126 lines
4.8 KiB
Python
126 lines
4.8 KiB
Python
# 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 fields
|
|
|
|
from zun.db import api as dbapi
|
|
from zun.objects import base
|
|
|
|
|
|
@base.ZunObjectRegistry.register
|
|
class Image(base.ZunPersistentObject, base.ZunObject):
|
|
# Version 1.0: Initial version
|
|
# Version 1.1: Add delete image
|
|
# Version 1.2: Add host to image
|
|
VERSION = '1.2'
|
|
|
|
fields = {
|
|
'id': fields.IntegerField(),
|
|
'uuid': fields.UUIDField(nullable=True),
|
|
'image_id': fields.StringField(nullable=True),
|
|
'project_id': fields.StringField(nullable=True),
|
|
'user_id': fields.StringField(nullable=True),
|
|
'repo': fields.StringField(nullable=True),
|
|
'tag': fields.StringField(nullable=True),
|
|
'size': fields.StringField(nullable=True),
|
|
'host': fields.StringField(nullable=True),
|
|
}
|
|
|
|
@staticmethod
|
|
def _from_db_object(image, db_image):
|
|
"""Converts a database entity to a formal object."""
|
|
for field in image.fields:
|
|
setattr(image, field, db_image[field])
|
|
|
|
image.obj_reset_changes()
|
|
return image
|
|
|
|
@staticmethod
|
|
def _from_db_object_list(db_objects, cls, context):
|
|
"""Converts a list of database entities to a list of formal objects."""
|
|
return [Image._from_db_object(cls(context), obj)
|
|
for obj in db_objects]
|
|
|
|
@base.remotable_classmethod
|
|
def get_by_uuid(cls, context, uuid):
|
|
"""Find an image based on uuid and return a :class:`Image` object.
|
|
|
|
:param uuid: the uuid of an image.
|
|
:param context: Security context
|
|
:returns: a :class:`Image` object.
|
|
"""
|
|
db_image = dbapi.get_image_by_uuid(context, uuid)
|
|
image = Image._from_db_object(cls(context), db_image)
|
|
return image
|
|
|
|
@base.remotable_classmethod
|
|
def list(cls, context=None, limit=None, marker=None,
|
|
sort_key=None, sort_dir=None, filters=None):
|
|
"""Return a list of Image objects.
|
|
|
|
:param context: Security context.
|
|
:param limit: maximum number of resources to return in a single result.
|
|
:param marker: pagination marker for large data sets.
|
|
:param sort_key: column to sort results by.
|
|
:param sort_dir: direction to sort. "asc" or "desc".
|
|
:param filters: filters when list images, the filter name could be
|
|
'repo', 'image_id', 'project_id', 'user_id', 'size'
|
|
:returns: a list of :class:`Image` object.
|
|
|
|
"""
|
|
db_images = dbapi.list_images(context,
|
|
limit=limit,
|
|
marker=marker,
|
|
sort_key=sort_key,
|
|
sort_dir=sort_dir,
|
|
filters=filters)
|
|
return Image._from_db_object_list(db_images, cls, context)
|
|
|
|
@base.remotable
|
|
def destroy(self, context, image_uuid):
|
|
dbapi.destroy_image(context, image_uuid)
|
|
self.obj_reset_changes()
|
|
|
|
@base.remotable
|
|
def pull(self, context=None):
|
|
"""Create an image record in the DB.
|
|
|
|
:param context: Security context. NOTE: This should only
|
|
be used internally by the indirection_api.
|
|
Unfortunately, RPC requires context as the first
|
|
argument, even though we don't use it.
|
|
A context should be set when instantiating the
|
|
object, e.g.: Image(context)
|
|
|
|
"""
|
|
values = self.obj_get_changes()
|
|
db_image = dbapi.pull_image(context, values)
|
|
self._from_db_object(self, db_image)
|
|
|
|
@base.remotable
|
|
def save(self, context=None):
|
|
"""Save updates to this Image.
|
|
|
|
Updates will be made column by column based on the result
|
|
of self.what_changed().
|
|
|
|
:param context: Security context. NOTE: This should only
|
|
be used internally by the indirection_api.
|
|
Unfortunately, RPC requires context as the first
|
|
argument, even though we don't use it.
|
|
A context should be set when instantiating the
|
|
object, e.g.: Image(context)
|
|
"""
|
|
updates = self.obj_get_changes()
|
|
dbapi.update_image(self.uuid, updates)
|
|
self.obj_reset_changes()
|