007 add telemetry

app/observability/setup.py

@@ -0,0 +1,26 @@
+"""High-level observability setup wiring."""
+
+from fastapi import FastAPI
+
+from app.config import ObservabilityConfig
+from app.observability.logging import configure_structured_logging
+from app.observability.metrics import setup_metrics
+from app.observability.tracing import (
+    instrument_fastapi_app,
+    instrument_httpx_client,
+    setup_tracing,
+)
+
+
+def setup_observability(app: FastAPI, config: ObservabilityConfig) -> None:
+    configure_structured_logging(config.log_level)
+    setup_tracing(
+        service_name=config.service_name,
+        otlp_endpoint=config.otlp_endpoint,
+    )
+    setup_metrics(
+        service_name=config.service_name,
+        otlp_endpoint=config.otlp_endpoint,
+    )
+    instrument_fastapi_app(app)
+    instrument_httpx_client()