If you need to download RHEL 9.x get a offline api key from here: https://access.redhat.com/management/api Get the checksum for RHEL 9.x from the Red Hat Downloads page. Then add the API Key & Checksum to roles/pxe/defaults/main.yml Then set DOWNLOAD_RHEL: to "true"
Add your ssh public key to the new pxe booted server via: roles/pxe/defaults/main.yml, METALVISOR_SSH_PUBLIC_KEY