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YARN-106. Nodemanager needs to set permissions of local directories (jlowe via bobby) 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1391649 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Joseph Evans 2012-09-28 20:50:44 +00:00
parent e45b103655
commit 41ebf4fb24
5 changed files with 115 additions and 10 deletions
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3
hadoop-yarn-project/CHANGES.txt
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@ -111,6 +111,9 @@ Release 0.23.4 - UNRELEASED
YARN-88. DefaultContainerExecutor can fail to set proper permissions.
(Jason Lowe via sseth)
YARN-106. Nodemanager needs to set permissions of local directories (jlowe
via bobby)
Release 0.23.3 - Unreleased
INCOMPATIBLE CHANGES

48
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/DirectoryCollection.java
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@ -19,12 +19,17 @@
package org.apache.hadoop.yarn.server.nodemanager;
import java.io.File;
import java.util.concurrent.CopyOnWriteArrayList;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.util.DiskChecker;
import org.apache.hadoop.util.DiskChecker.DiskErrorException;
@ -65,6 +70,31 @@ class DirectoryCollection {
return numFailures;
}
/**
* Create any non-existent directories and parent directories, updating the
* list of valid directories if necessary.
* @param localFs local file system to use
* @param perm absolute permissions to use for any directories created
* @return true if there were no errors, false if at least one error occurred
*/
synchronized boolean createNonExistentDirs(FileContext localFs,
FsPermission perm) {
boolean failed = false;
for (final String dir : localDirs) {
try {
createDir(localFs, new Path(dir), perm);
} catch (IOException e) {
LOG.warn("Unable to create directory " + dir + " error " +
e.getMessage() + ", removing from the list of valid directories.");
localDirs.remove(dir);
failedDirs.add(dir);
numFailures++;
failed = true;
}
}
return !failed;
}
/**
* Check the health of current set of local directories, updating the list
* of valid directories if necessary.
@ -86,4 +116,20 @@ class DirectoryCollection {
}
return numFailures > oldNumFailures;
}
private void createDir(FileContext localFs, Path dir, FsPermission perm)
throws IOException {
if (dir == null) {
return;
}
try {
localFs.getFileStatus(dir);
} catch (FileNotFoundException e) {
createDir(localFs, dir.getParent(), perm);
localFs.mkdir(dir, perm, false);
if (!perm.equals(perm.applyUMask(localFs.getUMask()))) {
localFs.setPermission(dir, perm);
}
}
}
}

30
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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@ -26,9 +26,12 @@ import java.util.TimerTask;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.LocalDirAllocator;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.yarn.YarnException;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.service.AbstractService;
@ -120,6 +123,19 @@ public class LocalDirsHandlerService extends AbstractService {
lastDisksCheckTime = System.currentTimeMillis();
super.init(conf);
FileContext localFs;
try {
localFs = FileContext.getLocalFSFileContext(config);
} catch (IOException e) {
throw new YarnException("Unable to get the local filesystem", e);
}
FsPermission perm = new FsPermission((short)0755);
boolean createSucceeded = localDirs.createNonExistentDirs(localFs, perm);
createSucceeded &= logDirs.createNonExistentDirs(localFs, perm);
if (!createSucceeded) {
updateDirsAfterFailure();
}
// Check the disk health immediately to weed out bad directories
// before other init code attempts to use them.
checkDirs();
@ -229,7 +245,8 @@ public class LocalDirsHandlerService extends AbstractService {
* Set good local dirs and good log dirs in the configuration so that the
* LocalDirAllocator objects will use this updated configuration only.
*/
private void updateDirsInConfiguration() {
private void updateDirsAfterFailure() {
LOG.info("Disk(s) failed. " + getDisksHealthReport());
Configuration conf = getConfig();
List<String> localDirs = getLocalDirs();
conf.setStrings(YarnConfiguration.NM_LOCAL_DIRS,
@ -237,6 +254,10 @@ public class LocalDirsHandlerService extends AbstractService {
List<String> logDirs = getLogDirs();
conf.setStrings(YarnConfiguration.NM_LOG_DIRS,
logDirs.toArray(new String[logDirs.size()]));
if (!areDisksHealthy()) {
// Just log.
LOG.error("Most of the disks failed. " + getDisksHealthReport());
}
}
private void checkDirs() {
@ -249,12 +270,7 @@ public class LocalDirsHandlerService extends AbstractService {
}
if (newFailure) {
LOG.info("Disk(s) failed. " + getDisksHealthReport());
updateDirsInConfiguration();
if (!areDisksHealthy()) {
// Just log.
LOG.error("Most of the disks failed. " + getDisksHealthReport());
}
updateDirsAfterFailure();
}
lastDisksCheckTime = System.currentTimeMillis();
}

39
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/TestDirectoryCollection.java
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@ -23,7 +23,13 @@ import java.io.IOException;
import java.util.List;
import java.util.ListIterator;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.fs.FileContext;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.junit.AfterClass;
import org.junit.Assert;
import org.junit.BeforeClass;
@ -65,4 +71,37 @@ public class TestDirectoryCollection {
// Verify no ConcurrentModification is thrown
li.next();
}
@Test
public void testCreateDirectories() throws IOException {
Configuration conf = new Configuration();
conf.set(CommonConfigurationKeys.FS_PERMISSIONS_UMASK_KEY, "077");
FileContext localFs = FileContext.getLocalFSFileContext(conf);
String dirA = new File(testDir, "dirA").getPath();
String dirB = new File(dirA, "dirB").getPath();
String dirC = new File(testDir, "dirC").getPath();
Path pathC = new Path(dirC);
FsPermission permDirC = new FsPermission((short)0710);
localFs.mkdir(pathC, null, true);
localFs.setPermission(pathC, permDirC);
String[] dirs = { dirA, dirB, dirC };
DirectoryCollection dc = new DirectoryCollection(dirs);
FsPermission defaultPerm = FsPermission.getDefault()
.applyUMask(new FsPermission((short)FsPermission.DEFAULT_UMASK));
boolean createResult = dc.createNonExistentDirs(localFs, defaultPerm);
Assert.assertTrue(createResult);
FileStatus status = localFs.getFileStatus(new Path(dirA));
Assert.assertEquals("local dir parent not created with proper permissions",
defaultPerm, status.getPermission());
status = localFs.getFileStatus(new Path(dirB));
Assert.assertEquals("local dir not created with proper permissions",
defaultPerm, status.getPermission());
status = localFs.getFileStatus(pathC);
Assert.assertEquals("existing local directory permissions modified",
permDirC, status.getPermission());
}
}

5
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/test/java/org/apache/hadoop/yarn/server/nodemanager/webapp/TestContainerLogsPage.java
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@ -43,8 +43,9 @@ public class TestContainerLogsPage {
@Test
public void testContainerLogDirs() throws IOException {
String logdirwithFile = "file:///target/"
+ TestNMWebServer.class.getSimpleName() + "LogDir";
String absLogDir = new File("target",
TestNMWebServer.class.getSimpleName() + "LogDir").getAbsolutePath();
String logdirwithFile = "file://" + absLogDir;
Configuration conf = new Configuration();
conf.set(YarnConfiguration.NM_LOG_DIRS, logdirwithFile);
NodeHealthCheckerService healthChecker = new NodeHealthCheckerService();