old_contents: # Copyright (c) 2017 Huawei Technologies Co., Ltd.
  # 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.
  
  from oslo_policy import policy
  
  from cinder.policies import base
  
  
  CAPABILITIES_POLICY = "volume_extension:capabilities",
  
  
  capabilities_policies = [
      policy.DocumentedRuleDefault(
          name=CAPABILITIES_POLICY,
          check_str=base.RULE_ADMIN_API,
          description="Show backend capabilities.",
          operations=[
              {
                  'method': 'GET',
                  'path': '/capabilities/{host_name}'
              }
          ])
  ]
  
  
  def list_rules():
      return capabilities_policies
  
new_contents: # Copyright (c) 2017 Huawei Technologies Co., Ltd.
  # 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.
  
  from oslo_policy import policy
  
  from cinder.policies import base
  
  
  CAPABILITIES_POLICY = "volume_extension:capabilities"
  
  
  capabilities_policies = [
      policy.DocumentedRuleDefault(
          name=CAPABILITIES_POLICY,
          check_str=base.RULE_ADMIN_API,
          description="Show backend capabilities.",
          operations=[
              {
                  'method': 'GET',
                  'path': '/capabilities/{host_name}'
              }
          ])
  ]
  
  
  def list_rules():
      return capabilities_policies
  
subject: Remove errant comma in capabilities policies