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Posted to issues@nifi.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/03/09 14:24:37 UTC

[jira] [Commented] (NIFI-3534) Add support for impersonating a user with HDFS processors

    [ https://issues.apache.org/jira/browse/NIFI-3534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15903115#comment-15903115 ] 

ASF GitHub Bot commented on NIFI-3534:
--------------------------------------

GitHub user apsaltis opened a pull request:

    https://github.com/apache/nifi/pull/1581

    NIFI-3534 Add support for impersonating a user with HDFS processors

    This P/R adds the functionality as described in JIRA NIFI-3534 with one addition. The addition that is not documented, is that it also added EL for the config paths. 

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/apsaltis/nifi NIFI-3534

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/nifi/pull/1581.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1581
    
----
commit d0c2de7aa029c9f2bb5d4a619747a9d93da4c8e3
Author: Andrew Psaltis <ps...@gmail.com>
Date:   2017-03-09T14:15:30Z

    NIFI-3534 Add support for impersonating a user with HDFS processors

----


> Add support for impersonating a user with HDFS processors 
> ----------------------------------------------------------
>
>                 Key: NIFI-3534
>                 URL: https://issues.apache.org/jira/browse/NIFI-3534
>             Project: Apache NiFi
>          Issue Type: Bug
>            Reporter: Andrew Psaltis
>            Assignee: Andrew Psaltis
>
> When using the HDFS processors, specifically PutHDFS there are times when a user wants to impersonate a user so that the files written to HDFS are done as the remote user. In cases where Kerberos is not used, this is not possible. Currently there is the ability for NiFi to change the permissions using the Remote Owner and Remote Group, however, this only works if NiFi is running as a user that has HDFS super user privilege. By providing the ability to set a Remote User, NiFi can then impersonate the user and the permission checks will be done in Hadoop land. 



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