Github user skonto commented on a diff in the pull request:
https://github.com/apache/spark/pull/19272#discussion_r139642261
--- Diff:
resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosCoarseGrainedSchedulerBackend.scala
---
@@ -194,6 +198,24 @@ private[spark] class
MesosCoarseGrainedSchedulerBackend(
sc.conf.getOption("spark.mesos.driver.frameworkId").map(_ + suffix)
)
+ if (principal != null) {
+ logDebug(s"Principal found ($principal) starting token renewer")
+ val credentialRenewerThread = new Thread {
+ setName("MesosCredentialRenewer")
+ override def run(): Unit = {
+ val credentialRenewer =
+ new MesosCredentialRenewer(
+ conf,
+ hadoopDelegationTokenManager.get,
+
MesosCredentialRenewer.getTokenRenewalInterval(hadoopDelegationCreds.get, conf),
--- End diff --
hadoopDelegationCreds.get. Should we check against none? Creds are loaded
in CoarseGrainedSchedulerBackend but if they are missing we should fail here?
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