Ricardo Martinelli de Oliveira created SPARK-24534:
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             Summary: Add a way to bypass entrypoint.sh script if no spark cmd 
is passed
                 Key: SPARK-24534
                 URL: https://issues.apache.org/jira/browse/SPARK-24534
             Project: Spark
          Issue Type: Improvement
          Components: Kubernetes
    Affects Versions: 2.3.0
            Reporter: Ricardo Martinelli de Oliveira


As an improvement in the entrypoint.sh script, I'd like to propose spark 
entrypoint do a passthrough if driver/executor/init is not the command passed. 
Currently it raises an error.

To me more specific, I'm talking about these lines:

 

[https://github.com/apache/spark/blob/master/resource-managers/kubernetes/docker/src/main/dockerfiles/spark/entrypoint.sh#L113-L114]

 

This allows the openshift-spark image to continue to function as a Spark 
Standalone component, with custom configuration support etc, but double as an 
OpenShift spark-on-k8s image.



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