Merge pull request #2343 from marquiz/devel/topology-updater-metrics

topology-updater: fix metrics endpoint

Author: k8s-ci-robot

pkg/nfd-topology-updater/nfd-topology-updater.go

@@ -35,6 +35,7 @@ import (
 	"github.com/k8stopologyawareschedwg/noderesourcetopology-api/pkg/apis/topology/v1alpha2"
 	topologyclientset "github.com/k8stopologyawareschedwg/noderesourcetopology-api/pkg/generated/clientset/versioned"
 	"github.com/prometheus/client_golang/prometheus"
+	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"sigs.k8s.io/node-feature-discovery/pkg/nfd-topology-updater/kubeletnotifier"
 	"sigs.k8s.io/node-feature-discovery/pkg/podres"
 	"sigs.k8s.io/node-feature-discovery/pkg/resourcemonitor"
@@ -171,6 +172,7 @@ func (w *nfdTopologyUpdater) Run() error {
 	promRegistry.MustRegister(
 		buildInfo,
 		scanErrors)
+	httpMux.Handle("/metrics", promhttp.HandlerFor(promRegistry, promhttp.HandlerOpts{}))
 	registerVersion(version.Get())
 
 	var resScan resourcemonitor.ResourcesScanner