Explicitly specify namespace fields for output

Rather than excluding the few fields we don't want, explicitly indicate
the ones we do want.

Note that this is a problem in the tests for virtually all commands
that will be seen as the SDK continues to evolve and new fields are
added to existing resources.

Change-Id: Ia8d487e1e7804fa177fce46497c0202aed8acb08

openstackclient/image/v2/metadef_namespaces.py

@@ -42,6 +42,7 @@ def _format_namespace(namespace):
         'owner',
         'protected',
         'schema',
+        'updated_at',
         'visibility',
     ]
 
@@ -130,8 +131,9 @@ class CreateMetadefNameSpace(command.ShowOne):
             kwargs['visibility'] = parsed_args.visibility
 
         data = image_client.create_metadef_namespace(**kwargs)
+        info = _format_namespace(data)
 
-        return zip(*sorted(data.items()))
+        return zip(*sorted(info.items()))
 
 
 class DeleteMetadefNameSpace(command.Command):

openstackclient/tests/unit/image/v2/test_metadef_namespaces.py

@@ -21,30 +21,16 @@ class TestMetadefNamespaceCreate(image_fakes.TestImagev2):
 
     expected_columns = (
         'created_at',
-        'description',
         'display_name',
-        'id',
-        'is_protected',
-        'location',
-        'name',
         'namespace',
         'owner',
-        'resource_type_associations',
-        'updated_at',
         'visibility',
     )
     expected_data = (
         _metadef_namespace.created_at,
-        _metadef_namespace.description,
         _metadef_namespace.display_name,
-        _metadef_namespace.id,
-        _metadef_namespace.is_protected,
-        _metadef_namespace.location,
-        _metadef_namespace.name,
         _metadef_namespace.namespace,
         _metadef_namespace.owner,
-        _metadef_namespace.resource_type_associations,
-        _metadef_namespace.updated_at,
         _metadef_namespace.visibility,
     )