text: # 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.
  
  import itertools
  
  from zun.common.policies import availability_zone
  from zun.common.policies import base
  from zun.common.policies import capsule
  from zun.common.policies import container
  from zun.common.policies import container_action
  from zun.common.policies import host
  from zun.common.policies import image
  from zun.common.policies import network
  from zun.common.policies import quota
  from zun.common.policies import quota_class
  from zun.common.policies import registry
  from zun.common.policies import zun_service
  
  
  def list_rules():
      return itertools.chain(
          base.list_rules(),
          container.list_rules(),
          image.list_rules(),
          zun_service.list_rules(),
          host.list_rules(),
          capsule.list_rules(),
          network.list_rules(),
          container_action.list_rules(),
          availability_zone.list_rules(),
          quota.list_rules(),
          quota_class.list_rules(),
          registry.list_rules(),
      )
  