lcm/lcm/nf/biz/create_vnf.py

   1 # Copyright 2017 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 import uuid
  17
  18 from lcm.pub.database.models import NfInstModel
  19 from lcm.pub.exceptions import NFLCMException
  20 from lcm.pub.msapi.sdc_run_catalog import query_vnfpackage_by_id
  21 from lcm.pub.utils.timeutil import now_time
  22 from lcm.pub.utils.values import ignore_case_get
  23
  24 logger = logging.getLogger(__name__)
  25
  26
  27 class CreateVnf:
  28     def __init__(self, data):
  29         self.data = data
  30         self.csar_id = ignore_case_get(self.data, "vnfdId")
  31         self.vnf_instance_mame = ignore_case_get(self.data, "vnfInstanceName")
  32         self.description = ignore_case_get(self.data, "vnfInstanceDescription")
  33
  34     def do_biz(self):
  35         self.nf_inst_id = str(uuid.uuid4())
  36         self.check_valid()
  37         self.save_db()
  38         vnf_inst = NfInstModel.objects.get(nfinstid=self.nf_inst_id)
  39         return vnf_inst
  40
  41     def check_valid(self):
  42         is_exist = NfInstModel.objects.filter(nf_name=self.vnf_instance_mame).exists()
  43         if is_exist:
  44             raise NFLCMException('VNF is already exist.')
  45         vnf_package_info = query_vnfpackage_by_id(self.csar_id)
  46         self.vnfd_info = json.loads(ignore_case_get(ignore_case_get(vnf_package_info, "packageInfo"), "vnfdModel"))
  47
  48     def save_db(self):
  49         metadata = ignore_case_get(self.vnfd_info, "metadata")
  50         version = ignore_case_get(metadata, "csarVersion", "undefined")
  51         provider = ignore_case_get(metadata, "csarProvider", "undefined")
  52         netype = ignore_case_get(metadata, "type", "undefined")
  53         vnfsoftwareversion = ignore_case_get(metadata, "version", "undefined")
  54         NfInstModel.objects.create(nfinstid=self.nf_inst_id,
  55                                    nf_name=self.vnf_instance_mame,
  56                                    package_id=self.csar_id,
  57                                    version=version,
  58                                    vendor=provider,
  59                                    netype=netype,
  60                                    vnfd_model=json.dumps(self.vnfd_info),
  61                                    status='NOT_INSTANTIATED',
  62                                    nf_desc=self.description,
  63                                    vnfdid=self.csar_id,
  64                                    vnfSoftwareVersion=vnfsoftwareversion,
  65                                    create_time=now_time())
  66         logger.debug('Create VNF instance[%s] success', self.nf_inst_id)