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/*
* SonarQube
* Copyright (C) 2009-2017 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.search;
import java.io.IOException;
import org.apache.lucene.util.StringHelper;
import org.elasticsearch.cluster.health.ClusterHealthStatus;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.node.Node;
import org.elasticsearch.node.NodeValidationException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.process.Jmx;
import org.sonar.process.MinimumViableSystem;
import org.sonar.process.Monitored;
import org.sonar.process.ProcessEntryPoint;
import org.sonar.process.Props;
public class SearchServer implements Monitored {
// VisibleForTesting
protected static Logger LOGGER = LoggerFactory.getLogger(SearchServer.class);
private static final String MIMINUM_MASTER_NODES = "discovery.zen.minimum_master_nodes";
private static final String INITIAL_STATE_TIMEOUT = "discovery.initial_state_timeout";
private final EsSettings settings;
private Node node;
public SearchServer(Props props) {
this.settings = new EsSettings(props);
new MinimumViableSystem()
.checkWritableTempDir();
}
@Override
public void start() {
Jmx.register(EsSettingsMBean.OBJECT_NAME, settings);
initBootstrap();
Settings esSettings = settings.build();
if (esSettings.getAsInt(MIMINUM_MASTER_NODES, 1) >= 2) {
LOGGER.info("Elasticsearch is waiting {} for {} node(s) to be up to start.",
esSettings.get(INITIAL_STATE_TIMEOUT),
esSettings.get(MIMINUM_MASTER_NODES));
}
node = new Node(settings.build());
try {
node.start();
} catch (NodeValidationException e) {
throw new RuntimeException("Failed to start ES", e);
}
}
// copied from https://github.com/elastic/elasticsearch/blob/v2.3.3/core/src/main/java/org/elasticsearch/bootstrap/Bootstrap.java
private static void initBootstrap() {
// init lucene random seed. it will use /dev/urandom where available:
StringHelper.randomId();
}
@Override
public Status getStatus() {
boolean esStatus = node != null && node.client().admin().cluster().prepareHealth()
.setWaitForYellowStatus()
.setTimeout(TimeValue.timeValueSeconds(30L))
.get()
.getStatus() != ClusterHealthStatus.RED;
if (esStatus) {
return Status.OPERATIONAL;
}
return Status.DOWN;
}
@Override
public void awaitStop() {
try {
while (node != null && !node.isClosed()) {
Thread.sleep(200L);
}
} catch (InterruptedException e) {
// Restore the interrupted status
Thread.currentThread().interrupt();
}
}
@Override
public void stop() {
if (node != null && !node.isClosed()) {
try {
node.close();
} catch (IOException e) {
LOGGER.error("Failed to stop ES cleanly", e);
}
}
Jmx.unregister(EsSettingsMBean.OBJECT_NAME);
}
public static void main(String... args) {
ProcessEntryPoint entryPoint = ProcessEntryPoint.createForArguments(args);
new SearchLogging().configure(entryPoint.getProps());
SearchServer searchServer = new SearchServer(entryPoint.getProps());
entryPoint.launch(searchServer);
}
}
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