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Posted to issues@spark.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2018/10/19 09:01:00 UTC
[jira] [Commented] (SPARK-19143) API in Spark for distributing new
delegation tokens (Improve delegation token handling in secure clusters)
[ https://issues.apache.org/jira/browse/SPARK-19143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16656476#comment-16656476 ]
Steve Loughran commented on SPARK-19143:
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I'm looking at this as I add DTs into S3A (HADOOP-14556) and seeing how downstream stuff picks this up. I'm looking at the issue of "can a user submit a new set of tokens from their machine and have that propagate", especially in the context of "not giving a long-lived cluster my keytab because IT won't give it to me"
Has anyone done anything recent here.
> API in Spark for distributing new delegation tokens (Improve delegation token handling in secure clusters)
> ----------------------------------------------------------------------------------------------------------
>
> Key: SPARK-19143
> URL: https://issues.apache.org/jira/browse/SPARK-19143
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core, YARN
> Affects Versions: 2.0.2, 2.1.0
> Reporter: Ruslan Dautkhanov
> Priority: Major
>
> Spin off from SPARK-14743 and comments chain in [recent comments| https://issues.apache.org/jira/browse/SPARK-5493?focusedCommentId=15802179&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15802179] in SPARK-5493.
> Spark currently doesn't have a way for distribution new delegation tokens. Quoting [~vanzin] from SPARK-5493
> {quote}
> IIRC Livy doesn't yet support delegation token renewal. Once it reaches the TTL, the session is unusable.
> There might be ways to hack support for that without changes in Spark, but I'd like to see a proper API in Spark for distributing new delegation tokens. I mentioned that in SPARK-14743, but although that bug is closed, that particular feature hasn't been implemented yet.
> {quote}
> Other thoughts?
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