/*
* 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.api.client.repackaged.com.google.common.base.Preconditions;
import com.google.api.client.repackaged.com.google.common.base.Throwables;
import com.google.api.client.util.Lists;
import com.google.common.base.Supplier;
import com.google.common.collect.ImmutableList;
import com.google.inject.Binder;
import com.google.inject.Injector;
import com.google.inject.Module;
import com.google.inject.TypeLiteral;
import com.google.inject.name.Names;
import com.metamx.common.logger.Logger;
import io.airlift.command.Arguments;
import io.airlift.command.Command;
import io.druid.indexer.HadoopDruidDetermineConfigurationJob;
import io.druid.indexer.HadoopDruidIndexerConfig;
import io.druid.indexer.HadoopDruidIndexerJob;
import io.druid.indexer.JobHelper;
import io.druid.indexer.Jobby;
import io.druid.indexer.MetadataStorageUpdaterJobHandler;
import io.druid.indexer.updater.MetadataStorageUpdaterJobSpec;
import io.druid.metadata.MetadataStorageConnectorConfig;
import java.io.File;
import java.util.List;
import java.util.Properties;
/**
*/
@Command(
name = "hadoop-indexer",
description = "Runs the batch Hadoop Druid Indexer, see http://druid.io/docs/latest/Batch-ingestion.html for a description."
)
public class CliInternalHadoopIndexer extends GuiceRunnable
{
private static final Logger log = new Logger(CliHadoopIndexer.class);
@Arguments(description = "A JSON object or the path to a file that contains a JSON object", required = true)
private String argumentSpec;
private HadoopDruidIndexerConfig config;
public CliInternalHadoopIndexer()
{
super(log);
}
@Override
protected List<Object> getModules()
{
return ImmutableList.<Object>of(
new Module()
{
@Override
public void configure(Binder binder)
{
binder.bindConstant().annotatedWith(Names.named("serviceName")).to("druid/internal-hadoop-indexer");
binder.bindConstant().annotatedWith(Names.named("servicePort")).to(0);
// bind metadata storage config based on HadoopIOConfig
MetadataStorageUpdaterJobSpec metadataSpec = getHadoopDruidIndexerConfig().getSchema()
.getIOConfig()
.getMetadataUpdateSpec();
binder.bind(new TypeLiteral<Supplier<MetadataStorageConnectorConfig>>() {})
.toInstance(metadataSpec);
}
}
);
}
@Override
public void run()
{
try {
Injector injector = makeInjector();
MetadataStorageUpdaterJobSpec metadataSpec = getHadoopDruidIndexerConfig().getSchema().getIOConfig().getMetadataUpdateSpec();
// override metadata storage type based on HadoopIOConfig
Preconditions.checkNotNull(metadataSpec.getType(), "type in metadataUpdateSpec must not be null");
injector.getInstance(Properties.class).setProperty("druid.metadata.storage.type", metadataSpec.getType());
List<Jobby> jobs = Lists.newArrayList();
jobs.add(new HadoopDruidDetermineConfigurationJob(config));
jobs.add(new HadoopDruidIndexerJob(config, injector.getInstance(MetadataStorageUpdaterJobHandler.class)));
JobHelper.runJobs(jobs, config);
}
catch (Exception e) {
throw Throwables.propagate(e);
}
}
public HadoopDruidIndexerConfig getHadoopDruidIndexerConfig()
{
if(config == null) {
try {
if (argumentSpec.startsWith("{")) {
config = HadoopDruidIndexerConfig.fromString(argumentSpec);
} else {
config = HadoopDruidIndexerConfig.fromFile(new File(argumentSpec));
}
}
catch (Exception e) {
throw Throwables.propagate(e);
}
}
return config;
}
}