def server2(): yield from start_ignite_gen(idx=2)
def server(): yield from start_ignite_gen(use_ssl=True, use_auth=False)
def server1(): yield from start_ignite_gen(idx=1)
def server(): yield from start_ignite_gen( idx=0) # idx=0, because 10800 port is needed for examples.
def server3(): yield from start_ignite_gen(3)
def server2(with_persistence, cleanup): yield from start_ignite_gen(idx=2, use_persistence=with_persistence)
def server(with_ssl, cleanup): yield from start_ignite_gen(use_ssl=with_ssl, use_auth=True)