MAPREDUCE-6267. Refactor JobSubmitter#copyAndConfigureFiles into it's own class. (Chris Trezzo via kasha)
(cherry picked from commit c66c3ac6bf)
This commit is contained in:
Karthik Kambatla
parent
b2ccf54c14
commit
f4d6c5e337
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@ -75,6 +75,9 @@ Release 2.7.0 - UNRELEASED
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MAPREDUCE-6248. Exposed the internal MapReduce job's information as a public
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MAPREDUCE-6248. Exposed the internal MapReduce job's information as a public
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API in DistCp. (Jing Zhao via vinodkv)
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API in DistCp. (Jing Zhao via vinodkv)
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MAPREDUCE-6267. Refactor JobSubmitter#copyAndConfigureFiles into it's own
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class. (Chris Trezzo via kasha)
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OPTIMIZATIONS
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OPTIMIZATIONS
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MAPREDUCE-6169. MergeQueue should release reference to the current item
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MAPREDUCE-6169. MergeQueue should release reference to the current item
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@ -98,6 +98,7 @@ public class Job extends JobContextImpl implements JobContext {
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"mapreduce.client.genericoptionsparser.used";
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"mapreduce.client.genericoptionsparser.used";
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public static final String SUBMIT_REPLICATION =
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public static final String SUBMIT_REPLICATION =
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"mapreduce.client.submit.file.replication";
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"mapreduce.client.submit.file.replication";
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public static final int DEFAULT_SUBMIT_REPLICATION = 10;
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@InterfaceStability.Evolving
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@InterfaceStability.Evolving
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public static enum TaskStatusFilter { NONE, KILLED, FAILED, SUCCEEDED, ALL }
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public static enum TaskStatusFilter { NONE, KILLED, FAILED, SUCCEEDED, ALL }
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@ -0,0 +1,363 @@
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.mapreduce;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.net.UnknownHostException;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.classification.InterfaceAudience;
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import org.apache.hadoop.classification.InterfaceStability;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.FileUtil;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.fs.permission.FsPermission;
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import org.apache.hadoop.mapreduce.filecache.ClientDistributedCacheManager;
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import org.apache.hadoop.mapreduce.filecache.DistributedCache;
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@InterfaceAudience.Private
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@InterfaceStability.Unstable
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class JobResourceUploader {
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protected static final Log LOG = LogFactory.getLog(JobResourceUploader.class);
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private FileSystem jtFs;
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JobResourceUploader(FileSystem submitFs) {
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this.jtFs = submitFs;
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}
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/**
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* Upload and configure files, libjars, jobjars, and archives pertaining to
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* the passed job.
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*
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* @param job the job containing the files to be uploaded
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* @param submitJobDir the submission directory of the job
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* @throws IOException
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*/
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public void uploadFiles(Job job, Path submitJobDir) throws IOException {
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Configuration conf = job.getConfiguration();
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short replication =
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(short) conf.getInt(Job.SUBMIT_REPLICATION,
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Job.DEFAULT_SUBMIT_REPLICATION);
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if (!(conf.getBoolean(Job.USED_GENERIC_PARSER, false))) {
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LOG.warn("Hadoop command-line option parsing not performed. "
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+ "Implement the Tool interface and execute your application "
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+ "with ToolRunner to remedy this.");
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}
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// get all the command line arguments passed in by the user conf
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String files = conf.get("tmpfiles");
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String libjars = conf.get("tmpjars");
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String archives = conf.get("tmparchives");
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String jobJar = job.getJar();
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//
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// Figure out what fs the JobTracker is using. Copy the
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// job to it, under a temporary name. This allows DFS to work,
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// and under the local fs also provides UNIX-like object loading
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// semantics. (that is, if the job file is deleted right after
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// submission, we can still run the submission to completion)
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//
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// Create a number of filenames in the JobTracker's fs namespace
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LOG.debug("default FileSystem: " + jtFs.getUri());
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if (jtFs.exists(submitJobDir)) {
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throw new IOException("Not submitting job. Job directory " + submitJobDir
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+ " already exists!! This is unexpected.Please check what's there in"
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+ " that directory");
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}
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submitJobDir = jtFs.makeQualified(submitJobDir);
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submitJobDir = new Path(submitJobDir.toUri().getPath());
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FsPermission mapredSysPerms =
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new FsPermission(JobSubmissionFiles.JOB_DIR_PERMISSION);
