623 lines
24 KiB
Python
623 lines
24 KiB
Python
# Copyright 2019 NTT DATA.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from oslo_db import exception as db_exc
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from oslo_log import log as logging
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from oslo_serialization import jsonutils as json
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from oslo_utils import excutils
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from oslo_utils import timeutils
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from oslo_utils import uuidutils
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from oslo_versionedobjects import base as ovoo_base
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from sqlalchemy.orm import joinedload
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from sqlalchemy.sql import func
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from sqlalchemy_filters import apply_filters
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from tacker._i18n import _
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from tacker.common import exceptions
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from tacker.common import utils
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from tacker.db import api as db_api
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from tacker.db.db_sqlalchemy import api
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from tacker.db.db_sqlalchemy import models
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from tacker import objects
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from tacker.objects import base
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from tacker.objects import fields
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from tacker.objects import vnf_software_image
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_NO_DATA_SENTINEL = object()
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VNF_PACKAGE_OPTIONAL_ATTRS = ['vnf_deployment_flavours', 'vnfd']
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LOG = logging.getLogger(__name__)
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def _add_user_defined_data(context, package_uuid, user_data,
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max_retries=10):
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for attempt in range(max_retries):
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try:
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with db_api.context_manager.writer.using(context):
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new_entries = []
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for key, value in user_data.items():
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new_entries.append({"key": key,
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"value": value,
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"package_uuid": package_uuid})
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if new_entries:
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context.session.execute(
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models.VnfPackageUserData.__table__.insert(None),
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new_entries)
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return user_data
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except db_exc.DBDuplicateEntry:
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# a concurrent transaction has been committed,
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# try again unless this was the last attempt
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with excutils.save_and_reraise_exception() as context:
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if attempt < max_retries - 1:
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context.reraise = False
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else:
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raise exceptions.UserDataUpdateCreateFailed(
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id=package_uuid, retries=max_retries)
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def _vnf_package_user_data_get_query(context, package_uuid, model):
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return api.model_query(context, model, read_deleted="no",
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project_only=True).\
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filter_by(package_uuid=package_uuid)
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@db_api.context_manager.writer
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def _update_user_defined_data(context, package_uuid, user_data):
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model = models.VnfPackageUserData
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user_data = user_data.copy()
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session = context.session
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with session.begin(subtransactions=True):
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# Get existing user_data
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db_user_data = _vnf_package_user_data_get_query(context, package_uuid,
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model).all()
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save = []
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skip = []
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# We only want to send changed user_data.
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for row in db_user_data:
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if row.key in user_data:
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value = user_data.pop(row.key)
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if row.value != value:
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# ORM objects will not be saved until we do the bulk save
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row.value = value
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save.append(row)
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continue
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skip.append(row)
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# We also want to save non-existent user_data
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save.extend(model(key=key, value=value, package_uuid=package_uuid)
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for key, value in user_data.items())
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# Do a bulk save
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if save:
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session.bulk_save_objects(save, update_changed_only=True)
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# Construct result dictionary with current user_data
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save.extend(skip)
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result = {row['key']: row['value'] for row in save}
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return result
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@db_api.context_manager.reader
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def _vnf_package_get_by_id(context, package_uuid, columns_to_join=None):
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query = api.model_query(context, models.VnfPackage,
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read_deleted="no", project_only=True). \
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filter_by(id=package_uuid).options(joinedload('_metadata'))
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if columns_to_join:
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for column in columns_to_join:
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query = query.options(joinedload(column))
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result = query.first()
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if not result:
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raise exceptions.VnfPackageNotFound(id=package_uuid)
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return result
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@db_api.context_manager.writer
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def _vnf_package_create(context, values, user_data=None):
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vnf_package = models.VnfPackage()
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vnf_package.update(values)
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vnf_package.save(context.session)
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vnf_package._metadata = []
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if user_data:
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_add_user_defined_data(context, vnf_package.id, user_data)
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context.session.expire(vnf_package, ['_metadata'])
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vnf_package._metadata
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return vnf_package
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@db_api.context_manager.reader
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def _vnf_package_list(context, columns_to_join=None):
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query = api.model_query(context, models.VnfPackage, read_deleted="no",
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project_only=True).options(joinedload('_metadata'))
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if columns_to_join:
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for column in columns_to_join:
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query = query.options(joinedload(column))
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return query.all()
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@db_api.context_manager.reader
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def _vnf_package_list_by_filters(context, read_deleted=None, filters=None):
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query = api.model_query(context, models.VnfPackage,
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read_deleted=read_deleted,
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project_only=True).options(joinedload('_metadata'))
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if filters:
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# Need to join VnfDeploymentFlavour, VnfSoftwareImage and
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# VnfSoftwareImageMetadata db table explicitly
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# only when filters contains one of the column matching
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# from VnfSoftwareImage or VnfSoftwareImageMetadata db table.
