兼容当前新老调用 KubeClient 的用法，特别是 fake 替换时

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

pkg/device/hygon/device_test.go

@@ -28,6 +28,7 @@ import (
 	"gotest.tools/v3/assert"
 	corev1 "k8s.io/api/core/v1"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/client-go/kubernetes/fake"
 
 	"k8s.io/apimachinery/pkg/api/resource"
 	"k8s.io/klog/v2"
@@ -673,6 +674,7 @@ func Test_GenerateResourceRequests(t *testing.T) {
 }
 
 func Test_NodeCleanUp(t *testing.T) {
+	client.KubeClient = fake.NewSimpleClientset()
 	tests := []struct {
 		name string
 		args string

pkg/util/client/factory.go

@@ -41,25 +41,44 @@ func NewInstance() KubeInterface {
 func GetFactory() *KubeClientFactory {
 	factoryOnce.Do(func() {
 		instance = &KubeClientFactory{}
-		instance.SetReal() // Use the real client by default
+		instance.SetReal() // Use the real client by default.
 	})
 	return instance
 }
 
 func (f *KubeClientFactory) GetClient() KubeInterface {
+	if KubeClient == nil {
+		f.client = &K8sClient{
+			client: GetK8sClient().client,
+		}
+	} else {
+		f.client = &K8sClient{
+			client: KubeClient,
+		}
+	}
 	return f.client
 }
 
 func (f *KubeClientFactory) SetFake() *KubeClientFactory {
 	f.client = &K8sClient{
 		client: fake.NewSimpleClientset(),
 	}
+	// For compatibility with other direct assignment call points, this line needs to be removed after replacement.
+	KubeClient = fake.NewSimpleClientset()
 	return f
 }
 
 func (f *KubeClientFactory) SetReal() *KubeClientFactory {
-	f.client = &K8sClient{
-		client: GetK8sClient().client,
+	// For compatibility with other direct assignment call points, this line needs to be removed after replacement.
+	if KubeClient == nil {
+		f.client = &K8sClient{
+			client: GetK8sClient().client,
+		}
+		KubeClient = GetK8sClient().client
+	} else {
+		f.client = &K8sClient{
+			client: KubeClient,
+		}
 	}
 	return f
 }