Feature Overview (aka. Goal Summary)  

APIServer auto reconfiguration and certificate generation and rotation when clusterName and baseDomains attributes are updated in the Infrastructure CR as proposed by Feature https://issues.redhat.com/browse/OCPSTRAT-772 (Part 2).

Goals

Enable clusterName and baseDomain reconfiguration as a Day-2 operation

Requirements 

• The APIServer should generate certificates for the new name+domain attributes
• The APIServer should start accepting request to with the new identity
• The APIServer should continue handling requests on the previous name+domain for some time to allow rotation and reconfiguration of other components
• The APIServer should continue handling request on the previous name+domain while the admin kubeconfig has not been regenerated

Use Cases & Customer Considerations

Refer to https://issues.redhat.com/browse/OCPSTRAT-620