public/shutdown-all-vms.sh

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#!/bin/bash
# Script to try to gracefully shut down all running VMs on a Proxmox host, before then force stopping them.
# Running as a sub-script of apcupsd's doshutdown function to ensure that VMs are shut down before the host is powered off.
#v1.1
# Get a list of running VMs
vmlist=$(qm list | grep running | awk '{print $1}')
lxclist=$(pct list | grep running | awk '{print $1}')
echo "Currently running instances"
echo "VM(s) $vmlist"
echo "Container(s)$lxclist"
# Loop through the list and force shutdown each VM
echo "Stopping VM(s)..."
for vmid in $vmlist
do
echo "Shutting down VM $vmid"
qm shutdown $vmid
done
echo "Stopping container(s)..."
for lxcid in $lxclist
do
echo "Shutting down container $lxcid"
pct shutdown $lxcid
done
# Wait for 30 seconds to allow VMs to shut down
echo "/nWating for shutdowns to complete."
sleep 150
# Get a list of running VMs again
vmlist=$(qm list | grep running | awk '{print $1}')
lxclist=$(pct list | grep running | awk '{print $1}')
# If there are still running VMs, print a warning and kill them
if [ -n "$vmlist" ]; then
echo "WARNING: The following VM/container(s) are still running:"
echo $vmlist
echo $lxclist
echo "Will attempt to kill them now"
for vmid in $vmlist
do
echo "Killing VM $vmid"
qm stop $vmid
done
for lxcid in $lxclist
do
echo "Killing container $lxcid"
qm stop $lxcid
done
fi
# Exit with success
exit 0