# 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 collections import errno import io import json import unittest import os import mock from gzip import GzipFile from shutil import rmtree import six import six.moves.cPickle as pickle import time import tempfile from contextlib import contextmanager, closing from collections import defaultdict from errno import ENOENT, ENOTEMPTY, ENOTDIR from eventlet.green import subprocess from eventlet import Timeout, sleep from test.debug_logger import debug_logger from test.unit import (patch_policies, make_timestamp_iter, mocked_http_conn, mock_check_drive, skip_if_no_xattrs) from swift.common import utils from swift.common.utils import (hash_path, mkdirs, normalize_timestamp, storage_directory) from swift.common import ring from swift.common.recon import RECON_OBJECT_FILE from swift.obj import diskfile, replicator as object_replicator from swift.common.storage_policy import StoragePolicy, POLICIES from swift.common.exceptions import PartitionLockTimeout def _ips(*args, **kwargs): return ['127.0.0.0'] def mock_http_connect(status): class FakeConn(object): def __init__(self, status, *args, **kwargs): self.status = status self.reason = 'Fake' self.host = args[0] self.port = args[1] self.method = args[4] self.path = args[5] self.with_exc = False self.headers = kwargs.get('headers', {}) def getresponse(self): if self.with_exc: raise Exception('test') return self def getheader(self, header): return self.headers[header] def read(self, amt=None): return pickle.dumps({}) def close(self): return return lambda *args, **kwargs: FakeConn(status, *args, **kwargs) process_errors = [] class MockProcess(object): ret_code = None ret_log = None check_args = None captured_log = None class Stream(object): def read(self): return next(MockProcess.ret_log) def __init__(self, *args, **kwargs): targs = next(MockProcess.check_args) for targ in targs: # Allow more than 2 candidate targs # (e.g. a case that either node is fine when nodes shuffled) if isinstance(targ, tuple): allowed = False for target in targ: if target in args[0]: allowed = True if not allowed: process_errors.append("Invalid: %s not in %s" % (targ, args)) else: if targ not in args[0]: process_errors.append("Invalid: %s not in %s" % (targ, args)) self.captured_info = { 'rsync_args': args[0], } self.stdout = self.Stream() def wait(self): # the _mock_process context manager assures this class attribute is a # mutable list and takes care of resetting it rv = next(self.ret_code) if self.captured_log is not None: self.captured_info['ret_code'] = rv self.captured_log.append(self.captured_info) return rv @contextmanager def _mock_process(ret): captured_log = [] MockProcess.captured_log = captured_log orig_process = subprocess.Popen MockProcess.ret_code = (i[0] for i in ret) MockProcess.ret_log = (i[1] if six.PY2 else i[1].encode('utf8') for i in ret) MockProcess.check_args = (i[2] for i in ret) object_replicator.subprocess.Popen = MockProcess yield captured_log MockProcess.captured_log = None object_replicator.subprocess.Popen = orig_process class MockHungProcess(object): def __init__(self, polls_needed=0, *args, **kwargs): class MockStdout(object): def read(self): pass self.stdout = MockStdout() self._state = 'running' self._calls = [] self._polls = 0 self._polls_needed = polls_needed def wait(self, timeout=None): self._calls.append(('wait', self._state)) if self._state == 'running': # Sleep so we trip the rsync timeout sleep(1) raise BaseException('You need to mock out some timeouts') if not self._polls_needed: self._state = 'os-reaped' return 137 if timeout is not None: raise subprocess.TimeoutExpired('some cmd', timeout) raise BaseException("You're waiting indefinitely on something " "we've established is hung") def poll(self): self._calls.append(('poll', self._state)) self._polls += 1 if self._polls >= self._polls_needed: self._state = 'os-reaped' return 137 else: return None def terminate(self): self._calls.append(('terminate', self._state)) if self._state == 'running': self._state = 'terminating' def kill(self): self._calls.append(('kill', self._state)) self._state = 'killed' def _create_test_rings(path, devs=None, next_part_power=None): testgz = os.path.join(path, 'object.ring.gz') intended_replica2part2dev_id = [ [0, 1, 2, 3, 4, 5, 6], [1, 2, 3, 0, 5, 6, 4], [2, 3, 0, 1, 6, 4, 5], ] intended_devs = devs or [ {'id': 0, 'device': 'sda', 'zone': 0, 'region': 1, 'ip': '127.0.0.0', 'port': 6200}, {'id': 1, 'device': 'sda', 'zone': 1, 'region': 2, 'ip': '127.0.0.1', 'port': 6200}, {'id': 2, 'device': 'sda', 'zone': 2, 'region': 3, 'ip': '127.0.0.2', 'port': 6200}, {'id': 3, 'device': 'sda', 'zone': 4, 'region': 2, 'ip': '127.0.0.3', 'port': 6200}, {'id': 4, 'device': 'sda', 'zone': 5, 'region': 1, 'ip': '127.0.0.4', 'port': 6200, 'replication_ip': '127.0.1.4'}, {'id': 5, 'device': 'sda', 'zone': 6, 'region': 3, 'ip': 'fe80::202:b3ff:fe1e:8329', 'port': 6200}, {'id': 6, 'device': 