Send metrics to count endpoints with method and status

kinto/core/initialization.py

@@ -481,6 +481,16 @@ def on_new_response(event):
             auth, user_id = user_id.split(":")
             metrics_service.count("users", unique=[("auth", auth), ("userid", user_id)])
 
+        # Count served requests.
+        metrics_service.count(
+            "request_summary",
+            unique=[
+                ("method", request.method.lower()),
+                ("endpoint", utils.strip_uri_prefix(request.path)),
+                ("status", str(request.response.status_code)),
+            ],
+        )
+
         # Count authentication verifications.
         if hasattr(request, "authn_type"):
             metrics_service.count(f"authn_type.{request.authn_type}")

tests/core/test_initialization.py

@@ -404,6 +404,15 @@ def test_statsd_counts_nothing_on_anonymous_requests(self):
         app.get("/")
         self.assertFalse(self.mocked.count.called)
 
+    def test_statsd_counts_endpoints(self):
+        kinto.core.initialize(self.config, "0.0.1", "settings_prefix")
+        app = webtest.TestApp(self.config.make_wsgi_app())
+        app.get("/v0/__heartbeat__")
+        self.mocked().count.assert_any_call(
+            "request_summary",
+            [("method", "get"), ("endpoint", "/__heartbeat__"), ("status", "200")],
+        )
+
     def test_statsd_counts_views_and_methods(self):
         kinto.core.initialize(self.config, "0.0.1", "settings_prefix")
         app = webtest.TestApp(self.config.make_wsgi_app())