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ElasticSearch - Open Source, Distributed, RESTful Search Engine
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.node.internal;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.Version;
import org.elasticsearch.action.ActionModule;
import org.elasticsearch.bulk.udp.BulkUdpModule;
import org.elasticsearch.bulk.udp.BulkUdpService;
import org.elasticsearch.cache.NodeCache;
import org.elasticsearch.cache.NodeCacheModule;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.node.NodeClientModule;
import org.elasticsearch.cluster.ClusterModule;
import org.elasticsearch.cluster.ClusterNameModule;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.routing.RoutingService;
import org.elasticsearch.cluster.routing.allocation.AllocationService;
import org.elasticsearch.common.CacheRecycler;
import org.elasticsearch.common.StopWatch;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.component.Lifecycle;
import org.elasticsearch.common.component.LifecycleComponent;
import org.elasticsearch.common.compress.CompressorFactory;
import org.elasticsearch.common.inject.Injector;
import org.elasticsearch.common.inject.Injectors;
import org.elasticsearch.common.inject.ModulesBuilder;
import org.elasticsearch.common.io.CachedStreams;
import org.elasticsearch.common.logging.ESLogger;
import org.elasticsearch.common.logging.Loggers;
import org.elasticsearch.common.network.NetworkModule;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsModule;
import org.elasticsearch.common.util.concurrent.ThreadLocals;
import org.elasticsearch.discovery.Discovery;
import org.elasticsearch.discovery.DiscoveryModule;
import org.elasticsearch.discovery.DiscoveryService;
import org.elasticsearch.env.Environment;
import org.elasticsearch.env.EnvironmentModule;
import org.elasticsearch.env.NodeEnvironment;
import org.elasticsearch.env.NodeEnvironmentModule;
import org.elasticsearch.gateway.GatewayModule;
import org.elasticsearch.gateway.GatewayService;
import org.elasticsearch.http.HttpServer;
import org.elasticsearch.http.HttpServerModule;
import org.elasticsearch.index.search.shape.ShapeModule;
import org.elasticsearch.indices.IndicesModule;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.indices.cache.filter.IndicesFilterCache;
import org.elasticsearch.indices.cluster.IndicesClusterStateService;
import org.elasticsearch.indices.fielddata.cache.IndicesFieldDataCache;
import org.elasticsearch.indices.memory.IndexingMemoryController;
import org.elasticsearch.indices.ttl.IndicesTTLService;
import org.elasticsearch.monitor.MonitorModule;
import org.elasticsearch.monitor.MonitorService;
import org.elasticsearch.monitor.jvm.JvmInfo;
import org.elasticsearch.node.Node;
import org.elasticsearch.plugins.PluginsModule;
import org.elasticsearch.plugins.PluginsService;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestModule;
import org.elasticsearch.river.RiversManager;
import org.elasticsearch.river.RiversModule;
import org.elasticsearch.script.ScriptModule;
import org.elasticsearch.script.ScriptService;
import org.elasticsearch.search.SearchModule;
import org.elasticsearch.search.SearchService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.threadpool.ThreadPoolModule;
import org.elasticsearch.transport.TransportModule;
import org.elasticsearch.transport.TransportService;
import java.util.Arrays;
import java.util.concurrent.TimeUnit;
/**
*
*/
public final class InternalNode implements Node {
private final Lifecycle lifecycle = new Lifecycle();
private final Injector injector;
private final Settings settings;
private final Environment environment;
private final PluginsService pluginsService;
private final Client client;
public InternalNode() throws ElasticSearchException {
this(ImmutableSettings.Builder.EMPTY_SETTINGS, true);
}
public InternalNode(Settings pSettings, boolean loadConfigSettings) throws ElasticSearchException {
Tuple tuple = InternalSettingsPerparer.prepareSettings(pSettings, loadConfigSettings);
ESLogger logger = Loggers.getLogger(Node.class, tuple.v1().get("name"));
logger.info("{{}}[{}]: initializing ...", Version.CURRENT, JvmInfo.jvmInfo().pid());
