IHAC doing ABI on Oracle cloud.
They followed below doc for provisioning an OCP cluster in OCI
https://access.redhat.com/articles/7038262
But, provisioning first master node which will have rendezvousIP itself is giving error.

    4.14.4

    Always

    1. Prepare install-config and agent-config for external OCI platform.
      example of install-config configuration
.......
.......
platform: external
  platformName: oci
  cloudControllerManager: External
.......
.......
    2. Create agent ISO for external OCI platform     
    3. Boot up nodes using agent ISO
    

    [root@instance-master0 ~]# journalctl -u create-cluster-and-infraenv.service
level=fatal msg="Failed to register cluster with assisted-service: AssistedServiceError Code: 400 Href: ID: 400 Kind: Error Reason: json: unknown field \"cloudControllerManager\""

    Cluster installation should succeed without any errors