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.config.config import REPORT_TO_AAI
  20 from lcm.pub.database.models import NfInstModel
  21 from lcm.pub.exceptions import NFLCMException
  22 from lcm.pub.msapi.aai import create_vnf_aai
  23 from lcm.pub.msapi.catalog import query_rawdata_from_catalog
  24 from lcm.pub.msapi.gvnfmdriver import get_packageinfo_by_vnfdid
  25 from lcm.pub.utils import toscautil
  26 from lcm.pub.utils.timeutil import now_time
  27 from lcm.pub.utils.values import ignore_case_get
  28
  29 logger = logging.getLogger(__name__)
  30
  31
  32 class CreateVnf:
  33     def __init__(self, data):
  34         self.data = data
  35         self.vnfd_id = ignore_case_get(self.data, "vnfdId")
  36         self.vnf_instance_mame = ignore_case_get(self.data, "vnfInstanceName")
  37         self.description = ignore_case_get(self.data, "vnfInstanceDescription")
  38         self.vnfd = None
  39         self.package_info = ''
  40         self.package_id = ''
  41         self.csar_id = ''
  42
  43     def do_biz(self):
  44         self.nf_inst_id = str(uuid.uuid4())
  45         try:
  46             self.check_vnf_name_valid()
  47             self.get_vnfd_info()
  48             self.save_info_to_db()
  49             if REPORT_TO_AAI:
  50                 self.create_vnf_in_aai()
  51         except NFLCMException as e:
  52             logger.debug('Create VNF instance[%s] to AAI failed' % self.nf_inst_id)
  53         except:
  54             NfInstModel.objects.create(nfinstid=self.nf_inst_id,
  55                                        nf_name=self.vnf_instance_mame,
  56                                        package_id='',
  57                                        version='',
  58                                        vendor='',
  59                                        netype='',
  60                                        vnfd_model='',
  61                                        status='NOT_INSTANTIATED',
  62                                        nf_desc=self.description,
  63                                        vnfdid=self.vnfd_id,
  64                                        vnfSoftwareVersion='',
  65                                        create_time=now_time())
  66
  67         vnf_inst = NfInstModel.objects.get(nfinstid=self.nf_inst_id)
  68         logger.debug('id is [%s],name is [%s],vnfd_id is [%s],vnfd_model is [%s],'
  69                      'description is [%s],create_time is [%s]' %
  70                      (vnf_inst.nfinstid, vnf_inst.nf_name, vnf_inst.vnfdid,
  71                       vnf_inst.vnfd_model, vnf_inst.nf_desc, vnf_inst.create_time))
  72         return self.nf_inst_id
  73
  74     def check_vnf_name_valid(self):
  75         logger.debug("CreateVnfIdentifier--CreateVnf::> %s" % self.data)
  76         is_exist = NfInstModel.objects.filter(nf_name=self.vnf_instance_mame).exists()
  77         logger.debug("check_inst_name_exist::is_exist=%s" % is_exist)
  78         if is_exist:
  79             raise NFLCMException('VNF is already exist.')
  80
  81     def get_vnfd_info(self):
  82         self.nf_inst_id = str(uuid.uuid4())
  83         self.package_info = get_packageinfo_by_vnfdid(self.vnfd_id)
  84         for val in ignore_case_get(self.package_info, "csars"):
  85             if self.vnfd_id == ignore_case_get(val, "vnfdId"):
  86                 self.package_id = ignore_case_get(val, "csarId")
  87                 break
  88
  89         raw_data = query_rawdata_from_catalog(self.package_id)
  90         self.vnfd = toscautil.convert_vnfd_model(raw_data["rawData"])  # convert to inner json
  91         self.vnfd = json.JSONDecoder().decode(self.vnfd)
  92
  93     def save_info_to_db(self):
  94         metadata = ignore_case_get(self.vnfd, "metadata")
  95         version = ignore_case_get(metadata, "vnfd_version")
  96         vendor = ignore_case_get(metadata, "vendor")
  97         netype = ignore_case_get(metadata, "vnf_type")
  98         vnfsoftwareversion = ignore_case_get(metadata, "version")
  99         vnfd_model = self.vnfd
 100         NfInstModel.objects.create(nfinstid=self.nf_inst_id,
 101                                    nf_name=self.vnf_instance_mame,
 102                                    package_id=self.package_id,
 103                                    version=version,
 104                                    vendor=vendor,
 105                                    netype=netype,
 106                                    vnfd_model=vnfd_model,
 107                                    status='NOT_INSTANTIATED',
 108                                    nf_desc=self.description,
 109                                    vnfdid=self.vnfd_id,
 110                                    vnfSoftwareVersion=vnfsoftwareversion,
 111                                    create_time=now_time())
 112
 113     def create_vnf_in_aai(self):
 114         logger.debug("CreateVnf::create_vnf_in_aai::report vnf instance[%s] to aai." % self.nf_inst_id)
 115         data = {
 116             "vnf-id": self.nf_inst_id,
 117             "vnf-name": self.vnf_instance_mame,
 118             "vnf-type": "INFRA",
 119             "in-maint": True,
 120             "is-closed-loop-disabled": False
 121         }
 122         resp_data, resp_status = create_vnf_aai(self.nf_inst_id, data)
 123         if resp_data:
 124             logger.debug("Fail to create vnf instance[%s] to aai, resp_status: [%s]." % (self.nf_inst_id, resp_status))
 125         else:
 126             logger.debug("Success to create vnf instance[%s] to aai, resp_status: [%s]." % (self.nf_inst_id, resp_status))