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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.File;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.UUID;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.process.ProcessProperties;
import org.sonar.process.Props;
public class EsSettings implements EsSettingsMBean {
private static final Logger LOGGER = LoggerFactory.getLogger(EsSettings.class);
public static final String PROP_MARVEL_HOSTS = "sonar.search.marvelHosts";
public static final String CLUSTER_SEARCH_NODE_NAME = "sonar.cluster.search.nodeName";
public static final String STANDALONE_NODE_NAME = "sonarqube";
private final Props props;
private final boolean clusterEnabled;
private final String clusterName;
private final String nodeName;
EsSettings(Props props) {
this.props = props;
this.clusterName = props.nonNullValue(ProcessProperties.CLUSTER_NAME);
this.clusterEnabled = props.valueAsBoolean(ProcessProperties.CLUSTER_ENABLED);
if (this.clusterEnabled) {
this.nodeName = props.value(CLUSTER_SEARCH_NODE_NAME, "sonarqube-" + UUID.randomUUID().toString());
} else {
this.nodeName = STANDALONE_NODE_NAME;
}
}
@Override
public int getHttpPort() {
return props.valueAsInt(ProcessProperties.SEARCH_HTTP_PORT, -1);
}
@Override
public String getClusterName() {
return clusterName;
}
@Override
public String getNodeName() {
return nodeName;
}
Map<String, String> build() {
Map<String, String> builder = new HashMap<>();
configureFileSystem(builder);
configureNetwork(builder);
configureCluster(builder);
configureMarvel(builder);
return builder;
}
private void configureFileSystem(Map<String, String> builder) {
File homeDir = props.nonNullValueAsFile(ProcessProperties.PATH_HOME);
File dataDir;
File logDir;
// data dir
String dataPath = props.value(ProcessProperties.PATH_DATA);
if (StringUtils.isNotEmpty(dataPath)) {
dataDir = new File(dataPath, "es");
} else {
dataDir = new File(homeDir, "data/es");
}
builder.put("path.data", dataDir.getAbsolutePath());
String tempPath = props.value(ProcessProperties.PATH_TEMP);
builder.put("path.home", new File(tempPath, "es").getAbsolutePath());
// log dir
String logPath = props.value(ProcessProperties.PATH_LOGS);
if (StringUtils.isNotEmpty(logPath)) {
logDir = new File(logPath);
} else {
logDir = new File(homeDir, "log");
}
builder.put("path.logs", logDir.getAbsolutePath());
}
private void configureNetwork(Map<String, String> builder) {
InetAddress host = readHost();
int port = Integer.parseInt(props.nonNullValue(ProcessProperties.SEARCH_PORT));
LOGGER.info("Elasticsearch listening on {}:{}", host, port);
builder.put("transport.tcp.port", String.valueOf(port));
builder.put("transport.host", String.valueOf(host.getHostAddress()));
builder.put("network.host", String.valueOf(host.getHostAddress()));
// Elasticsearch sets the default value of TCP reuse address to true only on non-MSWindows machines, but why ?
builder.put("network.tcp.reuse_address", String.valueOf(true));
int httpPort = getHttpPort();
if (httpPort < 0) {
// standard configuration
builder.put("http.enabled", String.valueOf(false));
} else {
LOGGER.warn("Elasticsearch HTTP connector is enabled on port {}. MUST NOT BE USED FOR PRODUCTION", httpPort);
// see https://github.com/lmenezes/elasticsearch-kopf/issues/195
builder.put("http.cors.enabled", String.valueOf(true));
builder.put("http.cors.allow-origin", "*");
builder.put("http.enabled", String.valueOf(true));
builder.put("http.host", host.getHostAddress());
builder.put("http.port", String.valueOf(httpPort));
}
}
private InetAddress readHost() {
String hostProperty = props.nonNullValue(ProcessProperties.SEARCH_HOST);
try {
return InetAddress.getByName(hostProperty);
} catch (UnknownHostException e) {
throw new IllegalStateException("Can not resolve host [" + hostProperty + "]. Please check network settings and property " + ProcessProperties.SEARCH_HOST, e);
}
}
private void configureCluster(Map<String, String> builder) {
// Default value in a standalone mode, not overridable
int minimumMasterNodes = 1;
String initialStateTimeOut = "30s";
if (clusterEnabled) {
minimumMasterNodes = props.valueAsInt(ProcessProperties.SEARCH_MINIMUM_MASTER_NODES, 2);
initialStateTimeOut = props.value(ProcessProperties.SEARCH_INITIAL_STATE_TIMEOUT, "120s");
String hosts = props.value(ProcessProperties.CLUSTER_SEARCH_HOSTS, "");
LOGGER.info("Elasticsearch cluster enabled. Connect to hosts [{}]", hosts);
builder.put("discovery.zen.ping.unicast.hosts", hosts);
}
builder.put("discovery.zen.minimum_master_nodes", String.valueOf(minimumMasterNodes));
builder.put("discovery.initial_state_timeout", initialStateTimeOut);
builder.put("cluster.name", getClusterName());
builder.put("cluster.routing.allocation.awareness.attributes", "rack_id");
builder.put("node.attr.rack_id", nodeName);
builder.put("node.name", nodeName);
builder.put("node.data", String.valueOf(true));
builder.put("node.master", String.valueOf(true));
}
private void configureMarvel(Map<String, String> builder) {
Set<String> marvels = new TreeSet<>();
marvels.addAll(Arrays.asList(StringUtils.split(props.value(PROP_MARVEL_HOSTS, ""), ",")));
// If we're collecting indexing data send them to the Marvel host(s)
if (!marvels.isEmpty()) {
String hosts = StringUtils.join(marvels, ",");
LOGGER.info("Elasticsearch Marvel is enabled for %s", hosts);
builder.put("marvel.agent.exporter.es.hosts", hosts);
}
}
}
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