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