text: # Copyright 2010 United States Government as represented by the
  # Administrator of the National Aeronautics and Space Administration.
  # All Rights Reserved.
  # Copyright 2012 Red Hat, Inc.
  #
  #    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 socket
  
  from oslo.config import cfg
  
  from egodocker import utils
  
  CONF = cfg.CONF
  
  
  def _get_my_ip():
      """Returns the actual ip of the local machine.
  
      This code figures out what source address would be used if some traffic
      were to be sent out to some well known address on the Internet. In this
      case, a Google DNS server is used, but the specific address does not
      matter much.  No traffic is actually sent.
      """
      try:
          csock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
          csock.connect(('8.8.8.8', 80))
          (addr, port) = csock.getsockname()
          csock.close()
          return addr
      except socket.error:
          return utils.get_my_ipv4_address()
  
  
  netconf_opts = [
      cfg.StrOpt('my_ip',
                 default=_get_my_ip(),
                 help='IP address of this host'),
      cfg.StrOpt('host',
                 default=socket.gethostname(),
                 help='Name of this node.  This can be an opaque identifier.  '
                      'It is not necessarily a hostname, FQDN, or IP address. '
                      'However, the node name must be valid within '
                      'an AMQP key, and if using ZeroMQ, a valid '
                      'hostname, FQDN, or IP address'),
      cfg.BoolOpt('use_ipv6',
                  default=False,
                  help='Use IPv6'),
  ]
  
  CONF.register_opts(netconf_opts)
  