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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.
import os
import time
import unittest
import shutil
from swift.account import replicator, backend, server
from swift.common.utils import normalize_timestamp
from swift.common.storage_policy import POLICIES
from test.unit.common import test_db_replicator
class TestReplicatorSync(test_db_replicator.TestReplicatorSync):
backend = backend.AccountBroker
datadir = server.DATADIR
replicator_daemon = replicator.AccountReplicator
def test_sync(self):
broker = self._get_broker('a', node_index=0)
put_timestamp = normalize_timestamp(time.time())
broker.initialize(put_timestamp)
# "replicate" to same database
daemon = replicator.AccountReplicator({})
part, node = self._get_broker_part_node(broker)
info = broker.get_replication_info()
success = daemon._repl_to_node(node, broker, part, info)
# nothing to do
self.assertTrue(success)
self.assertEqual(1, daemon.stats['no_change'])
def test_sync_remote_missing(self):
broker = self._get_broker('a', node_index=0)
put_timestamp = time.time()
broker.initialize(put_timestamp)
# "replicate" to all other nodes
part, node = self._get_broker_part_node(broker)
daemon = self._run_once(node)
# complete rsync
self.assertEqual(2, daemon.stats['rsync'])
local_info = self._get_broker(
'a', node_index=0).get_info()
for i in range(1, 3):
remote_broker = self._get_broker('a', node_index=i)
self.assertTrue(os.path.exists(remote_broker.db_file))
remote_info = remote_broker.get_info()
for k, v in local_info.items():
if k == 'id':
continue
self.assertEqual(remote_info[k], v,
"mismatch remote %s %r != %r" % (
k, remote_info[k], v))
def test_sync_remote_missing_most_rows(self):
put_timestamp = time.time()
# create "local" broker
broker = self._get_broker('a', node_index=0)
broker.initialize(put_timestamp)
# create "remote" broker
remote_broker = self._get_broker('a', node_index=1)
remote_broker.initialize(put_timestamp)
# add a row to "local" db
broker.put_container('/a/c', time.time(), 0, 0, 0,
POLICIES.default.idx)
#replicate
daemon = replicator.AccountReplicator({})
def _rsync_file(db_file, remote_file, **kwargs):
remote_server, remote_path = remote_file.split('/', 1)
dest_path = os.path.join(self.root, remote_path)
shutil.copy(db_file, dest_path)
return True
daemon._rsync_file = _rsync_file
part, node = self._get_broker_part_node(remote_broker)
info = broker.get_replication_info()
success = daemon._repl_to_node(node, broker, part, info)
self.assertTrue(success)
# row merge
self.assertEqual(1, daemon.stats['remote_merge'])
local_info = self._get_broker(
'a', node_index=0).get_info()
remote_info = self._get_broker(
'a', node_index=1).get_info()
for k, v in local_info.items():
if k == 'id':
continue
self.assertEqual(remote_info[k], v,
"mismatch remote %s %r != %r" % (
k, remote_info[k], v))
def test_sync_remote_missing_one_rows(self):
put_timestamp = time.time()
# create "local" broker
broker = self._get_broker('a', node_index=0)
broker.initialize(put_timestamp)
# create "remote" broker
remote_broker = self._get_broker('a', node_index=1)
remote_broker.initialize(put_timestamp)
# add some rows to both db
for i in range(10):
put_timestamp = time.time()
for db in (broker, remote_broker):
path = '/a/c_%s' % i
db.put_container(path, put_timestamp, 0, 0, 0,
POLICIES.default.idx)
# now a row to the "local" broker only
broker.put_container('/a/c_missing', time.time(), 0, 0, 0,
POLICIES.default.idx)
# replicate
daemon = replicator.AccountReplicator({})
part, node = self._get_broker_part_node(remote_broker)
info = broker.get_replication_info()
success = daemon._repl_to_node(node, broker, part, info)
self.assertTrue(success)
# row merge
self.assertEqual(1, daemon.stats['diff'])
local_info = self._get_broker(
'a', node_index=0).get_info()
remote_info = self._get_broker(
'a', node_index=1).get_info()
for k, v in local_info.items():
if k == 'id':
continue
self.assertEqual(remote_info[k], v,
"mismatch remote %s %r != %r" % (
k, remote_info[k], v))
if __name__ == '__main__':
unittest.main()
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