vendor: revendor metrics-server, custom-metrics-apiserver

vendor/k8s.io/apiserver/pkg/storage/etcd3/metrics/metrics.go

@@ -49,6 +49,14 @@ var (
 		},
 		[]string{"resource"},
 	)
+	dbTotalSize = compbasemetrics.NewGaugeVec(
+		&compbasemetrics.GaugeOpts{
+			Name:           "etcd_db_total_size_in_bytes",
+			Help:           "Total size of the etcd database file physically allocated in bytes.",
+			StabilityLevel: compbasemetrics.ALPHA,
+		},
+		[]string{"endpoint"},
+	)
 )
 
 var registerMetrics sync.Once
@@ -59,6 +67,7 @@ func Register() {
 	registerMetrics.Do(func() {
 		legacyregistry.MustRegister(etcdRequestLatency)
 		legacyregistry.MustRegister(objectCounts)
+		legacyregistry.MustRegister(dbTotalSize)
 	})
 }
 
@@ -81,3 +90,8 @@ func Reset() {
 func sinceInSeconds(start time.Time) float64 {
 	return time.Since(start).Seconds()
 }
+
+// UpdateEtcdDbSize sets the etcd_db_total_size_in_bytes metric.
+func UpdateEtcdDbSize(ep string, size int64) {
+	dbTotalSize.WithLabelValues(ep).Set(float64(size))
+}