Xiao Li updated SPARK-24232:
    Fix Version/s:     (was: 3.0.0)

> Allow referring to kubernetes secrets as env variable
> -----------------------------------------------------
>                 Key: SPARK-24232
>                 URL: https://issues.apache.org/jira/browse/SPARK-24232
>             Project: Spark
>          Issue Type: New Feature
>          Components: Kubernetes
>    Affects Versions: 2.3.0
>            Reporter: Dharmesh Kakadia
>            Assignee: Stavros Kontopoulos
>            Priority: Major
>             Fix For: 2.4.0
> Allow referring to kubernetes secrets in the driver process via environment 
> variables. This will allow developers to use secretes without leaking them in 
> the code and at the same time secrets can be decoupled and managed 
> separately. This can be used to refer to passwords, certificates etc while 
> talking to other service (jdbc passwords, storage keys etc).
> So, at the deployment time, something like 
> ``spark.kubernetes.driver.secretKeyRef.[EnvName]=<key>`` can be specified 
> which will make [EnvName].[key] available as an environment variable and in 
> the code its always referred as env variable [key].

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