'sda', 'zone': 7, 'region': 1, 'ip': '2001:0db8:85a3:0000:0000:8a2e:0370:7334', 'port': 6200}, ] intended_part_shift = 30 with closing(GzipFile(testgz, 'wb')) as f: pickle.dump( ring.RingData(intended_replica2part2dev_id, intended_devs, intended_part_shift, next_part_power), f) testgz = os.path.join(path, 'object-1.ring.gz') with closing(GzipFile(testgz, 'wb')) as f: pickle.dump( ring.RingData(intended_replica2part2dev_id, intended_devs, intended_part_shift, next_part_power), f) for policy in POLICIES: policy.object_ring = None # force reload return @patch_policies([StoragePolicy(0, 'zero', False), StoragePolicy(1, 'one', True)]) class TestObjectReplicator(unittest.TestCase): def setUp(self): skip_if_no_xattrs() utils.HASH_PATH_SUFFIX = b'endcap' utils.HASH_PATH_PREFIX = b'' # recon cache path self.recon_cache = tempfile.mkdtemp() rmtree(self.recon_cache, ignore_errors=1) os.mkdir(self.recon_cache) # Setup a test ring (stolen from common/test_ring.py) self.testdir = tempfile.mkdtemp() self.devices = os.path.join(self.testdir, 'node') rmtree(self.testdir, ignore_errors=1) os.mkdir(self.testdir) os.mkdir(self.devices) self.objects, self.objects_1, self.parts, self.parts_1 = \ self._write_disk_data('sda') _create_test_rings(self.testdir) self.logger = debug_logger('test-replicator') self.conf = dict( bind_ip=_ips()[0], bind_port=6200, swift_dir=self.testdir, devices=self.devices, mount_check='false', timeout='300', stats_interval='1', sync_method='rsync', recon_cache_path=self.recon_cache) self._create_replicator() self.ts = make_timestamp_iter() def tearDown(self): self.assertFalse(process_errors) rmtree(self.testdir, ignore_errors=1) rmtree(self.recon_cache, ignore_errors=1) def test_ring_ip_and_bind_ip(self): # make clean base_conf base_conf = dict(self.conf) for key in ('bind_ip', 'ring_ip'): base_conf.pop(key, None) # default ring_ip is always 0.0.0.0 self.conf = base_conf self._create_replicator() self.assertEqual('0.0.0.0', self.replicator.ring_ip) # bind_ip works fine for legacy configs self.conf = dict(base_conf) self.conf['bind_ip'] = '192.168.1.42' self._create_replicator() self.assertEqual('192.168.1.42', self.replicator.ring_ip) # ring_ip works fine by-itself self.conf = dict(base_conf) self.conf['ring_ip'] = '192.168.1.43' self._create_replicator() self.assertEqual('192.168.1.43', self.replicator.ring_ip) # if you have both ring_ip wins self.conf = dict(base_conf) self.conf['bind_ip'] = '192.168.1.44' self.conf['ring_ip'] = '192.168.1.45' self._create_replicator() self.assertEqual('192.168.1.45', self.replicator.ring_ip) def test_handoff_replication_setting_warnings(self): conf_tests = [ # (config, expected_warning) ({}, False), ({'handoff_delete': 'auto'}, False), ({'handoffs_first': 'no'}, False), ({'handoff_delete': '2'}, True), ({'handoffs_first': 'yes'}, True), ({'handoff_delete': '1', 'handoffs_first': 'yes'}, True), ] log_message = 'Handoff only mode is not intended for normal ' \ 'operation, please disable handoffs_first and ' \ 'handoff_delete before the next normal rebalance' for config, expected_warning in conf_tests: self.logger.clear() object_replicator.ObjectReplicator(config, logger=self.logger) warning_log_lines = self.logger.get_lines_for_level('warning') if expected_warning: expected_log_lines = [log_message] else: expected_log_lines = [] self.assertEqual(expected_log_lines, warning_log_lines, 'expected %s != %s for config %r' % ( expected_log_lines, warning_log_lines, config, )) def _write_disk_data(self, disk_name, with_json=False): os.mkdir(os.path.join(self.devices, disk_name)) objects = os.path.join(self.devices, disk_name, diskfile.get_data_dir(POLICIES[0])) objects_1 = os.path.join(self.devices, disk_name, diskfile.get_data_dir(POLICIES[1])) os.mkdir(objects) os.mkdir(objects_1) parts = {} parts_1 = {} for part in ['0', '1', '2', '3']: parts[part] = os.path.join(objects, part) os.mkdir(parts[part]) parts_1[part] = os.path.join(objects_1, part) os.mkdir(parts_1[part]) if with_json: for json_file in ['auditor_status_ZBF.json', 'auditor_status_ALL.json']: for obj_dir in [objects, objects_1]: with open(os.path.join(obj_dir, json_file), 'w'): pass return objects, objects_1, parts, parts_1 def _create_replicator(self): self.replicator = object_replicator.ObjectReplicator(self.conf) self.replicator.logger = self.logger self.replicator._zero_stats() self.replicator.all_devs_info = set() self.df_mgr = diskfile.DiskFileManager(self.conf, self.logger) def test_run_once_no_local_device_in_ring(self): conf = dict(swift_dir=self.testdir, devices=self.devices, bind_ip='1.1.1.1', recon_cache_path=self.recon_cache, mount_check='false', timeout='300', stats_interval='1') replicator = object_replicator.ObjectReplicator(conf, logger=self.logger) replicator.run_once() expected = [ "Can't find itself in policy with index 0 with ips 1.1.1.1 and" " with port 6200 in ring file, not replicating", "Can't find itself in policy with index 1 with ips 