#!/bin/sh
#
#  pdns_recursor munin plugin.
#  Written by Sean Reifschneider <jafo@tummy.com> 2009-12-03
#  Placed in the public domain
#
#  Requires running as root:
#
#    echo '[pdns_rec_*]' >/etc/munin/plugin-conf.d/pdns_rec
#    echo 'user root' >>/etc/munin/plugin-conf.d/pdns_rec

rec_control="/usr/bin/rec_control"

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

if [ "$1" = "config" ]; then
	echo 'graph_title PDNS Recursor Answer Times'
	echo 'graph_order a b c d e f'
	echo 'graph_vlabel queries'
	echo 'graph_info Time required per answer.'
	echo 'graph_category dns'

	echo 'a.label in 1ms'
	echo 'a.min 0'
	echo 'a.max 100000'
	echo 'a.type COUNTER'
	echo 'a.info Answers within 1ms.'

	echo 'b.label in 10ms'
	echo 'b.min 0'
	echo 'b.max 100000'
	echo 'b.type COUNTER'
	echo 'b.info Answers from 1ms to 10ms.'

	echo 'c.label in 100ms'
	echo 'c.min 0'
	echo 'c.max 100000'
	echo 'c.type COUNTER'
	echo 'c.info Answers within 10ms to 100ms.'

	echo 'd.label in 1s'
	echo 'd.min 0'
	echo 'd.max 100000'
	echo 'd.type COUNTER'
	echo 'd.info Answers within 100ms to 1s.'

	echo 'e.label over 1s'
	echo 'e.min 0'
	echo 'e.max 100000'
	echo 'e.type COUNTER'
	echo 'e.info Answers requiring more than 1s.'

	echo 'f.label timeouts'
	echo 'f.min 0'
	echo 'f.max 100000'
	echo 'f.type COUNTER'
	echo 'f.info Answers that never came.'

	exit 0
fi

echo a.value "$($rec_control get answers0-1)"
echo b.value "$($rec_control get answers1-10)"
echo c.value "$($rec_control get answers10-100)"
echo d.value "$($rec_control get answers100-1000)"
echo e.value "$($rec_control get answers-slow)"
echo f.value "$($rec_control get outgoing-timeouts)"

exit 0