/*
* Copyright © 2014 Cask Data, 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 co.cask.cdap.data.runtime.main;
import co.cask.cdap.common.conf.CConfiguration;
import co.cask.cdap.common.conf.Constants;
import co.cask.cdap.common.guice.ConfigModule;
import co.cask.cdap.common.guice.DiscoveryRuntimeModule;
import co.cask.cdap.common.guice.IOModule;
import co.cask.cdap.common.guice.KafkaClientModule;
import co.cask.cdap.common.guice.LocationRuntimeModule;
import co.cask.cdap.common.guice.ZKClientModule;
import co.cask.cdap.common.logging.LoggingContextAccessor;
import co.cask.cdap.common.logging.ServiceLoggingContext;
import co.cask.cdap.common.metrics.MetricsCollectionService;
import co.cask.cdap.common.twill.AbstractMasterTwillRunnable;
import co.cask.cdap.data.runtime.DataFabricModules;
import co.cask.cdap.data.runtime.DataSetsModules;
import co.cask.cdap.data.stream.service.StreamHttpService;
import co.cask.cdap.data.stream.service.StreamServiceRuntimeModule;
import co.cask.cdap.gateway.auth.AuthModule;
import co.cask.cdap.logging.appender.LogAppenderInitializer;
import co.cask.cdap.logging.guice.LoggingModules;
import co.cask.cdap.metrics.guice.MetricsClientRuntimeModule;
import com.google.common.base.Throwables;
import com.google.common.util.concurrent.Service;
import com.google.inject.Guice;
import com.google.inject.Injector;
import org.apache.hadoop.conf.Configuration;
import org.apache.twill.api.TwillContext;
import org.apache.twill.kafka.client.KafkaClientService;
import org.apache.twill.zookeeper.ZKClientService;
import java.util.List;
/**
* Twill runnable for running stream http service.
*/
public class StreamHandlerRunnable extends AbstractMasterTwillRunnable {
private Injector injector;
public StreamHandlerRunnable(String name, String cConfName, String hConfName) {
super(name, cConfName, hConfName);
}
@Override
protected void doInit(TwillContext context) {
try {
CConfiguration cConf = getCConfiguration();
Configuration hConf = getConfiguration();
// Set the host name to the one provided by Twill
cConf.set(Constants.Stream.ADDRESS, context.getHost().getHostName());
// Set the worker threads to number of cores * 2 available
cConf.setInt(Constants.Stream.WORKER_THREADS, Runtime.getRuntime().availableProcessors() * 2);
// Set the instance id
cConf.setInt(Constants.Stream.CONTAINER_INSTANCE_ID, context.getInstanceId());
injector = Guice.createInjector(
new ConfigModule(cConf, hConf),
new IOModule(),
new ZKClientModule(),
new KafkaClientModule(),
new DiscoveryRuntimeModule().getDistributedModules(),
new LocationRuntimeModule().getDistributedModules(),
new MetricsClientRuntimeModule().getDistributedModules(),
new DataFabricModules().getDistributedModules(),
new DataSetsModules().getDistributedModule(),
new LoggingModules().getDistributedModules(),
new AuthModule(),
new StreamServiceRuntimeModule().getDistributedModules()
);
injector.getInstance(LogAppenderInitializer.class).initialize();
LoggingContextAccessor.setLoggingContext(new ServiceLoggingContext(Constants.Logging.SYSTEM_NAME,
Constants.Logging.COMPONENT_NAME,
Constants.Service.STREAMS));
} catch (Exception e) {
throw Throwables.propagate(e);
}
}
@Override
protected void getServices(List<? super Service> services) {
services.add(injector.getInstance(ZKClientService.class));
services.add(injector.getInstance(KafkaClientService.class));
services.add(injector.getInstance(MetricsCollectionService.class));
services.add(injector.getInstance(StreamHttpService.class));
}
}