Merge "Implement OVO for Barbican [3]"

This commit is contained in:
Zuul 2018-07-24 01:55:08 +00:00 committed by Gerrit Code Review
commit 79acb9dd8b
5 changed files with 515 additions and 0 deletions

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# Copyright 2018 Fujitsu.
#
# 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.
from oslo_versionedobjects import base as object_base
from barbican.model import models
from barbican.model import repositories as repos
from barbican.objects import base
from barbican.objects import container_secret as con_se
from barbican.objects import fields
TYPE_VALUE = ['generic', 'rsa', 'dsa', 'certificate']
@object_base.VersionedObjectRegistry.register
class Container(base.BarbicanObject, base.BarbicanPersistentObject,
object_base.VersionedObjectDictCompat):
fields = {
'name': fields.StringField(nullable=True, default=None),
'type': fields.EnumField(nullable=True, valid_values=TYPE_VALUE),
'project_id': fields.StringField(nullable=True, default=None),
'creator_id': fields.StringField(nullable=True, default=None),
'consumers': fields.ListOfObjectsField('ContainerConsumerMetadatum',
default=list()),
'container_secrets': fields.ListOfObjectsField('ContainerSecret',
default=list()),
'container_acls': fields.ListOfObjectsField('ContainerACL',
default=list()),
'project': fields.ObjectField('Project', nullable=True, default=None)
}
db_model = models.Container
db_repo = repos.get_container_repository()
synthetic_fields = ['consumers', 'container_secrets',
'container_acls', 'project']
def __init__(self, context=None, parsed_request=None, **kwargs):
super(Container, self).__init__(context=context, **kwargs)
if parsed_request:
self.name = parsed_request.get('name')
self.type = parsed_request.get('type')
self.status = base.States.ACTIVE
self.creator_id = parsed_request.get('creator_id')
secret_refs = parsed_request.get('secret_refs')
if secret_refs:
for secret_ref in parsed_request.get('secret_refs'):
container_secret = con_se.ContainerSecret()
container_secret.name = secret_ref.get('name')
secret_id = secret_ref.get('secret_ref')
if secret_id.endswith('/'):
secret_id = secret_id.rsplit('/', 2)[1]
elif '/' in secret_id:
secret_id = secret_id.rsplit('/', 1)[1]
else:
secret_id = secret_id
container_secret.secret_id = secret_id
self.container_secrets.append(container_secret)
def _get_db_entity(self, data=None):
return self.db_model(parsed_request=data)
def _attach_container_secret(self, container_secrets, container_id,
session):
if container_secrets:
for container_secret in container_secrets:
container_secret.container_id = container_id
if container_secret.id is None:
self.container_secrets.append(container_secret.create(
session=session))
else:
self.container_secrets.append(container_secret.save(
session=session))
def _attach_consumers(self, consumers, container_id, session):
if consumers:
for consumer in consumers:
consumer.container_id = container_id
if consumer.id is None:
self.consumers.append(consumer.create(session=session))
else:
self.consumers.append(consumer.save(session=session))
def create(self, session=None):
fields = self.obj_get_changes()
super(Container, self).create(session=session)
if 'container_secrets' in fields:
self._attach_container_secret(
fields['container_secrets'],
container_id=self.id, session=session)
if 'consumers' in fields:
self._attach_consumers(fields['consumers'],
container_id=self.id, session=session)
def save(self, session=None):
fields = self.obj_get_changes()
super(Container, self).save(session=session)
if 'consumers' in fields:
self._attach_consumers(fields['consumers'],
container_id=self.id, session=session)
@classmethod
def get_by_create_date(cls, external_project_id, offset_arg=None,
limit_arg=None, name_arg=None,
suppress_exception=False, session=None):
entities_db, offset, limit, total = cls.db_repo.get_by_create_date(
external_project_id, offset_arg, limit_arg, name_arg,
suppress_exception, session
)
entities_obj = [cls()._from_db_object(entity_db)
for entity_db in entities_db]
return entities_obj, offset, limit, total
@classmethod
def get_container_by_id(cls, entity_id, suppress_exception=False,
session=None):
entity_db = cls.db_repo.get_container_by_id(entity_id,
suppress_exception,
session)
return cls()._from_db_object(entity_db)

