package mil.nga.giat.geowave.core.ingest.operations;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import com.beust.jcommander.Parameter;
import com.beust.jcommander.ParameterException;
import com.beust.jcommander.Parameters;
import com.beust.jcommander.ParametersDelegate;
import mil.nga.giat.geowave.core.cli.annotations.GeowaveOperation;
import mil.nga.giat.geowave.core.cli.api.Command;
import mil.nga.giat.geowave.core.cli.api.DefaultOperation;
import mil.nga.giat.geowave.core.cli.api.OperationParams;
import mil.nga.giat.geowave.core.ingest.hdfs.mapreduce.IngestFromHdfsDriver;
import mil.nga.giat.geowave.core.ingest.hdfs.mapreduce.IngestFromHdfsPlugin;
import mil.nga.giat.geowave.core.ingest.hdfs.mapreduce.MapReduceCommandLineOptions;
import mil.nga.giat.geowave.core.ingest.local.LocalInputCommandLineOptions;
import mil.nga.giat.geowave.core.ingest.operations.options.IngestFormatPluginOptions;
import mil.nga.giat.geowave.core.store.operations.remote.options.DataStorePluginOptions;
import mil.nga.giat.geowave.core.store.operations.remote.options.IndexLoader;
import mil.nga.giat.geowave.core.store.operations.remote.options.IndexPluginOptions;
import mil.nga.giat.geowave.core.store.operations.remote.options.StoreLoader;
import mil.nga.giat.geowave.core.store.operations.remote.options.VisibilityOptions;
@GeowaveOperation(name = "mrToGW", parentOperation = IngestSection.class)
@Parameters(commandDescription = "Ingest supported files that already exist in HDFS")
public class MapReduceToGeowaveCommand extends
DefaultOperation implements
Command
{
@Parameter(description = "<hdfs host:port> <path to base directory to write to> <store name> <comma delimited index/group list>")
private List<String> parameters = new ArrayList<String>();
@ParametersDelegate
private VisibilityOptions ingestOptions = new VisibilityOptions();
@ParametersDelegate
private MapReduceCommandLineOptions mapReduceOptions = new MapReduceCommandLineOptions();
@ParametersDelegate
private LocalInputCommandLineOptions localInputOptions = new LocalInputCommandLineOptions();
// This helper is used to load the list of format SPI plugins that will be
// used
@ParametersDelegate
private IngestFormatPluginOptions pluginFormats = new IngestFormatPluginOptions();
private DataStorePluginOptions inputStoreOptions = null;
private List<IndexPluginOptions> inputIndexOptions = null;
@Override
public boolean prepare(
OperationParams params ) {
super.prepare(params);
// TODO: localInputOptions has 'extensions' which doesn't mean
// anything for MapReduce to GeoWave.
// Based on the selected formats, select the format plugins
pluginFormats.selectPlugin(localInputOptions.getFormats());
return true;
}
/**
* Prep the driver & run the operation.
*/
@Override
public void execute(
OperationParams params ) {
// Ensure we have all the required arguments
if (parameters.size() != 4) {
throw new ParameterException(
"Requires arguments: <hdfs host:port> <path to base directory to write to> <store name> <comma delimited index/group list>");
}
if (mapReduceOptions.getJobTrackerOrResourceManagerHostPort() == null) {
throw new ParameterException(
"Requires job tracker or resource manager option (try geowave help <command>...)");
}
String hdfsHostPort = parameters.get(0);
String basePath = parameters.get(1);
String inputStoreName = parameters.get(2);
String indexList = parameters.get(3);
// Ensures that the url starts with hdfs://
if (!hdfsHostPort.contains("://")) {
hdfsHostPort = "hdfs://" + hdfsHostPort;
}
// Config file
File configFile = getGeoWaveConfigFile(params);
// Attempt to load input store.
if (inputStoreOptions == null) {
StoreLoader inputStoreLoader = new StoreLoader(
inputStoreName);
if (!inputStoreLoader.loadFromConfig(configFile)) {
throw new ParameterException(
"Cannot find store name: " + inputStoreLoader.getStoreName());
}
inputStoreOptions = inputStoreLoader.getDataStorePlugin();
}
// Load the Indexes
if (inputIndexOptions == null) {
IndexLoader indexLoader = new IndexLoader(
indexList);
if (!indexLoader.loadFromConfig(configFile)) {
throw new ParameterException(
"Cannot find index(s) by name: " + indexList);
}
inputIndexOptions = indexLoader.getLoadedIndexes();
}
// Ingest Plugins
Map<String, IngestFromHdfsPlugin<?, ?>> ingestPlugins = pluginFormats.createHdfsIngestPlugins();
// Driver
IngestFromHdfsDriver driver = new IngestFromHdfsDriver(
inputStoreOptions,
inputIndexOptions,
ingestOptions,
mapReduceOptions,
ingestPlugins,
hdfsHostPort,
basePath);
// Execute
if (!driver.runOperation()) {
throw new RuntimeException(
"Ingest failed to execute");
}
}
public List<String> getParameters() {
return parameters;
}
public void setParameters(
String hdfsHostPort,
String hdfsPath,
String storeName,
String commaSeparatedIndexes ) {
this.parameters = new ArrayList<String>();
this.parameters.add(hdfsHostPort);
this.parameters.add(hdfsPath);
this.parameters.add(storeName);
this.parameters.add(commaSeparatedIndexes);
}
public VisibilityOptions getIngestOptions() {
return ingestOptions;
}
public void setIngestOptions(
VisibilityOptions ingestOptions ) {
this.ingestOptions = ingestOptions;
}
public MapReduceCommandLineOptions getMapReduceOptions() {
return mapReduceOptions;
}
public void setMapReduceOptions(
MapReduceCommandLineOptions mapReduceOptions ) {
this.mapReduceOptions = mapReduceOptions;
}
public LocalInputCommandLineOptions getLocalInputOptions() {
return localInputOptions;
}
public void setLocalInputOptions(
LocalInputCommandLineOptions localInputOptions ) {
this.localInputOptions = localInputOptions;
}
public IngestFormatPluginOptions getPluginFormats() {
return pluginFormats;
}
public void setPluginFormats(
IngestFormatPluginOptions pluginFormats ) {
this.pluginFormats = pluginFormats;
}
public DataStorePluginOptions getInputStoreOptions() {
return inputStoreOptions;
}
public void setInputStoreOptions(
DataStorePluginOptions inputStoreOptions ) {
this.inputStoreOptions = inputStoreOptions;
}
public List<IndexPluginOptions> getInputIndexOptions() {
return inputIndexOptions;
}
public void setInputIndexOptions(
List<IndexPluginOptions> inputIndexOptions ) {
this.inputIndexOptions = inputIndexOptions;
}
}