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FileSystem.mkdirs(jtFs, submitJobDir, mapredSysPerms);
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Path filesDir = JobSubmissionFiles.getJobDistCacheFiles(submitJobDir);
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Path archivesDir = JobSubmissionFiles.getJobDistCacheArchives(submitJobDir);
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Path libjarsDir = JobSubmissionFiles.getJobDistCacheLibjars(submitJobDir);
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// add all the command line files/ jars and archive
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// first copy them to jobtrackers filesystem
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if (files != null) {
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FileSystem.mkdirs(jtFs, filesDir, mapredSysPerms);
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String[] fileArr = files.split(",");
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for (String tmpFile : fileArr) {
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URI tmpURI = null;
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try {
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tmpURI = new URI(tmpFile);
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} catch (URISyntaxException e) {
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throw new IllegalArgumentException(e);
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}
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Path tmp = new Path(tmpURI);
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Path newPath = copyRemoteFiles(filesDir, tmp, conf, replication);
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try {
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URI pathURI = getPathURI(newPath, tmpURI.getFragment());
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DistributedCache.addCacheFile(pathURI, conf);
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} catch (URISyntaxException ue) {
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// should not throw a uri exception
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throw new IOException("Failed to create uri for " + tmpFile, ue);
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}
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}
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}
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if (libjars != null) {
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FileSystem.mkdirs(jtFs, libjarsDir, mapredSysPerms);
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String[] libjarsArr = libjars.split(",");
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for (String tmpjars : libjarsArr) {
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Path tmp = new Path(tmpjars);
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Path newPath = copyRemoteFiles(libjarsDir, tmp, conf, replication);
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DistributedCache.addFileToClassPath(
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new Path(newPath.toUri().getPath()), conf);
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}
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}
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if (archives != null) {
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FileSystem.mkdirs(jtFs, archivesDir, mapredSysPerms);
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String[] archivesArr = archives.split(",");
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for (String tmpArchives : archivesArr) {
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URI tmpURI;
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try {
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tmpURI = new URI(tmpArchives);
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} catch (URISyntaxException e) {
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throw new IllegalArgumentException(e);
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}
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Path tmp = new Path(tmpURI);
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Path newPath = copyRemoteFiles(archivesDir, tmp, conf, replication);
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try {
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URI pathURI = getPathURI(newPath, tmpURI.getFragment());
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DistributedCache.addCacheArchive(pathURI, conf);
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} catch (URISyntaxException ue) {
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// should not throw an uri excpetion
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throw new IOException("Failed to create uri for " + tmpArchives, ue);
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}
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}
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}
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if (jobJar != null) { // copy jar to JobTracker's fs
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// use jar name if job is not named.
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if ("".equals(job.getJobName())) {
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job.setJobName(new Path(jobJar).getName());
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}
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Path jobJarPath = new Path(jobJar);
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URI jobJarURI = jobJarPath.toUri();
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// If the job jar is already in a global fs,
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// we don't need to copy it from local fs
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if (jobJarURI.getScheme() == null || jobJarURI.getScheme().equals("file")) {
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copyJar(jobJarPath, JobSubmissionFiles.getJobJar(submitJobDir),
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replication);
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job.setJar(JobSubmissionFiles.getJobJar(submitJobDir).toString());
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}
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} else {
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LOG.warn("No job jar file set. User classes may not be found. "
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+ "See Job or Job#setJar(String).");
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}
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addLog4jToDistributedCache(job, submitJobDir);
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// set the timestamps of the archives and files
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// set the public/private visibility of the archives and files
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ClientDistributedCacheManager.determineTimestampsAndCacheVisibilities(conf);
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// get DelegationToken for cached file
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ClientDistributedCacheManager.getDelegationTokens(conf,
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job.getCredentials());
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}
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// copies a file to the jobtracker filesystem and returns the path where it
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// was copied to
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private Path copyRemoteFiles(Path parentDir, Path originalPath,
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Configuration conf, short replication) throws IOException {
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// check if we do not need to copy the files
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// is jt using the same file system.
