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observe_config_controller.go
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observe_config_controller.go
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package configobservercontroller
import (
"k8s.io/apimachinery/pkg/util/sets"
kubeinformers "k8s.io/client-go/informers"
"k8s.io/client-go/tools/cache"
configv1 "github.com/openshift/api/config/v1"
configinformers "github.com/openshift/client-go/config/informers/externalversions"
operatorv1informers "github.com/openshift/client-go/operator/informers/externalversions"
"github.com/openshift/library-go/pkg/controller/factory"
"github.com/openshift/library-go/pkg/operator/configobserver"
"github.com/openshift/library-go/pkg/operator/configobserver/featuregates"
"github.com/openshift/library-go/pkg/operator/events"
"github.com/openshift/library-go/pkg/operator/v1helpers"
"github.com/openshift/cluster-openshift-controller-manager-operator/pkg/operator/configobservation"
"github.com/openshift/cluster-openshift-controller-manager-operator/pkg/operator/configobservation/builds"
"github.com/openshift/cluster-openshift-controller-manager-operator/pkg/operator/configobservation/controllers"
"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"
)
// NewConfigObserver initializes a new configuration observer.
func NewConfigObserver(
operatorClient v1helpers.OperatorClient,
operatorConfigInformers operatorv1informers.SharedInformerFactory,
configInformers configinformers.SharedInformerFactory,
kubeInformersForOperatorNamespace kubeinformers.SharedInformerFactory,
featureGateAccessor featuregates.FeatureGateAccess,
eventRecorder events.Recorder,
buildEnabled bool,
) factory.Controller {
informersSynced := []cache.InformerSynced{
configInformers.Config().V1().Images().Informer().HasSynced,
configInformers.Config().V1().Networks().Informer().HasSynced,
configInformers.Config().V1().ClusterVersions().Informer().HasSynced,
configInformers.Config().V1().ClusterOperators().Informer().HasSynced,
kubeInformersForOperatorNamespace.Core().V1().ConfigMaps().Informer().HasSynced,
operatorConfigInformers.Operator().V1().OpenShiftControllerManagers().Informer().HasSynced,
}
if buildEnabled {
informersSynced = append(informersSynced, configInformers.Config().V1().Builds().Informer().HasSynced)
}
configObservationListers := configobservation.Listers{
ImageConfigLister: configInformers.Config().V1().Images().Lister(),
NetworkLister: configInformers.Config().V1().Networks().Lister(),
FeatureGateLister_: configInformers.Config().V1().FeatureGates().Lister(),
ClusterVersionLister: configInformers.Config().V1().ClusterVersions().Lister(),
ClusterOperatorLister: configInformers.Config().V1().ClusterOperators().Lister(),
ConfigMapLister: kubeInformersForOperatorNamespace.Core().V1().ConfigMaps().Lister(),
PreRunCachesSynced: informersSynced,
}
observerFuncs := []configobserver.ObserveConfigFunc{
images.ObserveInternalRegistryHostname,
images.ObserveExternalRegistryHostnames,
network.ObserveExternalIPAutoAssignCIDRs,
deployimages.ObserveControllerManagerImagesConfig,
controllers.ObserveControllers,
featuregates.NewObserveFeatureFlagsFunc(
sets.New[configv1.FeatureGateName]("BuildCSIVolumes"),
nil,
[]string{"featureGates"},
featureGateAccessor,
),
}
if buildEnabled {
configObservationListers.BuildConfigLister = configInformers.Config().V1().Builds().Lister()
observerFuncs = append(observerFuncs, builds.ObserveBuildControllerConfig)
}
c := configobserver.NewConfigObserver(
operatorClient,
eventRecorder,
configObservationListers,
[]factory.Informer{operatorConfigInformers.Operator().V1().OpenShiftControllerManagers().Informer()},
observerFuncs...,
)
return c
}