1 # -*- coding: utf-8 -*-
3 # Copyright 2020 Whitestack, LLC
4 # *************************************************************
6 # This file is part of OSM Monitoring module
7 # All Rights Reserved to Whitestack, LLC
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
13 # http://www.apache.org/licenses/LICENSE-2.0
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
21 # For those usages not covered by the Apache License, Version 2.0 please
22 # contact: fbravo@whitestack.com
25 from osm_lcm
.data_utils
.database
.vim_account
import VimAccountDB
28 "Lluis Gifre <lluis.gifre@cttc.es>, Ricard Vilalta <ricard.vilalta@cttc.es>"
32 def get_vims_to_connect(db_nsr
, db_vnfrs
, target_vld
, logger
):
33 vims_to_connect
= set()
35 (vld
for vld
in db_nsr
["vld"] if vld
["id"] == target_vld
["id"]),
39 return vims_to_connect
# VLD not in NS, means it is an internal VLD within a single VIM
42 if "vnfd-connection-point-ref" in vld
:
43 # during planning of VNF, use "vnfd-connection-point-ref" since "vim_info" is not available in vld
44 # get VNFD connection points (if available)
45 # iterate over VNFs and retrieve VIM IDs they are planned to be deployed to
46 vnfd_connection_point_ref
= vld
["vnfd-connection-point-ref"]
47 for vld_member_vnf_index_ref
in vnfd_connection_point_ref
:
48 vld_member_vnf_index_ref
= vld_member_vnf_index_ref
["member-vnf-index-ref"]
49 vim_ids
.add(db_vnfrs
[vld_member_vnf_index_ref
]["vim-account-id"])
50 elif "vim_info" in vld
:
51 # after instantiation of VNF, use "vim_info" since "vnfd-connection-point-ref" is not available in vld
52 # get VIM info (if available)
53 # iterate over VIM info and retrieve VIM IDs they are deployed to
54 vim_info
= vld
["vim_info"]
55 for vim_data
in vim_info
.values():
56 vim_ids
.add(vim_data
["vim_account_id"])
58 # TODO: analyze if this situation is possible
59 # unable to retrieve planned/executed mapping of VNFs to VIMs
60 # by now, drop a log message for future debugging
64 "Unable to identify VIMs involved in VLD to check if WIM is required.",
65 "Dumping internal variables for further debugging:",
69 logger
.warning("db_nsr={:s}".format(str(db_nsr
)))
70 logger
.warning("db_vnfrs={:s}".format(str(db_vnfrs
)))
71 logger
.warning("target_vld={:s}".format(str(target_vld
)))
72 return vims_to_connect
74 for vim_id
in vim_ids
:
75 db_vim
= VimAccountDB
.get_vim_account_with_id(vim_id
)
78 vims_to_connect
.add(db_vim
["name"])
79 return vims_to_connect