Remove concurrency

Author: ajanikow

pkg/debug_package/shared/gen.go

@@ -30,6 +30,7 @@ import (
 	"github.com/arangodb/kube-arangodb/pkg/debug_package/cli"
 	"github.com/arangodb/kube-arangodb/pkg/util"
 	"github.com/arangodb/kube-arangodb/pkg/util/errors"
+	"github.com/arangodb/kube-arangodb/pkg/util/k8sutil"
 	"github.com/arangodb/kube-arangodb/pkg/util/k8sutil/kerrors"
 	"github.com/arangodb/kube-arangodb/pkg/util/kclient"
 	"github.com/arangodb/kube-arangodb/pkg/util/shutdown"
@@ -67,7 +68,11 @@ func WithKubernetesItems[T meta.Object](extract Extract[T], iterators ...Iterate
 		})
 
 		for _, item := range items {
-			if err := WithItem[T](shutdown.Context(), logger, k, files, item, iterators...); err != nil {
+			cp, ok := k8sutil.Copy(item)
+			if !ok {
+				return errors.Errorf("Unable to copy item")
+			}
+			if err := WithItem[T](shutdown.Context(), logger, k, files, cp, iterators...); err != nil {
 				return err
 			}
 		}
@@ -80,7 +85,11 @@ func WithItem[T meta.Object](ctx context.Context, logger zerolog.Logger, client
 	files, c := WithPrefix(files, "/%s/", item.GetName())
 	defer c()
 	for _, iter := range iterators {
-		if err := iter(ctx, logger, client, files, item); err != nil {
+		cp, ok := k8sutil.Copy(item)
+		if !ok {
+			return errors.Errorf("Unable to copy item")
+		}
+		if err := iter(ctx, logger, client, files, cp); err != nil {
 			return err
 		}
 	}

pkg/util/k8sutil/object.go

@@ -0,0 +1,40 @@
+//
+// DISCLAIMER
+//
+// Copyright 2025 ArangoDB GmbH, Cologne, Germany
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Copyright holder is ArangoDB GmbH, Cologne, Germany
+//
+
+package k8sutil
+
+import (
+	meta "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/arangodb/kube-arangodb/pkg/util"
+)
+
+func Copy[T meta.Object](obj T) (T, bool) {
+	type Q interface {
+		DeepCopy() T
+	}
+
+	if q, ok := any(obj).(Q); ok {
+		println("OK")
+		return q.DeepCopy(), true
+	}
+
+	return util.Default[T](), false
+}

pkg/util/k8sutil/object_test.go

@@ -0,0 +1,33 @@
+//
+// DISCLAIMER
+//
+// Copyright 2025 ArangoDB GmbH, Cologne, Germany
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// Copyright holder is ArangoDB GmbH, Cologne, Germany
+//
+
+package k8sutil
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	core "k8s.io/api/core/v1"
+)
+
+func Test_Copy(t *testing.T) {
+	_, ok := Copy(&core.Pod{})
+	require.True(t, ok)
+}