/**
* 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.yarn.server.nodemanager;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.EnumSet;
import java.util.List;
import java.util.Random;
import junit.framework.Assert;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.AbstractFileSystem;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FSDataOutputStream;
import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.Options.CreateOpts;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.io.DataInputBuffer;
import org.apache.hadoop.io.DataOutputBuffer;
import org.apache.hadoop.util.Progressable;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ContainerLocalizer;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.FakeFSDataInputStream;
import static org.apache.hadoop.fs.CreateFlag.*;
import org.junit.AfterClass;
import org.junit.Test;
import static org.junit.Assert.*;
import org.mockito.ArgumentMatcher;
import org.mockito.Matchers;
import static org.mockito.Mockito.*;
public class TestDefaultContainerExecutor {
/*
// XXX FileContext cannot be mocked to do this
static FSDataInputStream getRandomStream(Random r, int len)
throws IOException {
byte[] bytes = new byte[len];
r.nextBytes(bytes);
DataInputBuffer buf = new DataInputBuffer();
buf.reset(bytes, 0, bytes.length);
return new FSDataInputStream(new FakeFSDataInputStream(buf));
}
class PathEndsWith extends ArgumentMatcher<Path> {
final String suffix;
PathEndsWith(String suffix) {
this.suffix = suffix;
}
@Override
public boolean matches(Object o) {
return
suffix.equals(((Path)o).getName());
}
}
DataOutputBuffer mockStream(
AbstractFileSystem spylfs, Path p, Random r, int len)
throws IOException {
DataOutputBuffer dob = new DataOutputBuffer();
doReturn(getRandomStream(r, len)).when(spylfs).open(p);
doReturn(new FileStatus(len, false, -1, -1L, -1L, p)).when(
spylfs).getFileStatus(argThat(new PathEndsWith(p.getName())));
doReturn(new FSDataOutputStream(dob)).when(spylfs).createInternal(
argThat(new PathEndsWith(p.getName())),
eq(EnumSet.of(OVERWRITE)),
Matchers.<FsPermission>anyObject(), anyInt(), anyShort(), anyLong(),
Matchers.<Progressable>anyObject(), anyInt(), anyBoolean());
return dob;
}
*/
private static final Path BASE_TMP_PATH = new Path("target",
TestDefaultContainerExecutor.class.getSimpleName());
@AfterClass
public static void deleteTmpFiles() throws IOException {
FileContext lfs = FileContext.getLocalFSFileContext();
try {
lfs.delete(BASE_TMP_PATH, true);
} catch (FileNotFoundException e) {
}
}
byte[] createTmpFile(Path dst, Random r, int len)
throws IOException {
// use unmodified local context
FileContext lfs = FileContext.getLocalFSFileContext();
dst = lfs.makeQualified(dst);
lfs.mkdir(dst.getParent(), null, true);
byte[] bytes = new byte[len];
FSDataOutputStream out = null;
try {
out = lfs.create(dst, EnumSet.of(CREATE, OVERWRITE));
r.nextBytes(bytes);
out.write(bytes);
} finally {
if (out != null) out.close();
}
return bytes;
}
@Test
public void testDirPermissions() throws Exception {
deleteTmpFiles();
final String user = "somebody";
final String appId = "app_12345_123";
final FsPermission userCachePerm = new FsPermission(
DefaultContainerExecutor.USER_PERM);
final FsPermission appCachePerm = new FsPermission(
DefaultContainerExecutor.APPCACHE_PERM);
final FsPermission fileCachePerm = new FsPermission(
DefaultContainerExecutor.FILECACHE_PERM);
final FsPermission appDirPerm = new FsPermission(
DefaultContainerExecutor.APPDIR_PERM);
final FsPermission logDirPerm = new FsPermission(
DefaultContainerExecutor.LOGDIR_PERM);
List<String> localDirs = new ArrayList<String>();
localDirs.add(new Path(BASE_TMP_PATH, "localDirA").toString());
localDirs.add(new Path(BASE_TMP_PATH, "localDirB").toString());
List<String> logDirs = new ArrayList<String>();
logDirs.add(new Path(BASE_TMP_PATH, "logDirA").toString());
logDirs.add(new Path(BASE_TMP_PATH, "logDirB").toString());
Configuration conf = new Configuration();
conf.set(CommonConfigurationKeys.FS_PERMISSIONS_UMASK_KEY, "077");
FileContext lfs = FileContext.getLocalFSFileContext(conf);
DefaultContainerExecutor executor = new DefaultContainerExecutor(lfs);
executor.init();
try {
executor.createUserLocalDirs(localDirs, user);
executor.createUserCacheDirs(localDirs, user);
executor.createAppDirs(localDirs, user, appId);
for (String dir : localDirs) {
FileStatus stats = lfs.getFileStatus(
new Path(new Path(dir, ContainerLocalizer.USERCACHE), user));
Assert.assertEquals(userCachePerm, stats.getPermission());
}
for (String dir : localDirs) {
Path userCachePath = new Path(
new Path(dir, ContainerLocalizer.USERCACHE), user);
Path appCachePath = new Path(userCachePath,
ContainerLocalizer.APPCACHE);