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filter_data = json.dumps(filters)
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if 'VnfSoftwareImageMetadata' in filter_data:
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query = query.join(models.VnfDeploymentFlavour).join(
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models.VnfSoftwareImage).join(
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models.VnfSoftwareImageMetadata)
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elif 'VnfSoftwareImage' in filter_data:
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query = query.join(models.VnfDeploymentFlavour).join(
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models.VnfSoftwareImage)
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query = apply_filters(query, filters)
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return query.all()
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@db_api.context_manager.writer
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def _update_vnf_package_except_user_data(context, vnf_package):
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vnf_package.save(session=context.session)
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def _vnf_package_update(context, package_uuid, values, columns_to_join=None):
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user_data = values.pop('user_data', None)
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if user_data:
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_update_user_defined_data(context, package_uuid, user_data)
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vnf_package = _vnf_package_get_by_id(
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context, package_uuid, columns_to_join=columns_to_join)
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if values:
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vnf_package.update(values)
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_update_vnf_package_except_user_data(context, vnf_package)
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return vnf_package
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@db_api.context_manager.writer
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def _destroy_vnf_package(context, package_uuid):
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now = timeutils.utcnow()
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updated_values = {'deleted': True,
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'deleted_at': now
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}
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flavour_query = api.model_query(
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context, models.VnfDeploymentFlavour,
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(models.VnfDeploymentFlavour.id, )).filter_by(
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package_uuid=package_uuid)
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software_images_query = api.model_query(
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context, models.VnfSoftwareImage,
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(models.VnfSoftwareImage.id, )).filter(
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models.VnfSoftwareImage.flavour_uuid.in_(flavour_query.subquery()))
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api.model_query(
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context, models.VnfSoftwareImageMetadata).filter(
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models.VnfSoftwareImageMetadata.image_uuid.in_(
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software_images_query.subquery())).update(
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updated_values, synchronize_session=False)
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software_images_query.update(updated_values, synchronize_session=False)
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api.model_query(context, models.VnfPackageUserData). \
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filter_by(package_uuid=package_uuid). \
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update(updated_values, synchronize_session=False)
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api.model_query(context, models.VnfDeploymentFlavour). \
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filter_by(package_uuid=package_uuid). \
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update(updated_values, synchronize_session=False)
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api.model_query(context, models.VnfPackageVnfd). \
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filter_by(package_uuid=package_uuid). \
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soft_delete(synchronize_session=False)
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api.model_query(context, models.VnfPackage).\
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filter_by(id=package_uuid). \
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update(updated_values, synchronize_session=False)
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def _make_vnf_packages_list(context, vnf_package_list, db_vnf_package_list,
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expected_attrs=None):
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vnf_package_cls = VnfPackage
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vnf_package_list.objects = []
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for db_package in db_vnf_package_list:
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vnf_pkg_obj = vnf_package_cls._from_db_object(
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context, vnf_package_cls(context), db_package,
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expected_attrs=expected_attrs)
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vnf_package_list.objects.append(vnf_pkg_obj)
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vnf_package_list.obj_reset_changes()
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return vnf_package_list
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@base.TackerObjectRegistry.register
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class VnfPackage(base.TackerObject, base.TackerPersistentObject,
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base.TackerObjectDictCompat):
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# Key corresponds to the name of the parameter as defined
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# in type VnfPkgInfo of SOL003 document and value will contain tuple
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# of following values:-
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# 1. Parameter that is mapped to version object
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# 2. Data type of the field as per the data types supported by
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# attribute-based filtering
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# 3. DB model that's mapped to the version object.
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# 4. Valid values for a given data type if any. This value is set
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# especially for 'enum' data type.
