862 lines
34 KiB
Python
862 lines
34 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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import unittest
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from contextlib import contextmanager
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import os
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import logging
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import errno
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import math
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from mock import patch
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from shutil import rmtree
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from tempfile import mkdtemp, NamedTemporaryFile
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import mock
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import simplejson
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from swift.common import db_replicator
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from swift.common.utils import normalize_timestamp
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from swift.container import server as container_server
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from swift.common.exceptions import DriveNotMounted
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from test.unit import FakeLogger
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TEST_ACCOUNT_NAME = 'a c t'
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TEST_CONTAINER_NAME = 'c o n'
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def teardown_module():
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"clean up my monkey patching"
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reload(db_replicator)
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@contextmanager
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def lock_parent_directory(filename):
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yield True
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class FakeRing:
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class Ring:
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devs = []
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def __init__(self, path, reload_time=15, ring_name=None):
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pass
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def get_part(self, account, container=None, obj=None):
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return 0
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def get_part_nodes(self, part):
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return []
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def get_more_nodes(self, *args):
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return []
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class FakeRingWithNodes:
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class Ring:
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devs = [dict(
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id=1, weight=10.0, zone=1, ip='1.1.1.1', port=6000, device='sdb',
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meta=''
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), dict(
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id=2, weight=10.0, zone=2, ip='1.1.1.2', port=6000, device='sdb',
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meta=''
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), dict(
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id=3, weight=10.0, zone=3, ip='1.1.1.3', port=6000, device='sdb',
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meta=''
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), dict(
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id=4, weight=10.0, zone=4, ip='1.1.1.4', port=6000, device='sdb',
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meta=''
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), dict(
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id=5, weight=10.0, zone=5, ip='1.1.1.5', port=6000, device='sdb',
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meta=''
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), dict(
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id=6, weight=10.0, zone=6, ip='1.1.1.6', port=6000, device='sdb',
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meta='')]
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def __init__(self, path, reload_time=15, ring_name=None):
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pass
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def get_part(self, account, container=None, obj=None):
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return 0
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def get_part_nodes(self, part):
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return self.devs[:3]
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def get_more_nodes(self, *args):
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return (d for d in self.devs[3:])
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class FakeProcess:
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def __init__(self, *codes):
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self.codes = iter(codes)
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self.args = None
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self.kwargs = None
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def __call__(self, *args, **kwargs):
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self.args = args
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self.kwargs = kwargs
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class Failure:
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def communicate(innerself):
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next = self.codes.next()
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if isinstance(next, int):
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innerself.returncode = next
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return next
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raise next
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return Failure()
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@contextmanager
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def _mock_process(*args):
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orig_process = db_replicator.subprocess.Popen
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db_replicator.subprocess.Popen = FakeProcess(*args)
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yield db_replicator.subprocess.Popen
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db_replicator.subprocess.Popen = orig_process
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class ReplHttp:
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def __init__(self, response=None, set_status=200):
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self.response = response
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self.set_status = set_status
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replicated = False
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host = 'localhost'
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def replicate(self, *args):
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self.replicated = True
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class Response:
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status = self.set_status
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data = self.response
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def read(innerself):
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return self.response
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return Response()
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class ChangingMtimesOs:
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def __init__(self):
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self.mtime = 0
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def __call__(self, *args, **kwargs):
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self.mtime += 1
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return self.mtime
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class FakeBroker:
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db_file = __file__
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get_repl_missing_table = False
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stub_replication_info = None
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db_type = 'container'
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info = {'account': TEST_ACCOUNT_NAME, 'container': TEST_CONTAINER_NAME}
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def __init__(self, *args, **kwargs):
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self.locked = False
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return None
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@contextmanager
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def lock(self):
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self.locked = True
