Customers are starting to use leapp to upgrade from RHEL X to RHEL X+1, where it removes all RHEL X rpms and then installs RHEL X+1 packages.

It looks like we should have some documentation and possibly some integration to see if the result has the EAP version reinstalled with the customer's configuration and applications still there.

https://www.redhat.com/en/blog/upgrading-rhel-7-rhel-8-leapp-and-boom

https://www.redhat.com/rhdc/managed-files/li-leapp-explained-detail-f31715pr-202208-en.pdf

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/upgrading_from_rhel_8_to_rhel_9/index

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html-single/upgrading_from_rhel_7_to_rhel_8/index