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// just checking for uri strings... doing no dns lookups
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// to see if the filesystems are the same. This is not optimal.
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// but avoids name resolution.
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FileSystem remoteFs = null;
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remoteFs = originalPath.getFileSystem(conf);
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if (compareFs(remoteFs, jtFs)) {
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return originalPath;
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}
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// this might have name collisions. copy will throw an exception
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// parse the original path to create new path
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Path newPath = new Path(parentDir, originalPath.getName());
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FileUtil.copy(remoteFs, originalPath, jtFs, newPath, false, conf);
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jtFs.setReplication(newPath, replication);
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return newPath;
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}
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/*
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* see if two file systems are the same or not.
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*/
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private boolean compareFs(FileSystem srcFs, FileSystem destFs) {
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URI srcUri = srcFs.getUri();
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URI dstUri = destFs.getUri();
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if (srcUri.getScheme() == null) {
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return false;
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}
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if (!srcUri.getScheme().equals(dstUri.getScheme())) {
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return false;
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}
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String srcHost = srcUri.getHost();
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String dstHost = dstUri.getHost();
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if ((srcHost != null) && (dstHost != null)) {
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try {
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srcHost = InetAddress.getByName(srcHost).getCanonicalHostName();
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dstHost = InetAddress.getByName(dstHost).getCanonicalHostName();
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} catch (UnknownHostException ue) {
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return false;
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}
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if (!srcHost.equals(dstHost)) {
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return false;
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}
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} else if (srcHost == null && dstHost != null) {
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return false;
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} else if (srcHost != null && dstHost == null) {
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return false;
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}
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// check for ports
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if (srcUri.getPort() != dstUri.getPort()) {
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return false;
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}
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return true;
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}
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private void copyJar(Path originalJarPath, Path submitJarFile,
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short replication) throws IOException {
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jtFs.copyFromLocalFile(originalJarPath, submitJarFile);
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jtFs.setReplication(submitJarFile, replication);
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jtFs.setPermission(submitJarFile, new FsPermission(
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JobSubmissionFiles.JOB_FILE_PERMISSION));
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}
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private void addLog4jToDistributedCache(Job job, Path jobSubmitDir)
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throws IOException {
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Configuration conf = job.getConfiguration();
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String log4jPropertyFile =
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conf.get(MRJobConfig.MAPREDUCE_JOB_LOG4J_PROPERTIES_FILE, "");
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if (!log4jPropertyFile.isEmpty()) {
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short replication = (short) conf.getInt(Job.SUBMIT_REPLICATION, 10);
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copyLog4jPropertyFile(job, jobSubmitDir, replication);
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}
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}
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private URI getPathURI(Path destPath, String fragment)
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throws URISyntaxException {
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URI pathURI = destPath.toUri();
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if (pathURI.getFragment() == null) {
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if (fragment == null) {
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pathURI = new URI(pathURI.toString() + "#" + destPath.getName());
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} else {
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pathURI = new URI(pathURI.toString() + "#" + fragment);
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}
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}
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return pathURI;
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}
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// copy user specified log4j.property file in local
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// to HDFS with putting on distributed cache and adding its parent directory
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// to classpath.
