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https://issues.apache.org/jira/browse/SPARK-26239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16707962#comment-16707962
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Matt Cheah commented on SPARK-26239:
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It could work in client mode but is less useful there overall because the user
has to determine how to get ahold of that secret file. Nevertheless for cluster
mode users that have secret file mounting systems for the driver and executors,
it would be a great start. I can start building the code for this.
> Add configurable auth secret source in k8s backend
> --------------------------------------------------
>
> Key: SPARK-26239
> URL: https://issues.apache.org/jira/browse/SPARK-26239
> Project: Spark
> Issue Type: New Feature
> Components: Kubernetes
> Affects Versions: 3.0.0
> Reporter: Marcelo Vanzin
> Priority: Major
>
> This is a follow up to SPARK-26194, which aims to add auto-generated secrets
> similar to the YARN backend.
> There's a desire to support different ways to generate and propagate these
> auth secrets (e.g. using things like Vault). Need to investigate:
> - exposing configuration to support that
> - changing SecurityManager so that it can delegate some of the
> secret-handling logic to custom implementations
> - figuring out whether this can also be used in client-mode, where the driver
> is not created by the k8s backend in Spark.
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