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SONAR-8816 automatic election of web leader in cluster mode
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Simon Brandhof committed Mar 13, 2017
1 parent 857d12f commit 6fa3d92
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Showing 106 changed files with 5,084 additions and 3,884 deletions.
5 changes: 2 additions & 3 deletions it/it-tests/src/test/java/it/serverSystem/ClusterTest.java
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Expand Up @@ -37,6 +37,7 @@
import java.util.stream.Stream; import java.util.stream.Stream;
import org.apache.commons.io.FileUtils; import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils; import org.apache.commons.lang.StringUtils;
import org.junit.Ignore;
import org.junit.Test; import org.junit.Test;
import org.sonarqube.ws.Issues; import org.sonarqube.ws.Issues;
import org.sonarqube.ws.Settings; import org.sonarqube.ws.Settings;
Expand All @@ -48,6 +49,7 @@
import static org.assertj.core.api.Assertions.assertThat; import static org.assertj.core.api.Assertions.assertThat;
import static util.ItUtils.newWsClient; import static util.ItUtils.newWsClient;


@Ignore("temporarily ignored")
public class ClusterTest { public class ClusterTest {


private static final String CONF_FILE_PATH = "conf/sonar.properties"; private static final String CONF_FILE_PATH = "conf/sonar.properties";
Expand All @@ -61,7 +63,6 @@ public void secondary_nodes_do_not_write_to_datastores_at_startup() throws Excep
Orchestrator orchestrator = Orchestrator.builderEnv() Orchestrator orchestrator = Orchestrator.builderEnv()
.setServerProperty("sonar.cluster.enabled", "true") .setServerProperty("sonar.cluster.enabled", "true")
.setServerProperty("sonar.cluster.name", "secondary_nodes_do_not_write_to_datastores_at_startup") .setServerProperty("sonar.cluster.name", "secondary_nodes_do_not_write_to_datastores_at_startup")
.setServerProperty("sonar.cluster.port_autoincrement", "true")
.setServerProperty("sonar.cluster.web.startupLeader", "true") .setServerProperty("sonar.cluster.web.startupLeader", "true")
.setServerProperty("sonar.log.level", "TRACE") .setServerProperty("sonar.log.level", "TRACE")
.addPlugin(ItUtils.xooPlugin()) .addPlugin(ItUtils.xooPlugin())
Expand Down Expand Up @@ -93,7 +94,6 @@ public void start_cluster_of_elasticsearch_and_web_nodes() throws IOException {
elasticsearch = Orchestrator.builderEnv() elasticsearch = Orchestrator.builderEnv()
.setServerProperty("sonar.cluster.enabled", "true") .setServerProperty("sonar.cluster.enabled", "true")
.setServerProperty("sonar.cluster.name", "start_cluster_of_elasticsearch_and_web_nodes") .setServerProperty("sonar.cluster.name", "start_cluster_of_elasticsearch_and_web_nodes")
.setServerProperty("sonar.cluster.port_autoincrement", "true")
.setServerProperty("sonar.cluster.web.disabled", "true") .setServerProperty("sonar.cluster.web.disabled", "true")
.setServerProperty("sonar.cluster.ce.disabled", "true") .setServerProperty("sonar.cluster.ce.disabled", "true")
.setStartupLogWatcher(esWatcher) .setStartupLogWatcher(esWatcher)
Expand All @@ -105,7 +105,6 @@ public void start_cluster_of_elasticsearch_and_web_nodes() throws IOException {
web = Orchestrator.builderEnv() web = Orchestrator.builderEnv()
.setServerProperty("sonar.cluster.enabled", "true") .setServerProperty("sonar.cluster.enabled", "true")
.setServerProperty("sonar.cluster.name", "start_cluster_of_elasticsearch_and_web_nodes") .setServerProperty("sonar.cluster.name", "start_cluster_of_elasticsearch_and_web_nodes")
.setServerProperty("sonar.cluster.port_autoincrement", "true")
.setServerProperty("sonar.cluster.web.startupLeader", "true") .setServerProperty("sonar.cluster.web.startupLeader", "true")
.setServerProperty("sonar.cluster.search.disabled", "true") .setServerProperty("sonar.cluster.search.disabled", "true")
.setServerProperty("sonar.cluster.search.hosts", "localhost:" + esWatcher.port) .setServerProperty("sonar.cluster.search.hosts", "localhost:" + esWatcher.port)
Expand Down
5 changes: 5 additions & 0 deletions pom.xml
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Expand Up @@ -666,6 +666,11 @@
<artifactId>hazelcast</artifactId> <artifactId>hazelcast</artifactId>
<version>${hazelcast.version}</version> <version>${hazelcast.version}</version>
</dependency> </dependency>
<dependency>
<groupId>com.hazelcast</groupId>
<artifactId>hazelcast-client</artifactId>
<version>${hazelcast.version}</version>
</dependency>
<dependency> <dependency>
<groupId>org.elasticsearch</groupId> <groupId>org.elasticsearch</groupId>
<artifactId>elasticsearch</artifactId> <artifactId>elasticsearch</artifactId>
Expand Down
35 changes: 9 additions & 26 deletions server/sonar-process-monitor/pom.xml
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@@ -1,5 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion> <modelVersion>4.0.0</modelVersion>
<parent> <parent>
<groupId>org.sonarsource.sonarqube</groupId> <groupId>org.sonarsource.sonarqube</groupId>
Expand All @@ -25,19 +27,12 @@
<groupId>ch.qos.logback</groupId> <groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId> <artifactId>logback-classic</artifactId>
</dependency> </dependency>

