text: # Copyright 2012 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.
  
  from oslo_serialization import jsonutils as json
  
  from tempest.api_schema.response.compute.v2_1 import security_groups as schema
  from tempest.common import service_client
  
  
  class SecurityGroupRulesClient(service_client.ServiceClient):
  
      def create_security_group_rule(self, **kwargs):
          """
          Creating a new security group rules.
          parent_group_id :ID of Security group
          ip_protocol : ip_proto (icmp, tcp, udp).
          from_port: Port at start of range.
          to_port  : Port at end of range.
          Following optional keyword arguments are accepted:
          cidr     : CIDR for address range.
          group_id : ID of the Source group
          """
          post_body = json.dumps({'security_group_rule': kwargs})
          url = 'os-security-group-rules'
          resp, body = self.post(url, post_body)
          body = json.loads(body)
          self.validate_response(schema.create_security_group_rule, resp, body)
          return service_client.ResponseBody(resp, body)
  
      def delete_security_group_rule(self, group_rule_id):
          """Deletes the provided Security Group rule."""
          resp, body = self.delete('os-security-group-rules/%s' %
                                   group_rule_id)
          self.validate_response(schema.delete_security_group_rule, resp, body)
          return service_client.ResponseBody(resp, body)
  