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ALL_ATTRIBUTES = {
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'id': ('id', "string", 'VnfPackage'),
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'onboardingState': ('onboarding_state', "enum", 'VnfPackage',
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fields.PackageOnboardingStateTypeField().valid_values),
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'operationalState': ('operational_state', 'enum', 'VnfPackage',
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fields.PackageOperationalStateTypeField().valid_values),
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'usageState': ('usage_state', 'enum', 'VnfPackage',
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fields.PackageUsageStateTypeField().valid_values),
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'vnfProvider': ('vnfd.vnf_provider', 'string', 'VnfPackageVnfd'),
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'vnfProductName': ('vnfd.vnf_product_name', 'string',
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'VnfPackageVnfd'),
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'vnfdId': ('vnfd.vnfd_id', 'string', 'VnfPackageVnfd'),
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'vnfSoftwareVersion': ('vnfd.vnf_software_version', 'string',
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'VnfPackageVnfd'),
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'vnfdVersion': ('vnfd.vnfd_version', 'string', 'VnfPackageVnfd'),
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'userDefinedData/*': ('user_data', 'key_value_pair',
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{"key_column": "key", "value_column": "value",
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"model": "VnfPackageUserData"}),
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"checksum": {
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'algorithm': ('algorithm', 'string', 'VnfPackage'),
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'hash': ('hash', 'string', 'VnfPackage'),
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}
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}
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ALL_ATTRIBUTES.update(vnf_software_image.VnfSoftwareImage.ALL_ATTRIBUTES)
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FLATTEN_ATTRIBUTES = utils.flatten_dict(ALL_ATTRIBUTES.copy())
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simple_attributes = ['id', 'onboardingState', 'operationalState',
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'usageState']
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simple_instantiated_attributes = ['vnfProvider', 'vnfProductName',
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'vnfdId', 'vnfSoftwareVersion', 'vnfdVersion']
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COMPLEX_ATTRIBUTES = ["checksum", "userDefinedData"]
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COMPLEX_ATTRIBUTES.extend(
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vnf_software_image.VnfSoftwareImage.COMPLEX_ATTRIBUTES)
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# Version 1.0: Initial version
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VERSION = '1.0'
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fields = {
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'id': fields.UUIDField(nullable=False),
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'onboarding_state': fields.PackageOnboardingStateTypeField(
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nullable=False),
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'operational_state': fields.PackageOperationalStateTypeField(
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nullable=False),
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'usage_state': fields.PackageUsageStateTypeField(nullable=False),
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'user_data': fields.DictOfStringsField(),
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'tenant_id': fields.StringField(nullable=False),
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'algorithm': fields.StringField(nullable=True),
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'hash': fields.StringField(nullable=True),
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'location_glance_store': fields.StringField(nullable=True),
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'vnf_deployment_flavours': fields.ObjectField(
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'VnfDeploymentFlavoursList', nullable=True),
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'vnfd': fields.ObjectField('VnfPackageVnfd', nullable=True),
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}
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@staticmethod
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def _from_db_object(context, vnf_package, db_vnf_package,
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expected_attrs=None):
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expected_attrs = expected_attrs or []
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vnf_package._context = context
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for key in vnf_package.fields:
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if key in VNF_PACKAGE_OPTIONAL_ATTRS:
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continue
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if key == 'user_data':
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db_key = 'metadetails'
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else:
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db_key = key
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setattr(vnf_package, key, db_vnf_package[db_key])
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vnf_package._context = context
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vnf_package._extra_attributes_from_db_object(
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vnf_package, db_vnf_package, expected_attrs)
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vnf_package.obj_reset_changes()
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return vnf_package
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@staticmethod
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def _extra_attributes_from_db_object(vnf_package, db_vnf_package,
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expected_attrs=None):
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"""Method to help with migration of extra attributes to objects."""
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if expected_attrs is None:
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expected_attrs = []
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if 'vnf_deployment_flavours' in expected_attrs:
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vnf_package._load_vnf_deployment_flavours(
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db_vnf_package.get('vnf_deployment_flavours'))
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if 'vnfd' in expected_attrs:
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vnf_package._load_vnfd(db_vnf_package.get('vnfd'))
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def _load_vnf_deployment_flavours(self, db_flavours=_NO_DATA_SENTINEL):
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if db_flavours is _NO_DATA_SENTINEL:
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vnf_package = self.get_by_id(
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self._context, self.id,
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expected_attrs=['vnf_deployment_flavours'])
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if 'vnf_deployment_flavours' in vnf_package:
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self.vnf_deployment_flavours = \
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vnf_package.vnf_deployment_flavours
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self.vnf_deployment_flavours.obj_reset_changes(recursive=True)
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self.obj_reset_changes(['vnf_deployment_flavours'])
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else:
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self.vnf_deployment_flavours = \
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objects.VnfDeploymentFlavoursList(objects=[])
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elif db_flavours:
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self.vnf_deployment_flavours = base.obj_make_list(
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self._context, objects.VnfDeploymentFlavoursList(
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self._context), objects.VnfDeploymentFlavour, db_flavours)
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self.obj_reset_changes(['vnf_deployment_flavours'])
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def _load_vnfd(self, db_vnfd=_NO_DATA_SENTINEL):
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if db_vnfd is None:
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self.vnfd = None
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elif db_vnfd is _NO_DATA_SENTINEL:
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vnf_package = self.get_by_id(self._context, self.id,
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expected_attrs=['vnfd'])
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if 'vnfd' in vnf_package and vnf_package.vnfd is not None:
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self.vnfd = vnf_package.vnfd
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self.vnfd.obj_reset_changes(recursive=True)
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self.obj_reset_changes(['vnfd'])
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else:
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self.vnfd = None
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elif db_vnfd:
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self.vnfd = objects.VnfPackageVnfd.obj_from_db_obj(
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self._context, db_vnfd)
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self.obj_reset_changes(['vnfd'])
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def _load_generic(self, attrname):
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vnf_package = self.__class__.get_by_id(self._context,
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id=self.id,
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expected_attrs=None)
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if attrname not in vnf_package:
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raise exceptions.ObjectActionError(
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action='obj_load_attr',
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reason=_('loading %s requires recursion') % attrname)
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for field in self.fields:
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if field in vnf_package and field not in self:
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setattr(self, field, getattr(vnf_package, field))
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def obj_load_attr(self, attrname):
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if not self._context:
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raise exceptions.OrphanedObjectError(
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method='obj_load_attr', objtype=self.obj_name())
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if 'id' not in self:
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raise exceptions.ObjectActionError(
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action='obj_load_attr',
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reason=_('attribute %s not lazy-loadable') % attrname)
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LOG.debug("Lazy-loading '%(attr)s' on %(name)s id %(id)s",
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{'attr': attrname,
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'name': self.obj_name(),
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'id': self.id,
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})
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self._obj_load_attr(attrname)
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def _obj_load_attr(self, attrname):
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"""Internal method for loading attributes from vnf package."""
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if attrname == 'vnf_deployment_flavours':
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self._load_vnf_deployment_flavours()
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elif attrname == 'vnfd':
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self._load_vnfd()
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elif attrname in self.fields and attrname != 'id':
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self._load_generic(attrname)
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else:
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# NOTE(nirajsingh): Raise error if non existing field is
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# requested.
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raise exceptions.ObjectActionError(
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action='obj_load_attr',
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reason=_('attribute %s not lazy-loadable') % attrname)
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self.obj_reset_changes([attrname])
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@base.remotable
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def create(self):
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if self.obj_attr_is_set('id'):
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raise exceptions.ObjectActionError(action='create',
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reason=_('already created'))
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updates = self.obj_get_changes()
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if 'id' not in updates:
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updates['id'] = uuidutils.generate_uuid()
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self.id = updates['id']
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for key in ['vnf_deployment_flavours']:
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if key in updates.keys():
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updates.pop(key)
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user_data = updates.pop('user_data', None)
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db_vnf_package = _vnf_package_create(self._context, updates,
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user_data=user_data)
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self._from_db_object(self._context, self, db_vnf_package)
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@base.remotable_classmethod
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def get_by_id(cls, context, id, expected_attrs=None):
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db_vnf_package = _vnf_package_get_by_id(
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context, id, columns_to_join=expected_attrs)
|
|
return cls._from_db_object(context, cls(), db_vnf_package,
|
|
expected_attrs=expected_attrs)
|
|
|
|
@base.remotable
|
|
def destroy(self, context):
|
|
if not self.obj_attr_is_set('id'):
|
|
raise exceptions.ObjectActionError(action='destroy',
|
|
reason='no uuid')
|
|
|
|
_destroy_vnf_package(context, self.id)
|
|
|
|
@base.remotable
|
|
def save(self):
|
|
updates = self.tacker_obj_get_changes()
|
|
for key in ['vnf_deployment_flavours']:
|
|
if key in updates.keys():
|
|
updates.pop(key)
|
|
|
|
db_vnf_package = _vnf_package_update(self._context,
|
|
self.id, updates)
|
|
self._from_db_object(self._context, self, db_vnf_package)
|
|
|
|
@base.remotable
|
|
def is_package_in_use(self, context):
|
|
if self.onboarding_state == \
|
|
fields.PackageOnboardingStateType.ONBOARDED:
