nova/nova/tests/unit/virt/libvirt/fake_imagebackend.py

76 lines
2.5 KiB
Python

# Copyright 2012 Grid Dynamics
# All Rights Reserved.
#
# 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 os
from nova.virt.libvirt import config
from nova.virt.libvirt import imagebackend
class Backend(object):
def __init__(self, use_cow):
pass
def image(self, instance, name, image_type=''):
class FakeImage(imagebackend.Image):
def __init__(self, instance, name):
self.path = os.path.join(instance['name'], name)
def create_image(self, prepare_template, base,
size, *args, **kwargs):
pass
def cache(self, fetch_func, filename, size=None, *args, **kwargs):
pass
def snapshot(self, name):
pass
def libvirt_info(self, disk_bus, disk_dev, device_type,
cache_mode, extra_specs, hypervisor_version):
info = config.LibvirtConfigGuestDisk()
info.source_type = 'file'
info.source_device = device_type
info.target_bus = disk_bus
info.target_dev = disk_dev
info.driver_cache = cache_mode
info.driver_format = 'raw'
info.source_path = self.path
return info
return FakeImage(instance, name)
def snapshot(self, instance, disk_path, image_type=''):
# NOTE(bfilippov): this is done in favor for
# snapshot tests in test_libvirt.LibvirtConnTestCase
return imagebackend.Backend(True).snapshot(instance,
disk_path,
image_type=image_type)
class Raw(imagebackend.Image):
# NOTE(spandhe) Added for test_rescue and test_rescue_config_drive
def __init__(self, instance=None, disk_name=None, path=None):
pass
def _get_driver_format(self):
pass
def correct_format(self):
pass
def create_image(self, prepare_template, base, size, *args, **kwargs):
pass