fix[s3 source]: allow for global or model config level definition of the role_arn

[sarahdasko]

Summary

Added role_arn to be configurable at the project or model level
Added the ability to configure aws_access_key_id and aws_secret_access_key at the project or model level

Checklist

• Unit and integration tests covering the common scenarios were added

[CLAassistant]

All committers have signed the CLA.

[Copilot]

Pull Request Overview

This PR allows for the configuration of the S3 role ARN at either the global (project) or model level.

• Added a new integration test class (TestS3RoleArnGlobal) that confirms the compiled SQL contains the correct extra_credentials invocation.
• Updated the clickhouse adapter implementation to retrieve the role ARN from either the provided parameter or the project configuration.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
tests/integration/adapter/clickhouse/test_clickhouse_s3.py	Introduces new integration tests to verify role ARN injection in compiled SQL.
dbt/adapters/clickhouse/impl.py	Updates the S3 source clause generation to include role ARN from configuration.

[Copilot]

Pull Request Overview

This PR enhances S3 source configurations by allowing the role_arn to be defined globally or at the model level. Key changes include:

• Adding integration tests to verify the role_arn and AWS access key configurations.
• Updating the ClickHouse adapter's S3 source clause function to support role_arn from configuration.
• Ensuring that the SQL compilation properly includes the new role_arn and AWS credential format.

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
tests/integration/adapter/clickhouse/test_clickhouse_s3.py	Added tests to validate AWS access key and role_arn configurations
dbt/adapters/clickhouse/impl.py	Updated s3source_clause to integrate role_arn from config

[BentsiLeviav]

Hi @sarahdasko
Would you mind syncing your fork?

[sarahdasko]

happy to @BentsiLeviav

[BentsiLeviav]

@sarahdasko would need you to merge it one more time :)