admin: lower log level to Debug for /metrics requests (#3749)

* admin: lower log level to Debug for /metrics requests

Signed-off-by: Dave Henderson <[email protected]>

* Apply suggestions from code review

Co-authored-by: Matt Holt <[email protected]>

Co-authored-by: Matt Holt <[email protected]>

1 files changed, 6 insertions, 1 deletions

diff --git a/admin.go b/admin.go
index b2eb54237..8ac12fdac 100644
--- a/admin.go
+++ b/admin.go
@@ -311,13 +311,18 @@ type adminHandler struct {
 // ServeHTTP is the external entry point for API requests.
 // It will only be called once per request.
 func (h adminHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	Log().Named("admin.api").Info("received request",
+	log := Log().Named("admin.api").With(
 		zap.String("method", r.Method),
 		zap.String("host", r.Host),
 		zap.String("uri", r.RequestURI),
 		zap.String("remote_addr", r.RemoteAddr),
 		zap.Reflect("headers", r.Header),
 	)
+	if r.RequestURI == "/metrics" {
+		log.Debug("received request")
+	} else {
+		log.Info("received request")
+	}
 	h.serveHTTP(w, r)
 }