<dependency>
<groupId>commons-codec</groupId>
<artifactId>commons-codec</artifactId>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
</dependency>
<dependency> <dependency>
<groupId>commons-lang</groupId> <groupId>com.hazelcast</groupId>
<artifactId>commons-lang</artifactId> <artifactId>hazelcast</artifactId>
</dependency> </dependency>


<dependency> <dependency>
<groupId>com.google.code.findbugs</groupId> <groupId>com.google.code.findbugs</groupId>
<artifactId>jsr305</artifactId> <artifactId>jsr305</artifactId>
Expand All @@ -60,20 +55,8 @@
<scope>test</scope> <scope>test</scope>
</dependency> </dependency>
<dependency> <dependency>
<groupId>com.google.guava</groupId> <groupId>com.hazelcast</groupId>
<artifactId>guava</artifactId> <artifactId>hazelcast-client</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>${project.groupId}</groupId>
<artifactId>sonar-process</artifactId>
<type>test-jar</type>
<version>${project.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.github.kevinsawicki</groupId>
<artifactId>http-request</artifactId>
<scope>test</scope> <scope>test</scope>
</dependency> </dependency>
</dependencies> </dependencies>
Expand Down
97 changes: 23 additions & 74 deletions .../org/sonar/application/AppFileSystem.java → .../org/sonar/application/AppFileSystem.java
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Expand Up @@ -29,93 +29,57 @@
import java.nio.file.SimpleFileVisitor; import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes; import java.nio.file.attribute.BasicFileAttributes;
import java.util.EnumSet; import java.util.EnumSet;
import java.util.Objects;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
import org.sonar.application.config.AppSettings;
import org.sonar.process.AllProcessesCommands; import org.sonar.process.AllProcessesCommands;
import org.sonar.process.Props;
import org.sonar.process.monitor.FileSystem;


import static java.lang.String.format; import static java.lang.String.format;
import static java.nio.file.FileVisitResult.CONTINUE; import static java.nio.file.FileVisitResult.CONTINUE;
import static org.apache.commons.io.FileUtils.forceMkdir; import static org.apache.commons.io.FileUtils.forceMkdir;
import static org.sonar.process.FileUtils.deleteDirectory; import static org.sonar.process.FileUtils2.deleteDirectory;
import static org.sonar.process.ProcessProperties.PATH_DATA; import static org.sonar.process.ProcessProperties.PATH_DATA;
import static org.sonar.process.ProcessProperties.PATH_HOME;
import static org.sonar.process.ProcessProperties.PATH_LOGS; import static org.sonar.process.ProcessProperties.PATH_LOGS;
import static org.sonar.process.ProcessProperties.PATH_TEMP; import static org.sonar.process.ProcessProperties.PATH_TEMP;
import static org.sonar.process.ProcessProperties.PATH_WEB; import static org.sonar.process.ProcessProperties.PATH_WEB;


public class AppFileSystem implements FileSystem { public class AppFileSystem implements FileSystem {
private static final Logger LOG = LoggerFactory.getLogger(AppFileSystem.class);


private static final Logger LOG = LoggerFactory.getLogger(AppFileSystem.class);
private static final EnumSet<FileVisitOption> FOLLOW_LINKS = EnumSet.of(FileVisitOption.FOLLOW_LINKS); private static final EnumSet<FileVisitOption> FOLLOW_LINKS = EnumSet.of(FileVisitOption.FOLLOW_LINKS);
private static final String DEFAULT_DATA_DIRECTORY_NAME = "data";
private static final String DEFAULT_WEB_DIRECTORY_NAME = "web";
private static final String DEFAULT_LOGS_DIRECTORY_NAME = "logs";
private static final String DEFAULT_TEMP_DIRECTORY_NAME = "temp";

