#!/bin/bash
#
# Script to monitor PowerDNS performance
#
# Parameters understood:
#
#       config   (required)
#       autoconf (optional - used by munin-config)
#%# family=auto
#%# capabilities=autoconf

pdns_control="/usr/bin/pdns_control"
command="$pdns_control list"

if [ "$1" = "autoconf" ]; then
        if [ -e "$pdns_control" ]; then
                echo yes
                exit 0
        else
                echo "no (missing $pdns_control)"
                exit 0
        fi
fi

if [ "$1" = "config" ]; then
        echo 'graph_title Power DNS errors'
        echo 'graph_args -l 0 --base 1000'
        echo 'graph_vlabel numbers of'
        echo 'graph_category dns'
        echo 'graph_info This graph shows Power DNS performance on the machine.'
        echo 'corrupt_packets.label corrupt packets'
        echo 'corrupt_packets.type DERIVE'
        echo 'corrupt_packets.min 0'
        echo 'corrupt_packets.info Number of corrupt packets received'
        echo 'servfail_packets.label servfail packets'
        echo 'servfail_packets.type DERIVE'
        echo 'servfail_packets.min 0'
        echo 'servfail_packets.info Number of times a server-failed packet was sent out'
        echo 'timedout_packets.label timedout packets'
        echo 'timedout_packets.type DERIVE'
        echo 'timedout_packets.min 0'
        echo 'timedout_packets.info Number of packets which weren not answered within timeout set'
        exit 0
fi


$command | sed 's/=\([0-9]\+\),/.value \1\n/g' | egrep "corrupt|servfail|timedout" | sed 's/-/_/g'