io.druid.cli.CliInternalHadoopIndexer 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.base.Preconditions;
import com.google.common.base.Supplier;
import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
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 getModules()
{
return ImmutableList.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>() {})
.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 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;
}
}