d/pnp4nagios.conf ]; then
  40                         ln -s /etc/pnp4nagios/apache.conf /etc/apache2/conf.d/pnp4nagios.conf
  41                         a2reload="true"
  42                 fi
  43         fi
  44
  45         if [ -d /etc/apache2/mods-enabled ]; then
  46                 if [ ! -e /etc/apache2/mods-enabled/rewrite.load ]; then
  47                         if [ -x /usr/sbin/a2enmod ]; then
  48                                 a2enmod rewrite
  49                                 a2reload="true"
  50                         fi
  51                 fi
  52         fi
  53
  54         if [ "$a2reload" = "true" ]; then
  55                 if [ -x /etc/init.d/apache2 ]; then
  56                         invoke-rc.d apache2 reload
  57                 fi
  58         fi
  59 }
  60
  61 case "$1" in
  62         configure)
  63                 if ! getent passwd nagios > /dev/null ; then
  64                         echo 'Adding system-user for nagios' 1>&2
  65                         adduser --system --group --home /var/lib/nagios \
  66                                 --disabled-login --force-badname nagios > /dev/null
  67                 fi
  68                 setperm nagios www-data 750 /var/lib/pnp4nagios
  69                 setperm nagios nagios   755 /var/lib/pnp4nagios/perfdata
  70                 setperm nagios www-data 750 /var/log/pnp4nagios
  71
  72                 db_get pnp4nagios-web/httpd
  73                 http_servers=`echo $RET | sed -e 's/,/ /g'`
  74
  75                 for httpd in $http_servers; do
  76                         case "$httpd" in
  77                                 apache2)
  78                                         configure_apache2
  79                                         ;;
  80                                 # WISHLIST: configure other web servers as well
  81                                 *)
  82                                         echo "Don't know how to configure web server $httpd" >&2
  83                                         ;;
  84                         esac
  85                 done
  86         ;;
  87
  88         abort-upgrade|abort-remove|abort-deconfigure)
  89         ;;
  90
  91         *)
  92                 echo "postinst called with unknown argument \`$1'" >&2
  93                 exit 1
  94         ;;
  95 esac
  96
  97 # dh_installdeb will replace this with shell code automatically
  98 # generated by other debhelper scripts.
  99
 100 #DEBHELPER#
 101
 102 exit 0
 103