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# Copyright (c) 2019, CMCC Technologies. Co., Ltd.
#
# 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.const import PKG_STATUS
from catalog.pub.config.config import CATALOG_ROOT_PATH
from catalog.pub.database.models import ServicePackageModel, VnfPackageModel, PnfPackageModel
from catalog.pub.exceptions import CatalogException, PackageNotFoundException
from catalog.pub.utils import toscaparser, fileutil
from catalog.pub.utils.values import ignore_case_get
logger = logging.getLogger(__name__)
class ServiceDescriptor(object):
"""
Action for Service Descriptor
"""
def __init__(self):
pass
def create(self, data, csar_id=None):
"""
Create a Service package
:param data:
:param csar_id:
:return:
"""
logger.info('Start to create a ServiceD...')
user_defined_data = ignore_case_get(data, 'userDefinedData', {})
data = {
'id': csar_id if csar_id else str(uuid.uuid4()),
'servicedOnboardingState': PKG_STATUS.CREATED,
'servicedOperationalState': PKG_STATUS.DISABLED,
'servicedUsageState': PKG_STATUS.NOT_IN_USE,
'userDefinedData': user_defined_data,
'_links': None # TODO
}
ServicePackageModel.objects.create(
servicePackageId=data['id'],
onboardingState=data['servicedOnboardingState'],
operationalState=data['servicedOperationalState'],
usageState=data['servicedUsageState'],
userDefinedData=json.dumps(user_defined_data)
)
logger.info('A ServiceD(%s) has been created.' % data['id'])
return data
def parse_serviced_and_save(self, serviced_info_id, local_file_name):
"""
Parse service package and save information to DB
:param serviced_info_id:
:param local_file_name:
:return:
"""
logger.info('Start to process ServiceD(%s)...' % serviced_info_id)
service_pkgs = ServicePackageModel.objects.filter(servicePackageId=serviced_info_id)
service_pkgs.update(onboardingState=PKG_STATUS.PROCESSING)
serviced_json = toscaparser.parse_sd(local_file_name)
serviced = json.JSONDecoder().decode(serviced_json)
serviced_id = serviced.get("service", {}).get("properties", {}).get("descriptor_id", "")
serviced_name = serviced.get("service", {}).get("properties", {}).get("name", "")
serviced_version = serviced.get("service", {}).get("properties", {}).get("version", "")
serviced_designer = serviced.get("service", {}).get("properties", {}).get("designer", "")
invariant_id = serviced.get("service", {}).get("properties", {}).get("invariant_id", "")
if serviced_id == "":
raise CatalogException("serviced_id(%s) does not exist in metadata." % serviced_id)
other_nspkg = ServicePackageModel.objects.filter(servicedId=serviced_id)
if other_nspkg and other_nspkg[0].servicePackageId != serviced_info_id:
logger.warn("ServiceD(%s,%s) already exists.", serviced_id, other_nspkg[0].servicePackageId)
raise CatalogException("ServiceD(%s) already exists." % serviced_id)
for vnf in serviced["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 serviced["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)
service_pkgs.update(
servicedId=serviced_id,
servicedName=serviced_name,
servicedDesigner=serviced_designer,
servicedDescription=serviced.get("description", ""),
servicedVersion=serviced_version,
invariantId=invariant_id,
onboardingState=PKG_STATUS.ONBOARDED,
operationalState=PKG_STATUS.ENABLED,
usageState=PKG_STATUS.NOT_IN_USE,
servicePackageUri=local_file_name,
sdcCsarId=serviced_info_id,
localFilePath=local_file_name,
servicedModel=serviced_json
)
logger.info('ServiceD(%s) has been processed.' % serviced_info_id)
def delete_single(self, serviced_info_id):
"""
Delete a service package by given id
:param serviced_info_id:
:return:
"""
logger.info('Start to delete ServiceD(%s)...' % serviced_info_id)
service_pkgs = ServicePackageModel.objects.filter(servicePackageId=serviced_info_id)
if not service_pkgs.exists():
logger.warn('ServiceD(%s) not found.' % serviced_info_id)
raise PackageNotFoundException("Service package[%s] not Found." % serviced_info_id)
service_pkgs.delete()
# Delete package dir
service_pkg_path = os.path.join(CATALOG_ROOT_PATH, serviced_info_id)
fileutil.delete_dirs(service_pkg_path)
logger.info('ServiceD(%s) has been deleted.' % serviced_info_id)
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