Github user ifilonenko commented on a diff in the pull request: https://github.com/apache/spark/pull/21669#discussion_r208257021 --- Diff: core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala --- @@ -336,7 +336,7 @@ private[spark] class SparkSubmit extends Logging { val targetDir = Utils.createTempDir() // assure a keytab is available from any place in a JVM - if (clusterManager == YARN || clusterManager == LOCAL || isMesosClient) { + if (clusterManager == YARN || clusterManager == LOCAL || isMesosClient || isKubernetesCluster) { --- End diff -- This check can be removed, but I included it since I believed that the keytab shouldn't be stored as a secret for security reasons and should instead be only accessible from the JVM.
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