nova/nova/tests/fixtures/glance.py

336 lines
10 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.
import copy
import datetime
import fixtures
from oslo_log import log as logging
from oslo_utils import uuidutils
from nova import exception
from nova.objects import fields as obj_fields
from nova.tests.fixtures import nova as nova_fixtures
LOG = logging.getLogger(__name__)
class GlanceFixture(fixtures.Fixture):
"""A fixture for simulating Glance."""
# NOTE(justinsb): The OpenStack API can't upload an image?
# So, make sure we've got one..
timestamp = datetime.datetime(2011, 1, 1, 1, 2, 3)
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',
'size': '25165824',
'min_ram': 0,
'min_disk': 0,
'protected': False,
'visibility': 'public',
'tags': ['tag1', 'tag2'],
'properties': {
'kernel_id': 'nokernel',
'ramdisk_id': 'nokernel',
'architecture': obj_fields.Architecture.X86_64,
},
}
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',
'size': '58145823',
'min_ram': 0,
'min_disk': 0,
'protected': False,
'visibility': 'public',
'tags': [],
'properties': {
'kernel_id': 'nokernel',
'ramdisk_id': 'nokernel',
},
}
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': 'bare',
'disk_format': 'raw',
'size': '83594576',
'min_ram': 0,
'min_disk': 0,
'protected': False,
'visibility': 'public',
'tags': ['tag3', 'tag4'],
'properties': {
'kernel_id': 'nokernel',
'ramdisk_id': 'nokernel',
'architecture': obj_fields.Architecture.X86_64,
},
}
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',
'size': '84035174',
'min_ram': 0,
'min_disk': 0,
'protected': False,
'visibility': 'public',
'tags': [],
'properties': {
'kernel_id': 'nokernel',
'ramdisk_id': 'nokernel',
},
}
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',
'size': '26360814',
'min_ram': 0,
'min_disk': 0,
'protected': False,
'visibility': 'public',
'tags': [],
'properties': {
'kernel_id': '155d900f-4e14-4e4c-a73d-069cbf4541e6',
'ramdisk_id': None,
},
}
auto_disk_config_disabled_image = {
'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',
'size': '49163826',
'min_ram': 0,
'min_disk': 0,
'protected': False,
'visibility': 'public',
'tags': [],
'properties': {
'kernel_id': 'nokernel',
'ramdisk_id': 'nokernel',
'architecture': obj_fields.Architecture.X86_64,
'auto_disk_config': 'False',
},
}
auto_disk_config_enabled_image = {
'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',
'size': '74185822',
'min_ram': 0,
'min_disk': 0,
'protected': False,
'visibility': 'public',
'tags': [],
'properties': {
'kernel_id': 'nokernel',
'ramdisk_id': 'nokernel',
'architecture': obj_fields.Architecture.X86_64,
'auto_disk_config': 'True',
},
}
def __init__(self, test):
super().__init__()
self.test = test
self.images = {}
def setUp(self):
super().setUp()
self.test.useFixture(nova_fixtures.ConfPatcher(
group='glance', api_servers=['http://localhost:9292']))
self.test.stub_out(
'nova.image.glance.API.get_remote_image_service',
lambda context, image_href: (self, image_href))
self.test.stub_out(
'nova.image.glance.get_default_image_service',
lambda: self)
self.create(None, self.image1)
self.create(None, self.image2)
self.create(None, self.image3)
self.create(None, self.image4)
self.create(None, self.image5)
self.create(None, self.auto_disk_config_disabled_image)
self.create(None, self.auto_disk_config_enabled_image)
self._imagedata = {}
# TODO(bcwaldon): implement optional kwargs such as limit, sort_dir
def detail(self, context, **kwargs):
"""Return list of detailed image information."""
return copy.deepcopy(list(self.images.values()))
def download(
self, context, image_id, data=None, dst_path=None, trusted_certs=None,
):
self.show(context, image_id)
if data:
data.write(self._imagedata.get(image_id, b''))
elif dst_path:
with open(dst_path, 'wb') as data:
data.write(self._imagedata.get(image_id, b''))
def show(
self, context, image_id, include_locations=False, show_deleted=True,
):
"""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.warning(
'Unable to find image id %s. Have images: %s',
image_id, self.images)
raise exception.ImageNotFound(image_id=image_id)
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', uuidutils.generate_uuid()))
metadata['id'] = image_id
if image_id in self.images:
raise exception.CouldNotUploadImage(image_id=image_id)
image_meta = copy.deepcopy(metadata)
# Glance sets the size value when an image is created, so we
# need to do that here to fake things out if it's not provided
# by the caller. This is needed to avoid a KeyError in the
# image-size API.
if 'size' not in image_meta:
image_meta['size'] = None
# Similarly, Glance provides the status on the image once it's created
# and this is checked in the compute API when booting a server from
# this image, so we just fake it out to be 'active' even though this
# is mostly a lie on a newly created image.
if 'status' not in metadata:
image_meta['status'] = 'active'
# The owner of the image is by default the request context project_id.
if context and 'owner' not in image_meta.get('properties', {}):
# Note that normally "owner" is a top-level field in an image
# resource in glance but we have to fake this out for the images
# proxy API by throwing it into the generic "properties" dict.
image_meta.get('properties', {})['owner'] = context.project_id
self.images[image_id] = image_meta
if data:
self._imagedata[image_id] = data.read()
return self.images[image_id]
def update(self, context, image_id, metadata, data=None,
purge_props=False):
"""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)
if purge_props:
self.images[image_id] = copy.deepcopy(metadata)
else:
image = self.images[image_id]
try:
image['properties'].update(metadata.pop('properties'))
except KeyError:
pass
image.update(metadata)
return self.images[image_id]
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 get_location(self, context, image_id):
if image_id in self.images:
return 'fake_location'
return None