Marcelo Vanzin reassigned SPARK-16501:

    Assignee: Rob Vesse  (was: Marcelo Vanzin)

> spark.mesos.secret exposed on UI and command line
> -------------------------------------------------
>                 Key: SPARK-16501
>                 URL: https://issues.apache.org/jira/browse/SPARK-16501
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Submit, Web UI
>    Affects Versions: 1.6.2
>            Reporter: Eric Daniel
>            Assignee: Rob Vesse
>            Priority: Major
>              Labels: security
>             Fix For: 2.4.0
> There are two related problems with spark.mesos.secret:
> 1) The web UI shows its value in the "environment" tab
> 2) Passing it as a command-line option to spark-submit (or creating a 
> SparkContext from python, with the effect of launching spark-submit)  exposes 
> it to "ps"
> I'll be happy to submit a patch but I could use some advice first.
> The first problem is easy enough, just don't show that value in the UI
> For the second problem, I'm not sure what the best solution is. A 
> "spark.mesos.secret-file" parameter would let the user store the secret in a 
> non-world-readable file. Alternatively, the mesos secret could be obtained 
> from the environment, which other users don't have access to.  Either 
> solution would work in client mode, but I don't know if they're workable in 
> cluster mode.

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