osm_lcm/data_utils/vnfr.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.lcm_utils import get_iterable
  26
  27
  28 def get_osm_params(db_vnfr, vdu_id=None, vdu_count_index=0):
  29     osm_params = {
  30         x.replace("-", "_"): db_vnfr[x]
  31         for x in ("ip-address", "vim-account-id", "vnfd-id", "vnfd-ref")
  32         if db_vnfr.get(x) is not None
  33     }
  34     osm_params["ns_id"] = db_vnfr["nsr-id-ref"]
  35     osm_params["vnf_id"] = db_vnfr["_id"]
  36     osm_params["member_vnf_index"] = db_vnfr["member-vnf-index-ref"]
  37     if db_vnfr.get("vdur"):
  38         osm_params["vdu"] = {}
  39         for vdur in db_vnfr["vdur"]:
  40             vdu = {
  41                 "count_index": vdur["count-index"],
  42                 "vdu_id": vdur["vdu-id-ref"],
  43                 "interfaces": {},
  44             }
  45             if vdur.get("ip-address"):
  46                 vdu["ip_address"] = vdur["ip-address"]
  47             for iface in vdur["interfaces"]:
  48                 vdu["interfaces"][iface["name"]] = {
  49                     x.replace("-", "_"): iface[x]
  50                     for x in ("mac-address", "ip-address", "name")
  51                     if iface.get(x) is not None
  52                 }
  53             vdu_id_index = "{}-{}".format(vdur["vdu-id-ref"], vdur["count-index"])
  54             osm_params["vdu"][vdu_id_index] = vdu
  55         if vdu_id:
  56             osm_params["vdu_id"] = vdu_id
  57             osm_params["count_index"] = vdu_count_index
  58     return osm_params
  59
  60
  61 def get_vdur_index(db_vnfr, vdu_delta):
  62     vdur_list = get_iterable(db_vnfr, "vdur")
  63     if vdur_list:
  64         return len([x for x in vdur_list if x.get("vdu-id-ref") == vdu_delta["id"]])
  65     else:
  66         return 0
  67
  68
  69 def get_kdur(db_vnfr, kdu_name):
  70     kdur_list = get_iterable(db_vnfr, "kdur")
  71     if kdur_list:
  72         return next(x for x in kdur_list if x.get("kdu-name") == kdu_name)
  73     else:
  74         return None
  75
  76
  77 def get_volumes_from_instantiation_params(
  78     vdu_instantiation_params: dict, vdud: dict
  79 ) -> list:
  80     """Get the VDU volumes from instantiation parameters
  81
  82     Args:
  83         vdu_instantiation_params:   VDU instantiation parameters
  84         vdud:   VDU description as a dictionary extracted from VNFD
  85     Returns:
  86         vdu_volume_list:(list)
  87
  88     """
  89     vdu_volume_list = []
  90     if vdu_instantiation_params.get("volume"):
  91         for volume in vdu_instantiation_params["volume"]:
  92             if volume.get("vim-volume-id") and volume.get("name") in vdud.get(
  93                 "virtual-storage-desc"
  94             ):
  95                 vdu_volume = {
  96                     "name": volume["name"],
  97                     "vim-volume-id": volume["vim-volume-id"],
  98                 }
  99                 vdu_volume_list.append(vdu_volume)
 100
 101     return vdu_volume_list