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From "roger mak (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-11683) Need a plugin API to translate long principal names to local OS user names arbitrarily
Date Thu, 13 Aug 2015 23:17:45 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-11683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

roger mak updated HADOOP-11683:
-------------------------------
         Release Note: 
The patch allows HadoopKerberosName to use a user name mapping pluggable API from parameter,
hadoop.security.user.name.mapping, instead of the regular expression specified in parameter,
hadoop.security.auth_to_local.

If user name is not found by the API or hadoop.security.user.mapping is not set, it will default
back to hadoop.security.auth_to_local for compatibility. 
    Affects Version/s: 2.6.0
               Status: Patch Available  (was: Open)

submit patch to start the review process and trigger the automated test.

> Need a plugin API to translate long principal names to local OS user names arbitrarily
> --------------------------------------------------------------------------------------
>
>                 Key: HADOOP-11683
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11683
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 2.6.0
>            Reporter: Sunny Cheung
>            Assignee: roger mak
>         Attachments: HADOOP-11683.001.patch
>
>
> We need a plugin API to translate long principal names (e.g. john.doe@EXAMPLE.COM) to
local OS user names (e.g. user123456) arbitrarily.
> For some organizations the name translation is straightforward (e.g. john.doe@EXAMPLE.COM
to john_doe), and the hadoop.security.auth_to_local configurable mapping is sufficient to
resolve this (see HADOOP-6526). However, in some other cases the name translation is arbitrary
and cannot be generalized by a set of translation rules easily.



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