genericparser/packages/biz/service_descriptor.py

   1 # Copyright (c) 2019, CMCC Technologies. Co., Ltd.
   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 os
  18 import uuid
  19
  20
  21 from genericparser.packages.const import PKG_STATUS
  22 from genericparser.pub.config.config import GENERICPARSER_ROOT_PATH
  23 from genericparser.pub.database.models import ServicePackageModel, VnfPackageModel, PnfPackageModel
  24 from genericparser.pub.exceptions import GenericparserException, PackageNotFoundException
  25 from genericparser.pub.utils import toscaparsers, fileutil
  26 from genericparser.pub.utils.values import ignore_case_get
  27
  28 logger = logging.getLogger(__name__)
  29
  30
  31 class ServiceDescriptor(object):
  32     """
  33     Action for Service Descriptor
  34     """
  35
  36     def __init__(self):
  37         pass
  38
  39     def create(self, data, csar_id=None):
  40         logger.info('Start to create a ServiceD...')
  41         user_defined_data = ignore_case_get(data, 'userDefinedData', {})
  42         data = {
  43             'id': csar_id if csar_id else str(uuid.uuid4()),
  44             'servicedOnboardingState': PKG_STATUS.CREATED,
  45             'servicedOperationalState': PKG_STATUS.DISABLED,
  46             'servicedUsageState': PKG_STATUS.NOT_IN_USE,
  47             'userDefinedData': user_defined_data,
  48             '_links': None  # TODO
  49         }
  50         ServicePackageModel.objects.create(
  51             servicePackageId=data['id'],
  52             onboardingState=data['servicedOnboardingState'],
  53             operationalState=data['servicedOperationalState'],
  54             usageState=data['servicedUsageState'],
  55             userDefinedData=json.dumps(user_defined_data)
  56         )
  57         logger.info('A ServiceD(%s) has been created.' % data['id'])
  58         return data
  59
  60     def parse_serviced_and_save(self, serviced_info_id, local_file_name):
  61         logger.info('Start to process ServiceD(%s)...' % serviced_info_id)
  62         service_pkgs = ServicePackageModel.objects.filter(servicePackageId=serviced_info_id)
  63         service_pkgs.update(onboardingState=PKG_STATUS.PROCESSING)
  64
  65         serviced_json = toscaparsers.parse_sd(local_file_name)
  66         serviced = json.JSONDecoder().decode(serviced_json)
  67
  68         serviced_id = serviced.get("service", {}).get("properties", {}).get("descriptor_id", "")
  69         serviced_name = serviced.get("service", {}).get("properties", {}).get("name", "")
  70         serviced_version = serviced.get("service", {}).get("properties", {}).get("version", "")
  71         serviced_designer = serviced.get("service", {}).get("properties", {}).get("designer", "")
  72         invariant_id = serviced.get("service", {}).get("properties", {}).get("invariant_id", "")
  73         if serviced_id == "":
  74             raise GenericparserException("serviced_id(%s) does not exist in metadata." % serviced_id)
  75         other_nspkg = ServicePackageModel.objects.filter(servicedId=serviced_id)
  76         if other_nspkg and other_nspkg[0].servicePackageId != serviced_info_id:
  77             logger.warn("ServiceD(%s,%s) already exists.", serviced_id, other_nspkg[0].servicePackageId)
  78             raise GenericparserException("ServiceD(%s) already exists." % serviced_id)
  79
  80         for vnf in serviced["vnfs"]:
  81             vnfd_id = vnf["properties"].get("descriptor_id", "undefined")
  82             if vnfd_id == "undefined":
  83                 vnfd_id = vnf["properties"].get("id", "undefined")
  84             pkg = VnfPackageModel.objects.filter(vnfdId=vnfd_id)
  85             if not pkg:
  86                 pkg = VnfPackageModel.objects.filter(vnfPackageId=vnfd_id)
  87             if not pkg:
  88                 vnfd_name = vnf.get("vnf_id", "undefined")
  89                 logger.error("[%s] is not distributed.", vnfd_name)
  90                 raise GenericparserException("VNF package(%s) is not distributed." % vnfd_id)
  91
  92         for pnf in serviced["pnfs"]:
  93             pnfd_id = pnf["properties"].get("descriptor_id", "undefined")
  94             if pnfd_id == "undefined":
  95                 pnfd_id = pnf["properties"].get("id", "undefined")
  96             pkg = PnfPackageModel.objects.filter(pnfdId=pnfd_id)
  97             if not pkg:
  98                 pkg = PnfPackageModel.objects.filter(pnfPackageId=pnfd_id)
  99             if not pkg:
 100                 pnfd_name = pnf.get("pnf_id", "undefined")
 101                 logger.error("[%s] is not distributed.", pnfd_name)
 102                 raise GenericparserException("PNF package(%s) is not distributed." % pnfd_name)
 103
 104         service_pkgs.update(
 105             servicedId=serviced_id,
 106             servicedName=serviced_name,
 107             servicedDesigner=serviced_designer,
 108             servicedDescription=serviced.get("description", ""),
 109             servicedVersion=serviced_version,
 110             invariantId=invariant_id,
 111             onboardingState=PKG_STATUS.ONBOARDED,
 112             operationalState=PKG_STATUS.ENABLED,
 113             usageState=PKG_STATUS.NOT_IN_USE,
 114             servicePackageUri=local_file_name,
 115             sdcCsarId=serviced_info_id,
 116             localFilePath=local_file_name,
 117             servicedModel=serviced_json
 118         )
 119         logger.info('ServiceD(%s) has been processed.' % serviced_info_id)
 120
 121     def delete_single(self, serviced_info_id):
 122         logger.info('Start to delete ServiceD(%s)...' % serviced_info_id)
 123         service_pkgs = ServicePackageModel.objects.filter(servicePackageId=serviced_info_id)
 124         if not service_pkgs.exists():
 125             logger.warn('ServiceD(%s) not found.' % serviced_info_id)
 126             raise PackageNotFoundException("Service package[%s] not Found." % serviced_info_id)
 127         service_pkgs.delete()
 128         service_pkg_path = os.path.join(GENERICPARSER_ROOT_PATH, serviced_info_id)
 129         fileutil.delete_dirs(service_pkg_path)
 130         logger.info('ServiceD(%s) has been deleted.' % serviced_info_id)