from google.cloud import dataproc_v1

config = {
           "project_id": "...",
           "cluster_name":"...",
           "config": { "software_config": {
                   "optional_components": ["ICEBERG"],  
               }
}

dataproc_v1.ClusterControllerClient().create_cluster(
           request={
               "project_id": self.project_id,
               "region": self.region,
               "cluster": cluster_config
           }