[GitHub] [spark] ifilonenko opened a new pull request #26789: [SPARK-30160] Introduce the ExecutorPodController API

[GitBox <gi...@apache.org>]

ifilonenko opened a new pull request #26789: [SPARK-30160] Introduce the ExecutorPodController API 
URL: https://github.com/apache/spark/pull/26789
 
 
   ### What changes were proposed in this pull request?
   I am putting existing functionality behind an API that allows for developers to customize how executors are brought up and down. 
   
   ### Why are the changes needed?
    Companies may require that executor creation be done by privileged resources (like admin controllers / operators who would receive events or updates) that would create the Kubernetes Executor pods on-behalf of the user. In essence, the assumption that the driver has the appropriate service-account to create pods is not a guarantee in various organizations.
   
   
   
   ### Does this PR introduce any user-facing change?
   No
   
   
   ### How was this patch tested?
   - [ ] Unit tests
   - [ ] integration tests
   - [ ] Ran an implementation of the API against dev and prod, extending a custom Kubernetes CRD
   

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