Merge pull request #2133 from AllenZMC/fix_panic

`karmada-controller-manager`/`karmada-agent` : fixed panic issue when dumps error infos.

pkg/resourceinterpreter/customizedinterpreter/configmanager/manager.go

@@ -5,9 +5,7 @@ import (
 	"sort"
 	"sync/atomic"
 
-	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/labels"
-	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/runtime/schema"
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
 	"k8s.io/client-go/tools/cache"
@@ -89,15 +87,16 @@ func (m *interpreterConfigManager) updateConfiguration() {
 
 	configs := make([]*configv1alpha1.ResourceInterpreterWebhookConfiguration, 0)
 	for _, c := range configurations {
-		unstructuredConfig, err := runtime.DefaultUnstructuredConverter.ToUnstructured(c)
+		unstructuredConfig, err := helper.ToUnstructured(c)
 		if err != nil {
 			klog.Errorf("Failed to transform ResourceInterpreterWebhookConfiguration: %w", err)
 			return
 		}
 
-		config, err := helper.ConvertToResourceExploringWebhookConfiguration(&unstructured.Unstructured{Object: unstructuredConfig})
+		config, err := helper.ConvertToResourceExploringWebhookConfiguration(unstructuredConfig)
 		if err != nil {
-			klog.Errorf("Failed to convert object(%s), err", config.GroupVersionKind().String(), err)
+			gvk := unstructuredConfig.GroupVersionKind().String()
+			klog.Errorf("Failed to convert object(%s), err: %v", gvk, err)
 			return
 		}
 		configs = append(configs, config)

pkg/util/helper/unstructured.go

@@ -148,3 +148,12 @@ func ApplyReplica(workload *unstructured.Unstructured, desireReplica int64, fiel
 	}
 	return nil
 }
+
+// ToUnstructured converts a typed object to an unstructured object.
+func ToUnstructured(obj interface{}) (*unstructured.Unstructured, error) {
+	uncastObj, err := runtime.DefaultUnstructuredConverter.ToUnstructured(obj)
+	if err != nil {
+		return nil, err
+	}
+	return &unstructured.Unstructured{Object: uncastObj}, nil
+}