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/*
* SonarQube, open source software quality management tool.
* Copyright (C) 2008-2014 SonarSource
* mailto:contact AT sonarsource DOT com
*
* SonarQube 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.
*
* SonarQube 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 org.apache.commons.lang.StringUtils;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonar.process.MessageException;
import org.sonar.process.ProcessProperties;
import org.sonar.process.Props;
import org.sonar.search.script.ListUpdate;
import java.io.File;
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.TreeSet;
class SearchSettings {
private static final Logger LOGGER = LoggerFactory.getLogger(SearchSettings.class);
public static final String PROP_MARVEL_HOSTS = "sonar.search.marvelHosts";
private final Props props;
private final Set<String> masterHosts = new LinkedHashSet<>();
SearchSettings(Props props) {
this.props = props;
masterHosts.addAll(Arrays.asList(StringUtils.split(props.value(ProcessProperties.CLUSTER_MASTER_HOST, ""), ",")));
}
boolean inCluster() {
return props.valueAsBoolean(ProcessProperties.CLUSTER_ACTIVATE, false);
}
boolean isMaster() {
return props.valueAsBoolean(ProcessProperties.CLUSTER_MASTER, false);
}
Settings build() {
ImmutableSettings.Builder builder = ImmutableSettings.settingsBuilder();
configureFileSystem(builder);
configureIndexDefaults(builder);
configurePlugins(builder);
configureNetwork(builder);
configureCluster(builder);
configureMarvel(builder);
return builder.build();
}
private void configureFileSystem(ImmutableSettings.Builder builder) {
File homeDir = props.nonNullValueAsFile(ProcessProperties.PATH_HOME);
File dataDir, workDir, 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());
// working dir
String workPath = props.value(ProcessProperties.PATH_TEMP);
if (StringUtils.isNotEmpty(workPath)) {
workDir = new File(workPath);
} else {
workDir = new File(homeDir, "temp");
}
builder.put("path.work", workDir.getAbsolutePath());
builder.put("path.plugins", workDir.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 configurePlugins(ImmutableSettings.Builder builder) {
builder
.put("script.default_lang", "native")
.put(String.format("script.native.%s.type", ProcessProperties.ES_PLUGIN_LISTUPDATE_SCRIPT_NAME),
ListUpdate.UpdateListScriptFactory.class.getName());
}
private void configureNetwork(ImmutableSettings.Builder builder) {
// the following properties can't be null as default values are defined by app process
String host = props.nonNullValue(ProcessProperties.SEARCH_HOST);
int port = Integer.parseInt(props.nonNullValue(ProcessProperties.SEARCH_PORT));
LOGGER.info("Elasticsearch listening on {}:{}", host, port);
// disable multicast
builder.put("discovery.zen.ping.multicast.enabled", "false");
builder.put("transport.tcp.port", port);
builder.put("transport.host", host);
// Elasticsearch sets the default value of TCP reuse address to true only on non-MSWindows machines, but why ?
builder.put("network.tcp.reuse_address", true);
Integer httpPort = props.valueAsInt(ProcessProperties.SEARCH_HTTP_PORT);
if (httpPort == null || httpPort < 0) {
// standard configuration
builder.put("http.enabled", false);
} else {
LOGGER.warn(String.format(
"Elasticsearch HTTP connector is enabled on port %d. MUST NOT BE USED FOR PRODUCTION", httpPort));
// see https://github.com/lmenezes/elasticsearch-kopf/issues/195
builder.put("http.cors.enabled", true);
builder.put("http.enabled", true);
builder.put("http.host", host);
builder.put("http.port", httpPort);
}
}
private void configureIndexDefaults(ImmutableSettings.Builder builder) {
builder
.put("index.number_of_shards", "1")
.put("index.refresh_interval", "30s")
.put("action.auto_create_index", false)
.put("index.mapper.dynamic", false);
}
private void configureCluster(ImmutableSettings.Builder builder) {
int replicationFactor = 0;
if (inCluster()) {
replicationFactor = 1;
if (isMaster()) {
LOGGER.info("Elasticsearch cluster enabled. Master node.");
builder.put("node.master", true);
} else if (!masterHosts.isEmpty()) {
LOGGER.info("Elasticsearch cluster enabled. Node connecting to master: {}", masterHosts);
builder.put("discovery.zen.ping.unicast.hosts", StringUtils.join(masterHosts, ","));
builder.put("node.master", false);
builder.put("discovery.zen.minimum_master_nodes", 1);
} else {
throw new MessageException(String.format("Not an Elasticsearch master nor slave. Please check properties %s and %s",
ProcessProperties.CLUSTER_MASTER, ProcessProperties.CLUSTER_MASTER_HOST));
}
}
builder.put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, replicationFactor);
builder.put("cluster.name", props.value(ProcessProperties.CLUSTER_NAME));
builder.put("cluster.routing.allocation.awareness.attributes", "rack_id");
builder.put("node.rack_id", props.value(ProcessProperties.CLUSTER_NODE_NAME, "unknown"));
builder.put("node.name", props.value(ProcessProperties.CLUSTER_NODE_NAME));
}
private void configureMarvel(ImmutableSettings.Builder 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(String.format("Elasticsearch Marvel is enabled for %s", hosts));
builder.put("marvel.agent.exporter.es.hosts", hosts);
}
}
}
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