    down_filename = 'vtgate-down.sh'
    up_instance_template = 'vtgate-up-instance.sh'
    down_instance_template = 'vtgate-down-instance.sh'
    short_name = 'vtgate'

    def __init__(self, hostname, ls):
        self.hostname = hostname
        self.ls = ls
        self.ports = dict(web_port=15001, grpc_port=15991, mysql_server_port=15306)
        self.configured_hosts = []
        self.read_config()
