io.druid.cli.CliRouter Maven / Gradle / Ivy
/*
* Druid - a distributed column store.
* Copyright 2012 - 2015 Metamarkets Group Inc.
*
* Licensed 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 io.druid.cli;
import com.google.common.collect.ImmutableList;
import com.google.inject.Binder;
import com.google.inject.Module;
import com.google.inject.Provides;
import com.google.inject.TypeLiteral;
import com.google.inject.name.Names;
import com.metamx.common.logger.Logger;
import io.airlift.command.Command;
import io.druid.curator.discovery.DiscoveryModule;
import io.druid.curator.discovery.ServerDiscoveryFactory;
import io.druid.curator.discovery.ServerDiscoverySelector;
import io.druid.guice.JsonConfigProvider;
import io.druid.guice.LazySingleton;
import io.druid.guice.LifecycleModule;
import io.druid.guice.ManageLifecycle;
import io.druid.guice.annotations.Self;
import io.druid.guice.http.JettyHttpClientModule;
import io.druid.server.initialization.jetty.JettyServerInitializer;
import io.druid.server.router.CoordinatorRuleManager;
import io.druid.server.router.QueryHostFinder;
import io.druid.server.router.Router;
import io.druid.server.router.TieredBrokerConfig;
import io.druid.server.router.TieredBrokerHostSelector;
import io.druid.server.router.TieredBrokerSelectorStrategiesProvider;
import io.druid.server.router.TieredBrokerSelectorStrategy;
import org.eclipse.jetty.server.Server;
import java.util.List;
/**
*/
@Command(
name = "router",
description = "Experimental! Understands tiers and routes things to different brokers"
)
public class CliRouter extends ServerRunnable
{
private static final Logger log = new Logger(CliRouter.class);
public CliRouter()
{
super(log);
}
@Override
protected List getModules()
{
return ImmutableList.of(
new JettyHttpClientModule("druid.router.http", Router.class),
new Module()
{
@Override
public void configure(Binder binder)
{
binder.bindConstant().annotatedWith(Names.named("serviceName")).to("druid/router");
binder.bindConstant().annotatedWith(Names.named("servicePort")).to(8888);
JsonConfigProvider.bind(binder, "druid.router", TieredBrokerConfig.class);
binder.bind(CoordinatorRuleManager.class);
LifecycleModule.register(binder, CoordinatorRuleManager.class);
binder.bind(TieredBrokerHostSelector.class).in(ManageLifecycle.class);
binder.bind(QueryHostFinder.class).in(LazySingleton.class);
binder.bind(new TypeLiteral>(){})
.toProvider(TieredBrokerSelectorStrategiesProvider.class)
.in(LazySingleton.class);
binder.bind(JettyServerInitializer.class).to(RouterJettyServerInitializer.class).in(LazySingleton.class);
LifecycleModule.register(binder, Server.class);
DiscoveryModule.register(binder, Self.class);
}
@Provides
@ManageLifecycle
public ServerDiscoverySelector getCoordinatorServerDiscoverySelector(
TieredBrokerConfig config,
ServerDiscoveryFactory factory
)
{
return factory.createSelector(config.getCoordinatorServiceName());
}
}
);
}
}