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test_backend.py
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# Copyright (c) 2010-2012 OpenStack Foundation
#
# 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 for swift.account.backend """
from collections import defaultdict
import json
import pickle
import os
from time import sleep, time
from uuid import uuid4
import sqlite3
import itertools
from contextlib import contextmanager
import random
from unittest import mock
import base64
import shutil
from swift.account.backend import AccountBroker
from swift.common.utils import Timestamp
from test.unit import patch_policies, with_tempdir, make_timestamp_iter
from swift.common.db import DatabaseConnectionError, TombstoneReclaimer
from swift.common.request_helpers import get_reserved_name
from swift.common.storage_policy import StoragePolicy, POLICIES
from swift.common.utils import md5
from test.unit.common import test_db
@patch_policies
class TestAccountBroker(test_db.TestDbBase):
"""Tests for AccountBroker"""
def setUp(self):
super(TestAccountBroker, self).setUp()
# tests seem to assume x-timestamp was set by the proxy before "now"
self.ts = make_timestamp_iter(offset=-1)
def test_creation(self):
# Test AccountBroker.__init__
db_file = self.get_db_path()
broker = AccountBroker(db_file, account='a')
self.assertEqual(broker.db_file, db_file)
try:
with broker.get() as conn:
pass
except DatabaseConnectionError as e:
self.assertTrue(hasattr(e, 'path'))
self.assertEqual(e.path, db_file)
self.assertTrue(hasattr(e, 'msg'))
self.assertEqual(e.msg, "DB doesn't exist")
except Exception as e:
self.fail("Unexpected exception raised: %r" % e)
else:
self.fail("Expected a DatabaseConnectionError exception")
broker.initialize(Timestamp('1').internal)
with broker.get() as conn:
curs = conn.cursor()
curs.execute('SELECT 1')
self.assertEqual(curs.fetchall()[0][0], 1)
def test_initialize_fail(self):
broker = AccountBroker(self.get_db_path())
with self.assertRaises(ValueError) as cm:
broker.initialize(Timestamp('1').internal)
self.assertEqual(str(cm.exception), 'Attempting to create a new'
' database with no account set')
def test_exception(self):
# Test AccountBroker throwing a conn away after exception
first_conn = None
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(Timestamp('1').internal)
with broker.get() as conn:
first_conn = conn
try:
with broker.get() as conn:
self.assertEqual(first_conn, conn)
raise Exception('OMG')
except Exception:
pass
self.assertIsNone(broker.conn)
def test_empty(self):
# Test AccountBroker.empty
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(Timestamp('1').internal)
self.assertTrue(broker.empty())
broker.put_container('o', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
self.assertFalse(broker.empty())
sleep(.00001)
broker.put_container('o', 0, Timestamp.now().internal, 0, 0,
POLICIES.default.idx)
self.assertTrue(broker.empty())
def test_is_status_deleted(self):
# Test AccountBroker.is_status_deleted
broker1 = AccountBroker(self.get_db_path(), account='a')
broker1.initialize(Timestamp.now().internal)
self.assertFalse(broker1.is_status_deleted())
broker1.delete_db(Timestamp.now().internal)
self.assertTrue(broker1.is_status_deleted())
broker2 = AccountBroker(self.get_db_path(), account='a')
broker2.initialize(Timestamp.now().internal)
# Set delete_timestamp greater than put_timestamp
broker2.merge_timestamps(
time(), Timestamp.now().internal,
Timestamp(time() + 999).internal)
self.assertTrue(broker2.is_status_deleted())
def test_reclaim(self):
broker = AccountBroker(self.get_db_path(), account='test_account')
broker.initialize(Timestamp('1').internal)
broker.put_container('c', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
# commit pending file into db
broker._commit_puts()
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 0").fetchone()[0], 1)
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 1").fetchone()[0], 0)
