#!/bin/sh

set -e

. /usr/share/debconf/confmodule

case "$1" in
  configure)
        PREV_VER=$2
        ;;
  abort-upgrade|abort-remove|abort-deconfigure)
        exit 0
        ;;
esac

# Read the package default, need to match the code in sitesummary-client
[ -f /usr/share/sitesummary/sitesummary-client.conf ] && \
  . /usr/share/sitesummary/sitesummary-client.conf
for confdir in \
    /usr/share/sitesummary/config.d \
    /etc/sitesummary/config.d
do
    [ -d $confdir ] || continue
    for config in $confdir/* ; do
	[ -f $config ] && . $config
    done
done

db_get sitesummary-client/collector_url
URL="$RET"

# Only update the URLs if it is different from the current value
if [ "$URL" != "$serverurls" ] ; then
    if [ -f /etc/sitesummary/config.d/00debconf ] ; then
	if grep -q '^serverurls=' /etc/sitesummary/config.d/00debconf ; then
	    sed "s%^serverurls=.*\$%serverurls=\"$URL\"%" < /etc/sitesummary/config.d/00debconf > /etc/sitesummary/config.d/00debconf.new && mv /etc/sitesummary/config.d/00debconf.new /etc/sitesummary/config.d/00debconf
	else
	    echo "serverurls=\"$URL\"/" >> /etc/sitesummary/config.d/00debconf
	fi
    else
	mkdir -p /etc/sitesummary/config.d
	echo "serverurls=\"$URL\"" > /etc/sitesummary/config.d/00debconf
    fi
fi

db_get sitesummary-client/site
SITE="$RET"
# Only replace the site file if the content changed
if [ -f /etc/sitesummary/site ] ; then
    OLDSITE="`cat /etc/sitesummary/site`"
    if [ "$SITE" != "$OLDSITE" ] ; then
	echo "$SITE" > /etc/sitesummary/site
    fi
else
    echo "$SITE" > /etc/sitesummary/site
fi

db_get sitesummary-client/sitegroup
SITEGROUP="$RET"
# Only replace the sitegroup file if the content changed
if [ -f /etc/sitesummary/sitegroup ] ; then
    OLDSITEGROUP="`cat /etc/sitesummary/sitegroup`"
    if [ "$SITEGROUP" != "$OLDSITEGROUP" ] ; then
	echo "$SITEGROUP" > /etc/sitesummary/sitegroup
    fi
else
    echo "$SITEGROUP" > /etc/sitesummary/sitegroup
fi

db_get sitesummary-client/hostclass
HOSTCLASS="$RET"
# Only replace the hostclass file if the content changed
if [ -f /etc/sitesummary/hostclass ] ; then
    OLDHOSTCLASS="`cat /etc/sitesummary/hostclass`"
    if [ "$HOSTCLASS" != "$OLDHOSTCLASS" ] ; then
	echo "$HOSTCLASS" > /etc/sitesummary/hostclass
    fi
else
    echo "$HOSTCLASS" > /etc/sitesummary/hostclass
fi

config=/etc/nagios/nrpe.d/sitesummary-nrpe.cfg
if [ ! -f $config ] ; then
    db_get sitesummary-client/enable-nagios-nrpe-config
    if [ true = "$RET" ] ; then
	mkdir -p $(dirname $config)
	cat > $config <<EOF
dont_blame_nrpe=1
include=/etc/nagios/sitesummary-nrpe-commands.cfg
EOF
	db_get sitesummary-client/nagios-server
	if [ "$RET" ] ; then
	    echo "allowed_hosts=$RET" >> $config
	fi
    fi
fi

db_stop

# Make sure changes to the NRPE configuration take effect right away
if [ -x /etc/init.d/nagios-nrpe-server  ] ; then
    invoke-rc.d nagios-nrpe-server restart
fi

#DEBHELPER#