Hi-jack an unraid server power button to start and stop a VM

UnraidVMpowerSwitch

################################################################
# edit file: /boot/config/acpi_handler.sh
# change "power)" line to point at vmStartStop script location (shown at top of web UI when editing User Script)
################################################################

#!/bin/sh
# Default acpi script that takes an entry for all actions

IFS=${IFS}/
set $@

case "$1" in
  button)
    case "$2" in
      power) . /boot/config/plugins/user.scripts/scripts/vmStartStop/script
         ;;
      *) logger "ACPI action $2 is not defined"
         ;;
    esac
    ;;
  *)
#    logger "ACPI group $1 / action $2 is not defined"
    ;;
esac


################################################################
# User Script: powerButtonRepurpose
# set to "run at first array start only"
################################################################

#!/bin/bash
cp /boot/config/acpi_handler.sh /etc/acpi/acpi_handler.sh  && chmod 755 /etc/acpi/acpi_handler.sh


################################################################
# User Script: vmStartStop
# change "MainPC" to the name of your VM
# optional:  to boot VM when unraid starts, set to "run at first array start only"
# In windows, you can set what the power button does (ie. hibernate) but below must send a shutdown command still
################################################################

#! /bin/bash

# if domain is running, shut down
if virsh list | grep "MainPC .*running" ; then
  virsh shutdown "MainPC"

# resume domain if it's paused
elif virsh list | grep "MainPC .*paused" ; then
  virsh resume "MainPC"
elif virsh list | grep "MainPC .*pmsuspended" ; then
  virsh dompmwakeup "MainPC"

# otherwise start domain
else
  virsh start "MainPC"
fi