Update integration test

Author: hzxuzhonghu

Diff for: cmd/epp/main.go

@@ -130,7 +130,7 @@ func run() error {
 		return err
 	}
 
-	mgr, err := runserver.NewDefaultManager(*poolNamespace, *poolName)
+	mgr, err := runserver.NewDefaultManager(*poolNamespace, *poolName, cfg)
 	if err != nil {
 		setupLog.Error(err, "Failed to create controller manager")
 		return err

Diff for: pkg/epp/server/controller_manager.go

@@ -24,6 +24,7 @@ import (
 	"k8s.io/apimachinery/pkg/runtime"
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
+	"k8s.io/client-go/rest"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/cache"
 	"sigs.k8s.io/controller-runtime/pkg/client"
@@ -38,14 +39,8 @@ func init() {
 }
 
 // NewDefaultManager creates a new controller manager with default configuration.
-func NewDefaultManager(namespace, name string) (ctrl.Manager, error) {
-	// Init runtime.
-	cfg, err := ctrl.GetConfig()
-	if err != nil {
-		return nil, fmt.Errorf("failed to create rest config: %v", err)
-	}
-
-	manager, err := ctrl.NewManager(cfg, ctrl.Options{
+func NewDefaultManager(namespace, name string, restConfig *rest.Config) (ctrl.Manager, error) {
+	manager, err := ctrl.NewManager(restConfig, ctrl.Options{
 		Scheme: scheme,
 		Cache: cache.Options{
 			ByObject: map[client.Object]cache.ByObject{

Diff for: test/integration/hermetic_test.go

@@ -58,6 +58,7 @@ import (
 	"sigs.k8s.io/gateway-api-inference-extension/pkg/epp/backend"
 	"sigs.k8s.io/gateway-api-inference-extension/pkg/epp/datastore"
 	"sigs.k8s.io/gateway-api-inference-extension/pkg/epp/metrics"
+	"sigs.k8s.io/gateway-api-inference-extension/pkg/epp/server"
 	runserver "sigs.k8s.io/gateway-api-inference-extension/pkg/epp/server"
 	extprocutils "sigs.k8s.io/gateway-api-inference-extension/pkg/epp/test"
 	logutil "sigs.k8s.io/gateway-api-inference-extension/pkg/epp/util/logging"
@@ -490,7 +491,8 @@ func BeforeSuit(t *testing.T) func() {
 
 	// Init runtime.
 	ctrl.SetLogger(logger)
-	mgr, err := ctrl.NewManager(cfg, ctrl.Options{Scheme: scheme})
+
+	mgr, err := server.NewDefaultManager("default", "vllm-llama2-7b-pool", cfg)
 	if err != nil {
 		logutil.Fatal(logger, err, "Failed to create controller manager")
 	}