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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8943) Support multiple group mapping providers
Date Thu, 26 Jun 2014 17:29:25 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14044902#comment-14044902
] 

Hudson commented on HADOOP-8943:
--------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #5783 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/5783/])
HADOOP-8943. Support multiple group mapping providers. Contributed by Kai Zheng (brandonli:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1605857)
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/CompositeGroupsMapping.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/GroupMappingServiceProvider.java
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/security/TestCompositeGroupMapping.java


> Support multiple group mapping providers
> ----------------------------------------
>
>                 Key: HADOOP-8943
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8943
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>             Fix For: 2.5.0
>
>         Attachments: HADOOP-8943.patch, HADOOP-8943.patch, HADOOP-8943.patch, hadoop-8943-v2.patch,
hadoop-8943-v3.patch, hadoop-8943-v4.patch
>
>   Original Estimate: 504h
>  Remaining Estimate: 504h
>
>   Discussed with Natty about LdapGroupMapping, we need to improve it so that: 
> 1. It's possible to do different group mapping for different users/principals. For example,
AD user should go to LdapGroupMapping service for group, but service principals such as hdfs,
mapred can still use the default one ShellBasedUnixGroupsMapping; 
> 2. Multiple ADs can be supported to do LdapGroupMapping; 
> 3. It's possible to configure what kind of users/principals (regarding domain/realm is
an option) should use which group mapping service/mechanism.
> 4. It's possible to configure and combine multiple existing mapping providers without
writing codes implementing new one.



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