common/python/rift/mano/dts/subscriber/ns_subscriber.py

   1 """
   2 #
   3 #   Copyright 2016 RIFT.IO Inc
   4 #
   5 #   Licensed under the Apache License, Version 2.0 (the "License");
   6 #   you may not use this file except in compliance with the License.
   7 #   You may obtain a copy of the License at
   8 #
   9 #       http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 #   Unless required by applicable law or agreed to in writing, software
  12 #   distributed under the License is distributed on an "AS IS" BASIS,
  13 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 #   See the License for the specific language governing permissions and
  15 #   limitations under the License.
  16 #
  17
  18 @file ns_subscriber.py
  19 @author Varun Prasad (varun.prasad@riftio.com)
  20 @date 09-Jul-2016
  21
  22 """
  23
  24 import gi
  25 gi.require_version('RwDts', '1.0')
  26 from gi.repository import RwDts as rwdts
  27
  28 from . import core
  29
  30
  31 class NsrCatalogSubscriber(core.AbstractOpdataSubscriber):
  32     """Nsr Listener """
  33
  34     def key_name(self):
  35         return "ns_instance_config_ref"
  36
  37     def get_reg_flags(self):
  38         # Hack to around DTS issue with NSR and RwNsr
  39         return rwdts.Flag.SUBSCRIBER|rwdts.Flag.DELTA_READY
  40
  41     def get_xpath(self):
  42         return self._project.add_project("D,/nsr:ns-instance-opdata/nsr:nsr")
  43
  44
  45 class NsdCatalogSubscriber(core.AbstractConfigSubscriber):
  46     """ The network service descriptor DTS handler """
  47
  48     def key_name(self):
  49         return "id"
  50
  51     def get_xpath(self):
  52         return self._project.add_project("C,/project-nsd:nsd-catalog/project-nsd:nsd")
  53
  54
  55 class NsInstanceConfigSubscriber(core.AbstractConfigSubscriber):
  56     """ The network service descriptor DTS handler """
  57
  58     def key_name(self):
  59         return "id"
  60
  61     def get_xpath(self):
  62         return self._project.add_project("C,/nsr:ns-instance-config/nsr:nsr")