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UrlsController
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Handle the case when the "upload-file-to-S3" operation fails with a "ConnectException". In this case, all remaining upload operations for the files of that particular batch or segment, are canceled.

This commit is contained in:
Lampros Smyrnaios 2023-10-04 13:01:13 +03:00
parent 865926fbc3
commit c9626de120
2 changed files with 102 additions and 76 deletions
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30
src/main/java/eu/openaire/urls_controller/services/BulkImportServiceImpl.java
View File

@ -21,6 +21,7 @@ import org.springframework.stereotype.Service;
import javax.xml.bind.DatatypeConverter;
import java.io.File;
import java.net.ConnectException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
@ -243,8 +244,20 @@ public class BulkImportServiceImpl implements BulkImportService {
int counter = 0;
// Upload files to S3 and collect payloadRecords.
for ( String fileLocation: fileLocationsSegment ) {
GenericData.Record record = processBulkImportedFile(fileLocation, provenance, bulkImportSource, timeMillis, additionalLoggingMsg);
for ( int i=0; i < numOfFilesInSegment; ++i ) {
String fileLocation = fileLocationsSegment.get(i);
GenericData.Record record = null;
try {
record = processBulkImportedFile(fileLocation, provenance, bulkImportSource, timeMillis, additionalLoggingMsg);
} catch (ConnectException ce) {
String errorMsg = "ConnectException when uploading the files of segment_" + segmentCounter + " to the S3 Object Store. Will avoid uploading any file for this segment..";
logger.error(errorMsg + additionalLoggingMsg);
bulkImportReport.addEvent(errorMsg);
for ( int j=i; j < numOfFilesInSegment; ++j )
failedFiles.add(fileLocationsSegment.get(j)); // The rest of the files are considered "failed".
break;
}
if ( record != null )
payloadRecords.add(record);
else {
@ -343,6 +356,7 @@ public class BulkImportServiceImpl implements BulkImportService {
private GenericData.Record processBulkImportedFile(String fileLocation, String provenance, BulkImport.BulkImportSource bulkImportSource, long timeMillis, String additionalLoggingMsg)
throws ConnectException
{
File fullTextFile = new File(fileLocation);
DocFileData docFileData = new DocFileData(fullTextFile, null, null, null);
@ -401,16 +415,8 @@ public class BulkImportServiceImpl implements BulkImportService {
// The above analysis is educational, it does not need to take place and is not currently used.
s3Url = alreadyFoundFileLocation;
} else {
try {
s3Url = fileUtils.constructFileNameAndUploadToS3(fileLocationData.getFileDir(), fileLocationData.getFileName(), openAireId, fileLocationData.getDotFileExtension(), datasourceId, fileHash); // This throws Exception, in case the uploading failed.
if ( s3Url == null )
return null; // In case the 'datasourceID' or 'hash' is null. Which should never happen here, since both of them are checked before the execution reaches here.
} catch (Exception e) {
logger.error("Could not upload the file '" + fileLocationData.getFileName() + "' to the S3 ObjectStore!" + additionalLoggingMsg, e);
return null;
}
}
} else
s3Url = fileUtils.constructS3FilenameAndUploadToS3(fileLocationData.getFileDir(), fileLocationData.getFileName(), fileNameID, fileLocationData.getDotFileExtension(), datasourceId, fileHash);
GenericData.Record record = new GenericData.Record(ParquetFileUtils.payloadsSchema);
record.put("id", openAireId);

148
src/main/java/eu/openaire/urls_controller/util/FileUtils.java
View File

@ -18,6 +18,7 @@ import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Component;
import java.io.*;
import java.net.ConnectException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.file.Files;
@ -487,66 +488,68 @@ public class FileUtils {
}
// Let's try to upload the file to S3 and update the payloads, either in successful file-uploads (right-away) or not (in the end).
try {
// Prepare the filename as: "datasourceid/publicationid::hash.pdf"
// All related payloads point to this exact same file, BUT, may be related with different urlIDs, which in turn be related with different datasourceIDs.
// This file could have been found from different urlIds and thus be related to multiple datasourceIds.
// BUT, since the filename contains a specific urlID, the datasourceId should be the one related to that specific urlID.
