744 lines
30 KiB
Python
744 lines
30 KiB
Python
# Copyright 2011 OpenStack Foundation
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
"""Tests the filesystem backend store"""
|
|
|
|
import errno
|
|
import hashlib
|
|
import json
|
|
import mock
|
|
import os
|
|
import stat
|
|
import uuid
|
|
|
|
import fixtures
|
|
from oslo_utils import units
|
|
import six
|
|
from six.moves import builtins
|
|
# NOTE(jokke): simplified transition to py3, behaves like py2 xrange
|
|
from six.moves import range
|
|
|
|
from glance_store._drivers import filesystem
|
|
from glance_store import exceptions
|
|
from glance_store import location
|
|
from glance_store.tests import base
|
|
from glance_store.tests.unit import test_store_capabilities
|
|
|
|
|
|
class TestStore(base.StoreBaseTest,
|
|
test_store_capabilities.TestStoreCapabilitiesChecking):
|
|
|
|
def setUp(self):
|
|
"""Establish a clean test environment."""
|
|
super(TestStore, self).setUp()
|
|
self.orig_chunksize = filesystem.Store.READ_CHUNKSIZE
|
|
filesystem.Store.READ_CHUNKSIZE = 10
|
|
self.store = filesystem.Store(self.conf)
|
|
self.config(filesystem_store_datadir=self.test_dir,
|
|
stores=['glance.store.filesystem.Store'],
|
|
group="glance_store")
|
|
self.store.configure()
|
|
self.register_store_schemes(self.store, 'file')
|
|
self.hash_algo = 'sha256'
|
|
|
|
def tearDown(self):
|
|
"""Clear the test environment."""
|
|
super(TestStore, self).tearDown()
|
|
filesystem.ChunkedFile.CHUNKSIZE = self.orig_chunksize
|
|
|
|
def _create_metadata_json_file(self, metadata):
|
|
expected_image_id = str(uuid.uuid4())
|
|
jsonfilename = os.path.join(self.test_dir,
|
|
"storage_metadata.%s" % expected_image_id)
|
|
|
|
self.config(filesystem_store_metadata_file=jsonfilename,
|
|
group="glance_store")
|
|
with open(jsonfilename, 'w') as fptr:
|
|
json.dump(metadata, fptr)
|
|
|
|
def _store_image(self, in_metadata):
|
|
expected_image_id = str(uuid.uuid4())
|
|
expected_file_size = 10
|
|
expected_file_contents = b"*" * expected_file_size
|
|
image_file = six.BytesIO(expected_file_contents)
|
|
self.store.FILESYSTEM_STORE_METADATA = in_metadata
|
|
return self.store.add(expected_image_id, image_file,
|
|
expected_file_size, self.hash_algo)
|
|
|
|
def test_get(self):
|
|
"""Test a "normal" retrieval of an image in chunks."""
|
|
# First add an image...
|
|
image_id = str(uuid.uuid4())
|
|
file_contents = b"chunk00000remainder"
|
|
image_file = six.BytesIO(file_contents)
|
|
|
|
loc, size, checksum, multihash, _ = self.store.add(
|
|
image_id, image_file, len(file_contents), self.hash_algo)
|
|
|
|
# Now read it back...
|
|
uri = "file:///%s/%s" % (self.test_dir, image_id)
|
|
loc = location.get_location_from_uri(uri, conf=self.conf)
|
|
(image_file, image_size) = self.store.get(loc)
|
|
|
|
expected_data = b"chunk00000remainder"
|
|
expected_num_chunks = 2
|
|
data = b""
|
|
num_chunks = 0
|
|
|
|
for chunk in image_file:
|
|
num_chunks += 1
|
|
data += chunk
|
|
self.assertEqual(expected_data, data)
|
|
self.assertEqual(expected_num_chunks, num_chunks)
|
|
|
|
def test_get_random_access(self):
|
|
"""Test a "normal" retrieval of an image in chunks."""
