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ups_report.sh
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#!/usr/bin/env bash
# See https://sharats.me/posts/shell-script-best-practices/
# set -o errexit # Disable to allow for testing which UPSC variables are available
set -o nounset
set -o pipefail
if [[ "${TRACE-0}" == "1" ]]; then
set -o xtrace
fi
# Send UPS report to designated email address
# Reference: http://networkupstools.org/docs/developer-guide.chunked/apas01.html
### Parameters ###
# Specify your email address here:
email=""
# Set to a value greater than zero to include all available UPSC
# variables in the report:
senddetail=0
freenashost=$(hostname -s)
freenashostuc=$(hostname -s | tr '[:lower:]' '[:upper:]')
boundary="===== MIME boundary; TrueNas Scale server ${freenashost} ====="
logfile="/tmp/ups_report.tmp"
subject="UPS Status Report for ${freenashostuc}"
### Set email headers ###
printf "%s\n" "To: ${email}
Subject: ${subject}
Mime-Version: 1.0
Content-Type: multipart/mixed; boundary=\"$boundary\"
--${boundary}
Content-Type: text/html; charset=\"US-ASCII\"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
<html><head></head><body><pre style=\"font-size:14px; white-space:pre\">" >> ${logfile}
# Get a list of all ups devices installed on the system:
upslist=$(upsc -l "${freenashost}")
### Set email body ###
(
date "+Time: %Y-%m-%d %H:%M:%S"
echo ""
for ups in $upslist; do
ups_type=$(upsc "${ups}" device.type 2> /dev/null | tr '[:lower:]' '[:upper:]')
ups_mfr=$(upsc "${ups}" ups.mfr 2> /dev/null)
ups_model=$(upsc "${ups}" ups.model 2> /dev/null)
ups_serial=$(upsc "${ups}" ups.serial 2> /dev/null)
ups_status=$(upsc "${ups}" ups.status 2> /dev/null)
ups_load=$(upsc "${ups}" ups.load 2> /dev/null)
ups_realpower=$(upsc "${ups}" ups.realpower 2> /dev/null)
ups_realpowernominal=$(upsc "${ups}" ups.power.nominal 2> /dev/null)
ups_batterycharge=$(upsc "${ups}" battery.charge 2> /dev/null)
ups_batteryruntime=$(upsc "${ups}" battery.runtime 2> /dev/null)
ups_batteryvoltage=$(upsc "${ups}" battery.voltage 2> /dev/null)
ups_inputvoltage=$(upsc "${ups}" input.voltage 2> /dev/null)
ups_outputvoltage=$(upsc "${ups}" output.voltage 2> /dev/null)
ups_outputfrequency=$(upsc "${ups}" output.frequency.nominal 2> /dev/null)
ups_outletpower=$(upsc "${ups}" outlet.power 2> /dev/null)
printf "=== %s %s, model %s, serial number %s\n\n" "${ups_mfr}" "${ups_type}" "${ups_model}" "${ups_serial} ==="
echo "Name: ${ups}"
echo "Status: ${ups_status}"
echo "Output Load: ${ups_load}%"
if [ ! -z "${ups_realpower}" ]; then
echo "Real Power: ${ups_realpower}W"
fi
if [ ! -z "${ups_realpowernominal}" ]; then
echo "Real Power: ${ups_realpowernominal}W (nominal)"
fi
if [ ! -z "${ups_inputvoltage}" ]; then
echo "Input Voltage: ${ups_inputvoltage}V"
fi
if [ ! -z "${ups_outputvoltage}" ]; then
echo "Output Voltage: ${ups_outputvoltage}V"
fi
if [ ! -z "${ups_outputfrequency}" ]; then
echo "Nominal output frequency: ${ups_outputfrequency}Hz"
fi
if [ ! -z "${ups_outletpower}" ]; then
echo "Apparent mail outlet power: ${ups_outletpower}VA"
fi
echo "Battery Runtime: ${ups_batteryruntime}s"
echo "Battery Charge: ${ups_batterycharge}%"
if [ ! -z "${ups_batteryvoltage}" ]; then
echo "Battery Voltage: ${ups_batteryvoltage}V"
fi
echo ""
if [ $senddetail -gt 0 ]; then
echo "=== ALL AVAILABLE UPS VARIABLES ==="
upsc "${ups}"
echo ""
fi
done
) >> ${logfile}
printf "%s\n" "</pre></body></html>
--${boundary}--" >> ${logfile}
### Send report ###
if [ -z "${email}" ]; then
echo "No email address specified, information available in ${logfile}"
else
sendmail -t -oi < ${logfile}
rm ${logfile}
fi