[jira] [Assigned] (SPARK-6558) Utils.getCurrentUserName returns the full principal name instead of login name

["Thomas Graves (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-6558?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Graves reassigned SPARK-6558:
------------------------------------

    Assignee: Thomas Graves

> Utils.getCurrentUserName returns the full principal name instead of login name
> ------------------------------------------------------------------------------
>
>                 Key: SPARK-6558
>                 URL: https://issues.apache.org/jira/browse/SPARK-6558
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 1.3.0
>            Reporter: Thomas Graves
>            Assignee: Thomas Graves
>            Priority: Critical
>
> Utils.getCurrentUserName returns UserGroupInformation.getCurrentUser().getUserName() when SPARK_USER isn't set.  It should return UserGroupInformation.getCurrentUser().getShortUserName()
> getUserName() returns the users full principal name (ie user1@CORP.COM). getShortUserName() returns just the users login name (user1).
> This just happens to work on YARN because the Client code sets:
>     env("SPARK_USER") = UserGroupInformation.getCurrentUser().getShortUserName()



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