zwangsheng commented on code in PR #38202:
URL: https://github.com/apache/spark/pull/38202#discussion_r1039131007


##########
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/DriverServiceFeatureStep.scala:
##########
@@ -50,6 +50,8 @@ private[spark] class DriverServiceFeatureStep(
       s"$shorterServiceName as the driver service's name.")
     shorterServiceName
   }
+  // expose driver service name
+  kubernetesConf.sparkConf.set(RESOLVED_SPARK_DRIVER_SVC_NAME, 
resolvedServiceName)

Review Comment:
   I agree with you that Apache Spark haven't tried to break this read-only 
rule elsewhere for `kubernetesConf.sparkConf`, so maybe we can try adding an 
additional variable to kubernetesConf for contextual passing.
   
   I will make changes to the logic inside the PR to comply with the 
`kubernetesConf.sparkConf`  read-only principle.



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