SSO parameters are not loaded from credentials file

[timterle]

Describe the bug

Loading config fails in v2 if SSO parameters are in credentials file

Expected Behavior

The library should use the sso parameters from credentials file. This works in sdk v1 and with aws cli.

Current Behavior

Loading the config gives this error:
failed to load assume role arn:aws:iam::accountA:role/roleB, of profile login, <nil>

Reproduction Steps

Configuration

These are the config files used

~/.aws/config

[profile login]
aws_account_id = <aws-account-id>

[profile accountA-roleB]
role_arn = arn:aws:iam::accountA:role/roleB
source_profile = login

~/.aws/credentials

[login]
sso_start_url = <sso-start-url>
sso_region = <sso-region>
sso_account_id = <sso-account-id>
sso_role_name = <sso-role-name>

Code

func main() {
	_, err := config.LoadDefaultConfig(context.TODO(), config.WithSharedConfigProfile("accountA-roleB"))
	if err != nil {
		log.Fatalf("failed to load AWS SDK configuration, %v", err)
	}
}

The code above results in this error

failed to load assume role arn:aws:iam::accountA:role/roleB, of profile login, <nil>

This code doing the same thing with v1 of aws-sdk-go works fine

func main() {
	opts := session.Options{
		Profile:           "accountA-roleB",
		SharedConfigState: session.SharedConfigEnable,
	}
	_, err := session.NewSessionWithOptions(opts)
	if err != nil {
		log.Fatalf("failed to load AWS SDK configuration, %v", err)
	}
}

Possible Solution

No response

Additional Information/Context

If SSO parameters are moved from credentials file to config file aws-sdk-go v2 works fine, but documentation say they can be in credentials file as well. And it works in v1 and when using the aws cli.

AWS Go SDK V2 Module Versions Used

github.com/aws/aws-sdk-go-v2 v1.16.5
github.com/aws/aws-sdk-go-v2/config v1.15.11

Compiler and Version used

go version go1.18.1 darwin/arm64

Operating System and version

MacOS 12.4

[RanVaknin]

Hi @timterle ,

Thanks for bringing this to my attention. We are working on a fix and will patch the issue soon. I will keep you posted.

[github-actions]

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