884 lines
32 KiB
Python
884 lines
32 KiB
Python
# Copyright 2011 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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"""
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Tests a Glance API server which uses the caching middleware that
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uses the default SQLite cache driver. We use the filesystem store,
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but that is really not relevant, as the image cache is transparent
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to the backend store.
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"""
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import hashlib
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import os
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import shutil
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import sys
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import time
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import httplib2
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from oslo.serialization import jsonutils
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from oslo.utils import units
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from six.moves import xrange
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from glance.tests import functional
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from glance.tests.functional.store_utils import get_http_uri
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from glance.tests.functional.store_utils import setup_http
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from glance.tests.utils import execute
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from glance.tests.utils import minimal_headers
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from glance.tests.utils import skip_if_disabled
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from glance.tests.utils import xattr_writes_supported
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FIVE_KB = 5 * units.Ki
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class BaseCacheMiddlewareTest(object):
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@skip_if_disabled
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def test_cache_middleware_transparent_v1(self):
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"""
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We test that putting the cache middleware into the
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application pipeline gives us transparent image caching
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"""
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self.cleanup()
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self.start_servers(**self.__dict__.copy())
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# Add an image and verify a 200 OK is returned
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image_data = "*" * FIVE_KB
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headers = minimal_headers('Image1')
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path = "http://%s:%d/v1/images" % ("127.0.0.1", self.api_port)
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http = httplib2.Http()
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response, content = http.request(path, 'POST', headers=headers,
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body=image_data)
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self.assertEqual(201, response.status)
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data = jsonutils.loads(content)
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self.assertEqual(hashlib.md5(image_data).hexdigest(),
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data['image']['checksum'])
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self.assertEqual(FIVE_KB, data['image']['size'])
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self.assertEqual("Image1", data['image']['name'])
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self.assertTrue(data['image']['is_public'])
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image_id = data['image']['id']
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# Verify image not in cache
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image_cached_path = os.path.join(self.api_server.image_cache_dir,
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image_id)
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self.assertFalse(os.path.exists(image_cached_path))
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# Grab the image
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path = "http://%s:%d/v1/images/%s" % ("127.0.0.1", self.api_port,
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image_id)
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(200, response.status)
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# Verify image now in cache
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image_cached_path = os.path.join(self.api_server.image_cache_dir,
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image_id)
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# You might wonder why the heck this is here... well, it's here
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# because it took me forever to figure out that the disk write
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# cache in Linux was causing random failures of the os.path.exists
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# assert directly below this. Basically, since the cache is writing
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# the image file to disk in a different process, the write buffers
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# don't flush the cache file during an os.rename() properly, resulting
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# in a false negative on the file existence check below. This little
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# loop pauses the execution of this process for no more than 1.5
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# seconds. If after that time the cached image file still doesn't
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# appear on disk, something really is wrong, and the assert should
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# trigger...
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i = 0
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while not os.path.exists(image_cached_path) and i < 30:
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time.sleep(0.05)
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i = i + 1
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self.assertTrue(os.path.exists(image_cached_path))
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# Now, we delete the image from the server and verify that
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# the image cache no longer contains the deleted image
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path = "http://%s:%d/v1/images/%s" % ("127.0.0.1", self.api_port,
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image_id)
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http = httplib2.Http()
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response, content = http.request(path, 'DELETE')
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self.assertEqual(200, response.status)
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self.assertFalse(os.path.exists(image_cached_path))
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self.stop_servers()
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@skip_if_disabled
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def test_cache_middleware_transparent_v2(self):
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"""Ensure the v2 API image transfer calls trigger caching"""
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self.cleanup()
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self.start_servers(**self.__dict__.copy())
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# Add an image and verify success
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path = "http://%s:%d/v2/images" % ("0.0.0.0", self.api_port)
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http = httplib2.Http()
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headers = {'content-type': 'application/json'}
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image_entity = {
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'name': 'Image1',
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'visibility': 'public',
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'container_format': 'bare',
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'disk_format': 'raw',
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}
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response, content = http.request(path, 'POST',
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headers=headers,
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body=jsonutils.dumps(image_entity))
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self.assertEqual(201, response.status)
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data = jsonutils.loads(content)
