272 lines
9.9 KiB
Python
272 lines
9.9 KiB
Python
# Copyright 2011 Justin Santa Barbara
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# Copyright 2012 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Implementation of a fake image service."""
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import copy
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import datetime
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from unittest import mock
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import uuid
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from cinder import exception
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import cinder.image.glance
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from cinder.tests.unit import fake_constants
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class _FakeImageService(object):
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"""Mock (fake) image service for unit testing."""
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def __init__(self):
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self.images = {}
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# NOTE(justinsb): The OpenStack API can't upload an image?
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# So, make sure we've got one..
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timestamp = datetime.datetime(2011, 1, 1, 1, 2, 3)
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image1 = {'id': fake_constants.IMAGE_ID,
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'name': 'fakeimage123456',
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'created_at': timestamp,
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'updated_at': timestamp,
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'deleted_at': None,
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'deleted': False,
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'status': 'active',
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'visibility': 'private',
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'protected': False,
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'container_format': 'raw',
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'disk_format': 'raw',
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'properties': {'kernel_id': 'nokernel',
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'ramdisk_id': 'nokernel',
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'architecture': 'x86_64'},
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'size': 12345678}
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image2 = {'id': 'a2459075-d96c-40d5-893e-577ff92e721c',
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'name': 'fakeimage123456',
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'created_at': timestamp,
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'updated_at': timestamp,
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'deleted_at': None,
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'deleted': False,
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'status': 'active',
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'visibility': 'public',
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'protected': True,
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'container_format': 'ami',
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'disk_format': 'ami',
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'properties': {'kernel_id': 'nokernel',
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'ramdisk_id': 'nokernel'},
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'size': 1}
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image3 = {'id': '76fa36fc-c930-4bf3-8c8a-ea2a2420deb6',
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'name': 'fakeimage123456',
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'created_at': timestamp,
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'updated_at': timestamp,
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'deleted_at': None,
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'deleted': False,
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'status': 'active',
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'visibility': 'public',
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'protected': True,
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'container_format': None,
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'disk_format': None,
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'properties': {'kernel_id': 'nokernel',
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'ramdisk_id': 'nokernel'},
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'size': 1000000000000}
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image4 = {'id': 'cedef40a-ed67-4d10-800e-17455edce175',
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'name': 'fakeimage123456',
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'created_at': timestamp,
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'updated_at': timestamp,
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'deleted_at': None,
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'deleted': False,
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'status': 'active',
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'visibility': 'public',
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'protected': True,
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'container_format': 'ami',
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'disk_format': 'ami',
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'properties': {'kernel_id': 'nokernel',
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'ramdisk_id': 'nokernel'},
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'size': 20000000}
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image5 = {'id': 'c905cedb-7281-47e4-8a62-f26bc5fc4c77',
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'name': 'fakeimage123456',
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'created_at': timestamp,
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'updated_at': timestamp,
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'deleted_at': None,
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'deleted': False,
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'status': 'active',
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'visibility': 'public',
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'protected': True,
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'container_format': 'ami',
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'disk_format': 'ami',
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'properties': {
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'kernel_id': '155d900f-4e14-4e4c-a73d-069cbf4541e6',
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'ramdisk_id': None},
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'size': 50000}
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image6 = {'id': 'a440c04b-79fa-479c-bed1-0b816eaec379',
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'name': 'fakeimage6',
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'created_at': timestamp,
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'updated_at': timestamp,
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'deleted_at': None,
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'deleted': False,
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'status': 'active',
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'visibility': 'public',
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'protected': False,
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'container_format': 'ova',
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'disk_format': 'vhd',
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'properties': {'kernel_id': 'nokernel',
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'ramdisk_id': 'nokernel',
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'architecture': 'x86_64',
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'auto_disk_config': 'False'},
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'size': 7777777}
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image7 = {'id': '70a599e0-31e7-49b7-b260-868f441e862b',
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'name': 'fakeimage7',
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'created_at': timestamp,
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'updated_at': timestamp,
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'deleted_at': None,
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'deleted': False,
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'status': 'active',
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'visibility': 'public',
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'protected': False,
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'container_format': 'ova',
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'disk_format': 'vhd',
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'properties': {'kernel_id': 'nokernel',
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'ramdisk_id': 'nokernel',
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'architecture': 'x86_64',
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'auto_disk_config': 'True'},
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'size': 1234000000}
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image8 = {'id': 'b0a599e0-41d7-3582-b260-769f443c862a',
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'name': 'fakeimage8',
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'created_at': timestamp,
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'updated_at': timestamp,
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'deleted_at': None,
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'deleted': False,
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'status': 'active',
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'is_public': False,
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'container_format': 'bare',
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'disk_format': 'raw',
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'properties':
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{'block_device_mapping': [
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{'boot_index': 0, 'source_type': 'snapshot',
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'snapshot_id': fake_constants.SNAPSHOT_ID}],
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'ramdisk_id': 'nokernel',
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'architecture': 'x86_64',
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'auto_disk_config': 'True'}}
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self.create(None, image1)
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self.create(None, image2)
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self.create(None, image3)
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self.create(None, image4)
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self.create(None, image5)
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self.create(None, image6)
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self.create(None, image7)
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self.create(None, image8)
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self._imagedata = {}
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self.temp_images = mock.MagicMock()
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super(_FakeImageService, self).__init__()
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# TODO(bcwaldon): implement optional kwargs such as limit, sort_dir
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def detail(self, context, **kwargs):
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"""Return list of detailed image information."""
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return copy.deepcopy(self.images.values())
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def download(self, context, image_id, data):
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self.show(context, image_id)
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data.write(self._imagedata.get(image_id, ''))
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def show(self, context, image_id):
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"""Get data about specified image.
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Returns a dict containing image data for the given opaque image id.
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"""
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image = self.images.get(str(image_id))
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if image:
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return copy.deepcopy(image)
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raise exception.ImageNotFound(image_id=image_id)
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def create(self, context, metadata, data=None):
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"""Store the image data and return the new image id.
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:raises Duplicate: if the image already exist.
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"""
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image_id = str(metadata.get('id', uuid.uuid4()))
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metadata['id'] = image_id
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if image_id in self.images:
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raise exception.Duplicate()
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self.images[image_id] = copy.deepcopy(metadata)
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if data:
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self._imagedata[image_id] = data.read()
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return self.images[image_id]
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def update(self, context, image_id, metadata, data=None,
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purge_props=False, store_id=None):
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"""Replace the contents of the given image with the new data.
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:raises ImageNotFound: if the image does not exist.
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"""
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if not self.images.get(image_id):
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raise exception.ImageNotFound(image_id=image_id)
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if purge_props:
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self.images[image_id] = copy.deepcopy(metadata)
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else:
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image = self.images[image_id]
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try:
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image['properties'].update(metadata.pop('properties'))
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except Exception:
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pass
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image.update(metadata)
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return self.images[image_id]
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def delete(self, context, image_id):
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"""Delete the given image.
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:raises ImageNotFound: if the image does not exist.
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"""
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removed = self.images.pop(image_id, None)
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if not removed:
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raise exception.ImageNotFound(image_id=image_id)
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def get_location(self, context, image_id):
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if image_id in self.images:
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return 'fake_location'
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return None
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def add_location(self, context, image_id, url, metadata):
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self.update(context, image_id, {'locations': [{'url': url,
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'metadata': metadata}]})
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return True
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_fakeImageService = _FakeImageService()
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def FakeImageService():
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return _fakeImageService
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def FakeImageService_reset():
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global _fakeImageService
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_fakeImageService = _FakeImageService()
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def mock_image_service(testcase):
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testcase.mock_object(cinder.image.glance, 'get_remote_image_service',
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lambda x, y: (FakeImageService(), y))
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testcase.mock_object(cinder.image.glance, 'get_default_image_service',
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mock.Mock(side_effect=FakeImageService))
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