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