broker.reclaim(Timestamp(time() - 999).internal, time())
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 0").fetchone()[0], 1)
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 1").fetchone()[0], 0)
sleep(.00001)
broker.put_container('c', 0, Timestamp.now().internal, 0, 0,
POLICIES.default.idx)
broker._commit_puts()
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 0").fetchone()[0], 0)
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 1").fetchone()[0], 1)
broker.reclaim(Timestamp(time() - 999).internal, time())
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 0").fetchone()[0], 0)
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 1").fetchone()[0], 1)
sleep(.00001)
broker.reclaim(Timestamp.now().internal, time())
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 0").fetchone()[0], 0)
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 1").fetchone()[0], 0)
# Test reclaim after deletion. Create 3 test containers
broker.put_container('x', 0, 0, 0, 0, POLICIES.default.idx)
broker.put_container('y', 0, 0, 0, 0, POLICIES.default.idx)
broker.put_container('z', 0, 0, 0, 0, POLICIES.default.idx)
broker._commit_puts()
broker.reclaim(Timestamp.now().internal, time())
# Now delete the account
broker.delete_db(Timestamp.now().internal)
broker.reclaim(Timestamp.now().internal, time())
def test_batched_reclaim(self):
num_of_containers = 60
container_specs = []
now = time()
top_of_the_minute = now - (now % 60)
c = itertools.cycle([True, False])
for m, is_deleted in zip(range(num_of_containers), c):
offset = top_of_the_minute - (m * 60)
container_specs.append((Timestamp(offset), is_deleted))
random.seed(now)
random.shuffle(container_specs)
policy_indexes = list(p.idx for p in POLICIES)
broker = AccountBroker(self.get_db_path(), account='test_account')
broker.initialize(Timestamp('1').internal)
for i, container_spec in enumerate(container_specs):
# with container12 before container2 and shuffled ts.internal we
# shouldn't be able to accidently rely on any implicit ordering
name = 'container%s' % i
pidx = random.choice(policy_indexes)
ts, is_deleted = container_spec
if is_deleted:
broker.put_container(name, 0, ts.internal, 0, 0, pidx)
else:
broker.put_container(name, ts.internal, 0, 0, 0, pidx)
# commit pending file into db
broker._commit_puts()
def count_reclaimable(conn, reclaim_age):
return conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 1 AND delete_timestamp < ?", (reclaim_age,)
).fetchone()[0]
# This is intended to divide the set of timestamps exactly in half
# regardless of the value of now
reclaim_age = top_of_the_minute + 1 - (num_of_containers / 2 * 60)
with broker.get() as conn:
self.assertEqual(count_reclaimable(conn, reclaim_age),
num_of_containers / 4)
trace = []
class TracingReclaimer(TombstoneReclaimer):
def _reclaim(self, conn):
trace.append(
(self.age_timestamp, self.marker,
count_reclaimable(conn, self.age_timestamp)))
return super(TracingReclaimer, self)._reclaim(conn)
with mock.patch(
'swift.common.db.TombstoneReclaimer', TracingReclaimer), \
mock.patch('swift.common.db.RECLAIM_PAGE_SIZE', 10):
broker.reclaim(reclaim_age, reclaim_age)
with broker.get() as conn:
self.assertEqual(count_reclaimable(conn, reclaim_age), 0)
self.assertEqual(3, len(trace), trace)
self.assertEqual([age for age, marker, reclaimable in trace],
[reclaim_age] * 3)
# markers are in-order
self.assertLess(trace[0][1], trace[1][1])
self.assertLess(trace[1][1], trace[2][1])
# reclaimable count gradually decreases
# generally, count1 > count2 > count3, but because of the randomness
# we may occassionally have count1 == count2 or count2 == count3
self.assertGreaterEqual(trace[0][2], trace[1][2])
self.assertGreaterEqual(trace[1][2], trace[2][2])
# technically, this might happen occasionally, but *really* rarely
self.assertTrue(trace[0][2] > trace[1][2] or
trace[1][2] > trace[2][2])
def test_delete_db_status(self):
start = next(self.ts)