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@SuppressWarnings("deprecation")
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private void copyLog4jPropertyFile(Job job, Path submitJobDir,
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short replication) throws IOException {
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Configuration conf = job.getConfiguration();
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String file =
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validateFilePath(
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conf.get(MRJobConfig.MAPREDUCE_JOB_LOG4J_PROPERTIES_FILE), conf);
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LOG.debug("default FileSystem: " + jtFs.getUri());
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FsPermission mapredSysPerms =
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new FsPermission(JobSubmissionFiles.JOB_DIR_PERMISSION);
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if (!jtFs.exists(submitJobDir)) {
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throw new IOException("Cannot find job submission directory! "
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+ "It should just be created, so something wrong here.");
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}
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Path fileDir = JobSubmissionFiles.getJobLog4jFile(submitJobDir);
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// first copy local log4j.properties file to HDFS under submitJobDir
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if (file != null) {
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FileSystem.mkdirs(jtFs, fileDir, mapredSysPerms);
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URI tmpURI = null;
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try {
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tmpURI = new URI(file);
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||||||
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} catch (URISyntaxException e) {
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throw new IllegalArgumentException(e);
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}
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Path tmp = new Path(tmpURI);
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Path newPath = copyRemoteFiles(fileDir, tmp, conf, replication);
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DistributedCache.addFileToClassPath(new Path(newPath.toUri().getPath()),
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conf);
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}
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}
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/**
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* takes input as a path string for file and verifies if it exist. It defaults
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* for file:/// if the files specified do not have a scheme. it returns the
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* paths uri converted defaulting to file:///. So an input of /home/user/file1
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* would return file:///home/user/file1
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*
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* @param file
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* @param conf
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* @return
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*/
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private String validateFilePath(String file, Configuration conf)
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throws IOException {
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if (file == null) {
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return null;
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||||||
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}
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||||||
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if (file.isEmpty()) {
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throw new IllegalArgumentException("File name can't be empty string");
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||||||
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}
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String finalPath;
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||||||
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URI pathURI;
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||||||
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try {
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||||||
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pathURI = new URI(file);
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||||||
|
} catch (URISyntaxException e) {
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||||||
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throw new IllegalArgumentException(e);
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||||||
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}
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Path path = new Path(pathURI);
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||||||
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FileSystem localFs = FileSystem.getLocal(conf);
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if (pathURI.getScheme() == null) {
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// default to the local file system
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||||||
|
// check if the file exists or not first
|
||||||
|
if (!localFs.exists(path)) {
|
||||||
|
throw new FileNotFoundException("File " + file + " does not exist.");
|
||||||
|
}
|
||||||
|
finalPath =
|
||||||
|
path.makeQualified(localFs.getUri(), localFs.getWorkingDirectory())
|
||||||
|
.toString();
|
||||||
|
} else {
|
||||||
|
// check if the file exists in this file system
|
||||||
|
// we need to recreate this filesystem object to copy
|
||||||
|
// these files to the file system ResourceManager is running
|
||||||
|
// on.
|
||||||
|
FileSystem fs = path.getFileSystem(conf);
|
||||||
|
if (!fs.exists(path)) {
|
||||||
|
throw new FileNotFoundException("File " + file + " does not exist.");
|
||||||
|
}
|
||||||
|
finalPath =
|
||||||
|
path.makeQualified(fs.getUri(), fs.getWorkingDirectory()).toString();
|
||||||
|
}
|
||||||
|
return finalPath;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -86,297 +86,6 @@ class JobSubmitter {
|
||||||
this.submitClient = submitClient;
|
this.submitClient = submitClient;
|
||||||
this.jtFs = submitFs;
|
this.jtFs = submitFs;
|
||||||
}
|
}
|
||||||
/*
|
|
||||||
* see if two file systems are the same or not.
|
|
||||||
*/
|
|
||||||
private boolean compareFs(FileSystem srcFs, FileSystem destFs) {
|
|
||||||
URI srcUri = srcFs.getUri();
|
|
||||||
URI dstUri = destFs.getUri();
|
|
||||||
if (srcUri.getScheme() == null) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
if (!srcUri.getScheme().equals(dstUri.getScheme())) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
String srcHost = srcUri.getHost();
|
|
||||||
String dstHost = dstUri.getHost();
|
|
||||||
if ((srcHost != null) && (dstHost != null)) {
|
|
||||||
try {
|
|
||||||
srcHost = InetAddress.getByName(srcHost).getCanonicalHostName();
|
|
||||||
dstHost = InetAddress.getByName(dstHost).getCanonicalHostName();
|
|
||||||
} catch(UnknownHostException ue) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
if (!srcHost.equals(dstHost)) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
} else if (srcHost == null && dstHost != null) {
|
|
||||||
return false;
|
|
||||||
} else if (srcHost != null && dstHost == null) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
//check for ports
|
|
||||||
if (srcUri.getPort() != dstUri.getPort()) {
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
// copies a file to the jobtracker filesystem and returns the path where it
|
|
||||||
// was copied to
|
|
||||||
private Path copyRemoteFiles(Path parentDir,
|
|
||||||
Path originalPath, Configuration conf, short replication)
|
|
||||||
throws IOException {
|
|
||||||
//check if we do not need to copy the files
|
|
||||||
// is jt using the same file system.
