Merge pull request #5860 from tariq1890/variadic

pass multiple args to Registerer.MustRegister method

discovery/kubernetes/client_metrics.go

@@ -177,8 +177,10 @@ type clientGoRequestMetricAdapter struct{}
 
 func (f *clientGoRequestMetricAdapter) Register(registerer prometheus.Registerer) {
 	metrics.Register(f, f)
-	registerer.MustRegister(clientGoRequestResultMetricVec)
+	registerer.MustRegister(
-	registerer.MustRegister(clientGoRequestLatencyMetricVec)
+		clientGoRequestResultMetricVec,
+		clientGoRequestLatencyMetricVec,
+	)
 }
 func (clientGoRequestMetricAdapter) Increment(code string, method string, host string) {
 	clientGoRequestResultMetricVec.WithLabelValues(code).Inc()
@@ -192,15 +194,16 @@ type clientGoCacheMetricsProvider struct{}
 
 func (f *clientGoCacheMetricsProvider) Register(registerer prometheus.Registerer) {
 	cache.SetReflectorMetricsProvider(f)
-	registerer.MustRegister(clientGoCacheWatchesDurationMetric)
+	registerer.MustRegister(
-	registerer.MustRegister(clientGoCacheWatchesCountMetric)
+		clientGoCacheWatchesDurationMetric,
-	registerer.MustRegister(clientGoCacheListDurationMetric)
+		clientGoCacheWatchesCountMetric,
-	registerer.MustRegister(clientGoCacheListTotalMetric)
+		clientGoCacheListDurationMetric,
-	registerer.MustRegister(clientGoCacheLastResourceVersionMetric)
+		clientGoCacheListTotalMetric,
-	registerer.MustRegister(clientGoCacheShortWatchesCountMetric)
+		clientGoCacheLastResourceVersionMetric,
-	registerer.MustRegister(clientGoCacheItemsInWatchesCountMetric)
+		clientGoCacheShortWatchesCountMetric,
-	registerer.MustRegister(clientGoCacheItemsInListCountMetric)
+		clientGoCacheItemsInWatchesCountMetric,
-
+		clientGoCacheItemsInListCountMetric,
+	)
 }
 func (clientGoCacheMetricsProvider) NewListsMetric(name string) cache.CounterMetric {
 	return clientGoCacheListTotalMetric
@@ -232,12 +235,14 @@ type clientGoWorkqueueMetricsProvider struct{}
 
 func (f *clientGoWorkqueueMetricsProvider) Register(registerer prometheus.Registerer) {
 	workqueue.SetProvider(f)
-	registerer.MustRegister(clientGoWorkqueueDepthMetricVec)
+	registerer.MustRegister(
-	registerer.MustRegister(clientGoWorkqueueAddsMetricVec)
+		clientGoWorkqueueDepthMetricVec,
-	registerer.MustRegister(clientGoWorkqueueLatencyMetricVec)
+		clientGoWorkqueueAddsMetricVec,
-	registerer.MustRegister(clientGoWorkqueueWorkDurationMetricVec)
+		clientGoWorkqueueLatencyMetricVec,
-	registerer.MustRegister(clientGoWorkqueueUnfinishedWorkSecondsMetricVec)
+		clientGoWorkqueueWorkDurationMetricVec,
-	registerer.MustRegister(clientGoWorkqueueLongestRunningProcessorMetricVec)
+		clientGoWorkqueueUnfinishedWorkSecondsMetricVec,
+		clientGoWorkqueueLongestRunningProcessorMetricVec,
+	)
 }
 
 func (f *clientGoWorkqueueMetricsProvider) NewDepthMetric(name string) workqueue.GaugeMetric {