diff options
Diffstat (limited to 'catalog/packages/biz/ns_descriptor.py')
| -rw-r--r-- | catalog/packages/biz/ns_descriptor.py | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/catalog/packages/biz/ns_descriptor.py b/catalog/packages/biz/ns_descriptor.py new file mode 100644 index 0000000..f0e0572 --- /dev/null +++ b/catalog/packages/biz/ns_descriptor.py @@ -0,0 +1,239 @@ +# 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 + +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': PKG_STATUS.CREATED, + 'nsdOperationalState': PKG_STATUS.DISABLED, + 'nsdUsageState': 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 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) + 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=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 != 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=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: + logger.warn("NSD(%s,%s) already exists.", nsd_id, other_nspkg[0].nsPackageId) + 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=PKG_STATUS.ONBOARDED, + operationalState=PKG_STATUS.ENABLED, + usageState=PKG_STATUS.NOT_IN_USE, + nsPackageUri=local_file_name, + sdcCsarId=nsd_info_id, + localFilePath=local_file_name, + nsdModel=nsd_json + ) + 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=PKG_STATUS.CREATED) |