osm_mon/core/common_db.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, dbmemory
  25
  26 from osm_mon.core.config import Config
  27
  28
  29 class CommonDbClient:
  30     def __init__(self, config: Config):
  31         if config.get('database', 'driver') == "mongo":
  32             self.common_db = dbmongo.DbMongo()
  33         elif config.get('database', 'driver') == "memory":
  34             self.common_db = dbmemory.DbMemory()
  35         else:
  36             raise Exception("Unknown database driver {}".format(config.get('section', 'driver')))
  37         self.common_db.db_connect(config.get("database"))
  38
  39     def get_vnfr(self, nsr_id: str, member_index: int):
  40         vnfr = self.common_db.get_one("vnfrs",
  41                                       {"nsr-id-ref": nsr_id, "member-vnf-index-ref": str(member_index)})
  42         return vnfr
  43
  44     def get_vnfrs(self, nsr_id: str = None, vim_account_id: str = None):
  45         if nsr_id and vim_account_id:
  46             raise NotImplementedError("Only one filter is currently supported")
  47         if nsr_id:
  48             vnfrs = [self.get_vnfr(nsr_id, member['member-vnf-index']) for member in
  49                      self.get_nsr(nsr_id)['nsd']['constituent-vnfd']]
  50         elif vim_account_id:
  51             vnfrs = self.common_db.get_list("vnfrs",
  52                                             {"vim-account-id": vim_account_id})
  53         else:
  54             vnfrs = self.common_db.get_list('vnfrs')
  55         return vnfrs
  56
  57     def get_vnfd(self, vnfd_id: str):
  58         vnfr = self.common_db.get_one("vnfds",
  59                                       {"_id": vnfd_id})
  60         return vnfr
  61
  62     def get_nsr(self, nsr_id: str):
  63         nsr = self.common_db.get_one("nsrs",
  64                                      {"id": nsr_id})
  65         return nsr
  66
  67     def get_nslcmop(self, nslcmop_id):
  68         nslcmop = self.common_db.get_one("nslcmops",
  69                                          {"_id": nslcmop_id})
  70         return nslcmop
  71
  72     def get_vdur(self, nsr_id, member_index, vdur_name):
  73         vnfr = self.get_vnfr(nsr_id, member_index)
  74         for vdur in vnfr['vdur']:
  75             if vdur['name'] == vdur_name:
  76                 return vdur
  77         raise ValueError('vdur not found for nsr-id %s, member_index %s and vdur_name %s', nsr_id, member_index,
  78                          vdur_name)
  79
  80     def decrypt_vim_password(self, vim_password: str, schema_version: str, vim_id: str):
  81         return self.common_db.decrypt(vim_password, schema_version, vim_id)
  82
  83     def get_vim_account_id(self, nsr_id: str, vnf_member_index: int) -> str:
  84         vnfr = self.get_vnfr(nsr_id, vnf_member_index)
  85         return vnfr['vim-account-id']
  86
  87     def get_vim_accounts(self):
  88         return self.common_db.get_list('vim_accounts')