#!/bin/sh
#
# Plugin to monitor queue length of tiles submited for rendering in renderd
#
# Parameters: 
#
# 	config   (required)
# 	autoconf (optional - used by munin-config)
#

if [ "$1" = "config" ]; then

	echo 'graph_title Renderd queue length'
	echo 'graph_args --base 1000 -l 0'
	echo 'graph_vlabel metatiles'
	echo 'graph_category renderd'
	echo 'req.label Request Queue'
	echo 'req.type GAUGE'
	echo 'req.max 100'
	echo 'reqPrio.label Priority request Queue'
	echo 'reqPrio.type GAUGE'
	echo 'reqPrio.max 100'
	echo 'dirty.label Dirty Queue'
	echo 'dirty.type GAUGE'
	echo 'dirty.max 1000'
	echo 'reqBulk.label Bulk request Queue'
	echo 'reqBulk.type GAUGE'
	echo 'reqBulk.max 100'
	exit 0
fi

reqlength=`sed -e '/^ReqQueueLength/!d' -e 's/.*: //' -e q /var/run/renderd/renderd.stats`
reqpriolength=`sed -e '/^ReqPrioQueueLength/!d' -e 's/.*: //' -e q /var/run/renderd/renderd.stats`
reqbulklength=`sed -e '/^ReqBulkQueueLength/!d' -e 's/.*: //' -e q /var/run/renderd/renderd.stats`
dirtlength=`sed -e '/^DirtQueueLength/!d' -e 's/.*: //' -e q /var/run/renderd/renderd.stats`

echo "req.value " $reqlength
echo "reqPrio.value " $reqpriolength
echo "dirty.value " $dirtlength
echo "reqBulk.value " $reqbulklength