| /* |
| * 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.chukwa.tools; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.log4j.Logger; |
| |
| /** |
| * |
| * Utility class to move pig output closer to the Demux output <BR> |
| * pigDir should looks like:<BR> |
| * <UL> |
| * <LI> workingDay + ".D" </LI> |
| * <LI> workingDay + "_" + workingHour + ".H" </LI> |
| * <LI> workingDay + "_" + workingHour + "_" + [0-5] + [0,5] + ".R" </LI> |
| * </UL> |
| * |
| */ |
| public class PigMover { |
| |
| private static Logger log = Logger.getLogger(PigMover.class); |
| |
| public static void usage() { |
| System.out |
| .println("PigMover <cluster> <recordType> <pigDir> <finalOutPutDir>"); |
| } |
| |
| /** |
| * @param args |
| * @throws IOException |
| */ |
| public static void main(String[] args) throws IOException { |
| |
| if (args.length != 5) { |
| log.warn("Wrong number of arguments"); |
| usage(); |
| return; |
| } |
| Configuration conf = new Configuration(); |
| FileSystem fs = FileSystem.get(conf); |
| log.info("fs URI:" + fs.getUri()); |
| |
| String cluster = args[0]; |
| String recordType = args[1]; |
| |
| log.info("Cluster:" + cluster); |
| log.info("recordType:" + recordType); |
| |
| Path rootpigDir = new Path(args[2]); |
| log.info("rootpigDir:" + rootpigDir); |
| |
| Path dataDir = new Path(args[3]); |
| log.info("dataDir:" + dataDir); |
| |
| if (!fs.exists(dataDir)) { |
| throw new RuntimeException("input directory does not exist."); |
| } |
| |
| String fileName = dataDir.getName(); |
| log.info("fileName:" + fileName); |
| |
| String rootPigPostProcessDir = args[4]; |
| log.info("chukwaPostProcessDir: [" + rootPigPostProcessDir + "]"); |
| |
| String finalPigOutputDir = rootPigPostProcessDir + "/pigOutputDir_" + System.currentTimeMillis() |
| + "/" + cluster + "/" + recordType; |
| log.info("finalPigOutputDir:" + finalPigOutputDir); |
| |
| Path postProcessDir = new Path(finalPigOutputDir); |
| fs.mkdirs(postProcessDir); |
| |
| boolean movingDone = true; |
| FileStatus[] files = fs.listStatus(dataDir); |
| |
| for (int i=0;i<files.length;i++) { |
| log.info("fileIn:" + files[i].getPath()); |
| |
| Path p = new Path(finalPigOutputDir + "/"+ recordType + "_" + i + "_" + fileName + ".evt"); |
| log.info("fileOut:" + p); |
| if ( fs.rename(files[i].getPath(), p) == false) { |
| log.warn("Cannot rename " + files[i].getPath() + " to " + p); |
| movingDone = false; |
| } |
| } |
| if (movingDone) { |
| log.info("Deleting:" + rootpigDir); |
| fs.delete(rootpigDir,true); |
| } |
| } |
| |
| } |