[Bug 1653967] Re: nova raises ConfigFileValueError for URLs with dashes

[George Shuklin]

I found one more source of this bug (It was pointed by Marsikus at
habrahabr.ru):
https://github.com/openstack/oslo.config/compare/3.18.0...master

As you can see, oslo.config have dependency for python-rfc3986== 0.2.0
in version 3.18.0, and 0.2.2 in stable/newton.

And https://releases.openstack.org/newton/index.html#oslo-config says
that 'Newton' is  3.17.0.

I think it is a maintenance mistake from oslo.config upstream.

** Also affects: nova
   Importance: Undecided
       Status: New

** Also affects: oslo.config
   Importance: Undecided
       Status: New

** No longer affects: nova

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https://bugs.launchpad.net/bugs/1653967

Title:
  nova raises ConfigFileValueError for URLs with dashes

Status in OpenStack Global Requirements:
  New
Status in oslo.config:
  New
Status in nova package in Ubuntu:
  Fix Released
Status in python-rfc3986 package in Ubuntu:
  Fix Released
Status in nova source package in Xenial:
  New
Status in python-rfc3986 source package in Xenial:
  New
Status in nova source package in Yakkety:
  New
Status in python-rfc3986 source package in Yakkety:
  New
Status in nova source package in Zesty:
  Fix Released
Status in python-rfc3986 source package in Zesty:
  Fix Released

Bug description:
  nova version: newton
  dpkg version: 2:14.0.1-0ubuntu1~cloud0
  distribution: nova @ xenial with ubuntu cloud archive, amd64.

  Nova fails with exception  ConfigFileValueError: Value for option url
  is not valid: invalid URI: if url parameter of [neutron] section or
  novncproxy_base_url parameter contains dashes in url.

  Steps to reproduce:

  Take a working openstack with nova+neutron.

  Put (in [neutron] section) url= http://nodash.example.com:9696  - it
  works

  Put url = http://with-dash.example.com:9696 - it fails with exception:

  
  nova[18937]: TRACE Traceback (most recent call last):
  nova[18937]: TRACE   File "/usr/bin/nova-api-os-compute", line 10, in <module>
  nova[18937]: TRACE     sys.exit(main())
  nova[18937]: TRACE   File "/usr/lib/python2.7/dist-packages/nova/cmd/api_os_compute.py", line 51, in main
  nova[18937]: TRACE     service.wait()
  nova[18937]: TRACE   File "/usr/lib/python2.7/dist-packages/nova/service.py", line 415, in wait
  nova[18937]: TRACE     _launcher.wait()
  nova[18937]: TRACE   File "/usr/lib/python2.7/dist-packages/oslo_service/service.py", line 568, in wait
  nova[18937]: TRACE     self.conf.log_opt_values(LOG, logging.DEBUG)
  nova[18937]: TRACE   File "/usr/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2626, in log_opt_values
  nova[18937]: TRACE     _sanitize(opt, getattr(group_attr, opt_name)))
  nova[18937]: TRACE   File "/usr/lib/python2.7/dist-packages/oslo_config/cfg.py", line 3057, in __getattr__
  nova[18937]: TRACE     return self._conf._get(name, self._group)
  nova[18937]: TRACE   File "/usr/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2668, in _get
  nova[18937]: TRACE     value = self._do_get(name, group, namespace)
  nova[18937]: TRACE   File "/usr/lib/python2.7/dist-packages/oslo_config/cfg.py", line 2711, in _do_get
  nova[18937]: TRACE     % (opt.name, str(ve)))
  nova[18937]: TRACE ConfigFileValueError: Value for option url is not valid: invalid URI: 'http://with-dash.example.com:9696'.

  Expected behavior: do not crash.

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