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(start.internal)
info = broker.get_info()
self.assertEqual(info['put_timestamp'], start.internal)
self.assertGreaterEqual(Timestamp(info['created_at']), start)
self.assertEqual(info['delete_timestamp'], '0')
if self.__class__ == TestAccountBrokerBeforeMetadata:
self.assertEqual(info['status_changed_at'], '0')
else:
self.assertEqual(info['status_changed_at'], start.internal)
# delete it
delete_timestamp = next(self.ts)
broker.delete_db(delete_timestamp.internal)
info = broker.get_info()
self.assertEqual(info['put_timestamp'], start.internal)
self.assertGreaterEqual(Timestamp(info['created_at']), start)
self.assertEqual(info['delete_timestamp'], delete_timestamp.internal)
self.assertEqual(info['status_changed_at'], delete_timestamp.internal)
def test_delete_container(self):
# Test AccountBroker.delete_container
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(Timestamp('1').internal)
broker.put_container('o', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
# commit pending file into db
broker._commit_puts()
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 0").fetchone()[0], 1)
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 1").fetchone()[0], 0)
sleep(.00001)
broker.put_container('o', 0, Timestamp.now().internal, 0, 0,
POLICIES.default.idx)
broker._commit_puts()
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 0").fetchone()[0], 0)
self.assertEqual(conn.execute(
"SELECT count(*) FROM container "
"WHERE deleted = 1").fetchone()[0], 1)
def test_put_container(self):
# Test AccountBroker.put_container
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(Timestamp('1').internal)
# Create initial container
timestamp = Timestamp.now().internal
broker.put_container('"{<container \'&\' name>}"', timestamp, 0, 0, 0,
POLICIES.default.idx)
# commit pending file into db
broker._commit_puts()
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT name FROM container").fetchone()[0],
'"{<container \'&\' name>}"')
self.assertEqual(conn.execute(
"SELECT put_timestamp FROM container").fetchone()[0],
timestamp)
self.assertEqual(conn.execute(
"SELECT deleted FROM container").fetchone()[0], 0)
# Reput same event
broker.put_container('"{<container \'&\' name>}"', timestamp, 0, 0, 0,
POLICIES.default.idx)
broker._commit_puts()
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT name FROM container").fetchone()[0],
'"{<container \'&\' name>}"')
self.assertEqual(conn.execute(
"SELECT put_timestamp FROM container").fetchone()[0],
timestamp)
self.assertEqual(conn.execute(
"SELECT deleted FROM container").fetchone()[0], 0)
# Put new event
sleep(.00001)
timestamp = Timestamp.now().internal
broker.put_container('"{<container \'&\' name>}"', timestamp, 0, 0, 0,
POLICIES.default.idx)
broker._commit_puts()
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT name FROM container").fetchone()[0],
'"{<container \'&\' name>}"')
self.assertEqual(conn.execute(
"SELECT put_timestamp FROM container").fetchone()[0],
timestamp)
self.assertEqual(conn.execute(
"SELECT deleted FROM container").fetchone()[0], 0)
# Put old event
otimestamp = Timestamp(float(Timestamp(timestamp)) - 1).internal
broker.put_container('"{<container \'&\' name>}"', otimestamp, 0, 0, 0,
POLICIES.default.idx)
broker._commit_puts()
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT name FROM container").fetchone()[0],
'"{<container \'&\' name>}"')
self.assertEqual(conn.execute(
"SELECT put_timestamp FROM container").fetchone()[0],
timestamp)
self.assertEqual(conn.execute(
"SELECT deleted FROM container").fetchone()[0], 0)
# Put old delete event
dtimestamp = Timestamp(float(Timestamp(timestamp)) - 1).internal
broker.put_container('"{<container \'&\' name>}"', 0, dtimestamp, 0, 0,
POLICIES.default.idx)
broker._commit_puts()
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT name FROM container").fetchone()[0],
'"{<container \'&\' name>}"')
