ae5b3f89d1
- pyproject.toml with core deps and optional dep groups per service - shared/config.py: Pydantic BaseSettings with TRADING_ env prefix - shared/redis_streams.py: StreamPublisher/StreamConsumer wrappers - shared/telemetry.py: OpenTelemetry + Prometheus metric export - tests for Redis Streams helpers (5 passing)
21 lines
856 B
Python
21 lines
856 B
Python
"""OpenTelemetry setup with Prometheus metric export."""
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from opentelemetry import metrics
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from opentelemetry.exporter.prometheus import PrometheusMetricReader
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from opentelemetry.sdk.metrics import MeterProvider
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from prometheus_client import start_http_server
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def setup_telemetry(service_name: str, metrics_port: int = 9090) -> metrics.Meter:
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"""Initialise an OpenTelemetry MeterProvider backed by Prometheus.
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A Prometheus-compatible HTTP server is started on *metrics_port*
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so that an external Prometheus instance can scrape ``/metrics``.
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Returns a ``Meter`` that services use to create counters, histograms, etc.
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"""
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reader = PrometheusMetricReader()
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provider = MeterProvider(metric_readers=[reader])
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metrics.set_meter_provider(provider)
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start_http_server(metrics_port)
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return metrics.get_meter(service_name)
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