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yield True
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self.locked = False
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def get_sync(self, *args, **kwargs):
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return 5
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def get_syncs(self):
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return []
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def get_items_since(self, point, *args):
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if point == 0:
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return [{'ROWID': 1}]
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return []
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def merge_syncs(self, *args, **kwargs):
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self.args = args
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def merge_items(self, *args):
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self.args = args
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def get_replication_info(self):
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if self.get_repl_missing_table:
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raise Exception('no such table')
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if self.stub_replication_info:
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return self.stub_replication_info
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return {'delete_timestamp': 0, 'put_timestamp': 1, 'count': 0}
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def reclaim(self, item_timestamp, sync_timestamp):
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pass
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def get_info(self):
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return self.info
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class FakeAccountBroker(FakeBroker):
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db_type = 'account'
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info = {'account': TEST_ACCOUNT_NAME}
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class TestReplicator(db_replicator.Replicator):
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server_type = 'container'
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ring_file = 'container.ring.gz'
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brokerclass = FakeBroker
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datadir = container_server.DATADIR
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default_port = 1000
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class TestDBReplicator(unittest.TestCase):
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def setUp(self):
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db_replicator.ring = FakeRing()
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self.delete_db_calls = []
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self._patchers = []
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def tearDown(self):
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for patcher in self._patchers:
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patcher.stop()
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def _patch(self, patching_fn, *args, **kwargs):
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patcher = patching_fn(*args, **kwargs)
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patched_thing = patcher.start()
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self._patchers.append(patcher)
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return patched_thing
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def stub_delete_db(self, object_file):
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self.delete_db_calls.append(object_file)
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def test_repl_connection(self):
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node = {'replication_ip': '127.0.0.1', 'replication_port': 80,
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'device': 'sdb1'}
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conn = db_replicator.ReplConnection(node, '1234567890', 'abcdefg',
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logging.getLogger())
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def req(method, path, body, headers):
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self.assertEquals(method, 'REPLICATE')
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self.assertEquals(headers['Content-Type'], 'application/json')
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class Resp:
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def read(self):
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return 'data'
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resp = Resp()
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conn.request = req
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conn.getresponse = lambda *args: resp
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self.assertEquals(conn.replicate(1, 2, 3), resp)
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def other_req(method, path, body, headers):
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raise Exception('blah')
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conn.request = other_req
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self.assertEquals(conn.replicate(1, 2, 3), None)
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def test_rsync_file(self):
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replicator = TestReplicator({})
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with _mock_process(-1):
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self.assertEquals(
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False,
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replicator._rsync_file('/some/file', 'remote:/some/file'))
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with _mock_process(0):
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self.assertEquals(
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True,
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replicator._rsync_file('/some/file', 'remote:/some/file'))
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def test_rsync_file_popen_args(self):
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replicator = TestReplicator({})
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with _mock_process(0) as process:
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replicator._rsync_file('/some/file', 'remote:/some_file')
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exp_args = ([
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'rsync', '--quiet', '--no-motd',
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'--timeout=%s' % int(math.ceil(replicator.node_timeout)),
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'--contimeout=%s' % int(math.ceil(replicator.conn_timeout)),
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'--whole-file', '/some/file', 'remote:/some_file'],)
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self.assertEqual(exp_args, process.args)
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def test_rsync_file_popen_args_whole_file_false(self):
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replicator = TestReplicator({})
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with _mock_process(0) as process:
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replicator._rsync_file('/some/file', 'remote:/some_file', False)
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exp_args = ([
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'rsync', '--quiet', '--no-motd',
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'--timeout=%s' % int(math.ceil(replicator.node_timeout)),
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'--contimeout=%s' % int(math.ceil(replicator.conn_timeout)),
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'/some/file', 'remote:/some_file'],)
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self.assertEqual(exp_args, process.args)
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def test_rsync_db(self):
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replicator = TestReplicator({})
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replicator._rsync_file = lambda *args: True
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fake_device = {'replication_ip': '127.0.0.1', 'device': 'sda1'}
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replicator._rsync_db(FakeBroker(), fake_device, ReplHttp(), 'abcd')
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def test_rsync_db_rsync_file_call(self):
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fake_device = {'ip': '127.0.0.1', 'port': '0',
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'replication_ip': '127.0.0.1', 'replication_port': '0',
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'device': 'sda1'}
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def mock_rsync_ip(ip):
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self.assertEquals(fake_device['ip'], ip)
