mirror of
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83 lines
3.3 KiB
Python
83 lines
3.3 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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"""In-memory telemetry collector for library-client tests."""
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import opentelemetry.metrics as otel_metrics
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import opentelemetry.trace as otel_trace
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from opentelemetry import metrics, trace
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from opentelemetry.sdk.metrics import MeterProvider
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from opentelemetry.sdk.metrics.export import InMemoryMetricReader
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from opentelemetry.sdk.trace import TracerProvider
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from opentelemetry.sdk.trace.export import SimpleSpanProcessor
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from opentelemetry.sdk.trace.export.in_memory_span_exporter import InMemorySpanExporter
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from .base import BaseTelemetryCollector, MetricStub, SpanStub
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# TODO: Fix thi to work with Automatic Instrumentation
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class InMemoryTelemetryCollector(BaseTelemetryCollector):
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"""In-memory telemetry collector for library-client tests.
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Converts OpenTelemetry span objects to SpanStub objects to ensure
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consistent interface with OTLP collector used in server mode.
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"""
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def __init__(self, span_exporter: InMemorySpanExporter, metric_reader: InMemoryMetricReader) -> None:
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super().__init__()
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self._span_exporter = span_exporter
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self._metric_reader = metric_reader
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def _snapshot_spans(self) -> tuple[SpanStub, ...]:
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spans = []
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for span in self._span_exporter.get_finished_spans():
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spans.append(self._create_span_stub_from_opentelemetry(span))
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return tuple(spans)
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def _snapshot_metrics(self) -> tuple[MetricStub, ...] | None:
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data = self._metric_reader.get_metrics_data()
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if not data or not data.resource_metrics:
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return None
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metric_stubs = []
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for resource_metric in data.resource_metrics:
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if resource_metric.scope_metrics:
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for scope_metric in resource_metric.scope_metrics:
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for metric in scope_metric.metrics:
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metric_stub = self._extract_metric_from_opentelemetry(metric)
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if metric_stub:
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metric_stubs.append(metric_stub)
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return tuple(metric_stubs) if metric_stubs else None
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def _clear_impl(self) -> None:
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self._span_exporter.clear()
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self._metric_reader.get_metrics_data()
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class InMemoryTelemetryManager:
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def __init__(self) -> None:
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if hasattr(otel_trace, "_TRACER_PROVIDER_SET_ONCE"):
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otel_trace._TRACER_PROVIDER_SET_ONCE._done = False # type: ignore[attr-defined]
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if hasattr(otel_metrics, "_METER_PROVIDER_SET_ONCE"):
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otel_metrics._METER_PROVIDER_SET_ONCE._done = False # type: ignore[attr-defined]
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span_exporter = InMemorySpanExporter()
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tracer_provider = TracerProvider()
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tracer_provider.add_span_processor(SimpleSpanProcessor(span_exporter))
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trace.set_tracer_provider(tracer_provider)
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metric_reader = InMemoryMetricReader()
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meter_provider = MeterProvider(metric_readers=[metric_reader])
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metrics.set_meter_provider(meter_provider)
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self.collector = InMemoryTelemetryCollector(span_exporter, metric_reader)
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self._tracer_provider = tracer_provider
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self._meter_provider = meter_provider
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def shutdown(self) -> None:
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self._tracer_provider.shutdown()
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self._meter_provider.shutdown()
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