Munin contributed plugins

#!/bin/sh

#

# Copyright (c) 2009 Sven-Hendrik Haase

# Copyright (C) 2004 Jimmy Olsen

#

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; version 2 dated June,

# 1991.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

#

#

# Plugin to monitor packet loss

#

# Please note that sometimes it can take quite long for the plugin to return

# a value on a network with lots of packet loss.

# You therefore need to account for it by appending the following to your

# plugin-conf.d/munin-node. Remember to restart munin-node afterwards.

# Append the next 3 lines to plugin-conf.d/munin-node:

# [packetloss_*]

# timeout 60

# user root

#

# Parameters:

#

# 	ping_args      - Arguments to ping (default "-c 2")

# 	ping_args2     - Arguments after the host name (required for Solaris)

# 	ping           - Ping program to use

# 	host           - Host to ping

#

# Arguments for Solaris:

#      ping_args      -s

#      ping_args2     56 2

#

#%# family=manual

file_host=`basename $0 | sed 's/^packetloss_//g'`

host=${host:-${file_host:-www.google.com}}

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

	echo "graph_title Packet loss to $host (in %)"

	echo 'graph_args --upper-limit 100 -l 0'

	echo 'graph_vlabel %'

	echo 'graph_category network'

	echo 'graph_info This graph shows packet loss statistics.'

	echo "packetloss.label $host"

	echo "packetloss.info Packet loss statistics for $host."

	echo 'packetloss.draw LINE2'

	exit 0

fi

${ping:-ping} ${ping_args:-'-c 10'} ${host} ${ping_args2} | perl -n -e 'print "packetloss.value $1\n" if /(\d+)% packet loss/;'