119 lines
3.3 KiB
Plaintext
119 lines
3.3 KiB
Plaintext
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#!/bin/bash
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#%# family=manual
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#%# capabilities=autoconf
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# this munin plugin monitors the icecast server specified in RADIO. for each stream,
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# the stream name, number of current listeners, and peak number of listeners are
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# passed to munin.
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# dependencies on external program: (either program or program combination will work):
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# dog + html2text
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# curl + html2text
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# wget + html2text
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# links
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# lynx
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# yyyy/mm/dd v author changelog:
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# 2008/01/15 v0.02 Lothar Schmidt added alternetive retrievers, stream name substitution
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# 2008/01/15 v0.01 Lothar Schmidt initial version, email: l.make.a.noise.here@scarydevilmonastery.net
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# ----------------------------------------------------------------------------------
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#
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# CONFIGURATION DEPARTMENT
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#
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# ----------------------------------------------------------------------------------
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#RADIO="http://localhost:8000" # query this server on this port
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RADIO="http://scarydevilmonastery.net:8000"
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STYLE=LINE2 # graph style for number of listeners
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PEAKSTYLE=LINE # graph style for peak listeners
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GRAPH="listeners" # graph name, labels
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SECTION="Trial" # graph section
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# stream name substitution. stream name left of = will use description right of = for labels
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stream1="No Noise No Fun"
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stream2="Radio Sueno"
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stream3="Don't Panic"
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stream4="Project Bluebird"
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# fetch and render status info, choose one. top to bottom order of my personal preference.
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# chose exactly one.
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retriever() {
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dog $RADIO | html2text -nobs # using dog and html2text
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# curl $RADIO 2>/dev/null|html2text -nobs # using curl and html2text
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# wget -qFO - $RADIO | html2text -nobs # using wget and html2text
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# links -dump $RADIO # using links
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# lynx -dump $RADIO # using lynx
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}
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# -------------------------------------------------------------------------------------
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# --- retrieve stream name, listeners and peak listeners from server ---
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STREAMS=( $( retriever | sed -n 's/^ *\(Stream URL\|Current Listeners\|Peak Listeners\): *//p' ) )
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LASTSTREAM=${#STREAMS[*]}
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# --- check whether any stream found ---
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run_autoconf() {
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if (( $LASTSTREAM )) ; then echo yes ; exit 0 ; fi # found streams
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echo U ; exit 1 ; } # no radio or streams
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#--- guess ---
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run_config() {
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cat << EOF
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graph_title ${GRAPH}
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graph_category ${SECTION}
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graph_args --base 1000 -l 0
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graph_vlabel ${GRAPH}
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EOF
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for (( I=2 ; I<LASTSTREAM ; I+=3 )) ; do
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STREAM="${STREAMS[I]##*/}" # stream name
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STREAMNAME="${!STREAM:-$STREAM}" # substitute against our own desciption, if available
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cat << EOF
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${STREAM}.label $STREAMNAME
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${STREAM}.draw $STYLE
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${STREAM}.info $STREAMNAME
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${STREAM}peak.label $STREAMNAME peak
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${STREAM}peak.draw $PEAKSTYLE
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${STREAM}peak.info $STREAMNAME peak
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EOF
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done
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}
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# --- current listeners and peak listeners for each stream ---
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run_() {
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for (( I=0 ; I<LASTSTREAM ; I+=3 )) ; do
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STREAM="${STREAMS[I+2]##*/}"
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echo ${STREAM}.value ${STREAMS[I]}
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echo ${STREAM}peak.value ${STREAMS[I+1]}
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done
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}
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# plugin entry point:
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run_$1
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