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return 'rsync_ip(%s)' % ip
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class MyTestReplicator(TestReplicator):
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def __init__(self, db_file, remote_file):
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super(MyTestReplicator, self).__init__({})
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self.db_file = db_file
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self.remote_file = remote_file
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def _rsync_file(self_, db_file, remote_file, whole_file=True):
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self.assertEqual(self_.db_file, db_file)
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self.assertEqual(self_.remote_file, remote_file)
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self_._rsync_file_called = True
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return False
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with patch('swift.common.db_replicator.rsync_ip', mock_rsync_ip):
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broker = FakeBroker()
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remote_file = 'rsync_ip(127.0.0.1)::container/sda1/tmp/abcd'
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replicator = MyTestReplicator(broker.db_file, remote_file)
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replicator._rsync_db(broker, fake_device, ReplHttp(), 'abcd')
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self.assert_(replicator._rsync_file_called)
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with patch('swift.common.db_replicator.rsync_ip', mock_rsync_ip):
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broker = FakeBroker()
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remote_file = 'rsync_ip(127.0.0.1)::container0/sda1/tmp/abcd'
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replicator = MyTestReplicator(broker.db_file, remote_file)
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replicator.vm_test_mode = True
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replicator._rsync_db(broker, fake_device, ReplHttp(), 'abcd')
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self.assert_(replicator._rsync_file_called)
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def test_rsync_db_rsync_file_failure(self):
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class MyTestReplicator(TestReplicator):
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def __init__(self):
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super(MyTestReplicator, self).__init__({})
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self._rsync_file_called = False
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def _rsync_file(self_, *args, **kwargs):
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self.assertEqual(
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False, self_._rsync_file_called,
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'_sync_file() should only be called once')
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self_._rsync_file_called = True
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return False
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with patch('os.path.exists', lambda *args: True):
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replicator = MyTestReplicator()
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fake_device = {'ip': '127.0.0.1', 'replication_ip': '127.0.0.1',
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'device': 'sda1'}
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replicator._rsync_db(FakeBroker(), fake_device, ReplHttp(), 'abcd')
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self.assertEqual(True, replicator._rsync_file_called)
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def test_rsync_db_change_after_sync(self):
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class MyTestReplicator(TestReplicator):
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def __init__(self, broker):
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super(MyTestReplicator, self).__init__({})
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self.broker = broker
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self._rsync_file_call_count = 0
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def _rsync_file(self_, db_file, remote_file, whole_file=True):
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self_._rsync_file_call_count += 1
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if self_._rsync_file_call_count == 1:
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self.assertEquals(True, whole_file)
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self.assertEquals(False, self_.broker.locked)
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elif self_._rsync_file_call_count == 2:
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self.assertEquals(False, whole_file)
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self.assertEquals(True, self_.broker.locked)
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else:
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raise RuntimeError('_rsync_file() called too many times')
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return True
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# with journal file
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with patch('os.path.exists', lambda *args: True):
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broker = FakeBroker()
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replicator = MyTestReplicator(broker)
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fake_device = {'ip': '127.0.0.1', 'replication_ip': '127.0.0.1',
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'device': 'sda1'}
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replicator._rsync_db(broker, fake_device, ReplHttp(), 'abcd')
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self.assertEquals(2, replicator._rsync_file_call_count)
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# with new mtime
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with patch('os.path.exists', lambda *args: False):
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with patch('os.path.getmtime', ChangingMtimesOs()):
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broker = FakeBroker()
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replicator = MyTestReplicator(broker)
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fake_device = {'ip': '127.0.0.1',
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'replication_ip': '127.0.0.1',
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'device': 'sda1'}
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replicator._rsync_db(broker, fake_device, ReplHttp(), 'abcd')
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self.assertEquals(2, replicator._rsync_file_call_count)
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def test_in_sync(self):
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replicator = TestReplicator({})
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self.assertEquals(replicator._in_sync(
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{'id': 'a', 'point': 0, 'max_row': 0, 'hash': 'b'},
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{'id': 'a', 'point': -1, 'max_row': 0, 'hash': 'b'},
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FakeBroker(), -1), True)
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self.assertEquals(replicator._in_sync(
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{'id': 'a', 'point': -1, 'max_row': 0, 'hash': 'b'},
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{'id': 'a', 'point': -1, 'max_row': 10, 'hash': 'b'},
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FakeBroker(), -1), True)
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self.assertEquals(bool(replicator._in_sync(
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{'id': 'a', 'point': -1, 'max_row': 0, 'hash': 'c'},
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{'id': 'a', 'point': -1, 'max_row': 10, 'hash': 'd'},
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FakeBroker(), -1)), False)
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def test_run_once(self):
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replicator = TestReplicator({})
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replicator.run_once()
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def test_usync(self):
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fake_http = ReplHttp()
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replicator = TestReplicator({})
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replicator._usync_db(0, FakeBroker(), fake_http, '12345', '67890')
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def test_stats(self):
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# I'm not sure how to test that this logs the right thing,
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# but we can at least make sure it gets covered.
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replicator = TestReplicator({})
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replicator._zero_stats()
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replicator._report_stats()
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def test_replicate_object(self):
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db_replicator.ring = FakeRingWithNodes()
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replicator = TestReplicator({})
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replicator.delete_db = self.stub_delete_db
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replicator._replicate_object('0', '/path/to/file', 'node_id')
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self.assertEquals([], self.delete_db_calls)
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def test_replicate_object_quarantine(self):
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replicator = TestReplicator({})
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self._patch(patch.object, replicator.brokerclass, 'db_file',
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'/a/b/c/d/e/hey')
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self._patch(patch.object, replicator.brokerclass,
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'get_repl_missing_table', True)
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def mock_renamer(was, new, cause_colision=False):
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if cause_colision and '-' not in new:
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raise OSError(errno.EEXIST, "File already exists")
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self.assertEquals('/a/b/c/d/e', was)
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if '-' in new:
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self.assert_(
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new.startswith('/a/quarantined/containers/e-'))
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else:
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self.assertEquals('/a/quarantined/containers/e', new)
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def mock_renamer_error(was, new):
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return mock_renamer(was, new, cause_colision=True)
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with patch.object(db_replicator, 'renamer', mock_renamer):
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replicator._replicate_object('0', 'file', 'node_id')
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# try the double quarantine
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with patch.object(db_replicator, 'renamer', mock_renamer_error):
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replicator._replicate_object('0', 'file', 'node_id')
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def test_replicate_object_delete_because_deleted(self):
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replicator = TestReplicator({})
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try:
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replicator.delete_db = self.stub_delete_db
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replicator.brokerclass.stub_replication_info = {
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'delete_timestamp': 2, 'put_timestamp': 1, 'count': 0}
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replicator._replicate_object('0', '/path/to/file', 'node_id')
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finally:
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replicator.brokerclass.stub_replication_info = None
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self.assertEquals(['/path/to/file'], self.delete_db_calls)
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def test_replicate_object_delete_because_not_shouldbehere(self):
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replicator = TestReplicator({})
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replicator.delete_db = self.stub_delete_db
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replicator._replicate_object('0', '/path/to/file', 'node_id')
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self.assertEquals(['/path/to/file'], self.delete_db_calls)
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def test_replicate_account_out_of_place(self):
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replicator = TestReplicator({})
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replicator.ring = FakeRingWithNodes().Ring('path')
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replicator.brokerclass = FakeAccountBroker
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replicator._repl_to_node = lambda *args: True
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replicator.delete_db = self.stub_delete_db
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replicator.logger = FakeLogger()
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# Correct node_id, wrong part
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part = replicator.ring.get_part(TEST_ACCOUNT_NAME) + 1
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|
node_id = replicator.ring.get_part_nodes(part)[0]['id']
|
|
replicator._replicate_object(str(part), '/path/to/file', node_id)
|
|
self.assertEqual(['/path/to/file'], self.delete_db_calls)
|
|
self.assertEqual(
|
|
replicator.logger.log_dict['error'],
|
|
