Provider state gating, circuit breaker half-open, OTel context sync, and regression test suite

36 files · 1,617+ · 102-

5 files changed

provider.py `get_tracer()` now checks provider initialization state before returning; falls back to no-op if not initialized
provider.py `get_meter()` now checks provider initialization state before returning; falls back to no-op if not initialized
api.py API layer updated to propagate state-gating behavior
__init__.py Metrics package init updated for state gating
test_metrics_early_get_meter.py Real-SDK lifecycle test verifying the full provider initialization flow

get_tracer() and get_meter() now check whether the OTel provider is properly initialized before returning; returns safe no-op tracer/meter if not initialized harden behavioral
2 files
- provider.py
- provider.py
Real-SDK lifecycle test verifies the full provider initialization flow qualify internal
1 file
- test_metrics_early_get_meter.py

2 files changed

resilience.py Circuit breaker now implements half-open state; decoupled from metrics initialization
core.py Logging subsystem decoupled from metrics subsystem initialization

Logging subsystem no longer depends on metrics subsystem initialization harden behavioral
1 file
- core.py
Circuit breaker now implements half-open state: allows a probe request through after recovery window harden behavioral
1 file
- resilience.py

4 files changed

_otel.py OTel trace context now synced into Python's contextvars for cross-coroutine propagation
__init__.py SLO module made lazily loaded to reduce import cost
decorators.py Tracing decorators updated for context sync
test_trace_context_sync.py Tests verifying OTel context propagation into contextvars (145 lines)

OpenTelemetry trace context now synced into Python’s contextvars for cross-coroutine propagation instantiate behavioral
2 files
- _otel.py
- test_trace_context_sync.py
SLO module (slo.py) made lazily loaded to reduce import cost streamline internal
1 file
- __init__.py

8 files changed

setup.py Race conditions and clean shutdown sequence fixed
runtime.py Stale cache invalidation fixed
sampling.py Sampling subsystem correctness fixes
config.py Config correctness fixes
fallback.py Stale meter cache fix
test_code_review_regressions.py Regression tests for race conditions, staleness, shutdown, and circuit breaker edge cases
test_code_review_regressions_2.py Second batch of code review regression tests
test_code_review_regressions_3.py Third batch of code review regression tests

Fixed 6 code review issues: race conditions in concurrent telemetry access, stale cache invalidation, clean shutdown sequence, circuit breaker edge cases remediate behavioral
4 files
- setup.py
- runtime.py
- resilience.py
- fallback.py
Fixed stale meter cache, hardened mutation coverage, improved test isolation remediate internal
2 files
- fallback.py
- test_dx_stability.py

7 files changed

test_setup_mutations.py Boundary tests and resolve name assertions to kill remaining mutation survivors
test_setup_lifecycle.py Setup lifecycle tests with frozen time for cooldown boundary
test_otel_integration.py Updated OTel integration tests
test_logger_mutations.py Logger mutation test updates
test_processors_mutations.py Processor mutation test updates
test_thread_safety.py Thread-safety tests updated for mutation coverage
test_middleware_cancellation.py ASGI middleware cancellation tests updated

Killed remaining mutation survivors with boundary tests and resolve name assertions qualify internal
1 file
- test_setup_mutations.py
Tests frozen with time.freeze() to eliminate boundary timing ambiguity in cooldown tests qualify internal
1 file
- test_setup_lifecycle.py

8 files changed