|
|
||||||
// just checking for uri strings... doing no dns lookups
|
|
||||||
// to see if the filesystems are the same. This is not optimal.
|
|
||||||
// but avoids name resolution.
|
|
||||||
|
|
||||||
FileSystem remoteFs = null;
|
|
||||||
remoteFs = originalPath.getFileSystem(conf);
|
|
||||||
if (compareFs(remoteFs, jtFs)) {
|
|
||||||
return originalPath;
|
|
||||||
}
|
|
||||||
// this might have name collisions. copy will throw an exception
|
|
||||||
//parse the original path to create new path
|
|
||||||
Path newPath = new Path(parentDir, originalPath.getName());
|
|
||||||
FileUtil.copy(remoteFs, originalPath, jtFs, newPath, false, conf);
|
|
||||||
jtFs.setReplication(newPath, replication);
|
|
||||||
return newPath;
|
|
||||||
}
|
|
||||||
|
|
||||||
// configures -files, -libjars and -archives.
|
|
||||||
private void copyAndConfigureFiles(Job job, Path submitJobDir,
|
|
||||||
short replication) throws IOException {
|
|
||||||
Configuration conf = job.getConfiguration();
|
|
||||||
if (!(conf.getBoolean(Job.USED_GENERIC_PARSER, false))) {
|
|
||||||
LOG.warn("Hadoop command-line option parsing not performed. " +
|
|
||||||
"Implement the Tool interface and execute your application " +
|
|
||||||
"with ToolRunner to remedy this.");
|
|
||||||
}
|
|
||||||
|
|
||||||
// get all the command line arguments passed in by the user conf
|
|
||||||
String files = conf.get("tmpfiles");
|
|
||||||
String libjars = conf.get("tmpjars");
|
|
||||||
String archives = conf.get("tmparchives");
|
|
||||||
String jobJar = job.getJar();
|
|
||||||
|
|
||||||
//
|
|
||||||
// Figure out what fs the JobTracker is using. Copy the
|
|
||||||
// job to it, under a temporary name. This allows DFS to work,
|
|
||||||
// and under the local fs also provides UNIX-like object loading
|
|
||||||
// semantics. (that is, if the job file is deleted right after
|
|
||||||
// submission, we can still run the submission to completion)
|
|
||||||
//
|
|
||||||
|
|
||||||
// Create a number of filenames in the JobTracker's fs namespace
|
|
||||||
LOG.debug("default FileSystem: " + jtFs.getUri());
|
|
||||||
if (jtFs.exists(submitJobDir)) {
|
|
||||||
throw new IOException("Not submitting job. Job directory " + submitJobDir
|
|
||||||
+" already exists!! This is unexpected.Please check what's there in" +
|
|
||||||
" that directory");
|
|
||||||
}
|
|
||||||
submitJobDir = jtFs.makeQualified(submitJobDir);
|
|
||||||
submitJobDir = new Path(submitJobDir.toUri().getPath());
|
|
||||||
FsPermission mapredSysPerms = new FsPermission(JobSubmissionFiles.JOB_DIR_PERMISSION);
|
|
||||||
FileSystem.mkdirs(jtFs, submitJobDir, mapredSysPerms);
|
|
||||||
Path filesDir = JobSubmissionFiles.getJobDistCacheFiles(submitJobDir);
|
|
||||||
Path archivesDir = JobSubmissionFiles.getJobDistCacheArchives(submitJobDir);
|
|
||||||
Path libjarsDir = JobSubmissionFiles.getJobDistCacheLibjars(submitJobDir);
|
|
||||||
// add all the command line files/ jars and archive
|
|
||||||
// first copy them to jobtrackers filesystem
|
|
||||||
|
|
||||||
if (files != null) {
|
|
||||||
FileSystem.mkdirs(jtFs, filesDir, mapredSysPerms);
|
|
||||||
String[] fileArr = files.split(",");
|
|
||||||
for (String tmpFile: fileArr) {
|
|
||||||
URI tmpURI = null;
|
|
||||||
try {
|
|
||||||
tmpURI = new URI(tmpFile);
|
|
||||||
} catch (URISyntaxException e) {
|
|
||||||