1.1.1.1 and" " with port 6200 in ring file, not replicating", ] self.assertEqual(expected, self.logger.get_lines_for_level('error')) def test_run_once(self): conf = dict(swift_dir=self.testdir, devices=self.devices, bind_ip=_ips()[0], recon_cache_path=self.recon_cache, mount_check='false', timeout='300', stats_interval='1') replicator = object_replicator.ObjectReplicator(conf, logger=self.logger) was_connector = object_replicator.http_connect object_replicator.http_connect = mock_http_connect(200) cur_part = '0' df = self.df_mgr.get_diskfile('sda', cur_part, 'a', 'c', 'o', policy=POLICIES[0]) mkdirs(df._datadir) f = open(os.path.join(df._datadir, normalize_timestamp(time.time()) + '.data'), 'wb') f.write(b'1234567890') f.close() ohash = hash_path('a', 'c', 'o') data_dir = ohash[-3:] whole_path_from = os.path.join(self.objects, cur_part, data_dir) process_arg_checker = [] ring = replicator.load_object_ring(POLICIES[0]) nodes = [node for node in ring.get_part_nodes(int(cur_part)) if node['ip'] not in _ips()] rsync_mods = tuple(['%s::object/sda/objects/%s' % (node['ip'], cur_part) for node in nodes]) for node in nodes: process_arg_checker.append( (0, '', ['rsync', whole_path_from, rsync_mods])) start = replicator.replication_cycle self.assertGreaterEqual(start, 0) self.assertLessEqual(start, 9) with _mock_process(process_arg_checker): replicator.run_once() self.assertEqual((start + 1) % 10, replicator.replication_cycle) self.assertFalse(process_errors) self.assertFalse(self.logger.get_lines_for_level('error')) # Returns 0 at first, and 60 on all following .next() calls def _infinite_gen(): yield 0 while True: yield 60 for cycle in range(1, 10): with _mock_process(process_arg_checker): with mock.patch('time.time', side_effect=_infinite_gen()): replicator.run_once() self.assertEqual((start + 1 + cycle) % 10, replicator.replication_cycle) recon_fname = os.path.join(self.recon_cache, RECON_OBJECT_FILE) with open(recon_fname) as cachefile: recon = json.loads(cachefile.read()) self.assertEqual(1, recon.get('replication_time')) self.assertIn('replication_stats', recon) self.assertIn('replication_last', recon) expected = 'Object replication complete (once). (1.00 minutes)' self.assertIn(expected, self.logger.get_lines_for_level('info')) self.assertFalse(self.logger.get_lines_for_level('error')) object_replicator.http_connect = was_connector # policy 1 def test_run_once_1(self): conf = dict(swift_dir=self.testdir, devices=self.devices, recon_cache_path=self.recon_cache, mount_check='false', timeout='300', stats_interval='1') replicator = object_replicator.ObjectReplicator(conf, logger=self.logger) was_connector = object_replicator.http_connect object_replicator.http_connect = mock_http_connect(200) cur_part = '0' df = self.df_mgr.get_diskfile('sda', cur_part, 'a', 'c', 'o', policy=POLICIES[1]) mkdirs(df._datadir) f = open(os.path.join(df._datadir, normalize_timestamp(time.time()) + '.data'), 'wb') f.write(b'1234567890') f.close() ohash = hash_path('a', 'c', 'o') data_dir = ohash[-3:] whole_path_from = os.path.join(self.objects_1, cur_part, data_dir) process_arg_checker = [] ring = replicator.load_object_ring(POLICIES[1]) nodes = [node for node in ring.get_part_nodes(int(cur_part)) if node['ip'] not in _ips()] rsync_mods = tuple(['%s::object/sda/objects-1/%s' % (node['ip'], cur_part) for node in nodes]) for node in nodes: process_arg_checker.append( (0, '', ['rsync', whole_path_from, rsync_mods])) with _mock_process(process_arg_checker): with mock.patch('swift.obj.replicator.whataremyips', side_effect=_ips): replicator.run_once() self.assertFalse(process_errors) self.assertFalse(self.logger.get_lines_for_level('error')) object_replicator.http_connect = was_connector def test_check_ring(self): for pol in POLICIES: obj_ring = self.replicator.load_object_ring(pol) self.assertTrue(self.replicator.check_ring(obj_ring)) orig_check = self.replicator.next_check self.replicator.next_check = orig_check - 30 self.assertTrue(self.replicator.check_ring(obj_ring)) self.replicator.next_check = orig_check orig_ring_time = obj_ring._mtime obj_ring._mtime = orig_ring_time - 30 self.assertTrue(self.replicator.check_ring(obj_ring)) self.replicator.next_check = orig_check - 30 self.assertFalse(self.replicator.check_ring(obj_ring)) def test_collect_jobs_mkdirs_error(self): non_local = {} def blowup_mkdirs(path): non_local['path'] = path raise OSError('Ow!') with mock.patch.object(object_replicator, 'mkdirs', blowup_mkdirs): rmtree(self.objects, ignore_errors=1) object_replicator.mkdirs = blowup_mkdirs self.replicator.collect_jobs() self.assertEqual(self.logger.get_lines_for_level('error'), [ 'ERROR creating %s: ' % non_local['path']]) log_args, log_kwargs = self.logger.log_dict['error'][0] self.assertEqual(str(log_kwargs['exc_info'][1]), 'Ow!') def test_collect_jobs(self): jobs = self.replicator.collect_jobs() jobs_to_delete = [j for j in jobs if j['delete']] jobs_by_pol_part = {} for job in