| /* |
| * 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.backfilling; |
| |
| import java.io.File; |
| |
| import org.apache.hadoop.chukwa.ChunkImpl; |
| import org.apache.hadoop.chukwa.conf.ChukwaConfiguration; |
| import org.apache.hadoop.chukwa.datacollection.ChunkQueue; |
| import org.apache.hadoop.chukwa.datacollection.DataFactory; |
| import org.apache.hadoop.chukwa.datacollection.adaptor.*; |
| import org.apache.hadoop.chukwa.datacollection.agent.AdaptorFactory; |
| import org.apache.hadoop.chukwa.datacollection.agent.AdaptorManager; |
| import org.apache.hadoop.chukwa.datacollection.connector.Connector; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.log4j.Logger; |
| |
| public class BackfillingLoader { |
| static Logger log = Logger.getLogger(BackfillingLoader.class); |
| |
| protected Configuration conf = null; |
| protected ChunkQueue queue = null; |
| protected Connector connector = null; |
| |
| private String cluster = null; |
| private String machine = null; |
| private String adaptorName = null; |
| private String recordType = null; |
| private String logFile = null; |
| |
| public BackfillingLoader(Configuration conf, String cluster, String machine, |
| String adaptorName, String recordType, String logFile) { |
| |
| this.conf = conf; |
| this.cluster = cluster.trim(); |
| this.machine = machine.trim(); |
| this.adaptorName = adaptorName; |
| this.recordType = recordType; |
| this.logFile = logFile; |
| |
| log.info("cluster >>>" + cluster) ; |
| log.info("machine >>>" + machine) ; |
| log.info("adaptorName >>>" + adaptorName) ; |
| log.info("recordType >>>" + recordType) ; |
| log.info("logFile >>>" + logFile) ; |
| |
| // Set the right cluster and machine information |
| DataFactory.getInstance().addDefaultTag("cluster=\"" + this.cluster + "\""); |
| ChunkImpl.setHostAddress(this.machine); |
| |
| queue = DataFactory.getInstance().getEventQueue(); |
| connector = new QueueToWriterConnector(conf,true); |
| } |
| |
| public void process() throws AdaptorException { |
| File file = new File(logFile); |
| connector.start(); |
| Adaptor adaptor = AdaptorFactory.createAdaptor(adaptorName); |
| adaptor.parseArgs(recordType, "0 " +file.getAbsolutePath(),AdaptorManager.NULL); |
| adaptor.start("", recordType, 0l,queue); |
| adaptor.shutdown(AdaptorShutdownPolicy.WAIT_TILL_FINISHED); |
| connector.shutdown(); |
| if(!file.renameTo(new File(logFile + ".sav"))) { |
| System.err.println("Error in renaming "+logFile+" to "+logFile+".sav"); |
| } |
| } |
| |
| public static void usage() { |
| System.out.println("java org.apache.hadoop.chukwa.tools.backfilling.BackfillingLoader <cluster> <machine> <adaptorName> <recordType> <logFile>"); |
| } |
| |
| /** |
| * @param args is command line parameters |
| * @throws Exception if problem loading data to HDFS |
| */ |
| public static void main(String[] args) throws Exception { |
| |
| if (args.length != 5) { |
| usage(); |
| return; |
| } |
| |
| |
| String cluster = args[0]; |
| String machine = args[1]; |
| String adaptorName = args[2]; |
| String recordType = args[3]; |
| String logFile = args[4]; |
| |
| BackfillingLoader loader = new BackfillingLoader(new ChukwaConfiguration(),cluster,machine,adaptorName,recordType,logFile); |
| loader.process(); |
| } |
| |
| } |