Add scheme as struct member for tracker

Author: Karthik-K-N

controllers/external/tracker.go

@@ -39,10 +39,11 @@ type ObjectTracker struct {
 
 	Controller controller.Controller
 	Cache      cache.Cache
+	Scheme     *runtime.Scheme
 }
 
 // Watch uses the controller to issue a Watch only if the object hasn't been seen before.
-func (o *ObjectTracker) Watch(scheme *runtime.Scheme, log logr.Logger, obj client.Object, handler handler.EventHandler, p ...predicate.Predicate) error {
+func (o *ObjectTracker) Watch(log logr.Logger, obj client.Object, handler handler.EventHandler, p ...predicate.Predicate) error {
 	// Consider this a no-op if the controller isn't present.
 	if o.Controller == nil {
 		return nil
@@ -59,7 +60,7 @@ func (o *ObjectTracker) Watch(scheme *runtime.Scheme, log logr.Logger, obj clien
 		o.Cache,
 		obj.DeepCopyObject().(client.Object),
 		handler,
-		append(p, predicates.ResourceNotPaused(scheme, log))...,
+		append(p, predicates.ResourceNotPaused(o.Scheme, log))...,
 	))
 	if err != nil {
 		o.m.Delete(key)

controllers/external/tracker_test.go

@@ -23,7 +23,6 @@ import (
 	. "github.com/onsi/gomega"
 	"github.com/pkg/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-	"k8s.io/apimachinery/pkg/runtime"
 	"sigs.k8s.io/controller-runtime/pkg/controller"
 	"sigs.k8s.io/controller-runtime/pkg/log"
 	"sigs.k8s.io/controller-runtime/pkg/source"
@@ -67,12 +66,11 @@ func TestRetryWatch(t *testing.T) {
 	ctrl := newWatchCountController(true)
 	tracker := ObjectTracker{Controller: ctrl}
 
-	scheme := runtime.NewScheme()
-	err := tracker.Watch(scheme, logger, &clusterv1.Cluster{}, nil)
+	err := tracker.Watch(logger, &clusterv1.Cluster{}, nil)
 	g.Expect(err).To(HaveOccurred())
 	g.Expect(ctrl.count).Should(Equal(1))
 	// Calling Watch on same Object kind that failed earlier should be retryable.
-	err = tracker.Watch(scheme, logger, &clusterv1.Cluster{}, nil)
+	err = tracker.Watch(logger, &clusterv1.Cluster{}, nil)
 	g.Expect(err).To(HaveOccurred())
 	g.Expect(ctrl.count).Should(Equal(2))
 }
@@ -88,12 +86,11 @@ func TestWatchMultipleTimes(t *testing.T) {
 			APIVersion: clusterv1.GroupVersion.Version,
 		},
 	}
-	scheme := runtime.NewScheme()
-	err := tracker.Watch(scheme, logger, obj, nil)
+	err := tracker.Watch(logger, obj, nil)
 	g.Expect(err).ToNot(HaveOccurred())
 	g.Expect(ctrl.count).Should(Equal(1))
 	// Calling Watch on same Object kind should not register watch again.
-	err = tracker.Watch(scheme, logger, obj, nil)
+	err = tracker.Watch(logger, obj, nil)
 	g.Expect(err).ToNot(HaveOccurred())
 	g.Expect(ctrl.count).Should(Equal(1))
 }

exp/internal/controllers/machinepool_controller.go

@@ -130,6 +130,7 @@ func (r *MachinePoolReconciler) SetupWithManager(ctx context.Context, mgr ctrl.M
 	r.externalTracker = external.ObjectTracker{
 		Controller: c,
 		Cache:      mgr.GetCache(),
+		Scheme:     mgr.GetScheme(),
 	}
 	r.ssaCache = ssa.NewCache()
 

exp/internal/controllers/machinepool_controller_phases.go

@@ -123,7 +123,7 @@ func (r *MachinePoolReconciler) reconcileExternal(ctx context.Context, cluster *
 	}
 
 	// Ensure we add a watch to the external object, if there isn't one already.
-	if err := r.externalTracker.Watch(r.Client.Scheme(), log, obj, handler.EnqueueRequestForOwner(r.Client.Scheme(), r.Client.RESTMapper(), &expv1.MachinePool{})); err != nil {
+	if err := r.externalTracker.Watch(log, obj, handler.EnqueueRequestForOwner(r.Client.Scheme(), r.Client.RESTMapper(), &expv1.MachinePool{})); err != nil {
 		return external.ReconcileOutput{}, err
 	}
 
@@ -379,7 +379,7 @@ func (r *MachinePoolReconciler) reconcileMachines(ctx context.Context, s *scope,
 	sampleInfraMachine.SetKind(infraMachineKind)
 