if (logger.isDebugEnabled()) {
Environment env = tuple.v2();
logger.debug("using home [{}], config [{}], data [{}], logs [{}], work [{}], plugins [{}]",
env.homeFile(), env.configFile(), Arrays.toString(env.dataFiles()), env.logsFile(),
env.workFile(), env.pluginsFile());
}
this.pluginsService = new PluginsService(tuple.v1(), tuple.v2());
this.settings = pluginsService.updatedSettings();
this.environment = tuple.v2();
CompressorFactory.configure(settings);
NodeEnvironment nodeEnvironment = new NodeEnvironment(this.settings, this.environment);
ModulesBuilder modules = new ModulesBuilder();
modules.add(new PluginsModule(settings, pluginsService));
modules.add(new SettingsModule(settings));
modules.add(new NodeModule(this));
modules.add(new NetworkModule());
modules.add(new NodeCacheModule(settings));
modules.add(new ScriptModule(settings));
modules.add(new EnvironmentModule(environment));
modules.add(new NodeEnvironmentModule(nodeEnvironment));
modules.add(new ClusterNameModule(settings));
modules.add(new ThreadPoolModule(settings));
modules.add(new DiscoveryModule(settings));
modules.add(new ClusterModule(settings));
modules.add(new RestModule(settings));
modules.add(new TransportModule(settings));
if (settings.getAsBoolean("http.enabled", true)) {
modules.add(new HttpServerModule(settings));
}
modules.add(new RiversModule(settings));
modules.add(new IndicesModule(settings));
modules.add(new SearchModule());
modules.add(new ActionModule(false));
modules.add(new MonitorModule(settings));
modules.add(new GatewayModule(settings));
modules.add(new NodeClientModule());
modules.add(new BulkUdpModule());
modules.add(new ShapeModule());
injector = modules.createInjector();
client = injector.getInstance(Client.class);
logger.info("{{}}[{}]: initialized", Version.CURRENT, JvmInfo.jvmInfo().pid());
}
@Override
public Settings settings() {
return this.settings;
}
@Override
public Client client() {
return client;
}
public Node start() {
if (!lifecycle.moveToStarted()) {
return this;
}
ESLogger logger = Loggers.getLogger(Node.class, settings.get("name"));
logger.info("{{}}[{}]: starting ...", Version.CURRENT, JvmInfo.jvmInfo().pid());
// hack around dependency injection problem (for now...)
injector.getInstance(Discovery.class).setAllocationService(injector.getInstance(AllocationService.class));
for (Class plugin : pluginsService.services()) {
injector.getInstance(plugin).start();
}
injector.getInstance(IndicesService.class).start();
injector.getInstance(IndexingMemoryController.class).start();
injector.getInstance(IndicesClusterStateService.class).start();
injector.getInstance(IndicesTTLService.class).start();
injector.getInstance(RiversManager.class).start();
injector.getInstance(ClusterService.class).start();
injector.getInstance(RoutingService.class).start();
injector.getInstance(SearchService.class).start();
injector.getInstance(MonitorService.class).start();
injector.getInstance(RestController.class).start();
injector.getInstance(TransportService.class).start();
DiscoveryService discoService = injector.getInstance(DiscoveryService.class).start();
// gateway should start after disco, so it can try and recovery from gateway on "start"
injector.getInstance(GatewayService.class).start();
if (settings.getAsBoolean("http.enabled", true)) {
injector.getInstance(HttpServer.class).start();
}
injector.getInstance(BulkUdpService.class).start();
logger.info("{{}}[{}]: started", Version.CURRENT, JvmInfo.jvmInfo().pid());
return this;
}
@Override
public Node stop() {
if (!lifecycle.moveToStopped()) {
return this;
}
ESLogger logger = Loggers.getLogger(Node.class, settings.get("name"));
logger.info("{{}}[{}]: stopping ...", Version.CURRENT, JvmInfo.jvmInfo().pid());
injector.getInstance(BulkUdpService.class).stop();
if (settings.getAsBoolean("http.enabled", true)) {
injector.getInstance(HttpServer.class).stop();
}
injector.getInstance(RiversManager.class).stop();
// stop any changes happening as a result of cluster state changes
injector.getInstance(IndicesClusterStateService.class).stop();
// we close indices first, so operations won't be allowed on it
