Kai Zheng created HADOOP-8943:
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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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