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- /*
- * SonarQube
- * Copyright (C) 2009-2023 SonarSource SA
- * mailto:info AT sonarsource DOT com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 3 of the License, or (at your option) any later version.
- *
- * This program 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
- package org.sonar.application.command;
-
- import java.io.File;
- import java.io.IOException;
- import java.nio.charset.StandardCharsets;
- import java.nio.file.Files;
- import java.nio.file.Paths;
- import java.util.LinkedHashMap;
- import java.util.Map;
- import java.util.stream.Collectors;
- import org.sonar.process.Props;
-
- public class EsJvmOptions extends JvmOptions<EsJvmOptions> {
- private static final String ELASTICSEARCH_JVM_OPTIONS_HEADER = """
- # This file has been automatically generated by SonarQube during startup.
- # Please use sonar.search.javaOpts and/or sonar.search.javaAdditionalOpts in sonar.properties to specify jvm options for Elasticsearch
-
- # DO NOT EDIT THIS FILE
-
- """;
-
- public EsJvmOptions(Props props, File tmpDir) {
- super(mandatoryOptions(tmpDir, props));
- }
-
- // this basically writes down the content of jvm.options file distributed in vanilla Elasticsearch package
- // with some changes to fit running bundled in SQ
- private static Map<String, String> mandatoryOptions(File tmpDir, Props props) {
- Map<String, String> res = new LinkedHashMap<>(30);
- fromJvmDotOptionsFile(tmpDir, res, props);
- fromSystemJvmOptionsClass(tmpDir, res);
-
- boolean defaultDisableBootstrapChecks = props.value("sonar.jdbc.url", "").contains("jdbc:h2");
- if (!props.valueAsBoolean("sonar.es.bootstrap.checks.disable", defaultDisableBootstrapChecks)) {
- res.put("-Des.enforce.bootstrap.checks=", "true");
- }
-
- return res;
- }
-
- private static void fromJvmDotOptionsFile(File tmpDir, Map<String, String> res, Props props) {
- // GC configuration
- res.put("-XX:+UseG1GC", "");
-
- // (by default ES 6.6.1 uses variable ${ES_TMPDIR} which is replaced by start scripts. Since we start JAR file
- // directly on windows, we specify absolute file as URL (to support space in path) instead
- res.put("-Djava.io.tmpdir=", tmpDir.getAbsolutePath());
-
- // heap dumps (enable by default in ES 6.6.1, we don't enable them, no one will analyze them anyway)
- // generate a heap dump when an allocation from the Java heap fails
- // heap dumps are created in the working directory of the JVM
- // res.put("-XX:+HeapDumpOnOutOfMemoryError", "");
- // specify an alternative path for heap dumps; ensure the directory exists and
- // has sufficient space
- // res.put("-XX:HeapDumpPath", "data");
- // specify an alternative path for JVM fatal error logs (ES 6.6.1 default is "logs/hs_err_pid%p.log")
- var path = Paths.get(props.value("sonar.path.logs", "logs"), "es_hs_err_pid%p.log");
- res.put("-XX:ErrorFile=", path.toAbsolutePath().toString());
- res.put("-Xlog:disable", "");
- }
-
- /**
- * JVM options from class "org.elasticsearch.tools.launchers.SystemJvmOptions"
- */
- private static void fromSystemJvmOptionsClass(File tmpDir, Map<String, String> res) {
- /*
- * Cache ttl in seconds for positive DNS lookups noting that this overrides the JDK security property networkaddress.cache.ttl;
- * can be set to -1 to cache forever.
- */
- res.put("-Des.networkaddress.cache.ttl=", "60");
- /*
- * Cache ttl in seconds for negative DNS lookups noting that this overrides the JDK security property
- * networkaddress.cache.negative ttl; set to -1 to cache forever.
- */
- res.put("-Des.networkaddress.cache.negative.ttl=", "10");
- // pre-touch JVM emory pages during initialization
- res.put("-XX:+AlwaysPreTouch", "");
- // explicitly set the stack size
- res.put("-Xss1m", "");
- // set to headless, just in case,
- res.put("-Djava.awt.headless=", "true");
- // ensure UTF-8 encoding by default (e.g., filenames)
- res.put("-Dfile.encoding=", "UTF-8");
- // use our provided JNA always versus the system one
- res.put("-Djna.nosys=", "true");
- res.put("-Djna.tmpdir=", tmpDir.getAbsolutePath());
- /*
- * Turn off a JDK optimization that throws away stack traces for common exceptions because stack traces are important for
- * debugging.
- */
- res.put("-XX:-OmitStackTraceInFastThrow", "");
- // flags to configure Netty
- res.put("-Dio.netty.noUnsafe=", "true");
- res.put("-Dio.netty.noKeySetOptimization=", "true");
- res.put("-Dio.netty.recycler.maxCapacityPerThread=", "0");
- res.put("-Dio.netty.allocator.numDirectArenas=", "0");
- // log4j 2
- res.put("-Dlog4j.shutdownHookEnabled=", "false");
- res.put("-Dlog4j2.disable.jmx=", "true");
- res.put("-Dlog4j2.formatMsgNoLookups=", "true");
- /*
- * Due to internationalization enhancements in JDK 9 org.sonarqube.ws.tester.Elasticsearch need to set the provider to COMPAT otherwise
- * time/date
- * parsing will break in an incompatible way for some date patterns and locales.
- */
- res.put("-Djava.locale.providers=", "COMPAT");
- // disable FIPS mode for the JVM so SonarQube can use certain algorithms
- res.put("-Dcom.redhat.fips=", "false");
- }
-
- public void writeToJvmOptionFile(File file) {
- String jvmOptions = getAll().stream().collect(Collectors.joining("\n"));
- String jvmOptionsContent = ELASTICSEARCH_JVM_OPTIONS_HEADER + jvmOptions;
- try {
- Files.write(file.toPath(), jvmOptionsContent.getBytes(StandardCharsets.UTF_8));
- } catch (IOException e) {
- throw new IllegalStateException("Cannot write Elasticsearch jvm options file", e);
- }
- }
- }
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