133 lines
5.2 KiB
Python
133 lines
5.2 KiB
Python
# Copyright 2015 SimpliVity Corp.
|
|
#
|
|
# 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 versionutils
|
|
from oslo_versionedobjects import fields
|
|
|
|
from cinder import exception
|
|
from cinder.i18n import _
|
|
from cinder import objects
|
|
from cinder.objects import base
|
|
from cinder.volume import volume_types
|
|
|
|
|
|
OPTIONAL_FIELDS = ['extra_specs', 'projects']
|
|
|
|
|
|
@base.CinderObjectRegistry.register
|
|
class VolumeType(base.CinderPersistentObject, base.CinderObject,
|
|
base.CinderObjectDictCompat, base.CinderComparableObject):
|
|
# Version 1.0: Initial version
|
|
# Version 1.1: Changed extra_specs to DictOfNullableStringsField
|
|
VERSION = '1.1'
|
|
|
|
fields = {
|
|
'id': fields.UUIDField(),
|
|
'name': fields.StringField(nullable=True),
|
|
'description': fields.StringField(nullable=True),
|
|
'is_public': fields.BooleanField(default=True, nullable=True),
|
|
'projects': fields.ListOfStringsField(nullable=True),
|
|
'extra_specs': fields.DictOfNullableStringsField(nullable=True),
|
|
}
|
|
|
|
def obj_make_compatible(self, primitive, target_version):
|
|
super(VolumeType, self).obj_make_compatible(primitive, target_version)
|
|
|
|
target_version = versionutils.convert_version_to_tuple(target_version)
|
|
if target_version < (1, 1):
|
|
if primitive.get('extra_specs'):
|
|
# Before 1.1 extra_specs field didn't allowed None values. To
|
|
# make sure we won't explode on receiver side - change Nones to
|
|
# empty string.
|
|
for k, v in primitive['extra_specs'].items():
|
|
if v is None:
|
|
primitive['extra_specs'][k] = ''
|
|
|
|
@classmethod
|
|
def _get_expected_attrs(cls, context):
|
|
return 'extra_specs', 'projects'
|
|
|
|
@staticmethod
|
|
def _from_db_object(context, type, db_type, expected_attrs=None):
|
|
if expected_attrs is None:
|
|
expected_attrs = []
|
|
for name, field in type.fields.items():
|
|
if name in OPTIONAL_FIELDS:
|
|
continue
|
|
value = db_type[name]
|
|
if isinstance(field, fields.IntegerField):
|
|
value = value or 0
|
|
type[name] = value
|
|
|
|
# Get data from db_type object that was queried by joined query
|
|
# from DB
|
|
if 'extra_specs' in expected_attrs:
|
|
type.extra_specs = {}
|
|
specs = db_type.get('extra_specs')
|
|
if specs and isinstance(specs, list):
|
|
type.extra_specs = {item['key']: item['value']
|
|
for item in specs}
|
|
elif specs and isinstance(specs, dict):
|
|
type.extra_specs = specs
|
|
if 'projects' in expected_attrs:
|
|
type.projects = db_type.get('projects', [])
|
|
|
|
type._context = context
|
|
type.obj_reset_changes()
|
|
return type
|
|
|
|
def create(self):
|
|
if self.obj_attr_is_set('id'):
|
|
raise exception.ObjectActionError(action='create',
|
|
reason=_('already created'))
|
|
db_volume_type = volume_types.create(self._context, self.name,
|
|
self.extra_specs,
|
|
self.is_public, self.projects,
|
|
self.description)
|
|
self._from_db_object(self._context, self, db_volume_type)
|
|
|
|
def save(self):
|
|
updates = self.cinder_obj_get_changes()
|
|
if updates:
|
|
volume_types.update(self._context, self.id, self.name,
|
|
self.description)
|
|
self.obj_reset_changes()
|
|
|
|
def destroy(self):
|
|
with self.obj_as_admin():
|
|
volume_types.destroy(self._context, self.id)
|
|
|
|
|
|
@base.CinderObjectRegistry.register
|
|
class VolumeTypeList(base.ObjectListBase, base.CinderObject):
|
|
# Version 1.0: Initial version
|
|
# Version 1.1: Add pagination support to volume type
|
|
VERSION = '1.1'
|
|
|
|
fields = {
|
|
'objects': fields.ListOfObjectsField('VolumeType'),
|
|
}
|
|
|
|
@classmethod
|
|
def get_all(cls, context, inactive=0, filters=None, marker=None,
|
|
limit=None, sort_keys=None, sort_dirs=None, offset=None):
|
|
types = volume_types.get_all_types(context, inactive, filters,
|
|
marker=marker, limit=limit,
|
|
sort_keys=sort_keys,
|
|
sort_dirs=sort_dirs, offset=offset)
|
|
expected_attrs = VolumeType._get_expected_attrs(context)
|
|
return base.obj_make_list(context, cls(context),
|
|
objects.VolumeType, types.values(),
|
|
expected_attrs=expected_attrs)
|