mirror of
https://github.com/open-cluster-management-io/ocm.git
synced 2026-05-09 18:57:35 +00:00
100 lines
3.2 KiB
Go
100 lines
3.2 KiB
Go
package hub
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import (
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"context"
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"net/http"
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"time"
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"github.com/openshift/library-go/pkg/controller/controllercmd"
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"k8s.io/apiserver/pkg/server/mux"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/tools/events"
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"k8s.io/utils/clock"
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clusterclient "open-cluster-management.io/api/client/cluster/clientset/versioned"
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clusterscheme "open-cluster-management.io/api/client/cluster/clientset/versioned/scheme"
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clusterinformers "open-cluster-management.io/api/client/cluster/informers/externalversions"
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"open-cluster-management.io/ocm/pkg/placement/controllers/metrics"
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"open-cluster-management.io/ocm/pkg/placement/controllers/scheduling"
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"open-cluster-management.io/ocm/pkg/placement/debugger"
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)
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// RunControllerManager starts the controllers on hub to make placement decisions.
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func RunControllerManager(ctx context.Context, controllerContext *controllercmd.ControllerContext) error {
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clusterClient, err := clusterclient.NewForConfig(controllerContext.KubeConfig)
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if err != nil {
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return err
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}
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kubeClient, err := kubernetes.NewForConfig(controllerContext.KubeConfig)
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if err != nil {
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return err
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}
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clusterInformers := clusterinformers.NewSharedInformerFactory(clusterClient, 10*time.Minute)
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return RunControllerManagerWithInformers(ctx, controllerContext, kubeClient, clusterClient, clusterInformers)
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}
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func RunControllerManagerWithInformers(
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ctx context.Context,
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controllerContext *controllercmd.ControllerContext,
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kubeClient kubernetes.Interface,
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clusterClient clusterclient.Interface,
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clusterInformers clusterinformers.SharedInformerFactory,
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) error {
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broadcaster := events.NewBroadcaster(&events.EventSinkImpl{Interface: kubeClient.EventsV1()})
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if err := broadcaster.StartRecordingToSinkWithContext(ctx); err != nil {
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return err
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}
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recorder := broadcaster.NewRecorder(clusterscheme.Scheme, "placementController")
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metrics := metrics.NewScheduleMetrics(clock.RealClock{})
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scheduler := scheduling.NewPluginScheduler(
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scheduling.NewSchedulerHandler(
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clusterClient,
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clusterInformers.Cluster().V1beta1().PlacementDecisions().Lister(),
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clusterInformers.Cluster().V1alpha1().AddOnPlacementScores().Lister(),
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clusterInformers.Cluster().V1().ManagedClusters().Lister(),
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recorder, metrics),
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)
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if controllerContext.Server != nil {
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debug := debugger.NewDebugger(
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scheduler,
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clusterInformers.Cluster().V1beta1().Placements(),
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clusterInformers.Cluster().V1().ManagedClusters(),
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)
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installDebugger(controllerContext.Server.Handler.NonGoRestfulMux, debug)
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}
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schedulingController := scheduling.NewSchedulingController(
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ctx,
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clusterClient,
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clusterInformers.Cluster().V1().ManagedClusters(),
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clusterInformers.Cluster().V1beta2().ManagedClusterSets(),
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clusterInformers.Cluster().V1beta2().ManagedClusterSetBindings(),
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clusterInformers.Cluster().V1beta1().Placements(),
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clusterInformers.Cluster().V1beta1().PlacementDecisions(),
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clusterInformers.Cluster().V1alpha1().AddOnPlacementScores(),
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scheduler,
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controllerContext.EventRecorder, recorder, metrics,
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)
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go clusterInformers.Start(ctx.Done())
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go schedulingController.Run(ctx, 1)
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<-ctx.Done()
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return nil
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}
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func installDebugger(mux *mux.PathRecorderMux, d *debugger.Debugger) {
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mux.HandlePrefix(debugger.DebugPath, http.HandlerFunc(d.Handler))
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}
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