// So, we extract this urlID, search the payload inside the "fileRelatedPayloads" and get the related datasourceID (instead of taking the first or a random datasourceID).
Matcher matcher = FILENAME_ID_EXTENSION.matcher(fileName);
if ( !matcher.matches() ) {
logger.error("Failed to match the \"" + fileName + "\" with the regex: " + FILENAME_ID_EXTENSION);
continue;
}
// The "matcher.group(3)" returns the "filenameWithoutExtension", which is currently not used.
String fileNameID = matcher.group(4);
if ( (fileNameID == null) || fileNameID.isEmpty() ) {
logger.error("Failed to extract the \"fileNameID\" from \"" + fileName + "\".");
continue;
}
String dotFileExtension = matcher.group(5);
if ( (dotFileExtension == null) || dotFileExtension.isEmpty() ) {
logger.error("Failed to extract the \"dotFileExtension\" from \"" + fileName + "\".");
continue;
}
// Prepare the filename as: "datasourceid/publicationid::hash.pdf"
// All related payloads point to this exact same file, BUT, may be related with different urlIDs, which in turn be related with different datasourceIDs.
// This file could have been found from different urlIds and thus be related to multiple datasourceIds.
// BUT, since the filename contains a specific urlID, the datasourceId should be the one related to that specific urlID.
// So, we extract this urlID, search the payload inside the "fileRelatedPayloads" and get the related datasourceID (instead of taking the first or a random datasourceID).
// This file is related with some payloads, in a sense that these payloads have urls which lead to the same full-text url.
// These payloads might have different IDs and sourceUrls. But, in the end, the different sourceUrls give the same full-text.
// Below, we make sure we pick the "datasource" from the payload, which has the same id as the full-text's name.
// If there are multiple payloads with the same id, which point to the same file, then we can take whatever datasource we want from those payloads.
// It is possible that payloads with same IDs, but different sourceUrls pointing to the same full-text, can be related with different datasources
// (especially for IDs of type: "doiboost_____::XXXXXXXXXXXXXXXXXXXXX").
// It does not really matter, since the first-ever payload to give this full-text could very well be another one,
// since the crawling happens in multiple threads which compete with each other for CPU time.
String datasourceId = null;
String hash = null;
boolean isFound = false;
for ( Payload payload : fileRelatedPayloads ) {
if ( fileNameID.equals(payload.getId()) ) {
datasourceId = payload.getDatasourceId();
hash = payload.getHash();
isFound = true;
break;
}
}
if ( !isFound ) { // This should never normally happen. If it does, then a very bad change will have taken place.
logger.error("The \"fileNameID\" (" + fileNameID + ") was not found inside the \"fileRelatedPayloads\" for fileName: " + fileName);
continue;
}
String s3Url = constructFileNameAndUploadToS3(targetDirectory, fileName, fileNameID, dotFileExtension, datasourceId, hash);
if ( s3Url == null )
continue;
setFullTextForMultiplePayloads(fileRelatedPayloads, s3Url);
//numUploadedFiles ++;
} catch (Exception e) {
logger.error("Could not upload the file \"" + fileName + "\" to the S3 ObjectStore!", e);
Matcher matcher = FILENAME_ID_EXTENSION.matcher(fileName);
if ( !matcher.matches() ) {
logger.error("Failed to match the \"" + fileName + "\" with the regex: " + FILENAME_ID_EXTENSION);
continue;
}
// Else, the record will have its file-data set to "null", in the end of this method.
// The "matcher.group(3)" returns the "filenameWithoutExtension", which is currently not used.
// Use the "fileNameID" and not the "filenameWithoutExtension", as we want to avoid keeping the possible "parenthesis" with the increasing number (about the duplication of ID-fileName).
String fileNameID = matcher.group(4);
if ( (fileNameID == null) || fileNameID.isEmpty() ) {
logger.error("Failed to extract the \"fileNameID\" from \"" + fileName + "\".");
continue;
}
String dotFileExtension = matcher.group(5);
if ( (dotFileExtension == null) || dotFileExtension.isEmpty() ) {
logger.error("Failed to extract the \"dotFileExtension\" from \"" + fileName + "\".");
continue;
}
// This file is related with some payloads, in a sense that these payloads have urls which lead to the same full-text url.