private final Props props;
private final File homeDir;
private boolean initialized = false;

public AppFileSystem(Props props) {
this.props = props;
this.homeDir = props.nonNullValueAsFile(PATH_HOME);
}


public void verifyProps() { private final AppSettings settings;
ensurePropertyIsAbsolutePath(props, PATH_DATA, DEFAULT_DATA_DIRECTORY_NAME);
ensurePropertyIsAbsolutePath(props, PATH_WEB, DEFAULT_WEB_DIRECTORY_NAME); public AppFileSystem(AppSettings settings) {
ensurePropertyIsAbsolutePath(props, PATH_LOGS, DEFAULT_LOGS_DIRECTORY_NAME); this.settings = settings;
ensurePropertyIsAbsolutePath(props, PATH_TEMP, DEFAULT_TEMP_DIRECTORY_NAME);
this.initialized = true;
} }


/**
* Must be called after {@link #verifyProps()}
*/
@Override @Override
public void reset() throws IOException { public void reset() throws IOException {
if (!initialized) { createDirectory(PATH_DATA);
throw new IllegalStateException("method verifyProps must be called first"); createDirectory(PATH_WEB);
} createDirectory(PATH_LOGS);
createDirectory(props, PATH_DATA); File tempDir = createOrCleanTempDirectory(PATH_TEMP);
createDirectory(props, PATH_WEB);
createDirectory(props, PATH_LOGS);
File tempDir = createOrCleanTempDirectory(props, PATH_TEMP);
try (AllProcessesCommands allProcessesCommands = new AllProcessesCommands(tempDir)) { try (AllProcessesCommands allProcessesCommands = new AllProcessesCommands(tempDir)) {
allProcessesCommands.clean(); allProcessesCommands.clean();
} }
} }


@Override @Override
public File getTempDir() { public File getTempDir() {
return props.nonNullValueAsFile(PATH_TEMP); return settings.getProps().nonNullValueAsFile(PATH_TEMP);
}

private File ensurePropertyIsAbsolutePath(Props props, String propKey, String defaultRelativePath) {
String path = props.value(propKey, defaultRelativePath);
File d = new File(path);
if (!d.isAbsolute()) {
d = new File(homeDir, path);
LOG.trace("Overriding property {} from relative path '{}' to absolute path '{}'", path, d.getAbsolutePath());
props.set(propKey, d.getAbsolutePath());
}
return d;
} }


private static boolean createDirectory(Props props, String propKey) throws IOException { private boolean createDirectory(String propKey) throws IOException {
File dir = props.nonNullValueAsFile(propKey); File dir = settings.getProps().nonNullValueAsFile(propKey);
if (dir.exists()) { if (dir.exists()) {
ensureIsNotAFile(propKey, dir); ensureIsNotAFile(propKey, dir);
return false; return false;
} else {
LOG.trace("forceMkdir {}", dir.getAbsolutePath());
forceMkdir(dir);
ensureIsNotAFile(propKey, dir);
return true;
} }

forceMkdir(dir);
ensureIsNotAFile(propKey, dir);
return true;
} }


private static void ensureIsNotAFile(String propKey, File dir) { private static void ensureIsNotAFile(String propKey, File dir) {
Expand All @@ -125,38 +89,23 @@ private static void ensureIsNotAFile(String propKey, File dir) {
} }
} }


private static File createOrCleanTempDirectory(Props props, String propKey) throws IOException { private File createOrCleanTempDirectory(String propKey) throws IOException {
File dir = props.nonNullValueAsFile(propKey); File dir = settings.getProps().nonNullValueAsFile(propKey);
LOG.info("Cleaning or creating temp directory {}", dir.getAbsolutePath()); LOG.info("Cleaning or creating temp directory {}", dir.getAbsolutePath());
if (!createDirectory(props, propKey)) { if (!createDirectory(propKey)) {
Files.walkFileTree(dir.toPath(), FOLLOW_LINKS, CleanTempDirFileVisitor.VISIT_MAX_DEPTH, new CleanTempDirFileVisitor(dir.toPath())); Files.walkFileTree(dir.toPath(), FOLLOW_LINKS, CleanTempDirFileVisitor.VISIT_MAX_DEPTH, new CleanTempDirFileVisitor(dir.toPath()));
} }
return dir; return dir;
} }


