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