discovery.register('123', 'key1', ConnectionParams.from_tuples(
'param1', 'val1',
'param2', 'val2'
))
connections = discovery.resolve_all(None, "key1")
# Returns [{'host': '10.1.1.100', 'port': '8080'}, {'param1': 'val1', 'param2': 'val2'}]