[(('Found /path/to/file for /a%20c%20t when it should be on '
|
|
'partition 0; will replicate out and remove.',), {})])
|
|
|
|
def test_replicate_container_out_of_place(self):
|
|
replicator = TestReplicator({})
|
|
replicator.ring = FakeRingWithNodes().Ring('path')
|
|
replicator._repl_to_node = lambda *args: True
|
|
replicator.delete_db = self.stub_delete_db
|
|
replicator.logger = FakeLogger()
|
|
# Correct node_id, wrong part
|
|
part = replicator.ring.get_part(
|
|
TEST_ACCOUNT_NAME, TEST_CONTAINER_NAME) + 1
|
|
node_id = replicator.ring.get_part_nodes(part)[0]['id']
|
|
replicator._replicate_object(str(part), '/path/to/file', node_id)
|
|
self.assertEqual(['/path/to/file'], self.delete_db_calls)
|
|
self.assertEqual(
|
|
replicator.logger.log_dict['error'],
|
|
[(('Found /path/to/file for /a%20c%20t/c%20o%20n when it should '
|
|
'be on partition 0; will replicate out and remove.',), {})])
|
|
|
|
def test_delete_db(self):
|
|
db_replicator.lock_parent_directory = lock_parent_directory
|
|
replicator = TestReplicator({})
|
|
replicator._zero_stats()
|
|
replicator.extract_device = lambda _: 'some_device'
|
|
replicator.logger = FakeLogger()
|
|
|
|
temp_dir = mkdtemp()
|
|
try:
|
|
temp_suf_dir = os.path.join(temp_dir, '16e')
|
|
os.mkdir(temp_suf_dir)
|
|
temp_hash_dir = os.path.join(temp_suf_dir,
|
|
'166e33924a08ede4204871468c11e16e')
|
|
os.mkdir(temp_hash_dir)
|
|
temp_file = NamedTemporaryFile(dir=temp_hash_dir, delete=False)
|
|
temp_hash_dir2 = os.path.join(temp_suf_dir,
|
|
'266e33924a08ede4204871468c11e16e')
|
|
os.mkdir(temp_hash_dir2)
|
|
temp_file2 = NamedTemporaryFile(dir=temp_hash_dir2, delete=False)
|
|
|
|
# sanity-checks
|
|
self.assertTrue(os.path.exists(temp_dir))
|
|
self.assertTrue(os.path.exists(temp_suf_dir))
|
|
self.assertTrue(os.path.exists(temp_hash_dir))
|
|
self.assertTrue(os.path.exists(temp_file.name))
|
|
self.assertTrue(os.path.exists(temp_hash_dir2))
|
|
self.assertTrue(os.path.exists(temp_file2.name))
|
|
self.assertEqual(0, replicator.stats['remove'])
|
|
|
|
replicator.delete_db(temp_file.name)
|
|
|
|
self.assertTrue(os.path.exists(temp_dir))
|
|
self.assertTrue(os.path.exists(temp_suf_dir))
|
|
self.assertFalse(os.path.exists(temp_hash_dir))
|
|
self.assertFalse(os.path.exists(temp_file.name))
|
|
self.assertTrue(os.path.exists(temp_hash_dir2))
|
|
self.assertTrue(os.path.exists(temp_file2.name))
|
|
self.assertEqual([(('removes.some_device',), {})],
|
|
replicator.logger.log_dict['increment'])
|
|
self.assertEqual(1, replicator.stats['remove'])
|
|
|
|
replicator.delete_db(temp_file2.name)
|
|
|
|
self.assertTrue(os.path.exists(temp_dir))
|
|
self.assertFalse(os.path.exists(temp_suf_dir))
|
|
self.assertFalse(os.path.exists(temp_hash_dir))
|
|
self.assertFalse(os.path.exists(temp_file.name))
|
|
self.assertFalse(os.path.exists(temp_hash_dir2))
|
|
self.assertFalse(os.path.exists(temp_file2.name))
|
|
self.assertEqual([(('removes.some_device',), {})] * 2,
|
|
replicator.logger.log_dict['increment'])
|
|
self.assertEqual(2, replicator.stats['remove'])
|
|
finally:
|
|
rmtree(temp_dir)
|
|
|
|
def test_extract_device(self):
|
|
replicator = TestReplicator({'devices': '/some/root'})
|
|
self.assertEqual('some_device', replicator.extract_device(
|
|
'/some/root/some_device/deeper/and/deeper'))
|
|
|
|
# def test_dispatch(self):
|
|
# rpc = db_replicator.ReplicatorRpc('/', '/', FakeBroker, False)
|
|
# no_op = lambda *args, **kwargs: True
|
|
# self.assertEquals(rpc.dispatch(('drv', 'part', 'hash'), ('op',)
|
|
# ).status_int, 400)
|
|
# rpc.mount_check = True
|
|
# self.assertEquals(rpc.dispatch(('drv', 'part', 'hash'), ['op',]
|
|
# ).status_int, 507)
|
|
# rpc.mount_check = False
|
|
# rpc.rsync_then_merge = lambda drive, db_file,
|
|
# args: self.assertEquals(args, ['test1'])
|
|
# rpc.complete_rsync = lambda drive, db_file,
|
|
# args: self.assertEquals(args, ['test2'])
|
|
# rpc.dispatch(('drv', 'part', 'hash'), ['rsync_then_merge','test1'])
|
|
# rpc.dispatch(('drv', 'part', 'hash'), ['complete_rsync','test2'])
|
|
# rpc.dispatch(('drv', 'part', 'hash'), ['other_op',])
|
|
|
|
def test_rsync_then_merge(self):
|
|
rpc = db_replicator.ReplicatorRpc('/', '/', FakeBroker, False)
|
|
rpc.rsync_then_merge('sda1', '/srv/swift/blah', ('a', 'b'))
|
|
|
|
def test_merge_items(self):
|
|
rpc = db_replicator.ReplicatorRpc('/', '/', FakeBroker, False)
|
|
fake_broker = FakeBroker()
|
|
args = ('a', 'b')
|
|
rpc.merge_items(fake_broker, args)
|
|
self.assertEquals(fake_broker.args, args)
|
|
|
|
def test_merge_syncs(self):
|
|
rpc = db_replicator.ReplicatorRpc('/', '/', FakeBroker, False)
|
|
fake_broker = FakeBroker()
|
|
args = ('a', 'b')
|
|
rpc.merge_syncs(fake_broker, args)
|
|
self.assertEquals(fake_broker.args, (args[0],))
|
|
|
|
def test_roundrobin_datadirs(self):
|
|
listdir_calls = []
|
|
isdir_calls = []
|
|
exists_calls = []
|
|
shuffle_calls = []
|
|
|
|
def _listdir(path):
|
|
listdir_calls.append(path)
|
|
if not path.startswith('/srv/node/sda/containers') and \
|
|
not path.startswith('/srv/node/sdb/containers'):
|
|
return []
|
|
path = path[len('/srv/node/sdx/containers'):]
|
|
if path == '':
|
|
return ['123', '456', '789'] # 456 will pretend to be a file
|
|
elif path == '/123':
|
|
return ['abc', 'def.db'] # def.db will pretend to be a file
|
|
elif path == '/123/abc':
|
|
# 11111111111111111111111111111abc will pretend to be a file
|
|
return ['00000000000000000000000000000abc',
|
|
'11111111111111111111111111111abc']
|
|
elif path == '/123/abc/00000000000000000000000000000abc':
