| /* |
| * 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.druid.storage.cloudfiles; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.inject.Inject; |
| import org.apache.druid.java.util.common.logger.Logger; |
| import org.apache.druid.segment.SegmentUtils; |
| import org.apache.druid.segment.loading.DataSegmentPusher; |
| import org.apache.druid.timeline.DataSegment; |
| import org.apache.druid.utils.CompressionUtils; |
| import org.jclouds.rackspace.cloudfiles.v1.CloudFilesApi; |
| |
| import java.io.File; |
| import java.net.URI; |
| import java.nio.file.Files; |
| import java.util.Map; |
| |
| public class CloudFilesDataSegmentPusher implements DataSegmentPusher |
| { |
| |
| private static final Logger log = new Logger(CloudFilesDataSegmentPusher.class); |
| private final CloudFilesObjectApiProxy objectApi; |
| private final CloudFilesDataSegmentPusherConfig config; |
| private final ObjectMapper jsonMapper; |
| |
| @Inject |
| public CloudFilesDataSegmentPusher( |
| final CloudFilesApi cloudFilesApi, |
| final CloudFilesDataSegmentPusherConfig config, final ObjectMapper jsonMapper |
| ) |
| { |
| this.config = config; |
| String region = this.config.getRegion(); |
| String container = this.config.getContainer(); |
| this.objectApi = new CloudFilesObjectApiProxy(cloudFilesApi, region, container); |
| this.jsonMapper = jsonMapper; |
| } |
| |
| @Override |
| public String getPathForHadoop() |
| { |
| return null; |
| } |
| |
| @Deprecated |
| @Override |
| public String getPathForHadoop(final String dataSource) |
| { |
| return getPathForHadoop(); |
| } |
| |
| @Override |
| public DataSegment push(final File indexFilesDir, final DataSegment inSegment, final boolean useUniquePath) |
| { |
| return pushToPath(indexFilesDir, inSegment, getStorageDir(inSegment, useUniquePath)); |
| } |
| |
| @Override |
| public DataSegment pushToPath(File indexFilesDir, DataSegment inSegment, String storageDirSuffix) |
| { |
| final String segmentPath = CloudFilesUtils.buildCloudFilesPath( |
| this.config.getBasePath(), |
| storageDirSuffix |
| ); |
| File descriptorFile = null; |
| File zipOutFile = null; |
| |
| try { |
| final File descFile = descriptorFile = File.createTempFile("descriptor", ".json"); |
| final File outFile = zipOutFile = File.createTempFile("druid", "index.zip"); |
| |
| final long indexSize = CompressionUtils.zip(indexFilesDir, zipOutFile); |
| |
| log.info("Copying segment[%s] to CloudFiles at location[%s]", inSegment.getId(), segmentPath); |
| return CloudFilesUtils.retryCloudFilesOperation( |
| () -> { |
| CloudFilesObject segmentData = new CloudFilesObject( |
| segmentPath, |
| outFile, |
| objectApi.getRegion(), |
| objectApi.getContainer() |
| ); |
| |
| log.info("Pushing %s.", segmentData.getPath()); |
| objectApi.put(segmentData); |
| |
| // Avoid using Guava in DataSegmentPushers because they might be used with very diverse Guava versions in |
| // runtime, and because Guava deletes methods over time, that causes incompatibilities. |
| Files.write(descFile.toPath(), jsonMapper.writeValueAsBytes(inSegment)); |
| CloudFilesObject descriptorData = new CloudFilesObject( |
| segmentPath, |
| descFile, |
| objectApi.getRegion(), |
| objectApi.getContainer() |
| ); |
| log.info("Pushing %s.", descriptorData.getPath()); |
| objectApi.put(descriptorData); |
| |
| final DataSegment outSegment = inSegment |
| .withSize(indexSize) |
| .withLoadSpec(makeLoadSpec(new URI(segmentData.getPath()))) |
| .withBinaryVersion(SegmentUtils.getVersionFromDir(indexFilesDir)); |
| |
| return outSegment; |
| }, |
| this.config.getOperationMaxRetries() |
| ); |
| } |
| catch (Exception e) { |
| throw new RuntimeException(e); |
| } |
| finally { |
| if (zipOutFile != null) { |
| log.info("Deleting zipped index File[%s]", zipOutFile); |
| zipOutFile.delete(); |
| } |
| |
| if (descriptorFile != null) { |
| log.info("Deleting descriptor file[%s]", descriptorFile); |
| descriptorFile.delete(); |
| } |
| } |
| } |
| |
| @Override |
| public Map<String, Object> makeLoadSpec(URI uri) |
| { |
| return ImmutableMap.of( |
| "type", |
| CloudFilesStorageDruidModule.SCHEME, |
| "region", |
| objectApi.getRegion(), |
| "container", |
| objectApi.getContainer(), |
| "path", |
| uri.toString() |
| ); |
| } |
| } |