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[Observability] feat: add metrics of http response (#18499)

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AichiB7A 2025-04-22 13:19:22 +08:00 committed by GitHub
parent 8e6ea4d117
commit de750a67ec
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1 changed files with 11 additions and 1 deletions
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12
api/extensions/ext_otel.py
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@ -14,7 +14,7 @@ from opentelemetry.exporter.otlp.proto.http.trace_exporter import OTLPSpanExport
from opentelemetry.instrumentation.celery import CeleryInstrumentor
from opentelemetry.instrumentation.flask import FlaskInstrumentor
from opentelemetry.instrumentation.sqlalchemy import SQLAlchemyInstrumentor
from opentelemetry.metrics import get_meter_provider, set_meter_provider
from opentelemetry.metrics import get_meter, get_meter_provider, set_meter_provider
from opentelemetry.propagate import set_global_textmap
from opentelemetry.propagators.b3 import B3Format
from opentelemetry.propagators.composite import CompositePropagator
@ -112,6 +112,11 @@ def is_celery_worker():
def init_flask_instrumentor(app: DifyApp):
meter = get_meter("http_metrics", version=dify_config.CURRENT_VERSION)
_http_response_counter = meter.create_counter(
"http.server.response.count", description="Total number of HTTP responses by status code", unit="{response}"
)
def response_hook(span: Span, status: str, response_headers: list):
if span and span.is_recording():
if status.startswith("2"):
@ -119,6 +124,11 @@ def init_flask_instrumentor(app: DifyApp):
else:
span.set_status(StatusCode.ERROR, status)
status = status.split(" ")[0]
status_code = int(status)
status_class = f"{status_code // 100}xx"
_http_response_counter.add(1, {"status_code": status_code, "status_class": status_class})
instrumentor = FlaskInstrumentor()
if dify_config.DEBUG:
logging.info("Initializing Flask instrumentor")