feat: support labels on consumer resources

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: AlinsRan

internal/adc/translator/consumer.go

@@ -71,7 +71,7 @@ func (t *Translator) TranslateConsumerV1alpha1(tctx *provider.TranslateContext,
 		credentials = append(credentials, credential)
 	}
 	consumer.Credentials = credentials
-	consumer.Labels = label.GenLabel(consumerV)
+	consumer.Labels = label.GenLabelWithObjectLabels(consumerV)
 	plugins := adctypes.Plugins{}
 	for _, plugin := range consumerV.Spec.Plugins {
 		pluginName := plugin.Name

internal/adc/translator/consumer_test.go

@@ -0,0 +1,61 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you 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.
+
+package translator
+
+import (
+	"context"
+	"testing"
+
+	"github.com/go-logr/logr"
+	"github.com/stretchr/testify/require"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/apache/apisix-ingress-controller/api/v1alpha1"
+	"github.com/apache/apisix-ingress-controller/internal/controller/label"
+	"github.com/apache/apisix-ingress-controller/internal/provider"
+)
+
+func TestTranslateConsumerV1alpha1_UsesMetadataLabelsWithoutOverwritingControllerLabels(t *testing.T) {
+	translator := NewTranslator(logr.Discard())
+	tctx := provider.NewDefaultTranslateContext(context.Background())
+
+	consumer := &v1alpha1.Consumer{
+		TypeMeta: metav1.TypeMeta{
+			Kind:       "Consumer",
+			APIVersion: v1alpha1.GroupVersion.String(),
+		},
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "demo",
+			Namespace: "default",
+			Labels: map[string]string{
+				"team":                 "payments",
+				label.LabelName:        "user-value",
+				label.LabelResourceKey: "user-resource-key",
+			},
+		},
+	}
+
+	result, err := translator.TranslateConsumerV1alpha1(tctx, consumer)
+	require.NoError(t, err)
+	require.Len(t, result.Consumers, 1)
+
+	translated := result.Consumers[0]
+	require.Equal(t, "payments", translated.Labels["team"])
+	require.Equal(t, consumer.Name, translated.Labels[label.LabelName])
+	require.Equal(t, "Consumer/default/demo", translated.Labels[label.LabelResourceKey])
+}