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image_id = data['id']
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path = "http://%s:%d/v2/images/%s/file" % ("0.0.0.0", self.api_port,
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image_id)
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headers = {'content-type': 'application/octet-stream'}
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image_data = "*" * FIVE_KB
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response, content = http.request(path, 'PUT',
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headers=headers,
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body=image_data)
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self.assertEqual(204, response.status)
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# Verify image not in cache
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image_cached_path = os.path.join(self.api_server.image_cache_dir,
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image_id)
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self.assertFalse(os.path.exists(image_cached_path))
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# Grab the image
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(200, response.status)
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# Verify image now in cache
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image_cached_path = os.path.join(self.api_server.image_cache_dir,
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image_id)
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# Now, we delete the image from the server and verify that
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# the image cache no longer contains the deleted image
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path = "http://%s:%d/v2/images/%s" % ("0.0.0.0", self.api_port,
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image_id)
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http = httplib2.Http()
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response, content = http.request(path, 'DELETE')
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self.assertEqual(204, response.status)
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self.assertFalse(os.path.exists(image_cached_path))
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self.stop_servers()
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@skip_if_disabled
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def test_cache_remote_image(self):
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"""
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We test that caching is no longer broken for remote images
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"""
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self.cleanup()
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self.start_servers(**self.__dict__.copy())
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setup_http(self)
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# Add a remote image and verify a 201 Created is returned
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remote_uri = get_http_uri(self, '2')
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headers = {'X-Image-Meta-Name': 'Image2',
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'X-Image-Meta-disk_format': 'raw',
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'X-Image-Meta-container_format': 'ovf',
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'X-Image-Meta-Is-Public': 'True',
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'X-Image-Meta-Location': remote_uri}
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path = "http://%s:%d/v1/images" % ("127.0.0.1", self.api_port)
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http = httplib2.Http()
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response, content = http.request(path, 'POST', headers=headers)
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self.assertEqual(201, response.status)
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data = jsonutils.loads(content)
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self.assertEqual(FIVE_KB, data['image']['size'])
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image_id = data['image']['id']
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path = "http://%s:%d/v1/images/%s" % ("127.0.0.1", self.api_port,
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image_id)
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# Grab the image
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(200, response.status)
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# Grab the image again to ensure it can be served out from
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# cache with the correct size
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(200, response.status)
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self.assertEqual(FIVE_KB, int(response['content-length']))
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self.stop_servers()
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@skip_if_disabled
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def test_cache_middleware_trans_v1_without_download_image_policy(self):
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"""
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Ensure the image v1 API image transfer applied 'download_image'
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policy enforcement.
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"""
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self.cleanup()
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self.start_servers(**self.__dict__.copy())
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# Add an image and verify a 200 OK is returned
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image_data = "*" * FIVE_KB
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headers = minimal_headers('Image1')
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path = "http://%s:%d/v1/images" % ("127.0.0.1", self.api_port)
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http = httplib2.Http()
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response, content = http.request(path, 'POST', headers=headers,
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body=image_data)
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self.assertEqual(201, response.status)
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data = jsonutils.loads(content)
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self.assertEqual(hashlib.md5(image_data).hexdigest(),
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data['image']['checksum'])
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self.assertEqual(FIVE_KB, data['image']['size'])
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self.assertEqual("Image1", data['image']['name'])
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self.assertTrue(data['image']['is_public'])
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image_id = data['image']['id']
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# Verify image not in cache
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image_cached_path = os.path.join(self.api_server.image_cache_dir,
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image_id)
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self.assertFalse(os.path.exists(image_cached_path))
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rules = {"context_is_admin": "role:admin", "default": "",
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"download_image": "!"}
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self.set_policy_rules(rules)
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# Grab the image
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path = "http://%s:%d/v1/images/%s" % ("127.0.0.1", self.api_port,
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image_id)
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(403, response.status)
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# Now, we delete the image from the server and verify that
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# the image cache no longer contains the deleted image
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path = "http://%s:%d/v1/images/%s" % ("127.0.0.1", self.api_port,
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image_id)
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http = httplib2.Http()
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response, content = http.request(path, 'DELETE')
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self.assertEqual(200, response.status)
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self.assertFalse(os.path.exists(image_cached_path))
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self.stop_servers()
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@skip_if_disabled
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def test_cache_middleware_trans_v2_without_download_image_policy(self):
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"""
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Ensure the image v2 API image transfer applied 'download_image'
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policy enforcement.
