On December 15th , 2020 , there was recent changes made to the Oracle document – “Oracle Real Application Clusters (RAC) Support on Third-Party Clouds – An Overview and Clarification – Revision 2020.06.14”.
The document My Oracle Support Note 2688277.1 “Oracle Database Support for Non-Oracle Public Cloud Environments”. is as below
As per the above Note – “Oracle does not support Oracle RAC or Oracle RAC One Node running on Non-Oracle Public Cloud Environments”
Please reach out to your Oracle Representative for further clarification in this regard.