 	// Add watcher for infraMachine, if there isn't one already.
-	if err := r.externalTracker.Watch(r.Client.Scheme(), log, sampleInfraMachine, handler.EnqueueRequestsFromMapFunc(r.infraMachineToMachinePoolMapper)); err != nil {
+	if err := r.externalTracker.Watch(log, sampleInfraMachine, handler.EnqueueRequestsFromMapFunc(r.infraMachineToMachinePoolMapper)); err != nil {
 		return err
 	}
 

internal/controllers/cluster/cluster_controller.go

@@ -99,6 +99,7 @@ func (r *Reconciler) SetupWithManager(ctx context.Context, mgr ctrl.Manager, opt
 	r.externalTracker = external.ObjectTracker{
 		Controller: c,
 		Cache:      mgr.GetCache(),
+		Scheme:     mgr.GetScheme(),
 	}
 	return nil
 }

internal/controllers/cluster/cluster_controller_phases.go

@@ -93,7 +93,7 @@ func (r *Reconciler) reconcileExternal(ctx context.Context, cluster *clusterv1.C
 	}
 
 	// Ensure we add a watcher to the external object.
-	if err := r.externalTracker.Watch(r.Client.Scheme(), log, obj, handler.EnqueueRequestForOwner(r.Client.Scheme(), r.Client.RESTMapper(), &clusterv1.Cluster{})); err != nil {
+	if err := r.externalTracker.Watch(log, obj, handler.EnqueueRequestForOwner(r.Client.Scheme(), r.Client.RESTMapper(), &clusterv1.Cluster{})); err != nil {
 		return external.ReconcileOutput{}, err
 	}
 

internal/controllers/machine/machine_controller.go

@@ -151,6 +151,7 @@ func (r *Reconciler) SetupWithManager(ctx context.Context, mgr ctrl.Manager, opt
 	r.externalTracker = external.ObjectTracker{
 		Controller: c,
 		Cache:      mgr.GetCache(),
+		Scheme:     mgr.GetScheme(),
 	}
 	r.ssaCache = ssa.NewCache()
 	r.drainCache = drain.NewCache()

internal/controllers/machine/machine_controller_phases.go

@@ -135,7 +135,7 @@ func (r *Reconciler) ensureExternalOwnershipAndWatch(ctx context.Context, cluste
 	}
 
 	// Ensure we add a watch to the external object, if there isn't one already.
-	if err := r.externalTracker.Watch(r.Client.Scheme(), log, obj, handler.EnqueueRequestForOwner(r.Client.Scheme(), r.Client.RESTMapper(), &clusterv1.Machine{})); err != nil {
+	if err := r.externalTracker.Watch(log, obj, handler.EnqueueRequestForOwner(r.Client.Scheme(), r.Client.RESTMapper(), &clusterv1.Machine{})); err != nil {
 		return external.ReconcileOutput{}, err
 	}
 

internal/controllers/topology/cluster/cluster_controller.go

@@ -121,6 +121,7 @@ func (r *Reconciler) SetupWithManager(ctx context.Context, mgr ctrl.Manager, opt
 	r.externalTracker = external.ObjectTracker{
 		Controller: c,
 		Cache:      mgr.GetCache(),
+		Scheme:     mgr.GetScheme(),
 	}
 	r.desiredStateGenerator = desiredstate.NewGenerator(r.Client, r.Tracker, r.RuntimeClient)
 	r.recorder = mgr.GetEventRecorderFor("topology/cluster-controller")
@@ -295,15 +296,15 @@ func (r *Reconciler) reconcile(ctx context.Context, s *scope.Scope) (ctrl.Result
 // setupDynamicWatches create watches for InfrastructureCluster and ControlPlane CRs when they exist.
 func (r *Reconciler) setupDynamicWatches(ctx context.Context, s *scope.Scope) error {
 	if s.Current.InfrastructureCluster != nil {
-		if err := r.externalTracker.Watch(r.Client.Scheme(), ctrl.LoggerFrom(ctx), s.Current.InfrastructureCluster,
+		if err := r.externalTracker.Watch(ctrl.LoggerFrom(ctx), s.Current.InfrastructureCluster,
 			handler.EnqueueRequestForOwner(r.Client.Scheme(), r.Client.RESTMapper(), &clusterv1.Cluster{}),
 			// Only trigger Cluster reconciliation if the InfrastructureCluster is topology owned.
 			predicates.ResourceIsTopologyOwned(ctrl.LoggerFrom(ctx))); err != nil {
 			return errors.Wrap(err, "error watching Infrastructure CR")
 		}
 	}
 	if s.Current.ControlPlane.Object != nil {
-		if err := r.externalTracker.Watch(r.Client.Scheme(), ctrl.LoggerFrom(ctx), s.Current.ControlPlane.Object,
+		if err := r.externalTracker.Watch(ctrl.LoggerFrom(ctx), s.Current.ControlPlane.Object,
 			handler.EnqueueRequestForOwner(r.Client.Scheme(), r.Client.RESTMapper(), &clusterv1.Cluster{}),
 			// Only trigger Cluster reconciliation if the ControlPlane is topology owned.
 			predicates.ResourceIsTopologyOwned(ctrl.LoggerFrom(ctx))); err != nil {

test/infrastructure/docker/exp/internal/controllers/dockermachinepool_controller.go

@@ -201,6 +201,7 @@ func (r *DockerMachinePoolReconciler) SetupWithManager(ctx context.Context, mgr
 	r.externalTracker = external.ObjectTracker{
 		Controller: c,
 		Cache:      mgr.GetCache(),
+		Scheme:     mgr.GetScheme(),
 	}
 	r.ssaCache = ssa.NewCache()