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"""
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self.cleanup()
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self.start_servers(**self.__dict__.copy())
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# Add an image and verify success
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path = "http://%s:%d/v2/images" % ("0.0.0.0", self.api_port)
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http = httplib2.Http()
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headers = {'content-type': 'application/json'}
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image_entity = {
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'name': 'Image1',
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'visibility': 'public',
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'container_format': 'bare',
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'disk_format': 'raw',
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}
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response, content = http.request(path, 'POST',
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headers=headers,
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body=jsonutils.dumps(image_entity))
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self.assertEqual(201, response.status)
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data = jsonutils.loads(content)
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image_id = data['id']
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path = "http://%s:%d/v2/images/%s/file" % ("0.0.0.0", self.api_port,
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image_id)
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headers = {'content-type': 'application/octet-stream'}
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image_data = "*" * FIVE_KB
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response, content = http.request(path, 'PUT',
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headers=headers,
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body=image_data)
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self.assertEqual(204, response.status)
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# Verify image not in cache
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image_cached_path = os.path.join(self.api_server.image_cache_dir,
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image_id)
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self.assertFalse(os.path.exists(image_cached_path))
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rules = {"context_is_admin": "role:admin", "default": "",
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"download_image": "!"}
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self.set_policy_rules(rules)
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# Grab the image
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(403, response.status)
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# Now, we delete the image from the server and verify that
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# the image cache no longer contains the deleted image
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path = "http://%s:%d/v2/images/%s" % ("0.0.0.0", self.api_port,
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image_id)
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http = httplib2.Http()
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response, content = http.request(path, 'DELETE')
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self.assertEqual(204, response.status)
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self.assertFalse(os.path.exists(image_cached_path))
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self.stop_servers()
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class BaseCacheManageMiddlewareTest(object):
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"""Base test class for testing cache management middleware"""
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def verify_no_images(self):
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path = "http://%s:%d/v1/images" % ("127.0.0.1", self.api_port)
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(200, response.status)
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data = jsonutils.loads(content)
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self.assertTrue('images' in data)
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self.assertEqual(0, len(data['images']))
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def add_image(self, name):
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"""
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Adds an image and returns the newly-added image
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identifier
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"""
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image_data = "*" * FIVE_KB
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headers = minimal_headers('%s' % name)
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path = "http://%s:%d/v1/images" % ("127.0.0.1", self.api_port)
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http = httplib2.Http()
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response, content = http.request(path, 'POST', headers=headers,
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body=image_data)
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self.assertEqual(201, response.status)
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data = jsonutils.loads(content)
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self.assertEqual(hashlib.md5(image_data).hexdigest(),
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data['image']['checksum'])
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self.assertEqual(FIVE_KB, data['image']['size'])
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self.assertEqual(name, data['image']['name'])
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self.assertTrue(data['image']['is_public'])
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return data['image']['id']
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def verify_no_cached_images(self):
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"""
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Verify no images in the image cache
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"""
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path = "http://%s:%d/v1/cached_images" % ("127.0.0.1", self.api_port)
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(200, response.status)
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data = jsonutils.loads(content)
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self.assertTrue('cached_images' in data)
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self.assertEqual([], data['cached_images'])
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@skip_if_disabled
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def test_user_not_authorized(self):
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self.cleanup()
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self.start_servers(**self.__dict__.copy())
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self.verify_no_images()
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image_id1 = self.add_image("Image1")
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image_id2 = self.add_image("Image2")
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# Verify image does not yet show up in cache (we haven't "hit"
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# it yet using a GET /images/1 ...
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self.verify_no_cached_images()
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# Grab the image
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path = "http://%s:%d/v1/images/%s" % ("127.0.0.1", self.api_port,
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image_id1)
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(200, response.status)
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# Verify image now in cache
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path = "http://%s:%d/v1/cached_images" % ("127.0.0.1", self.api_port)
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(200, response.status)
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data = jsonutils.loads(content)
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self.assertTrue('cached_images' in data)
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cached_images = data['cached_images']
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self.assertEqual(1, len(cached_images))
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self.assertEqual(image_id1, cached_images[0]['image_id'])
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# Set policy to disallow access to cache management
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rules = {"manage_image_cache": '!'}
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self.set_policy_rules(rules)
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# Verify an unprivileged user cannot see cached images
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path = "http://%s:%d/v1/cached_images" % ("127.0.0.1", self.api_port)
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(403, response.status)
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# Verify an unprivileged user cannot delete images from the cache
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path = "http://%s:%d/v1/cached_images/%s" % ("127.0.0.1",
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self.api_port, image_id1)
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http = httplib2.Http()
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response, content = http.request(path, 'DELETE')
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self.assertEqual(403, response.status)
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# Verify an unprivileged user cannot delete all cached images
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path = "http://%s:%d/v1/cached_images" % ("127.0.0.1", self.api_port)
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http = httplib2.Http()
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response, content = http.request(path, 'DELETE')
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self.assertEqual(403, response.status)
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# Verify an unprivileged user cannot queue an image
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path = "http://%s:%d/v1/queued_images/%s" % ("127.0.0.1",
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self.api_port, image_id2)
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http = httplib2.Http()
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response, content = http.request(path, 'PUT')
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self.assertEqual(403, response.status)
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self.stop_servers()
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@skip_if_disabled
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def test_cache_manage_get_cached_images(self):
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"""
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Tests that cached images are queryable
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"""
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self.cleanup()
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self.start_servers(**self.__dict__.copy())
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self.verify_no_images()
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image_id = self.add_image("Image1")
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# Verify image does not yet show up in cache (we haven't "hit"
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# it yet using a GET /images/1 ...
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self.verify_no_cached_images()
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# Grab the image
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path = "http://%s:%d/v1/images/%s" % ("127.0.0.1", self.api_port,
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image_id)
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(200, response.status)
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# Verify image now in cache
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path = "http://%s:%d/v1/cached_images" % ("127.0.0.1", self.api_port)
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http = httplib2.Http()
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response, content = http.request(path, 'GET')
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self.assertEqual(200, response.status)
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data = jsonutils.loads(content)
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self.assertTrue('cached_images' in data)
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# Verify the last_modified/last_accessed values are valid floats
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for cached_image in data['cached_images']:
|
|
for time_key in ('last_modified', 'last_accessed'):
|
|
time_val = cached_image[time_key]
|
|
try:
|
|
float(time_val)
|
|
except ValueError:
|
|
self.fail('%s time %s for cached image %s not a valid '
|
|
'float' % (time_key, time_val,
|
|
cached_image['image_id']))
|
|
|
|
cached_images = data['cached_images']
|
|
self.assertEqual(1, len(cached_images))
|
|
self.assertEqual(image_id, cached_images[0]['image_id'])
|
|
self.assertEqual(0, cached_images[0]['hits'])
|
|
|
|
# Hit the image
|
|
path = "http://%s:%d/v1/images/%s" % ("127.0.0.1", self.api_port,
|
|
image_id)
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'GET')
|
|
self.assertEqual(200, response.status)
|
|
|
|
# Verify image hits increased in output of manage GET
|
|
path = "http://%s:%d/v1/cached_images" % ("127.0.0.1", self.api_port)
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'GET')
|
|
self.assertEqual(200, response.status)
|
|
|
|
data = jsonutils.loads(content)
|
|
self.assertTrue('cached_images' in data)
|
|
|
|
cached_images = data['cached_images']
|
|
self.assertEqual(1, len(cached_images))
|
|
self.assertEqual(image_id, cached_images[0]['image_id'])
|
|
self.assertEqual(1, cached_images[0]['hits'])
|
|
|
|
self.stop_servers()
|
|
|
|
@skip_if_disabled
|
|
def test_cache_manage_delete_cached_images(self):
|
|
"""
|
|
Tests that cached images may be deleted
|
|
"""
|
|
self.cleanup()
|
|
self.start_servers(**self.__dict__.copy())
|
|
|
|
self.verify_no_images()
|
|
|
|
ids = {}
|
|
|
|
# Add a bunch of images...
|
|
for x in xrange(4):
|
|
ids[x] = self.add_image("Image%s" % str(x))
|
|
|
|
# Verify no images in cached_images because no image has been hit
|
|
# yet using a GET /images/<IMAGE_ID> ...
|
|
self.verify_no_cached_images()
|
|
|
|
# Grab the images, essentially caching them...
|
|
for x in xrange(4):
|
|
path = "http://%s:%d/v1/images/%s" % ("127.0.0.1", self.api_port,
|
|
ids[x])
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'GET')
|
|
self.assertEqual(200, response.status,
|
|
"Failed to find image %s" % ids[x])
|
|
|
|
# Verify images now in cache
|
|
path = "http://%s:%d/v1/cached_images" % ("127.0.0.1", self.api_port)
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'GET')
|
|
self.assertEqual(200, response.status)
|
|
|
|
data = jsonutils.loads(content)
|
|
self.assertTrue('cached_images' in data)
|
|
|
|
cached_images = data['cached_images']
|
|
self.assertEqual(4, len(cached_images))
|
|
|
|
for x in xrange(4, 0): # Cached images returned last modified order
|
|
self.assertEqual(ids[x], cached_images[x]['image_id'])
|
|
self.assertEqual(0, cached_images[x]['hits'])
|
|
|
|
# Delete third image of the cached images and verify no longer in cache
|
|
path = "http://%s:%d/v1/cached_images/%s" % ("127.0.0.1",
|
|
self.api_port, ids[2])
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'DELETE')
|
|
self.assertEqual(200, response.status)
|
|
|
|
path = "http://%s:%d/v1/cached_images" % ("127.0.0.1", self.api_port)
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'GET')
|
|
self.assertEqual(200, response.status)
|
|
|
|
data = jsonutils.loads(content)
|
|
self.assertTrue('cached_images' in data)
|
|
|
|
cached_images = data['cached_images']
|
|
self.assertEqual(3, len(cached_images))
|
|
self.assertTrue(ids[2] not in [x['image_id'] for x in cached_images])
|
|
|
|
# Delete all cached images and verify nothing in cache
|
|
path = "http://%s:%d/v1/cached_images" % ("127.0.0.1", self.api_port)
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'DELETE')
|
|
self.assertEqual(200, response.status)
|
|
|
|
path = "http://%s:%d/v1/cached_images" % ("127.0.0.1", self.api_port)
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'GET')
|
|
self.assertEqual(200, response.status)
|
|
|
|
data = jsonutils.loads(content)
|
|
self.assertTrue('cached_images' in data)
|
|
|
|
cached_images = data['cached_images']
|
|
self.assertEqual(0, len(cached_images))
|
|
|
|
self.stop_servers()
|
|
|
|
@skip_if_disabled
|
|
def test_cache_manage_delete_queued_images(self):
|
|
"""
|
|
Tests that all queued images may be deleted at once
|
|
"""
|
|
self.cleanup()
|
|
self.start_servers(**self.__dict__.copy())
|
|
|
|
self.verify_no_images()
|
|
|
|
ids = {}
|
|
NUM_IMAGES = 4
|
|
|
|
# Add and then queue some images
|
|
for x in xrange(NUM_IMAGES):
|
|
ids[x] = self.add_image("Image%s" % str(x))
|
|
path = "http://%s:%d/v1/queued_images/%s" % ("127.0.0.1",
|
|
self.api_port, ids[x])
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'PUT')
|
|
self.assertEqual(200, response.status)
|
|
|
|
# Delete all queued images
|
|
path = "http://%s:%d/v1/queued_images" % ("127.0.0.1", self.api_port)
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'DELETE')
|
|
self.assertEqual(200, response.status)
|
|
|
|
data = jsonutils.loads(content)
|
|
num_deleted = data['num_deleted']
|
|
self.assertEqual(NUM_IMAGES, num_deleted)
|
|
|
|
# Verify a second delete now returns num_deleted=0
|
|
path = "http://%s:%d/v1/queued_images" % ("127.0.0.1", self.api_port)
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'DELETE')
|
|
self.assertEqual(200, response.status)
|
|
|
|
data = jsonutils.loads(content)
|
|
num_deleted = data['num_deleted']
|
|
self.assertEqual(0, num_deleted)
|
|
|
|
self.stop_servers()
|
|
|
|
@skip_if_disabled
|
|
def test_queue_and_prefetch(self):
|
|
"""
|
|
Tests that images may be queued and prefetched
|
|
"""
|
|
self.cleanup()
|
|
self.start_servers(**self.__dict__.copy())
|
|
|
|
cache_config_filepath = os.path.join(self.test_dir, 'etc',
|
|
'glance-cache.conf')
|
|
cache_file_options = {
|
|
'image_cache_dir': self.api_server.image_cache_dir,
|
|
'image_cache_driver': self.image_cache_driver,
|
|
'registry_port': self.registry_server.bind_port,
|
|
'log_file': os.path.join(self.test_dir, 'cache.log'),
|
|
'metadata_encryption_key': "012345678901234567890123456789ab"
|
|
}
|
|
with open(cache_config_filepath, 'w') as cache_file:
|
|
cache_file.write("""[DEFAULT]
|
|
debug = True
|
|
verbose = True
|
|
image_cache_dir = %(image_cache_dir)s
|
|
image_cache_driver = %(image_cache_driver)s
|
|
registry_host = 127.0.0.1
|
|
registry_port = %(registry_port)s
|
|
metadata_encryption_key = %(metadata_encryption_key)s
|
|
log_file = %(log_file)s
|
|
""" % cache_file_options)
|
|
|
|
self.verify_no_images()
|
|
|
|
ids = {}
|
|
|
|
# Add a bunch of images...
|
|
for x in xrange(4):
|
|
ids[x] = self.add_image("Image%s" % str(x))
|
|
|
|
# Queue the first image, verify no images still in cache after queueing
|
|
# then run the prefetcher and verify that the image is then in the
|
|
# cache
|
|
path = "http://%s:%d/v1/queued_images/%s" % ("127.0.0.1",
|
|
self.api_port, ids[0])
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'PUT')
|
|
self.assertEqual(200, response.status)
|
|
|
|
self.verify_no_cached_images()
|
|
|
|
cmd = ("%s -m glance.cmd.cache_prefetcher --config-file %s" %
|
|
(sys.executable, cache_config_filepath))
|
|
|
|
exitcode, out, err = execute(cmd)
|
|
|
|
self.assertEqual(0, exitcode)
|
|
self.assertEqual('', out.strip(), out)
|
|
|
|
# Verify first image now in cache
|
|
path = "http://%s:%d/v1/cached_images" % ("127.0.0.1", self.api_port)
|
|
http = httplib2.Http()
|
|
response, content = http.request(path, 'GET')
|
|
self.assertEqual(200, response.status)
|
|
|
|
data = jsonutils.loads(content)
|
|
self.assertTrue('cached_images' in data)
|
|
|
|
cached_images = data['cached_images']
|
|
self.assertEqual(1, len(cached_images))
|
|
self.assertTrue(ids[0] in [r['image_id']
|
|
for r in data['cached_images']])
|
|
|
|
self.stop_servers()
|
|
|
|
|
|
class TestImageCacheXattr(functional.FunctionalTest,
|
|
BaseCacheMiddlewareTest):
|
|
|
|
"""Functional tests that exercise the image cache using the xattr driver"""
|
|
|
|
def setUp(self):
|
|
"""
|
|
Test to see if the pre-requisites for the image cache
|
|
are working (python-xattr installed and xattr support on the
|
|
filesystem)
|
|
"""
|
|
if getattr(self, 'disabled', False):
|
|
return
|
|
|
|
if not getattr(self, 'inited', False):
|
|
try:
|
|
import xattr # noqa
|
|
except ImportError:
|
|
self.inited = True
|
|
self.disabled = True
|
|
self.disabled_message = ("python-xattr not installed.")
|
|
return
|
|
|
|
self.inited = True
|
|
self.disabled = False
|
|
self.image_cache_driver = "xattr"
|
|
|
|
super(TestImageCacheXattr, self).setUp()
|
|
|
|
self.api_server.deployment_flavor = "caching"
|
|
|
|
if not xattr_writes_supported(self.test_dir):
|
|
self.inited = True
|
|
self.disabled = True
|
|
self.disabled_message = ("filesystem does not support xattr")
|
|
return
|
|
|
|
def tearDown(self):
|
|
super(TestImageCacheXattr, self).tearDown()
|
|
if os.path.exists(self.api_server.image_cache_dir):
|
|
shutil.rmtree(self.api_server.image_cache_dir)
|
|
|
|
|
|
class TestImageCacheManageXattr(functional.FunctionalTest,
|
|
BaseCacheManageMiddlewareTest):
|
|
|
|
"""
|
|
Functional tests that exercise the image cache management
|
|
with the Xattr cache driver
|
|
"""
|
|
|
|
def setUp(self):
|
|
"""
|
|
Test to see if the pre-requisites for the image cache
|
|
are working (python-xattr installed and xattr support on the
|
|
filesystem)
|
|
"""
|
|
if getattr(self, 'disabled', False):
|
|
return
|
|
|
|
if not getattr(self, 'inited', False):
|
|
try:
|
|
import xattr # noqa
|
|
except ImportError:
|
|
self.inited = True
|
|
self.disabled = True
|
|
self.disabled_message = ("python-xattr not installed.")
|
|
return
|
|
|
|
self.inited = True
|
|
self.disabled = False
|
|
self.image_cache_driver = "xattr"
|
|
|
|
super(TestImageCacheManageXattr, self).setUp()
|
|
|
|
self.api_server.deployment_flavor = "cachemanagement"
|
|
|
|
if not xattr_writes_supported(self.test_dir):
|
|
self.inited = True
|
|
self.disabled = True
|
|
self.disabled_message = ("filesystem does not support xattr")
|
|
return
|
|
|
|
def tearDown(self):
|
|
super(TestImageCacheManageXattr, self).tearDown()
|
|
if os.path.exists(self.api_server.image_cache_dir):
|
|
shutil.rmtree(self.api_server.image_cache_dir)
|
|
|
|
|
|
class TestImageCacheSqlite(functional.FunctionalTest,
|
|
BaseCacheMiddlewareTest):
|
|
|
|
"""
|
|
Functional tests that exercise the image cache using the
|
|
SQLite driver
|
|
"""
|
|
|
|
def setUp(self):
|
|
"""
|
|
Test to see if the pre-requisites for the image cache
|
|
are working (python-xattr installed and xattr support on the
|
|
filesystem)
|
|
"""
|
|
if getattr(self, 'disabled', False):
|
|
return
|
|
|
|
if not getattr(self, 'inited', False):
|
|
try:
|
|
import sqlite3 # noqa
|
|
except ImportError:
|
|
self.inited = True
|
|
self.disabled = True
|
|
self.disabled_message = ("python-sqlite3 not installed.")
|
|
return
|
|
|
|
self.inited = True
|
|
self.disabled = False
|
|
|
|
super(TestImageCacheSqlite, self).setUp()
|
|
|
|
self.api_server.deployment_flavor = "caching"
|
|
|
|
def tearDown(self):
|
|
super(TestImageCacheSqlite, self).tearDown()
|
|
if os.path.exists(self.api_server.image_cache_dir):
|
|
shutil.rmtree(self.api_server.image_cache_dir)
|
|
|
|
|
|
class TestImageCacheManageSqlite(functional.FunctionalTest,
|
|
BaseCacheManageMiddlewareTest):
|
|
|
|
"""
|
|
Functional tests that exercise the image cache management using the
|
|
SQLite driver
|
|
"""
|
|
|
|
def setUp(self):
|
|
"""
|
|
Test to see if the pre-requisites for the image cache
|
|
are working (python-xattr installed and xattr support on the
|
|
filesystem)
|
|
"""
|
|
if getattr(self, 'disabled', False):
|
|
return
|
|
|
|
if not getattr(self, 'inited', False):
|
|
try:
|
|
import sqlite3 # noqa
|
|
except ImportError:
|
|
self.inited = True
|
|
self.disabled = True
|
|
self.disabled_message = ("python-sqlite3 not installed.")
|
|
return
|
|
|
|
self.inited = True
|
|
self.disabled = False
|
|
self.image_cache_driver = "sqlite"
|
|
|
|
super(TestImageCacheManageSqlite, self).setUp()
|
|
|
|
self.api_server.deployment_flavor = "cachemanagement"
|
|
|
|
def tearDown(self):
|
|
super(TestImageCacheManageSqlite, self).tearDown()
|
|
if os.path.exists(self.api_server.image_cache_dir):
|
|
shutil.rmtree(self.api_server.image_cache_dir)
|