99 lines
3.6 KiB
Java
99 lines
3.6 KiB
Java
/*
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* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2024, Red Hat, Inc.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @summary Test container info for cgroup v2
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* @key cgroups
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* @requires container.support
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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* jdk.jartool/sun.tools.jar
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* @build CheckContainerized jdk.test.whitebox.WhiteBox PrintContainerInfo
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* @run driver jdk.test.lib.helpers.ClassFileInstaller -jar whitebox.jar jdk.test.whitebox.WhiteBox
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* @run driver TestContainerInfo
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*/
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import jtreg.SkippedException;
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import jdk.test.lib.containers.docker.Common;
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import jdk.test.lib.containers.docker.DockerTestUtils;
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import jdk.test.lib.containers.docker.DockerRunOptions;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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public class TestContainerInfo {
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private static final String imageName = Common.imageName("container-info");
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public static void main(String[] args) throws Exception {
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if (!DockerTestUtils.canTestDocker()) {
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return;
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}
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Common.prepareWhiteBox();
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DockerTestUtils.buildJdkContainerImage(imageName);
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try {
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testPrintContainerInfoWithoutSwap();
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} finally {
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DockerTestUtils.removeDockerImage(imageName);
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}
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}
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private static void testPrintContainerInfoWithoutSwap() throws Exception {
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Common.logNewTestCase("Test print_container_info() - without swap");
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DockerRunOptions opts = Common.newOpts(imageName, "PrintContainerInfo")
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.addDockerOpts("--memory=500m")
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.addDockerOpts("--memory-swap=500m"); // no swap
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Common.addWhiteBoxOpts(opts);
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OutputAnalyzer out = Common.run(opts);
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checkContainerInfo(out);
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}
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private static void shouldMatchWithValue(OutputAnalyzer output, String match, String value) {
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output.shouldContain(match);
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String str = output.getOutput();
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for (String s : str.split(System.lineSeparator())) {
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if (s.contains(match)) {
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if (!s.contains(value)) {
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throw new RuntimeException("memory_swap_current_in_bytes NOT " + value + "! Line was : " + s);
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}
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}
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}
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}
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private static void checkContainerInfo(OutputAnalyzer out) throws Exception {
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String str = out.getOutput();
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if (str.contains("cgroupv2")) {
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shouldMatchWithValue(out, "memory_swap_max_limit_in_bytes", "0");
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shouldMatchWithValue(out, "memory_swap_current_in_bytes", "0");
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} else {
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throw new SkippedException("This test is cgroups v2 specific, skipped on cgroups v1");
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}
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}
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}
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