OpenStack emerged in 2010 it made sense to use Ubuntu One as their authentication platform. 15 years later OpenStack has become OpenInfra and tools to support one project now need to support several aligned technologies on a single platform, OpenDev. The sysadmins have integrated Keycloak as an Identity broker and authorisation provider but this uncovers several challenges: Keycloak doesn't support OpenID (needed by Ubuntu One); a tool is needed to pre-load keycloak with some user mappings; Keycloak is written in Java. Join the OpenDev Sysadmins as they find the path from problem to solution.