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