| /** |
| * 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.mapred.gridmix; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.permission.FsPermission; |
| import org.apache.hadoop.hdfs.MiniDFSCluster; |
| import org.apache.hadoop.mapred.MiniMRClientCluster; |
| import org.apache.hadoop.mapred.MiniMRClientClusterFactory; |
| import org.apache.hadoop.mapreduce.MRJobConfig; |
| import org.apache.hadoop.mapreduce.server.jobtracker.JTConfig; |
| import org.apache.hadoop.conf.Configuration; |
| import static org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerConfiguration.PREFIX; |
| |
| import java.io.IOException; |
| |
| /** |
| * This is a test class. |
| */ |
| public class GridmixTestUtils { |
| private static final Logger LOG = LoggerFactory.getLogger(GridmixTestUtils.class); |
| static final Path DEST = new Path("/gridmix"); |
| static FileSystem dfs = null; |
| static MiniDFSCluster dfsCluster = null; |
| static MiniMRClientCluster mrvl = null; |
| protected static final String GRIDMIX_USE_QUEUE_IN_TRACE = |
| "gridmix.job-submission.use-queue-in-trace"; |
| protected static final String GRIDMIX_DEFAULT_QUEUE = |
| "gridmix.job-submission.default-queue"; |
| |
| public static void initCluster(Class<?> caller) throws IOException { |
| Configuration conf = new Configuration(); |
| // conf.set("mapred.queue.names", "default,q1,q2"); |
| conf.set("mapred.queue.names", "default"); |
| conf.set(PREFIX + "root.queues", "default"); |
| conf.set(PREFIX + "root.default.capacity", "100.0"); |
| |
| |
| conf.setBoolean(GRIDMIX_USE_QUEUE_IN_TRACE, false); |
| conf.set(GRIDMIX_DEFAULT_QUEUE, "default"); |
| |
| |
| dfsCluster = new MiniDFSCluster.Builder(conf).numDataNodes(1).format(true) |
| .build();// MiniDFSCluster(conf, 3, true, null); |
| dfs = dfsCluster.getFileSystem(); |
| conf.set(JTConfig.JT_RETIREJOBS, "false"); |
| mrvl = MiniMRClientClusterFactory.create(caller, 2, conf); |
| |
| conf = mrvl.getConfig(); |
| String[] files = conf.getStrings(MRJobConfig.CACHE_FILES); |
| if (files != null) { |
| String[] timestamps = new String[files.length]; |
| for (int i = 0; i < files.length; i++) { |
| timestamps[i] = Long.toString(System.currentTimeMillis()); |
| } |
| conf.setStrings(MRJobConfig.CACHE_FILE_TIMESTAMPS, timestamps); |
| } |
| |
| } |
| |
| public static void shutdownCluster() throws IOException { |
| if (mrvl != null) { |
| mrvl.stop(); |
| } |
| if (dfsCluster != null) { |
| dfsCluster.shutdown(); |
| } |
| } |
| |
| /** |
| * Methods to generate the home directory for dummy users. |
| * |
| * @param conf |
| */ |
| public static void createHomeAndStagingDirectory(String user, |
| Configuration conf) { |
| try { |
| FileSystem fs = dfsCluster.getFileSystem(); |
| String path = "/user/" + user; |
| Path homeDirectory = new Path(path); |
| if (!fs.exists(homeDirectory)) { |
| LOG.info("Creating Home directory : " + homeDirectory); |
| fs.mkdirs(homeDirectory); |
| changePermission(user, homeDirectory, fs); |
| |
| } |
| changePermission(user, homeDirectory, fs); |
| Path stagingArea = new Path( |
| conf.get("mapreduce.jobtracker.staging.root.dir", |
| "/tmp/hadoop/mapred/staging")); |
| LOG.info("Creating Staging root directory : " + stagingArea); |
| fs.mkdirs(stagingArea); |
| fs.setPermission(stagingArea, new FsPermission((short) 0777)); |
| } catch (IOException ioe) { |
| ioe.printStackTrace(); |
| } |
| } |
| |
| static void changePermission(String user, Path homeDirectory, FileSystem fs) |
| throws IOException { |
| fs.setOwner(homeDirectory, user, ""); |
| } |
| } |