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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 parse_file_range, 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, VnfPackageModel
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 NsdNotifications
from catalog.packages import const
logger = logging.getLogger(__name__)
METADATA = "metadata"
class NsDescriptor(object):
def __init__(self):
pass
def create(self, data, id=None):
logger.info('Start to create a NSD...')
user_defined_data = ignore_case_get(data, 'userDefinedData', {})
data = {
'id': id if id else str(uuid.uuid4()),
'nsdOnboardingState': const.PKG_STATUS.CREATED,
'nsdOperationalState': const.PKG_STATUS.DISABLED,
'nsdUsageState': const.PKG_STATUS.NOT_IN_USE,
'userDefinedData': user_defined_data,
'_links': None # TODO
}
NSPackageModel.objects.create(
nsPackageId=data['id'],
onboardingState=data['nsdOnboardingState'],
operationalState=data['nsdOperationalState'],
usageState=data['nsdUsageState'],
userDefinedData=json.dumps(user_defined_data)
)
logger.info('A NSD(%s) has been created.' % data['id'])
return data
def update(self, data, nsd_info_id):
usageState = PKG_STATUS.IN_USE if data["usageState"] else PKG_STATUS.NOT_IN_USE
NSPackageModel.objects.filter(nsPackageId=nsd_info_id).update(usageState=usageState)
def query_multiple(self, nsdId=None):
if nsdId:
ns_pkgs = NSPackageModel.objects.filter(nsdId=nsdId)
else:
ns_pkgs = NSPackageModel.objects.all()
response_data = []
for ns_pkg in ns_pkgs:
data = self.fill_resp_data(ns_pkg)
response_data.append(data)
return response_data
def query_single(self, nsd_info_id):
ns_pkgs = NSPackageModel.objects.filter(nsPackageId=nsd_info_id)
if not ns_pkgs.exists():
logger.error('NSD(%s) does not exist.' % nsd_info_id)
raise ResourceNotFoundException('NSD(%s) does not exist.' % nsd_info_id)
return self.fill_resp_data(ns_pkgs[0])
def delete_single(self, nsd_info_id):
logger.info('Start to delete NSD(%s)...' % nsd_info_id)
ns_pkgs = NSPackageModel.objects.filter(nsPackageId=nsd_info_id)
if not ns_pkgs.exists():
logger.info('NSD(%s) has been deleted.' % nsd_info_id)
return
'''
if ns_pkgs[0].operationalState != PKG_STATUS.DISABLED:
logger.error('NSD(%s) shall be DISABLED.' % nsd_info_id)
raise CatalogException('NSD(%s) shall be DISABLED.' % nsd_info_id)
if ns_pkgs[0].usageState != PKG_STATUS.NOT_IN_USE:
logger.error('NSD(%s) shall be NOT_IN_USE.' % nsd_info_id)
raise CatalogException('NSD(%s) shall be NOT_IN_USE.' % nsd_info_id)
'''
ns_pkgs.delete()
ns_pkg_path = os.path.join(CATALOG_ROOT_PATH, nsd_info_id)
fileutil.delete_dirs(ns_pkg_path)
send_notification(const.NSD_NOTIFICATION_TYPE.NSD_DELETION, nsd_info_id)
logger.info('NSD(%s) has been deleted.' % nsd_info_id)
def upload(self, nsd_info_id, remote_file):
logger.info('Start to upload NSD(%s)...' % nsd_info_id)
ns_pkgs = NSPackageModel.objects.filter(nsPackageId=nsd_info_id)
if not ns_pkgs.exists():
logger.error('NSD(%s) does not exist.' % nsd_info_id)
raise CatalogException('NSD(%s) does not exist.' % nsd_info_id)
ns_pkgs.update(onboardingState=const.PKG_STATUS.UPLOADING)
local_file_name = save(remote_file, nsd_info_id)
logger.info('NSD(%s) content has been uploaded.' % nsd_info_id)
return local_file_name
def download(self, nsd_info_id, file_range):
logger.info('Start to download NSD(%s)...' % nsd_info_id)
ns_pkgs = NSPackageModel.objects.filter(nsPackageId=nsd_info_id)
if not ns_pkgs.exists():
logger.error('NSD(%s) does not exist.' % nsd_info_id)
raise ResourceNotFoundException('NSD(%s) does not exist.' % nsd_info_id)
if ns_pkgs[0].onboardingState != const.PKG_STATUS.ONBOARDED:
logger.error('NSD(%s) is not ONBOARDED.' % nsd_info_id)
raise CatalogException('NSD(%s) is not ONBOARDED.' % nsd_info_id)
local_file_path = ns_pkgs[0].localFilePath
start, end = parse_file_range(local_file_path, file_range)
logger.info('NSD(%s) has been downloaded.' % nsd_info_id)
return read(local_file_path, start, end)
def parse_nsd_and_save(self, nsd_info_id, local_file_name):
logger.info('Start to process NSD(%s)...' % nsd_info_id)
ns_pkgs = NSPackageModel.objects.filter(nsPackageId=nsd_info_id)
ns_pkgs.update(onboardingState=const.PKG_STATUS.PROCESSING)
nsd_json = toscaparser.parse_nsd(local_file_name)
logger.debug("%s", nsd_json)
nsd = json.JSONDecoder().decode(nsd_json)
nsd_id = nsd.get("ns", {}).get("properties", {}).get("descriptor_id", "")
