{ "checker": { "claims": [ { "claim": "Multi-user rotation against RDS and RDS Proxy needs AWS Secrets Manager secrets and a reachable RDS database", "command": "", "evidence": "Requires AWS Secrets Manager secrets, an RDS/RDS Proxy PostgreSQL database and AWS credentials; none exist in this disposable guest (no AWS config, no docker, no database). Also the Lambda handler raises NonCopyableArgumentError in Container() before any AWS call (see probe.json).", "expected": "", "input": "", "kind": "claim", "outcome": "Requires AWS Secrets Manager secrets, an RDS/RDS Proxy PostgreSQL database and AWS credentials; none exist in this disposable guest (no AWS config, no docker, no database). Also the Lambda handler raises NonCopyableArgumentError in Container() before any AWS call (see probe.json).", "source": "Python script for multi-user password rotation using RDS and RDS", "source_checked": true, "source_file": "README.md", "verdict": "blocked" } ], "cycle_checks": [ { "claim": "Scheduled or looping main behavior", "command": "", "evidence": "Inspected README.md, pyproject.toml, setup.cfg, Dockerfile (CMD is the Lambda handler), src/rds_proxy_password_rotation entry points and .github workflows: no cron, loop, webhook, --once or --now trigger exists; rotation is invoked by AWS Secrets Manager rotation events.", "expected": "identify the product trigger", "input": "source inspection", "kind": "cycle", "outcome": "Inspected README.md, pyproject.toml, setup.cfg, Dockerfile (CMD is the Lambda handler), src/rds_proxy_password_rotation entry points and .github workflows: no cron, loop, webhook, --once or --now trigger exists; rotation is invoked by AWS Secrets Manager rotation events.", "source": "repository entry points", "verdict": "yes" } ], "details": { "checks": [ { "check": "start", "details": { "argv": [ "", "-I", "-c", "from rds_proxy_password_rotation.adapter.aws_lambda_function import lambda_handler\nlambda_handler({'Step':'create_secret','SecretId':'arn:aws:secretsmanager:eu-central-1:123456789012:secret:','ClientRequestToken':'0f1e2d3c-0000-4000-8000-000000000001','RotationToken':'tok'}, None)\nprint('HANDLER_OK')" ], "blocker": "an expected operation error cannot prove working behavior: {\"argv\": [\"\", \"-I\", \"-c\", \"from rds_proxy_password_rotation.adapter.aws_lambda_function import lambda_handler\\nlambda_handler({'Step':'create_secret','SecretId':'arn:aws:secretsmanager:eu-central-1:123456789012:secret:','ClientRequestToken':'0f1e2d3c-0000-4000-8000-000000000001','RotationToken':'tok'}, None)\\nprint('HANDLER_OK')\"], \"returncode\": 1, \"stdout\": \"\", \"stderr\": \"Traceback (most recent call last):\\n File \\\"src/dependency_injector/providers.pyx\\\", line 4883, in dependency_injector.providers.deepcopy_kwargs\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 162, in deepcopy\\n y = _reconstruct(x, memo, *rv)\\n ^^^^^^^^^^^^^^^^^^^^^^^^^^\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 259, in _reconstruct\\n state = deepcopy(state, memo)\\n ^^^^^^^^^^^^^^^^^^^^^\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 136, in deepcopy\\n y = copier(x, memo)\\n ^^^^^^^^^^^^^^^\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 221, in _deepcopy_dict\\n y[deepcopy(key, memo)] = deepcopy(value, memo)\\n ^^^^^^^^^^^^^^^^^^^^^\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 162, in deepcopy\\n y = _reconstruct(x, memo, *rv)\\n ^^^^^^^^^^^^^^^^^^^^^^^^^^\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 259, in _reconstruct\\n state = deepcopy(state, memo)\\n ^^^^^^^^^^^^^^^^^^^^^\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 136, in deepcopy\\n y = copier(x, memo)\\n ^^^^^^^^^^^^^^^\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 221, in _deepcopy_dict\\n y[deepcopy(key, memo)] = deepcopy(value, memo)\\n ^^^^^^^^^^^^^^^^^^^^^\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 151, in deepcopy\\n rv = reductor(4)\\n ^^^^^^^^^^^\\nTypeError: cannot pickle '_thread.lock' object\\n\\nThe above exception was the direct cause of the following exception:\\n\\nTraceback (most recent call last):\\n File \\\"\\\", line 2, in \\n File \\\"\\\", line 140, in wrapper\\n response = middleware()\\n ^^^^^^^^^^^^\\n File \\\"\\\", line 171, in event_parser\\n return handler(parsed_event, context, **kwargs)\\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\\n File \\\"\\\", line 18, in lambda_handler\\n container = Container()\\n ^^^^^^^^^^^\\n File \\\"src/dependency_injector/containers.pyx\\\", line 743, in dependency_injector.containers.DeclarativeContainer.__new__\\n File \\\"src/dependency_injector/providers.pyx\\\", line 4838, in dependency_injector.providers.deepcopy\\n File \\\"src/dependency_injector/providers.pyx\\\", line 4845, in dependency_injector.providers.deepcopy\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 136, in deepcopy\\n y = copier(x, memo)\\n ^^^^^^^^^^^^^^^\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 221, in _deepcopy_dict\\n y[deepcopy(key, memo)] = deepcopy(value, memo)\\n ^^^^^^^^^^^^^^^^^^^^^\\n File \\\"/usr/lib/python3.12/copy.py\\\", line 143, in deepcopy\\n y = copier(memo)\\n ^^^^^^^^^^^^\\n File \\\"src/dependency_injector/providers.pyx\\\", line 2789, in dependency_injector.providers.BaseSingleton.