Merge pull request 'feat: enable metrics' (#65) from feature/add-metrics into dev

Reviewed-on: freeleaps/freeleaps-service-hub#65

apps/metrics/webapi/providers/metrics.py

@@ -1,18 +1,17 @@
 import logging
 from prometheus_fastapi_instrumentator import Instrumentator
 
-from common.config.site_settings import site_settings
-
 
 def register(app):
-  instrumentator = (
-      Instrumentator().instrument(
-        app,
-        metric_namespace="freeleaps-mertics",
-        metric_subsystem=site_settings.NAME)
-  )
+    # Prometheus metric prefix is : freeleaps_metrics
+    instrumentator = (
+        Instrumentator().instrument(
+            app,
+            metric_namespace="freeleaps",
+            metric_subsystem="metrics", )
+    )
 
-  @app.on_event("startup")
-  async def startup():
-    instrumentator.expose(app, endpoint="/api/_/metrics", should_gzip=True)
-    logging.info("Metrics endpoint exposed at /api/_/metrics")
+    @app.on_event("startup")
+    async def startup():
+        instrumentator.expose(app, endpoint="/api/_/metrics", should_gzip=True)
+        logging.info("Metrics endpoint exposed at /api/_/metrics")