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#!/bin/sh
#
# Remove a VM for liw.
set -eu
# Command line parameters.
name="$1"
# Read config variables.
. "$HOME/.config/ansibleness/vm.conf"
# Shut down and remove the VM, if it exists.
if virsh -c qemu:///system list --all | grep -F "$name" > /dev/null
then
virsh -c qemu:///system destroy "$name" || true
virsh -c qemu:///system undefine "$name"
fi
# Remove the LV, if it exists.
lvpath="/dev/$vg/$name"
if [ -e "$lvpath" ]
then
sudo lvremove --force "$lvpath"
fi
# Remove the host from /etc/hosts, if there.
awk -v "name=$name" '$2 != name' /etc/hosts | sudo sponge /etc/hosts
# Done.
echo "Virtual machine $name is gone."
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