lcm/ns/ns_get.py

   1 # Copyright 2016 ZTE Corporation.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14 import json
  15 import logging
  16
  17 from lcm.ns.const import OWNER_TYPE
  18 from lcm.pub.database.models import NSInstModel, NfInstModel, VLInstModel, CPInstModel, VNFFGInstModel
  19
  20 logger = logging.getLogger(__name__)
  21
  22
  23 class GetNSInfoService(object):
  24     def __init__(self, nsfilter=None):
  25         self.ns_filter = nsfilter
  26
  27     def get_ns_info(self):
  28         if self.ns_filter:
  29             if ("ns_inst_id" in self.ns_filter):
  30                 ns_inst_id = self.ns_filter["ns_inst_id"]
  31                 ns_inst_infos = NSInstModel.objects.filter(id=ns_inst_id)
  32             if ("csarId" in self.ns_filter):
  33                 csar_id = self.ns_filter["csarId"]
  34                 ns_inst_infos = NSInstModel.objects.filter(nsd_id=csar_id)
  35         else:
  36             ns_inst_infos = NSInstModel.objects.all()
  37
  38         ns_info_list = []
  39         for info in ns_inst_infos:
  40             ret = self.get_single_ns_info(info.id)
  41             if not ret:
  42                 continue
  43             ns_info_list.append(ret)
  44         return ns_info_list
  45
  46     def get_single_ns_info(self, ns_inst_id):
  47         ns_insts = NSInstModel.objects.filter(id=ns_inst_id)
  48         if not ns_insts:
  49             return None
  50         ns_inst_info = ns_insts[0]
  51         ret = {
  52             'nsInstanceId': ns_inst_info.id,
  53             'nsName': ns_inst_info.name,
  54             'description': ns_inst_info.description,
  55             'nsdId': ns_inst_info.nsd_id,
  56             'vnfInfoId': self.get_vnf_infos(ns_inst_id),
  57             'vlInfo': self.get_vl_infos(ns_inst_id),
  58             'vnffgInfo': self.get_vnffg_infos(ns_inst_id, ns_inst_info.nsd_model),
  59             'nsState': ns_inst_info.status}
  60         return ret
  61
  62     @staticmethod
  63     def get_vnf_infos(ns_inst_id):
  64         ns_inst_infos = NfInstModel.objects.filter(ns_inst_id=ns_inst_id)
  65         vnf_info_list = []
  66         for info in ns_inst_infos:
  67             vnf_info = {
  68                 'vnfInstanceId': info.nfinstid,
  69                 'vnfInstanceName': info.nf_name,
  70                 'vnfProfileId': info.vnf_id}
  71             vnf_info_list.append(vnf_info)
  72         return vnf_info_list
  73
  74     def get_vl_infos(self, ns_inst_id):
  75         vl_inst_infos = VLInstModel.objects.filter(ownertype=OWNER_TYPE.NS, ownerid=ns_inst_id)
  76         vl_info_list = []
  77         for info in vl_inst_infos:
  78             vl_info = {
  79                 'vlInstanceId': info.vlinstanceid,
  80                 'vlInstanceName': info.vlinstancename,
  81                 'vldId': info.vldid,
  82                 'relatedCpInstanceId': self.get_cp_infos(info.vlinstanceid)}
  83             vl_info_list.append(vl_info)
  84         return vl_info_list
  85
  86     @staticmethod
  87     def get_cp_infos(vl_inst_id):
  88         cp_inst_infos = CPInstModel.objects.filter(relatedvl__icontains=vl_inst_id)
  89         cp_info_list = []
  90         for info in cp_inst_infos:
  91             cp_info = {
  92                 'cpInstanceId': info.cpinstanceid,
  93                 'cpInstanceName': info.cpname,
  94                 'cpdId': info.cpdid}
  95             cp_info_list.append(cp_info)
  96         return cp_info_list
  97
  98     def get_vnffg_infos(self, ns_inst_id, nsd_model):
  99         vnffg_inst_infos = VNFFGInstModel.objects.filter(nsinstid=ns_inst_id)
 100         vnffg_info_list = []
 101         for info in vnffg_inst_infos:
 102             vnffg_info = {
 103                 'vnffgInstanceId': info.vnffginstid,
 104                 'vnfId': self.convert_string_to_list(info.vnflist),
 105                 'pnfId': self.get_pnf_infos(nsd_model),
 106                 'virtualLinkId': self.convert_string_to_list(info.vllist),
 107                 'cpId': self.convert_string_to_list(info.cplist),
 108                 'nfp': self.convert_string_to_list(info.fplist)}
 109             vnffg_info_list.append(vnffg_info)
 110         return vnffg_info_list
 111
 112     @staticmethod
 113     def get_pnf_infos(nsd_model):
 114         context = json.loads(nsd_model)
 115         pnfs = context['pnfs']
 116         pnf_list = []
 117         for pnf in pnfs:
 118             pnf_list.append(pnf['pnf_id'])
 119         return pnf_list
 120
 121     @staticmethod
 122     def convert_string_to_list(detail_id_string):
 123         if not detail_id_string:
 124             return None
 125         return detail_id_string.split(',')