throw new IllegalArgumentException(e);
|
|
||||||
}
|
|
||||||
Path tmp = new Path(tmpURI);
|
|
||||||
Path newPath = copyRemoteFiles(filesDir, tmp, conf, replication);
|
|
||||||
try {
|
|
||||||
URI pathURI = getPathURI(newPath, tmpURI.getFragment());
|
|
||||||
DistributedCache.addCacheFile(pathURI, conf);
|
|
||||||
} catch(URISyntaxException ue) {
|
|
||||||
//should not throw a uri exception
|
|
||||||
throw new IOException("Failed to create uri for " + tmpFile, ue);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (libjars != null) {
|
|
||||||
FileSystem.mkdirs(jtFs, libjarsDir, mapredSysPerms);
|
|
||||||
String[] libjarsArr = libjars.split(",");
|
|
||||||
for (String tmpjars: libjarsArr) {
|
|
||||||
Path tmp = new Path(tmpjars);
|
|
||||||
Path newPath = copyRemoteFiles(libjarsDir, tmp, conf, replication);
|
|
||||||
DistributedCache.addFileToClassPath(
|
|
||||||
new Path(newPath.toUri().getPath()), conf);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (archives != null) {
|
|
||||||
FileSystem.mkdirs(jtFs, archivesDir, mapredSysPerms);
|
|
||||||
String[] archivesArr = archives.split(",");
|
|
||||||
for (String tmpArchives: archivesArr) {
|
|
||||||
URI tmpURI;
|
|
||||||
try {
|
|
||||||
tmpURI = new URI(tmpArchives);
|
|
||||||
} catch (URISyntaxException e) {
|
|
||||||
throw new IllegalArgumentException(e);
|
|
||||||
}
|
|
||||||
Path tmp = new Path(tmpURI);
|
|
||||||
Path newPath = copyRemoteFiles(archivesDir, tmp, conf,
|
|
||||||
replication);
|
|
||||||
try {
|
|
||||||
URI pathURI = getPathURI(newPath, tmpURI.getFragment());
|
|
||||||
DistributedCache.addCacheArchive(pathURI, conf);
|
|
||||||
} catch(URISyntaxException ue) {
|
|
||||||
//should not throw an uri excpetion
|
|
||||||
throw new IOException("Failed to create uri for " + tmpArchives, ue);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (jobJar != null) { // copy jar to JobTracker's fs
|
|
||||||
// use jar name if job is not named.
|
|
||||||
if ("".equals(job.getJobName())){
|
|
||||||
job.setJobName(new Path(jobJar).getName());
|
|
||||||
}
|
|
||||||
Path jobJarPath = new Path(jobJar);
|
|
||||||
URI jobJarURI = jobJarPath.toUri();
|
|
||||||
// If the job jar is already in a global fs,
|
|
||||||
// we don't need to copy it from local fs
|
|
||||||
if ( jobJarURI.getScheme() == null
|
|
||||||
|| jobJarURI.getScheme().equals("file")) {
|
|
||||||
copyJar(jobJarPath, JobSubmissionFiles.getJobJar(submitJobDir),
|
|
||||||
replication);
|
|
||||||
job.setJar(JobSubmissionFiles.getJobJar(submitJobDir).toString());
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
LOG.warn("No job jar file set. User classes may not be found. "+
|
|
||||||
"See Job or Job#setJar(String).");
|
|
||||||
}
|
|
||||||
|
|
||||||
addLog4jToDistributedCache(job, submitJobDir);
|
|
||||||
|
|
||||||
// set the timestamps of the archives and files
|
|
||||||
// set the public/private visibility of the archives and files
|
|
||||||
ClientDistributedCacheManager.determineTimestampsAndCacheVisibilities(conf);
|
|
||||||
// get DelegationToken for cached file
|
|
||||||
ClientDistributedCacheManager.getDelegationTokens(conf, job
|
|
||||||
.getCredentials());
|
|
||||||
}
|
|
||||||
|
|
||||||
// copy user specified log4j.property file in local
|
|
||||||
// to HDFS with putting on distributed cache and adding its parent directory
|
|
||||||
// to classpath.
