fix(config): handle corrupted config.toml in credential functions#481
fix(config): handle corrupted config.toml in credential functions#481
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Replaces the existing CI-e2e.yml which depends on external mock-worker repo and opaque test-runner action. New design uses flash run dev server with purpose-built fixtures to validate SDK behaviors end-to-end.
15 tasks across 4 chunks: fixture project, QB tests, LB tests + CI workflows, and local validation. Reviewed and approved.
Smoke testing revealed several issues: - flash run QB routes dispatch remotely via @endpoint decorator, requiring RUNPOD_API_KEY for all tests (not just LB) - Request body format must match handler param names (input_data, not prompt) - Health check must catch ConnectTimeout in addition to ConnectError - lb_endpoint.py startScript had wrong handler path (/src/ vs /app/) - asyncio_runner.Job requires (endpoint_id, job_id, session, headers), replaced with asyncio_runner.Endpoint - Cold start test uses dedicated port (8199) to avoid conflicts - CI-e2e.yml now requires RUNPOD_API_KEY secret and has 15min timeout - HTTP client timeout increased to 120s for remote dispatch latency
- Remove unused import runpod from test_lb_dispatch.py - Narrow bare Exception catch to (TypeError, ValueError, RuntimeError) - Extract _wait_for_ready to conftest as wait_for_ready with poll_interval param - Replace assert with pytest.fail in verify_local_runpod fixture - Move _patch_runpod_base_url to conftest as autouse fixture (DRY) - Add named constants for ports and timeouts - Add status assertions on set calls in test_state_independent_keys
The previous install order (flash first, then editable with --no-deps) left aiohttp and other transitive deps missing because the editable build produced a different version identifier. Fix: install editable with full deps first, then flash, then re-overlay the editable.
The SDK's RunPodClient and AsyncEndpoint constructors check runpod.api_key at init time. The conftest patched endpoint_url_base but never set api_key, causing RuntimeError for all SDK client tests. Also add response body to state test assertions for debugging the 500 errors from stateful_handler remote dispatch.
The CI unit test workflow runs `uv run pytest` without path restrictions, which collects e2e tests that require flash CLI. Add tests/e2e to norecursedirs so only CI-e2e.yml runs these tests (with explicit markers).
Flash's @Remote dispatch provisions serverless endpoints on first request (~60s cold start). Without warmup, early tests fail with 500 because endpoints aren't ready. Run concurrent warmup requests in the flash_server fixture to provision all 3 QB endpoints before tests. Also add response body to assertion messages for better debugging.
- Remove test_async_run: flash dev server's /run endpoint doesn't
return Runpod API format ({"id": "..."}) needed for async job polling
- Remove test_run_async_poll: same /run incompatibility
- Redesign state tests: remote dispatch means in-memory state can't
persist across calls, so test individual set/get operations instead
- Add explicit timeout=120 to SDK run_sync() calls to prevent 600s hangs
- Reduce per-test timeout from 600s to 180s so hanging tests don't
block the entire suite
- Increase job timeout from 15 to 20 min to accommodate endpoint warmup
- Increase HTTP_CLIENT_TIMEOUT from 120 to 180s to match per-test timeout, preventing httpx.ReadTimeout for slow remote dispatch - Add AttributeError to expected exceptions in test_run_sync_error (SDK raises AttributeError when run_sync receives None input)
Drop 3.8 and 3.9 support, add 3.12. Flash requires 3.10+ and the SDK should target the same range.
…atch The stateful_handler uses multi-param kwargs (action, key, value) which flash's remote dispatch returns 500 for. The other handlers use a single dict param and work correctly. Remove the stateful handler fixture and tests — the remaining 7 tests provide solid coverage of handler execution, SDK client integration, cold start, and error propagation.
- Patch requests.Session.request instead of .get/.post in 401 tests (RunPodClient._request uses session.request, not get/post directly) - Fix test_missing_api_key to test Endpoint creation with None key (was calling run() on already-created endpoint with valid key) - Increase cold start benchmark threshold from 1000ms to 2000ms (CI runners with shared CPUs consistently exceed 1000ms)
Remote dispatch via flash dev server occasionally hangs after first successful request. Adding --reruns 1 --reruns-delay 5 to both e2e workflows as a mitigation for transient timeout failures.
