add NewCache variable value for controllerMaanager

Signed-off-by: changzhen <[email protected]>

app/manager.go

@@ -9,17 +9,20 @@ import (
 	"github.com/karmada-io/karmada/pkg/sharedcli"
 	"github.com/karmada-io/karmada/pkg/sharedcli/klogflag"
 	"github.com/karmada-io/karmada/pkg/sharedcli/profileflag"
+	"github.com/karmada-io/karmada/pkg/util/fedinformer"
 	"github.com/karmada-io/karmada/pkg/util/fedinformer/genericmanager"
 	"github.com/karmada-io/karmada/pkg/util/gclient"
 	"github.com/karmada-io/karmada/pkg/util/restmapper"
 	"github.com/karmada-io/karmada/pkg/version"
 	"github.com/karmada-io/karmada/pkg/version/sharedcommand"
 	"github.com/spf13/cobra"
 	"k8s.io/client-go/dynamic"
+	"k8s.io/client-go/rest"
 	cliflag "k8s.io/component-base/cli/flag"
 	"k8s.io/component-base/term"
 	"k8s.io/klog/v2"
 	controllerruntime "sigs.k8s.io/controller-runtime"
+	"sigs.k8s.io/controller-runtime/pkg/cache"
 	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/healthz"
 
@@ -117,6 +120,10 @@ func Run(ctx context.Context, opts *options.MultiClusterControllerManagerOptions
 		BaseContext: func() context.Context {
 			return ctx
 		},
+		NewCache: func(config *rest.Config, opts cache.Options) (cache.Cache, error) {
+			opts.DefaultTransform = fedinformer.StripUnusedFields
+			return cache.New(config, opts)
+		},
 	})
 	if err != nil {
 		klog.Errorf("Failed to build controller manager: %v", err)