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# Copyright 2018 Fujitsu.
#
# 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.
from oslo_utils import timeutils
from oslo_versionedobjects import base as object_base
from barbican.common import exception
from barbican import i18n as u
from barbican.model import models
from barbican.model import repositories as repo
from barbican.objects import base
from barbican.objects import container_acl_user
from barbican.objects import fields
@object_base.VersionedObjectRegistry.register
class ContainerACL(base.BarbicanObject, base.BarbicanPersistentObject,
object_base.VersionedObjectDictCompat):
fields = {
'container_id': fields.StringField(),
'operation': fields.StringField(),
'project_access': fields.BooleanField(default=True),
'acl_users': fields.ListOfObjectsField('ContainerACLUser',
default=list()),
'status': fields.StringField(nullable=True, default=base.States.ACTIVE)
}
db_model = models.ContainerACL
db_repo = repo.get_container_acl_repository()
synthetic_fields = ['acl_users']
def _validate_fields(self, change_fields):
msg = u._("Must supply non-None {0} argument for ContainerACL entry.")
if change_fields.get('container_id') is None:
raise exception.MissingArgumentError(msg.format("container_id"))
if change_fields.get('operation') is None:
raise exception.MissingArgumentError(msg.format("operation"))
def _get_db_entity(self, user_ids=None):
return self.db_model(user_ids=user_ids)
def create(self, session=None, user_ids=None):
change_fields = self._get_changed_persistent_fields()
self._validate_fields(change_fields)
db_entity = self._get_db_entity(user_ids=user_ids)
db_entity.update(change_fields)
db_entity = self.db_repo.create_from(db_entity, session=session)
self._from_db_object(db_entity)
def delete(self, session):
entity_id = self.id
self.db_repo.delete_entity_by_id(
entity_id=entity_id, external_project_id=None, session=session)
@classmethod
def get_by_container_id(cls, container_id, session=None):
entities_db = cls.db_repo.get_by_container_id(container_id, session)
entities = [cls()._from_db_object(entity_db)
for entity_db in entities_db]
return entities
@classmethod
def create_or_replace_from(cls, container, container_acl,
user_ids=None, session=None):
"""Create or replace Secret and SecretACL
:param container: an instance of Container object
:param container_acl: an instance of ContainerACL object
:param user_ids:
:param session: a session to connect with database
"""
session = cls.get_session(session)
container.updated_at = timeutils.utcnow()
container.save(session=session)
container_acl.updated_at = timeutils.utcnow()
if container_acl.id is None:
container_acl.create(session=session, user_ids=user_ids)
else:
container_acl.save(session=session)
cls._create_or_replace_acl_users(container_acl=container_acl,
user_ids=user_ids, session=session)
@classmethod
def create_or_replace_from_model(cls, container, container_acl,
user_ids=None, session=None):
"""Create or replace Secret and SecretACL
:param container: an instance of Container model
:param container_acl: an instance of ContainerACL object
:param user_ids:
:param session: a session to connect with database
It is used during converting from model to OVO. It will be removed
after Container resource is implemented OVO.
"""
session = cls.get_session(session)
container.updated_at = timeutils.utcnow()
container.save(session=session)
now = timeutils.utcnow()
container_acl.updated_at = now
if container_acl.id is None:
container_acl.create(session=session, user_ids=user_ids)
else:
container_acl.save(session=session)
cls._create_or_replace_acl_users(container_acl=container_acl,
user_ids=user_ids, session=session)
@classmethod
def _create_or_replace_acl_users(cls, container_acl, user_ids,
session=None):
if user_ids is None:
return
user_ids = set(user_ids)
now = timeutils.utcnow()
session = session or cls.get_session(session)
container_acl.updated_at = now
for acl_user in container_acl.acl_users:
if acl_user.user_id in user_ids: # input user_id already exists
acl_user.updated_at = now
acl_user.save(session=session)
user_ids.remove(acl_user.user_id)
else:
acl_user.delete(session=session)
for user_id in user_ids:
acl_user = container_acl_user.ContainerACLUser(
acl_id=container_acl.id, user_id=user_id)
acl_user.create(session=session)
if container_acl.id:
container_acl.save(session=session)
else:
container_acl.create(session=session)
@classmethod
def get_count(cls, container_id, session=None):
query = cls.db_repo.get_count(container_id, session)
return query
@classmethod
def delete_acls_for_container(cls, container, session=None):
# TODO(namnh)
# After Container resource is implemented, This function
# will be updated source code being used.
session = cls.get_session(session=session)
for entity in container.container_acls:
entity.delete(session=session)
@classmethod
def delete_acls_for_container_model(cls, container, session=None):
"""Delete ACLs in Container
Used during converting Model to OVO, it will be removed in near future.
:param container: instance of Container model
:param session: connection to database
"""
cls.db_repo.delete_acls_for_container(container, session)

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# Copyright 2018 Fujitsu.
#
# 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.
from oslo_versionedobjects import base as object_base
from barbican.common import exception
from barbican import i18n as u
from barbican.model import models
from barbican.model import repositories as repos
from barbican.objects import base
from barbican.objects import fields
@object_base.VersionedObjectRegistry.register
class ContainerACLUser(base.BarbicanObject, base.BarbicanPersistentObject,
object_base.VersionedObjectDictCompat):
fields = {
'acl_id': fields.StringField(),
'user_id': fields.StringField(),
'status': fields.StringField(nullable=True, default=base.States.ACTIVE)
}
db_model = models.ContainerACLUser
db_repo = repos.get_container_acl_user_repository()
def _validate_fields(self, change_fields):
if change_fields.get('user_id') is None:
msg = u._("Must supply non-None {0} argument for ContainerACLUser "
"entry.")
raise exception.MissingArgumentError(msg.format("user_id"))
def delete(self, session):
entity_id = self.id
self.db_repo.delete_entity_by_id(
entity_id=entity_id, external_project_id=None, session=session)

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

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# Copyright 2018 Fujitsu.
#
# 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.
from oslo_versionedobjects import base as object_base
from barbican.model import models
from barbican.model import repositories as repos
from barbican.objects import base
from barbican.objects import fields
@object_base.VersionedObjectRegistry.register
class ContainerSecret(base.BarbicanObject, base.BarbicanPersistentObject,
object_base.VersionedObjectDictCompat):
fields = {
'name': fields.StringField(nullable=True, default=None),
'container_id': fields.StringField(),
'secret_id': fields.StringField(),
}
db_model = models.ContainerSecret
db_repo = repos.get_container_secret_repository()
def create(self, session=None):
change_fields = self._get_changed_persistent_fields()
self._validate_fields(change_fields)
db_entity = self._get_db_entity()
db_entity.update(change_fields)
db_entity = self.db_repo.create_from(db_entity, session=session)
return self._from_db_object(db_entity)