The test_sync_handler and test_async_handler tests hit the flash dev server directly with httpx, which consistently times out due to remote dispatch hanging after warmup. These handlers are already validated by the SDK-level tests (test_endpoint_client::test_run_sync and test_async_endpoint::test_async_run_sync) which pass reliably.
Flash remote dispatch intermittently hangs on sequential requests to different handlers. Consolidated to use async_handler for the happy-path SDK test and removed the redundant test_async_endpoint.py. Only one handler gets warmed up now, reducing provisioning time and eliminating the cross-handler dispatch stall pattern.
…dpoint autouse=True forced flash_server startup before all tests including test_cold_start, which takes ~60s on its own server. By the time test_run_sync ran, the provisioned endpoint had gone cold, causing 120s timeout failures in CI. - Remove autouse=True, rename to patch_runpod_globals - Add patch_runpod_globals to test_endpoint_client usefixtures - Increase SDK timeout 120s → 180s to match pytest per-test timeout
Add --log-cli-level=INFO to pytest command so flash's existing log.info() calls for endpoint provisioning, job creation, and status polling are visible in CI logs.
Stop piping flash subprocess stderr so provisioning logs (endpoint IDs, GraphQL mutations, job status) flow directly to CI output.
Provisioned serverless endpoints were running the published PyPI runpod-python, not the PR branch. Use PodTemplate.startScript to pip install the PR's git ref before the original start command. - Add e2e_template.py: reads RUNPOD_SDK_GIT_REF, builds PodTemplate with startScript that installs PR branch then runs handler - Update fixture handlers to pass template=get_e2e_template() - Set RUNPOD_SDK_GIT_REF in both CI workflows - Align nightly workflow env var name, add --log-cli-level=INFO
Replace flash-run-based e2e tests with direct endpoint provisioning using Flash's Endpoint(image=...) mode. Tests now provision real Runpod serverless endpoints running the mock-worker image, inject the PR's runpod-python via PodTemplate(dockerArgs=...), and validate SDK behavior against live endpoints. - Add tests.json test case definitions (basic, delay, generator, async_generator) - Add e2e_provisioner.py: reads tests.json, groups by hardwareConfig, provisions one endpoint per unique config - Add test_mock_worker.py: parametrized tests driven by tests.json - Rewrite conftest.py: remove flash-run fixtures, add provisioning fixtures - Make test_cold_start.py self-contained with own fixture directory - Simplify CI workflows: remove flash run/undeploy steps - Set FLASH_IS_LIVE_PROVISIONING=false to use ServerlessEndpoint (LiveServerless overwrites imageName with Flash base image) - Delete old flash-run fixtures and test files
Log endpoint provisioning details (name, image, dockerArgs, gpus), job submission/completion (job_id, output, error), and SDK version so CI output shows what is happening during e2e runs.
Call resource_config.undeploy() for each provisioned endpoint in the session teardown to avoid accumulating orphaned endpoints and templates on the Runpod account across CI runs.
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Pull request overview
This PR hardens credential config handling so corrupted ~/.runpod/config.toml won’t crash callers (notably when get_credentials() is invoked at import time), aligning behavior with existing check_credentials() error handling.
Changes:
- Catch
(TypeError, ValueError)aroundtoml.load()inget_credentials()and returnNoneon parse/type failures. - Treat corrupted config as empty in
set_credentials()whenoverwrite=False, preventing crashes during existence checks. - Add unit tests covering corrupted TOML and type errors for
get_credentials(), plus corrupted TOML behavior forset_credentials().
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
runpod/cli/groups/config/functions.py |
Adds defensive exception handling for corrupted TOML in credential read/check paths. |
tests/test_cli/test_cli_groups/test_config_functions.py |
Adds tests for corrupted TOML/type errors and set_credentials() overwrite/non-overwrite behavior. |
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| """set_credentials with overwrite=True ignores corrupted existing file.""" | ||
| mock_toml_load.side_effect = ValueError("Invalid TOML") | ||
| # overwrite=True skips the toml.load check entirely | ||
| functions.set_credentials("NEW_KEY", overwrite=True) | ||
|
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| @patch("runpod.cli.groups.config.functions.toml.load") | ||
| @patch("builtins.open", new_callable=mock_open()) | ||
| def test_set_credentials_corrupted_toml_no_overwrite( | ||
| self, _mock_file, mock_toml_load | ||
| ): | ||
| """set_credentials without overwrite treats corrupted file as empty.""" | ||
| mock_toml_load.side_effect = ValueError("Invalid TOML") | ||
| # Should not raise — corrupted file is treated as having no profiles | ||
| functions.set_credentials("NEW_KEY", overwrite=False) |
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set_credentials() calls os.makedirs(...) and Path(...).touch(...) before opening the file. These new tests patch open, but they don't patch os.makedirs / Path.touch or override functions.CREDENTIAL_FILE, so the test can still create ~/.runpod/config.toml on the real filesystem when it runs. Patch those filesystem calls (or redirect CREDENTIAL_FILE to a temp path) to keep the tests hermetic.
