Henry Yu created SPARK-27997:
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             Summary: kubernetes client token expired 
                 Key: SPARK-27997
                 URL: https://issues.apache.org/jira/browse/SPARK-27997
             Project: Spark
          Issue Type: Bug
          Components: Kubernetes
    Affects Versions: 2.4.3
            Reporter: Henry Yu


Hi ,

when I try to submit spark to k8s in cluster mode, I need an authtoken to talk 
with k8s.

unfortunately, many cloud provider provider token and expired with 10-15 mins. 
so we need to fresh this token.  

client mode is event worse, because scheduler is created on submit process.

Should I also make a pr on this ? I fix it by adding 

RotatingOAuthTokenProvider and some configuration.

[~dongjoon]



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