[GitHub] spark pull request #20167: [SPARK-16501] [MESOS] Allow providing Mesos princ...

[rvesse <gi...@git.apache.org>]

Github user rvesse commented on a diff in the pull request:

    https://github.com/apache/spark/pull/20167#discussion_r161484346
  
    --- Diff: resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerUtils.scala ---
    @@ -80,10 +80,27 @@ trait MesosSchedulerUtils extends Logging {
         }
         fwInfoBuilder.setHostname(Option(conf.getenv("SPARK_PUBLIC_DNS")).getOrElse(
           conf.get(DRIVER_HOST_ADDRESS)))
    +    conf.getOption("spark.mesos.principal.file")
    --- End diff --
    
    We have customers who operate secure multi-tenant environments who consider even leaking principals of users from other tenants to be a security issue i.e. they want to minimise what users from one tenant can learn about users from another


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