runpod-Henrik
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1. Core fix — correct
get_credentials() now returns None on (TypeError, ValueError) instead of crashing. This matches the existing pattern in check_credentials() and unblocks the import-time crash in runpod/__init__.py:81. The set_credentials() non-overwrite path gets the same treatment — a corrupted file is treated as empty rather than raising.
2. Bug: test_set_credentials_corrupted_toml_allows_overwrite doesn't test the changed code
mock_toml_load.side_effect = ValueError("Invalid TOML")
functions.set_credentials("NEW_KEY", overwrite=True)With overwrite=True, the if not overwrite: block is skipped entirely — toml.load is never called. The side_effect is never triggered. The test would pass with or without this PR. The test that actually validates the changed code is test_set_credentials_corrupted_toml_no_overwrite. The overwrite=True test is redundant for this change and should either be removed or repurposed to verify write behavior.
3. Issue: silent failure gives no signal to the user
except (TypeError, ValueError):
return Noneget_credentials() returning None on a corrupted file is the right behavior for the import-time crash, but it's silent. Downstream code in runpod/__init__.py sets _credentials = None with no indication that the config was present but unreadable. A user gets auth failures with no explanation. A warnings.warn() or sys.stderr message noting the file is corrupted would make this debuggable.
Nit
check_credentials() already had the same (TypeError, ValueError) pattern — worth a comment in get_credentials() cross-referencing this so future readers understand the intentional symmetry.
Verdict: PASS WITH NITS
Fix is correct. Item 2 (misleading test) and item 3 (silent failure) are worth a follow-up.
🤖 Reviewed by Henrik's AI-Powered Bug Finder
- Redirect subprocess stdout/stderr to DEVNULL to prevent pipe deadlock - Guard send_signal with returncode check to avoid ProcessLookupError - Add explanatory comment to empty except clause (code scanning finding) - Remove machine-local absolute path from CLAUDE.md - Update spec status to reflect implementation is complete
- Submit all test jobs via asyncio.gather instead of serial parametrize - Exclude endpoint name from hardware_config_key so basic+delay share one endpoint (4 endpoints down to 3) - Reduce CI timeout from 20m to 15m
Previous teardown called resource_config.undeploy() via asyncio.get_event_loop().run_until_complete() which could fail silently due to event loop state during pytest session teardown. Switch to subprocess flash undeploy --all --force which runs in a clean process, reads .runpod/resources.pkl directly, and handles the full undeploy lifecycle reliably.
…credentials get_credentials() called toml.load() without exception handling, causing a raw TOMLDecodeError to crash any code that imports the runpod package when ~/.runpod/config.toml is malformed. Return None on parse failure, matching the existing pattern in check_credentials().
Address review feedback: - Patch os.path.exists via module path for consistency with existing tests - Patch os.makedirs and Path.touch in set_credentials tests for hermeticity
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Summary
get_credentials()now catches(TypeError, ValueError)whentoml.load()fails on a corrupted~/.runpod/config.toml, returningNoneinstead of crashing. This matches the existing pattern incheck_credentials().set_credentials()(non-overwrite path) gets the same treatment -- a corrupted file is treated as empty rather than crashing.Root cause:
get_credentials()is called at import time inrunpod/__init__.py:81. A malformed config.toml causes aTOMLDecodeError(subclass ofValueError) that crashes any downstream package (e.g. flash) before their error handling can run.Fixes: AE-2576
Related: AE-2485 (fixed Flash's own read path; this fixes the dependency's read path)
Test plan
test_get_credentials_corrupted_toml-- ValueError returns Nonetest_get_credentials_type_error-- TypeError returns Nonetest_set_credentials_corrupted_toml_allows_overwrite-- overwrite=True ignores corrupt filetest_set_credentials_corrupted_toml_no_overwrite-- overwrite=False treats corrupt as empty