old_contents: # Copyright 2016 Huawei Technologies India Pvt. Ltd.
  #
  # 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 sys
  
  from oslo_config import cfg
  from oslo_service import service
  
  from neutron.agent.common import config
  from neutron.agent.linux import external_process
  from neutron.common import config as common_config
  from neutron import service as neutron_service
  from neutron_dynamic_routing.services.bgp.agent import config as bgp_dragent_config
  from neutron_dynamic_routing.services.bgp.common import constants as bgp_consts
  
  
  def register_options():
      config.register_agent_state_opts_helper(cfg.CONF)
      config.register_root_helper(cfg.CONF)
      cfg.CONF.register_opts(bgp_dragent_config.BGP_DRIVER_OPTS, 'BGP')
      cfg.CONF.register_opts(bgp_dragent_config.BGP_PROTO_CONFIG_OPTS, 'BGP')
      cfg.CONF.register_opts(external_process.OPTS)
  
  
  def main():
      register_options()
      common_config.init(sys.argv[1:])
      config.setup_logging()
      server = neutron_service.Service.create(
          binary='neutron-bgp-dragent',
          topic=bgp_consts.BGP_DRAGENT,
          report_interval=cfg.CONF.AGENT.report_interval,
          manager='neutron.services.bgp.agent.bgp_dragent.'
                  'BgpDrAgentWithStateReport')
      service.launch(cfg.CONF, server).wait()
  
new_contents: # Copyright 2016 Huawei Technologies India Pvt. Ltd.
  #
  # 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 sys
  
  from oslo_config import cfg
  from oslo_service import service
  
  from neutron.agent.common import config
  from neutron.agent.linux import external_process
  from neutron.common import config as common_config
  from neutron import service as neutron_service
  from neutron_dynamic_routing.services.bgp.agent import config as bgp_dragent_config
  from neutron_dynamic_routing.services.bgp.common import constants as bgp_consts
  
  
  def register_options():
      config.register_agent_state_opts_helper(cfg.CONF)
      config.register_root_helper(cfg.CONF)
      cfg.CONF.register_opts(bgp_dragent_config.BGP_DRIVER_OPTS, 'BGP')
      cfg.CONF.register_opts(bgp_dragent_config.BGP_PROTO_CONFIG_OPTS, 'BGP')
      cfg.CONF.register_opts(external_process.OPTS)
  
  
  def main():
      register_options()
      common_config.init(sys.argv[1:])
      config.setup_logging()
      server = neutron_service.Service.create(
          binary='neutron-bgp-dragent',
          topic=bgp_consts.BGP_DRAGENT,
          report_interval=cfg.CONF.AGENT.report_interval,
          manager='neutron_dynamic_routing.services.bgp.agent.bgp_dragent.'
                  'BgpDrAgentWithStateReport')
      service.launch(cfg.CONF, server).wait()
  
subject: Update entry.py