oslo-incubator

wants to use the opts from same group for default value of another opt to be registered in same group

Asked by One Convergence CI

hi all,
we want to register a opt in a group using oslo.config.cfg.register_opt(rabbit_hosts, group=opt). The rabbit_hosts is a list object which is made from rabbit_host & rabbit_port opt from SERVERS group. i had tried as follows:

1) opt = [cfg.ListOpt('rabbit_hosts',
                default=['$rabbit_host:$rabbit_port'],
                help='RabbitMQ HA cluster host:port pairs')
           ]
  cfg.CONF.register_opts(opt, group=SERVERS)
2) opt = [cfg.ListOpt('rabbit_hosts',
                default=['$SERVERS.rabbit_host:$SERVERS.rabbit_port'],
                help='RabbitMQ HA cluster host:port pairs')
           ]
  cfg.CONF.register_opts(opt, group=SERVERS)

but it is giving NOSuchOPT error all the time.
thanks for your response in advance

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One Convergence CI (oc-neutron-test) said : 		#1

opt = [cfg.ListOpt('rabbit_hosts',
                default=['%s:%s' % (cfg.CONF.SERVERS.rabbit_host, cfg.CONF.SERVERS.rabbit_port)],
                help='RabbitMQ HA cluster host:port pairs')
           ]
  cfg.CONF.register_opts(opt, group=SERVERS)