mirror of
https://github.com/munin-monitoring/contrib.git
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163 lines
4.8 KiB
Bash
Executable File
163 lines
4.8 KiB
Bash
Executable File
#!/bin/bash
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# -*- sh -*-
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: << =cut
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=head1 NAME
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epc3010_ - munin-plugin to monitor Upstream/Downstream Power Levels and Signal to Noise Ratio on Cisco EPC3010 EuroDocsis 3.0 Data Modem
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=head1 CONFIGURATION
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This plugin does not require configuration.
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Create two links called epc3010_downstream and epc3010_upstream in order to use this script.
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=head1 AUTHOR
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Finn Andersen - xiphias256@gmail.com
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=head1 LICENSE
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GPLv2
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=head1 MAGIC MARKERS
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#%# family=contrib
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#%# capabilities=autoconf
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=cut
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#
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###############################################
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#
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# HISTORY
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# v1.0 : Initial release
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# 1.0.1 : More secure handling of tempfiles
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#
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###############################################
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#
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# Decide if you want upstream og downstream info
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DIRECTION=${0##*epc3010_}
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# Check if argument is autoconfig or config
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case "$1" in
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autoconfig)
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# Does your network have a Cisco EPC3010?
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curl -s http://192.168.100.1/Docsis_system.asp | grep -q "Cisco EPC3010"
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if [ $? -eq 0 ]; then
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echo "yes"
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exit 0
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else
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echo "Can't find Cisco EPC3010 modem in your network"
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exit 1
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fi
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;;
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config)
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if [ $DIRECTION == "downstream" ]; then
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printf "graph_title Cisco EPC3010 Downstream measurements\n";
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printf "graph_args -l 0 --base 1000\n"
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printf "graph_category sensors\n"
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printf "graph_vlabel Small number is Power Level, large number is SNR\n"
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printf "graph_info Downstream Signal to Noise Ratio (dB) and Power Level (dBmV) from Cisco EPC3010 modem. Info is scraped from statuspage on the modem (http://192.168.100.1)\n"
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printf "channel_1_pwr.label Channel 1 (dBmV)\n"
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printf "channel_1_pwr.type GAUGE\n"
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printf "channel_2_pwr.label Channel 2 (dBmV)\n"
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printf "channel_2_pwr.type GAUGE\n"
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printf "channel_3_pwr.label Channel 3 (dBmV)\n"
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printf "channel_3_pwr.type GAUGE\n"
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printf "channel_4_pwr.label Channel 4 (dBmV)\n"
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printf "channel_4_pwr.type GAUGE\n"
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printf "channel_5_pwr.label Channel 5 (dBmV)\n"
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printf "channel_5_pwr.type GAUGE\n"
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printf "channel_6_pwr.label Channel 6 (dBmV)\n"
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printf "channel_6_pwr.type GAUGE\n"
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printf "channel_7_pwr.label Channel 7 (dBmV)\n"
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printf "channel_7_pwr.type GAUGE\n"
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printf "channel_8_pwr.label Channel 8 (dBmV)\n"
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printf "channel_8_pwr.type GAUGE\n"
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printf "channel_1_snr.label Channel 1 (dB)\n"
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printf "channel_1_snr.type GAUGE\n"
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printf "channel_2_snr.label Channel 2 (dB)\n"
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printf "channel_2_snr.type GAUGE\n"
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printf "channel_3_snr.label Channel 3 (dB)\n"
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printf "channel_3_snr.type GAUGE\n"
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printf "channel_4_snr.label Channel 4 (dB)\n"
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printf "channel_4_snr.type GAUGE\n"
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printf "channel_5_snr.label Channel 5 (dB)\n"
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printf "channel_5_snr.type GAUGE\n"
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printf "channel_6_snr.label Channel 6 (dB)\n"
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printf "channel_6_snr.type GAUGE\n"
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printf "channel_7_snr.label Channel 7 (dB)\n"
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printf "channel_7_snr.type GAUGE\n"
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printf "channel_8_snr.label Channel 8 (dB)\n"
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printf "channel_8_snr.type GAUGE\n"
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exit 0
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fi
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if [ "$DIRECTION" == "upstream" ]; then
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printf "graph_title Cisco EPC3010 Upstream measurements\n"
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printf "graph_args -l 30 --base 1000\n"
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printf "graph_category sensors\n"
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printf "graph_vlabel Power level in dBmV\n"
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printf "graph_info Upstream Power Levels from Cisco EPC3010 modem,scraped from its statuspage (http://192.168.100.1)\n"
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printf "channel_1_pwr.label Channel 1 (dBmV)\n"
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printf "channel_1_pwr.type GAUGE\n"
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printf "channel_2_pwr.label Channel 2 (dBmV)\n"
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printf "channel_2_pwr.type GAUGE\n"
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printf "channel_3_pwr.label Channel 3 (dBmV)\n"
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printf "channel_3_pwr.type GAUGE\n"
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printf "channel_4_pwr.label Channel 4 (dBmV)\n"
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printf "channel_4_pwr.type GAUGE\n"
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exit 0
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fi
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;;
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esac
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FILENAME=$(mktemp -q) || exit 1
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trap 'rm -f "$FILENAME"' EXIT
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# Get statuspage from the modem
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curl -s -o "$FILENAME" http://192.168.100.1/Docsis_system.asp
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# Bash arrays starts on index 0, we 0-pad the first index. It makes it easier later on..
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SNR_ARRAY=( 0 $(awk -F'[<>]' '/ ch_snr/{print $3}' "$FILENAME") )
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PWR_ARRAY=( 0 $(awk -F'[<>]' '/ ch_pwr/{print $3}' "$FILENAME") )
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UP_PWR_ARRAY=( 0 $(awk -F'[<>]' '/ up_pwr/{print $3}' "$FILENAME") )
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#
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# Downstream info - Modem outputs both Power Levels and Signal to Noise Ratio
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#
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if [ "$DIRECTION" == "downstream" ]; then
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total=${#PWR_ARRAY[*]}
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for (( index=1; index<$(( $total )); index++ ))
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do
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printf "channel_%d_pwr.value %s\n" $index ${PWR_ARRAY[$index]}
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done
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total=${#SNR_ARRAY[*]}
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for (( index=1; index<$(( $total )); index++ ))
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do
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printf "channel_%d_snr.value %s\n" $index ${SNR_ARRAY[$index]}
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done
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exit 0
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fi
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#
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# Upstream info - Modem outputs Power Levels
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#
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if [ "$DIRECTION" == "upstream" ]; then
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total=${#UP_PWR_ARRAY[*]}
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for (( index=1; index<$(( $total )); index++ ))
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do
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printf "channel_%d_pwr.value %s\n" $index ${UP_PWR_ARRAY[$index]}
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done
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exit 0
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fi
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