Southern Company Services leveraged Red Hat documentation to configure infrastructure.  They mentioned two challenges while attempting to deploy a (Master+Infra) only cluster:
1. The existing documentation lists  "examples" of components, and not a definitive list of OCP components that can be moved to infrastructure nodes. 
2. The existing documentation does not give guidance on what to do for the controllers that cannot be edited to add tolerations for the taints added to infrastructure nodes.   

They were highly frustrated that they spent so much time reviewing this and not learning how to move some components to infra nodes.
Our OCP TAM, Abdoul Djire acknowledged that some components cannot be edited. He suggested leveraging KB articles to supplement the documents.[0]
 https://access.redhat.com/solutions/6970951
 

Description of problem:

Version-Release number of selected component (if applicable):

Latest, but should explore a backport for 4.12+

How reproducible:

Steps to Reproduce:

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Actual results:

Expected results:

A list of OpenShift components that can be moved to infrastructure nodes. 

Guidance on what to do about controllers that cannot be edited to add tolerations for the taints added to infrastructure nodes.

Additional info: