old_contents: # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you 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 pprint import pprint
  from netaddr import *
  
  
  def merge(dbag, data):
  
      # A duplicate ip address wil clobber the old value
      # This seems desirable ....
      if "add" in data and data['add'] is False and \
              "ipv4_adress" in data:
          if data['ipv4_adress'] in dbag:
              del(dbag[data['ipv4_adress']])
          return dbag
      else:
          dbag[data['ipv4_adress']] = data
      return dbag
  
new_contents: # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you 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 pprint import pprint
  from netaddr import *
  
  
  def merge(dbag, data):
  
      search(dbag, data['host_name'])
      # A duplicate ip address wil clobber the old value
      # This seems desirable ....
      if "add" in data and data['add'] is False and \
              "ipv4_adress" in data:
          if data['ipv4_adress'] in dbag:
              del(dbag[data['ipv4_adress']])
          return dbag
      else:
          dbag[data['ipv4_adress']] = data
      return dbag
  
  
  def search(dbag, name):
      """
      Dirty hack because CS does not deprovision hosts
      """
      hosts = []
      for o in dbag:
          if o == 'id':
              continue
          print "%s %s" % (dbag[o]['host_name'], name)
          if dbag[o]['host_name'] == name:
              hosts.append(o)
      for o in hosts:
          del(dbag[o])
  
subject: Check both ip and hosts when building dhcp bag