munin-speedtest.sh

#!/bin/sh
## Munin plugin: speedtest

## http://digitalpardoe.co.uk/2013/04/29/monitoring-internet-connection-speed-with-munin
## https://github.com/sivel/speedtest-cli

## Add to /etc/crontab:
# 3,33 * * * * root /usr/local/bin/speedtest-cli --simple > /tmp/speedtest.out


OUTPUT=/tmp/speedtest.out

case $1 in
   config)
        cat <<'EOM'
graph_category network
graph_title Speedtest
graph_args --base 1000 -l 0
graph_vlabel Speed in Mbits/s / Time in ms
graph_scale no
down.label Download Speed
down.type GAUGE
down.draw LINE1
up.label Upload Speed
up.type GAUGE
up.draw LINE1
ping.label Ping Time
ping.type GAUGE
ping.draw LINE1
graph_info Graph of Internet Connection Speed and Ping Time
EOM
        exit 0;;
esac

## Plugin Output
 
echo -n "down.value "
grep Download ${OUTPUT} | sed 's/[a-zA-Z:]* \([0-9]*\.[0-9]*\) [a-zA-Z/]*/\1/'
echo -n "up.value "
grep Upload ${OUTPUT} | sed 's/[a-zA-Z:]* \([0-9]*\.[0-9]*\) [a-zA-Z/]*/\1/'
echo -n "ping.value "
grep Ping ${OUTPUT} | sed 's/[a-zA-Z:]* \([0-9]*\.[0-9]*\) [a-zA-Z/]*/\1/'