
This patch set is to create a Base class OVO and implement some model classes like below: - Container - ContainerACL - ContainerACLUser - ContainerCosumerMetadatum - ContainerSecret Change-Id: I641811388292d1ad71dbd19935d2785c94da7b73 Co-Authored-By: Kien Nguyen <kiennt@vn.fujitsu.com> Partial-Implements: blueprint rolling-upgrade
126 lines
5.5 KiB
Python
126 lines
5.5 KiB
Python
# Copyright 2018 Fujitsu.
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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_utils import timeutils
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from oslo_versionedobjects import base as object_base
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from barbican.common import utils
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from barbican.model import models
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from barbican.model import repositories as repos
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from barbican.objects import base
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from barbican.objects import fields
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LOG = utils.getLogger(__name__)
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@object_base.VersionedObjectRegistry.register
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class ContainerConsumerMetadatum(base.BarbicanObject,
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base.BarbicanPersistentObject,
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object_base.VersionedObjectDictCompat):
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fields = {
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'container_id': fields.StringField(nullable=False),
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'project_id': fields.StringField(nullable=True, default=None),
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'name': fields.StringField(nullable=True, default=None),
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'URL': fields.StringField(nullable=True, default=None),
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'data_hash': fields.StringField(nullable=True, default=None)
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}
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db_model = models.ContainerConsumerMetadatum
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db_repo = repos.get_container_consumer_repository()
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@classmethod
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def get_by_container_id(cls, container_id, offset_arg=None, limit_arg=None,
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suppress_exception=False, session=None):
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entities_db, offset, limit, total = \
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cls.db_repo.get_by_container_id(
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container_id, offset_arg, limit_arg,
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suppress_exception, session)
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entities = [cls()._from_db_object(entity_db) for entity_db in
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entities_db]
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return entities, offset, limit, total
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@classmethod
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def get_by_values(cls, container_id, name, URL, suppress_exception=False,
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show_deleted=False, session=None):
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consumer_db = cls.db_repo.get_by_values(container_id, name,
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URL,
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suppress_exception,
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show_deleted,
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session)
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return cls()._from_db_object(consumer_db)
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@classmethod
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def create_or_update_from_model(cls, new_consumer,
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container, session=None):
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"""Create or update container
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:param new_consumer: a instance of ContainerConsumerMetadatum model
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:param container: a instance of Container OVO
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:param session: a session to connect with database
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:return: None
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It is used during converting from model to OVO. It will be removed
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after Container resource is implemented OVO.
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"""
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session = cls.get_session(session=session)
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try:
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container.updated_at = timeutils.utcnow()
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container.save(session=session)
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new_consumer.save(session=session)
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except db_exc.DBDuplicateEntry:
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session.rollback() # We know consumer already exists.
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# This operation is idempotent, so log this and move on
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LOG.debug("Consumer %s with URL %s already exists for "
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"container %s, continuing...", new_consumer.name,
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new_consumer.URL, new_consumer.container_id)
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# Get the existing entry and reuse it by clearing the deleted flags
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existing_consumer = cls.get_by_values(
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new_consumer.container_id, new_consumer.name, new_consumer.URL,
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show_deleted=True)
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existing_consumer.deleted = False
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existing_consumer.deleted_at = None
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# We are not concerned about timing here -- set only, no reads
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existing_consumer.save(session=session)
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@classmethod
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def create_or_update_from(cls, new_consumer, container, session=None):
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"""Create or update container
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:param new_consumer: a instance of ContainerConsumerMetadatum OVO
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:param container: a instance of Container OVO
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:param session: a session to connect with database
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:return: None
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"""
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session = cls.get_session(session=session)
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try:
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container.updated_at = timeutils.utcnow()
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container.consumers.append(new_consumer)
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container.save(session=session)
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except db_exc.DBDuplicateEntry:
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session.rollback() # We know consumer already exists.
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# This operation is idempotent, so log this and move on
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LOG.debug("Consumer %s with URL %s already exists for "
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"container %s, continuing...", new_consumer.name,
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new_consumer.URL, new_consumer.container_id)
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# Get the existing entry and reuse it by clearing the deleted flags
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existing_consumer = cls.get_by_values(
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new_consumer.container_id, new_consumer.name, new_consumer.URL,
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show_deleted=True)
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existing_consumer.deleted = False
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existing_consumer.deleted_at = None
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# We are not concerned about timing here -- set only, no reads
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existing_consumer.save(session=session)
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