#!/bin/bash

upsname="{{ upsname }}"
retries=5
retry_delay=30

# Check dependencies
which upsc >/dev/null || exit 1

upsstat=1 # just to bootstrap the loop

while [ $upsstat -ne 0 ]; do
 upsc $upsname
 upsstat=$?
 if [ $upsstat -eq 1 ]; then
  let retries=retries-1
  if [ $retries -le 0 ]; then
   /usr/sbin/shutdown -r now
  fi
  sleep $retry_delay
 fi
done