Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/18978#discussion_r134037811
--- Diff:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/ApplicationMaster.scala
---
@@ -422,6 +440,35 @@ private[spark] class ApplicationMaster(
YarnSchedulerBackend.ENDPOINT_NAME)
}
+ /**
+ * Create an [[RpcEndpoint]] that communicates with the client.
+ *
+ * @return A reference to the application master's RPC endpoint.
+ */
+ private def runClientAMEndpoint(
+ port: Int,
+ driverRef: RpcEndpointRef,
+ securityManager: SecurityManager): RpcEndpointRef = {
+ val serversparkConf = new SparkConf()
+ serversparkConf.set("spark.rpc.connectionUsingTokens", "true")
+
+ val amRpcEnv =
+ RpcEnv.create(ApplicationMaster.SYSTEM_NAME, Utils.localHostName(),
port, serversparkConf,
+ securityManager)
+ clientToAMPort = amRpcEnv.address.port
+
+ val clientAMEndpoint =
+ amRpcEnv.setupEndpoint(ApplicationMaster.ENDPOINT_NAME,
+ new ClientToAMEndpoint(amRpcEnv, driverRef, securityManager))
+ clientAMEndpoint
+ }
+
+ /** RpcEndpoint class for ClientToAM */
+ private[spark] class ClientToAMEndpoint(
+ override val rpcEnv: RpcEnv, driverRef: RpcEndpointRef,
securityManager: SecurityManager)
+ extends RpcEndpoint with Logging {
+ }
--- End diff --
Add comment empty for now on purpose until we implement command that uses it
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