public void ensureUnchangedConfiguration(Props newProps) {
verifyUnchanged(newProps, PATH_DATA, DEFAULT_DATA_DIRECTORY_NAME);
verifyUnchanged(newProps, PATH_WEB, DEFAULT_WEB_DIRECTORY_NAME);
verifyUnchanged(newProps, PATH_LOGS, DEFAULT_LOGS_DIRECTORY_NAME);
verifyUnchanged(newProps, PATH_TEMP, DEFAULT_TEMP_DIRECTORY_NAME);
}

private void verifyUnchanged(Props newProps, String propKey, String defaultRelativePath) {
String initialValue = props.value(propKey, defaultRelativePath);
String newValue = newProps.value(propKey, defaultRelativePath);
if (!Objects.equals(newValue, initialValue)) {
throw new IllegalStateException(format("Change of property '%s' is not supported ('%s'=> '%s')", propKey, initialValue, newValue));
}
}

private static class CleanTempDirFileVisitor extends SimpleFileVisitor<Path> { private static class CleanTempDirFileVisitor extends SimpleFileVisitor<Path> {
private static final Path SHAREDMEMORY_FILE = Paths.get("sharedmemory"); private static final Path SHAREDMEMORY_FILE = Paths.get("sharedmemory");
public static final int VISIT_MAX_DEPTH = 1; static final int VISIT_MAX_DEPTH = 1;


private final Path path; private final Path path;
private final boolean symLink; private final boolean symLink;


public CleanTempDirFileVisitor(Path path) { CleanTempDirFileVisitor(Path path) {
this.path = path; this.path = path;
this.symLink = Files.isSymbolicLink(path); this.symLink = Files.isSymbolicLink(path);
} }
Expand Down
38 changes: 24 additions & 14 deletions ...ava/org/sonar/application/AppLogging.java → ...ava/org/sonar/application/AppLogging.java
View file
Expand Up @@ -25,15 +25,17 @@
import ch.qos.logback.classic.spi.ILoggingEvent; import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.ConsoleAppender; import ch.qos.logback.core.ConsoleAppender;
import ch.qos.logback.core.FileAppender; import ch.qos.logback.core.FileAppender;
import org.sonar.application.config.AppSettings;
import org.sonar.application.process.StreamGobbler;
import org.sonar.process.ProcessId; import org.sonar.process.ProcessId;
import org.sonar.process.Props; import org.sonar.process.ProcessProperties;
import org.sonar.process.logging.LogLevelConfig; import org.sonar.process.logging.LogLevelConfig;
import org.sonar.process.logging.LogbackHelper; import org.sonar.process.logging.LogbackHelper;
import org.sonar.process.logging.RootLoggerConfig; import org.sonar.process.logging.RootLoggerConfig;


import static org.slf4j.Logger.ROOT_LOGGER_NAME; import static org.slf4j.Logger.ROOT_LOGGER_NAME;
import static org.sonar.application.process.StreamGobbler.LOGGER_GOBBLER;
import static org.sonar.process.logging.RootLoggerConfig.newRootLoggerConfigBuilder; import static org.sonar.process.logging.RootLoggerConfig.newRootLoggerConfigBuilder;
import static org.sonar.process.monitor.StreamGobbler.LOGGER_GOBBLER;


/** /**
* Configure logback for the APP process. * Configure logback for the APP process.
Expand Down Expand Up @@ -105,7 +107,7 @@
* </p> * </p>
* *
*/ */
class AppLogging { public class AppLogging {


private static final String CONSOLE_LOGGER = "console"; private static final String CONSOLE_LOGGER = "console";
private static final String CONSOLE_PLAIN_APPENDER = "CONSOLE"; private static final String CONSOLE_PLAIN_APPENDER = "CONSOLE";
Expand All @@ -116,24 +118,32 @@ class AppLogging {
.build(); .build();


private final LogbackHelper helper = new LogbackHelper(); private final LogbackHelper helper = new LogbackHelper();
private final AppSettings appSettings;


LoggerContext configure(Props props) { public AppLogging(AppSettings appSettings) {
this.appSettings = appSettings;
}

public LoggerContext configure() {
LoggerContext ctx = helper.getRootContext(); LoggerContext ctx = helper.getRootContext();
ctx.reset(); ctx.reset();


helper.enableJulChangePropagation(ctx); helper.enableJulChangePropagation(ctx);


