moved the tar archive with maz size on common module

This commit is contained in:
Miriam Baglioni 2020-11-03 16:54:50 +01:00
parent dabb33e018
commit d4382b54df
3 changed files with 157 additions and 38 deletions

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package eu.dnetlib.dhp.common;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
import org.apache.hadoop.fs.*;
import java.io.BufferedInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.Serializable;
public class MakeTarArchive implements Serializable {
private static TarArchiveOutputStream getTar(FileSystem fileSystem, String outputPath) throws IOException {
Path hdfsWritePath = new Path(outputPath);
FSDataOutputStream fsDataOutputStream = null;
if (fileSystem.exists(hdfsWritePath)) {
fileSystem.delete(hdfsWritePath, true);
}
fsDataOutputStream = fileSystem.create(hdfsWritePath);
return new TarArchiveOutputStream(fsDataOutputStream.getWrappedStream());
}
private static void write(FileSystem fileSystem, String inputPath, String outputPath, String dir_name)
throws IOException {
Path hdfsWritePath = new Path(outputPath);
FSDataOutputStream fsDataOutputStream = null;
if (fileSystem.exists(hdfsWritePath)) {
fileSystem.delete(hdfsWritePath, true);
}
fsDataOutputStream = fileSystem.create(hdfsWritePath);
TarArchiveOutputStream ar = new TarArchiveOutputStream(fsDataOutputStream.getWrappedStream());
RemoteIterator<LocatedFileStatus> fileStatusListIterator = fileSystem
.listFiles(
new Path(inputPath), true);
while (fileStatusListIterator.hasNext()) {
writeCurrentFile(fileSystem, dir_name, fileStatusListIterator, ar, 0);
}
ar.close();
}
public static void tarMaxSize(FileSystem fileSystem, String inputPath, String outputPath, String dir_name,
int gBperSplit) throws IOException {
final long bytesPerSplit = 1024L * 1024L * 1024L * gBperSplit;
long sourceSize = fileSystem.getContentSummary(new Path(inputPath)).getSpaceConsumed();
if (sourceSize < bytesPerSplit) {
write(fileSystem, inputPath, outputPath + ".tar", dir_name);
} else {
int partNum = 0;
RemoteIterator<LocatedFileStatus> fileStatusListIterator = fileSystem
.listFiles(
new Path(inputPath), true);
boolean next = fileStatusListIterator.hasNext();
while (next) {
TarArchiveOutputStream ar = getTar(fileSystem, outputPath + "_" + (partNum + 1) + ".tar");
long current_size = 0;
while (next && current_size < bytesPerSplit) {
current_size = writeCurrentFile(fileSystem, dir_name, fileStatusListIterator, ar, current_size);
next = fileStatusListIterator.hasNext();
}
partNum += 1;
ar.close();
}
}
}
private static long writeCurrentFile(FileSystem fileSystem, String dir_name,
RemoteIterator<LocatedFileStatus> fileStatusListIterator,
TarArchiveOutputStream ar, long current_size) throws IOException {
LocatedFileStatus fileStatus = fileStatusListIterator.next();
Path p = fileStatus.getPath();
String p_string = p.toString();
if (!p_string.endsWith("_SUCCESS")) {
String name = p_string.substring(p_string.lastIndexOf("/") + 1);
if (name.trim().equalsIgnoreCase("communities_infrastructures")) {
name = "communities_infrastructures.json";
}
TarArchiveEntry entry = new TarArchiveEntry(dir_name + "/" + name);
entry.setSize(fileStatus.getLen());
current_size += fileStatus.getLen();
ar.putArchiveEntry(entry);
InputStream is = fileSystem.open(fileStatus.getPath());
BufferedInputStream bis = new BufferedInputStream(is);
int count;
byte data[] = new byte[1024];
while ((count = bis.read(data, 0, data.length)) != -1) {
ar.write(data, 0, count);
}
bis.close();
ar.closeArchiveEntry();
}
return current_size;
}
}

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{
"$schema": "http://json-schema.org/draft-07/schema#",
"type": "object",
"properties": {
"description": {
"type": "string",
"description": "Description of the research community/ research infrastructure"
},
"id": {
"type": "string",
"description": "OpenAIRE id of the research community/ research infrastructure"
},
"name": {
"type": "string",
"description": "The long name of the community"
},
"originalId": {
"type": "string",
"description": "The acronym of the community"
},
"subject": {
"description": "Description of subject",
"type": "array",
"items": {
"type": "string",
"description": "Only for research communities: the list of the subjects associated to the research community"
}
},
"type": {
"type": "string",
"description": "The type of the record (research community/research infrastructure)"
},
"zenodo_community": {
"type": "string",
"description": "The id of the Zenodo communities associated to the research community/Research infrastructure"
}
}
}

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@ -1,38 +0,0 @@
{
"$schema": "http://json-schema.org/draft-07/schema#",
"type": "object",
"properties": {
"description": {
"type": "string",
"description": "Description of description"
},
"id": {
"type": "string",
"description": "Description of id"
},
"name": {
"type": "string",
"description": "Description of name"
},
"originalId": {
"type": "string",
"description": "Description of originalId"
},
"subject": {
"description": "Description of subject",
"type": "array",
"items": {
"type": "string",
"description": "Description of subject"
}
},
"type": {
"type": "string",
"description": "Description of type"
},
"zenodo_community": {
"type": "string",
"description": "Description of zenodo_community"
}
}
}