feat : v1.3.0 добавил экспорт метрик для Prometheus

app/api.py

@@ -9,6 +9,7 @@ from fastapi.responses import FileResponse, JSONResponse, RedirectResponse
 from fastapi.staticfiles import StaticFiles
 from pathlib import Path as FilePath
 from app.qingping.service import QingpingService
+from app.metrics import PrometheusMetricsService
 
 from app.my_dataclasses import (
     TION_MAC,
@@ -92,6 +93,8 @@ schedule_load_error: str | None = None
 auto_controller: AutoController | None = None
 auto_load_error: str | None = None
 
+metrics_service: PrometheusMetricsService | None = None
+
 # ----------------------------------------------------------------------
 # Application lifecycle
 # ----------------------------------------------------------------------
@@ -102,6 +105,7 @@ async def lifespan(app: FastAPI):
     global schedule_load_error
     global auto_controller
     global auto_load_error
+    global metrics_service
 
     await service.start()
     await qingping_service.start()
@@ -167,9 +171,32 @@ async def lifespan(app: FastAPI):
         except Exception as exc:
             schedule_service = None
             schedule_load_error = f"{type(exc).__name__}: {exc}"
+
+        try:
+            metrics_service = PrometheusMetricsService(
+                tion_service=service,
+                qingping_service=qingping_service,
+                schedule_service=schedule_service,
+                auto_controller=auto_controller,
+                output_path=(
+                    "/var/lib/prometheus/"
+                    "node-exporter/"
+                    "climatcontroller.prom"
+                ),
+                interval=5.0,
+            )
+            await metrics_service.start()
+
+        except Exception:
+            logging.getLogger(__name__).exception("Could not start Prometheus metrics service")
+            metrics_service = None
+
         yield
 
     finally:
+        if metrics_service is not None:
+            await metrics_service.stop()
+            
         if schedule_service is not None:
             await schedule_service.stop()