gerlowskija commented on a change in pull request #39: URL: https://github.com/apache/solr/pull/39#discussion_r616870398
########## File path: solr/contrib/gcs-repository/src/java/org/apache/solr/gcs/GCSBackupRepository.java ########## @@ -0,0 +1,466 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.solr.gcs; + +import com.google.auth.oauth2.GoogleCredentials; +import com.google.cloud.ReadChannel; +import com.google.cloud.WriteChannel; +import com.google.cloud.storage.Blob; +import com.google.cloud.storage.BlobId; +import com.google.cloud.storage.BlobInfo; +import com.google.cloud.storage.Storage; +import com.google.cloud.storage.StorageException; +import com.google.cloud.storage.StorageOptions; +import org.apache.lucene.codecs.CodecUtil; +import org.apache.lucene.index.CorruptIndexException; +import org.apache.lucene.store.BufferedIndexInput; +import org.apache.lucene.store.ChecksumIndexInput; +import org.apache.lucene.store.Directory; +import org.apache.lucene.store.IOContext; +import org.apache.lucene.store.IndexInput; +import org.apache.lucene.store.IndexOutput; +import org.apache.solr.common.util.NamedList; +import org.apache.solr.core.DirectoryFactory; +import org.apache.solr.core.backup.repository.BackupRepository; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.FileInputStream; +import java.io.IOException; +import java.io.OutputStream; +import java.lang.invoke.MethodHandles; +import java.net.URI; +import java.net.URISyntaxException; +import java.nio.ByteBuffer; +import java.nio.channels.Channels; +import java.nio.channels.WritableByteChannel; +import java.nio.file.FileAlreadyExistsException; +import java.nio.file.NoSuchFileException; +import java.util.ArrayList; +import java.util.Collection; +import java.util.LinkedList; +import java.util.List; +import java.util.Objects; +import java.util.stream.Collectors; + +import static java.net.HttpURLConnection.HTTP_PRECON_FAILED; + +/** + * {@link BackupRepository} implementation that stores files in Google Cloud Storage ("GCS"). + */ +public class GCSBackupRepository implements BackupRepository { + private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); + private static final int LARGE_BLOB_THRESHOLD_BYTE_SIZE = 5 * 1024 * 1024; + private static final int BUFFER_SIZE = 16 * 1024 * 1024; + protected Storage storage; + + private NamedList<Object> config = null; + protected String bucketName = null; + protected String credentialPath = null; + protected StorageOptions.Builder storageOptionsBuilder = null; + + protected Storage initStorage() { + if (storage != null) + return storage; + + try { + if (credentialPath == null) { + throw new IllegalArgumentException(GCSConfigParser.missingCredentialErrorMsg()); + } + + log.info("Creating GCS client using credential at {}", credentialPath); + GoogleCredentials credential = GoogleCredentials.fromStream(new FileInputStream(credentialPath)); Review comment: Agreed. I added a comment above our usage to prevent it from worrying anyone; hopefully that helps. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@solr.apache.org For additional commands, e-mail: issues-h...@solr.apache.org
