| /* |
| * 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.flink.fs.osshadoop; |
| |
| import org.apache.flink.annotation.VisibleForTesting; |
| import org.apache.flink.configuration.Configuration; |
| import org.apache.flink.core.fs.FileSystem; |
| import org.apache.flink.core.fs.FileSystemFactory; |
| import org.apache.flink.runtime.fs.hdfs.HadoopFileSystem; |
| |
| import org.apache.hadoop.fs.aliyun.oss.AliyunOSSFileSystem; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| import java.net.URI; |
| import java.util.Collections; |
| import java.util.Set; |
| |
| /** |
| * Simple factory for the OSS file system. |
| */ |
| public class OSSFileSystemFactory implements FileSystemFactory { |
| private static final Logger LOG = LoggerFactory.getLogger(OSSFileSystemFactory.class); |
| |
| private Configuration flinkConfig; |
| |
| private org.apache.hadoop.conf.Configuration hadoopConfig; |
| |
| private static final Set<String> CONFIG_KEYS_TO_SHADE = Collections.singleton("fs.oss.credentials.provider"); |
| |
| private static final String FLINK_SHADING_PREFIX = "org.apache.flink.fs.shaded.hadoop3."; |
| |
| /** |
| * In order to simplify, we make flink oss configuration keys same with hadoop oss module. |
| * So, we add all configuration key with prefix `fs.oss` in flink conf to hadoop conf |
| */ |
| private static final String[] FLINK_CONFIG_PREFIXES = { "fs.oss."}; |
| |
| @Override |
| public String getScheme() { |
| return "oss"; |
| } |
| |
| @Override |
| public void configure(Configuration config) { |
| flinkConfig = config; |
| hadoopConfig = null; |
| } |
| |
| @Override |
| public FileSystem create(URI fsUri) throws IOException { |
| this.hadoopConfig = getHadoopConfiguration(); |
| |
| final String scheme = fsUri.getScheme(); |
| final String authority = fsUri.getAuthority(); |
| |
| if (scheme == null && authority == null) { |
| fsUri = org.apache.hadoop.fs.FileSystem.getDefaultUri(hadoopConfig); |
| } else if (scheme != null && authority == null) { |
| URI defaultUri = org.apache.hadoop.fs.FileSystem.getDefaultUri(hadoopConfig); |
| if (scheme.equals(defaultUri.getScheme()) && defaultUri.getAuthority() != null) { |
| fsUri = defaultUri; |
| } |
| } |
| |
| final AliyunOSSFileSystem fs = new AliyunOSSFileSystem(); |
| fs.initialize(fsUri, hadoopConfig); |
| return new HadoopFileSystem(fs); |
| } |
| |
| @VisibleForTesting |
| org.apache.hadoop.conf.Configuration getHadoopConfiguration() { |
| org.apache.hadoop.conf.Configuration conf = new org.apache.hadoop.conf.Configuration(); |
| if (flinkConfig == null) { |
| return conf; |
| } |
| |
| // read all configuration with prefix 'FLINK_CONFIG_PREFIXES' |
| for (String key : flinkConfig.keySet()) { |
| for (String prefix : FLINK_CONFIG_PREFIXES) { |
| if (key.startsWith(prefix)) { |
| String value = flinkConfig.getString(key, null); |
| conf.set(key, value); |
| if (CONFIG_KEYS_TO_SHADE.contains(key)) { |
| conf.set(key, FLINK_SHADING_PREFIX + value); |
| } |
| |
| LOG.debug("Adding Flink config entry for {} as {} to Hadoop config", key, conf.get(key)); |
| } |
| } |
| } |
| return conf; |
| } |
| } |