self.assertEqual(conn.execute(
"SELECT put_timestamp FROM container").fetchone()[0],
timestamp)
self.assertEqual(conn.execute(
"SELECT delete_timestamp FROM container").fetchone()[0],
dtimestamp)
self.assertEqual(conn.execute(
"SELECT deleted FROM container").fetchone()[0], 0)
# Put new delete event
sleep(.00001)
timestamp = Timestamp.now().internal
broker.put_container('"{<container \'&\' name>}"', 0, timestamp, 0, 0,
POLICIES.default.idx)
broker._commit_puts()
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT name FROM container").fetchone()[0],
'"{<container \'&\' name>}"')
self.assertEqual(conn.execute(
"SELECT delete_timestamp FROM container").fetchone()[0],
timestamp)
self.assertEqual(conn.execute(
"SELECT deleted FROM container").fetchone()[0], 1)
# Put new event
sleep(.00001)
timestamp = Timestamp.now().internal
broker.put_container('"{<container \'&\' name>}"', timestamp, 0, 0, 0,
POLICIES.default.idx)
broker._commit_puts()
with broker.get() as conn:
self.assertEqual(conn.execute(
"SELECT name FROM container").fetchone()[0],
'"{<container \'&\' name>}"')
self.assertEqual(conn.execute(
"SELECT put_timestamp FROM container").fetchone()[0],
timestamp)
self.assertEqual(conn.execute(
"SELECT deleted FROM container").fetchone()[0], 0)
def test_get_info(self):
# Test AccountBroker.get_info
broker = AccountBroker(self.get_db_path(), account='test1')
broker.initialize(Timestamp('1').internal)
info = broker.get_info()
self.assertEqual(info['account'], 'test1')
self.assertEqual(info['hash'], '00000000000000000000000000000000')
self.assertEqual(info['put_timestamp'], Timestamp(1).internal)
self.assertEqual(info['delete_timestamp'], '0')
if self.__class__ == TestAccountBrokerBeforeMetadata:
self.assertEqual(info['status_changed_at'], '0')
else:
self.assertEqual(info['status_changed_at'], Timestamp(1).internal)
info = broker.get_info()
self.assertEqual(info['container_count'], 0)
broker.put_container('c1', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
info = broker.get_info()
self.assertEqual(info['container_count'], 1)
sleep(.00001)
broker.put_container('c2', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
info = broker.get_info()
self.assertEqual(info['container_count'], 2)
sleep(.00001)
broker.put_container('c2', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
info = broker.get_info()
self.assertEqual(info['container_count'], 2)
sleep(.00001)
broker.put_container('c1', 0, Timestamp.now().internal, 0, 0,
POLICIES.default.idx)
info = broker.get_info()
self.assertEqual(info['container_count'], 1)
sleep(.00001)
broker.put_container('c2', 0, Timestamp.now().internal, 0, 0,
POLICIES.default.idx)
info = broker.get_info()
self.assertEqual(info['container_count'], 0)
def test_list_containers_iter(self):
# Test AccountBroker.list_containers_iter
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(Timestamp('1').internal)
for cont1 in range(4):
for cont2 in range(125):
broker.put_container('%d-%04d' % (cont1, cont2),
Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
for cont in range(125):
broker.put_container('2-0051-%04d' % cont,
Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
for cont in range(125):
broker.put_container('3-%04d-0049' % cont,
Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
listing = broker.list_containers_iter(100, '', None, None, '')
self.assertEqual(len(listing), 100)
self.assertEqual(listing[0][0], '0-0000')
self.assertEqual(listing[-1][0], '0-0099')
listing = broker.list_containers_iter(100, '', '0-0050', None, '')
self.assertEqual(len(listing), 50)
self.assertEqual(listing[0][0], '0-0000')
self.assertEqual(listing[-1][0], '0-0049')
listing = broker.list_containers_iter(100, '0-0099', None, None, '')
self.assertEqual(len(listing), 100)
self.assertEqual(listing[0][0], '0-0100')
self.assertEqual(listing[-1][0], '1-0074')
listing = broker.list_containers_iter(55, '1-0074', None, None, '')
self.assertEqual(len(listing), 55)
