def test_request_size_no_cl():
app = create_app()
Instrumentator(excluded_handlers=["/metrics"]).add(
metrics.request_size()).instrument(app).expose(app)
client = TestClient(app)
client.get("/")
response = get_response(client, "/metrics")
assert b"http_request_size_bytes" in response.content
assert b"http_request_size_bytes_count{" in response.content
def test_request_size_no_labels():
app = create_app()
Instrumentator().add(
metrics.request_size(
should_include_handler=False,
should_include_method=False,
should_include_status=False,
)).instrument(app)
client = TestClient(app)
client.get("/", data="some data")
assert REGISTRY.get_sample_value("http_request_size_bytes_sum", {}) == 9
def test_request_size_all_labels():
app = create_app()
Instrumentator().add(metrics.request_size()).instrument(app)
client = TestClient(app)
client.get("/", data="some data")
assert (REGISTRY.get_sample_value(
"http_request_size_bytes_sum",
{
"handler": "/",
"method": "GET",
"status": "2xx"
},
) == 9)
def test_namespace_subsystem():
app = create_app()
Instrumentator().add(
metrics.request_size(
should_include_handler=False,
should_include_method=False,
should_include_status=False,
metric_namespace="namespace",
metric_subsystem="subsystem",
)).instrument(app).expose(app)
client = TestClient(app)
response = get_response(client, "/metrics")
assert b" http_request_size_bytes" not in response.content
assert b" namespace_subsystem_http_request_size_bytes" in response.content
def instrumentation(info: Info) -> None:
if info.modified_handler == "/predict":
predicted_quality = info.response.headers.get("X-model-score")
if predicted_quality:
METRIC.observe(float(predicted_quality))
return instrumentation
# ----- add metrics -----
instrumentator.add(
metrics.request_size(
should_include_handler=True,
should_include_method=True,
should_include_status=True,
metric_namespace=NAMESPACE,
metric_subsystem=SUBSYSTEM,
))
instrumentator.add(
metrics.response_size(
should_include_handler=True,
should_include_method=True,
should_include_status=True,
metric_namespace=NAMESPACE,
metric_subsystem=SUBSYSTEM,
))
instrumentator.add(
metrics.latency(
should_include_handler=True,
should_include_method=True,
instrumentator = Instrumentator(
should_group_status_codes=False,
should_ignore_untemplated=True,
should_respect_env_var=True,
should_instrument_requests_inprogress=True,
excluded_handlers=[".*admin.*", "/metrics"],
env_var_name="ENABLE_METRICS",
inprogress_name="inprogress",
inprogress_labels=True,
)
instrumentator.add(
metrics.request_size(
should_include_handler=True,
should_include_method=False,
should_include_status=True,
metric_namespace="a",
metric_subsystem="b",
)).add(
metrics.response_size(
should_include_handler=True,
should_include_method=False,
should_include_status=True,
metric_namespace="namespace",
metric_subsystem="subsystem",
))
@app.exception_handler(UnicornException)
async def unicorn_exception_handler(request: Request, exc: UnicornException):
return JSONResponse(
