forked from antonis.lempesis/dnet-hadoop
moved the tar archive with maz size on common module
This commit is contained in:
parent
dabb33e018
commit
d4382b54df
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package eu.dnetlib.dhp.common;
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import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
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import org.apache.commons.compress.archivers.tar.TarArchiveOutputStream;
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import org.apache.hadoop.fs.*;
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import java.io.BufferedInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.Serializable;
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public class MakeTarArchive implements Serializable {
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private static TarArchiveOutputStream getTar(FileSystem fileSystem, String outputPath) throws IOException {
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Path hdfsWritePath = new Path(outputPath);
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FSDataOutputStream fsDataOutputStream = null;
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if (fileSystem.exists(hdfsWritePath)) {
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fileSystem.delete(hdfsWritePath, true);
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}
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fsDataOutputStream = fileSystem.create(hdfsWritePath);
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return new TarArchiveOutputStream(fsDataOutputStream.getWrappedStream());
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}
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private static void write(FileSystem fileSystem, String inputPath, String outputPath, String dir_name)
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throws IOException {
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Path hdfsWritePath = new Path(outputPath);
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FSDataOutputStream fsDataOutputStream = null;
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if (fileSystem.exists(hdfsWritePath)) {
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fileSystem.delete(hdfsWritePath, true);
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}
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fsDataOutputStream = fileSystem.create(hdfsWritePath);
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TarArchiveOutputStream ar = new TarArchiveOutputStream(fsDataOutputStream.getWrappedStream());
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RemoteIterator<LocatedFileStatus> fileStatusListIterator = fileSystem
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.listFiles(
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new Path(inputPath), true);
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while (fileStatusListIterator.hasNext()) {
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writeCurrentFile(fileSystem, dir_name, fileStatusListIterator, ar, 0);
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}
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ar.close();
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}
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public static void tarMaxSize(FileSystem fileSystem, String inputPath, String outputPath, String dir_name,
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int gBperSplit) throws IOException {
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final long bytesPerSplit = 1024L * 1024L * 1024L * gBperSplit;
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long sourceSize = fileSystem.getContentSummary(new Path(inputPath)).getSpaceConsumed();
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if (sourceSize < bytesPerSplit) {
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write(fileSystem, inputPath, outputPath + ".tar", dir_name);
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} else {
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int partNum = 0;
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RemoteIterator<LocatedFileStatus> fileStatusListIterator = fileSystem
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.listFiles(
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new Path(inputPath), true);
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boolean next = fileStatusListIterator.hasNext();
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while (next) {
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TarArchiveOutputStream ar = getTar(fileSystem, outputPath + "_" + (partNum + 1) + ".tar");
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long current_size = 0;
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while (next && current_size < bytesPerSplit) {
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current_size = writeCurrentFile(fileSystem, dir_name, fileStatusListIterator, ar, current_size);
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next = fileStatusListIterator.hasNext();
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}
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partNum += 1;
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ar.close();
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}
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}
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}
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private static long writeCurrentFile(FileSystem fileSystem, String dir_name,
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RemoteIterator<LocatedFileStatus> fileStatusListIterator,
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TarArchiveOutputStream ar, long current_size) throws IOException {
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LocatedFileStatus fileStatus = fileStatusListIterator.next();
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Path p = fileStatus.getPath();
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String p_string = p.toString();
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if (!p_string.endsWith("_SUCCESS")) {
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String name = p_string.substring(p_string.lastIndexOf("/") + 1);
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if (name.trim().equalsIgnoreCase("communities_infrastructures")) {
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name = "communities_infrastructures.json";
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}
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TarArchiveEntry entry = new TarArchiveEntry(dir_name + "/" + name);
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entry.setSize(fileStatus.getLen());
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current_size += fileStatus.getLen();
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ar.putArchiveEntry(entry);
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InputStream is = fileSystem.open(fileStatus.getPath());
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BufferedInputStream bis = new BufferedInputStream(is);
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int count;
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byte data[] = new byte[1024];
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while ((count = bis.read(data, 0, data.length)) != -1) {
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ar.write(data, 0, count);
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}
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bis.close();
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ar.closeArchiveEntry();
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}
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return current_size;
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}
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}
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@ -0,0 +1,38 @@
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{
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"$schema": "http://json-schema.org/draft-07/schema#",
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"type": "object",
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"properties": {
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"description": {
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"type": "string",
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"description": "Description of the research community/ research infrastructure"
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},
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"id": {
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"type": "string",
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"description": "OpenAIRE id of the research community/ research infrastructure"
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},
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"name": {
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"type": "string",
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"description": "The long name of the community"
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},
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"originalId": {
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"type": "string",
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"description": "The acronym of the community"
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},
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"subject": {
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"description": "Description of subject",
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"type": "array",
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"items": {
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"type": "string",
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"description": "Only for research communities: the list of the subjects associated to the research community"
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}
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},
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"type": {
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"type": "string",
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"description": "The type of the record (research community/research infrastructure)"
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},
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"zenodo_community": {
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"type": "string",
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"description": "The id of the Zenodo communities associated to the research community/Research infrastructure"
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}
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}
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}
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@ -1,38 +0,0 @@
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{
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"$schema": "http://json-schema.org/draft-07/schema#",
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"type": "object",
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"properties": {
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"description": {
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"type": "string",
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"description": "Description of description"
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},
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"id": {
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"type": "string",
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"description": "Description of id"
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},
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"name": {
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"type": "string",
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"description": "Description of name"
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},
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"originalId": {
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"type": "string",
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"description": "Description of originalId"
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},
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"subject": {
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"description": "Description of subject",
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"type": "array",
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"items": {
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"type": "string",
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"description": "Description of subject"
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}
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},
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"type": {
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"type": "string",
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"description": "Description of type"
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},
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"zenodo_community": {
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"type": "string",
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"description": "Description of zenodo_community"
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}
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}
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}
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