launch-libvirt-vm.sh

#!/bin/bash

set -euo pipefail

VM_NAME="${1:-mgns}"
SCREEN_SESSION="vm-console"

virt-install \
        --name "$VM_NAME" \
        --osinfo name=fedora40 \
        --ram 1024 \
        --vcpus 2 \
        --disk path=~/tmp/image/system.qcow2,format=qcow2 \
        --import \
        --network network=default \
        --graphics none \
        --virt-type=kvm \
        --boot loader=/usr/share/OVMF/OVMF_CODE.fd \
        --disk path=~/tmp/cloud-init.iso,device=cdrom \
        --noautoconsole

i=0
wait_time=40
while [ $i -le $wait_time ]; do
   printf "\rWaiting for VM to boot...(%*d/${wait_time}s)" 2 $i
   sleep 1
   i=$(( $i + 1 ))
done
echo ""

echo "Sending commands to $VM_NAME..."

screen -S $SCREEN_SESSION -X stuff "virsh console $VM_NAME\n"
sleep 1
screen -S $SCREEN_SESSION -X stuff "\n"
screen -S $SCREEN_SESSION -X stuff "systemctl status run-media-cidata.mount --no-pager -l\n"
sleep 1
screen -S $SCREEN_SESSION -X stuff "\035"

read -p "Press any key to continue... " -n1 -s

virsh destroy "$VM_NAME"
virsh undefine "$VM_NAME"

echo "VM destroyed"