Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/18519#discussion_r126791991
--- Diff:
core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala
---
@@ -232,6 +240,14 @@ private[spark] object CoarseGrainedExecutorBackend
extends Logging {
}
}
+ /** Add Credentials to the currently logged in user. */
+ private def addCredentials(creds: Credentials): Unit = {
+ logInfo(s"Adding ${creds.numberOfTokens()} tokens and
${creds.numberOfSecretKeys()} secret" +
+ s"keys to the current user's credentials.")
+
+ UserGroupInformation.getCurrentUser().addCredentials(creds)
--- End diff --
This looks like `SparkHadoopUtil.addCurrentUserCredentials`. That's only
implemented on `YarnSparkHadoopUtil` for historical reasons, but since we
dropped Hadoop 1.x support, the implementation can move to `core/` now, and
you'd avoid this copy of that code.
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