1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */

  55         for (String v: variables) {
  56             match(oa, v, good_value);
  57         }
  58         for (String v: variables) {
  59             noMatch(oa, v, bad_value);
  60         }
  61     }
  62 
  63     static public void isNotContainer(OutputAnalyzer oa) {
  64        oa.shouldMatch("^.*Can't open /proc/self/mountinfo.*$");
  65     }
  66 
  67     public static void main(String[] args) throws Exception {
  68         WhiteBox wb = WhiteBox.getWhiteBox();
  69         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:os+container=trace", "-version");
  70         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  71 
  72         if (wb.isContainerized()) {
  73             System.out.println("Inside a cgroup, testing...");
  74             isContainer(output);
  75         } else {
  76             System.out.println("Not in a cgroup, testing...");
  77             isNotContainer(output);
  78         }
  79     }
  80 }

   1 /*
   2  * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */

  55         for (String v: variables) {
  56             match(oa, v, good_value);
  57         }
  58         for (String v: variables) {
  59             noMatch(oa, v, bad_value);
  60         }
  61     }
  62 
  63     static public void isNotContainer(OutputAnalyzer oa) {
  64        oa.shouldMatch("^.*Can't open /proc/self/mountinfo.*$");
  65     }
  66 
  67     public static void main(String[] args) throws Exception {
  68         WhiteBox wb = WhiteBox.getWhiteBox();
  69         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:os+container=trace", "-version");
  70         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  71 
  72         if (wb.isContainerized()) {
  73             System.out.println("Inside a cgroup, testing...");
  74             isContainer(output);



  75         }
  76     }
  77 }