The --mount options didn't work in stable/queens

[hongbin]

Use 'stable/queens' version python-zunclient with latest version of zun server, the --mount option doesn't work.

  $ cd /opt/stack/python-zunclient
  $ git checkout stable/queens
  $ zun run --mount size=1,destination=/data nginx
  ERROR: Invalid input for field '0'.Value: '{u'source': u'', u'destination': u'/data', u'size': u'1'}'. {u'source': u'', u'destination': u'/data', u'size': u'1'} is valid under each of {'required': ['size', 'destination']}, {'required': ['source', 'destination']}

  Failed validating 'oneOf' in schema['properties']['mounts']['items']:
    {'additionalProperties': False,
     'oneOf': [{'required': ['source', 'destination']},
               {'required': ['size', 'destination']}],
     'properties': {'destination': {'type': ['string']},
                    'size': {'type': ['string', 'integer']},
                    'source': {'type': ['string']}},
     'type': 'object'}

  On instance['mounts']:
    {u'destination': u'/data', u'size': u'1', u'source': u''} (HTTP 400)
  (Request-ID: req-a1cae2e4-4d97-4b34-bb4d-627d7ece376f)

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/540678

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/540678
Committed: https://git.openstack.org/cgit/openstack/zun/commit/?id=0124bcf77333d85c4c937b3dca565e4e6902f4a8
Submitter: Zuul
Branch: master

commit 0124bcf77333d85c4c937b3dca565e4e6902f4a8
Author: Hongbin Lu <email address hidden>
Date: Sun Feb 4 19:17:48 2018 +0000

    Temporarily relax validation of 'mounts'

    We currently restrict the 'mounts' parameter to be one of the
    following forms:
    1. {'source': xxx, 'destination': xxx}
    2. {'size': xxx, 'destination': xxx}

    However, the python-zunclient sends the following:
    i. {'source': xxx, 'destination': xxx, 'size': ''}
    ii. {'size': xxx, 'destination': xxx, 'source': ''}

    Either i and ii is considered to be invalid because it matches
    both #1 and #2. However, the valid request should matches either
    The long term fix is to make the python-zunclient stop sending
    empty string to server.

    Change-Id: Id8ffc5d783923c2783565b6d019b250feae2031d
    Partial-Bug: #1747282

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/python-zunclient 1.4.0 release.