self.assertEqual(listing[0][0], '1-0075')
self.assertEqual(listing[-1][0], '2-0004')
listing = broker.list_containers_iter(10, '', None, '0-01', '')
self.assertEqual(len(listing), 10)
self.assertEqual(listing[0][0], '0-0100')
self.assertEqual(listing[-1][0], '0-0109')
listing = broker.list_containers_iter(10, '', None, '0-01', '-')
self.assertEqual(len(listing), 10)
self.assertEqual(listing[0][0], '0-0100')
self.assertEqual(listing[-1][0], '0-0109')
listing = broker.list_containers_iter(10, '', None, '0-00', '-',
reverse=True)
self.assertEqual(len(listing), 10)
self.assertEqual(listing[0][0], '0-0099')
self.assertEqual(listing[-1][0], '0-0090')
listing = broker.list_containers_iter(10, '', None, '0-', '-')
self.assertEqual(len(listing), 10)
self.assertEqual(listing[0][0], '0-0000')
self.assertEqual(listing[-1][0], '0-0009')
listing = broker.list_containers_iter(10, '', None, '0-', '-',
reverse=True)
self.assertEqual(len(listing), 10)
self.assertEqual(listing[0][0], '0-0124')
self.assertEqual(listing[-1][0], '0-0115')
listing = broker.list_containers_iter(10, '', None, '', '-')
self.assertEqual(len(listing), 4)
self.assertEqual([row[0] for row in listing],
['0-', '1-', '2-', '3-'])
listing = broker.list_containers_iter(10, '', None, '', '-',
reverse=True)
self.assertEqual(len(listing), 4)
self.assertEqual([row[0] for row in listing],
['3-', '2-', '1-', '0-'])
listing = broker.list_containers_iter(10, '2-', None, None, '-')
self.assertEqual(len(listing), 1)
self.assertEqual([row[0] for row in listing], ['3-'])
listing = broker.list_containers_iter(10, '2-', None, None, '-',
reverse=True)
self.assertEqual(len(listing), 2)
self.assertEqual([row[0] for row in listing], ['1-', '0-'])
listing = broker.list_containers_iter(10, '2.', None, None, '-',
reverse=True)
self.assertEqual(len(listing), 3)
self.assertEqual([row[0] for row in listing], ['2-', '1-', '0-'])
listing = broker.list_containers_iter(10, '', None, '2', '-')
self.assertEqual(len(listing), 1)
self.assertEqual([row[0] for row in listing], ['2-'])
listing = broker.list_containers_iter(10, '2-0050', None, '2-', '-')
self.assertEqual(len(listing), 10)
self.assertEqual(listing[0][0], '2-0051')
self.assertEqual(listing[1][0], '2-0051-')
self.assertEqual(listing[2][0], '2-0052')
self.assertEqual(listing[-1][0], '2-0059')
listing = broker.list_containers_iter(10, '3-0045', None, '3-', '-')
self.assertEqual(len(listing), 10)
self.assertEqual([row[0] for row in listing],
['3-0045-', '3-0046', '3-0046-', '3-0047',
'3-0047-', '3-0048', '3-0048-', '3-0049',
'3-0049-', '3-0050'])
broker.put_container('3-0049-', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
listing = broker.list_containers_iter(10, '3-0048', None, None, None)
self.assertEqual(len(listing), 10)
self.assertEqual([row[0] for row in listing],
['3-0048-0049', '3-0049', '3-0049-', '3-0049-0049',
'3-0050', '3-0050-0049', '3-0051', '3-0051-0049',
'3-0052', '3-0052-0049'])
listing = broker.list_containers_iter(10, '3-0048', None, '3-', '-')
self.assertEqual(len(listing), 10)
self.assertEqual([row[0] for row in listing],
['3-0048-', '3-0049', '3-0049-', '3-0050',
'3-0050-', '3-0051', '3-0051-', '3-0052',
'3-0052-', '3-0053'])
listing = broker.list_containers_iter(10, None, None, '3-0049-', '-')
self.assertEqual(len(listing), 2)
self.assertEqual([row[0] for row in listing],
['3-0049-', '3-0049-0049'])
def test_list_objects_iter_order_and_reverse(self):
# Test ContainerBroker.list_objects_iter
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(Timestamp('1').internal, 0)
broker.put_container(
'c1', Timestamp(0).internal, 0, 0, 0, POLICIES.default.idx)
broker.put_container(
'c10', Timestamp(0).internal, 0, 0, 0, POLICIES.default.idx)
broker.put_container(
'C1', Timestamp(0).internal, 0, 0, 0, POLICIES.default.idx)
broker.put_container(
'c2', Timestamp(0).internal, 0, 0, 0, POLICIES.default.idx)
broker.put_container(
