/usr/share/pyshared/nova/image/fake.py is in python-nova 2012.1-0ubuntu2.
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# Copyright 2011 Justin Santa Barbara
# 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.
"""Implementation of an fake image service"""
import copy
import datetime
from nova import exception
from nova import flags
from nova import log as logging
from nova import utils
LOG = logging.getLogger(__name__)
FLAGS = flags.FLAGS
class _FakeImageService(object):
"""Mock (fake) image service for unit testing."""
def __init__(self):
self.images = {}
# NOTE(justinsb): The OpenStack API can't upload an image?
# So, make sure we've got one..
timestamp = datetime.datetime(2011, 01, 01, 01, 02, 03)
# NOTE(bcwaldon): was image '123456'
image1 = {'id': '155d900f-4e14-4e4c-a73d-069cbf4541e6',
'name': 'fakeimage123456',
'created_at': timestamp,
'updated_at': timestamp,
'deleted_at': None,
'deleted': False,
'status': 'active',
'is_public': False,
'container_format': 'raw',
'disk_format': 'raw',
'properties': {'kernel_id': FLAGS.null_kernel,
'ramdisk_id': FLAGS.null_kernel,
'architecture': 'x86_64'}}
# NOTE(bcwaldon): was image 'fake'
image2 = {'id': 'a2459075-d96c-40d5-893e-577ff92e721c',
'name': 'fakeimage123456',
'created_at': timestamp,
'updated_at': timestamp,
'deleted_at': None,
'deleted': False,
'status': 'active',
'is_public': True,
'container_format': 'ami',
'disk_format': 'ami',
'properties': {'kernel_id': FLAGS.null_kernel,
'ramdisk_id': FLAGS.null_kernel}}
# NOTE(bcwaldon): was image '2'
image3 = {'id': '76fa36fc-c930-4bf3-8c8a-ea2a2420deb6',
'name': 'fakeimage123456',
'created_at': timestamp,
'updated_at': timestamp,
'deleted_at': None,
'deleted': False,
'status': 'active',
'is_public': True,
'container_format': None,
'disk_format': None,
'properties': {'kernel_id': FLAGS.null_kernel,
'ramdisk_id': FLAGS.null_kernel}}
# NOTE(bcwaldon): was image '1'
image4 = {'id': 'cedef40a-ed67-4d10-800e-17455edce175',
'name': 'fakeimage123456',
'created_at': timestamp,
'updated_at': timestamp,
'deleted_at': None,
'deleted': False,
'status': 'active',
'is_public': True,
'container_format': 'ami',
'disk_format': 'ami',
'properties': {'kernel_id': FLAGS.null_kernel,
'ramdisk_id': FLAGS.null_kernel}}
# NOTE(bcwaldon): was image '3'
image5 = {'id': 'c905cedb-7281-47e4-8a62-f26bc5fc4c77',
'name': 'fakeimage123456',
'created_at': timestamp,
'updated_at': timestamp,
'deleted_at': None,
'deleted': False,
'status': 'active',
'is_public': True,
'container_format': 'ami',
'disk_format': 'ami',
'properties': {'kernel_id':
'155d900f-4e14-4e4c-a73d-069cbf4541e6',
'ramdisk_id': None}}
# NOTE(sirp): was image '6'
image6 = {'id': 'a440c04b-79fa-479c-bed1-0b816eaec379',
'name': 'fakeimage6',
'created_at': timestamp,
'updated_at': timestamp,
'deleted_at': None,
'deleted': False,
'status': 'active',
'is_public': False,
'container_format': 'ova',
'disk_format': 'vhd',
'properties': {'kernel_id': FLAGS.null_kernel,
'ramdisk_id': FLAGS.null_kernel,
'architecture': 'x86_64',
'auto_disk_config': 'False'}}
# NOTE(sirp): was image '7'
image7 = {'id': '70a599e0-31e7-49b7-b260-868f441e862b',
'name': 'fakeimage7',
'created_at': timestamp,
'updated_at': timestamp,
'deleted_at': None,
'deleted': False,
'status': 'active',
'is_public': False,
'container_format': 'ova',
'disk_format': 'vhd',
'properties': {'kernel_id': FLAGS.null_kernel,
'ramdisk_id': FLAGS.null_kernel,
'architecture': 'x86_64',
'auto_disk_config': 'True'}}
self.create(None, image1)
self.create(None, image2)
self.create(None, image3)
self.create(None, image4)
self.create(None, image5)
self.create(None, image6)
self.create(None, image7)
self._imagedata = {}
super(_FakeImageService, self).__init__()
#TODO(bcwaldon): implement optional kwargs such as limit, sort_dir
def index(self, context, **kwargs):
"""Returns list of images."""
retval = []
for img in self.images.values():
retval += [dict([(k, v) for k, v in img.iteritems()
if k in ['id', 'name']])]
return retval
#TODO(bcwaldon): implement optional kwargs such as limit, sort_dir
def detail(self, context, **kwargs):
"""Return list of detailed image information."""
return copy.deepcopy(self.images.values())
def get(self, context, image_id, data):
metadata = self.show(context, image_id)
data.write(self._imagedata.get(image_id, ''))
return metadata
def show(self, context, image_id):
"""Get data about specified image.
Returns a dict containing image data for the given opaque image id.
"""
image = self.images.get(str(image_id))
if image:
return copy.deepcopy(image)
LOG.warn('Unable to find image id %s. Have images: %s',
image_id, self.images)
raise exception.ImageNotFound(image_id=image_id)
def show_by_name(self, context, name):
"""Returns a dict containing image data for the given name."""
images = copy.deepcopy(self.images.values())
for image in images:
if name == image.get('name'):
return image
raise exception.ImageNotFound(image_id=name)
def create(self, context, metadata, data=None):
"""Store the image data and return the new image id.
:raises: Duplicate if the image already exist.
"""
image_id = str(metadata.get('id', utils.gen_uuid()))
metadata['id'] = image_id
if image_id in self.images:
raise exception.Duplicate()
self.images[image_id] = copy.deepcopy(metadata)
if data:
self._imagedata[image_id] = data.read()
return self.images[image_id]
def update(self, context, image_id, metadata, data=None):
"""Replace the contents of the given image with the new data.
:raises: ImageNotFound if the image does not exist.
"""
if not self.images.get(image_id):
raise exception.ImageNotFound(image_id=image_id)
self.images[image_id] = copy.deepcopy(metadata)
def delete(self, context, image_id):
"""Delete the given image.
:raises: ImageNotFound if the image does not exist.
"""
removed = self.images.pop(image_id, None)
if not removed:
raise exception.ImageNotFound(image_id=image_id)
def delete_all(self):
"""Clears out all images."""
self.images.clear()
_fakeImageService = _FakeImageService()
def FakeImageService():
return _fakeImageService
def FakeImageService_reset():
global _fakeImageService
_fakeImageService = _FakeImageService()
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