// These payloads might have different IDs and sourceUrls. But, in the end, the different sourceUrls give the same full-text.
// Below, we make sure we pick the "datasource" from the payload, which has the same id as the full-text's name.
// If there are multiple payloads with the same id, which point to the same file, then we can take whatever datasource we want from those payloads.
// It is possible that payloads with same IDs, but different sourceUrls pointing to the same full-text, can be related with different datasources
// (especially for IDs of type: "doiboost_____::XXXXXXXXXXXXXXXXXXXXX").
// It does not really matter, since the first-ever payload to give this full-text could very well be another one,
// since the crawling happens in multiple threads which compete with each other for CPU time.
String datasourceId = null;
String hash = null;
boolean isFound = false;
for ( Payload payload : fileRelatedPayloads ) {
if ( fileNameID.equals(payload.getId()) ) {
datasourceId = payload.getDatasourceId();
hash = payload.getHash();
isFound = true;
break;
}
}
if ( !isFound ) { // This should never normally happen. If it does, then a very bad change will have taken place.
logger.error("The \"fileNameID\" (" + fileNameID + ") was not found inside the \"fileRelatedPayloads\" for fileName: " + fileName);
continue;
}
try {
String s3Url = constructS3FilenameAndUploadToS3(targetDirectory, fileName, fileNameID, dotFileExtension, datasourceId, hash);
if (s3Url != null) {
setFullTextForMultiplePayloads(fileRelatedPayloads, s3Url);
//numUploadedFiles ++;
}
} catch (ConnectException ce) {
logger.error("Avoid uploading the rest of the files of this batch..");
break;
}
// Else, the record will have its file-data set to "null", in the end of the caller method (as it will not have an s3Url as its location).
}//end filenames-for-loop
//logger.debug("Finished uploading " + numUploadedFiles + " full-texts (out of " + (fileNames.length -2) + " distinct files) from assignments_" + assignmentsBatchCounter + ", batch_" + batchCounter + " on S3-ObjectStore.");
@ -554,7 +557,29 @@ public class FileUtils {
}
public String constructFileNameAndUploadToS3(String fileDir, String fileName, String openAireID, String dotFileExtension, String datasourceId, String hash) throws Exception
public String constructS3FilenameAndUploadToS3(String targetDirectory, String fileName, String fileNameID,
String dotFileExtension, String datasourceId, String hash) throws ConnectException
{
String filenameForS3 = constructS3FileName(fileName, fileNameID, dotFileExtension, datasourceId, hash); // This name is for the uploaded file, in the S3 Object Store.
if ( filenameForS3 == null ) // The error is logged inside.
return null;
String fileFullPath = targetDirectory + File.separator + fileName; // The fullPath to the local file (which has the previous name).
String s3Url = null;
try {
s3Url = s3ObjectStore.uploadToS3(filenameForS3, fileFullPath);
} catch (ConnectException ce) {
logger.error("Could not connect with the S3 Object Store! " + ce.getMessage());
throw ce;
} catch (Exception e) {
logger.error("Could not upload the local-file \"" + fileFullPath + "\" to the S3 ObjectStore, with S3-filename: \"" + filenameForS3 + "\"!", e);
return null;
}
return s3Url;
}
public String constructS3FileName(String fileName, String openAireID, String dotFileExtension, String datasourceId, String hash)
{
if ( datasourceId == null ) {
logger.error("The retrieved \"datasourceId\" was \"null\" for file: " + fileName);
@ -565,13 +590,8 @@ public class FileUtils {
return null;
}
String fileFullPath = fileDir + File.separator + fileName; // The fullPath to the local file.
// Use the "fileNameID" and not the "filenameWithoutExtension", as we want to avoid keeping the possible "parenthesis" with the increasing number (about the duplication of ID-fileName).
// Now we append the file-hash, so it is guaranteed that the filename will be unique.
fileName = datasourceId + "/" + openAireID + "::" + hash + dotFileExtension; // This is the fileName to be used in the objectStore, not of the local file!
return s3ObjectStore.uploadToS3(fileName, fileFullPath);
return datasourceId + "/" + openAireID + "::" + hash + dotFileExtension; // This is the fileName to be used in the objectStore, not of the local file!
}