|
|
return ['00000000000000000000000000000abc.db',
|
|
# This other.db isn't in the right place, so should be
|
|
# ignored later.
|
|
'000000000000000000000000000other.db',
|
|
'weird1'] # weird1 will pretend to be a dir, if asked
|
|
elif path == '/789':
|
|
return ['ghi', 'jkl'] # jkl will pretend to be a file
|
|
elif path == '/789/ghi':
|
|
# 33333333333333333333333333333ghi will pretend to be a file
|
|
return ['22222222222222222222222222222ghi',
|
|
'33333333333333333333333333333ghi']
|
|
elif path == '/789/ghi/22222222222222222222222222222ghi':
|
|
return ['22222222222222222222222222222ghi.db',
|
|
'weird2'] # weird2 will pretend to be a dir, if asked
|
|
return []
|
|
|
|
def _isdir(path):
|
|
isdir_calls.append(path)
|
|
if not path.startswith('/srv/node/sda/containers') and \
|
|
not path.startswith('/srv/node/sdb/containers'):
|
|
return False
|
|
path = path[len('/srv/node/sdx/containers'):]
|
|
if path in ('/123', '/123/abc',
|
|
'/123/abc/00000000000000000000000000000abc',
|
|
'/123/abc/00000000000000000000000000000abc/weird1',
|
|
'/789', '/789/ghi',
|
|
'/789/ghi/22222222222222222222222222222ghi',
|
|
'/789/ghi/22222222222222222222222222222ghi/weird2'):
|
|
return True
|
|
return False
|
|
|
|
def _exists(arg):
|
|
exists_calls.append(arg)
|
|
return True
|
|
|
|
def _shuffle(arg):
|
|
shuffle_calls.append(arg)
|
|
|
|
orig_listdir = db_replicator.os.listdir
|
|
orig_isdir = db_replicator.os.path.isdir
|
|
orig_exists = db_replicator.os.path.exists
|
|
orig_shuffle = db_replicator.random.shuffle
|
|
try:
|
|
db_replicator.os.listdir = _listdir
|
|
db_replicator.os.path.isdir = _isdir
|
|
db_replicator.os.path.exists = _exists
|
|
db_replicator.random.shuffle = _shuffle
|
|
datadirs = [('/srv/node/sda/containers', 1),
|
|
('/srv/node/sdb/containers', 2)]
|
|
results = list(db_replicator.roundrobin_datadirs(datadirs))
|
|
# The results show that the .db files are returned, the devices
|
|
# interleaved.
|
|
self.assertEquals(results, [
|
|
('123', '/srv/node/sda/containers/123/abc/'
|
|
'00000000000000000000000000000abc/'
|
|
'00000000000000000000000000000abc.db', 1),
|
|
('123', '/srv/node/sdb/containers/123/abc/'
|
|
'00000000000000000000000000000abc/'
|
|
'00000000000000000000000000000abc.db', 2),
|
|
('789', '/srv/node/sda/containers/789/ghi/'
|
|
'22222222222222222222222222222ghi/'
|
|
'22222222222222222222222222222ghi.db', 1),
|
|
('789', '/srv/node/sdb/containers/789/ghi/'
|
|
'22222222222222222222222222222ghi/'
|
|
'22222222222222222222222222222ghi.db', 2)])
|
|
# The listdir calls show that we only listdir the dirs
|
|
self.assertEquals(listdir_calls, [
|
|
'/srv/node/sda/containers',
|
|
'/srv/node/sda/containers/123',
|
|
'/srv/node/sda/containers/123/abc',
|
|
'/srv/node/sdb/containers',
|
|
'/srv/node/sdb/containers/123',
|
|
'/srv/node/sdb/containers/123/abc',
|
|
'/srv/node/sda/containers/789',
|
|
'/srv/node/sda/containers/789/ghi',
|
|
'/srv/node/sdb/containers/789',
|
|
'/srv/node/sdb/containers/789/ghi'])
|
|
# The isdir calls show that we did ask about the things pretending
|
|
# to be files at various levels.
|
|
self.assertEquals(isdir_calls, [
|
|
'/srv/node/sda/containers/123',
|
|
'/srv/node/sda/containers/123/abc',
|
|
('/srv/node/sda/containers/123/abc/'
|
|
'00000000000000000000000000000abc'),
|
|
'/srv/node/sdb/containers/123',
|
|
'/srv/node/sdb/containers/123/abc',
|
|
('/srv/node/sdb/containers/123/abc/'
|
|
'00000000000000000000000000000abc'),
|
|
('/srv/node/sda/containers/123/abc/'
|
|
'11111111111111111111111111111abc'),
|
|
'/srv/node/sda/containers/123/def.db',
|
|
'/srv/node/sda/containers/456',
|
|
'/srv/node/sda/containers/789',
|
|
'/srv/node/sda/containers/789/ghi',
|
|
('/srv/node/sda/containers/789/ghi/'
|
|
'22222222222222222222222222222ghi'),
|
|
('/srv/node/sdb/containers/123/abc/'
|
|
'11111111111111111111111111111abc'),
|
|
'/srv/node/sdb/containers/123/def.db',
|
|
'/srv/node/sdb/containers/456',
|
|
'/srv/node/sdb/containers/789',
|
|
'/srv/node/sdb/containers/789/ghi',
|
|
('/srv/node/sdb/containers/789/ghi/'
|
|
'22222222222222222222222222222ghi'),
|
|
('/srv/node/sda/containers/789/ghi/'
|
|
'33333333333333333333333333333ghi'),
|
|
'/srv/node/sda/containers/789/jkl',
|
|
('/srv/node/sdb/containers/789/ghi/'
|
|
'33333333333333333333333333333ghi'),
|
|
'/srv/node/sdb/containers/789/jkl'])
|
|
# The exists calls are the .db files we looked for as we walked the
|
|
# structure.
|
|
self.assertEquals(exists_calls, [
|
|
('/srv/node/sda/containers/123/abc/'
|
|
'00000000000000000000000000000abc/'
|
|
'00000000000000000000000000000abc.db'),
|
|
('/srv/node/sdb/containers/123/abc/'
|
|
'00000000000000000000000000000abc/'
|
|
'00000000000000000000000000000abc.db'),
|
|
('/srv/node/sda/containers/789/ghi/'
|
|
'22222222222222222222222222222ghi/'
|
|
'22222222222222222222222222222ghi.db'),
|
|
('/srv/node/sdb/containers/789/ghi/'
|
|
'22222222222222222222222222222ghi/'
|
|
'22222222222222222222222222222ghi.db')])
|
|
# Shows that we called shuffle twice, once for each device.
|
|
self.assertEquals(
|
|
shuffle_calls, [['123', '456', '789'], ['123', '456', '789']])
|
|
finally:
|
|
db_replicator.os.listdir = orig_listdir
|
|
db_replicator.os.path.isdir = orig_isdir
|
|
db_replicator.os.path.exists = orig_exists
|
|
db_replicator.random.shuffle = orig_shuffle
|
|
|
|
@mock.patch("swift.common.db_replicator.ReplConnection", mock.Mock())
|
|
def test_http_connect(self):
|
|
node = "node"
|
|
partition = "partition"
|
|
db_file = __file__
|
|
replicator = TestReplicator({})
|
|
replicator._http_connect(node, partition, db_file)
|
|
db_replicator.ReplConnection.assert_has_calls(
|
|
mock.call(node, partition,
|
|
os.path.basename(db_file).split('.', 1)[0],
|
|
replicator.logger))
|
|
|
|
|
|
class TestReplToNode(unittest.TestCase):
|
|
def setUp(self):
|
|
db_replicator.ring = FakeRing()
|
|
self.delete_db_calls = []
|
|
self.broker = FakeBroker()
|
|
self.replicator = TestReplicator({})
|
|
self.fake_node = {'ip': '127.0.0.1', 'device': 'sda1', 'port': 1000}
|
|
self.fake_info = {'id': 'a', 'point': -1, 'max_row': 10, 'hash': 'b',
|
|
'created_at': 100, 'put_timestamp': 0,
|
|
'delete_timestamp': 0, 'count': 0,
|
|
'metadata': {
|
|
'Test': ('Value', normalize_timestamp(1))}}
|
|
self.replicator.logger = mock.Mock()
|
|
self.replicator._rsync_db = mock.Mock(return_value=True)
|
|
self.replicator._usync_db = mock.Mock(return_value=True)
|
|
self.http = ReplHttp('{"id": 3, "point": -1}')
|
|
self.replicator._http_connect = lambda *args: self.http
|
|
|
|
def test_repl_to_node_usync_success(self):
|
|
rinfo = {"id": 3, "point": -1, "max_row": 5, "hash": "c"}
|
|
self.http = ReplHttp(simplejson.dumps(rinfo))
|
|
local_sync = self.broker.get_sync()
|
|
self.assertEquals(self.replicator._repl_to_node(
|
|
self.fake_node, self.broker, '0', self.fake_info), True)
|
|
self.replicator._usync_db.assert_has_calls([
|
|
mock.call(max(rinfo['point'], local_sync), self.broker,
|
|
self.http, rinfo['id'], self.fake_info['id'])
|
|
])
|
|
|
|
def test_repl_to_node_rsync_success(self):
|
|
rinfo = {"id": 3, "point": -1, "max_row": 4, "hash": "c"}
|
|
self.http = ReplHttp(simplejson.dumps(rinfo))
|
|
self.broker.get_sync()
|
|
self.assertEquals(self.replicator._repl_to_node(
|
|
self.fake_node, self.broker, '0', self.fake_info), True)
|
|
self.replicator.logger.increment.assert_has_calls([
|
|
mock.call.increment('remote_merges')
|
|
])
|
|
self.replicator._rsync_db.assert_has_calls([
|
|
mock.call(self.broker, self.fake_node, self.http,
|
|
self.fake_info['id'],
|
|
replicate_method='rsync_then_merge',
|
|
replicate_timeout=(self.fake_info['count'] / 2000))
|
|
])
|
|
|
|
def test_repl_to_node_already_in_sync(self):
|
|
rinfo = {"id": 3, "point": -1, "max_row": 10, "hash": "b"}
|
|
self.http = ReplHttp(simplejson.dumps(rinfo))
|
|
self.broker.get_sync()
|
|
self.assertEquals(self.replicator._repl_to_node(
|
|
self.fake_node, self.broker, '0', self.fake_info), True)
|
|
self.assertEquals(self.replicator._rsync_db.call_count, 0)
|
|
self.assertEquals(self.replicator._usync_db.call_count, 0)
|
|
|
|
def test_repl_to_node_not_found(self):
|
|
self.http = ReplHttp('{"id": 3, "point": -1}', set_status=404)
|
|
self.assertEquals(self.replicator._repl_to_node(
|
|
self.fake_node, self.broker, '0', self.fake_info), True)
|
|
self.replicator.logger.increment.assert_has_calls([
|
|
mock.call.increment('rsyncs')
|
|
])
|
|
self.replicator._rsync_db.assert_has_calls([
|
|
mock.call(self.broker, self.fake_node, self.http,
|
|
self.fake_info['id'])
|
|
])
|
|
|
|
def test_repl_to_node_drive_not_mounted(self):
|
|
self.http = ReplHttp('{"id": 3, "point": -1}', set_status=507)
|
|
|
|
self.assertRaises(DriveNotMounted, self.replicator._repl_to_node,
|
|
self.fake_node, FakeBroker(), '0', self.fake_info)
|
|
|
|
def test_repl_to_node_300_status(self):
|
|
self.http = ReplHttp('{"id": 3, "point": -1}', set_status=300)
|
|
|
|
self.assertEquals(self.replicator._repl_to_node(
|
|
self.fake_node, FakeBroker(), '0', self.fake_info), None)
|
|
|
|
def test_repl_to_node_http_connect_fails(self):
|
|
self.replicator._http_connect = lambda *args: None
|
|
self.assertEquals(self.replicator._repl_to_node(
|
|
self.fake_node, FakeBroker(), '0', self.fake_info), False)
|
|
|
|
def test_repl_to_node_not_response(self):
|
|
self.http = mock.Mock(replicate=mock.Mock(return_value=None))
|
|
self.assertEquals(self.replicator._repl_to_node(
|
|
self.fake_node, FakeBroker(), '0', self.fake_info), False)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|