lcm/ns/ns_create.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 logging
  15 import uuid
  16
  17 from lcm.pub.config.config import REPORT_TO_AAI
  18 from lcm.pub.database.models import NSDModel, NSInstModel
  19 from lcm.pub.exceptions import NSLCMException
  20 from lcm.pub.msapi.aai import create_customer_aai
  21 from lcm.pub.utils.timeutil import now_time
  22
  23 logger = logging.getLogger(__name__)
  24
  25
  26 class CreateNSService(object):
  27     def __init__(self, nsd_id, ns_name, description):
  28         self.nsd_id = nsd_id
  29         self.ns_name = ns_name
  30         self.description = description
  31         self.ns_inst_id = ''
  32         self.ns_package_id = ''
  33
  34     def do_biz(self):
  35         self.check_nsd_valid()
  36         self.check_ns_inst_name_exist()
  37         self.create_ns_inst()
  38         if REPORT_TO_AAI:
  39             self.create_ns_in_aai()
  40         logger.debug("CreateNSService::do_biz::ns_inst_id=%s" % self.ns_inst_id)
  41         return self.ns_inst_id
  42
  43     def check_nsd_valid(self):
  44         logger.debug("CreateNSService::check_nsd_valid::nsd_id=%s" % self.nsd_id)
  45         ns_package_info = NSDModel.objects.filter(nsd_id=self.nsd_id)
  46         if not ns_package_info:
  47             raise NSLCMException("nsd(%s) not exists." % self.nsd_id)
  48         self.ns_package_id = ns_package_info[0].id
  49         logger.debug("CreateNSService::check_nsd_valid::ns_package_id=%s" % self.ns_package_id)
  50
  51     def check_ns_inst_name_exist(self):
  52         is_exist = NSInstModel.objects.filter(name=self.ns_name).exists()
  53         logger.debug("CreateNSService::check_ns_inst_name_exist::is_exist=%s" % is_exist)
  54         if is_exist:
  55             raise NSLCMException("ns(%s) already existed." % self.ns_name)
  56
  57     def create_ns_inst(self):
  58         self.ns_inst_id = str(uuid.uuid4())
  59         logger.debug("CreateNSService::create_ns_inst::ns_inst_id=%s" % self.ns_inst_id)
  60         NSInstModel(id=self.ns_inst_id, name=self.ns_name, nspackage_id=self.ns_package_id,
  61                     nsd_id=self.nsd_id, description=self.description, status='empty',
  62                     lastuptime=now_time()).save()
  63
  64     def create_ns_in_aai(self):
  65         logger.debug("CreateNSService::create_ns_in_aai::report ns instance[%s] to aai." % self.ns_inst_id)
  66         global_customer_id = "global-customer-id-" + self.ns_inst_id
  67         data = {
  68             "global-customer-id": "global-customer-id-" + self.ns_inst_id,
  69             "subscriber-name": "subscriber-name-" + self.ns_inst_id,
  70             "subscriber-type": "subscriber-type-" + self.ns_inst_id,
  71             "service-subscriptions": {
  72                 "service-subscription": [
  73                     {
  74                         "service-type": "service-type-" + self.ns_inst_id,
  75                         "service-instances": {
  76                             "service-instance": [
  77                                 {
  78                                     "service-instance-id": self.ns_inst_id,
  79                                     "service-instance-name": self.ns_name,
  80                                     "service-type": "service-type-" + self.ns_inst_id,
  81                                     "service-role": "service-role-" + self.ns_inst_id
  82                                 }
  83                             ]
  84                         }
  85                     }
  86                 ]
  87             }
  88         }
  89         resp_data, resp_status = create_customer_aai(global_customer_id, data)
  90         if resp_data:
  91             logger.debug("Fail to create ns[%s] to aai: [%s].", self.ns_inst_id, resp_status)
  92         else:
  93             logger.debug("Success to create ns[%s] to aai: [%s].", self.ns_inst_id, resp_status)