devbox cache improve. (#5122)

Author: lingdie

controllers/devbox/cmd/main.go

@@ -24,11 +24,16 @@ import (
 	// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
 	// to ensure that exec-entrypoint and run can make use of them.
 	_ "k8s.io/client-go/plugin/pkg/client/auth"
+	"k8s.io/client-go/rest"
 
+	corev1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/labels"
 	"k8s.io/apimachinery/pkg/runtime"
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
 	ctrl "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"
 	"sigs.k8s.io/controller-runtime/pkg/log/zap"
 	"sigs.k8s.io/controller-runtime/pkg/metrics/filters"
@@ -133,6 +138,11 @@ func main() {
 		metricsServerOptions.FilterProvider = filters.WithAuthenticationAndAuthorization
 	}
 
+	cacheObjLabelSelector := labels.SelectorFromSet(map[string]string{
+		"app.kubernetes.io/managed-by": "sealos",
+		"app.kubernetes.io/part-of":    "devbox",
+	})
+
 	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
 		Scheme:                 scheme,
 		Metrics:                metricsServerOptions,
@@ -151,6 +161,15 @@ func main() {
 		// if you are doing or is intended to do any operation such as perform cleanups
 		// after the manager stops then its usage might be unsafe.
 		// LeaderElectionReleaseOnCancel: true,
+
+		NewCache: func(config *rest.Config, opts cache.Options) (cache.Cache, error) {
+			opts.ByObject = map[client.Object]cache.ByObject{
+				&corev1.Service{}: {Label: cacheObjLabelSelector},
+				&corev1.Pod{}:     {Label: cacheObjLabelSelector},
+				&corev1.Secret{}:  {Label: cacheObjLabelSelector},
+			}
+			return cache.New(config, opts)
+		},
 	})
 	if err != nil {
 		setupLog.Error(err, "unable to start manager")