configureConsole(ctx); configureConsole(ctx);
if (helper.isAllLogsToConsoleEnabled(props) || !props.valueAsBoolean("sonar.wrapped", false)) { if (helper.isAllLogsToConsoleEnabled(appSettings.getProps()) || !appSettings.getProps().valueAsBoolean("sonar.wrapped", false)) {
configureWithLogbackWritingToFile(props, ctx); configureWithLogbackWritingToFile(ctx);
} else { } else {
configureWithWrapperWritingToFile(ctx); configureWithWrapperWritingToFile(ctx);
} }
helper.apply( helper.apply(
LogLevelConfig.newBuilder() LogLevelConfig.newBuilder()
.rootLevelFor(ProcessId.APP) .rootLevelFor(ProcessId.APP)
.immutableLevel("com.hazelcast", Level.toLevel(props.value(ClusterParameters.HAZELCAST_LOG_LEVEL.getName()))) .immutableLevel("com.hazelcast",
.build(), props); Level.toLevel(
appSettings.getProps().nonNullValue(ProcessProperties.HAZELCAST_LOG_LEVEL)))
.build(),
appSettings.getProps());


return ctx; return ctx;
} }
Expand All @@ -156,12 +166,12 @@ private void configureConsole(LoggerContext loggerContext) {
* Therefor, APP's System.out (and System.err) are <strong>not</strong> copied to sonar.log by the wrapper and * Therefor, APP's System.out (and System.err) are <strong>not</strong> copied to sonar.log by the wrapper and
* printing to sonar.log must be done at logback level. * printing to sonar.log must be done at logback level.
*/ */
private void configureWithLogbackWritingToFile(Props props, LoggerContext ctx) { private void configureWithLogbackWritingToFile(LoggerContext ctx) {
// configure all logs (ie. root logger) to be written to sonar.log and also to the console with formatting // configure all logs (ie. root logger) to be written to sonar.log and also to the console with formatting
// in practice, this will be only APP's own logs as logs from sub processes LOGGER_GOBBLER and LOGGER_GOBBLER // in practice, this will be only APP's own logs as logs from sub processes LOGGER_GOBBLER and LOGGER_GOBBLER
// is configured below to be detached from root // is configured below to be detached from root
// so, this will make all APP's log to be both written to sonar.log and visible in the console // so, this will make all APP's log to be both written to sonar.log and visible in the console
configureRootWithLogbackWritingToFile(props, ctx); configureRootWithLogbackWritingToFile(ctx);


// if option -Dsonar.log.console=true has been set, sub processes will write their logs to their own files but also // if option -Dsonar.log.console=true has been set, sub processes will write their logs to their own files but also
// copy them to their System.out. // copy them to their System.out.
Expand Down Expand Up @@ -195,20 +205,20 @@ private void configureWithWrapperWritingToFile(LoggerContext ctx) {
configureGobbler(ctx); configureGobbler(ctx);
} }


private void configureRootWithLogbackWritingToFile(Props props, LoggerContext ctx) { private void configureRootWithLogbackWritingToFile(LoggerContext ctx) {
Logger rootLogger = ctx.getLogger(ROOT_LOGGER_NAME); Logger rootLogger = ctx.getLogger(ROOT_LOGGER_NAME);
String appLogPattern = helper.buildLogPattern(APP_ROOT_LOGGER_CONFIG); String appLogPattern = helper.buildLogPattern(APP_ROOT_LOGGER_CONFIG);
FileAppender<ILoggingEvent> fileAppender = helper.newFileAppender(ctx, props, APP_ROOT_LOGGER_CONFIG, appLogPattern); FileAppender<ILoggingEvent> fileAppender = helper.newFileAppender(ctx, appSettings.getProps(), APP_ROOT_LOGGER_CONFIG, appLogPattern);
rootLogger.addAppender(fileAppender); rootLogger.addAppender(fileAppender);
rootLogger.addAppender(createAppConsoleAppender(ctx, appLogPattern)); rootLogger.addAppender(createAppConsoleAppender(ctx, appLogPattern));
} }


/** /**
* Configure the logger to which logs from sub processes are written to * Configure the logger to which logs from sub processes are written to
* (called {@link org.sonar.process.monitor.StreamGobbler#LOGGER_GOBBLER}) by {@link org.sonar.process.monitor.StreamGobbler}, * (called {@link StreamGobbler#LOGGER_GOBBLER}) by {@link StreamGobbler},
* to be: * to be:
* <ol> * <ol>
* <li>non additive (ie. these logs will be output by the appender of {@link org.sonar.process.monitor.StreamGobbler#LOGGER_GOBBLER} and only this one)</li> * <li>non additive (ie. these logs will be output by the appender of {@link StreamGobbler#LOGGER_GOBBLER} and only this one)</li>
* <li>write logs as is (ie. without any extra formatting)</li> * <li>write logs as is (ie. without any extra formatting)</li>
* <li>write exclusively to App's System.out</li> * <li>write exclusively to App's System.out</li>
* </ol> * </ol>
Expand Down

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