Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/5307#discussion_r27931054
--- Diff:
yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala ---
@@ -552,8 +558,47 @@ private[spark] class ApplicationMaster(
}
}
+ /** set "MapReduceShuffleToken" before registerAM
+ * @return
+ */
+ private def initJobCredentialsAndUGI() = {
+ val sc = sparkContextRef.get()
+ val conf = if (sc != null) sc.getConf else sparkConf
+ val isEncryptedShuffle = if (conf != null) {
+ conf.getBoolean("spark.encrypted.shuffle", false)
+ } else {
+ false
+ }
+ if (isEncryptedShuffle) {
--- End diff --
Another instance of this code that could use some cleaning up.
I wonder if it would make sense to have a `CryptoConf` object that wraps a
`SparkConf` (like `SSLOptions`).
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