vanzin commented on a change in pull request #23599: [SPARK-24793][K8s] Enhance
spark-submit for app management
URL: https://github.com/apache/spark/pull/23599#discussion_r264903240
##########
File path: core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala
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@@ -1348,6 +1368,22 @@ private[spark] object SparkSubmitUtils {
}
}
+ private[deploy] def getSubmitOperations(master: String):
SparkSubmitOperation = {
+ val loader = Utils.getContextOrSparkClassLoader
+ val serviceLoaders =
+ ServiceLoader.load(classOf[SparkSubmitOperation], loader)
+ .asScala
+ .filter(_.supports(master))
+
+ serviceLoaders.size match {
+ case x if x>1 =>
+ throw new SparkException(s"Multiple($x) external SparkSubmitOperations
" +
+ s"clients registered for Master url ${master}.")
+ case 1 => serviceLoaders.headOption.get
+ case _ => throw new IllegalArgumentException(s"No external
SparkSubmitOperations " +
Review comment:
Same.
Also, start mutli-line statements on their own line (like in the previous
case).
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