kubespray/tests/files/vagrant_ubuntu20-flannel.rb

$os = "ubuntu2004"

# For CI we are not worries about data persistence across reboot
$libvirt_volume_cache = "unsafe"
# Checking for box update can trigger API rate limiting
# https://www.vagrantup.com/docs/vagrant-cloud/request-limits.html
$box_check_update = false
$vm_cpus = 2