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YARN-33. Change LocalDirsHandlerService to validate the configured local and log dirs. (Contributed by Mayank Bansal) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1395844 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Siddharth Seth 2012-10-09 02:26:24 +00:00
parent c074cfd6f0
commit 1e30e49bf6
4 changed files with 126 additions and 7 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -52,6 +52,9 @@ Release 2.0.3-alpha - Unreleased
YARN-40. Provided support for missing YARN commands (Devaraj K and Vinod
Kumar Vavilapalli via vinodkv)
YARN-33. Change LocalDirsHandlerService to validate the configured local and
log dirs. (Mayank Bansal via sseth)
OPTIMIZATIONS
BUG FIXES

43
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/LocalDirsHandlerService.java
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@ -19,6 +19,9 @@
package org.apache.hadoop.yarn.server.nodemanager;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
@ -78,19 +81,21 @@ public class LocalDirsHandlerService extends AbstractService {
/** when disk health checking code was last run */
private long lastDisksCheckTime;
private static String FILE_SCHEME = "file";
/**
* Class which is used by the {@link Timer} class to periodically execute the
* disks' health checker code.
*/
private final class MonitoringTimerTask extends TimerTask {
public MonitoringTimerTask(Configuration conf) {
public MonitoringTimerTask(Configuration conf) throws YarnException {
localDirs = new DirectoryCollection(
conf.getTrimmedStrings(YarnConfiguration.NM_LOCAL_DIRS));
validatePaths(conf.getTrimmedStrings(YarnConfiguration.NM_LOCAL_DIRS)));
logDirs = new DirectoryCollection(
conf.getTrimmedStrings(YarnConfiguration.NM_LOG_DIRS));
localDirsAllocator =
new LocalDirAllocator(YarnConfiguration.NM_LOCAL_DIRS);
validatePaths(conf.getTrimmedStrings(YarnConfiguration.NM_LOG_DIRS)));
localDirsAllocator = new LocalDirAllocator(
YarnConfiguration.NM_LOCAL_DIRS);
logDirsAllocator = new LocalDirAllocator(YarnConfiguration.NM_LOG_DIRS);
}
@ -106,6 +111,7 @@ public class LocalDirsHandlerService extends AbstractService {
/**
* Method which initializes the timertask and its interval time.
*
*/
@Override
public void init(Configuration config) {
@ -294,4 +300,31 @@ public class LocalDirsHandlerService extends AbstractService {
public Path getLogPathToRead(String pathStr) throws IOException {
return logDirsAllocator.getLocalPathToRead(pathStr, getConfig());
}
public static String[] validatePaths(String[] paths) {
ArrayList<String> validPaths = new ArrayList<String>();
for (int i = 0; i < paths.length; ++i) {
try {
URI uriPath = new URI(paths[i]);
if (uriPath.getScheme() == null
|| uriPath.getScheme().equals(FILE_SCHEME)) {
validPaths.add(uriPath.getPath());
} else {
LOG.warn(paths[i] + " is not a valid path. Path should be with "
+ FILE_SCHEME + " scheme or without scheme");
throw new YarnException(paths[i]
+ " is not a valid path. Path should be with " + FILE_SCHEME
+ " scheme or without scheme");
}
} catch (URISyntaxException e) {
LOG.warn(e.getMessage());
throw new YarnException(paths[i]
+ " is not a valid path. Path should be with " + FILE_SCHEME
+ " scheme or without scheme");
}
}
String[] arrValidPaths = new String[validPaths.size()];
validPaths.toArray(arrValidPaths);
return arrValidPaths;
}
}

79
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestLocalDirsHandlerService.java Normal file
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@ -0,0 +1,79 @@
/**
* 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.File;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.yarn.YarnException;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.service.Service.STATE;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
import org.junit.Test;
public class TestLocalDirsHandlerService {
private static final File testDir = new File("target",
TestDirectoryCollection.class.getName()).getAbsoluteFile();
private static final File testFile = new File(testDir, "testfile");
@BeforeClass
public static void setup() throws IOException {
testDir.mkdirs();
testFile.createNewFile();
}
@AfterClass
public static void teardown() {
FileUtil.fullyDelete(testDir);
}
@Test
public void testDirStructure() throws Exception {
Configuration conf = new YarnConfiguration();
String localDir1 = new File("file:///" + testDir, "localDir1").getPath();
conf.set(YarnConfiguration.NM_LOCAL_DIRS, localDir1);
String logDir1 = new File("file:///" + testDir, "logDir1").getPath();
conf.set(YarnConfiguration.NM_LOG_DIRS, logDir1);
LocalDirsHandlerService dirSvc = new LocalDirsHandlerService();
dirSvc.init(conf);
Assert.assertEquals(1, dirSvc.getLocalDirs().size());
}
@Test
public void testValidPathsDirHandlerService() {
Configuration conf = new YarnConfiguration();
String localDir1 = new File("file:///" + testDir, "localDir1").getPath();
String localDir2 = new File("hdfs:///" + testDir, "localDir2").getPath();
conf.set(YarnConfiguration.NM_LOCAL_DIRS, localDir1 + "," + localDir2);
String logDir1 = new File("file:///" + testDir, "logDir1").getPath();
conf.set(YarnConfiguration.NM_LOG_DIRS, logDir1);
LocalDirsHandlerService dirSvc = new LocalDirsHandlerService();
try {
dirSvc.init(conf);
Assert.fail("Service should have thrown an exception due to wrong URI");
} catch (YarnException e) {
}
Assert.assertTrue("Service should not be inited", dirSvc.getServiceState()
.compareTo(STATE.NOTINITED) == 0);
}
}

8
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/localizer/TestResourceLocalizationService.java
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@ -35,6 +35,7 @@ import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import java.net.InetSocketAddress;
import java.net.URI;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
@ -157,6 +158,7 @@ public class TestResourceLocalizationService {
// verify directory creation
for (Path p : localDirs) {
p = new Path((new URI(p.toString())).getPath());
Path usercache = new Path(p, ContainerLocalizer.USERCACHE);
verify(spylfs)
.mkdir(eq(usercache),
@ -192,7 +194,8 @@ public class TestResourceLocalizationService {
sDirs[i] = localDirs.get(i).toString();
}
conf.setStrings(YarnConfiguration.NM_LOCAL_DIRS, sDirs);
String logDir = lfs.makeQualified(new Path(basedir, "logdir " )).toString();
conf.set(YarnConfiguration.NM_LOG_DIRS, logDir);
LocalizerTracker mockLocallilzerTracker = mock(LocalizerTracker.class);
DrainDispatcher dispatcher = new DrainDispatcher();
dispatcher.init(conf);
@ -379,7 +382,8 @@ public class TestResourceLocalizationService {
sDirs[i] = localDirs.get(i).toString();
}
conf.setStrings(YarnConfiguration.NM_LOCAL_DIRS, sDirs);
String logDir = lfs.makeQualified(new Path(basedir, "logdir " )).toString();
conf.set(YarnConfiguration.NM_LOG_DIRS, logDir);
DrainDispatcher dispatcher = new DrainDispatcher();
dispatcher.init(conf);
dispatcher.start();