|
|
# First add an image...
|
|
image_id = str(uuid.uuid4())
|
|
file_contents = b"chunk00000remainder"
|
|
image_file = six.BytesIO(file_contents)
|
|
|
|
loc, size, checksum, multihash, _ = self.store.add(
|
|
image_id, image_file, len(file_contents), self.hash_algo)
|
|
|
|
# Now read it back...
|
|
uri = "file:///%s/%s" % (self.test_dir, image_id)
|
|
loc = location.get_location_from_uri(uri, conf=self.conf)
|
|
|
|
data = b""
|
|
for offset in range(len(file_contents)):
|
|
(image_file, image_size) = self.store.get(loc,
|
|
offset=offset,
|
|
chunk_size=1)
|
|
for chunk in image_file:
|
|
data += chunk
|
|
|
|
self.assertEqual(file_contents, data)
|
|
|
|
data = b""
|
|
chunk_size = 5
|
|
(image_file, image_size) = self.store.get(loc,
|
|
offset=chunk_size,
|
|
chunk_size=chunk_size)
|
|
for chunk in image_file:
|
|
data += chunk
|
|
|
|
self.assertEqual(b'00000', data)
|
|
self.assertEqual(chunk_size, image_size)
|
|
|
|
def test_get_non_existing(self):
|
|
"""
|
|
Test that trying to retrieve a file that doesn't exist
|
|
raises an error
|
|
"""
|
|
loc = location.get_location_from_uri(
|
|
"file:///%s/non-existing" % self.test_dir, conf=self.conf)
|
|
self.assertRaises(exceptions.NotFound,
|
|
self.store.get,
|
|
loc)
|
|
|
|
def test_add(self):
|
|
"""Test that we can add an image via the filesystem backend."""
|
|
filesystem.ChunkedFile.CHUNKSIZE = units.Ki
|
|
expected_image_id = str(uuid.uuid4())
|
|
expected_file_size = 5 * units.Ki # 5K
|
|
expected_file_contents = b"*" * expected_file_size
|
|
expected_checksum = hashlib.md5(expected_file_contents).hexdigest()
|
|
expected_multihash = hashlib.sha256(expected_file_contents).hexdigest()
|
|
expected_location = "file://%s/%s" % (self.test_dir,
|
|
expected_image_id)
|
|
image_file = six.BytesIO(expected_file_contents)
|
|
|
|
loc, size, checksum, multihash, _ = self.store.add(
|
|
expected_image_id, image_file, expected_file_size, self.hash_algo)
|
|
|
|
self.assertEqual(expected_location, loc)
|
|
self.assertEqual(expected_file_size, size)
|
|
self.assertEqual(expected_checksum, checksum)
|
|
self.assertEqual(expected_multihash, multihash)
|
|
|
|
uri = "file:///%s/%s" % (self.test_dir, expected_image_id)
|
|
loc = location.get_location_from_uri(uri, conf=self.conf)
|
|
(new_image_file, new_image_size) = self.store.get(loc)
|
|
new_image_contents = b""
|
|
new_image_file_size = 0
|
|
|
|
for chunk in new_image_file:
|
|
new_image_file_size += len(chunk)
|
|
new_image_contents += chunk
|
|
|
|
self.assertEqual(expected_file_contents, new_image_contents)
|
|
self.assertEqual(expected_file_size, new_image_file_size)
|
|
|
|
def test_add_with_verifier(self):
|
|
"""Test that 'verifier.update' is called when verifier is provided."""
