[Bug 1363808] [NEW] register_cli_opts() does not work after register_opts()

[Baohua Yang]

Public bug reported:

The following code will not register the common_opts as cli options,
unless we put register_cli_opts() ahead of register_opts()

==================
import sys
from  oslo.config import cfg

if __name__ == "__main__":
    common_opts = [ cfg.StrOpt('bind_host', default='0.0.0.0', help='IP address to listen on'), cfg.IntOpt('bind_port', default=9292, help='Port number to listen on') ]

    CONF = cfg.CONF
    CONF.register_opts(common_opts)
    CONF.register_cli_opts(common_opts)

    CONF(args=sys.argv[1:])
===================

I think the usage order should not affect the registration.

** Affects: oslo-config (Ubuntu)
     Importance: Undecided
     Assignee: Baohua Yang (yangbaohua)
         Status: Confirmed

** Changed in: oslo-config (Ubuntu)
       Status: New => Confirmed

** Changed in: oslo-config (Ubuntu)
     Assignee: (unassigned) => Baohua Yang (yangbaohua)

** Changed in: oslo-config (Ubuntu)
       Status: Confirmed => Fix Committed

** Changed in: oslo-config (Ubuntu)
       Status: Fix Committed => Confirmed

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https://bugs.launchpad.net/bugs/1363808

Title:
  register_cli_opts() does not work after register_opts()

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