| /* |
| * 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.hadoop.hbase.replication.regionserver; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.net.URL; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileUtil; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hbase.HBaseConfiguration; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.yetus.audience.InterfaceAudience; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * This will load all the xml configuration files for the source cluster replication ID from |
| * user configured replication configuration directory. |
| */ |
| @InterfaceAudience.Private |
| public class DefaultSourceFSConfigurationProvider implements SourceFSConfigurationProvider { |
| private static final Logger LOG = |
| LoggerFactory.getLogger(DefaultSourceFSConfigurationProvider.class); |
| |
| // Map containing all the source clusters configurations against their replication cluster id |
| private final Map<String, Configuration> sourceClustersConfs = new HashMap<>(); |
| private static final String XML = ".xml"; |
| |
| @Override |
| public Configuration getConf(Configuration sinkConf, String replicationClusterId) |
| throws IOException { |
| if (sourceClustersConfs.get(replicationClusterId) == null) { |
| synchronized (this.sourceClustersConfs) { |
| if (sourceClustersConfs.get(replicationClusterId) == null) { |
| LOG.info("Loading source cluster FS client conf for cluster " + replicationClusterId); |
| // Load only user provided client configurations. |
| Configuration sourceClusterConf = new Configuration(false); |
| |
| String replicationConfDir = sinkConf.get(HConstants.REPLICATION_CONF_DIR); |
| if (replicationConfDir == null) { |
| LOG.debug(HConstants.REPLICATION_CONF_DIR + " is not configured."); |
| URL resource = HBaseConfiguration.class.getClassLoader().getResource("hbase-site.xml"); |
| if (resource != null) { |
| String path = resource.getPath(); |
| replicationConfDir = path.substring(0, path.lastIndexOf("/")); |
| } else { |
| replicationConfDir = System.getenv("HBASE_CONF_DIR"); |
| } |
| } |
| |
| File confDir = new File(replicationConfDir, replicationClusterId); |
| LOG.info("Loading source cluster " + replicationClusterId |
| + " file system configurations from xml " |
| + "files under directory " + confDir); |
| String[] listofConfFiles = FileUtil.list(confDir); |
| for (String confFile : listofConfFiles) { |
| if (new File(confDir, confFile).isFile() && confFile.endsWith(XML)) { |
| // Add all the user provided client conf files |
| sourceClusterConf.addResource(new Path(confDir.getPath(), confFile)); |
| } |
| } |
| this.sourceClustersConfs.put(replicationClusterId, sourceClusterConf); |
| } |
| } |
| } |
| return this.sourceClustersConfs.get(replicationClusterId); |
| } |
| |
| } |