Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/22362#discussion_r216107505
--- Diff: core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala ---
@@ -520,6 +520,10 @@ private[spark] class SparkSubmit extends Logging {
confKey = "spark.driver.extraJavaOptions"),
OptionAssigner(args.driverExtraLibraryPath, ALL_CLUSTER_MGRS,
ALL_DEPLOY_MODES,
confKey = "spark.driver.extraLibraryPath"),
+ OptionAssigner(args.principal, ALL_CLUSTER_MGRS, ALL_DEPLOY_MODES,
+ confKey = "spark.kerberos.principal"),
--- End diff --
Since you're changing this, could you use `PRINCIPAL.key` and `KEYTAB.key`
in the places where the config name is referenced?
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