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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8943) Support multiple group mapping providers
Date Sat, 15 Dec 2012 10:08:13 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kai Zheng updated HADOOP-8943:
------------------------------

    Attachment: HADOOP-8943.patch

Updated the patch with missed files.
                
> 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
>             Fix For: 2.0.3-alpha
>
>         Attachments: HADOOP-8943.patch, HADOOP-8943.patch, HADOOP-8943.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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