| /* |
| * 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.index.hdfs; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.lucene.index.CheckIndex; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.SuppressForbidden; |
| import org.apache.solr.core.HdfsDirectoryFactory; |
| import org.apache.solr.store.hdfs.HdfsDirectory; |
| import org.apache.solr.util.HdfsUtil; |
| |
| public class CheckHdfsIndex { |
| public static void main(String[] args) throws IOException, InterruptedException { |
| int exitCode = doMain(args); |
| System.exit(exitCode); |
| } |
| |
| // actual main: returns exit code instead of terminating JVM (for easy testing) |
| @SuppressForbidden(reason = "System.out required: command line tool") |
| protected static int doMain(String[] args) throws IOException, InterruptedException { |
| CheckIndex.Options opts; |
| try { |
| opts = CheckIndex.parseOptions(args); |
| } catch (IllegalArgumentException e) { |
| System.out.println(e.getMessage()); |
| return 1; |
| } |
| |
| if (!CheckIndex.assertsOn()) { |
| System.out.println("\nNOTE: testing will be more thorough if you run java with '-ea:org.apache.lucene...', so assertions are enabled"); |
| } |
| |
| if (opts.getDirImpl() != null) { |
| System.out.println("\nIgnoring specified -dir-impl, instead using " + HdfsDirectory.class.getSimpleName()); |
| } |
| |
| Path indexPath = new Path(opts.getIndexPath()); |
| System.out.println("\nOpening index @ " + indexPath + "\n"); |
| |
| Directory directory; |
| try { |
| directory = new HdfsDirectory(indexPath, getConf(indexPath)); |
| } catch (IOException e) { |
| System.out.println("ERROR: could not open hdfs directory \"" + indexPath + "\"; exiting"); |
| e.printStackTrace(System.out); |
| return 1; |
| } |
| |
| try (Directory dir = directory; CheckIndex checker = new CheckIndex(dir)) { |
| opts.setOut(System.out); |
| return checker.doCheck(opts); |
| } |
| } |
| |
| private static Configuration getConf(Path path) { |
| Configuration conf = new Configuration(); |
| String confDir = System.getProperty(HdfsDirectoryFactory.CONFIG_DIRECTORY); |
| HdfsUtil.addHdfsResources(conf, confDir); |
| |
| String fsScheme = path.toUri().getScheme(); |
| if(fsScheme != null) { |
| conf.setBoolean("fs." + fsScheme + ".impl.disable.cache", true); |
| } |
| return conf; |
| } |
| } |