'c3', Timestamp(0).internal, 0, 0, 0, POLICIES.default.idx)
broker.put_container(
'C4', Timestamp(0).internal, 0, 0, 0, POLICIES.default.idx)
listing = broker.list_containers_iter(100, None, None, '', '',
reverse=False)
self.assertEqual([row[0] for row in listing],
['C1', 'C4', 'c1', 'c10', 'c2', 'c3'])
listing = broker.list_containers_iter(100, None, None, '', '',
reverse=True)
self.assertEqual([row[0] for row in listing],
['c3', 'c2', 'c10', 'c1', 'C4', 'C1'])
listing = broker.list_containers_iter(2, None, None, '', '',
reverse=True)
self.assertEqual([row[0] for row in listing],
['c3', 'c2'])
listing = broker.list_containers_iter(100, 'c2', 'C4', '', '',
reverse=True)
self.assertEqual([row[0] for row in listing],
['c10', 'c1'])
def test_list_container_iter_with_reserved_name(self):
# Test ContainerBroker.list_objects_iter
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(next(self.ts).internal, 0)
broker.put_container(
'foo', next(self.ts).internal, 0, 0, 0, POLICIES.default.idx)
broker.put_container(
get_reserved_name('foo'), next(self.ts).internal, 0, 0, 0,
POLICIES.default.idx)
listing = broker.list_containers_iter(100, None, None, '', '')
self.assertEqual([row[0] for row in listing], ['foo'])
listing = broker.list_containers_iter(100, None, None, '', '',
reverse=True)
self.assertEqual([row[0] for row in listing], ['foo'])
listing = broker.list_containers_iter(100, None, None, '', '',
allow_reserved=True)
self.assertEqual([row[0] for row in listing],
[get_reserved_name('foo'), 'foo'])
listing = broker.list_containers_iter(100, None, None, '', '',
reverse=True,
allow_reserved=True)
self.assertEqual([row[0] for row in listing],
['foo', get_reserved_name('foo')])
def test_reverse_prefix_delim(self):
expectations = [
{
'containers': [
'topdir1-subdir1,0-c1',
'topdir1-subdir1,1-c1',
'topdir1-subdir1-c1',
],
'params': {
'prefix': 'topdir1-',
'delimiter': '-',
},
'expected': [
'topdir1-subdir1,0-',
'topdir1-subdir1,1-',
'topdir1-subdir1-',
],
},
{
'containers': [
'topdir1-subdir1,0-c1',
'topdir1-subdir1,1-c1',
'topdir1-subdir1-c1',
'topdir1-subdir1.',
'topdir1-subdir1.-c1',
],
'params': {
'prefix': 'topdir1-',
'delimiter': '-',
},
'expected': [
'topdir1-subdir1,0-',
'topdir1-subdir1,1-',
'topdir1-subdir1-',
'topdir1-subdir1.',
'topdir1-subdir1.-',
],
},
{
'containers': [
'topdir1-subdir1-c1',
'topdir1-subdir1,0-c1',
'topdir1-subdir1,1-c1',
],
'params': {
'prefix': 'topdir1-',
'delimiter': '-',
'reverse': True,
},
'expected': [
'topdir1-subdir1-',
'topdir1-subdir1,1-',
'topdir1-subdir1,0-',
],
},
{
'containers': [
'topdir1-subdir1.-c1',
'topdir1-subdir1.',
'topdir1-subdir1-c1',
'topdir1-subdir1-',
'topdir1-subdir1,',
'topdir1-subdir1,0-c1',
'topdir1-subdir1,1-c1',
],
'params': {
'prefix': 'topdir1-',
'delimiter': '-',
'reverse': True,
},
'expected': [
'topdir1-subdir1.-',
'topdir1-subdir1.',
'topdir1-subdir1-',
'topdir1-subdir1,1-',
'topdir1-subdir1,0-',
'topdir1-subdir1,',
],
},
{
'containers': [
'1',
'2',
'3:1',
'3:2:1',
'3:2:2',
'3:3',
'4',
],
'params': {
'prefix': '3:',
'delimiter': ':',
'reverse': True,
},
'expected': [
'3:3',
'3:2:',
'3:1',
],
},
]
default_listing_params = {
'limit': 10000,
'marker': '',
'end_marker': None,
'prefix': None,
'delimiter': None,
}
failures = []
for expected in expectations:
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(next(self.ts).internal, 0)
for name in expected['containers']:
broker.put_container(name, next(self.ts).internal, 0, 0, 0,
POLICIES.default.idx)
# commit pending file into db
broker._commit_puts()
params = default_listing_params.copy()
params.update(expected['params'])
listing = list(c[0] for c in broker.list_containers_iter(**params))
if listing != expected['expected']:
expected['listing'] = listing
failures.append(
"With containers %(containers)r, the params %(params)r "
"produced %(listing)r instead of %(expected)r" % expected)
self.assertFalse(failures, "Found the following failures:\n%s" %
'\n'.join(failures))
def test_double_check_trailing_delimiter(self):
# Test AccountBroker.list_containers_iter for an
# account that has an odd container with a trailing delimiter
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(Timestamp('1').internal)
broker.put_container('a', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
broker.put_container('a-', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
broker.put_container('a-a', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
broker.put_container('a-a-a', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
broker.put_container('a-a-b', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
broker.put_container('a-b', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
# NB: ord(".") == ord("-") + 1
broker.put_container('a.', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
broker.put_container('a.b', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
broker.put_container('b', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
broker.put_container('b-a', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
broker.put_container('b-b', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
broker.put_container('c', Timestamp.now().internal, 0, 0, 0,
POLICIES.default.idx)
listing = broker.list_containers_iter(15, None, None, None, None)
self.assertEqual([row[0] for row in listing],
['a', 'a-', 'a-a', 'a-a-a', 'a-a-b', 'a-b', 'a.',
'a.b', 'b', 'b-a', 'b-b', 'c'])
listing = broker.list_containers_iter(15, None, None, '', '-')
self.assertEqual([row[0] for row in listing],
['a', 'a-', 'a.', 'a.b', 'b', 'b-', 'c'])
listing = broker.list_containers_iter(15, None, None, 'a-', '-')
self.assertEqual([row[0] for row in listing],
['a-', 'a-a', 'a-a-', 'a-b'])
listing = broker.list_containers_iter(15, None, None, 'b-', '-')
self.assertEqual([row[0] for row in listing], ['b-a', 'b-b'])
def test_chexor(self):
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(Timestamp('1').internal)
broker.put_container('a', Timestamp(1).internal,
Timestamp(0).internal, 0, 0,
POLICIES.default.idx)
broker.put_container('b', Timestamp(2).internal,
Timestamp(0).internal, 0, 0,
POLICIES.default.idx)
text = '%s-%s' % ('a', "%s-%s-%s-%s" % (
Timestamp(1).internal, Timestamp(0).internal, 0, 0))
hasha = md5(text.encode('ascii'), usedforsecurity=False).digest()
text = '%s-%s' % ('b', "%s-%s-%s-%s" % (
Timestamp(2).internal, Timestamp(0).internal, 0, 0))
hashb = md5(text.encode('ascii'), usedforsecurity=False).digest()
hashc = ''.join(('%02x' % (a ^ b)
for a, b in zip(hasha, hashb)))
self.assertEqual(broker.get_info()['hash'], hashc)
broker.put_container('b', Timestamp(3).internal,
Timestamp(0).internal, 0, 0,
POLICIES.default.idx)
text = '%s-%s' % ('b', "%s-%s-%s-%s" % (
Timestamp(3).internal, Timestamp(0).internal, 0, 0))
hashb = md5(text.encode('ascii'), usedforsecurity=False).digest()
hashc = ''.join(('%02x' % (a ^ b)
for a, b in zip(hasha, hashb)))
self.assertEqual(broker.get_info()['hash'], hashc)
def test_merge_items(self):
broker1 = AccountBroker(self.get_db_path(), account='a')
broker1.initialize(Timestamp('1').internal)
broker2 = AccountBroker(self.get_db_path(), account='a')
broker2.initialize(Timestamp('1').internal)
broker1.put_container('a', Timestamp(1).internal, 0, 0, 0,
POLICIES.default.idx)
broker1.put_container('b', Timestamp(2).internal, 0, 0, 0,
POLICIES.default.idx)
id = broker1.get_info()['id']
broker2.merge_items(broker1.get_items_since(
broker2.get_sync(id), 1000), id)
items = broker2.get_items_since(-1, 1000)
self.assertEqual(len(items), 2)
self.assertEqual(['a', 'b'], sorted([rec['name'] for rec in items]))
broker1.put_container('c', Timestamp(3).internal, 0, 0, 0,
POLICIES.default.idx)
broker2.merge_items(broker1.get_items_since(
broker2.get_sync(id), 1000), id)
items = broker2.get_items_since(-1, 1000)
self.assertEqual(len(items), 3)
self.assertEqual(['a', 'b', 'c'],
sorted([rec['name'] for rec in items]))
