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https://issues.apache.org/jira/browse/SPARK-26295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16711462#comment-16711462
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Adrian Tanase commented on SPARK-26295:
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I would be happy to give it a shot with a bit of guidance, as I can't easily
figure out where this should slot in, given the many classes under the
*org.apache.spark.deploy.k8s* package.
Also, I've just seen the docs calling out this configuration
(*spark.kubernetes.authenticate.serviceAccountName*) but I don't think it's
implemented, or we have a bug.
> [K8S] serviceAccountName is not set in client mode
> --------------------------------------------------
>
> Key: SPARK-26295
> URL: https://issues.apache.org/jira/browse/SPARK-26295
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes
> Affects Versions: 2.4.0
> Reporter: Adrian Tanase
> Priority: Major
>
> When deploying spark apps in client mode (in my case from inside the driver
> pod), one can't specify the service account in accordance to the docs
> ([https://spark.apache.org/docs/latest/running-on-kubernetes.html#rbac).]
> The property {{spark.kubernetes.authenticate.driver.serviceAccountName}} is
> most likely added in cluster mode only, which would be consistent with
> spark.kubernetes.authenticate.driver being the cluster mode prefix.
> We should either inject the service account specified by this property in the
> client mode pods, or specify an equivalent config:
> spark.kubernetes.authenticate.serviceAccountName
> This is the exception:
> {noformat}
> Message: Forbidden!Configured service account doesn't have access. Service
> account may have been revoked. pods "..." is forbidden: User
> "system:serviceaccount:mynamespace:default" cannot get pods in the namespace
> "mynamespace"{noformat}
> The expectation was to see the user `mynamespace:spark` based on my submit
> command.
> My current workaround is to create a clusterrolebinding with edit rights for
> the mynamespace:default account.
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