94 lines
2.8 KiB
Plaintext
94 lines
2.8 KiB
Plaintext
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#!/bin/bash
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# This script is intended for use with Munin to monitor
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# UPS Load, Battery Charge, Input and Output Voltages
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# querying data from NUT (www.networkupstools.org), tested under Ubuntu Linux
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# v. 1.1, 12/16/2007
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# (c) Alex Yanchenko (yanchenko{at}gmail.com), 2007
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# Distributed under GPL v.3 (http://www.gnu.org/licenses/gpl-3.0.txt)
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#
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# The plugin can utilize automatic configuration,
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# here are the basic steps (require root privileges):
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# 1. Copy it as /usr/share/munin/plugins/nut_
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# 2. Make executable: "chmod 755 /usr/share/munin/plugins/nut_"
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# 3. Run "munin-node-configure --shell", you should see smth like
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# "ln -s /usr/share/munin/plugins/nut_ /etc/munin/plugins/nut_apc_AT_localhost"
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# with "apc@localhost" been UPS configured in upsmon.conf (see NUT docs).
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# Note that "@" is replaced with "_AT_".
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# Multiple UPS monitoring is supported as well.
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# 4. Run the proposed command to create a link.
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# 5. To verify, run "munin-node-configure", you should notice the "nut_" record
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#
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# Plugin | Used | Suggestions
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# ------ | ---- | -----------
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# nut_ | yes | apc_AT_localhost
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#
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# 6. Restart munin: "/etc/init.d/munin-node restart"
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# 7. Hold on for 5 minutes at most and watch the graph appear.
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# 8. Customize voltage warning that are commented out for now.
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#
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#%# family=contrib
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#%# capabilities=autoconf suggest
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function FETCH_DATA() {
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# UPS address, fetched from file name
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UPS=$(basename $0 | sed 's|^nut_||g' | sed 's|_AT_|@|g')
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# Save data into variables
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model=$(upsc $UPS | grep ups.model: | cut -d" " -f2)
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in=$(upsc $UPS | grep input.voltage: | cut -d" " -f2)
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out=$(upsc $UPS | grep output.voltage: | cut -d" " -f2)
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load=$(upsc $UPS | grep ups.load: | cut -d" " -f2)
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charge=$(upsc $UPS | grep battery.charge: | cut -d" " -f2)
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}
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# Munin routines
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case "$1" in
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autoconf)
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grep ^MONITOR < /etc/nut/upsmon.conf &> /dev/null
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if [[ "$?" = "0" ]]; then
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echo yes
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exit 0
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else
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echo "no (NUT not installed or no UPS info available in /etc/nut/upsmon.conf)"
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exit 1
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fi
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;;
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config)
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FETCH_DATA
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cat << EOM
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graph_title UPS: $model - $UPS
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graph_category sensors
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graph_info The graph shows UPS info monitored by NUT.
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graph_args --base 1000 --lower-limit 0
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in.label Input Voltage (v)
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in.warning 190:260
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out.label Output Voltage (v)
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out.critical 208:253
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charge.label Battery Charge (%)
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charge.draw AREA
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charge.colour 00aaaa
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charge.warning 30:
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load.label UPS Load (%)
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load.colour ff0000
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load.warning :80
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EOM
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exit 0
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;;
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suggest)
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grep ^MONITOR < /etc/nut/upsmon.conf | cut -d" " -f2 | sed 's|@|_AT_|g'
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exit 0
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;;
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*)
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FETCH_DATA
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# Print data for Munin
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cat << EOM
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in.value $in
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out.value $out
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charge.value $charge
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load.value $load
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EOM
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exit 0
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;;
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esac
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