old_contents: # Copyright 2015 OpenStack Foundation
  # All Rights Reserved.
  #
  #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  # This package got introduced during the Mitaka cycle in 2015 to
  # have a central place where the config options of Nova can be maintained.
  # For more background see the blueprint "centralize-config-options"
  
  from oslo_config import cfg
  
  from nova.conf import scheduler
  from nova.conf import serial_console
  
  CONF = cfg.CONF
  
  scheduler.register_opts(CONF)
  serial_console.register_opts(CONF)
  
new_contents: # Copyright 2015 OpenStack Foundation
  # All Rights Reserved.
  #
  #    Licensed under the Apache License, Version 2.0 (the "License"); you may
  #    not use this file except in compliance with the License. You may obtain
  #    a copy of the License at
  #
  #         http://www.apache.org/licenses/LICENSE-2.0
  #
  #    Unless required by applicable law or agreed to in writing, software
  #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  #    License for the specific language governing permissions and limitations
  #    under the License.
  
  # This package got introduced during the Mitaka cycle in 2015 to
  # have a central place where the config options of Nova can be maintained.
  # For more background see the blueprint "centralize-config-options"
  
  from oslo_config import cfg
  
  # from nova.conf import api
  # from nova.conf import api_database
  # from nova.conf import availability_zone
  # from nova.conf import aws
  # from nova.conf import barbican
  # from nova.conf import base
  # from nova.conf import cells
  # from nova.conf import cinder
  # from nova.conf import cloudpipe
  # from nova.conf import compute
  # from nova.conf import conductor
  # from nova.conf import configdrive
  # from nova.conf import console
  # from nova.conf import cors
  # from nova.conf import cors.subdomain
  # from nova.conf import crypto
  # from nova.conf import database
  # from nova.conf import disk
  # from nova.conf import ephemeral_storage_encryption
  # from nova.conf import floating_ip
  # from nova.conf import glance
  # from nova.conf import guestfs
  # from nova.conf import host
  # from nova.conf import hyperv
  # from nova.conf import image
  # from nova.conf import imagecache
  # from nova.conf import image_file_url
  # from nova.conf import ironic
  # from nova.conf import keymgr
  # from nova.conf import keystone_authtoken
  # from nova.conf import libvirt
  # from nova.conf import matchmaker_redis
  # from nova.conf import metadata
  # from nova.conf import metrics
  # from nova.conf import network
  # from nova.conf import neutron
  # from nova.conf import notification
  # from nova.conf import osapi_v21
  # from nova.conf import rdp
  from nova.conf import scheduler
  # from nova.conf import security
  from nova.conf import serial_console
  # from nova.conf import spice
  # from nova.conf import ssl
  # from nova.conf import trusted_computing
  # from nova.conf import upgrade_levels
  # from nova.conf import virt
  # from nova.conf import vmware
  # from nova.conf import vnc
  # from nova.conf import volume
  # from nova.conf import workarounds
  # from nova.conf import wsgi
  # from nova.conf import xenserver
  # from nova.conf import xvp
  # from nova.conf import zookeeper
  
  CONF = cfg.CONF
  
  # api.register_opts(CONF)
  # api_database.register_opts(CONF)
  # availability_zone.register_opts(CONF)
  # aws.register_opts(CONF)
  # barbican.register_opts(CONF)
  # base.register_opts(CONF)
  # cells.register_opts(CONF)
  # cinder.register_opts(CONF)
  # cloudpipe.register_opts(CONF)
  # compute.register_opts(CONF)
  # conductor.register_opts(CONF)
  # configdrive.register_opts(CONF)
  # console.register_opts(CONF)
  # cors.register_opts(CONF)
  # cors.subdomain.register_opts(CONF)
  # crypto.register_opts(CONF)
  # database.register_opts(CONF)
  # disk.register_opts(CONF)
  # ephemeral_storage_encryption.register_opts(CONF)
  # floating_ip.register_opts(CONF)
  # glance.register_opts(CONF)
  # guestfs.register_opts(CONF)
  # host.register_opts(CONF)
  # hyperv.register_opts(CONF)
  # image.register_opts(CONF)
  # imagecache.register_opts(CONF)
  # image_file_url.register_opts(CONF)
  # ironic.register_opts(CONF)
  # keymgr.register_opts(CONF)
  # keystone_authtoken.register_opts(CONF)
  # libvirt.register_opts(CONF)
  # matchmaker_redis.register_opts(CONF)
  # metadata.register_opts(CONF)
  # metrics.register_opts(CONF)
  # network.register_opts(CONF)
  # neutron.register_opts(CONF)
  # notification.register_opts(CONF)
  # osapi_v21.register_opts(CONF)
  # rdp.register_opts(CONF)
  scheduler.register_opts(CONF)
  # security.register_opts(CONF)
  serial_console.register_opts(CONF)
  # spice.register_opts(CONF)
  # ssl.register_opts(CONF)
  # trusted_computing.register_opts(CONF)
  # upgrade_levels.register_opts(CONF)
  # virt.register_opts(CONF)
  # vmware.register_opts(CONF)
  # vnc.register_opts(CONF)
  # volume.register_opts(CONF)
  # workarounds.register_opts(CONF)
  # wsgi.register_opts(CONF)
  # xenserver.register_opts(CONF)
  # xvp.register_opts(CONF)
  # zookeeper.register_opts(CONF)
  
subject: Add placeholders for config options