How to programatically simulate `AWS_PROFILE=abc ...??

[lcmgh]

Hi!

In my app I want to make a bunch of requests for various profiles.

I expected that when using aws_config::from_env().profile_name() it assumes the configured role_arn but appearently not.

[profile abc]
output=json
region=eu-central-1
role_arn=arn:aws:iam::1234:role/abc-role
source_profile = default

I expected the following code to have the same effect as starting the app with AWS_PROFILE=abc cargo run. But it does not assume the configured role_arn.

let shared_config = aws_config::from_env()
      .credentials_provider(
          aws_config::profile::ProfileFileCredentialsProvider::builder()
              .profile_name("abc")
              .build(),
      )
      .region(RegionProviderChain::first_try(Region::new(
          p.region.clone(),
      )))
      .profile_name(p.profile.clone());

How can I make the sdk assume the configured role from the profile without using the iam sdk to call assume_role and then passing the credentials manually?

[lcmgh]

I found what I need: https://docs.rs/aws-config/latest/aws_config/sts/struct.AssumeRoleProvider.html

[github-actions[bot]]

Hello! Reopening this discussion to make it searchable.