|
|
# check if vnf package is used by any vnf instances.
|
|
query = context.session.query(
|
|
func.count(models.VnfInstance.id)).\
|
|
filter_by(
|
|
instantiation_state=fields.VnfInstanceState.INSTANTIATED).\
|
|
filter_by(tenant_id=self.tenant_id).\
|
|
filter_by(vnfd_id=self.vnfd.vnfd_id).\
|
|
filter_by(deleted=False)
|
|
result = query.scalar()
|
|
return True if result > 0 else False
|
|
else:
|
|
return False
|
|
|
|
def _get_vnfd(self, include_fields=None):
|
|
response = dict()
|
|
to_fields = set(self.simple_instantiated_attributes).intersection(
|
|
include_fields)
|
|
for field in to_fields:
|
|
response[field] = utils.deepgetattr(self,
|
|
self.FLATTEN_ATTRIBUTES[field][0])
|
|
return response
|
|
|
|
def _get_checksum(self, include_fields=None):
|
|
response = dict()
|
|
to_fields = set([key for key in self.FLATTEN_ATTRIBUTES.keys()
|
|
if key.startswith('checksum')])
|
|
to_fields = to_fields.intersection(include_fields)
|
|
for field in to_fields:
|
|
display_field = field.split("/")[-1]
|
|
response[display_field] = getattr(self,
|
|
self.FLATTEN_ATTRIBUTES[field][0])
|
|
return {'checksum': response} if response else None
|
|
|
|
def _get_user_defined_data(self, include_fields=None):
|
|
# Need special handling for field containing key-value pair.
|
|
# If user requests userDefined/key1 and if userDefineData contains
|
|
# key1=value1, key2-value2, it should return only keys that are
|
|
# requested in include_fields. If user requests only userDefinedData,
|
|
# then in that case,it should return all key/value pairs. In case,
|
|
# if any of the requested key is not present, then it should
|
|
# siliently ignore it.
|
|
key = 'userDefinedData'
|
|
if key in include_fields or 'userDefinedData/*' in include_fields:
|
|
return {key: self.user_data}
|
|
else:
|
|
# Check if user has requested specified keys from
|
|
# userDefinedData.
|
|
data_resp = dict()
|
|
key_list = []
|
|
special_key = 'userDefinedData/'
|
|
for field in include_fields:
|
|
if field.startswith(special_key):
|
|
key_list.append(field[len(special_key):])
|
|
|
|
for key_req in key_list:
|
|
if key_req in self.user_data:
|
|
data_resp[key_req] = self.user_data[key_req]
|
|
|
|
if data_resp:
|
|
return {key: data_resp}
|
|
|
|
def _basic_vnf_package_info(self, include_fields=None):
|
|
response = dict()
|
|
to_fields = set(self.simple_attributes).intersection(include_fields)
|
|
for field in to_fields:
|
|
response[field] = getattr(self, self.FLATTEN_ATTRIBUTES[field][0])
|
|
return response
|
|
|
|
def to_dict(self, include_fields=None):
|
|
if not include_fields:
|
|
include_fields = set(self.FLATTEN_ATTRIBUTES.keys())
|
|
|
|
vnf_package_response = self._basic_vnf_package_info(
|
|
include_fields=include_fields)
|
|
|
|
user_defined_data = self._get_user_defined_data(
|
|
include_fields=include_fields)
|
|
|
|
if user_defined_data:
|
|
vnf_package_response.update(user_defined_data)
|
|
|
|
if (self.onboarding_state ==
|
|
fields.PackageOnboardingStateType.ONBOARDED):
|
|
|
|
software_images = self.vnf_deployment_flavours.to_dict(
|
|
include_fields=include_fields)
|
|
if software_images:
|
|
vnf_package_response.update(
|
|
{'softwareImages': software_images})
|
|
|
|
vnf_package_response.update(self._get_vnfd(
|
|
include_fields=include_fields))
|
|
|
|
checksum = self._get_checksum(include_fields=include_fields)
|
|
if checksum:
|
|
vnf_package_response.update(checksum)
|
|
|
|
return vnf_package_response
|
|
|
|
|
|
@base.TackerObjectRegistry.register
|
|
class VnfPackagesList(ovoo_base.ObjectListBase, base.TackerObject):
|
|
|
|
VERSION = '1.0'
|
|
|
|
fields = {
|
|
'objects': fields.ListOfObjectsField('VnfPackage')
|
|
}
|
|
|
|
@base.remotable_classmethod
|
|
def get_all(cls, context, expected_attrs=None):
|
|
db_vnf_packages = _vnf_package_list(context,
|
|
columns_to_join=expected_attrs)
|
|
return _make_vnf_packages_list(context, cls(), db_vnf_packages,
|
|
expected_attrs)
|
|
|
|
@base.remotable_classmethod
|
|
def get_by_filters(cls, context, read_deleted=None, filters=None):
|
|
db_vnf_packages = _vnf_package_list_by_filters(context,
|
|
read_deleted=read_deleted,
|
|
filters=filters)
|
|
return _make_vnf_packages_list(context, cls(), db_vnf_packages)
|