BUILD-281: add library-go watch/update of new OCM feature gate field

go.mod

@@ -6,10 +6,10 @@ require (
 	github.com/ghodss/yaml v1.0.0
 	github.com/go-bindata/go-bindata v3.1.2+incompatible
 	github.com/google/gofuzz v1.2.0 // indirect
-	github.com/openshift/api v0.0.0-20210831091943-07e756545ac1
+	github.com/openshift/api v0.0.0-20210927171657-636513e97fda
 	github.com/openshift/build-machinery-go v0.0.0-20210806203541-4ea9b6da3a37
-	github.com/openshift/client-go v0.0.0-20210831095141-e19a065e79f7
-	github.com/openshift/library-go v0.0.0-20210909124717-1c18e732a117
+	github.com/openshift/client-go v0.0.0-20210916133943-9acee1a0fb83
+	github.com/openshift/library-go v0.0.0-20210929123655-f91754363286
 	github.com/prometheus/client_golang v1.11.0
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/pflag v1.0.5

pkg/operator/configobservation/configobservercontroller/observe_config_controller.go

@@ -1,6 +1,7 @@
 package configobservercontroller
 
 import (
+	"k8s.io/apimachinery/pkg/util/sets"
 	kubeinformers "k8s.io/client-go/informers"
 	"k8s.io/client-go/tools/cache"
 
@@ -16,6 +17,7 @@ import (
 	"github.com/openshift/cluster-openshift-controller-manager-operator/pkg/operator/configobservation/deployimages"
 	"github.com/openshift/cluster-openshift-controller-manager-operator/pkg/operator/configobservation/images"
 	"github.com/openshift/cluster-openshift-controller-manager-operator/pkg/operator/configobservation/network"
+	"github.com/openshift/library-go/pkg/operator/configobserver/featuregates"
 )
 
 // NewConfigObserver initializes a new configuration observer.
@@ -30,10 +32,11 @@ func NewConfigObserver(
 		operatorClient,
 		eventRecorder,
 		configobservation.Listers{
-			ImageConfigLister: configInformers.Config().V1().Images().Lister(),
-			BuildConfigLister: configInformers.Config().V1().Builds().Lister(),
-			NetworkLister:     configInformers.Config().V1().Networks().Lister(),
-			ConfigMapLister:   kubeInformersForOperatorNamespace.Core().V1().ConfigMaps().Lister(),
+			ImageConfigLister:  configInformers.Config().V1().Images().Lister(),
+			BuildConfigLister:  configInformers.Config().V1().Builds().Lister(),
+			NetworkLister:      configInformers.Config().V1().Networks().Lister(),
+			FeatureGateLister_: configInformers.Config().V1().FeatureGates().Lister(),
+			ConfigMapLister:    kubeInformersForOperatorNamespace.Core().V1().ConfigMaps().Lister(),
 			PreRunCachesSynced: []cache.InformerSynced{
 				configInformers.Config().V1().Builds().Informer().HasSynced,
 				configInformers.Config().V1().Images().Informer().HasSynced,
@@ -48,6 +51,7 @@ func NewConfigObserver(
 		builds.ObserveBuildControllerConfig,
 		network.ObserveExternalIPAutoAssignCIDRs,
 		deployimages.ObserveControllerManagerImagesConfig,
+		featuregates.NewObserveFeatureFlagsFunc(sets.NewString("BuildCSIVolumes"), sets.String{}, []string{"featureGates"}),
 	)
 
 	return c

pkg/operator/configobservation/interfaces.go

@@ -13,6 +13,7 @@ type Listers struct {
 	BuildConfigLister  configlistersv1.BuildLister
 	ConfigMapLister    corelistersv1.ConfigMapLister
 	NetworkLister      configlistersv1.NetworkLister
+	FeatureGateLister_ configlistersv1.FeatureGateLister
 	PreRunCachesSynced []cache.InformerSynced
 }
 
@@ -23,3 +24,7 @@ func (l Listers) ResourceSyncer() resourcesynccontroller.ResourceSyncer {
 func (l Listers) PreRunHasSynced() []cache.InformerSynced {
 	return l.PreRunCachesSynced
 }
+
+func (l Listers) FeatureGateLister() configlistersv1.FeatureGateLister {
+	return l.FeatureGateLister_
+}