nsd_name = nsd.get("ns", {}).get("properties", {}).get("name", "")
nsd_version = nsd.get("ns", {}).get("properties", {}).get("version", "")
nsd_designer = nsd.get("ns", {}).get("properties", {}).get("designer", "")
invariant_id = nsd.get("ns", {}).get("properties", {}).get("invariant_id", "")
if nsd_id == "":
raise CatalogException("nsd_id(%s) does not exist in metadata." % nsd_id)
other_nspkg = NSPackageModel.objects.filter(nsdId=nsd_id)
if other_nspkg and other_nspkg[0].nsPackageId != nsd_info_id:
failure_details = "NSD(%s,%s) already exists.", nsd_id, other_nspkg[0].nsPackageId
logger.warn(failure_details)
send_notification(const.NSD_NOTIFICATION_TYPE.NSD_ONBOARDING_FAILURE, nsd_info_id, nsd_id,
failure_details=failure_details)
raise CatalogException("NSD(%s) already exists." % nsd_id)
for vnf in nsd["vnfs"]:
vnfd_id = vnf["properties"].get("descriptor_id", "undefined")
if vnfd_id == "undefined":
vnfd_id = vnf["properties"].get("id", "undefined")
pkg = VnfPackageModel.objects.filter(vnfdId=vnfd_id)
if not pkg:
pkg = VnfPackageModel.objects.filter(vnfPackageId=vnfd_id)
if not pkg:
vnfd_name = vnf.get("vnf_id", "undefined")
logger.error("[%s] is not distributed.", vnfd_name)
raise CatalogException("VNF package(%s) is not distributed." % vnfd_id)
for pnf in nsd["pnfs"]:
pnfd_id = pnf["properties"].get("descriptor_id", "undefined")
if pnfd_id == "undefined":
pnfd_id = pnf["properties"].get("id", "undefined")
pkg = PnfPackageModel.objects.filter(pnfdId=pnfd_id)
if not pkg:
pkg = PnfPackageModel.objects.filter(pnfPackageId=pnfd_id)
if not pkg:
pnfd_name = pnf.get("pnf_id", "undefined")
logger.error("[%s] is not distributed.", pnfd_name)
raise CatalogException("PNF package(%s) is not distributed." % pnfd_name)
ns_pkgs.update(
nsdId=nsd_id,
nsdName=nsd_name,
nsdDesginer=nsd_designer,
nsdDescription=nsd.get("description", ""),
nsdVersion=nsd_version,
invariantId=invariant_id,
onboardingState=const.PKG_STATUS.ONBOARDED,
operationalState=const.PKG_STATUS.ENABLED,
usageState=const.PKG_STATUS.NOT_IN_USE,
nsPackageUri=local_file_name,
sdcCsarId=nsd_info_id,
localFilePath=local_file_name,
nsdModel=nsd_json
)
send_notification(const.NSD_NOTIFICATION_TYPE.NSD_ONBOARDING, nsd_info_id, nsd_id)
logger.info('NSD(%s) has been processed.' % nsd_info_id)
def fill_resp_data(self, ns_pkg):
data = {
'id': ns_pkg.nsPackageId,
'nsdId': ns_pkg.nsdId,
'nsdName': ns_pkg.nsdName,
'nsdVersion': ns_pkg.nsdVersion,
'nsdDesigner': ns_pkg.nsdDesginer,
'nsdInvariantId': ns_pkg.invariantId,
'vnfPkgIds': [],
'pnfdInfoIds': [], # TODO
'nestedNsdInfoIds': [], # TODO
'nsdOnboardingState': ns_pkg.onboardingState,
'onboardingFailureDetails': None, # TODO
'nsdOperationalState': ns_pkg.operationalState,
'nsdUsageState': ns_pkg.usageState,
'userDefinedData': {},
'_links': None # TODO
}
if ns_pkg.nsdModel:
nsd_model = json.JSONDecoder().decode(ns_pkg.nsdModel)
vnf_pkg_ids = []
for vnf in nsd_model['vnfs']:
vnfd_id = vnf["properties"].get("descriptor_id", "undefined")
if vnfd_id == "undefined":
vnfd_id = vnf["properties"].get("id", "undefined")
pkgs = VnfPackageModel.objects.filter(vnfdId=vnfd_id)
if not pkgs:
pkgs = VnfPackageModel.objects.filter(vnfPackageId=vnfd_id)
for pkg in pkgs:
vnf_pkg_ids.append(pkg.vnfPackageId)
data['vnfPkgIds'] = vnf_pkg_ids
pnf_info_ids = []
for pnf in nsd_model['pnfs']:
pnfd_id = pnf["properties"].get("descriptor_id", "undefined")
if pnfd_id == "undefined":
pnfd_id = pnf["properties"].get("id", "undefined")
pkgs = PnfPackageModel.objects.filter(pnfdId=pnfd_id)
if not pkgs:
pkgs = PnfPackageModel.objects.filter(pnfPackageId=pnfd_id)
for pkg in pkgs:
pnf_info_ids.append(pkg.pnfPackageId)
data['pnfInfoIds'] = pnf_info_ids # TODO: need reconfirming
if ns_pkg.userDefinedData:
user_defined_data = json.JSONDecoder().decode(ns_pkg.userDefinedData)
data['userDefinedData'] = user_defined_data
return data
def handle_upload_failed(self, nsd_info_id):
ns_pkg = NSPackageModel.objects.filter(nsPackageId=nsd_info_id)
ns_pkg.update(onboardingState=const.PKG_STATUS.CREATED)
def send_notification(type, nsd_info_id, nsd_id=None, failure_details=None, operational_state=None):
notify = NsdNotifications(type, nsd_info_id, nsd_id,
failure_details=failure_details,
operational_state=operational_state)
notify.send_notification()
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