/*
* Druid - a distributed column store.
* Copyright (C) 2012, 2013 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* 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 General Public License for more details.
*
* You should have received a copy of the GNU 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 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.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<Object> getModules()
{
return ImmutableList.<Object>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<List<TieredBrokerSelectorStrategy>>(){})
.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());
}
}
);
}
}