tobiko/tobiko/openstack/glance/_client.py

130 lines
3.7 KiB
Python

# Copyright 2019 Red Hat
#
# 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 __future__ import absolute_import
from glanceclient.v2 import client as glanceclient
from glanceclient import exc
from oslo_log import log
import tobiko
from tobiko.openstack import _client
LOG = log.getLogger(__name__)
class GlanceClientFixture(_client.OpenstackClientFixture):
def init_client(self, session):
return glanceclient.Client(session=session)
class GlanceClientManager(_client.OpenstackClientManager):
def create_client(self, session):
return GlanceClientFixture(session=session)
CLIENTS = GlanceClientManager()
def glance_client(obj=None):
obj = obj or default_glance_client()
if tobiko.is_fixture(obj):
obj = tobiko.setup_fixture(obj).client
return tobiko.check_valid_type(obj, glanceclient.Client)
def default_glance_client():
return get_glance_client()
def get_glance_client(session=None, shared=True, init_client=None,
manager=None):
manager = manager or CLIENTS
fixture = manager.get_client(session=session, shared=shared,
init_client=init_client)
return glance_client(fixture)
def create_image(client=None, **params):
"""Look for the unique network matching some property values"""
return glance_client(client).images.create(**params)
def delete_image(image_id, client=None, **params):
try:
glance_client(client).images.delete(image_id, **params)
except exc.HTTPNotFound:
return False
else:
return True
_RAISE_ERROR = object()
def get_image(image_id, client=None, default=_RAISE_ERROR):
try:
return glance_client(client).images.get(image_id=image_id)
except exc.HTTPNotFound:
if default is _RAISE_ERROR:
raise
else:
return default
def find_image(image=None, client=None, unique=False, default=_RAISE_ERROR,
**params):
"""Look for an image matching some property values"""
client = glance_client(client)
if image:
try:
return get_image(image_id=image, default=_RAISE_ERROR)
except exc.HTTPNotFound:
params.setdefault('name', image)
limit = unique and 2 or 1
images = list_images(client=client, limit=limit, **params)
if default is _RAISE_ERROR or images:
if unique:
return images.unique
else:
return images.first
else:
return default
def list_images(client=None, limit=None, **filters):
images = glance_client(client).images.list(limit=limit, filters=filters)
return tobiko.select(images)
def upload_image(image_id, image_data, client=None, **params):
"""Look for the unique network matching some property values"""
return glance_client(client).images.upload(
image_id=image_id, image_data=image_data, **params)
class HasGlanceClientMixin(object):
glance_client = None
def get_image(self, image_id, **params):
return get_image(image_id=image_id,
client=self.glance_client,
**params)
def find_image(self, **params):
return find_image(client=self.glance_client, **params)