--- /dev/null 2019-09-02 18:10:42.000000000 +0300 +++ new/test/runtime/containers/docker/TestJFREvents.java 2019-09-02 18:10:41.295840000 +0300 @@ -0,0 +1,147 @@ +/* + * Copyright (c) 2019, 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. + */ + + +/* + * @test + * @summary Ensure that certain JFR events return correct results for resource values + * when run inside Docker container, such as available CPU and memory. + * Also make sure that PIDs are based on value provided by container, + * not by the host system. + * @requires (os.maxMemory >= 2g) + * @library /testlibrary + * @build JfrReporter + * @run driver TestJFREvents + */ +import java.util.List; +import com.oracle.java.testlibrary.Common; +import com.oracle.java.testlibrary.DockerRunOptions; +import com.oracle.java.testlibrary.DockerTestUtils; +import com.oracle.java.testlibrary.Asserts; +import com.oracle.java.testlibrary.OutputAnalyzer; +import com.oracle.java.testlibrary.Utils; + + +public class TestJFREvents { + private static final String imageName = Common.imageName("jfr-events"); + private static final String TEST_ENV_VARIABLE = "UNIQUE_VARIABLE_ABC592903XYZ"; + private static final String TEST_ENV_VALUE = "unique_value_abc592903xyz"; + private static final int availableCPUs = Runtime.getRuntime().availableProcessors(); + + public static void main(String[] args) throws Exception { + System.out.println("Test Environment: detected availableCPUs = " + availableCPUs); + if (!DockerTestUtils.canTestDocker()) { + return; + } + + DockerTestUtils.buildJdkDockerImage(imageName, "Dockerfile-BasicTest", "jdk-docker"); + + try { + // leave one CPU for system and tools, otherwise this test may be unstable + int maxNrOfAvailableCpus = availableCPUs - 1; + for (int i=1; i < maxNrOfAvailableCpus; i = i * 2) { + testCPUInfo(i, i); + } + + long MB = 1024*1024; + testMemory("200m", "" + 200*MB); + testMemory("500m", "" + 500*MB); + testMemory("1g", "" + 1024*MB); + + testProcessInfo(); + + testEnvironmentVariables(); + } finally { + DockerTestUtils.removeDockerImage(imageName); + } + } + + + private static void testCPUInfo(int valueToSet, int expectedValue) throws Exception { + Common.logNewTestCase("CPUInfo: --cpus = " + valueToSet); + DockerTestUtils.dockerRunJava( + commonDockerOpts() + .addDockerOpts("--cpus=" + valueToSet) + .addClassOptions("jdk.CPUInformation")) + .shouldHaveExitValue(0); + // The following assertion is currently disabled due to JFR reporting incorrect values. + // JFR reports values for the host system as opposed to values for the container. + // @ignore 8219999 + // .shouldContain("cores = " + expectedValue"); + } + + + private static void testMemory(String valueToSet, String expectedValue) throws Exception { + Common.logNewTestCase("Memory: --memory = " + valueToSet); + DockerTestUtils.dockerRunJava( + commonDockerOpts() + .addDockerOpts("--memory=" + valueToSet) + .addClassOptions("jdk.PhysicalMemory")) + .shouldHaveExitValue(0) + .shouldContain("totalSize = " + expectedValue); + } + + + private static void testProcessInfo() throws Exception { + Common.logNewTestCase("ProcessInfo"); + DockerTestUtils.dockerRunJava( + commonDockerOpts() + .addClassOptions("jdk.SystemProcess")) + .shouldHaveExitValue(0) + .shouldContain("pid = 1"); + } + + + private static DockerRunOptions commonDockerOpts() { + return new DockerRunOptions(imageName, "/jdk/bin/java", "JfrReporter") + .addDockerOpts("--volume", Utils.TEST_CLASSES + ":/test-classes/") + .addJavaOpts("-cp", "/test-classes/"); + } + + + private static void testEnvironmentVariables() throws Exception { + Common.logNewTestCase("EnvironmentVariables"); + + List cmd = DockerTestUtils.buildJavaCommand( + commonDockerOpts() + .addClassOptions("jdk.InitialEnvironmentVariable")); + + ProcessBuilder pb = new ProcessBuilder(cmd); + // Container has JAVA_HOME defined via the Dockerfile; make sure + // it is reported by JFR event. + // Environment variable set in host system should not be visible inside a container, + // and should not be reported by JFR. + pb.environment().put(TEST_ENV_VARIABLE, TEST_ENV_VALUE); + + System.out.println("[COMMAND]\n" + Utils.getCommandLine(pb)); + OutputAnalyzer out = new OutputAnalyzer(pb.start()); + System.out.println("[STDERR]\n" + out.getStderr()); + System.out.println("[STDOUT]\n" + out.getStdout()); + + out.shouldHaveExitValue(0) + .shouldContain("key = JAVA_HOME") + .shouldContain("value = /jdk") + .shouldNotContain(TEST_ENV_VARIABLE) + .shouldNotContain(TEST_ENV_VALUE); + } +}