76 lines
2.3 KiB
Java
76 lines
2.3 KiB
Java
|
|
package eu.dnetlib.dhp.oa.graph.dump;
|
|
|
|
import java.io.*;
|
|
import java.util.Optional;
|
|
|
|
import org.apache.commons.compress.archivers.ar.ArArchiveEntry;
|
|
import org.apache.commons.compress.archivers.ar.ArArchiveOutputStream;
|
|
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
|
|
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
|
|
import org.apache.commons.io.IOUtils;
|
|
import org.apache.hadoop.conf.Configuration;
|
|
import org.apache.hadoop.fs.*;
|
|
import org.slf4j.Logger;
|
|
import org.slf4j.LoggerFactory;
|
|
|
|
import eu.dnetlib.dhp.application.ArgumentApplicationParser;
|
|
import eu.dnetlib.dhp.common.MakeTarArchive;
|
|
import eu.dnetlib.dhp.oa.graph.dump.community.CommunityMap;
|
|
|
|
public class MakeTar implements Serializable {
|
|
|
|
private static final Logger log = LoggerFactory.getLogger(MakeTar.class);
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
String jsonConfiguration = IOUtils
|
|
.toString(
|
|
MakeTar.class
|
|
.getResourceAsStream(
|
|
"/eu/dnetlib/dhp/oa/graph/dump/input_maketar_parameters.json"));
|
|
|
|
final ArgumentApplicationParser parser = new ArgumentApplicationParser(jsonConfiguration);
|
|
parser.parseArgument(args);
|
|
|
|
final String outputPath = parser.get("hdfsPath");
|
|
log.info("hdfsPath: {}", outputPath);
|
|
|
|
final String hdfsNameNode = parser.get("nameNode");
|
|
log.info("nameNode: {}", hdfsNameNode);
|
|
|
|
final String inputPath = parser.get("sourcePath");
|
|
log.info("input path : {}", inputPath);
|
|
|
|
final int gBperSplit = Optional
|
|
.ofNullable(parser.get("splitSize"))
|
|
.map(Integer::valueOf)
|
|
.orElse(10);
|
|
|
|
Configuration conf = new Configuration();
|
|
conf.set("fs.defaultFS", hdfsNameNode);
|
|
|
|
FileSystem fileSystem = FileSystem.get(conf);
|
|
|
|
makeTArArchive(fileSystem, inputPath, outputPath, gBperSplit);
|
|
|
|
}
|
|
|
|
public static void makeTArArchive(FileSystem fileSystem, String inputPath, String outputPath, int gBperSplit)
|
|
throws IOException {
|
|
|
|
RemoteIterator<LocatedFileStatus> dir_iterator = fileSystem.listLocatedStatus(new Path(inputPath));
|
|
|
|
while (dir_iterator.hasNext()) {
|
|
LocatedFileStatus fileStatus = dir_iterator.next();
|
|
|
|
Path p = fileStatus.getPath();
|
|
String p_string = p.toString();
|
|
String entity = p_string.substring(p_string.lastIndexOf("/") + 1);
|
|
|
|
MakeTarArchive.tarMaxSize(fileSystem, p_string, outputPath + "/" + entity, entity, gBperSplit);
|
|
}
|
|
|
|
}
|
|
|
|
}
|