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From "Owen O'Malley (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9525) hadoop utilities need to support provided delegation tokens
Date Mon, 25 Jan 2016 23:38:39 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9525?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15116289#comment-15116289
] 

Owen O'Malley commented on HDFS-9525:
-------------------------------------

[~daryn] I'm sorry, but I don't see what problem the patch introduced. It lets your webhdfs
have a token even if your security is turned off as long as it was already in the UGI. Where
is the problem?

> hadoop utilities need to support provided delegation tokens
> -----------------------------------------------------------
>
>                 Key: HDFS-9525
>                 URL: https://issues.apache.org/jira/browse/HDFS-9525
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: security
>    Affects Versions: 3.0.0
>            Reporter: Allen Wittenauer
>            Assignee: HeeSoo Kim
>            Priority: Blocker
>             Fix For: 3.0.0
>
>         Attachments: HDFS-7984.001.patch, HDFS-7984.002.patch, HDFS-7984.003.patch, HDFS-7984.004.patch,
HDFS-7984.005.patch, HDFS-7984.006.patch, HDFS-7984.007.patch, HDFS-7984.patch, HDFS-9525.008.patch,
HDFS-9525.009.patch, HDFS-9525.009.patch, HDFS-9525.branch-2.008.patch, HDFS-9525.branch-2.009.patch
>
>
> When using the webhdfs:// filesystem (especially from distcp), we need the ability to
inject a delegation token rather than webhdfs initialize its own.  This would allow for cross-authentication-zone
file system accesses.



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