Munin contributed plugins

#!/bin/sh

#

# Copyright (C) 2008 Olivier DELHOMME. All rights reserved.

# License GPL V2 or higher

#

# Abstract

# munin plugin that logs the cache mean services times

# Requires netcat (here nc)

#

# Authors

#  . Olivier Delhomme <olivierdelhomme at gmail dot com>

#

#%# family=auto

#%# capabilities=autoconf

host=${squidhost:-localhost}

port=${squidport:-3128}

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

	SQUID_STATS=`printf "GET cache_object://$host/info HTTP/1.0\n\n" | netcat $host $port`

	if [ -n "${SQUID_STATS}" ]; then

		echo yes

		exit 0

	else

		echo "no (HTTP GET failed)"

		exit 1

	fi

fi

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

	echo 'graph_title Squid Median Services Times'

	echo 'graph_info This graph shows the proxy median services response times.'

	echo 'graph_category loadbalancer'

	echo 'graph_args --lower-limit 0'

	echo 'graph_vlabel median response times (s)'

	echo 'mean_http.label Http'

	echo 'mean_cmis.label Cache misses'

	echo 'mean_chits.label Cache hits'

	echo 'mean_nhits.label Near hits'

	echo 'mean_nmr.label Not-modified replies'

	echo 'mean_dnsl.label Dns lookups'

	echo 'mean_icpq.label Icp queries'

	exit 0

fi

SQUID_TIME=$(printf "GET cache_object://$host/info HTTP/1.0\n\n" | nc $host $port)

SQUID_TIME_HTTP=$(echo "$SQUID_TIME" | grep "HTTP Requests (All)" | cut -d':' -f2 | sed -e "s/^\ *//" | cut -d' ' -f1)

SQUID_TIME_CACHE_MISSES=$(echo "$SQUID_TIME" | grep "Cache Misses" | cut -d':' -f2 | sed -e "s/^\ *//" | cut -d' ' -f1)

SQUID_TIME_CACHE_HITS=$(echo "$SQUID_TIME" | grep "Cache Hits" | cut -d':' -f2 | sed -e "s/^\ *//" | cut -d' ' -f1)

SQUID_TIME_NEAR_HITS=$(echo "$SQUID_TIME" | grep "Near Hits" | cut -d':' -f2 | sed -e "s/^\ *//" | cut -d' ' -f1)

SQUID_TIME_NM_REPLIES=$(echo "$SQUID_TIME" | grep "Not-Modified Replies" | cut -d':' -f2 | sed -e "s/^\ *//" | cut -d' ' -f1)

SQUID_TIME_DNS_LOOKUPS=$(echo "$SQUID_TIME" | grep "DNS Lookups" | cut -d':' -f2 | sed -e "s/^\ *//" | cut -d' ' -f1)

SQUID_TIME_ICP_QUERIES=$(echo "$SQUID_TIME" | grep "ICP Queries" | cut -d':' -f2 | sed -e "s/^\ *//" | cut -d' ' -f1)

echo "mean_http.value $SQUID_TIME_HTTP"

echo "mean_cmis.value $SQUID_TIME_CACHE_MISSES"

echo "mean_chits.value $SQUID_TIME_CACHE_HITS"

echo "mean_nhits.value $SQUID_TIME_NEAR_HITS"

echo "mean_nmr.value $SQUID_TIME_NM_REPLIES"

echo "mean_dnsl.value $SQUID_TIME_DNS_LOOKUPS"

echo "mean_icpq.value $SQUID_TIME_ICP_QUERIES"