jobs: jobs_by_pol_part[str(int(job['policy'])) + job['partition']] = job self.assertEqual(len(jobs_to_delete), 2) self.assertEqual('1', jobs_to_delete[0]['partition']) self.assertEqual( [node['id'] for node in jobs_by_pol_part['00']['nodes']], [1, 2]) self.assertEqual( [node['id'] for node in jobs_by_pol_part['01']['nodes']], [1, 2, 3]) self.assertEqual( [node['id'] for node in jobs_by_pol_part['02']['nodes']], [2, 3]) self.assertEqual( [node['id'] for node in jobs_by_pol_part['03']['nodes']], [3, 1]) self.assertEqual( [node['id'] for node in jobs_by_pol_part['10']['nodes']], [1, 2]) self.assertEqual( [node['id'] for node in jobs_by_pol_part['11']['nodes']], [1, 2, 3]) self.assertEqual( [node['id'] for node in jobs_by_pol_part['12']['nodes']], [2, 3]) self.assertEqual( [node['id'] for node in jobs_by_pol_part['13']['nodes']], [3, 1]) for part in ['00', '01', '02', '03']: for node in jobs_by_pol_part[part]['nodes']: self.assertEqual(node['device'], 'sda') self.assertEqual(jobs_by_pol_part[part]['path'], os.path.join(self.objects, part[1:])) for part in ['10', '11', '12', '13']: for node in jobs_by_pol_part[part]['nodes']: self.assertEqual(node['device'], 'sda') self.assertEqual(jobs_by_pol_part[part]['path'], os.path.join(self.objects_1, part[1:])) def test_collect_jobs_unmounted(self): with mock_check_drive() as mocks: jobs = self.replicator.collect_jobs() self.assertEqual(jobs, []) self.assertEqual(mocks['ismount'].mock_calls, []) self.assertEqual(len(mocks['isdir'].mock_calls), 2) self.replicator.mount_check = True with mock_check_drive() as mocks: jobs = self.replicator.collect_jobs() self.assertEqual(jobs, []) self.assertEqual(mocks['isdir'].mock_calls, []) self.assertEqual(len(mocks['ismount'].mock_calls), 2) def test_collect_jobs_failure_report_with_auditor_stats_json(self): devs = [ {'id': 0, 'device': 'sda', 'zone': 0, 'region': 1, 'ip': '1.1.1.1', 'port': 1111, 'replication_ip': '127.0.0.0', 'replication_port': 6200}, {'id': 1, 'device': 'sdb', 'zone': 1, 'region': 1, 'ip': '1.1.1.1', 'port': 1111, 'replication_ip': '127.0.0.0', 'replication_port': 6200}, {'id': 2, 'device': 'sdc', 'zone': 2, 'region': 1, 'ip': '1.1.1.1', 'port': 1111, 'replication_ip': '127.0.0.1', 'replication_port': 6200}, {'id': 3, 'device': 'sdd', 'zone': 3, 'region': 1, 'ip': '1.1.1.1', 'port': 1111, 'replication_ip': '127.0.0.1', 'replication_port': 6200}, ] objects_sdb, objects_1_sdb, _, _ = \ self._write_disk_data('sdb', with_json=True) objects_sdc, objects_1_sdc, _, _ = \ self._write_disk_data('sdc', with_json=True) objects_sdd, objects_1_sdd, _, _ = \ self._write_disk_data('sdd', with_json=True) _create_test_rings(self.testdir, devs) self.replicator.collect_jobs(override_partitions=[1]) self.assertEqual(self.replicator.total_stats.failure, 0) def test_collect_jobs_with_override_parts_and_unexpected_part_dir(self): self.replicator.collect_jobs(override_partitions=[0, 2]) self.assertEqual(self.replicator.total_stats.failure, 0) os.mkdir(os.path.join(self.objects_1, 'foo')) jobs = self.replicator.collect_jobs(override_partitions=[0, 2]) found_jobs = set() for j in jobs: found_jobs.add((int(j['policy']), int(j['partition']))) self.assertEqual(found_jobs, { (0, 0), (0, 2), (1, 0), (1, 2), }) num_disks = len(POLICIES[1].object_ring.devs) # N.B. it's not clear why the UUT increments failure per device self.assertEqual(self.replicator.total_stats.failure, num_disks) @mock.patch('swift.obj.replicator.random.shuffle', side_effect=lambda l: l) def test_collect_jobs_multi_disk(self, mock_shuffle): devs = [ # Two disks on same IP/port {'id': 0, 'device': 'sda', 'zone': 0, 'region': 1, 'ip': '1.1.1.1', 'port': 1111, 'replication_ip': '127.0.0.0', 'replication_port': 6200}, {'id': 1, 'device': 'sdb', 'zone': 1, 'region': 1, 'ip': '1.1.1.1', 'port': 1111, 'replication_ip': '127.0.0.0', 'replication_port': 6200}, # Two disks on same server, different ports {'id': 2, 'device': 'sdc', 'zone': 2, 'region': 2, 'ip': '1.1.1.2', 'port': 1112, 'replication_ip': '127.0.0.1', 'replication_port': 6200}, {'id': 3, 'device': 'sdd', 'zone': 4, 'region': 2, 'ip': '1.1.1.2', 'port': 1112, 'replication_ip': '127.0.0.1', 'replication_port': 6201}, ] objects_sdb, objects_1_sdb, _, _ = self._write_disk_data('sdb') objects_sdc, objects_1_sdc, _, _ = self._write_disk_data('sdc') objects_sdd, objects_1_sdd, _, _ = self._write_disk_data('sdd') _create_test_rings(self.testdir, devs) jobs = self.replicator.collect_jobs() self.assertEqual([mock.call(jobs)], mock_shuffle.mock_calls) jobs_to_delete = [j for j in jobs if j['delete']] self.assertEqual(len(jobs_to_delete), 4) self.assertEqual([ '1', '2', # policy 0; 1 not on sda, 2 not on sdb '1', '2', # policy 1; 1 not on sda, 2 not on sdb ], [j['partition'] for j in jobs_to_delete]) jobs_by_pol_part_dev = {} for job in jobs: # There should be no jobs with a device not in just sda & sdb self.assertTrue(job['device'] in ('sda', 'sdb')) jobs_by_pol_part_dev[ str(int(job['policy'])) + job['partition'] + job['device'] ] = job self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['00sda']['nodes']], [1, 2]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['00sdb']['nodes']], [0, 2]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['01sda']['nodes']], [1, 2, 3]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['01sdb']['nodes']], [2, 3]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['02sda']['nodes']], [2, 3]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['02sdb']['nodes']], [2, 3, 0]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['03sda']['nodes']], [3, 1]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['03sdb']['nodes']], [3, 0]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['10sda']['nodes']], [1, 2]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['10sdb']['nodes']], [0, 2]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['11sda']['nodes']], [1, 2, 3]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['11sdb']['nodes']], [2, 3]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['12sda']['nodes']], [2, 3]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['12sdb']['nodes']], [2, 3, 0]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['13sda']['nodes']], [3, 1]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['13sdb']['nodes']], [3, 0]) for part in ['00', '01', '02', '03']: self.assertEqual(jobs_by_pol_part_dev[part + 'sda']['path'], os.path.join(self.objects, part[1:])) self.assertEqual(jobs_by_pol_part_dev[part + 'sdb']['path'], os.path.join(objects_sdb, part[1:])) for part in ['10', '11', '12', '13']: self.assertEqual(jobs_by_pol_part_dev[part + 'sda']['path'], os.path.join(self.objects_1, part[1:])) self.assertEqual(jobs_by_pol_part_dev[part + 'sdb']['path'], os.path.join(objects_1_sdb, part[1:])) @mock.patch('swift.obj.replicator.random.shuffle', side_effect=lambda l: l) def test_collect_jobs_multi_disk_diff_ports_normal(self, mock_shuffle): # Normally (servers_per_port=0), replication_ip AND replication_port # are used to determine local ring device entries. Here we show that # with bind_ip='127.0.0.1', bind_port=6200, only "sdc" is local. devs = [ # Two disks on same IP/port {'id': 0, 'device': 'sda', 'zone': 0, 'region': 1, 'ip': '1.1.1.1', 'port': 1111, 'replication_ip': '127.0.0.0', 'replication_port': 6200}, {'id': 1, 'device': 'sdb', 'zone': 1, 'region': 1, 'ip': '1.1.1.1', 'port': 1111, 'replication_ip': '127.0.0.0', 'replication_port': 6200}, # Two disks on same server, different ports {'id': 2, 'device': 'sdc', 'zone': 2, 'region': 2, 'ip': '1.1.1.2', 'port': 1112, 'replication_ip': '127.0.0.1', 'replication_port': 6200}, {'id': 3, 'device': 'sdd', 'zone': 4, 'region': 2, 'ip': '1.1.1.2', 'port': 1112, 'replication_ip': '127.0.0.1', 'replication_port': 6201}, ] objects_sdb, objects_1_sdb, _, _ = self._write_disk_data('sdb') objects_sdc, objects_1_sdc, _, _ = self._write_disk_data('sdc') objects_sdd, objects_1_sdd, _, _ = self._write_disk_data('sdd') _create_test_rings(self.testdir, devs) self.conf['bind_ip'] = '127.0.0.1' self._create_replicator() jobs = self.replicator.collect_jobs() self.assertEqual([mock.call(jobs)], mock_shuffle.mock_calls) jobs_to_delete = [j for j in jobs if j['delete']] self.assertEqual(len(jobs_to_delete), 2) self.assertEqual([ '3', # policy 0; 3 not on sdc '3', # policy 1; 3 not on sdc ], [j['partition'] for j in jobs_to_delete]) jobs_by_pol_part_dev = {} for job in jobs: # There should be no jobs with a device not sdc self.assertEqual(job['device'], 'sdc') jobs_by_pol_part_dev[ str(int(job['policy'])) + job['partition'] + job['device'] ] = job self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['00sdc']['nodes']], [0, 1]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['01sdc']['nodes']], [1, 3]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['02sdc']['nodes']], [3, 0]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['03sdc']['nodes']], [3, 0, 1]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['10sdc']['nodes']], [0, 1]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['11sdc']['nodes']], [1, 3]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['12sdc']['nodes']], [3, 0]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['13sdc']['nodes']], [3, 0, 1]) for part in ['00', '01', '02', '03']: self.assertEqual(jobs_by_pol_part_dev[part + 'sdc']['path'], os.path.join(objects_sdc, part[1:])) for part in ['10', '11', '12', '13']: self.assertEqual(jobs_by_pol_part_dev[part + 'sdc']['path'], os.path.join(objects_1_sdc, part[1:])) @mock.patch('swift.obj.replicator.random.shuffle', side_effect=lambda l: l) def test_collect_jobs_multi_disk_servers_per_port(self, mock_shuffle): # Normally (servers_per_port=0), replication_ip AND replication_port # are used to determine local ring device entries. Here we show that # with servers_per_port > 0 and bind_ip='127.0.0.1', bind_port=6200, # then both "sdc" and "sdd" are local. devs = [ # Two disks on same IP/port {'id': 0, 'device': 'sda', 'zone': 0, 'region': 1, 'ip': '1.1.1.1', 'port': 1111, 'replication_ip': '127.0.0.0', 'replication_port': 6200}, {'id': 1, 'device': 'sdb', 'zone': 1, 'region': 1, 'ip': '1.1.1.1', 'port': 1111, 'replication_ip': '127.0.0.0', 'replication_port': 6200}, # Two disks on same server, different ports {'id': 2, 'device': 'sdc', 'zone': 2, 'region': 2, 'ip': '1.1.1.2', 'port': 1112, 'replication_ip': '127.0.0.1', 'replication_port': 6200}, {'id': 3, 'device': 'sdd', 'zone': 4, 'region': 2, 'ip': '1.1.1.2', 'port': 1112, 'replication_ip': '127.0.0.1', 'replication_port': 6201}, ] objects_sdb, objects_1_sdb, _, _ = self._write_disk_data('sdb') objects_sdc, objects_1_sdc, _, _ = self._write_disk_data('sdc') objects_sdd, objects_1_sdd, _, _ = self._write_disk_data('sdd') _create_test_rings(self.testdir, devs) self.conf['bind_ip'] = '127.0.0.1' self.conf['servers_per_port'] = 1 # diff port ok self._create_replicator() jobs = self.replicator.collect_jobs() self.assertEqual([mock.call(jobs)], mock_shuffle.mock_calls) jobs_to_delete = [j for j in jobs if j['delete']] self.assertEqual(len(jobs_to_delete), 4) self.assertEqual([ '3', '0', # policy 0; 3 not on sdc, 0 not on sdd '3', '0', # policy 1; 3 not on sdc, 0 not on sdd ], [j['partition'] for j in jobs_to_delete]) jobs_by_pol_part_dev = {} for job in jobs: # There should be no jobs with a device not in just sdc & sdd self.assertTrue(job['device'] in ('sdc', 'sdd')) jobs_by_pol_part_dev[ str(int(job['policy'])) + job['partition'] + job['device'] ] = job self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['00sdc']['nodes']], [0, 1]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['00sdd']['nodes']], [0, 1, 2]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['01sdc']['nodes']], [1, 3]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['01sdd']['nodes']], [1, 2]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['02sdc']['nodes']], [3, 0]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['02sdd']['nodes']], [2, 0]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['03sdc']['nodes']], [3, 0, 1]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['03sdd']['nodes']], [0, 1]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['10sdc']['nodes']], [0, 1]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['10sdd']['nodes']], [0, 1, 2]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['11sdc']['nodes']], [1, 3]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['11sdd']['nodes']], [1, 2]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['12sdc']['nodes']], [3, 0]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['12sdd']['nodes']], [2, 0]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['13sdc']['nodes']], [3, 0, 1]) self.assertEqual([node['id'] for node in jobs_by_pol_part_dev['13sdd']['nodes']], [0, 1]) for part in ['00', '01', '02', '03']: self.assertEqual(jobs_by_pol_part_dev[part + 'sdc']['path'], os.path.join(objects_sdc, part[1:])) self.assertEqual(jobs_by_pol_part_dev[part + 'sdd']['path'], os.path.join(objects_sdd, part[1:])) for part in ['10', '11', '12', '13']: self.assertEqual(jobs_by_pol_part_dev[part + 'sdc']['path'], os.path.join(objects_1_sdc, part[1:])) self.assertEqual(jobs_by_pol_part_dev[part + 'sdd']['path'], os.path.join(objects_1_sdd, part[1:])) def test_collect_jobs_handoffs_first(self): self.replicator.handoffs_first = True jobs = self.replicator.collect_jobs() self.assertTrue(jobs[0]['delete']) self.assertEqual('1', jobs[0]['partition']) def test_handoffs_first_mode_will_process_all_jobs_after_handoffs(self): # make an object in the handoff & primary partition expected_suffix_paths = [] for policy in POLICIES: # primary ts = next(self.ts) df = self.df_mgr.get_diskfile('sda', '0', 'a', 'c', 'o', policy) with df.create() as w: w.write(b'asdf') w.put({'X-Timestamp': ts.internal}) w.commit(ts) expected_suffix_paths.append(os.path.dirname(df._datadir)) # handoff ts = next(self.ts) df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy) with df.create() as w: w.write(b'asdf') w.put({'X-Timestamp': ts.internal}) w.commit(ts) expected_suffix_paths.append(os.path.dirname(df._datadir)) # rsync will be called for all parts we created objects in process_arg_checker = [ # (return_code, stdout, ) (0, '', []), (0, '', []), (0, '', []), # handoff job "first" policy (0, '', []), (0, '', []), (0, '', []), # handoff job "second" policy (0, '', []), (0, '', []), # update job "first" policy (0, '', []), (0, '', []), # update job "second" policy ] # each handoff partition node gets one replicate request for after # rsync (2 * 3), each primary partition with objects gets two # replicate requests (pre-flight and post sync) to each of each # partners (2 * 2 * 2), the 2 remaining empty parts (2 & 3) get a # pre-flight replicate request per node for each storage policy # (2 * 2 * 2) - so 6 + 8 + 8 == 22 replicate_responses = [200] * 22 stub_body = pickle.dumps({}) with _mock_process(process_arg_checker) as rsync_log, \ mock.patch('swift.obj.replicator.whataremyips', side_effect=_ips), \ mocked_http_conn(*replicate_responses, body=stub_body) as conn_log: self.replicator.handoffs_first = True self.replicator.replicate() # all jobs processed! self.assertEqual(self.replicator.job_count, self.replicator.total_stats.attempted) self.assertFalse(self.replicator.handoffs_remaining) # sanity, all the handoffs suffixes we filled in were rsync'd found_rsync_suffix_paths = set() for subprocess_info in rsync_log: local_path, remote_path = subprocess_info['rsync_args'][-2:] found_rsync_suffix_paths.add(local_path) self.assertEqual(set(expected_suffix_paths), found_rsync_suffix_paths) # sanity, all nodes got replicated found_replicate_calls = defaultdict(int) for req in conn_log.requests: self.assertEqual(req['method'], 'REPLICATE') found_replicate_key = ( int(req['headers']['X-Backend-Storage-Policy-Index']), req['path']) found_replicate_calls[found_replicate_key] += 1 expected_replicate_calls = { (0, '/sda/1/a83'): 3, (1, '/sda/1/a83'): 3, (0, '/sda/0'): 2, (0, '/sda/0/a83'): 2, (1, '/sda/0'): 2, (1, '/sda/0/a83'): 2, (0, '/sda/2'): 2, (1, '/sda/2'): 2, (0, '/sda/3'): 2, (1, '/sda/3'): 2, } self.assertEqual(dict(found_replicate_calls), expected_replicate_calls) def test_handoffs_first_mode_will_abort_if_handoffs_remaining(self): # make an object in the handoff partition handoff_suffix_paths = [] for policy in POLICIES: ts = next(self.ts) df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy) with df.create() as w: w.write(b'asdf') w.put({'X-Timestamp': ts.internal}) w.commit(ts) handoff_suffix_paths.append(os.path.dirname(df._datadir)) process_arg_checker = [ # (return_code, stdout, ) (0, '', []), (1, '', []), (0, '', []), (0, '', []), (0, '', []), (0, '', []), ] stub_body = pickle.dumps({}) with _mock_process(process_arg_checker) as rsync_log, \ mock.patch('swift.obj.replicator.whataremyips', side_effect=_ips), \ mocked_http_conn(*[200] * 5, body=stub_body) as conn_log: self.replicator.handoffs_first = True self.replicator.replicate() # stopped after handoffs! self.assertEqual(1, self.replicator.handoffs_remaining) self.assertEqual(8, self.replicator.job_count) self.assertEqual(self.replicator.total_stats.failure, 1) # in addition to the two revert jobs as many as "concurrency" # jobs may have been spawned into the pool before the failed # revert job incremented handoffs_remaining and caused the # handoffs_first check to abort the current pass self.assertLessEqual(self.replicator.total_stats.attempted, 2 + self.replicator.concurrency) # sanity, all the handoffs suffixes we filled in were rsync'd found_rsync_suffix_paths = set() expected_replicate_requests = set() for subprocess_info in rsync_log: local_path, remote_path = subprocess_info['rsync_args'][-2:] found_rsync_suffix_paths.add(local_path) if subprocess_info['ret_code'] == 0: node_ip = remote_path.split(':', 1)[0] expected_replicate_requests.add(node_ip) self.assertEqual(set(handoff_suffix_paths), found_rsync_suffix_paths) # sanity, all successful rsync nodes got REPLICATE requests found_replicate_requests = set() self.assertEqual(5, len(conn_log.requests)) for req in conn_log.requests: self.assertEqual(req['method'], 'REPLICATE') found_replicate_requests.add(req['ip']) self.assertEqual(expected_replicate_requests, found_replicate_requests) # and at least one partition got removed! remaining_policies = [] for path in handoff_suffix_paths: if os.path.exists(path): policy = diskfile.extract_policy(path) remaining_policies.append(policy) self.assertEqual(len(remaining_policies), 1) remaining_policy = remaining_policies[0] # try again but with handoff_delete allowing for a single failure with _mock_process(process_arg_checker) as rsync_log, \ mock.patch('swift.obj.replicator.whataremyips', side_effect=_ips), \ mocked_http_conn(*[200] * 14, body=stub_body) as conn_log: self.replicator.handoff_delete = 2 self.replicator._zero_stats() self.replicator.replicate() # all jobs processed! self.assertEqual(self.replicator.job_count, self.replicator.total_stats.attempted) self.assertFalse(self.replicator.handoffs_remaining) # sanity, all parts got replicated found_replicate_calls = defaultdict(int) for req in conn_log.requests: self.assertEqual(req['method'], 'REPLICATE') found_replicate_key = ( int(req['headers']['X-Backend-Storage-Policy-Index']), req['path']) found_replicate_calls[found_replicate_key] += 1 expected_replicate_calls = { (int(remaining_policy), '/sda/1/a83'): 2, (0, '/sda/0'): 2, (1, '/sda/0'): 2, (0, '/sda/2'): 2, (1, '/sda/2'): 2, (0, '/sda/3'): 2, (1, '/sda/3'): 2, } self.assertEqual(dict(found_replicate_calls), expected_replicate_calls) # and now all handoff partitions have been rebalanced away! removed_paths = set() for path in handoff_suffix_paths: if not