|
|
verifier = mock.MagicMock(name='mock_verifier')
|
|
self.store.chunk_size = units.Ki
|
|
image_id = str(uuid.uuid4())
|
|
file_size = units.Ki # 1K
|
|
file_contents = b"*" * file_size
|
|
image_file = six.BytesIO(file_contents)
|
|
|
|
self.store.add(image_id, image_file, file_size, self.hash_algo,
|
|
verifier=verifier)
|
|
|
|
verifier.update.assert_called_with(file_contents)
|
|
|
|
def test_add_check_metadata_with_invalid_mountpoint_location(self):
|
|
in_metadata = [{'id': 'abcdefg',
|
|
'mountpoint': '/xyz/images'}]
|
|
location, size, checksum, multihash, metadata = self._store_image(
|
|
in_metadata)
|
|
self.assertEqual({}, metadata)
|
|
|
|
def test_add_check_metadata_list_with_invalid_mountpoint_locations(self):
|
|
in_metadata = [{'id': 'abcdefg', 'mountpoint': '/xyz/images'},
|
|
{'id': 'xyz1234', 'mountpoint': '/pqr/images'}]
|
|
location, size, checksum, multihash, metadata = self._store_image(
|
|
in_metadata)
|
|
self.assertEqual({}, metadata)
|
|
|
|
def test_add_check_metadata_list_with_valid_mountpoint_locations(self):
|
|
in_metadata = [{'id': 'abcdefg', 'mountpoint': '/tmp'},
|
|
{'id': 'xyz1234', 'mountpoint': '/xyz'}]
|
|
location, size, checksum, multihash, metadata = self._store_image(
|
|
in_metadata)
|
|
self.assertEqual(in_metadata[0], metadata)
|
|
|
|
def test_add_check_metadata_bad_nosuch_file(self):
|
|
expected_image_id = str(uuid.uuid4())
|
|
jsonfilename = os.path.join(self.test_dir,
|
|
"storage_metadata.%s" % expected_image_id)
|
|
|
|
self.config(filesystem_store_metadata_file=jsonfilename,
|
|
group="glance_store")
|
|
expected_file_size = 10
|
|
expected_file_contents = b"*" * expected_file_size
|
|
image_file = six.BytesIO(expected_file_contents)
|
|
|
|
location, size, checksum, multihash, metadata = self.store.add(
|
|
expected_image_id, image_file, expected_file_size, self.hash_algo)
|
|
|
|
self.assertEqual(metadata, {})
|
|
|
|
def test_add_already_existing(self):
|
|
"""
|
|
Tests that adding an image with an existing identifier
|
|
raises an appropriate exception
|
|
"""
|
|
filesystem.ChunkedFile.CHUNKSIZE = units.Ki
|
|
image_id = str(uuid.uuid4())
|
|
file_size = 5 * units.Ki # 5K
|
|
file_contents = b"*" * file_size
|
|
image_file = six.BytesIO(file_contents)
|
|
|
|
location, size, checksum, multihash, _ = self.store.add(
|
|
image_id, image_file, file_size, self.hash_algo)
|
|
image_file = six.BytesIO(b"nevergonnamakeit")
|
|
self.assertRaises(exceptions.Duplicate,
|
|
self.store.add,
|
|
image_id, image_file, 0, self.hash_algo)
|
|
|
|
def _do_test_add_write_failure(self, errno, exception):
|
|
filesystem.ChunkedFile.CHUNKSIZE = units.Ki
|
|
image_id = str(uuid.uuid4())
|
|
file_size = 5 * units.Ki # 5K
|
|
file_contents = b"*" * file_size
|
|
path = os.path.join(self.test_dir, image_id)
|
|
image_file = six.BytesIO(file_contents)
|
|
|
|
with mock.patch.object(builtins, 'open') as popen:
|
|
e = IOError()
|
|
e.errno = errno
|
|
popen.side_effect = e
|
|
|
|
self.assertRaises(exception,
|
|
self.store.add,
|
|
image_id, image_file, 0, self.hash_algo)
|
|
self.assertFalse(os.path.exists(path))
|
|
|
|
def test_add_storage_full(self):
|
|
"""
|
|
Tests that adding an image without enough space on disk
|
|
raises an appropriate exception
|
|
"""
|
|
self._do_test_add_write_failure(errno.ENOSPC, exceptions.StorageFull)
|
|
|
|
def test_add_file_too_big(self):
|
|
"""
|
|
Tests that adding an excessively large image file
|
|
raises an appropriate exception
|
|
"""
|
|
self._do_test_add_write_failure(errno.EFBIG, exceptions.StorageFull)
|
|
|
|
def test_add_storage_write_denied(self):
|
|
"""
|
|
Tests that adding an image with insufficient filestore permissions
|
|
raises an appropriate exception
|
|
"""
|
|
self._do_test_add_write_failure(errno.EACCES,
|
|
exceptions.StorageWriteDenied)
|
|
|
|
def test_add_other_failure(self):
|
|
"""
|
|
Tests that a non-space-related IOError does not raise a
|
|
StorageFull exceptions.
|
|
"""
|
|
self._do_test_add_write_failure(errno.ENOTDIR, IOError)
|
|
|
|
def test_add_cleanup_on_read_failure(self):
|
|
"""
|
|
Tests the partial image file is cleaned up after a read
|
|
failure.
