Github user mccheah commented on a diff in the pull request:
https://github.com/apache/spark/pull/22146#discussion_r229013753
--- Diff: docs/running-on-kubernetes.md ---
@@ -185,6 +185,22 @@ To use a secret through an environment variable use
the following options to the
--conf spark.kubernetes.executor.secretKeyRef.ENV_NAME=name:key
```
+## Pod Template
+Kubernetes allows defining pods from [template
files](https://kubernetes.io/docs/concepts/workloads/pods/pod-overview/#pod-templates).
+Spark users can similarly use template files to define the driver or
executor pod configurations that Spark configurations do not support.
+To do so, specify the spark properties
`spark.kubernetes.driver.podTemplateFile` and
`spark.kubernetes.executor.podTemplateFile`
+to point to local files accessible to the `spark-submit` process. To allow
the driver pod access the executor pod template
--- End diff --
Don't think we considered this, but, an interesting proposal. I think that
can be a follow up feature if requested.
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