|
|
||||||
@SuppressWarnings("deprecation")
|
|
||||||
private void copyLog4jPropertyFile(Job job, Path submitJobDir,
|
|
||||||
short replication) throws IOException {
|
|
||||||
Configuration conf = job.getConfiguration();
|
|
||||||
|
|
||||||
String file = validateFilePath(
|
|
||||||
conf.get(MRJobConfig.MAPREDUCE_JOB_LOG4J_PROPERTIES_FILE), conf);
|
|
||||||
LOG.debug("default FileSystem: " + jtFs.getUri());
|
|
||||||
FsPermission mapredSysPerms =
|
|
||||||
new FsPermission(JobSubmissionFiles.JOB_DIR_PERMISSION);
|
|
||||||
if (!jtFs.exists(submitJobDir)) {
|
|
||||||
throw new IOException("Cannot find job submission directory! "
|
|
||||||
+ "It should just be created, so something wrong here.");
|
|
||||||
}
|
|
||||||
|
|
||||||
Path fileDir = JobSubmissionFiles.getJobLog4jFile(submitJobDir);
|
|
||||||
|
|
||||||
// first copy local log4j.properties file to HDFS under submitJobDir
|
|
||||||
if (file != null) {
|
|
||||||
FileSystem.mkdirs(jtFs, fileDir, mapredSysPerms);
|
|
||||||
URI tmpURI = null;
|
|
||||||
try {
|
|
||||||
tmpURI = new URI(file);
|
|
||||||
} catch (URISyntaxException e) {
|
|
||||||
throw new IllegalArgumentException(e);
|
|
||||||
}
|
|
||||||
Path tmp = new Path(tmpURI);
|
|
||||||
Path newPath = copyRemoteFiles(fileDir, tmp, conf, replication);
|
|
||||||
DistributedCache.addFileToClassPath(new Path(newPath.toUri().getPath()), conf);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* takes input as a path string for file and verifies if it exist.
|
|
||||||
* It defaults for file:/// if the files specified do not have a scheme.
|
|
||||||
* it returns the paths uri converted defaulting to file:///.
|
|
||||||
* So an input of /home/user/file1 would return file:///home/user/file1
|
|
||||||
* @param file
|
|
||||||
* @param conf
|
|
||||||
* @return
|
|
||||||
*/
|
|
||||||
private String validateFilePath(String file, Configuration conf)
|
|
||||||
throws IOException {
|
|
||||||
if (file == null) {
|
|
||||||
return null;
|
|
||||||
}
|
|
||||||
if (file.isEmpty()) {
|
|
||||||
throw new IllegalArgumentException("File name can't be empty string");
|
|
||||||
}
|
|
||||||
String finalPath;
|
|
||||||
URI pathURI;
|
|
||||||
try {
|
|
||||||
pathURI = new URI(file);
|
|
||||||
} catch (URISyntaxException e) {
|
|
||||||
throw new IllegalArgumentException(e);
|
|
||||||
}
|
|
||||||
Path path = new Path(pathURI);
|
|
||||||
FileSystem localFs = FileSystem.getLocal(conf);
|
|
||||||
if (pathURI.getScheme() == null) {
|
|
||||||
//default to the local file system
|
|
||||||
//check if the file exists or not first
|
|
||||||
if (!localFs.exists(path)) {
|
|
||||||
throw new FileNotFoundException("File " + file + " does not exist.");
|
|
||||||
}
|
|
||||||
finalPath = path.makeQualified(localFs.getUri(),
|
|
||||||
localFs.getWorkingDirectory()).toString();
|
|
||||||
}
|
|
||||||
else {
|
|
||||||
// check if the file exists in this file system
|
|
||||||
// we need to recreate this filesystem object to copy
|
|
||||||
// these files to the file system ResourceManager is running
|
|
||||||
// on.