injector.getInstance(IndexingMemoryController.class).stop();
injector.getInstance(IndicesTTLService.class).stop();
injector.getInstance(IndicesService.class).stop();
// sleep a bit to let operations finish with indices service
// try {
// Thread.sleep(500);
// } catch (InterruptedException e) {
// // ignore
// }
injector.getInstance(RoutingService.class).stop();
injector.getInstance(ClusterService.class).stop();
injector.getInstance(DiscoveryService.class).stop();
injector.getInstance(MonitorService.class).stop();
injector.getInstance(GatewayService.class).stop();
injector.getInstance(SearchService.class).stop();
injector.getInstance(RestController.class).stop();
injector.getInstance(TransportService.class).stop();
for (Class plugin : pluginsService.services()) {
injector.getInstance(plugin).stop();
}
logger.info("{{}}[{}]: stopped", Version.CURRENT, JvmInfo.jvmInfo().pid());
return this;
}
public void close() {
if (lifecycle.started()) {
stop();
}
if (!lifecycle.moveToClosed()) {
return;
}
ESLogger logger = Loggers.getLogger(Node.class, settings.get("name"));
logger.info("{{}}[{}]: closing ...", Version.CURRENT, JvmInfo.jvmInfo().pid());
StopWatch stopWatch = new StopWatch("node_close");
stopWatch.start("bulk.udp");
injector.getInstance(BulkUdpService.class).close();
stopWatch.stop().start("http");
if (settings.getAsBoolean("http.enabled", true)) {
injector.getInstance(HttpServer.class).close();
}
stopWatch.stop().start("rivers");
injector.getInstance(RiversManager.class).close();
stopWatch.stop().start("client");
injector.getInstance(Client.class).close();
stopWatch.stop().start("indices_cluster");
injector.getInstance(IndicesClusterStateService.class).close();
stopWatch.stop().start("indices");
injector.getInstance(IndicesFilterCache.class).close();
injector.getInstance(IndicesFieldDataCache.class).close();
injector.getInstance(IndexingMemoryController.class).close();
injector.getInstance(IndicesTTLService.class).close();
injector.getInstance(IndicesService.class).close();
stopWatch.stop().start("routing");
injector.getInstance(RoutingService.class).close();
stopWatch.stop().start("cluster");
injector.getInstance(ClusterService.class).close();
stopWatch.stop().start("discovery");
injector.getInstance(DiscoveryService.class).close();
stopWatch.stop().start("monitor");
injector.getInstance(MonitorService.class).close();
stopWatch.stop().start("gateway");
injector.getInstance(GatewayService.class).close();
stopWatch.stop().start("search");
injector.getInstance(SearchService.class).close();
stopWatch.stop().start("rest");
injector.getInstance(RestController.class).close();
stopWatch.stop().start("transport");
injector.getInstance(TransportService.class).close();
for (Class plugin : pluginsService.services()) {
stopWatch.stop().start("plugin(" + plugin.getName() + ")");
injector.getInstance(plugin).close();
}
stopWatch.stop().start("node_cache");
injector.getInstance(NodeCache.class).close();
stopWatch.stop().start("script");
injector.getInstance(ScriptService.class).close();
stopWatch.stop().start("thread_pool");
injector.getInstance(ThreadPool.class).shutdown();
try {
injector.getInstance(ThreadPool.class).awaitTermination(10, TimeUnit.SECONDS);
} catch (InterruptedException e) {
// ignore
}
stopWatch.stop().start("thread_pool_force_shutdown");
try {
injector.getInstance(ThreadPool.class).shutdownNow();
} catch (Exception e) {
// ignore
}
stopWatch.stop();
if (logger.isTraceEnabled()) {
logger.trace("Close times for each service:\n{}", stopWatch.prettyPrint());
}
injector.getInstance(NodeEnvironment.class).close();
Injectors.close(injector);
CacheRecycler.clear();
CachedStreams.clear();
ThreadLocals.clearReferencesThreadLocals();
logger.info("{{}}[{}]: closed", Version.CURRENT, JvmInfo.jvmInfo().pid());
}
@Override
public boolean isClosed() {
return lifecycle.closed();
}
public Injector injector() {
return this.injector;
}
public static void main(String[] args) throws Exception {
final InternalNode node = new InternalNode();
node.start();
Runtime.getRuntime().addShutdownHook(new Thread() {
@Override
public void run() {
node.close();
}
});
}
}