|
|
"""
|
|
filesystem.ChunkedFile.CHUNKSIZE = units.Ki
|
|
image_id = str(uuid.uuid4())
|
|
file_size = 5 * units.Ki # 5K
|
|
file_contents = b"*" * file_size
|
|
path = os.path.join(self.test_dir, image_id)
|
|
image_file = six.BytesIO(file_contents)
|
|
|
|
def fake_Error(size):
|
|
raise AttributeError()
|
|
|
|
with mock.patch.object(image_file, 'read') as mock_read:
|
|
mock_read.side_effect = fake_Error
|
|
|
|
self.assertRaises(AttributeError,
|
|
self.store.add,
|
|
image_id, image_file, 0, self.hash_algo)
|
|
self.assertFalse(os.path.exists(path))
|
|
|
|
def test_delete(self):
|
|
"""
|
|
Test we can delete an existing image in the filesystem store
|
|
"""
|
|
# First add an image
|
|
image_id = str(uuid.uuid4())
|
|
file_size = 5 * units.Ki # 5K
|
|
file_contents = b"*" * file_size
|
|
image_file = six.BytesIO(file_contents)
|
|
|
|
loc, size, checksum, multihash, _ = self.store.add(
|
|
image_id, image_file, file_size, self.hash_algo)
|
|
|
|
# Now check that we can delete it
|
|
uri = "file:///%s/%s" % (self.test_dir, image_id)
|
|
loc = location.get_location_from_uri(uri, conf=self.conf)
|
|
self.store.delete(loc)
|
|
|
|
self.assertRaises(exceptions.NotFound, self.store.get, loc)
|
|
|
|
def test_delete_non_existing(self):
|
|
"""
|
|
Test that trying to delete a file that doesn't exist
|
|
raises an error
|
|
"""
|
|
loc = location.get_location_from_uri(
|
|
"file:///tmp/glance-tests/non-existing", conf=self.conf)
|
|
self.assertRaises(exceptions.NotFound,
|
|
self.store.delete,
|
|
loc)
|
|
|
|
def test_delete_forbidden(self):
|
|
"""
|
|
Tests that trying to delete a file without permissions
|
|
raises the correct error
|
|
"""
|
|
# First add an image
|
|
image_id = str(uuid.uuid4())
|
|
file_size = 5 * units.Ki # 5K
|
|
file_contents = b"*" * file_size
|
|
image_file = six.BytesIO(file_contents)
|
|
|
|
loc, size, checksum, multihash, _ = self.store.add(
|
|
image_id, image_file, file_size, self.hash_algo)
|
|
|
|
uri = "file:///%s/%s" % (self.test_dir, image_id)
|
|
loc = location.get_location_from_uri(uri, conf=self.conf)
|
|
|
|
# Mock unlink to raise an OSError for lack of permissions
|
|
# and make sure we can't delete the image
|
|
with mock.patch.object(os, 'unlink') as unlink:
|
|
e = OSError()
|
|
e.errno = errno
|
|
unlink.side_effect = e
|
|
|
|
self.assertRaises(exceptions.Forbidden,
|
|
self.store.delete,
|
|
loc)
|
|
|
|
# Make sure the image didn't get deleted
|
|
self.store.get(loc)
|
|
|
|
def test_configure_add_with_multi_datadirs(self):
|
|
"""
|
|
Tests multiple filesystem specified by filesystem_store_datadirs
|
|
are parsed correctly.
|
|
"""
|
|
store_map = [self.useFixture(fixtures.TempDir()).path,
|
|
self.useFixture(fixtures.TempDir()).path]
|
|
self.conf.set_override('filesystem_store_datadir',
|
|
override=None,
|
|
group='glance_store')
|
|
self.conf.set_override('filesystem_store_datadirs',
|
|
[store_map[0] + ":100",
|
|
store_map[1] + ":200"],
|
|
group='glance_store')
|
|
self.store.configure_add()
|
|
|
|
expected_priority_map = {100: [store_map[0]], 200: [store_map[1]]}
|
|
expected_priority_list = [200, 100]
|
|
self.assertEqual(expected_priority_map, self.store.priority_data_map)
|
|
self.assertEqual(expected_priority_list, self.store.priority_list)
|
|
|
|
def test_configure_add_with_metadata_file_success(self):
|
|
metadata = {'id': 'asdf1234',
|
|
'mountpoint': '/tmp'}
|
|
self._create_metadata_json_file(metadata)
|
|
self.store.configure_add()
|
|
self.assertEqual([metadata], self.store.FILESYSTEM_STORE_METADATA)
|
|
|
|
def test_configure_add_check_metadata_list_of_dicts_success(self):
|
|
metadata = [{'id': 'abcdefg', 'mountpoint': '/xyz/images'},
|
|
{'id': 'xyz1234', 'mountpoint': '/tmp/'}]
|
|
self._create_metadata_json_file(metadata)
|
|
self.store.configure_add()
|
|
self.assertEqual(metadata, self.store.FILESYSTEM_STORE_METADATA)
|
|
|
|
def test_configure_add_check_metadata_success_list_val_for_some_key(self):
|
|
metadata = {'akey': ['value1', 'value2'], 'id': 'asdf1234',
|
|
'mountpoint': '/tmp'}
|
|
self._create_metadata_json_file(metadata)
|
|
self.store.configure_add()
|
|
self.assertEqual([metadata], self.store.FILESYSTEM_STORE_METADATA)
|
|
|
|
def test_configure_add_check_metadata_bad_data(self):
|
|
metadata = {'akey': 10, 'id': 'asdf1234',
|
|
'mountpoint': '/tmp'} # only unicode is allowed
|
|
self._create_metadata_json_file(metadata)
|
|
self.assertRaises(exceptions.BadStoreConfiguration,
|
|
self.store.configure_add)
|
|
|
|
def test_configure_add_check_metadata_with_no_id_or_mountpoint(self):
|
|
metadata = {'mountpoint': '/tmp'}
|
|
self._create_metadata_json_file(metadata)
|
|
self.assertRaises(exceptions.BadStoreConfiguration,
|
|
self.store.configure_add)
|
|
|
|
metadata = {'id': 'asdfg1234'}
|
|
self._create_metadata_json_file(metadata)
|
|
self.assertRaises(exceptions.BadStoreConfiguration,
|
|
self.store.configure_add)
|
|
|
|
def test_configure_add_check_metadata_id_or_mountpoint_is_not_string(self):
|
|
metadata = {'id': 10, 'mountpoint': '/tmp'}
|
|
self._create_metadata_json_file(metadata)
|
|
self.assertRaises(exceptions.BadStoreConfiguration,
|
|
self.store.configure_add)
|
|
|
|
metadata = {'id': 'asdf1234', 'mountpoint': 12345}
|
|
self._create_metadata_json_file(metadata)
|
|
self.assertRaises(exceptions.BadStoreConfiguration,
|
|
self.store.configure_add)
|
|
|
|
def test_configure_add_check_metadata_list_with_no_id_or_mountpoint(self):
|
|
metadata = [{'id': 'abcdefg', 'mountpoint': '/xyz/images'},
|
|
{'mountpoint': '/pqr/images'}]
|
|
self._create_metadata_json_file(metadata)
|
|
self.assertRaises(exceptions.BadStoreConfiguration,
|
|
self.store.configure_add)
|
|
|
|
metadata = [{'id': 'abcdefg'},
|
|
{'id': 'xyz1234', 'mountpoint': '/pqr/images'}]
|
|
self._create_metadata_json_file(metadata)
|
|
self.assertRaises(exceptions.BadStoreConfiguration,
|
|
self.store.configure_add)
|
|
|
|
def test_add_check_metadata_list_id_or_mountpoint_is_not_string(self):
|
|
metadata = [{'id': 'abcdefg', 'mountpoint': '/xyz/images'},
|
|
{'id': 1234, 'mountpoint': '/pqr/images'}]
|
|
self._create_metadata_json_file(metadata)
|
|
self.assertRaises(exceptions.BadStoreConfiguration,
|
|
self.store.configure_add)
|
|
|
|
metadata = [{'id': 'abcdefg', 'mountpoint': 1234},
|
|
{'id': 'xyz1234', 'mountpoint': '/pqr/images'}]
|
|
self._create_metadata_json_file(metadata)
|
|
self.assertRaises(exceptions.BadStoreConfiguration,
|
|
self.store.configure_add)
|
|
|
|
def test_configure_add_same_dir_multiple_times(self):
|
|
"""
|
|
Tests BadStoreConfiguration exception is raised if same directory
|
|
is specified multiple times in filesystem_store_datadirs.
|
|
"""
|
|
store_map = [self.useFixture(fixtures.TempDir()).path,
|
|
self.useFixture(fixtures.TempDir()).path]
|
|
self.conf.clear_override('filesystem_store_datadir',
|
|
group='glance_store')
|
|
self.conf.set_override('filesystem_store_datadirs',
|
|
[store_map[0] + ":100",
|
|
store_map[1] + ":200",
|
|
store_map[0] + ":300"],
|
|
group='glance_store')
|
|
self.assertRaises(exceptions.BadStoreConfiguration,
|
|
self.store.configure_add)
|
|
|
|
def test_configure_add_same_dir_multiple_times_same_priority(self):
|
|
"""
|
|
Tests BadStoreConfiguration exception is raised if same directory
|
|
is specified multiple times in filesystem_store_datadirs.
|
|
"""
|
|
store_map = [self.useFixture(fixtures.TempDir()).path,
|
|
self.useFixture(fixtures.TempDir()).path]
|
|
self.conf.set_override('filesystem_store_datadir',
|
|
override=None,
|
|
group='glance_store')
|
|
self.conf.set_override('filesystem_store_datadirs',
|
|
[store_map[0] + ":100",
|
|
store_map[1] + ":200",
|
|
store_map[0] + ":100"],
|
|
group='glance_store')
|
|
try:
|
|
self.store.configure()
|
|
except exceptions.BadStoreConfiguration:
|
|
self.fail("configure() raised BadStoreConfiguration unexpectedly!")
|
|
|
|
# Test that we can add an image via the filesystem backend
|
|
filesystem.ChunkedFile.CHUNKSIZE = 1024
|
|
expected_image_id = str(uuid.uuid4())
|
|
expected_file_size = 5 * units.Ki # 5K
|
|
expected_file_contents = b"*" * expected_file_size
|
|
expected_checksum = hashlib.md5(expected_file_contents).hexdigest()
|
|
expected_multihash = hashlib.sha256(expected_file_contents).hexdigest()
|
|
expected_location = "file://%s/%s" % (store_map[1],
|
|
expected_image_id)
|
|
image_file = six.BytesIO(expected_file_contents)
|
|
|
|
loc, size, checksum, multihash, _ = self.store.add(
|
|
expected_image_id, image_file, expected_file_size, self.hash_algo)
|
|
|
|
self.assertEqual(expected_location, loc)
|
|
self.assertEqual(expected_file_size, size)
|
|
self.assertEqual(expected_checksum, checksum)
|
|
self.assertEqual(expected_multihash, multihash)
|
|
|
|
loc = location.get_location_from_uri(expected_location,
|
|
conf=self.conf)
|
|
(new_image_file, new_image_size) = self.store.get(loc)
|
|
new_image_contents = b""
|
|
new_image_file_size = 0
|
|
|
|
for chunk in new_image_file:
|
|
new_image_file_size += len(chunk)
|
|
new_image_contents += chunk
|
|
|
|
self.assertEqual(expected_file_contents, new_image_contents)
|
|
self.assertEqual(expected_file_size, new_image_file_size)
|
|
|
|
def test_add_with_multiple_dirs(self):
|
|
"""Test adding multiple filesystem directories."""
|
|
store_map = [self.useFixture(fixtures.TempDir()).path,
|
|
self.useFixture(fixtures.TempDir()).path]
|
|
self.conf.set_override('filesystem_store_datadir',
|
|
override=None,
|
|
group='glance_store')
|
|
|
|
self.conf.set_override('filesystem_store_datadirs',
|
|
[store_map[0] + ":100",
|
|
store_map[1] + ":200"],
|
|
group='glance_store')
|
|
|
|
self.store.configure()
|
|
|
|
# Test that we can add an image via the filesystem backend
|
|
filesystem.ChunkedFile.CHUNKSIZE = units.Ki
|
|
expected_image_id = str(uuid.uuid4())
|
|
expected_file_size = 5 * units.Ki # 5K
|
|
expected_file_contents = b"*" * expected_file_size
|
|
expected_checksum = hashlib.md5(expected_file_contents).hexdigest()
|
|
expected_multihash = hashlib.sha256(expected_file_contents).hexdigest()
|
|
expected_location = "file://%s/%s" % (store_map[1],
|
|
expected_image_id)
|
|
image_file = six.BytesIO(expected_file_contents)
|
|
|
|
loc, size, checksum, multihash, _ = self.store.add(
|
|
expected_image_id, image_file, expected_file_size, self.hash_algo)
|
|
|
|
self.assertEqual(expected_location, loc)
|
|
self.assertEqual(expected_file_size, size)
|
|
self.assertEqual(expected_checksum, checksum)
|
|
self.assertEqual(expected_multihash, multihash)
|
|
|
|
loc = location.get_location_from_uri(expected_location,
|
|
conf=self.conf)
|
|
(new_image_file, new_image_size) = self.store.get(loc)
|
|
new_image_contents = b""
|
|
new_image_file_size = 0
|
|
|
|
for chunk in new_image_file:
|
|
new_image_file_size += len(chunk)
|
|
new_image_contents += chunk
|
|
|
|
self.assertEqual(expected_file_contents, new_image_contents)
|
|
self.assertEqual(expected_file_size, new_image_file_size)
|
|
|
|
def test_add_with_multiple_dirs_storage_full(self):
|
|
"""
|
|
Test StorageFull exception is raised if no filesystem directory
|
|
is found that can store an image.
|
|
"""
|
|
store_map = [self.useFixture(fixtures.TempDir()).path,
|
|
self.useFixture(fixtures.TempDir()).path]
|
|
self.conf.set_override('filesystem_store_datadir',
|
|
override=None,
|
|
group='glance_store')
|
|
self.conf.set_override('filesystem_store_datadirs',
|
|
[store_map[0] + ":100",
|
|
store_map[1] + ":200"],
|
|
group='glance_store')
|
|
|
|
self.store.configure_add()
|
|
|
|
def fake_get_capacity_info(mount_point):
|
|
return 0
|
|
|
|
with mock.patch.object(self.store, '_get_capacity_info') as capacity:
|
|
capacity.return_value = 0
|
|
|
|
filesystem.ChunkedFile.CHUNKSIZE = units.Ki
|
|
expected_image_id = str(uuid.uuid4())
|
|
expected_file_size = 5 * units.Ki # 5K
|
|
expected_file_contents = b"*" * expected_file_size
|
|
image_file = six.BytesIO(expected_file_contents)
|
|
|
|
self.assertRaises(exceptions.StorageFull,
|
|
self.store.add,
|
|
expected_image_id,
|
|
image_file,
|
|
expected_file_size,
|
|
self.hash_algo)
|
|
|
|
def test_configure_add_with_file_perm(self):
|
|
"""
|
|
Tests filesystem specified by filesystem_store_file_perm
|
|
are parsed correctly.
|
|
"""
|
|
store = self.useFixture(fixtures.TempDir()).path
|
|
self.conf.set_override('filesystem_store_datadir', store,
|
|
group='glance_store')
|
|
self.conf.set_override('filesystem_store_file_perm', 700, # -rwx------
|
|
group='glance_store')
|
|
self.store.configure_add()
|
|
self.assertEqual(self.store.datadir, store)
|
|
|
|
def test_configure_add_with_unaccessible_file_perm(self):
|
|
"""
|
|
Tests BadStoreConfiguration exception is raised if an invalid
|
|
file permission specified in filesystem_store_file_perm.
|
|
"""
|
|
store = self.useFixture(fixtures.TempDir()).path
|
|
self.conf.set_override('filesystem_store_datadir', store,
|
|
group='glance_store')
|
|
self.conf.set_override('filesystem_store_file_perm', 7, # -------rwx
|
|
group='glance_store')
|
|
self.assertRaises(exceptions.BadStoreConfiguration,
|
|
self.store.configure_add)
|
|
|
|
def test_add_with_file_perm_for_group_other_users_access(self):
|
|
"""
|
|
Test that we can add an image via the filesystem backend with a
|
|
required image file permission.
|
|
"""
|
|
store = self.useFixture(fixtures.TempDir()).path
|
|
self.conf.set_override('filesystem_store_datadir', store,
|
|
group='glance_store')
|
|
self.conf.set_override('filesystem_store_file_perm', 744, # -rwxr--r--
|
|
group='glance_store')
|
|
|
|
# -rwx------
|
|
os.chmod(store, 0o700)
|
|
self.assertEqual(0o700, stat.S_IMODE(os.stat(store)[stat.ST_MODE]))
|
|
|
|
self.store.configure_add()
|
|
|
|
filesystem.Store.WRITE_CHUNKSIZE = units.Ki
|
|
expected_image_id = str(uuid.uuid4())
|
|
expected_file_size = 5 * units.Ki # 5K
|
|
expected_file_contents = b"*" * expected_file_size
|
|
expected_checksum = hashlib.md5(expected_file_contents).hexdigest()
|
|
expected_multihash = hashlib.sha256(expected_file_contents).hexdigest()
|
|
expected_location = "file://%s/%s" % (store,
|
|
expected_image_id)
|
|
image_file = six.BytesIO(expected_file_contents)
|
|
|
|
location, size, checksum, multihash, _ = self.store.add(
|
|
expected_image_id, image_file, expected_file_size, self.hash_algo)
|
|
|
|
self.assertEqual(expected_location, location)
|
|
self.assertEqual(expected_file_size, size)
|
|
self.assertEqual(expected_checksum, checksum)
|
|
self.assertEqual(expected_multihash, multihash)
|
|
|
|
# -rwx--x--x for store directory
|
|
self.assertEqual(0o711, stat.S_IMODE(os.stat(store)[stat.ST_MODE]))
|
|
# -rwxr--r-- for image file
|
|
mode = os.stat(expected_location[len('file:/'):])[stat.ST_MODE]
|
|
perm = int(str(self.conf.glance_store.filesystem_store_file_perm), 8)
|
|
self.assertEqual(perm, stat.S_IMODE(mode))
|
|
|
|
def test_add_with_file_perm_for_owner_users_access(self):
|
|
"""
|
|
Test that we can add an image via the filesystem backend with a
|
|
required image file permission.
|
|
"""
|
|
store = self.useFixture(fixtures.TempDir()).path
|
|
self.conf.set_override('filesystem_store_datadir', store,
|
|
group='glance_store')
|
|
self.conf.set_override('filesystem_store_file_perm', 600, # -rw-------
|
|
group='glance_store')
|
|
|
|
# -rwx------
|
|
os.chmod(store, 0o700)
|
|
self.assertEqual(0o700, stat.S_IMODE(os.stat(store)[stat.ST_MODE]))
|
|
|
|
self.store.configure_add()
|
|
|
|
filesystem.Store.WRITE_CHUNKSIZE = units.Ki
|
|
expected_image_id = str(uuid.uuid4())
|
|
expected_file_size = 5 * units.Ki # 5K
|
|
expected_file_contents = b"*" * expected_file_size
|
|
expected_checksum = hashlib.md5(expected_file_contents).hexdigest()
|
|
expected_multihash = hashlib.sha256(expected_file_contents).hexdigest()
|
|
expected_location = "file://%s/%s" % (store,
|
|
expected_image_id)
|
|
image_file = six.BytesIO(expected_file_contents)
|
|
|
|
location, size, checksum, multihash, _ = self.store.add(
|
|
expected_image_id, image_file, expected_file_size, self.hash_algo)
|
|
|
|
self.assertEqual(expected_location, location)
|
|
self.assertEqual(expected_file_size, size)
|
|
self.assertEqual(expected_checksum, checksum)
|
|
self.assertEqual(expected_multihash, multihash)
|
|
|
|
# -rwx------ for store directory
|
|
self.assertEqual(0o700, stat.S_IMODE(os.stat(store)[stat.ST_MODE]))
|
|
# -rw------- for image file
|
|
mode = os.stat(expected_location[len('file:/'):])[stat.ST_MODE]
|
|
perm = int(str(self.conf.glance_store.filesystem_store_file_perm), 8)
|
|
self.assertEqual(perm, stat.S_IMODE(mode))
|