osm_policy_module/common/db_client.py

   1 # -*- coding: utf-8 -*-
   2
   3 # Copyright 2018 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: bdiaz@whitestack.com or glavado@whitestack.com
  23 ##
  24 from osm_common import dbmongo
  25
  26 from osm_policy_module.core.config import Config
  27
  28
  29 class DbClient:
  30     def __init__(self):
  31         cfg = Config.instance()
  32         self.common_db = dbmongo.DbMongo()
  33         self.common_db.db_connect({'host': cfg.OSMPOL_DATABASE_HOST,
  34                                    'port': int(cfg.OSMPOL_DATABASE_PORT),
  35                                    'name': 'osm'})
  36
  37     def get_vnfr(self, nsr_id: str, member_index: int):
  38         vnfr = self.common_db.get_one("vnfrs",
  39                                       {"nsr-id-ref": nsr_id, "member-vnf-index-ref": str(member_index)})
  40         return vnfr
  41
  42     def get_vnfrs(self, nsr_id: str):
  43         return [self.get_vnfr(nsr_id, member['member-vnf-index']) for member in
  44                 self.get_nsr(nsr_id)['nsd']['constituent-vnfd']]
  45
  46     def get_vnfd(self, vnfd_id: str):
  47         vnfr = self.common_db.get_one("vnfds",
  48                                       {"_id": vnfd_id})
  49         return vnfr
  50
  51     def get_nsr(self, nsr_id: str):
  52         nsr = self.common_db.get_one("nsrs",
  53                                      {"id": nsr_id})
  54         return nsr
  55
  56     def get_nslcmop(self, nslcmop_id):
  57         nslcmop = self.common_db.get_one("nslcmops",
  58                                          {"_id": nslcmop_id})
  59         return nslcmop