def servicegroup_server_exists(sg_name, s_name, s_port=None, **connection_args):
    return _servicegroup_get_server(sg_name, s_name, s_port, **connection_args) is not None
Check if a server:port combination is a member of a servicegroup
dataset/ETHPy150Open saltstack/salt/salt/modules/netscaler.py/servicegroup_server_exists