171 lines
6.8 KiB
Python
171 lines
6.8 KiB
Python
# Copyright 2015 Yahoo Inc.
|
|
#
|
|
# 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 cinder import db
|
|
from cinder import exception
|
|
from cinder.i18n import _
|
|
from cinder import objects
|
|
from cinder.objects import base
|
|
from cinder.objects import fields as c_fields
|
|
from oslo_versionedobjects import fields
|
|
|
|
OPTIONAL_FIELDS = ['cgsnapshots', 'volumes']
|
|
|
|
|
|
@base.CinderObjectRegistry.register
|
|
class ConsistencyGroup(base.CinderPersistentObject, base.CinderObject,
|
|
base.CinderObjectDictCompat):
|
|
# Version 1.0: Initial version
|
|
# Version 1.1: Added cgsnapshots and volumes relationships
|
|
# Version 1.2: Changed 'status' field to use ConsistencyGroupStatusField
|
|
VERSION = '1.2'
|
|
|
|
fields = {
|
|
'id': fields.UUIDField(),
|
|
'user_id': fields.UUIDField(),
|
|
'project_id': fields.UUIDField(),
|
|
'host': fields.StringField(nullable=True),
|
|
'availability_zone': fields.StringField(nullable=True),
|
|
'name': fields.StringField(nullable=True),
|
|
'description': fields.StringField(nullable=True),
|
|
'volume_type_id': fields.StringField(nullable=True),
|
|
'status': c_fields.ConsistencyGroupStatusField(nullable=True),
|
|
'cgsnapshot_id': fields.UUIDField(nullable=True),
|
|
'source_cgid': fields.UUIDField(nullable=True),
|
|
'cgsnapshots': fields.ObjectField('CGSnapshotList', nullable=True),
|
|
'volumes': fields.ObjectField('VolumeList', nullable=True),
|
|
}
|
|
|
|
@staticmethod
|
|
def _from_db_object(context, consistencygroup, db_consistencygroup,
|
|
expected_attrs=None):
|
|
if expected_attrs is None:
|
|
expected_attrs = []
|
|
for name, field in consistencygroup.fields.items():
|
|
if name in OPTIONAL_FIELDS:
|
|
continue
|
|
value = db_consistencygroup.get(name)
|
|
setattr(consistencygroup, name, value)
|
|
|
|
if 'cgsnapshots' in expected_attrs:
|
|
cgsnapshots = base.obj_make_list(
|
|
context, objects.CGSnapshotsList(context),
|
|
objects.CGSnapshot,
|
|
db_consistencygroup['cgsnapshots'])
|
|
consistencygroup.cgsnapshots = cgsnapshots
|
|
|
|
if 'volumes' in expected_attrs:
|
|
volumes = base.obj_make_list(
|
|
context, objects.VolumeList(context),
|
|
objects.Volume,
|
|
db_consistencygroup['volumes'])
|
|
consistencygroup.cgsnapshots = volumes
|
|
|
|
consistencygroup._context = context
|
|
consistencygroup.obj_reset_changes()
|
|
return consistencygroup
|
|
|
|
@base.remotable
|
|
def create(self):
|
|
if self.obj_attr_is_set('id'):
|
|
raise exception.ObjectActionError(action='create',
|
|
reason=_('already_created'))
|
|
updates = self.cinder_obj_get_changes()
|
|
|
|
if 'cgsnapshots' in updates:
|
|
raise exception.ObjectActionError(action='create',
|
|
reason=_('cgsnapshots assigned'))
|
|
|
|
if 'volumes' in updates:
|
|
raise exception.ObjectActionError(action='create',
|
|
reason=_('volumes assigned'))
|
|
|
|
db_consistencygroups = db.consistencygroup_create(self._context,
|
|
updates)
|
|
self._from_db_object(self._context, self, db_consistencygroups)
|
|
|
|
def obj_load_attr(self, attrname):
|
|
if attrname not in OPTIONAL_FIELDS:
|
|
raise exception.ObjectActionError(
|
|
action='obj_load_attr',
|
|
reason=_('attribute %s not lazy-loadable') % attrname)
|
|
if not self._context:
|
|
raise exception.OrphanedObjectError(method='obj_load_attr',
|
|
objtype=self.obj_name())
|
|
|
|
if attrname == 'cgsnapshots':
|
|
self.cgsnapshots = objects.CGSnapshotList.get_all_by_group(
|
|
self._context, self.id)
|
|
|
|
if attrname == 'volumes':
|
|
self.volumes = objects.VolumeList.get_all_by_group(self._context,
|
|
self.id)
|
|
|
|
self.obj_reset_changes(fields=[attrname])
|
|
|
|
@base.remotable
|
|
def save(self):
|
|
updates = self.cinder_obj_get_changes()
|
|
if updates:
|
|
if 'cgsnapshots' in updates:
|
|
raise exception.ObjectActionError(
|
|
action='save', reason=_('cgsnapshots changed'))
|
|
if 'volumes' in updates:
|
|
raise exception.ObjectActionError(
|
|
action='save', reason=_('volumes changed'))
|
|
|
|
db.consistencygroup_update(self._context, self.id, updates)
|
|
self.obj_reset_changes()
|
|
|
|
@base.remotable
|
|
def destroy(self):
|
|
with self.obj_as_admin():
|
|
db.consistencygroup_destroy(self._context, self.id)
|
|
|
|
|
|
@base.CinderObjectRegistry.register
|
|
class ConsistencyGroupList(base.ObjectListBase, base.CinderObject):
|
|
# Version 1.0: Initial version
|
|
# Version 1.1: Add pagination support to consistency group
|
|
VERSION = '1.1'
|
|
|
|
fields = {
|
|
'objects': fields.ListOfObjectsField('ConsistencyGroup')
|
|
}
|
|
child_version = {
|
|
'1.0': '1.0',
|
|
'1.1': '1.1',
|
|
}
|
|
|
|
@base.remotable_classmethod
|
|
def get_all(cls, context, filters=None, marker=None, limit=None,
|
|
offset=None, sort_keys=None, sort_dirs=None):
|
|
consistencygroups = db.consistencygroup_get_all(
|
|
context, filters=filters, marker=marker, limit=limit,
|
|
offset=offset, sort_keys=sort_keys, sort_dirs=sort_dirs)
|
|
return base.obj_make_list(context, cls(context),
|
|
objects.ConsistencyGroup,
|
|
consistencygroups)
|
|
|
|
@base.remotable_classmethod
|
|
def get_all_by_project(cls, context, project_id, filters=None, marker=None,
|
|
limit=None, offset=None, sort_keys=None,
|
|
sort_dirs=None):
|
|
consistencygroups = db.consistencygroup_get_all_by_project(
|
|
context, project_id, filters=filters, marker=marker, limit=limit,
|
|
offset=offset, sort_keys=sort_keys, sort_dirs=sort_dirs)
|
|
return base.obj_make_list(context, cls(context),
|
|
objects.ConsistencyGroup,
|
|
consistencygroups)
|