dongjoon-hyun commented on a change in pull request #35496:
URL: https://github.com/apache/spark/pull/35496#discussion_r805462704
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File path:
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/KubernetesDriverCustomFeatureConfigStep.scala
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@@ -25,6 +25,45 @@ import org.apache.spark.deploy.k8s.KubernetesDriverConf
* A base interface to help user extend custom feature step in driver side.
* Note: If your custom feature step would be used only in driver or both in
driver and executor,
* please use this.
+ *
+ * Example of driver feature step:
+ *
+ * {{{
+ * class DriverExampleFeatureStep extends
KubernetesDriverCustomFeatureConfigStep {
+ * private var driverConf: KubernetesDriverConf = _
+ *
+ * override def init(conf: KubernetesDriverConf): Unit = {
+ * driverConf = conf
+ * }
+ *
+ * // Implements methods of `KubernetesFeatureConfigStep`, such as
`configurePod`
+ * override def configurePod(pod: SparkPod): SparkPod = {
+ * // Apply modifications on the given pod in accordance to this feature.
+ * }
+ * }
+ * }}}
+ *
+ * Example of feature step for both driver and executor:
+ *
+ * {{{
+ * class ExecutorExampleFeatureStep extends
KubernetesDriverCustomFeatureConfigStep
+ * with KubernetesExecutorCustomFeatureConfigStep {
Review comment:
Sorry for nit-picking but please check
[indentation](https://github.com/databricks/scala-style-guide#spacing-and-indentation).
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