text: #
  # Copyright 2013 Intel Corporation
  # 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 __future__ import print_function
  
  from oslo_serialization import jsonutils
  import yaml
  
  from tackerclient.i18n import _
  from tackerclient.tacker import v1_0 as tackerV10
  
  
  _VNFD = "vnfd"
  
  
  class ListVNFD(tackerV10.ListCommand):
      """List VNFD that belong to a given tenant."""
  
      resource = _VNFD
      list_columns = ['id', 'name', 'template_source', 'description']
  
      def get_parser(self, prog_name):
          parser = super(ListVNFD, self).get_parser(prog_name)
          parser.add_argument(
              '--template-source',
              help=_("List VNFD with specified template source. Available \
                     options are 'onboarded' (default), 'inline' or 'all'"),
              action='store',
              default='onboarded')
          return parser
  
      def args2search_opts(self, parsed_args):
          search_opts = super(ListVNFD, self).args2search_opts(parsed_args)
          template_source = parsed_args.template_source
          if parsed_args.template_source:
              search_opts.update({'template_source': template_source})
          return search_opts
  
  
  class ShowVNFD(tackerV10.ShowCommand):
      """Show information of a given VNFD."""
  
      resource = _VNFD
  
  
  class CreateVNFD(tackerV10.CreateCommand):
      """Create a VNFD."""
  
      resource = _VNFD
      remove_output_fields = ["attributes"]
  
      def add_known_arguments(self, parser):
          parser.add_argument('--vnfd-file', help=_('Specify VNFD file'))
          parser.add_argument(
              'name', metavar='NAME',
              help=_('Set a name for the VNFD'))
          parser.add_argument(
              '--description',
              help=_('Set a description for the VNFD'))
  
      def args2body(self, parsed_args):
          body = {self.resource: {}}
          vnfd = None
          if parsed_args.vnfd_file:
              with open(parsed_args.vnfd_file) as f:
                  vnfd = f.read()
                  vnfd = yaml.load(vnfd, Loader=yaml.SafeLoader)
          if vnfd:
              body[self.resource]['attributes'] = {'vnfd': vnfd}
  
          tackerV10.update_dict(parsed_args, body[self.resource],
                                ['tenant_id', 'name', 'description'])
          return body
  
  
  class DeleteVNFD(tackerV10.DeleteCommand):
      """Delete given VNFD(s)."""
      resource = _VNFD
  
  
  class ShowTemplateVNFD(tackerV10.ShowCommand):
      """Show template of a given VNFD."""
  
      resource = _VNFD
  
      def run(self, parsed_args):
          self.log.debug('run(%s)', parsed_args)
          template = None
          data = self.get_data(parsed_args)
          try:
              attributes_index = data[0].index('attributes')
              attributes_json = data[1][attributes_index]
              template = jsonutils.loads(attributes_json).get('vnfd', None)
          except (IndexError, TypeError, ValueError) as e:
              self.log.debug('Data handling error: %s', str(e))
          print(template or _('Unable to display VNFD template!'))
  