/*

 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

import sun.hotspot.WhiteBox;

public class CheckContainerized {

    public static String OUTSIDE_OF_CONTAINER =

        "CheckContainerized: Running outside of a container";

    public static String INSIDE_A_CONTAINER =

        "CheckContainerized: Running inside a container";

    public static void main(String[] args) {

        System.out.println("CheckContainerized: Entering");

        WhiteBox wb = WhiteBox.getWhiteBox();

        if (wb.isContainerized()) {

            System.out.println(INSIDE_A_CONTAINER);

        } else {

            System.out.println(OUTSIDE_OF_CONTAINER);

        }

    }

}