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MAPREDUCE-6288. Changed permissions on JobHistory server's done directory so that user's client can load the conf files directly. Contributed by Robert Kanter.

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This commit is contained in:
Vinod Kumar Vavilapalli 2015-03-30 10:27:19 -07:00
parent c358368f51
commit 5358b83167
4 changed files with 108 additions and 4 deletions
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4
hadoop-mapreduce-project/CHANGES.txt
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@ -510,6 +510,10 @@ Release 2.7.0 - UNRELEASED
MAPREDUCE-6285. ClientServiceDelegate should not retry upon
AuthenticationException. (Jonathan Eagles via ozawa)
MAPREDUCE-6288. Changed permissions on JobHistory server's done directory
so that user's client can load the conf files directly. (Robert Kanter via
vinodkv)
Release 2.6.1 - UNRELEASED
INCOMPATIBLE CHANGES

4
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/jobhistory/JobHistoryUtils.java
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@ -72,7 +72,7 @@ public class JobHistoryUtils {
* Permissions for the history done dir and derivatives.
*/
public static final FsPermission HISTORY_DONE_DIR_PERMISSION =
FsPermission.createImmutable((short) 0770);
FsPermission.createImmutable((short) 0771);
public static final FsPermission HISTORY_DONE_FILE_PERMISSION =
FsPermission.createImmutable((short) 0770); // rwx------
@ -81,7 +81,7 @@ public class JobHistoryUtils {
* Umask for the done dir and derivatives.
*/
public static final FsPermission HISTORY_DONE_DIR_UMASK = FsPermission
.createImmutable((short) (0770 ^ 0777));
.createImmutable((short) (0771 ^ 0777));
/**

31
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/HistoryFileManager.java
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@ -571,8 +571,10 @@ boolean tryCreatingHistoryDirs(boolean logWait) throws IOException {
new Path(doneDirPrefix));
doneDirFc = FileContext.getFileContext(doneDirPrefixPath.toUri(), conf);
doneDirFc.setUMask(JobHistoryUtils.HISTORY_DONE_DIR_UMASK);
mkdir(doneDirFc, doneDirPrefixPath, new FsPermission(
JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION));
FsPermission doneDirPerm = new FsPermission(
JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION);
mkdir(doneDirFc, doneDirPrefixPath, doneDirPerm);
checkHistoryDirsPermissions(doneDirFc, doneDirPrefixPath, doneDirPerm);
} catch (ConnectException ex) {
if (logWait) {
LOG.info("Waiting for FileSystem at " +
@ -659,6 +661,31 @@ private void mkdir(FileContext fc, Path path, FsPermission fsp)
}
}
private void checkHistoryDirsPermissions(FileContext fc, Path donePath,
FsPermission fsp) throws IOException {
FileStatus fsStatus = fc.getFileStatus(donePath);
if (fsStatus.getPermission().toShort() != fsp.toShort()) {
fc.setPermission(donePath, fsp);
}
List<FileStatus> dirs = findTimestampedDirectories();
for (FileStatus dir : dirs) {
setPermission(fc, donePath, fsp, dir);
}
}
private void setPermission(FileContext fc, Path donePath, FsPermission fsp,
FileStatus dir) throws IOException {
FsPermission fsPerm = dir.getPermission();
if (fsPerm.toShort() != fsp.toShort()) {
fc.setPermission(dir.getPath(), fsp);
Path parentPath = dir.getPath().getParent();
if (!parentPath.equals(donePath)) {
FileStatus parentDir = fc.getFileStatus(parentPath);
setPermission(fc, donePath, fsp, parentDir);
}
}
}
/**
* Populates index data structures. Should only be called at initialization
* times.

73
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/test/java/org/apache/hadoop/mapreduce/v2/hs/TestHistoryFileManager.java
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@ -23,6 +23,9 @@
import java.io.FileOutputStream;
import java.util.UUID;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils;
import org.junit.Assert;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
@ -108,6 +111,76 @@ public void testCreateDirsWithFileSystem() throws Exception {
testTryCreateHistoryDirs(dfsCluster.getConfiguration(0), true);
}
@Test
public void testUpdateDirPermissions() throws Exception {
DistributedFileSystem fs = dfsCluster.getFileSystem();
fs.setSafeMode( HdfsConstants.SafeModeAction.SAFEMODE_LEAVE);
Assert.assertFalse(dfsCluster.getFileSystem().isInSafeMode());
Configuration conf = dfsCluster.getConfiguration(0);
conf.set(JHAdminConfig.MR_HISTORY_DONE_DIR, getDoneDirNameForTest());
conf.set(JHAdminConfig.MR_HISTORY_INTERMEDIATE_DONE_DIR, getIntermediateDoneDirNameForTest());
Path p1a = new Path(getDoneDirNameForTest(), "2013");
Path p1b = new Path(p1a, "02");
Path p1c = new Path(p1b, "15");
Path p1d = new Path(p1c, "000000");
Path p2a = new Path(getDoneDirNameForTest(), "2013");
Path p2b = new Path(p2a, "03");
Path p2c = new Path(p2b, "14");
Path p2d = new Path(p2c, "000001");
FsPermission oldPerms = new FsPermission((short) 0770);
fs.mkdirs(p1d);
fs.mkdirs(p2d);
fs.setPermission(p1a, oldPerms);
fs.setPermission(p1b, oldPerms);
fs.setPermission(p1c, oldPerms);
fs.setPermission(p1d, oldPerms);
fs.setPermission(p2a, oldPerms);
fs.setPermission(p2b, oldPerms);
fs.setPermission(p2c, oldPerms);
fs.setPermission(p2d, oldPerms);
Path p1File = new Path(p1d, "foo.jhist");
Assert.assertTrue(fs.createNewFile(p1File));
fs.setPermission(p1File, JobHistoryUtils.HISTORY_DONE_FILE_PERMISSION);
Path p2File = new Path(p2d, "bar.jhist");
Assert.assertTrue(fs.createNewFile(p2File));
fs.setPermission(p2File, JobHistoryUtils.HISTORY_DONE_FILE_PERMISSION);
Assert.assertEquals(oldPerms, fs.getFileStatus(p1a).getPermission());
Assert.assertEquals(oldPerms, fs.getFileStatus(p1b).getPermission());
Assert.assertEquals(oldPerms, fs.getFileStatus(p1c).getPermission());
Assert.assertEquals(oldPerms, fs.getFileStatus(p1d).getPermission());
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_FILE_PERMISSION,
fs.getFileStatus(p1File).getPermission());
Assert.assertEquals(oldPerms, fs.getFileStatus(p2a).getPermission());
Assert.assertEquals(oldPerms, fs.getFileStatus(p2b).getPermission());
Assert.assertEquals(oldPerms, fs.getFileStatus(p2c).getPermission());
Assert.assertEquals(oldPerms, fs.getFileStatus(p2d).getPermission());
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_FILE_PERMISSION,
fs.getFileStatus(p2File).getPermission());
HistoryFileManager hfm = new HistoryFileManager();
hfm.conf = conf;
Assert.assertEquals(true, hfm.tryCreatingHistoryDirs(false));
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION,
fs.getFileStatus(p1a).getPermission());
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION,
fs.getFileStatus(p1b).getPermission());
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION,
fs.getFileStatus(p1c).getPermission());
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION,
fs.getFileStatus(p1d).getPermission());
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_FILE_PERMISSION,
fs.getFileStatus(p2File).getPermission());
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION,
fs.getFileStatus(p2a).getPermission());
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION,
fs.getFileStatus(p2b).getPermission());
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION,
fs.getFileStatus(p2c).getPermission());
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_DIR_PERMISSION,
fs.getFileStatus(p2d).getPermission());
Assert.assertEquals(JobHistoryUtils.HISTORY_DONE_FILE_PERMISSION,
fs.getFileStatus(p2File).getPermission());
}
@Test
public void testCreateDirsWithAdditionalFileSystem() throws Exception {
dfsCluster.getFileSystem().setSafeMode(