FileStatus stats = lfs.getFileStatus(appCachePath);
Assert.assertEquals(appCachePerm, stats.getPermission());
stats = lfs.getFileStatus(
new Path(userCachePath, ContainerLocalizer.FILECACHE));
Assert.assertEquals(fileCachePerm, stats.getPermission());
stats = lfs.getFileStatus(new Path(appCachePath, appId));
Assert.assertEquals(appDirPerm, stats.getPermission());
}
executor.createAppLogDirs(appId, logDirs);
for (String dir : logDirs) {
FileStatus stats = lfs.getFileStatus(new Path(dir, appId));
Assert.assertEquals(logDirPerm, stats.getPermission());
}
} finally {
deleteTmpFiles();
}
}
// @Test
// public void testInit() throws IOException, InterruptedException {
// Configuration conf = new Configuration();
// AbstractFileSystem spylfs =
// spy(FileContext.getLocalFSFileContext().getDefaultFileSystem());
// // don't actually create dirs
// //doNothing().when(spylfs).mkdir(Matchers.<Path>anyObject(),
// // Matchers.<FsPermission>anyObject(), anyBoolean());
// FileContext lfs = FileContext.getFileContext(spylfs, conf);
//
// Path basedir = new Path("target",
// TestDefaultContainerExecutor.class.getSimpleName());
// List<String> localDirs = new ArrayList<String>();
// List<Path> localPaths = new ArrayList<Path>();
// for (int i = 0; i < 4; ++i) {
// Path p = new Path(basedir, i + "");
// lfs.mkdir(p, null, true);
// localPaths.add(p);
// localDirs.add(p.toString());
// }
// final String user = "yak";
// final String appId = "app_RM_0";
// final Path logDir = new Path(basedir, "logs");
// final Path nmLocal = new Path(basedir, "nmPrivate/" + user + "/" + appId);
// final InetSocketAddress nmAddr = new InetSocketAddress("foobar", 8040);
// System.out.println("NMLOCAL: " + nmLocal);
// Random r = new Random();
//
// /*
// // XXX FileContext cannot be reasonably mocked to do this
// // mock jobFiles copy
// long fileSeed = r.nextLong();
// r.setSeed(fileSeed);
// System.out.println("SEED: " + seed);
// Path fileCachePath = new Path(nmLocal, ApplicationLocalizer.FILECACHE_FILE);
// DataOutputBuffer fileCacheBytes = mockStream(spylfs, fileCachePath, r, 512);
//
// // mock jobTokens copy
// long jobSeed = r.nextLong();
// r.setSeed(jobSeed);
// System.out.println("SEED: " + seed);
// Path jobTokenPath = new Path(nmLocal, ApplicationLocalizer.JOBTOKEN_FILE);
// DataOutputBuffer jobTokenBytes = mockStream(spylfs, jobTokenPath, r, 512);
// */
//
// // create jobFiles
// long fileSeed = r.nextLong();
// r.setSeed(fileSeed);
// System.out.println("SEED: " + fileSeed);
// Path fileCachePath = new Path(nmLocal, ApplicationLocalizer.FILECACHE_FILE);
// byte[] fileCacheBytes = createTmpFile(fileCachePath, r, 512);
//
// // create jobTokens
// long jobSeed = r.nextLong();
// r.setSeed(jobSeed);
// System.out.println("SEED: " + jobSeed);
// Path jobTokenPath = new Path(nmLocal, ApplicationLocalizer.JOBTOKEN_FILE);
// byte[] jobTokenBytes = createTmpFile(jobTokenPath, r, 512);
//
// DefaultContainerExecutor dce = new DefaultContainerExecutor(lfs);
// Localization mockLocalization = mock(Localization.class);
// ApplicationLocalizer spyLocalizer =
// spy(new ApplicationLocalizer(lfs, user, appId, logDir,
// localPaths));
// // ignore cache localization
// doNothing().when(spyLocalizer).localizeFiles(
// Matchers.<Localization>anyObject(), Matchers.<Path>anyObject());
// Path workingDir = lfs.getWorkingDirectory();
// dce.initApplication(spyLocalizer, nmLocal, mockLocalization, localPaths);
// lfs.setWorkingDirectory(workingDir);
//
// for (Path localdir : localPaths) {
// Path userdir = lfs.makeQualified(new Path(localdir,
// new Path(ApplicationLocalizer.USERCACHE, user)));
// // $localdir/$user
// verify(spylfs).mkdir(userdir,
// new FsPermission(ApplicationLocalizer.USER_PERM), true);
// // $localdir/$user/appcache
// Path jobdir = new Path(userdir, ApplicationLocalizer.appcache);
// verify(spylfs).mkdir(jobdir,
// new FsPermission(ApplicationLocalizer.appcache_PERM), true);
// // $localdir/$user/filecache
// Path filedir = new Path(userdir, ApplicationLocalizer.FILECACHE);
// verify(spylfs).mkdir(filedir,
// new FsPermission(ApplicationLocalizer.FILECACHE_PERM), true);
// // $localdir/$user/appcache/$appId
// Path appdir = new Path(jobdir, appId);
// verify(spylfs).mkdir(appdir,
// new FsPermission(ApplicationLocalizer.APPDIR_PERM), true);
// // $localdir/$user/appcache/$appId/work
// Path workdir = new Path(appdir, ApplicationLocalizer.WORKDIR);
// verify(spylfs, atMost(1)).mkdir(workdir, FsPermission.getDefault(), true);
// }
// // $logdir/$appId
// Path logdir = new Path(lfs.makeQualified(logDir), appId);
// verify(spylfs).mkdir(logdir,
// new FsPermission(ApplicationLocalizer.LOGDIR_PERM), true);
// }
}