285 lines
10 KiB
Python
285 lines
10 KiB
Python
# Copyright 2011-2012 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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import os
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import sys
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import time
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import glance_store.location
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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.common import crypt
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from glance.tests import functional
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from glance.tests.utils import execute
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TEST_IMAGE_DATA = '*' * 5 * units.Ki
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TEST_IMAGE_META = {
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'name': 'test_image',
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'is_public': False,
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'disk_format': 'raw',
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'container_format': 'ovf',
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}
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class TestScrubber(functional.FunctionalTest):
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"""Test that delayed_delete works and the scrubber deletes"""
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def test_delayed_delete(self):
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"""
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test that images don't get deleted immediately and that the scrubber
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scrubs them
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"""
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self.cleanup()
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self.start_servers(delayed_delete=True, daemon=True,
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metadata_encryption_key='')
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headers = {
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'x-image-meta-name': 'test_image',
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'x-image-meta-is_public': 'true',
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'x-image-meta-disk_format': 'raw',
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'x-image-meta-container_format': 'ovf',
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'content-type': 'application/octet-stream',
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}
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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', body='XXX',
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headers=headers)
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self.assertEqual(201, response.status)
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image = jsonutils.loads(content)['image']
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self.assertEqual('active', image['status'])
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image_id = 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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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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response, content = http.request(path, 'HEAD')
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self.assertEqual(200, response.status)
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self.assertEqual('pending_delete', response['x-image-meta-status'])
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self.wait_for_scrub(path)
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self.stop_servers()
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def test_scrubber_app(self):
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"""
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test that the glance-scrubber script runs successfully when not in
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daemon mode
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"""
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self.cleanup()
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self.start_servers(delayed_delete=True, daemon=False,
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metadata_encryption_key='')
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headers = {
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'x-image-meta-name': 'test_image',
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'x-image-meta-is_public': 'true',
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'x-image-meta-disk_format': 'raw',
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'x-image-meta-container_format': 'ovf',
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'content-type': 'application/octet-stream',
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}
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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', body='XXX',
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headers=headers)
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self.assertEqual(201, response.status)
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image = jsonutils.loads(content)['image']
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self.assertEqual('active', image['status'])
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image_id = 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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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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response, content = http.request(path, 'HEAD')
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self.assertEqual(200, response.status)
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self.assertEqual('pending_delete', response['x-image-meta-status'])
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# wait for the scrub time on the image to pass
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time.sleep(self.api_server.scrub_time)
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# scrub images and make sure they get deleted
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exe_cmd = "%s -m glance.cmd.scrubber" % sys.executable
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cmd = ("%s --config-file %s" %
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(exe_cmd, self.scrubber_daemon.conf_file_name))
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exitcode, out, err = execute(cmd, raise_error=False)
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self.assertEqual(0, exitcode)
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self.wait_for_scrub(path)
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self.stop_servers()
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def test_scrubber_with_metadata_enc(self):
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"""
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test that files written to scrubber_data_dir use
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metadata_encryption_key when available to encrypt the location
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"""
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# FIXME(flaper87): It looks like an older commit
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# may have broken this test. The file_queue `add_location`
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# is not being called.
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self.skipTest("Test broken. See bug #1366682")
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self.cleanup()
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self.start_servers(delayed_delete=True,
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daemon=True,
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default_store='file')
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# add an image
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headers = {
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'x-image-meta-name': 'test_image',
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'x-image-meta-is_public': 'true',
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'x-image-meta-disk_format': 'raw',
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'x-image-meta-container_format': 'ovf',
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'content-type': 'application/octet-stream',
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}
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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', body='XXX',
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headers=headers)
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self.assertEqual(201, response.status)
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image = jsonutils.loads(content)['image']
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self.assertEqual('active', image['status'])
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image_id = image['id']
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# delete the image
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path = "http://%s:%d/v1/images/%s" % ("127.0.0.1",
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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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response, content = http.request(path, 'HEAD')
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self.assertEqual(200, response.status)
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self.assertEqual('pending_delete', response['x-image-meta-status'])
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# ensure the marker file has encrypted the image location by decrypting
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# it and checking the image_id is intact
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file_path = os.path.join(self.api_server.scrubber_datadir,
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str(image_id))
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marker_uri = None
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with open(file_path, 'r') as f:
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marker_uri = f.readline().strip()
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self.assertTrue(marker_uri is not None)
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decrypted_uri = crypt.urlsafe_decrypt(
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self.api_server.metadata_encryption_key, marker_uri)
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loc = glance_store.location.StoreLocation({})
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loc.parse_uri(decrypted_uri)
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self.assertEqual("file", loc.scheme)
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self.assertEqual(image['id'], loc.obj)
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self.wait_for_scrub(path)
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self.stop_servers()
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def test_scrubber_delete_handles_exception(self):
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"""
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Test that the scrubber handles the case where an
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exception occurs when _delete() is called. The scrubber
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should not write out queue files in this case.
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"""
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# Start servers.
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self.cleanup()
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self.start_servers(delayed_delete=True, daemon=False,
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default_store='file')
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# Check that we are using a file backend.
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self.assertEqual(self.api_server.default_store, 'file')
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# add an image
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headers = {
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'x-image-meta-name': 'test_image',
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'x-image-meta-is_public': 'true',
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'x-image-meta-disk_format': 'raw',
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'x-image-meta-container_format': 'ovf',
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'content-type': 'application/octet-stream',
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}
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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', body='XXX',
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headers=headers)
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self.assertEqual(201, response.status)
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image = jsonutils.loads(content)['image']
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self.assertEqual('active', image['status'])
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image_id = image['id']
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# delete 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, 'DELETE')
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self.assertEqual(200, response.status)
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# ensure the image is marked pending delete
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response, content = http.request(path, 'HEAD')
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self.assertEqual(200, response.status)
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self.assertEqual('pending_delete', response['x-image-meta-status'])
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# Remove the file from the backend.
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file_path = os.path.join(self.api_server.image_dir,
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str(image_id))
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os.remove(file_path)
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# Wait for the scrub time on the image to pass
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time.sleep(self.api_server.scrub_time)
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# run the scrubber app, and ensure it doesn't fall over
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exe_cmd = "%s -m glance.cmd.scrubber" % sys.executable
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cmd = ("%s --config-file %s" %
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(exe_cmd, self.scrubber_daemon.conf_file_name))
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exitcode, out, err = execute(cmd, raise_error=False)
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self.assertEqual(0, exitcode)
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self.wait_for_scrub(path)
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# Make sure there are no queue files associated with image.
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queue_file_path = os.path.join(self.api_server.scrubber_datadir,
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str(image_id))
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self.assertFalse(os.path.exists(queue_file_path))
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self.stop_servers()
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def wait_for_scrub(self, path):
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"""
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NOTE(jkoelker) The build servers sometimes take longer than 15 seconds
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to scrub. Give it up to 5 min, checking checking every 15 seconds.
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When/if it flips to deleted, bail immediately.
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"""
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http = httplib2.Http()
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wait_for = 300 # seconds
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check_every = 15 # seconds
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for _ in xrange(wait_for / check_every):
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time.sleep(check_every)
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response, content = http.request(path, 'HEAD')
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if (response['x-image-meta-status'] == 'deleted' and
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response['x-image-meta-deleted'] == 'True'):
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break
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else:
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continue
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else:
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self.fail('image was never scrubbed')
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