Munin contributed plugins

#!/bin/bash

# -*- bash -*-

: << =cut

=head1 NAME

traffic - Plugin to monitor the traffic (throughput) by IP protocols.

=head1 CONFIGURATION

No special configuration is needed.

If trouble reading files, use:

 [traffic]

 user root

=head1 AUTHORS

=over

=item 2012.09.20: Initial version by Arturo Borrero Gonzalez <aborrero@cica.es>

=item 2013.01.12: Added percentage graphing by Michiel Holtkamp <michiel@supermind.nl>

=back

=head1 LICENSE

GPLv2

=head1 MAGIC MARKERS

 #%# family=auto

 #%# capabilities=autoconf

=cut

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

then

        cat <<'EOF'

multigraph traffic

graph_title Throughput by IP protocol

graph_vlabel bits per ${graph_period}

graph_category network

graph_args --base 1000 --upper-limit 100 -l 0

IPv4.label IPv4 bps

IPv4.min 0

IPv4.type DERIVE

IPv4.draw AREA

IPv6.label IPv6 bps

IPv6.min 0

IPv6.type DERIVE

IPv6.draw STACK

total.label Total bps

total.min 0

total.type DERIVE

total.draw LINE1

EOF

		# Adapted from http://munin-monitoring.org/wiki/PercentGraphHowto

		cat <<'EOF'

multigraph traffic_percent

graph_scale no

graph_title Throughput of IP protocols by percentage

graph_vlabel Percentage

graph_order IPv4=traffic.IPv4 IPv6=traffic.IPv6 total=traffic.total IPv4_percent=traffic.total IPv6_percent=traffic.total total_percent=traffic.total

graph_category network

graph_args --upper-limit 100 -l 0 -r

IPv4.label no

IPv6.label no

total.label no

total_percent.label no

IPv4.graph no

IPv6.graph no

total.graph no

total_percent.graph no

total_percent.cdef total,0.0000001,+

IPv4_percent.label IPv4

IPv4_percent.cdef IPv4,total_percent,/,100,*

IPv4_percent.draw AREASTACK

IPv6_percent.label IPv6

IPv6_percent.cdef IPv6,total_percent,/,100,*

IPv6_percent.draw AREASTACK

EOF

        exit 0

fi

if [ -r /proc/net/dev ]

then

	ipv4=$( echo "`egrep -v bond\|lo /proc/net/dev | awk -F' ' '{print $2+$10}' | paste -sd+ | bc` * 8" | bc )

	echo "IPv4.value $ipv4"

else

	echo "IPv4.value 0"

	echo "W: Unable to read /proc/net/dev" >&2

fi

if [ -r /proc/net/snmp6 ]

then

	ipv6=$( echo "`egrep Ip6InOctets\|Ip6OutOctets /proc/net/snmp6 | awk -F' ' '{print $2}' | paste -sd+ | bc` * 8"  | bc )

	echo "IPv6.value $ipv6"

else

	echo "IPv6.value 0"

	echo "W: Unable to read /proc/net/snmp6" >&2

fi

echo "total.value $( echo $ipv4 + $ipv6 | bc )"

exit 0