User Story:

As a user, I want to be able to:

• Specify a RHCOS image coming from a custom source in the install config to override the installer's internal choice of bootimage  

so that I can achieve

• a custom location in the install config for the RHCOS image to use for the Cluster Nodes

Acceptance Criteria:

A user is able to specify a custom location in the Installer manifest for the RHCOS image to be used for bootstrap and cluster Nodes. This is the similar approach we support already for AWS with the compute.platform.aws.amiID option

(optional) Out of Scope:

Engineering Details: