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# 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 nova.notifications.objects import base
from nova.objects import base as nova_base
from nova.objects import fields
@base.notification_sample('flavor-create.json')
@base.notification_sample('flavor-update.json')
@base.notification_sample('flavor-delete.json')
@nova_base.NovaObjectRegistry.register_notification
class FlavorNotification(base.NotificationBase):
# Version 1.0: Initial version
VERSION = '1.0'
fields = {
'payload': fields.ObjectField('FlavorPayload')
}
@nova_base.NovaObjectRegistry.register_notification
class FlavorPayload(base.NotificationPayloadBase):
# Version 1.0: Initial version
# Version 1.1: Add other fields for Flavor
# Version 1.2: Add extra_specs and projects fields
# Version 1.3: Make projects and extra_specs field nullable as they are
# not always available when a notification is emitted.
VERSION = '1.3'
# NOTE: if we'd want to rename some fields(memory_mb->ram, root_gb->disk,
# ephemeral_gb: ephemeral), bumping to payload version 2.0 will be needed.
SCHEMA = {
'flavorid': ('flavor', 'flavorid'),
'memory_mb': ('flavor', 'memory_mb'),
'vcpus': ('flavor', 'vcpus'),
'root_gb': ('flavor', 'root_gb'),
'ephemeral_gb': ('flavor', 'ephemeral_gb'),
'name': ('flavor', 'name'),
'swap': ('flavor', 'swap'),
'rxtx_factor': ('flavor', 'rxtx_factor'),
'vcpu_weight': ('flavor', 'vcpu_weight'),
'disabled': ('flavor', 'disabled'),
'is_public': ('flavor', 'is_public'),
'extra_specs': ('flavor', 'extra_specs'),
'projects': ('flavor', 'projects'),
}
fields = {
'flavorid': fields.StringField(nullable=True),
'memory_mb': fields.IntegerField(nullable=True),
'vcpus': fields.IntegerField(nullable=True),
'root_gb': fields.IntegerField(nullable=True),
'ephemeral_gb': fields.IntegerField(nullable=True),
'name': fields.StringField(),
'swap': fields.IntegerField(),
'rxtx_factor': fields.FloatField(nullable=True),
'vcpu_weight': fields.IntegerField(nullable=True),
'disabled': fields.BooleanField(),
'is_public': fields.BooleanField(),
'extra_specs': fields.DictOfStringsField(nullable=True),
'projects': fields.ListOfStringsField(nullable=True),
}
def __init__(self, flavor, **kwargs):
super(FlavorPayload, self).__init__(**kwargs)
if 'projects' not in flavor:
# NOTE(danms): If projects is not loaded in the flavor,
# don't attempt to load it. If we're in a child cell then
# we can't load the real flavor, and if we're a flavor on
# an instance then we don't want to anyway.
flavor = flavor.obj_clone()
flavor._context = None
self.populate_schema(flavor=flavor)
def obj_make_compatible(self, primitive, target_version):
super(FlavorPayload, self).obj_make_compatible(primitive,
target_version)
target_version = versionutils.convert_version_to_tuple(target_version)
if target_version < (1, 1):
primitive.pop('name', None)
primitive.pop('swap', None)
primitive.pop('rxtx_factor', None)
primitive.pop('vcpu_weight', None)
primitive.pop('disabled', None)
primitive.pop('is_public', None)
if target_version < (1, 2):
primitive.pop('extra_specs', None)
primitive.pop('projects', None)
if target_version < (1, 3):
if 'projects' not in primitive or primitive['projects'] is None:
primitive['projects'] = []
if ('extra_specs' not in primitive or
primitive['extra_specs'] is None):
primitive['extra_specs'] = {}
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