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https://issues.apache.org/jira/browse/SPARK-28360?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated SPARK-28360:
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Affects Version/s: (was: 3.0.0)
3.1.0
> The serviceAccountName configuration item does not take effect in client mode.
> ------------------------------------------------------------------------------
>
> Key: SPARK-28360
> URL: https://issues.apache.org/jira/browse/SPARK-28360
> Project: Spark
> Issue Type: Improvement
> Components: Kubernetes
> Affects Versions: 3.1.0
> Reporter: zhixingheyi_tian
> Priority: Major
>
> From the configuration item description from the spark document:
> https://spark.apache.org/docs/latest/running-on-kubernetes.html
>
> “spark.kubernetes.authenticate.driver.serviceAccountName default Service
> account that is used when running the driver pod. The driver pod uses this
> service account when requesting executor pods from the API server. Note that
> this cannot be specified alongside a CA cert file, client key file, client
> cert file, and/or OAuth token. In client mode, use
> spark.kubernetes.authenticate.serviceAccountName instead.”
> But in client mode. “spark.kubernetes.authenticate.serviceAccountName” does
> not take effect in fact.
> From the analysis of source codes, spark does not get this configuration item
> "spark.kubernetes.authenticate.serviceAccountName".
> In Unit Tests, only cases for
> "spark.kubernetes.authenticate.driver.serviceAccountName".
> In kubernetes， a service account provides an identity for processes that run
> in a Pod. When you create a pod, if you do not specify a service account, it
> is automatically assigned the default service account in the same namespace.
> Add a “spec.serviceAccountName” when creating a pod , can specify a custom
> service account.
> So in client mode, If you run your driver inside a Kubernetes pod, the
> serviceaccount has already existed. If your application is not running inside
> a pod, no serviceaccount is needed at all.
> From my point of view, just modify the document and delete the
> "spark.kubernetes.authenticate.serviceAccountName" configuration item
> description. Because it doesn't work at the moment, it also doesn't need to
> work.
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