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feat(telemetry): fast api middleware for open telemetry

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This commit is contained in:
Emilio Garcia 2025-09-23 21:06:25 -04:00
parent 47d33a3555
commit ce3a804893
4 changed files with 141 additions and 12 deletions
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17
llama_stack/providers/inline/telemetry/meta_reference/telemetry.py
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@ -7,8 +7,11 @@
import datetime
import os
import threading
import logging
from typing import Any
from fastapi import FastAPI
from opentelemetry import metrics, trace
from opentelemetry.exporter.otlp.proto.http.metric_exporter import OTLPMetricExporter
from opentelemetry.exporter.otlp.proto.http.trace_exporter import OTLPSpanExporter
@ -17,8 +20,9 @@ from opentelemetry.sdk.metrics.export import PeriodicExportingMetricReader
from opentelemetry.sdk.resources import Resource
from opentelemetry.sdk.trace import TracerProvider
from opentelemetry.sdk.trace.export import BatchSpanProcessor
from opentelemetry.semconv.resource import ResourceAttributes
from opentelemetry.semconv.attributes import service_attributes
from opentelemetry.trace.propagation.tracecontext import TraceContextTextMapPropagator
from opentelemetry.instrumentation.fastapi import FastAPIInstrumentor
from llama_stack.apis.telemetry import (
Event,
@ -76,8 +80,8 @@ class TelemetryAdapter(TelemetryDatasetMixin, Telemetry):
self.meter = None
resource = Resource.create(
{
ResourceAttributes.SERVICE_NAME: self.config.service_name,
attributes={
service_attributes.SERVICE_NAME: self.config.service_name,
}
)
@ -98,7 +102,7 @@ class TelemetryAdapter(TelemetryDatasetMixin, Telemetry):
# The SDK will read OTEL_EXPORTER_OTLP_ENDPOINT and construct appropriate URLs
# https://opentelemetry.io/docs/languages/sdk-configuration/otlp-exporter
if TelemetrySink.OTEL_TRACE in self.config.sinks:
if not os.environ.get("OTEL_EXPORTER_OTLP_TRACES_ENDPOINT") or not os.environ.get(
if not os.environ.get("OTEL_EXPORTER_OTLP_TRACES_ENDPOINT") and not os.environ.get(
"OTEL_EXPORTER_OTLP_ENDPOINT"
):
logger.warning(
@ -109,7 +113,7 @@ class TelemetryAdapter(TelemetryDatasetMixin, Telemetry):
provider.add_span_processor(span_processor)
if TelemetrySink.OTEL_METRIC in self.config.sinks:
if not os.environ.get("OTEL_EXPORTER_OTLP_METRICS_ENDPOINT") or not os.environ.get(
if not os.environ.get("OTEL_EXPORTER_OTLP_METRICS_ENDPOINT") and not os.environ.get(
"OTEL_EXPORTER_OTLP_ENDPOINT"
):
logger.warning(
@ -372,3 +376,6 @@ class TelemetryAdapter(TelemetryDatasetMixin, Telemetry):
max_depth=max_depth,
)
)
def fastapi_middleware(self, app: FastAPI) -> None:
FastAPIInstrumentor.instrument_app(app)