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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8943) Enable to support multiple ADs and different group mapping for different user
Date Fri, 19 Oct 2012 02:40:04 GMT
Kai Zheng created HADOOP-8943:
---------------------------------

             Summary: Enable to support multiple ADs and different group mapping for different
user
                 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


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.


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