@dkorn do you have anything to add here?
I also have the same problem which I am trying to solve. I.e. to automate the addition of OpenShift Cluster to the CloudForms.
Apart from this, I don’t see a REST API in CloudForms API docs to add container provider.
To automate the process I need either a REST API of CloudForm which I can target or need a playbook which can get SA token and replace the token key in the playbook which is used to add OpenShift Cluster as mentioned by @dkorn here.