ability to migrate memfile leases to database leases
The reverse action that #2038 would take.
kea-admin lease-import mysql -6 -o leases.csv.
These two kea-admin commands would cover all the cases. If someone wants to migrate from MySQL to PostgreSQL they can go through CSV. That is:
kea-admin lease-dump mysql -6 -o leases.csv kea-admin lease-import pgsql -6 -o leases.csv
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information