Adrian Tanase created SPARK-26295:
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Summary: [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
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:
{{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account may have been revoked.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"}}
My current workaround is to create a clusterrolebinding with edit rights for
the mynamespace:default account.
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