Set IAM Auth per user not proxy wide

[johnathan99j]

Is your request related to a problem? Please describe.

Currently iam_auth is set proxy wide and pulled into the dynamic auth loop in the aws_db_proxy resource. With this approach you can't break down different users into IAM and non IAM authentication for the proxy.

Describe the solution you'd like.

Make it so that iam_auth can be pulled from the secrets object into the dynamic auth block instead of being set globally for the whole proxy.

[bryantbiggs]

Do you have any documentation that references this approach?

[johnathan99j]

Here is the documentation for the aws_db_proxy resource, specifically the iam_auth argument for the auth block.

[antonbabenko]

This issue has been resolved in version 3.0.0 🎉

[github-actions]

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