Performanceuse UnsafeDisableDeepCopy and cache for list Unstructured Resources

fabian4 · zirain · commit 4efefc659610 · 2026-01-14T10:30:03.000+08:00
Signed-off-by: fabian4 &lt;fabian.v.bao@gmail.com&gt;
diff --git a/internal/provider/kubernetes/kubernetes.go b/internal/provider/kubernetes/kubernetes.go
@@ -13,9 +13,7 @@ import (
 	appsv1 "k8s.io/api/apps/v1"
 	corev1 "k8s.io/api/core/v1"
 	discoveryv1 "k8s.io/api/discovery/v1"
-	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/labels"
-	"k8s.io/apimachinery/pkg/runtime/schema"
 	"k8s.io/client-go/rest"
 	"k8s.io/klog/v2"
 	"k8s.io/utils/ptr"
@@ -66,12 +64,6 @@ var (
 	webhookTLSCertDir = "/certs"
 	// webhookTLSPort is the port for the webhook server to listen on.
 	webhookTLSPort = 9443
-	// Supported Gateway API GVKs
-	// controller-runtime cache requires concrete GVKs.
-	// Unstructured caching is enabled per GVK using unstructured.Unstructured
-	gatewayAPIGVKs = []schema.GroupVersionKind{
-		{Group: "gateway.networking.k8s.io", Version: "v1beta1", Kind: "Gateway"},
-	}
 )
 
 func New(ctx context.Context, restCfg *rest.Config, svrCfg *ec.Server,
@@ -174,14 +166,6 @@ func newProvider(ctx context.Context, restCfg *rest.Config, svrCfg *ec.Server,
 			},
 		}
 	}
-
-	for _, gvk := range gatewayAPIGVKs {
-		u := &unstructured.Unstructured{}
-		u.SetGroupVersionKind(gvk)
-		mgrOpts.Cache.ByObject[u] = cache.ByObject{
-			UnsafeDisableDeepCopy: ptr.To(true),
-		}
-	}
 	// ProxyTopologyInjector is the only component that interacts with Pods.
 	mgrOpts.Cache.ByObject[&corev1.Pod{}] = cache.ByObject{
 		Label: labels.SelectorFromSet(proxy.EnvoyAppLabel()),
