/*
 * 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 util

import (
	"k8s.io/apimachinery/pkg/api/meta"
	"k8s.io/apimachinery/pkg/runtime"
)

// SetLabel is a helper function which sets the specified label and value on the specified object.
func SetLabel(resource runtime.Object, label, value string) error {
	resourceAccessor, err := meta.Accessor(resource)
	if err != nil {
		return err
	}
	labels := resourceAccessor.GetLabels()
	if labels == nil {
		labels = map[string]string{}
	}
	labels[label] = value
	resourceAccessor.SetLabels(labels)
	return nil
}
