- What is the nature and description of the request?  
As an admin I need the ability to change the current certificates and certificate authorities from my .kube/config to a different one so that once my certificates expire, I can change them all easily or other similar situations.

- Why does the customer need this? (List the business requirements here)  
So that they can change the CA they are using. This could be related to expiring certificates.

- How would the customer like to achieve this? (List the functional requirements here)  
Add an oc or kube command that can edit(change) the CAs, certificates,and keys listed in the .kube/config on each node/master. 

- Is there already an existing RFE upstream or in Red Hat Bugzilla?  
Not that I could find  

- List any affected packages or components.  
OpenShift
Kubernetes