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# Copyright 2018 ZTE Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import json
import logging
import os
import uuid
from catalog.packages.biz.common import read, save
from catalog.packages.const import PKG_STATUS
from catalog.pub.config.config import CATALOG_ROOT_PATH
from catalog.pub.database.models import NSPackageModel, PnfPackageModel
from catalog.pub.exceptions import CatalogException, ResourceNotFoundException
from catalog.pub.utils import fileutil, toscaparser
from catalog.pub.utils.values import ignore_case_get
from catalog.packages.biz.notificationsutil import PnfNotifications
from catalog.packages import const
logger = logging.getLogger(__name__)
class PnfDescriptor(object):
def __init__(self):
pass
def create(self, data):
logger.info('Start to create a PNFD...')
user_defined_data = ignore_case_get(data, 'userDefinedData', {})
data = {
'id': str(uuid.uuid4()),
'pnfdOnboardingState': PKG_STATUS.CREATED,
'pnfdUsageState': PKG_STATUS.NOT_IN_USE,
'userDefinedData': user_defined_data,
'_links': None # TODO
}
PnfPackageModel.objects.create(
pnfPackageId=data['id'],
onboardingState=data['pnfdOnboardingState'],
usageState=data['pnfdUsageState'],
userDefinedData=json.dumps(user_defined_data)
)
logger.info('A PNFD(%s) has been created.' % data['id'])
return data
def query_multiple(self, request):
pnfdId = request.query_params.get('pnfdId')
if pnfdId:
pnf_pkgs = PnfPackageModel.objects.filter(pnfdId=pnfdId)
else:
pnf_pkgs = PnfPackageModel.objects.all()
response_data = []
for pnf_pkg in pnf_pkgs:
data = self.fill_response_data(pnf_pkg)
response_data.append(data)
return response_data
def query_single(self, pnfd_info_id):
pnf_pkgs = PnfPackageModel.objects.filter(pnfPackageId=pnfd_info_id)
if not pnf_pkgs.exists():
logger.error('PNFD(%s) does not exist.' % pnfd_info_id)
raise ResourceNotFoundException('PNFD(%s) does not exist.' % pnfd_info_id)
return self.fill_response_data(pnf_pkgs[0])
def upload(self, remote_file, pnfd_info_id):
logger.info('Start to upload PNFD(%s)...' % pnfd_info_id)
pnf_pkgs = PnfPackageModel.objects.filter(pnfPackageId=pnfd_info_id)
if not pnf_pkgs.exists():
details = 'PNFD(%s) is not CREATED.' % pnfd_info_id
logger.info(details)
send_notification(
type=const.NSD_NOTIFICATION_TYPE.PNFD_ONBOARDING_FAILURE,
pnfd_info_id=pnfd_info_id,
failure_details=details
)
raise CatalogException(details)
pnf_pkgs.update(onboardingState=PKG_STATUS.UPLOADING)
local_file_name = save(remote_file, pnfd_info_id)
logger.info('PNFD(%s) content has been uploaded.' % pnfd_info_id)
return local_file_name
def delete_single(self, pnfd_info_id):
logger.info('Start to delete PNFD(%s)...' % pnfd_info_id)
pnf_pkgs = PnfPackageModel.objects.filter(pnfPackageId=pnfd_info_id)
if not pnf_pkgs.exists():
logger.info('PNFD(%s) has been deleted.' % pnfd_info_id)
return
'''
if pnf_pkgs[0].usageState != PKG_STATUS.NOT_IN_USE:
logger.info('PNFD(%s) shall be NOT_IN_USE.' % pnfd_info_id)
raise CatalogException('PNFD(%s) shall be NOT_IN_USE.' % pnfd_info_id)
'''
del_pnfd_id = pnf_pkgs[0].pnfdId
ns_pkgs = NSPackageModel.objects.all()
for ns_pkg in ns_pkgs:
nsd_model = None
if ns_pkg.nsdModel:
nsd_model = json.JSONDecoder().decode(ns_pkg.nsdModel)
if not nsd_model:
continue
for pnf in nsd_model['pnfs']:
if del_pnfd_id == pnf["properties"]["id"]:
logger.warn("PNFD(%s) is referenced in NSD", del_pnfd_id)
raise CatalogException('PNFD(%s) is referenced.' % pnfd_info_id)
pnf_pkgs.delete()
pnf_pkg_path = os.path.join(CATALOG_ROOT_PATH, pnfd_info_id)
fileutil.delete_dirs(pnf_pkg_path)
send_notification(const.NSD_NOTIFICATION_TYPE.PNFD_DELETION, pnfd_info_id, del_pnfd_id)
logger.debug('PNFD(%s) has been deleted.' % pnfd_info_id)
def download(self, pnfd_info_id):
logger.info('Start to download PNFD(%s)...' % pnfd_info_id)
pnf_pkgs = PnfPackageModel.objects.filter(pnfPackageId=pnfd_info_id)
if not pnf_pkgs.exists():
logger.error('PNFD(%s) does not exist.' % pnfd_info_id)
raise ResourceNotFoundException('PNFD(%s) does not exist.' % pnfd_info_id)
if pnf_pkgs[0].onboardingState != PKG_STATUS.ONBOARDED:
logger.error('PNFD(%s) is not ONBOARDED.' % pnfd_info_id)
raise CatalogException('PNFD(%s) is not ONBOARDED.' % pnfd_info_id)
local_file_path = pnf_pkgs[0].localFilePath
start, end = 0, os.path.getsize(local_file_path)
logger.info('PNFD(%s) has been downloaded.' % pnfd_info_id)
return read(local_file_path, start, end)
def parse_pnfd_and_save(self, pnfd_info_id, local_file_name):
logger.info('Start to process PNFD(%s)...' % pnfd_info_id)
pnf_pkgs = PnfPackageModel.objects.filter(pnfPackageId=pnfd_info_id)
pnf_pkgs.update(onboardingState=PKG_STATUS.PROCESSING)
pnfd_json = toscaparser.parse_pnfd(local_file_name)
pnfd = json.JSONDecoder().decode(pnfd_json)
logger.debug("pnfd_json is %s" % pnfd_json)
pnfd_id = ""
pnfdVersion = ""
pnfdProvider = ""
pnfdName = ""
if pnfd.get("pnf", "") != "":
if pnfd["pnf"].get("properties", "") != "":
pnfd_id = pnfd["pnf"].get("properties", {}).get("descriptor_id", "")
pnfdVersion = pnfd["pnf"].get("properties", {}).get("version", "")
pnfdProvider = pnfd["pnf"].get("properties", {}).get("provider", "")
pnfdName = pnfd["pnf"].get("properties", {}).get("name", "")
if pnfd_id == "":
pnfd_id = pnfd["metadata"].get("descriptor_id", "")
if pnfd_id == "":
pnfd_id = pnfd["metadata"].get("id", "")
if pnfd_id == "":
pnfd_id = pnfd["metadata"].get("UUID", "")
if pnfd_id == "":
raise CatalogException('pnfd_id is Null.')
if pnfdVersion == "":
pnfdVersion = pnfd["metadata"].get("template_version", "")
if pnfdVersion == "":
pnfdVersion = pnfd["metadata"].get("version", "")
if pnfdProvider == "":
pnfdProvider = pnfd["metadata"].get("template_author", "")
if pnfdVersion == "":
pnfdVersion = pnfd["metadata"].get("provider", "")
if pnfdName == "":
pnfdName = pnfd["metadata"].get("template_name", "")
if pnfdVersion == "":
pnfdName = pnfd["metadata"].get("name", "")
other_pnf = PnfPackageModel.objects.filter(pnfdId=pnfd_id)
if other_pnf and other_pnf[0].pnfPackageId != pnfd_info_id:
logger.info('PNFD(%s) already exists.' % pnfd_id)
raise CatalogException("PNFD(%s) already exists." % pnfd_id)
pnf_pkgs.update(
pnfdId=pnfd_id,
pnfdName=pnfdName,
pnfdVersion=pnfdVersion,
pnfVendor=pnfdProvider,
pnfPackageUri=local_file_name,
onboardingState=PKG_STATUS.ONBOARDED,
usageState=PKG_STATUS.NOT_IN_USE,
localFilePath=local_file_name,
pnfdModel=pnfd_json
)
send_notification(const.NSD_NOTIFICATION_TYPE.PNFD_ONBOARDING, pnfd_info_id, pnfd_id)
logger.info('PNFD(%s) has been processed.' % pnfd_info_id)
def fill_response_data(self, pnf_pkg):
data = {
'id': pnf_pkg.pnfPackageId,
'pnfdId': pnf_pkg.pnfdId,
'pnfdName': pnf_pkg.pnfdName,
'pnfdVersion': pnf_pkg.pnfdVersion,
'pnfdProvider': pnf_pkg.pnfVendor,
'pnfdInvariantId': None, # TODO
'pnfdOnboardingState': pnf_pkg.onboardingState,
'onboardingFailureDetails': None, # TODO
'pnfdUsageState': pnf_pkg.usageState,
'userDefinedData': {},
'_links': None # TODO
}
if pnf_pkg.userDefinedData:
user_defined_data = json.JSONDecoder().decode(pnf_pkg.userDefinedData)
data['userDefinedData'] = user_defined_data
return data
def handle_upload_failed(self, pnf_pkg_id):
pnf_pkg = PnfPackageModel.objects.filter(pnfPackageId=pnf_pkg_id)
pnf_pkg.update(onboardingState=PKG_STATUS.CREATED)
def parse_pnfd(self, csar_id, inputs):
try:
pnf_pkg = PnfPackageModel.objects.filter(pnfPackageId=csar_id)
if not pnf_pkg:
raise CatalogException("PNF CSAR(%s) does not exist." % csar_id)
csar_path = pnf_pkg[0].localFilePath
ret = {"model": toscaparser.parse_pnfd(csar_path, inputs)}
except CatalogException as e:
return [1, e.args[0]]
except Exception as e:
logger.error(e.args[0])
return [1, e.args[0]]
return [0, ret]
def send_notification(type, pnfd_info_id, pnfd_id=None, failure_details=None):
notify = PnfNotifications(type, pnfd_info_id, pnfd_id, failure_details=failure_details)
notify.send_notification()
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