96 lines
2.0 KiB
Bash
Executable File
96 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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set -e
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: << =cut
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=head1 NAME
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etherpadlite_ - Monitor number of pads with etherpad-lite plugin called ep_pads_stats
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=head1 APPLICABLE SYSTEMS
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Etherpad-Lite instances
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=head1 CONFIGURATION
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Requires installed ep_pads_stats
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(https://www.npmjs.com/package/ep_pads_stats) plugin and an installed
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jq, a command-line json processor.
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This is a wildcard plugin. To monitor a etherpad-lite instance, link
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etherpadlite_<instancename> to this file.
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[etherpadlite_instancename]
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env.url http://127.0.0.1:9001/stats.json
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=head1 AUTHOR
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Copyright (C) 2020 Sebastian L. (https://momou.ch)
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=head1 LICENSE
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GPLv2
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=head1 MAGIC MARKERS
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#%# family=manual
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#%# capabilities=autoconf
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=cut
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. "$MUNIN_LIBDIR/plugins/plugin.sh"
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STATS_URL=${url:-"http://127.0.0.1:9001/stats.json"}
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INSTANCENAME="${0##*etherpadlite_}"
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CLEANINSTANCE="$(clean_fieldname "$INSTANCENAME")"
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print_json_data() {
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local FIRST="$1"
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[ -z "$FIRST" ] && exit 0
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shift 1
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for KEY in "$@"; do
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VALUE=$(echo "$FIRST" | jq -cr ".$KEY")
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echo "${KEY}.value $VALUE"
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done
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}
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case $1 in
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autoconf)
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if [ -x /usr/bin/curl ]; then
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if [ -x /usr/bin/jq ]; then
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curl -s -f -m 2 -I "$STATS_URL" | grep -iq "Content-Type: application/json" && echo "yes" && exit 0 || echo "no (invalid or empty response from ep_pad_stats plugin ($STATS_URL))" && exit 0
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else
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echo "no (jq not found)" && exit 0
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fi
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else
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echo "no (/usr/bin/curl not found)" && exit 0
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fi
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;;
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config)
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cat << EOM
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multigraph etherpadlite_$CLEANINSTANCE
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graph_title Etherlite-Pads on $CLEANINSTANCE instance
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graph_args --base 1000 -l 0
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graph_printf %.0lf
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graph_vlabel available pads
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graph_info number of available pads
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padsCount.label active pads
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padsCount.info number of active pads
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padsCount.min 0
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blankPads.label blank pads
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blankPads.info number of blank pads
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blankPads.min 0
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EOM
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exit 0
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;;
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esac
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JSONSTATS=$(curl -s -f -m 2 "$STATS_URL")
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echo "multigraph etherpadlite_$CLEANINSTANCE"
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print_json_data "$JSONSTATS" padsCount blankPads
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