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* Licensed to Elasticsearch 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.service;
import com.google.common.collect.ImmutableMap;
import org.elasticsearch.Build;
import org.elasticsearch.Version;
import org.elasticsearch.action.admin.cluster.node.info.NodeInfo;
import org.elasticsearch.action.admin.cluster.node.stats.NodeStats;
import org.elasticsearch.action.admin.indices.stats.CommonStatsFlags;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.collect.MapBuilder;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.discovery.Discovery;
import org.elasticsearch.http.HttpServer;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.indices.breaker.CircuitBreakerService;
import org.elasticsearch.monitor.MonitorService;
import org.elasticsearch.plugins.PluginsService;
import org.elasticsearch.script.ScriptService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.io.IOException;
/**
*/
public class NodeService extends AbstractComponent {
private final ThreadPool threadPool;
private final MonitorService monitorService;
private final TransportService transportService;
private final IndicesService indicesService;
private final PluginsService pluginService;
private final CircuitBreakerService circuitBreakerService;
private ScriptService scriptService;
@Nullable
private HttpServer httpServer;
private volatile ImmutableMap serviceAttributes = ImmutableMap.of();
private final Version version;
private final Discovery discovery;
@Inject
public NodeService(Settings settings, ThreadPool threadPool, MonitorService monitorService, Discovery discovery,
TransportService transportService, IndicesService indicesService,
PluginsService pluginService, CircuitBreakerService circuitBreakerService,
Version version) {
super(settings);
this.threadPool = threadPool;
this.monitorService = monitorService;
this.transportService = transportService;
this.indicesService = indicesService;
this.discovery = discovery;
discovery.setNodeService(this);
this.version = version;
this.pluginService = pluginService;
this.circuitBreakerService = circuitBreakerService;
}
// can not use constructor injection or there will be a circular dependency
@Inject(optional = true)
public void setScriptService(ScriptService scriptService) {
this.scriptService = scriptService;
}
public void setHttpServer(@Nullable HttpServer httpServer) {
this.httpServer = httpServer;
}
public synchronized void putAttribute(String key, String value) {
serviceAttributes = new MapBuilder<>(serviceAttributes).put(key, value).immutableMap();
}
public synchronized void removeAttribute(String key) {
serviceAttributes = new MapBuilder<>(serviceAttributes).remove(key).immutableMap();
}
/**
* Attributes different services in the node can add to be reported as part of the node info (for example).
*/
public ImmutableMap attributes() {
return this.serviceAttributes;
}
public NodeInfo info() {
return new NodeInfo(version, Build.CURRENT, discovery.localNode(), serviceAttributes,
settings,
monitorService.osService().info(),
monitorService.processService().info(),
monitorService.jvmService().info(),
threadPool.info(),
transportService.info(),
httpServer == null ? null : httpServer.info(),
pluginService == null ? null : pluginService.info()
);
}
public NodeInfo info(boolean settings, boolean os, boolean process, boolean jvm, boolean threadPool,
boolean transport, boolean http, boolean plugin) {
return new NodeInfo(version, Build.CURRENT, discovery.localNode(), serviceAttributes,
settings ? this.settings : null,
os ? monitorService.osService().info() : null,
process ? monitorService.processService().info() : null,
jvm ? monitorService.jvmService().info() : null,
threadPool ? this.threadPool.info() : null,
transport ? transportService.info() : null,
http ? (httpServer == null ? null : httpServer.info()) : null,
plugin ? (pluginService == null ? null : pluginService.info()) : null
);
}
public NodeStats stats() throws IOException {
// for indices stats we want to include previous allocated shards stats as well (it will
// only be applied to the sensible ones to use, like refresh/merge/flush/indexing stats)
return new NodeStats(discovery.localNode(), System.currentTimeMillis(),
indicesService.stats(true),
monitorService.osService().stats(),
monitorService.processService().stats(),
monitorService.jvmService().stats(),
threadPool.stats(),
monitorService.fsService().stats(),
transportService.stats(),
httpServer == null ? null : httpServer.stats(),
circuitBreakerService.stats(),
scriptService.stats()
);
}
public NodeStats stats(CommonStatsFlags indices, boolean os, boolean process, boolean jvm, boolean threadPool,
boolean fs, boolean transport, boolean http, boolean circuitBreaker,
boolean script) {
// for indices stats we want to include previous allocated shards stats as well (it will
// only be applied to the sensible ones to use, like refresh/merge/flush/indexing stats)
return new NodeStats(discovery.localNode(), System.currentTimeMillis(),
indices.anySet() ? indicesService.stats(true, indices) : null,
os ? monitorService.osService().stats() : null,
process ? monitorService.processService().stats() : null,
jvm ? monitorService.jvmService().stats() : null,
threadPool ? this.threadPool.stats() : null,
fs ? monitorService.fsService().stats() : null,
transport ? transportService.stats() : null,
http ? (httpServer == null ? null : httpServer.stats()) : null,
circuitBreaker ? circuitBreakerService.stats() : null,
script ? scriptService.stats() : null
);
}
}