| /** |
| * 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.hcatalog.templeton; |
| |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.net.URISyntaxException; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import org.apache.commons.exec.ExecuteException; |
| import org.apache.hcatalog.templeton.tool.TempletonUtils; |
| |
| /** |
| * Submit a Pig job. |
| * |
| * This is the backend of the pig web service. |
| */ |
| public class PigDelegator extends LauncherDelegator { |
| public PigDelegator(AppConfig appConf) { |
| super(appConf); |
| } |
| |
| public EnqueueBean run(String user, |
| String execute, String srcFile, |
| List<String> pigArgs, String otherFiles, |
| String statusdir, String callback, String completedUrl) |
| throws NotAuthorizedException, BadParam, BusyException, QueueException, |
| ExecuteException, IOException, InterruptedException |
| { |
| runAs = user; |
| List<String> args = makeArgs(execute, |
| srcFile, pigArgs, |
| otherFiles, statusdir, completedUrl); |
| |
| return enqueueController(user, callback, args); |
| } |
| |
| private List<String> makeArgs(String execute, String srcFile, |
| List<String> pigArgs, String otherFiles, |
| String statusdir, String completedUrl) |
| throws BadParam, IOException, InterruptedException |
| { |
| ArrayList<String> args = new ArrayList<String>(); |
| try { |
| ArrayList<String> allFiles = new ArrayList<String>(); |
| if (TempletonUtils.isset(srcFile)) |
| allFiles.add(TempletonUtils.hadoopFsFilename |
| (srcFile, appConf, runAs)); |
| if (TempletonUtils.isset(otherFiles)) { |
| String[] ofs = TempletonUtils.hadoopFsListAsArray |
| (otherFiles, appConf, runAs); |
| allFiles.addAll(Arrays.asList(ofs)); |
| } |
| |
| args.addAll(makeLauncherArgs(appConf, statusdir, completedUrl, allFiles)); |
| args.add("-archives"); |
| args.add(appConf.pigArchive()); |
| |
| args.add("--"); |
| args.add(appConf.pigPath()); |
| args.addAll(pigArgs); |
| if (TempletonUtils.isset(execute)) { |
| args.add("-execute"); |
| args.add(execute); |
| } else if (TempletonUtils.isset(srcFile)) { |
| args.add("-file"); |
| args.add(TempletonUtils.hadoopFsPath(srcFile, appConf, runAs) |
| .getName()); |
| } |
| } catch (FileNotFoundException e) { |
| throw new BadParam(e.getMessage()); |
| } catch (URISyntaxException e) { |
| throw new BadParam(e.getMessage()); |
| } |
| |
| return args; |
| } |
| } |