__deepcopy__\\n File \\\"src/dependency_injector/providers.pyx\\\", line 4885, in dependency_injector.providers.deepcopy_kwargs\\ndependency_injector.errors.NonCopyableArgumentError: Couldn't copy keyword argument boto3_secrets_manager for provider ) at 0x79c2610effa0>\\n\", \"needs_credentials\": false, \"needs_browser\": false}", "kind": "cli", "needs_browser": false, "needs_credentials": false, "returncode": 1, "stderr": "Traceback (most recent call last):\n File \"src/dependency_injector/providers.pyx\", line 4883, in dependency_injector.providers.deepcopy_kwargs\n File \"/usr/lib/python3.12/copy.py\", line 162, in deepcopy\n y = _reconstruct(x, memo, *rv)\n ^^^^^^^^^^^^^^^^^^^^^^^^^^\n File \"/usr/lib/python3.12/copy.py\", line 259, in _reconstruct\n state = deepcopy(state, memo)\n ^^^^^^^^^^^^^^^^^^^^^\n File \"/usr/lib/python3.12/copy.py\", line 136, in deepcopy\n y = copier(x, memo)\n ^^^^^^^^^^^^^^^\n File \"/usr/lib/python3.12/copy.py\", line 221, in _deepcopy_dict\n[excerpt truncated]", "stdout": "", "working": false }, "optional": false, "status": "FAIL" } ], "scope": "partial checks", "working": false }, "evidence_strength": "nothing_checked", "example_checks": [ { "claim": "Repository unit test suite runs offline (README has no test command; purpose: exercise the installed package)", "command": " -m pytest tests/unit -q -p no:cacheprovider", "deferred": false, "evidence": "................. [100%]\n17 passed in 0.49s", "expected": "all unit tests pass", "input": "tests/unit", "kind": "example", "outcome": "command completed successfully", "returncode": 0, "source": "tests/unit", "verdict": "yes" } ], "status": "FAIL" }, "deviations": [ "README has no CLI, HTTP or MCP entrypoint and no local run command; the only runnable entrypoint is the Lambda handler, invoked through the python_api/cli harness.", "Docker not installed; the ghcr.io image pull was not attempted (guest has no docker and no AWS/RDS).", "Initial event typo (createSecret) fixed to create_secret; NoRegionError fixed by AWS_DEFAULT_REGION (repo tests/conftest.py value). These were my own setup errors, not product failures.", "System python3 pip (apt, 24.0) could not install the package ('InvalidRequirement: Parse error at extra ==' and 'Cannot uninstall pip 24.0, RECORD file not found'). Worked around for the checker's -I replay by writing /usr/local/lib/python3.12/dist-packages/coldpass-deps.pth pointing at the venv site-packages and workspace src (environment workaround, no product source edited).", "Checker rejects expected_value null for python_api and rejects the decorated handler (powertools event_parser wrapper resolves outside the repo), so the handler is evidenced via a cli start check with -c (agent-written, partial).", "No successful product operation could be observed; the only probe is the failing startup.", "Claim about AWS/RDS rotation recorded as testable:false (missing prerequisites)." ], "fault_owner": "repo", "main_blocker": "dependency_injector 4.49.1 (pinned) raises NonCopyableArgumentError deep-copying the boto3 SecretsManager client passed as a keyword argument to providers.Singleton, so the handler cannot start even before reaching AWS.", "operation": "Run the documented rotation Lambda handler (Dockerfile CMD: src.rds_proxy_password_rotation.adapter.aws_lambda_function.lambda_handler) on a Secrets Manager rotation event", "operation_scope": "Needs AWS Secrets Manager secrets, RDS/RDS Proxy PostgreSQL and AWS credentials for a real rotation. The startup defect reproduces without any AWS call: it happens while the DI Container() is built.", "outcome": "blocked", "plain_failure": "The documented Lambda handler crashes on first invocation: building the DI Container copies the boto3 client argument and fails with NonCopyableArgumentError on Python 3.12.3 with the pinned dependency-injector 4.49.1. Unit tests do not cover the container, so this is not caught by CI tests. AWS/RDS prerequisites are also absent from this guest, so no rotation could be verified end-to-end.", "steps": [ "Read README.md: no install or run section; only prerequisites and docker pull ghcr.io/Hapag-Lloyd/rds-proxy-password-rotation:edge (docker not present in guest, not pulled).", "python3 3.12.3 available (README requires >=3.10). Created venv: python3 -m venv ", " -m pip install -e '.[test]' (succeeded, pinned deps installed).", " -m pytest tests/unit -q -p no:cacheprovider (17 passed).", "Ran lambda_handler with a create_secret event, AWS_DEFAULT_REGION=eu-central-1 (diagnostic): fails with dependency_injector NonCopyableArgumentError in Container() (deepcopy of boto3_secrets_manager client). Reproduced via the checker's start probe, returncode 1." ], "stuck_step": "Startup of the rotation Lambda handler: Container() creation in src/rds_proxy_password_rotation/adapter/container.py", "suggested_fix": "Stop passing the boto3 client as a provider keyword argument that gets deep-copied: wrap it in providers.Object(...) or build it inside a provider factory, and add a test that instantiates Container(). Re-run the Lambda handler against localstack or AWS credentials to verify the rotation steps." }