def _tracer_setup() -> Iterator[Tracer]:
"""\
Context manager with common setup for tracing endpoints
Yields a tracer (from a fresh SDK with new exporter) then finally flushes
spans created during the test after.
"""
tracer_provider = TracerProvider(
sampler=ALWAYS_ON,
active_span_processor=BatchSpanProcessor(
CloudTraceSpanExporter(project_id=os.environ.get("PROJECT_ID"))
),
)
tracer = tracer_provider.get_tracer(INSTRUMENTING_MODULE_NAME)
try:
yield tracer
finally:
tracer_provider.shutdown()
def common_setup() -> Iterator[tuple[str, Tracer]]:
"""\
Context manager with common setup for test endpoints
It extracts the test-id header, creates a tracer, and finally flushes
spans created during the test
"""
if TEST_ID not in request.headers:
raise Exception(f"{TEST_ID} header is required")
test_id = request.headers[TEST_ID]
tracer_provider = TracerProvider(
sampler=ALWAYS_ON,
active_span_processor=BatchSpanProcessor(
CloudTraceSpanExporter(project_id=os.environ.get("PROJECT_ID"))),
)
tracer = tracer_provider.get_tracer(INSTRUMENTING_MODULE_NAME)
try:
yield test_id, tracer
finally:
tracer_provider.shutdown()
