old_contents: # Copyright 2011 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.
  
  """
  host interface (1.1 extension).
  """
  from novaclient import base
  
  
  class Host(base.Resource):
      def __repr__(self):
          return "<Host: %s>" % self.host
  
      def _add_details(self, info):
          dico = 'resource' in info and info['resource'] or info
          for (k, v) in dico.items():
              setattr(self, k, v)
  
      def update(self, values):
          return self.manager.update(self.host, values)
  
      def startup(self):
          return self.manager.host_action(self.host, 'startup')
  
      def shutdown(self):
          return self.manager.host_action(self.host, 'shutdown')
  
      def reboot(self):
          return self.manager.host_action(self.host, 'reboot')
  
  
  class HostManager(base.ManagerWithFind):
      resource_class = Host
  
      def get(self, host):
          """
          Describes cpu/memory/hdd info for host.
  
          :param host: destination host name.
          """
          return self._list("/os-hosts/%s" % host, "host")
  
      def update(self, host, values):
          """Update status or maintenance mode for the host."""
          return self._update("/os-hosts/%s" % host, values)
  
      def host_action(self, host, action):
          """Perform an action on a host."""
          url = '/os-hosts/{0}/{1}'.format(host, action)
          return self.api.client.get(url)
  
      def list(self, zone=None):
          url = '/os-hosts'
          if zone:
              url = '/os-hosts?zone=%s' % zone
          return self._list(url, "hosts")
  
      list_all = list
  
new_contents: # Copyright 2011 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.
  
  """
  host interface (1.1 extension).
  """
  from novaclient import base
  
  
  class Host(base.Resource):
      def __repr__(self):
          return "<Host: %s>" % self.host_name
  
      def _add_details(self, info):
          dico = 'resource' in info and info['resource'] or info
          for (k, v) in dico.items():
              setattr(self, k, v)
  
      def update(self, values):
          return self.manager.update(self.host, values)
  
      def startup(self):
          return self.manager.host_action(self.host, 'startup')
  
      def shutdown(self):
          return self.manager.host_action(self.host, 'shutdown')
  
      def reboot(self):
          return self.manager.host_action(self.host, 'reboot')
  
  
  class HostManager(base.ManagerWithFind):
      resource_class = Host
  
      def get(self, host):
          """
          Describes cpu/memory/hdd info for host.
  
          :param host: destination host name.
          """
          return self._list("/os-hosts/%s" % host, "host")
  
      def update(self, host, values):
          """Update status or maintenance mode for the host."""
          return self._update("/os-hosts/%s" % host, values)
  
      def host_action(self, host, action):
          """Perform an action on a host."""
          url = '/os-hosts/{0}/{1}'.format(host, action)
          return self.api.client.get(url)
  
      def list(self, zone=None):
          url = '/os-hosts'
          if zone:
              url = '/os-hosts?zone=%s' % zone
          return self._list(url, "hosts")
  
      list_all = list
  
subject: change 'Host' object's 'host' attribute to 'host_name'