osm_lcm/data_utils/vim.py

   1 # -*- coding: utf-8 -*-
   2
   3 # Copyright 2020 Whitestack, LLC
   4 # *************************************************************
   5 #
   6 # This file is part of OSM Monitoring module
   7 # All Rights Reserved to Whitestack, LLC
   8 #
   9 # Licensed under the Apache License, Version 2.0 (the "License"); you may
  10 # not use this file except in compliance with the License. You may obtain
  11 # a copy of the License at
  12 #
  13 #         http://www.apache.org/licenses/LICENSE-2.0
  14 #
  15 # Unless required by applicable law or agreed to in writing, software
  16 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  17 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  18 # License for the specific language governing permissions and limitations
  19 # under the License.
  20 #
  21 # For those usages not covered by the Apache License, Version 2.0 please
  22 # contact: fbravo@whitestack.com
  23 ##
  24
  25 from osm_lcm.data_utils.database.vim_account import VimAccountDB
  26
  27 __author__ = (
  28     "Lluis Gifre <lluis.gifre@cttc.es>, Ricard Vilalta <ricard.vilalta@cttc.es>"
  29 )
  30
  31
  32 def get_vims_to_connect(db_nsr, db_vnfrs, target_vld):
  33     vims_to_connect = set()
  34     vld = next(
  35         (vld for vld in db_nsr["vld"] if vld["id"] == target_vld["id"]),
  36         None,
  37     )
  38     if vld is None:
  39         return vims_to_connect  # VLD not in NS, means it is an internal VLD within a single VIM
  40     # iterate over VNFs and retrieve name of VIMs they are planned to be deployed to
  41     for vld_member_vnf_index_ref in vld["vnfd-connection-point-ref"]:
  42         vld_member_vnf_index_ref = vld_member_vnf_index_ref["member-vnf-index-ref"]
  43         db_vim = VimAccountDB.get_vim_account_with_id(
  44             db_vnfrs[vld_member_vnf_index_ref]["vim-account-id"]
  45         )
  46         if db_vim is None:
  47             continue
  48         vims_to_connect.add(db_vim["name"])
  49     return vims_to_connect