135 lines
4.9 KiB
Python
135 lines
4.9 KiB
Python
# Copyright (c) 2010-2012 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from collections import defaultdict
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import itertools
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import unittest
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import time
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import os
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import random
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from swift.account import auditor
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from swift.common.storage_policy import POLICIES
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from swift.common.utils import Timestamp
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from test.unit import debug_logger, patch_policies, with_tempdir
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from test.unit.account.test_backend import (
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AccountBrokerPreTrackContainerCountSetup)
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@patch_policies
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class TestAuditorRealBrokerMigration(
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AccountBrokerPreTrackContainerCountSetup, unittest.TestCase):
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def test_db_migration(self):
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# add a few containers
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policies = itertools.cycle(POLICIES)
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num_containers = len(POLICIES) * 3
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per_policy_container_counts = defaultdict(int)
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for i in range(num_containers):
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name = 'test-container-%02d' % i
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policy = next(policies)
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self.broker.put_container(name, next(self.ts).internal,
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0, 0, 0, int(policy))
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per_policy_container_counts[int(policy)] += 1
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self.broker._commit_puts()
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self.assertEqual(num_containers,
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self.broker.get_info()['container_count'])
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# still un-migrated
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self.assertUnmigrated(self.broker)
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# run auditor, and validate migration
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conf = {'devices': self.tempdir, 'mount_check': False,
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'recon_cache_path': self.tempdir}
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test_auditor = auditor.AccountAuditor(conf, logger=debug_logger())
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test_auditor.run_once()
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self.restore_account_broker()
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broker = auditor.AccountBroker(self.db_path)
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# go after rows directly to avoid unintentional migration
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with broker.get() as conn:
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rows = conn.execute('''
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SELECT storage_policy_index, container_count
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FROM policy_stat
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''').fetchall()
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for policy_index, container_count in rows:
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self.assertEqual(container_count,
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per_policy_container_counts[policy_index])
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class TestAuditorRealBroker(unittest.TestCase):
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def setUp(self):
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self.logger = debug_logger()
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@with_tempdir
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def test_db_validate_fails(self, tempdir):
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ts = (Timestamp(t).internal for t in itertools.count(int(time.time())))
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db_path = os.path.join(tempdir, 'sda', 'accounts',
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'0', '0', '0', 'test.db')
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broker = auditor.AccountBroker(db_path, account='a')
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broker.initialize(next(ts))
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# add a few containers
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policies = itertools.cycle(POLICIES)
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num_containers = len(POLICIES) * 3
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per_policy_container_counts = defaultdict(int)
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for i in range(num_containers):
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name = 'test-container-%02d' % i
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policy = next(policies)
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broker.put_container(name, next(ts), 0, 0, 0, int(policy))
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per_policy_container_counts[int(policy)] += 1
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broker._commit_puts()
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self.assertEqual(broker.get_info()['container_count'], num_containers)
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messed_up_policy = random.choice(list(POLICIES))
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# now mess up a policy_stats table count
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with broker.get() as conn:
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conn.executescript('''
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UPDATE policy_stat
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SET container_count = container_count - 1
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WHERE storage_policy_index = %d;
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''' % int(messed_up_policy))
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# validate it's messed up
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policy_stats = broker.get_policy_stats()
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self.assertEqual(
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policy_stats[int(messed_up_policy)]['container_count'],
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per_policy_container_counts[int(messed_up_policy)] - 1)
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# do an audit
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conf = {'devices': tempdir, 'mount_check': False,
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'recon_cache_path': tempdir}
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test_auditor = auditor.AccountAuditor(conf, logger=self.logger)
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test_auditor.run_once()
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# validate errors
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self.assertEqual(test_auditor.failures, 1)
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error_lines = test_auditor.logger.get_lines_for_level('error')
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self.assertEqual(len(error_lines), 1)
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error_message = error_lines[0]
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self.assertIn(broker.db_file, error_message)
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self.assertIn('container_count', error_message)
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self.assertIn('does not match', error_message)
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self.assertEqual(test_auditor.logger.get_increment_counts(),
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{'failures': 1})
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if __name__ == '__main__':
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unittest.main()
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