76 lines
2.2 KiB
Plaintext
76 lines
2.2 KiB
Plaintext
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#!/bin/bash
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#
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# HDHomeRun Signal grapher
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# David Muench - davemuench at gmail
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#
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# Version 1 - 1/19/11 - Initial release
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#
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# Munin plugin to graph the signal strength/quality for a HDHomeRun TV tuner.
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# Developed and tested against a HDHR US Dual model.
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#
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# Requires the hdhomerun_config binary. It can be obtained from
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# http://www.silicondust.com/support/hdhomerun/downloads/linux/
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# Or if you are running Debian/Ubuntu:
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# apt-get install hdhomerun-config
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#
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# Place the hdhomerun_ script in your munin plugins directory (usually
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# /usr/share/munin/plugins) and create symlinks of the format
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# "hdhomerun_<deviceid>_tuner<number>", such as hdhomerun_123456_tuner0.
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# The deviceid can be obtained by running "hdhomerun_config discover".
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# Alternatively, the script supports the suggest option which will
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# scan for all HDHomeRun devices on the network and set up the symlinks.
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# To do this, run:
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#
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# munin-node-configure --shell | grep hdhomerun | bash
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#
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# Note: It will assume you have a dual tuner model and set up links
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# for tuner0 and tuner1. If you have a single tuner model, just delete
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# the tuner1 link.
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#
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#%# family=auto
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#%# capabilities=autoconf suggest
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CONFIGPROG="/usr/bin/hdhomerun_config"
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DEVID="`echo $0 | cut -d _ -f 2`"
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TUNER="`echo $0 | cut -d _ -f 3`"
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if [ "$1" = "autoconf" ] ; then
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if [ -x "$CONFIGPROG" ] ; then
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echo "yes"
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else
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echo "no ($CONFIGPROG Does not exist or isn't executable!)."
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fi
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exit
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fi
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if [ "$1" = "config" ] ; then
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echo "graph_title HDHomeRun $DEVID $TUNER Signal Strength"
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echo "graph_args --upper-limit 100 -l 0"
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echo "graph_vlabel %"
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echo "graph_scale no"
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echo "graph_category tv"
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echo "ss.label Signal Strength"
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echo "snq.label Signal Quality"
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echo "seq.label Symbol Quality"
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exit
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fi
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if [ "$1" = "suggest" ] ; then
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for i in "`$CONFIGPROG discover`"; do
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echo "`echo $i | awk '{print $3}'`_tuner0"
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echo "`echo $i | awk '{print $3}'`_tuner1"
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done
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exit
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fi
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OUTPUT="`$CONFIGPROG $DEVID get /$TUNER/status`"
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# Signal Strength
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echo "ss.value `echo $OUTPUT | sed -e 's/^.*ss=//' -e 's/d* .*$//'`"
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# Signal Quality
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echo "snq.value `echo $OUTPUT | sed -e 's/^.*snq=//' -e 's/d* .*$//'`"
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# Symbol Quality
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echo "seq.value `echo $OUTPUT | sed -e 's/^.*seq=//' -e 's/d* .*$//'`"
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