llama-stack-mirror/tests/integration/telemetry/collectors/otlp.py
Eric Huang d9a4f016d0 tele tests
# What does this PR do?


## Test Plan
2025-10-27 14:58:14 -07:00

114 lines
4.4 KiB
Python

# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.
"""OTLP HTTP telemetry collector used for server-mode tests."""
import gzip
import threading
from http.server import BaseHTTPRequestHandler, HTTPServer
from socketserver import ThreadingMixIn
from typing import Any
from opentelemetry.proto.collector.metrics.v1.metrics_service_pb2 import ExportMetricsServiceRequest
from opentelemetry.proto.collector.trace.v1.trace_service_pb2 import ExportTraceServiceRequest
from .base import BaseTelemetryCollector, SpanStub, attributes_to_dict, events_to_list
class OtlpHttpTestCollector(BaseTelemetryCollector):
def __init__(self) -> None:
self._spans: list[SpanStub] = []
self._metrics: list[Any] = []
self._lock = threading.Lock()
class _CollectorHandler(BaseHTTPRequestHandler):
def do_POST(self_inner): # noqa: N802 (handler signature)
collector: OtlpHttpTestCollector = self_inner.server.collector # type: ignore[attr-defined]
length = int(self_inner.headers.get("content-length", "0"))
body = self_inner.rfile.read(length)
if self_inner.headers.get("content-encoding") == "gzip":
body = gzip.decompress(body)
if self_inner.path == "/v1/traces":
request = ExportTraceServiceRequest()
request.ParseFromString(body)
collector._handle_traces(request)
self_inner._respond_ok()
elif self_inner.path == "/v1/metrics":
request = ExportMetricsServiceRequest()
request.ParseFromString(body)
collector._handle_metrics(request)
self_inner._respond_ok()
else:
self_inner.send_response(404)
self_inner.end_headers()
def log_message(self_inner, format, *args): # noqa: A003 - suppress default logging
return
def _respond_ok(self_inner) -> None:
self_inner.send_response(200)
self_inner.end_headers()
class _ThreadingHTTPServer(ThreadingMixIn, HTTPServer):
daemon_threads = True
allow_reuse_address = True
self._server = _ThreadingHTTPServer(("127.0.0.1", 0), _CollectorHandler)
self._server.collector = self # type: ignore[attr-defined]
host, port = self._server.server_address[:2]
self.endpoint = f"http://{host}:{port}"
self._thread = threading.Thread(target=self._server.serve_forever, name="otel-test-collector", daemon=True)
self._thread.start()
def _handle_traces(self, request: ExportTraceServiceRequest) -> None:
new_spans: list[SpanStub] = []
for resource_spans in request.resource_spans:
resource_attrs = attributes_to_dict(resource_spans.resource.attributes)
for scope_spans in resource_spans.scope_spans:
for span in scope_spans.spans:
attributes = attributes_to_dict(span.attributes)
events = events_to_list(span.events) if span.events else None
new_spans.append(SpanStub(span.name, attributes, resource_attrs or None, events))
if not new_spans:
return
with self._lock:
self._spans.extend(new_spans)
def _handle_metrics(self, request: ExportMetricsServiceRequest) -> None:
new_metrics: list[Any] = []
for resource_metrics in request.resource_metrics:
for scope_metrics in resource_metrics.scope_metrics:
new_metrics.extend(scope_metrics.metrics)
if not new_metrics:
return
with self._lock:
self._metrics.extend(new_metrics)
def _snapshot_spans(self) -> tuple[SpanStub, ...]:
with self._lock:
return tuple(self._spans)
def _snapshot_metrics(self) -> Any | None:
with self._lock:
return list(self._metrics) if self._metrics else None
def _clear_impl(self) -> None:
with self._lock:
self._spans.clear()
self._metrics.clear()
def shutdown(self) -> None:
self._server.shutdown()
self._server.server_close()
self._thread.join(timeout=1)