feat: AWS IAM auth for DocumentDB and pooled Postgres (v0.2.10) - #21
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- DocumentDB: add connect_iam_auth (MONGODB-AWS, authSource=$external) for async (Motor) and sync (PyMongo); route via get_mongodb*(auth="iam"). - Postgres: pooled IAM/Entra now mints a fresh token per physical pool connection via a custom connection_class; from_iam_auth/from_entra accept pool params. Fixes static-password bug in _ensure_pool. - Add pymongo[aws] to aws/all/dev extras; refresh uv.lock. - Tests for DocumentDB IAM (async+sync) and pooled Postgres IAM. - Bump to 0.2.10.
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Summary
AWS IAM-based auth for both the document DB (DocumentDB) and relational (Postgres) backends.
DocumentDB
connect_iam_auth(async Motor + sync PyMongo) using theMONGODB-AWSmechanism over TLS (authSource=$external,retryWrites=false). Credentials resolve from the standard AWS provider chain viapymongo-auth-aws.get_mongodb(...)/get_mongodb_sync(...)withauth="iam".Postgres
connection_class(previously_ensure_poolinjected a static null password — broken for token auth).from_iam_auth/from_entra_managed_identitynow acceptpool/pool_min_size/pool_max_size.Packaging
pymongo->pymongo[aws]inaws/all/devextras (pullspymongo-auth-aws);uv.lockrefreshed.__init__, previously out of sync).Tests
Not covered here
MONGODB-AWShandshake against a real IAM-enabled DocumentDB cluster (needs an AWS account; format matches AWS docs + the reference Node sample).