Safely pop project parent id

Since we don't support multitenancy yet, we should just pop the
parent id of a project. When keystoneclient supports mulittenancy
we should bring everything in at once (CRUD), and these changes
should be removed.

Change-Id: I82c7c825502124a24ccdbadf09ecb2748887ca5d

Author: Steve Martinelli

openstackclient/identity/v2_0/project.py

@@ -98,9 +98,9 @@ def take_action(self, parsed_args):
             else:
                 raise e
 
-        info = {}
-        info.update(project._info)
-        return zip(*sorted(six.iteritems(info)))
+        # TODO(stevemar): Remove the line below when we support multitenancy
+        project._info.pop('parent_id', None)
+        return zip(*sorted(six.iteritems(project._info)))
 
 
 class DeleteProject(command.Command):
@@ -279,4 +279,6 @@ def take_action(self, parsed_args):
             else:
                 raise e
 
+        # TODO(stevemar): Remove the line below when we support multitenancy
+        info.pop('parent_id', None)
         return zip(*sorted(six.iteritems(info)))

openstackclient/identity/v3/project.py

@@ -111,6 +111,8 @@ def take_action(self, parsed_args):
                 raise e
 
         project._info.pop('links')
+        # TODO(stevemar): Remove the line below when we support multitenancy
+        project._info.pop('parent_id', None)
         return zip(*sorted(six.iteritems(project._info)))
 
 
@@ -325,4 +327,6 @@ def take_action(self, parsed_args):
                                           parsed_args.project)
 
         project._info.pop('links')
+        # TODO(stevemar): Remove the line below when we support multitenancy
+        project._info.pop('parent_id', None)
         return zip(*sorted(six.iteritems(project._info)))