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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