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https://issues.apache.org/jira/browse/SPARK-25500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16625661#comment-16625661
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Abhishek Rao commented on SPARK-25500:
--------------------------------------

Even thought templates work for all scenarios, it would be better for native 
spark feature functionality to have it on command-line especially for spark 
configuration files like fairscheduler.xml, log4j.properties and 
metrics.properties.

This can of course be re-used for other usecases going forward if required.

> Specify configmap and secrets in Spark driver and executor pods in Kubernetes
> -----------------------------------------------------------------------------
>
>                 Key: SPARK-25500
>                 URL: https://issues.apache.org/jira/browse/SPARK-25500
>             Project: Spark
>          Issue Type: Improvement
>          Components: Kubernetes
>    Affects Versions: 2.3.1
>            Reporter: Abhishek Rao
>            Priority: Minor
>
> This uses SPARK-23529. Support for specifying configmap and secrets as 
> spark-configuration is requested.
> Using PR #22146, the above functionality can be achieved by passing template 
> file. However, for spark properties (like log4j.properties, fairscheduler.xml 
> and metrics.properties), we are proposing this approach as this is native to 
> other configuration options specifications in spark.
> The configmaps and secrets have to be pre-created before using this as spark 
> configuration.



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