def provision_env(**optionals): vpc_cidr_block = '10.6.0.0/16' zone = valid_zones[0] private_subnet_cidr_block = '10.6.0.0/19' public_subnet_cidr_block = '10.6.32.0/20' dev_zones = [valid_zones[0]] env = Env( env='dev', vpc_cidr_block=vpc_cidr_block, **optionals ) env.provision_zone( zone=zone, private_subnet_cidr_block=private_subnet_cidr_block, public_subnet_cidr_block=public_subnet_cidr_block ) env.provision_resources(zones=dev_zones, zk_cluster_size=1, flink_num_jobmanagers=1, flink_num_taskmanagers=1)