update dependencies

Signed-off-by: hongming <talonwan@yunify.com>

vendor/sigs.k8s.io/controller-runtime/pkg/webhook/internal/certwatcher/certwatcher.go

@@ -20,7 +20,7 @@ import (
 	"crypto/tls"
 	"sync"
 
-	"gopkg.in/fsnotify.v1"
+	"github.com/fsnotify/fsnotify"
 	logf "sigs.k8s.io/controller-runtime/pkg/internal/log"
 )
 

vendor/sigs.k8s.io/controller-runtime/pkg/webhook/internal/metrics/metrics.go

@@ -23,16 +23,6 @@ import (
 )
 
 var (
-	// TotalRequests is a prometheus metric which counts the total number of requests that
-	// the webhook server has received.
-	TotalRequests = prometheus.NewCounterVec(
-		prometheus.CounterOpts{
-			Name: "controller_runtime_webhook_requests_total",
-			Help: "Total number of admission requests",
-		},
-		[]string{"webhook", "succeeded"},
-	)
-
 	// RequestLatency is a prometheus metric which is a histogram of the latency
 	// of processing admission requests.
 	RequestLatency = prometheus.NewHistogramVec(
@@ -42,10 +32,30 @@ var (
 		},
 		[]string{"webhook"},
 	)
+
+	// RequestTotal is a prometheus metric which is a counter of the total processed admission requests.
+	RequestTotal = func() *prometheus.CounterVec {
+		return prometheus.NewCounterVec(
+			prometheus.CounterOpts{
+				Name: "controller_runtime_webhook_requests_total",
+				Help: "Total number of admission requests by HTTP status code.",
+			},
+			[]string{"webhook", "code"},
+		)
+	}()
+
+	// RequestInFlight is a prometheus metric which is a gauge of the in-flight admission requests.
+	RequestInFlight = func() *prometheus.GaugeVec {
+		return prometheus.NewGaugeVec(
+			prometheus.GaugeOpts{
+				Name: "controller_runtime_webhook_requests_in_flight",
+				Help: "Current number of admission requests being served.",
+			},
+			[]string{"webhook"},
+		)
+	}()
 )
 
 func init() {
-	metrics.Registry.MustRegister(
-		TotalRequests,
-		RequestLatency)
+	metrics.Registry.MustRegister(RequestLatency, RequestTotal, RequestInFlight)
 }