I have only had a brief look but seems you would also need to specify the role ARN at least, so it would not be as simple as IMDS-sourced credentials. This solu

I have only had a brief look but seems you would also need to specify the role ARN at least, so it would not be as simple as IMDS-sourced credentials. This solution is also AWS-specific, not sure how it would be solved for Google Cloud. It doesn't solve the issue of getting regular metadata without sidestepping the SDKs.