Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14065#discussion_r73930764
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/security/CredentialUpdater.scala
---
@@ -53,50 +53,58 @@ private[spark] class CredentialUpdater(
override def run(): Unit =
Utils.logUncaughtExceptions(updateCredentialsIfRequired())
}
- @volatile private var timeOfNextUpdate =
sparkConf.get(CREDENTIALS_UPDATE_TIME)
+ /** Start the credentail updater thread periodically to get the
credentials */
+ def bootstrap(): Unit = {
+ val bootstrapTime = sparkConf.get(CREDENTIALS_RENEWAL_TIME)
+ val remainingTime = bootstrapTime - System.currentTimeMillis()
+ if (remainingTime <= 0) {
+ // We just checked for new credentials but none were there, wait a
minute and retry.
--- End diff --
This comment is now wrong, since you haven't checked for anything yet.
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