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 */ 23 24 25 /* 26 * @test 27 * @summary Test miscellanous functionality related to JVM running in docker container 28 * @requires docker.support 29 * @library /test/lib 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * jdk.jartool/sun.tools.jar 33 * @build CheckContainerized sun.hotspot.WhiteBox PrintContainerInfo 34 * @run driver ClassFileInstaller -jar whitebox.jar sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission 35 * @run driver TestMisc 36 */ 37 import java.util.Optional; 38 import jdk.test.lib.containers.docker.Common; 39 import jdk.test.lib.containers.docker.DockerTestUtils; 40 import jdk.test.lib.containers.docker.DockerRunOptions; 41 import jdk.test.lib.process.OutputAnalyzer; 42 import jdk.test.lib.process.ProcessTools; 43 44 45 public class TestMisc { 46 private static final String imageName = Common.imageName("misc"); 47 48 public static void main(String[] args) throws Exception { 49 if (!DockerTestUtils.canTestDocker()) { 50 return; 51 } 52 53 Common.prepareWhiteBox(); 54 DockerTestUtils.buildJdkDockerImage(imageName, "Dockerfile-BasicTest", "jdk-docker"); 55 56 try { 57 testMinusContainerSupport(); 58 testIsContainerized(); 59 testPrintContainerInfo(); 60 } finally { 61 DockerTestUtils.removeDockerImage(imageName); 62 } 63 } 64 65 66 private static void testMinusContainerSupport() throws Exception { 67 Common.logNewTestCase("Test related flags: '-UseContainerSupport'"); 68 DockerRunOptions opts = new DockerRunOptions(imageName, "/jdk/bin/java", "-version"); 69 opts.addJavaOpts("-XX:-UseContainerSupport", "-Xlog:os+container=trace"); 70 71 Common.run(opts) 72 .shouldContain("Container Support not enabled"); 73 } 74 75 76 private static void testIsContainerized() throws Exception { 77 Common.logNewTestCase("Test is_containerized() inside a docker container"); 78 79 DockerRunOptions opts = Common.newOpts(imageName, "CheckContainerized"); 80 Common.addWhiteBoxOpts(opts); 81 82 Common.run(opts) 83 .shouldContain(CheckContainerized.INSIDE_A_CONTAINER); 84 } 85 86 87 private static void testPrintContainerInfo() throws Exception { 88 Common.logNewTestCase("Test print_container_info()"); 89 90 DockerRunOptions opts = Common.newOpts(imageName, "PrintContainerInfo"); 91 Common.addWhiteBoxOpts(opts); 92 93 OutputAnalyzer out = Common.run(opts); 94 checkContainerInfoCommon(out); 95 checkContainerInfoCgroupSpecific(out); 96 } 97 98 99 private static void checkContainerInfoCommon(OutputAnalyzer out) throws Exception { 100 String[] expectedToContain = new String[] { 101 "cpuset.cpus", 102 "cpuset.mems", 103 "CPU Shares", 104 "CPU Quota", 105 "CPU Period", 106 "OSContainer::active_processor_count", 107 "Memory Limit", 108 "Memory Soft Limit", 109 "Memory Usage", 110 "memory_max_usage_in_bytes" 111 }; 112 113 for (String s : expectedToContain) { 114 out.shouldContain(s); 115 } 116 } 117 118 private static void checkContainerInfoCgroupSpecific(OutputAnalyzer out) throws Exception { 119 Optional<String> cgroupVersString = out.asLines() 120 .stream() 121 .filter( l -> l.startsWith("Detected CGroups version is:") ) 122 .findFirst(); 123 if (cgroupVersString.isPresent()) { // only non-product builds have this 124 String cgroupVers = cgroupVersString.get().split(": ")[1].trim(); 125 if ("cgroupv1".equals(cgroupVers)) { 126 out.shouldContain("Maximum Memory Usage"); // only supported for cgroups v1 127 } 128 } 129 } 130 131 }