lcm/lcm/nf/vnfs/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
  15 import json
  16 import logging
  17 import uuid
  18
  19 from lcm.pub.database.models import NfInstModel
  20 from lcm.pub.exceptions import NFLCMException
  21 from lcm.pub.msapi.catalog import query_rawdata_from_catalog
  22 from lcm.pub.msapi.gvnfmdriver import get_packageinfo_by_vnfdid
  23 from lcm.pub.utils import toscautil
  24 from lcm.pub.utils.timeutil import now_time
  25 from lcm.pub.utils.values import ignore_case_get
  26
  27 logger = logging.getLogger(__name__)
  28
  29
  30 class CreateVnf:
  31     def __init__(self, data):
  32         self.data = data
  33         self.vnfd_id = ignore_case_get(self.data, "vnfdId")
  34         self.vnf_instance_mame = ignore_case_get(self.data, "vnfInstanceName")
  35         self.description = ignore_case_get(self.data, "vnfInstanceDescription")
  36         self.vnfd = None
  37         self.package_info = ''
  38         self.package_id = ''
  39         self.csar_id = ''
  40
  41     def do_biz(self):
  42         self.nf_inst_id = str(uuid.uuid4())
  43         try:
  44             self.check_vnf_name_valid()
  45             self.get_vnfd_info()
  46             self.save_info_to_db()
  47         except NFLCMException as e:
  48             logger.debug('Create VNF instance[%s] to AAI failed: %s', self.nf_inst_id, e.message)
  49         except:
  50             NfInstModel.objects.create(nfinstid=self.nf_inst_id,
  51                                        nf_name=self.vnf_instance_mame,
  52                                        package_id='',
  53                                        version='',
  54                                        vendor='',
  55                                        netype='',
  56                                        vnfd_model='',
  57                                        status='NOT_INSTANTIATED',
  58                                        nf_desc=self.description,
  59                                        vnfdid=self.vnfd_id,
  60                                        vnfSoftwareVersion='',
  61                                        create_time=now_time())
  62
  63         vnf_inst = NfInstModel.objects.get(nfinstid=self.nf_inst_id)
  64         logger.debug('id is [%s],name is [%s],vnfd_id is [%s],vnfd_model is [%s],'
  65                      'description is [%s],create_time is [%s]' %
  66                      (vnf_inst.nfinstid, vnf_inst.nf_name, vnf_inst.vnfdid,
  67                       vnf_inst.vnfd_model, vnf_inst.nf_desc, vnf_inst.create_time))
  68         return self.nf_inst_id
  69
  70     def check_vnf_name_valid(self):
  71         logger.debug("CreateVnfIdentifier--CreateVnf::> %s" % self.data)
  72         is_exist = NfInstModel.objects.filter(nf_name=self.vnf_instance_mame).exists()
  73         logger.debug("check_inst_name_exist::is_exist=%s" % is_exist)
  74         if is_exist:
  75             raise NFLCMException('VNF is already exist.')
  76
  77     def get_vnfd_info(self):
  78         self.nf_inst_id = str(uuid.uuid4())
  79         self.package_info = get_packageinfo_by_vnfdid(self.vnfd_id)
  80         for val in ignore_case_get(self.package_info, "csars"):
  81             if self.vnfd_id == ignore_case_get(val, "vnfdId"):
  82                 self.package_id = ignore_case_get(val, "csarId")
  83                 break
  84
  85         raw_data = query_rawdata_from_catalog(self.package_id)
  86         self.vnfd = toscautil.convert_vnfd_model(raw_data["rawData"])  # convert to inner json
  87         self.vnfd = json.JSONDecoder().decode(self.vnfd)
  88
  89     def save_info_to_db(self):
  90         metadata = ignore_case_get(self.vnfd, "metadata")
  91         version = ignore_case_get(metadata, "vnfd_version")
  92         vendor = ignore_case_get(metadata, "vendor")
  93         netype = ignore_case_get(metadata, "vnf_type")
  94         vnfsoftwareversion = ignore_case_get(metadata, "version")
  95         vnfd_model = self.vnfd
  96         NfInstModel.objects.create(nfinstid=self.nf_inst_id,
  97                                    nf_name=self.vnf_instance_mame,
  98                                    package_id=self.package_id,
  99                                    version=version,
 100                                    vendor=vendor,
 101                                    netype=netype,
 102                                    vnfd_model=vnfd_model,
 103                                    status='NOT_INSTANTIATED',
 104                                    nf_desc=self.description,
 105                                    vnfdid=self.vnfd_id,
 106                                    vnfSoftwareVersion=vnfsoftwareversion,
 107                                    create_time=now_time())