AWS: credentials don't include SSO
If your organization uses aws sso for authentication, the documented "credential chain" isn't enough - you need to look at files in ~/.aws/sso/cache/*.json.
Smithy4s doesn't implement that: I think it should be supported, as aws sso login doesn't write to ~/.aws/credentials or otherwise export a token into the environment. Tools like awscli2 seem to be reading from that cache directory.
Apparently awscli2 does that, but only some SDKs do...
There's also credential_process - that'd work for me as well, although I'd need to hack some process up or use aws-sso-util. Not sure what's worse to do in smithy4s: running an executable or reading files from disk... but credential_process will probably have to be supported in the longer term.
ref: https://github.com/aws/aws-cli/issues/4982
We've never made any promise as to what credentials we'd be supporting. It's also worth noting we're not supporting ~/.aws/credentials either.
The point of the AWS module is to cross compile work across the different platforms, and I'm not sure running an executable fits that.
@kubukoz considering @daddykotex has added support for have file-based credentials provider now, I'm okay with this being added in a similar fashion.
Tbh I don't need it anymore as my org switched to a solution that uses the credentials file 😅 shall we keep it open if anyone else is interested in implementing this in the future?
🤷♂️ sure