lcm/lcm/nf/vnf_create/create_vnf_identifier.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 traceback
  17 import uuid
  18
  19 from lcm.pub.database.models import NfInstModel
  20 from lcm.pub.exceptions import NFLCMException
  21 from lcm.pub.msapi.sdc_run_catalog import query_vnfpackage_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 CreateVnf:
  29     def __init__(self, data):
  30         self.data = data
  31         self.csar_id = ignore_case_get(self.data, "vnfdId")
  32         self.vnf_instance_mame = ignore_case_get(self.data, "vnfInstanceName")
  33         self.description = ignore_case_get(self.data, "vnfInstanceDescription")
  34
  35     def do_biz(self):
  36         self.nf_inst_id = str(uuid.uuid4())
  37         try:
  38             self.check_valid()
  39             self.save_db()
  40         except NFLCMException as e:
  41             logger.debug('Create VNF instance[%s]: %s', self.nf_inst_id, e.message)
  42             raise NFLCMException(e.message)
  43         except Exception as e:
  44             logger.error(e.message)
  45             logger.error(traceback.format_exc())
  46             NfInstModel.objects.create(nfinstid=self.nf_inst_id,
  47                                        nf_name=self.vnf_instance_mame,
  48                                        package_id='',
  49                                        version='',
  50                                        vendor='',
  51                                        netype='',
  52                                        vnfd_model='',
  53                                        status='NOT_INSTANTIATED',
  54                                        nf_desc=self.description,
  55                                        vnfdid=self.csar_id,
  56                                        vnfSoftwareVersion='',
  57                                        create_time=now_time())
  58         vnf_inst = NfInstModel.objects.get(nfinstid=self.nf_inst_id)
  59         resp = {
  60             'id': vnf_inst.nfinstid,
  61             'vnfInstanceName': vnf_inst.nf_name,
  62             'vnfInstanceDescription': 'Human-readable description of the VNF instance.',
  63             'vnfdId': vnf_inst.vnfdid,
  64             'vnfProvider': vnf_inst.vendor,
  65             'vnfProductName': vnf_inst.nf_name,
  66             'vnfSoftwareVersion': vnf_inst.vnfSoftwareVersion,
  67             'vnfdVersion': vnf_inst.version,
  68             'vnfPkgId': vnf_inst.package_id,
  69             'vnfConfigurableProperties': {}
  70         }
  71         return resp
  72
  73     def check_valid(self):
  74         is_exist = NfInstModel.objects.filter(nf_name=self.vnf_instance_mame).exists()
  75         if is_exist:
  76             raise NFLCMException('VNF is already exist.')
  77         vnf_package_info = query_vnfpackage_by_id(self.csar_id)
  78         self.vnfd_info = json.loads(ignore_case_get(ignore_case_get(vnf_package_info, "packageInfo"), "vnfdModel"))
  79
  80     def save_db(self):
  81         metadata = ignore_case_get(self.vnfd_info, "metadata")
  82         version = ignore_case_get(metadata, "vnfdVersion")
  83         vendor = ignore_case_get(metadata, "vendor")
  84         netype = ignore_case_get(metadata, "type")
  85         vnfsoftwareversion = ignore_case_get(metadata, "version")
  86         NfInstModel.objects.create(nfinstid=self.nf_inst_id,
  87                                    nf_name=self.vnf_instance_mame,
  88                                    package_id=self.csar_id,
  89                                    version=version,
  90                                    vendor=vendor,
  91                                    netype=netype,
  92                                    vnfd_model=self.vnfd_info,
  93                                    status='NOT_INSTANTIATED',
  94                                    nf_desc=self.description,
  95                                    vnfdid=self.csar_id,
  96                                    vnfSoftwareVersion=vnfsoftwareversion,
  97                                    create_time=now_time())
  98         logger.debug('Create VNF instance[%s] success', self.nf_inst_id)