// Copyright 2016 Google Inc. All Rights Reserved.
//
// 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.

package container

import (
	info "github.com/google/cadvisor/info/v1"
)

// Returns the alias a container is known by within a certain namespace,
// if available. Otherwise returns the absolute name of the container.
func GetPreferredName(ref info.ContainerReference) string {
	var containerName string
	if len(ref.Aliases) > 0 {
		containerName = ref.Aliases[0]
	} else {
		containerName = ref.Name
	}
	return containerName
}