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# Copyright 2018 NTT Corporation
#
# 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 nova.notifications.objects import base
from nova.objects import base as nova_base
from nova.objects import fields
from nova.objects import image_meta
@nova_base.NovaObjectRegistry.register_notification
class ImageMetaPayload(base.NotificationPayloadBase):
# Version 1.0: Initial version
VERSION = '1.0'
SCHEMA = {
'id': ('image_meta', 'id'),
'name': ('image_meta', 'name'),
'status': ('image_meta', 'status'),
'visibility': ('image_meta', 'visibility'),
'protected': ('image_meta', 'protected'),
'checksum': ('image_meta', 'checksum'),
'owner': ('image_meta', 'owner'),
'size': ('image_meta', 'size'),
'virtual_size': ('image_meta', 'virtual_size'),
'container_format': ('image_meta', 'container_format'),
'disk_format': ('image_meta', 'disk_format'),
'created_at': ('image_meta', 'created_at'),
'updated_at': ('image_meta', 'updated_at'),
'tags': ('image_meta', 'tags'),
'direct_url': ('image_meta', 'direct_url'),
'min_ram': ('image_meta', 'min_ram'),
'min_disk': ('image_meta', 'min_disk')
}
# NOTE(takashin): The reason that each field is nullable is as follows.
#
# a. It is defined as "The value might be null (JSON null data type)."
# in the "Show image" API (GET /v2/images/{image_id})
# in the glance API v2 Reference.
# (https://docs.openstack.org/api-ref/image/v2/index.html)
#
# * checksum
# * container_format
# * disk_format
# * min_disk
# * min_ram
# * name
# * owner
# * size
# * updated_at
# * virtual_size
#
# b. It is optional in the response from glance.
# * direct_url
#
# a. It is defined as nullable in the ImageMeta object.
# * created_at
#
# c. It cannot be got in the boot from volume case.
# See VIM_IMAGE_ATTRIBUTES in nova/block_device.py.
#
# * id (not 'image_id')
# * visibility
# * protected
# * status
# * tags
fields = {
'id': fields.UUIDField(nullable=True),
'name': fields.StringField(nullable=True),
'status': fields.StringField(nullable=True),
'visibility': fields.StringField(nullable=True),
'protected': fields.FlexibleBooleanField(nullable=True),
'checksum': fields.StringField(nullable=True),
'owner': fields.StringField(nullable=True),
'size': fields.IntegerField(nullable=True),
'virtual_size': fields.IntegerField(nullable=True),
'container_format': fields.StringField(nullable=True),
'disk_format': fields.StringField(nullable=True),
'created_at': fields.DateTimeField(nullable=True),
'updated_at': fields.DateTimeField(nullable=True),
'tags': fields.ListOfStringsField(nullable=True),
'direct_url': fields.StringField(nullable=True),
'min_ram': fields.IntegerField(nullable=True),
'min_disk': fields.IntegerField(nullable=True),
'properties': fields.ObjectField('ImageMetaPropsPayload')
}
def __init__(self, image_meta):
super(ImageMetaPayload, self).__init__()
self.properties = ImageMetaPropsPayload(
image_meta_props=image_meta.properties)
self.populate_schema(image_meta=image_meta)
@nova_base.NovaObjectRegistry.register_notification
class ImageMetaPropsPayload(base.NotificationPayloadBase):
"""Built dynamically from ImageMetaProps.
This has the following implications:
* When you make a versioned update to ImageMetaProps, you must *also* bump
the version of this object, even though you didn't make any explicit
changes here. There's an object hash test that should catch this for you.
* As currently written, this relies on all of the fields of ImageMetaProps
being initialized with no arguments. If you add one with arguments (e.g.
``nullable=True`` or with a ``default``), something needs to change here.
"""
# Version 1.0: Initial version
# Version 1.1: Added 'gop', 'virtio' and 'none' to hw_video_model field
# Version 1.2: Added hw_pci_numa_affinity_policy field
# Version 1.3: Added hw_mem_encryption, hw_pmu and hw_time_hpet fields
# Version 1.4: Added 'mixed' to hw_cpu_policy field
# Version 1.5: Added 'hw_tpm_model' and 'hw_tpm_version' fields
# Version 1.6: Added 'socket' to hw_pci_numa_affinity_policy
# Version 1.7: Added 'hw_input_bus' field
# Version 1.8: Added 'bochs' as an option to 'hw_video_model'
VERSION = '1.8'
SCHEMA = {
k: ('image_meta_props', k) for k in image_meta.ImageMetaProps.fields}
# NOTE(efried): This logic currently relies on all of the fields of
# ImageMetaProps being initialized with no arguments. See the docstring.
# NOTE(efried): It's possible this could just be:
# fields = image_meta.ImageMetaProps.fields
# But it is not clear that OVO can tolerate the same *instance* of a type
# class being used in more than one place.
fields = {
k: v.__class__() for k, v in image_meta.ImageMetaProps.fields.items()}
def __init__(self, image_meta_props):
super(ImageMetaPropsPayload, self).__init__()
# NOTE(takashin): If fields are not set in the ImageMetaProps object,
# it will not set the fields in the ImageMetaPropsPayload
# in order to avoid too many fields whose values are None.
self.populate_schema(set_none=False, image_meta_props=image_meta_props)
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