|
|
||||||
FileSystem fs = path.getFileSystem(conf);
|
|
||||||
if (!fs.exists(path)) {
|
|
||||||
throw new FileNotFoundException("File " + file + " does not exist.");
|
|
||||||
}
|
|
||||||
finalPath = path.makeQualified(fs.getUri(),
|
|
||||||
fs.getWorkingDirectory()).toString();
|
|
||||||
}
|
|
||||||
return finalPath;
|
|
||||||
}
|
|
||||||
|
|
||||||
private URI getPathURI(Path destPath, String fragment)
|
|
||||||
throws URISyntaxException {
|
|
||||||
URI pathURI = destPath.toUri();
|
|
||||||
if (pathURI.getFragment() == null) {
|
|
||||||
if (fragment == null) {
|
|
||||||
pathURI = new URI(pathURI.toString() + "#" + destPath.getName());
|
|
||||||
} else {
|
|
||||||
pathURI = new URI(pathURI.toString() + "#" + fragment);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return pathURI;
|
|
||||||
}
|
|
||||||
|
|
||||||
private void copyJar(Path originalJarPath, Path submitJarFile,
|
|
||||||
short replication) throws IOException {
|
|
||||||
jtFs.copyFromLocalFile(originalJarPath, submitJarFile);
|
|
||||||
jtFs.setReplication(submitJarFile, replication);
|
|
||||||
jtFs.setPermission(submitJarFile, new FsPermission(JobSubmissionFiles.JOB_FILE_PERMISSION));
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* configure the jobconf of the user with the command line options of
|
* configure the jobconf of the user with the command line options of
|
||||||
|
|
@ -386,9 +95,8 @@ class JobSubmitter {
|
||||||
*/
|
*/
|
||||||
private void copyAndConfigureFiles(Job job, Path jobSubmitDir)
|
private void copyAndConfigureFiles(Job job, Path jobSubmitDir)
|
||||||
throws IOException {
|
throws IOException {
|
||||||
Configuration conf = job.getConfiguration();
|
JobResourceUploader rUploader = new JobResourceUploader(jtFs);
|
||||||
short replication = (short)conf.getInt(Job.SUBMIT_REPLICATION, 10);
|
rUploader.uploadFiles(job, jobSubmitDir);
|
||||||
copyAndConfigureFiles(job, jobSubmitDir, replication);
|
|
||||||
|
|
||||||
// Get the working directory. If not set, sets it to filesystem working dir
|
// Get the working directory. If not set, sets it to filesystem working dir
|
||||||
// This code has been added so that working directory reset before running
|
// This code has been added so that working directory reset before running
|
||||||
|
|
@ -396,8 +104,8 @@ class JobSubmitter {
|
||||||
// might use the public API JobConf#setWorkingDirectory to reset the working
|
// might use the public API JobConf#setWorkingDirectory to reset the working
|
||||||
// directory.
|
// directory.
|
||||||
job.getWorkingDirectory();
|
job.getWorkingDirectory();
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Internal method for submitting jobs to the system.
|
* Internal method for submitting jobs to the system.
|
||||||
*
|
*
|
||||||
|
|
@ -484,10 +192,7 @@ class JobSubmitter {
|
||||||
}
|
}
|
||||||
|
|
||||||
copyAndConfigureFiles(job, submitJobDir);
|
copyAndConfigureFiles(job, submitJobDir);
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
Path submitJobFile = JobSubmissionFiles.getJobConfPath(submitJobDir);
|
Path submitJobFile = JobSubmissionFiles.getJobConfPath(submitJobDir);
|
||||||
|
|
||||||
// Create the splits for the job
|
// Create the splits for the job
|
||||||
|
|
@ -766,15 +471,4 @@ class JobSubmitter {
|
||||||
DistributedCache.addCacheArchive(uri, conf);
|
DistributedCache.addCacheArchive(uri, conf);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
private void addLog4jToDistributedCache(Job job,
|
|
||||||
Path jobSubmitDir) throws IOException {
|
|
||||||
Configuration conf = job.getConfiguration();
|
|
||||||
String log4jPropertyFile =
|
|
||||||
conf.get(MRJobConfig.MAPREDUCE_JOB_LOG4J_PROPERTIES_FILE, "");
|
|
||||||
if (!log4jPropertyFile.isEmpty()) {
|
|
||||||
short replication = (short)conf.getInt(Job.SUBMIT_REPLICATION, 10);
|
|
||||||
copyLog4jPropertyFile(job, jobSubmitDir, replication);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
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