python-openstackclient/openstackclient/image/client.py
Dean Troyer cdaee1b71e Complete Image v1
* Add v1 versions of image delete, list, save, set, show
* Change default Image API to v1

Rebased for https://review.openstack.org/#/c/36772/

Change-Id: Ie2bfe660aac8a0fcf651c67fd1ea4842e76ce377
2013-07-18 14:14:14 -05:00

95 lines
2.8 KiB
Python

# Copyright 2012-2013 OpenStack Foundation
#
# 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.
#
import logging
from glanceclient import exc as gc_exceptions
from glanceclient.v1 import client as gc_v1_client
from glanceclient.v1 import images as gc_v1_images
from openstackclient.common import utils
LOG = logging.getLogger(__name__)
API_NAME = "image"
API_VERSIONS = {
"1": "openstackclient.image.client.Client_v1",
"2": "glanceclient.v2.client.Client",
}
def make_client(instance):
"""Returns an image service client."""
image_client = utils.get_client_class(
API_NAME,
instance._api_version[API_NAME],
API_VERSIONS)
if not instance._url:
instance._url = instance.get_endpoint_for_service_type(API_NAME)
return image_client(instance._url, token=instance._token)
# NOTE(dtroyer): glanceclient.v1.image.ImageManager() doesn't have a find()
# method so add one here until the common client libs arrive
# A similar subclass will be required for v2
class Client_v1(gc_v1_client.Client):
"""An image v1 client that uses ImageManager_v1"""
def __init__(self, *args, **kwargs):
super(Client_v1, self).__init__(*args, **kwargs)
self.images = ImageManager_v1(self)
class ImageManager_v1(gc_v1_images.ImageManager):
"""Add find() and findall() to the ImageManager class"""
def find(self, **kwargs):
"""Find a single item with attributes matching ``**kwargs``.
This isn't very efficient: it loads the entire list then filters on
the Python side.
"""
rl = self.findall(**kwargs)
num = len(rl)
if num == 0:
raise gc_exceptions.NotFound
elif num > 1:
raise gc_exceptions.NoUniqueMatch
else:
return rl[0]
def findall(self, **kwargs):
"""Find all items with attributes matching ``**kwargs``.
This isn't very efficient: it loads the entire list then filters on
the Python side.
"""
found = []
searches = kwargs.items()
for obj in self.list():
try:
if all(getattr(obj, attr) == value
for (attr, value) in searches):
found.append(obj)
except AttributeError:
continue
return found