def get_proxy_port_for_instance(name, instance, cluster=None, soa_dir=DEFAULT_SOA_DIR):
    namespace = read_namespace_for_service_instance(name, instance, cluster, soa_dir)
    nerve_dict = load_service_namespace_config(name, namespace, soa_dir)
    return nerve_dict.get('proxy_port')
create via BIOMART
dataset/ETHPy150Open Yelp/paasta/paasta_tools/marathon_tools.py/get_proxy_port_for_instance--crossover with--dataset/ETHPy150Open CGATOxford/cgat/obsolete/pipeline_snps.py/importMGI