def test_merge_items_overwrite_unicode(self):
snowman = u'\N{SNOWMAN}'
broker1 = AccountBroker(self.get_db_path(), account='a')
broker1.initialize(Timestamp('1').internal, 0)
id1 = broker1.get_info()['id']
broker2 = AccountBroker(self.get_db_path(), account='a')
broker2.initialize(Timestamp('1').internal, 0)
broker1.put_container(snowman, Timestamp(2).internal, 0, 1, 100,
POLICIES.default.idx)
broker1.put_container('b', Timestamp(3).internal, 0, 0, 0,
POLICIES.default.idx)
broker2.merge_items(json.loads(json.dumps(broker1.get_items_since(
broker2.get_sync(id1), 1000))), id1)
broker1.put_container(snowman, Timestamp(4).internal, 0, 2, 200,
POLICIES.default.idx)
broker2.merge_items(json.loads(json.dumps(broker1.get_items_since(
broker2.get_sync(id1), 1000))), id1)
items = broker2.get_items_since(-1, 1000)
self.assertEqual(['b', snowman],
sorted([rec['name'] for rec in items]))
items_by_name = dict((rec['name'], rec) for rec in items)
self.assertEqual(items_by_name[snowman]['object_count'], 2)
self.assertEqual(items_by_name[snowman]['bytes_used'], 200)
self.assertEqual(items_by_name['b']['object_count'], 0)
self.assertEqual(items_by_name['b']['bytes_used'], 0)
@with_tempdir
def test_load_old_pending_puts(self, tempdir):
# pending puts from pre-storage-policy account brokers won't contain
# the storage policy index
broker_path = os.path.join(tempdir, 'test-load-old.db')
broker = AccountBroker(broker_path, account='real')
broker.initialize(Timestamp(1).internal)
with open(broker.pending_file, 'a+b') as pending:
pending.write(b':')
pending.write(base64.b64encode(pickle.dumps(
# name, put_timestamp, delete_timestamp, object_count,
# bytes_used, deleted
('oldcon', Timestamp(200).internal,
Timestamp(0).internal,
896, 9216695, 0))))
broker._commit_puts()
with broker.get() as conn:
results = list(conn.execute('''
SELECT name, storage_policy_index FROM container
'''))
self.assertEqual(len(results), 1)
self.assertEqual(dict(results[0]),
{'name': 'oldcon', 'storage_policy_index': 0})
@with_tempdir
def test_get_info_stale_read_ok(self, tempdir):
# test getting a stale read from the db
broker_path = os.path.join(tempdir, 'test-load-old.db')
def mock_commit_puts():
raise sqlite3.OperationalError('unable to open database file')
broker = AccountBroker(broker_path, account='real',
stale_reads_ok=True)
broker.initialize(Timestamp(1).internal)
with open(broker.pending_file, 'a+b') as pending:
pending.write(b':')
pending.write(base64.b64encode(pickle.dumps(
# name, put_timestamp, delete_timestamp, object_count,
# bytes_used, deleted
('oldcon', Timestamp(200).internal,
Timestamp(0).internal,
896, 9216695, 0))))
broker._commit_puts = mock_commit_puts
broker.get_info()
@with_tempdir
def test_get_info_no_stale_reads(self, tempdir):
broker_path = os.path.join(tempdir, 'test-load-old.db')
def mock_commit_puts():
raise sqlite3.OperationalError('unable to open database file')
broker = AccountBroker(broker_path, account='real',
stale_reads_ok=False)
broker.initialize(Timestamp(1).internal)
with open(broker.pending_file, 'a+b') as pending:
pending.write(b':')
pending.write(base64.b64encode(pickle.dumps(
# name, put_timestamp, delete_timestamp, object_count,
# bytes_used, deleted
('oldcon', Timestamp(200).internal,
Timestamp(0).internal,
896, 9216695, 0))))
broker._commit_puts = mock_commit_puts
with self.assertRaises(sqlite3.OperationalError) as exc_context:
broker.get_info()
self.assertIn('unable to open database file',
str(exc_context.exception))
@patch_policies([StoragePolicy(0, 'zero', False),
StoragePolicy(1, 'one', True),
StoragePolicy(2, 'two', False),
StoragePolicy(3, 'three', False)])
def test_get_policy_stats(self):
broker = AccountBroker(self.get_db_path(), account='a')
broker.initialize(next(self.ts).internal)
# check empty policy_stats
self.assertTrue(broker.empty())
policy_stats = broker.get_policy_stats()
self.assertEqual(policy_stats, {})
# add some empty containers
for policy in POLICIES: