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YARN-1914. Fixed resource-download on NodeManagers to skip permission verification of public cache files in Windows+local file-system environment. Contribued by Varun Vasudev.

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1586434 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Vinod Kumar Vavilapalli 2014-04-10 19:28:31 +00:00
parent d14976020e
commit cde7b17566
2 changed files with 16 additions and 0 deletions
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4
hadoop-yarn-project/CHANGES.txt
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@ -100,6 +100,10 @@ Release 2.4.1 - UNRELEASED
YARN-1920. Fixed TestFileSystemApplicationHistoryStore failure on windows. YARN-1920. Fixed TestFileSystemApplicationHistoryStore failure on windows.
(Vinod Kumar Vavilapalli via zjshen) (Vinod Kumar Vavilapalli via zjshen)
YARN-1914. Fixed resource-download on NodeManagers to skip permission
verification of public cache files in Windows+local file-system environment.
(Varun Vasudev via vinodkv)
Release 2.4.0 - 2014-04-07 Release 2.4.0 - 2014-04-07
INCOMPATIBLE CHANGES INCOMPATIBLE CHANGES

12
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/util/FSDownload.java
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@ -36,12 +36,14 @@
import org.apache.hadoop.fs.FileStatus; import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.FileSystem; import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.FileUtil; import org.apache.hadoop.fs.FileUtil;
import org.apache.hadoop.fs.LocalFileSystem;
import org.apache.hadoop.fs.Options.Rename; import org.apache.hadoop.fs.Options.Rename;
import org.apache.hadoop.fs.Path; import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsAction; import org.apache.hadoop.fs.permission.FsAction;
import org.apache.hadoop.fs.permission.FsPermission; import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.security.UserGroupInformation; import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.RunJar; import org.apache.hadoop.util.RunJar;
import org.apache.hadoop.util.Shell;
import org.apache.hadoop.yarn.api.records.LocalResource; import org.apache.hadoop.yarn.api.records.LocalResource;
import org.apache.hadoop.yarn.api.records.LocalResourceVisibility; import org.apache.hadoop.yarn.api.records.LocalResourceVisibility;
@ -139,6 +141,16 @@ static boolean isPublic(FileSystem fs, Path current, FileStatus sStat,
if (!checkPublicPermsForAll(fs, sStat, FsAction.READ_EXECUTE, FsAction.READ)) { if (!checkPublicPermsForAll(fs, sStat, FsAction.READ_EXECUTE, FsAction.READ)) {
return false; return false;
} }
if (Shell.WINDOWS && fs instanceof LocalFileSystem) {
// Relax the requirement for public cache on LFS on Windows since default
// permissions are "700" all the way up to the drive letter. In this
// model, the only requirement for a user is to give EVERYONE group
// permission on the file and the file will be considered public.
// This code path is only hit when fs.default.name is file:/// (mainly
// in tests).
return true;
}
return ancestorsHaveExecutePermissions(fs, current.getParent(), statCache); return ancestorsHaveExecutePermissions(fs, current.getParent(), statCache);
} }