Spark-Kubernetes

From Spark 3.0.0

Spark driver pod need RBAC

In Kubernetes clusters with RBAC enabled, users can configure Kubernetes RBAC roles and service accounts used by the various Spark on Kubernetes components to access the Kubernetes API server.

The Spark driver pod uses a Kubernetes service account to access the Kubernetes API server to create and watch executor pods.

Depending on the version and setup of Kubernetes deployed, this default service account may or may not have the role that allows driver pods to create pods and services under the default Kubernetes RBAC policies. Sometimes users may need to specify a custom service account that has the right role granted. Spark on Kubernetes supports specifying a custom se