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From "Thomas Graves (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-25732) Allow specifying a keytab/principal for proxy user for token renewal
Date Tue, 16 Oct 2018 14:50:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-25732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16651840#comment-16651840
] 

Thomas Graves commented on SPARK-25732:
---------------------------------------

sorry just realized I misread the second one.  why would you run the second command?

I would actually expect that to fail or run as the super user unless it downloaded the keytab
and kinit'd on submission before it did anything with hdfs, etc.

> Allow specifying a keytab/principal for proxy user for token renewal 
> ---------------------------------------------------------------------
>
>                 Key: SPARK-25732
>                 URL: https://issues.apache.org/jira/browse/SPARK-25732
>             Project: Spark
>          Issue Type: Improvement
>          Components: Deploy
>    Affects Versions: 2.4.0
>            Reporter: Marco Gaido
>            Priority: Major
>
> As of now, application submitted with proxy-user fail after 2 week due to the lack of
token renewal. In order to enable it, we need the the keytab/principal of the impersonated
user to be specified, in order to have them available for the token renewal.
> This JIRA proposes to add two parameters {{--proxy-user-principal}} and {{--proxy-user-keytab}},
and the last letting a keytab being specified also in a distributed FS, so that applications
can be submitted by servers (eg. Livy, Zeppelin) without needing all users' principals being
on that machine.



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