We want to be able to migrate current users from old CentralAuth database into Keycloak so that we can prof that it's possible and document the process.
Acceptance criteria
I can be able to migrate users from CentralAuth to Keycloak and able to login using Keycloak without user federation provider.
To-Do
- check if Keycloak supports batch processing jobs
- figure out how to mark migrated users
- make sure the job can be restarted and able to pic up where it left off