Do not include "code" for latency

This created to much noise and broke BC.

Author: boekkooi-fresh

pkg/webhook/internal/metrics/metrics.go

@@ -30,7 +30,7 @@ var (
 			Name: "controller_runtime_webhook_latency_seconds",
 			Help: "Histogram of the latency of processing admission requests",
 		},
-		[]string{"webhook", "code"},
+		[]string{"webhook"},
 	)
 
 	// RequestTotal is a prometheus metric which is a counter of the total processed admission requests.

pkg/webhook/server.go

@@ -131,8 +131,6 @@ func instrumentedHook(path string, hookRaw http.Handler) http.Handler {
 	gge := metrics.RequestInFlight.With(lbl)
 
 	// Initialize the most likely HTTP status codes.
-	lat.WithLabelValues("200")
-	lat.WithLabelValues("500")
 	cnt.WithLabelValues("200")
 	cnt.WithLabelValues("500")