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https://issues.apache.org/jira/browse/HADOOP-8943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14046036#comment-14046036
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Hudson commented on HADOOP-8943:
--------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1814 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1814/])
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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