os.path.exists(path): removed_paths.add(path) self.assertEqual(removed_paths, set(handoff_suffix_paths)) def test_replicator_skips_bogus_partition_dirs(self): # A directory in the wrong place shouldn't crash the replicator rmtree(self.objects) rmtree(self.objects_1) os.mkdir(self.objects) os.mkdir(self.objects_1) os.mkdir(os.path.join(self.objects, "burrito")) jobs = self.replicator.collect_jobs() self.assertEqual(len(jobs), 0) def test_replicator_skips_rsync_temp_files(self): # the empty pre-setup dirs aren't that useful to us device_path = os.path.join(self.devices, 'sda') rmtree(device_path, ignore_errors=1) os.mkdir(device_path) # create a real data file to trigger rsync df = self.df_mgr.get_diskfile('sda', '0', 'a', 'c', 'o', policy=POLICIES.legacy) ts = next(self.ts) with df.create() as w: w.write(b'asdf') w.put({'X-Timestamp': ts.internal}) w.commit(ts) # pre-flight and post sync request for both other primaries expected_replicate_requests = 4 process_arg_checker = [ # (return_code, stdout, ) (0, '', []), (0, '', []), ] stub_body = pickle.dumps({}) with _mock_process(process_arg_checker) as rsync_log, \ mock.patch('swift.obj.replicator.whataremyips', side_effect=_ips), \ mocked_http_conn(*[200] * expected_replicate_requests, body=stub_body) as conn_log: self.replicator.replicate() self.assertEqual(['REPLICATE'] * expected_replicate_requests, [r['method'] for r in conn_log.requests]) # expect one rsync to each other primary node self.assertEqual(2, len(rsync_log)) expected = '--exclude=.*.[0-9a-zA-Z][0-9a-zA-Z][0-9a-zA-Z]' \ '[0-9a-zA-Z][0-9a-zA-Z][0-9a-zA-Z]' for subprocess_info in rsync_log: rsync_args = subprocess_info['rsync_args'] for arg in rsync_args: if arg.startswith('--exclude'): self.assertEqual(arg, expected) break else: self.fail('Did not find --exclude argument in %r' % rsync_args) def test_replicator_removes_zbf(self): # After running xfs_repair, a partition directory could become a # zero-byte file. If this happens, the replicator should clean it # up, log something, and move on to the next partition. # Surprise! Partition dir 1 is actually a zero-byte file. pol_0_part_1_path = os.path.join(self.objects, '1') rmtree(pol_0_part_1_path) with open(pol_0_part_1_path, 'w'): pass self.assertTrue(os.path.isfile(pol_0_part_1_path)) # sanity check # Policy 1's partition dir 1 is also a zero-byte file. pol_1_part_1_path = os.path.join(self.objects_1, '1') rmtree(pol_1_part_1_path) with open(pol_1_part_1_path, 'w'): pass self.assertTrue(os.path.isfile(pol_1_part_1_path)) # sanity check # Don't delete things in collect_jobs(); all the stat() calls would # make replicator startup really slow. self.replicator.collect_jobs() self.assertTrue(os.path.exists(pol_0_part_1_path)) self.assertTrue(os.path.exists(pol_1_part_1_path)) # After a replication pass, the files should be gone with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): self.replicator.run_once() self.assertFalse(os.path.exists(pol_0_part_1_path)) self.assertFalse(os.path.exists(pol_1_part_1_path)) self.assertEqual( sorted(self.logger.get_lines_for_level('warning')), [ ('Removing partition directory which was a file: %s' % pol_1_part_1_path), ('Removing partition directory which was a file: %s' % pol_0_part_1_path), ]) def test_delete_partition(self): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) f = open(os.path.join(df._datadir, normalize_timestamp(time.time()) + '.data'), 'wb') f.write(b'1234567890') f.close() ohash = hash_path('a', 'c', 'o') data_dir = ohash[-3:] whole_path_from = os.path.join(self.objects, '1', data_dir) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) ring = self.replicator.load_object_ring(POLICIES[0]) nodes = [node for node in ring.get_part_nodes(1) if node['ip'] not in _ips()] process_arg_checker = [] for node in nodes: rsync_mod = '%s::object/sda/objects/%s' % (node['ip'], 1) process_arg_checker.append( (0, '', ['rsync', whole_path_from, rsync_mod])) with _mock_process(process_arg_checker): self.replicator.replicate() self.assertFalse(os.access(part_path, os.F_OK)) def test_delete_partition_default_sync_method(self): self.replicator.conf.pop('sync_method') with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) f = open(os.path.join(df._datadir, normalize_timestamp(time.time()) + '.data'), 'wb') f.write(b'1234567890') f.close() ohash = hash_path('a', 'c', 'o') data_dir = ohash[-3:] whole_path_from = os.path.join(self.objects, '1', data_dir) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) ring = self.replicator.load_object_ring(POLICIES[0]) nodes = [node for node in ring.get_part_nodes(1) if node['ip'] not in _ips()] process_arg_checker = [] for node in nodes: rsync_mod = '%s::object/sda/objects/%s' % (node['ip'], 1) process_arg_checker.append( (0, '', ['rsync', whole_path_from, rsync_mod])) with _mock_process(process_arg_checker): self.replicator.replicate() self.assertFalse(os.access(part_path, os.F_OK)) def test_delete_partition_ssync_single_region(self): devs = [ {'id': 0, 'device': 'sda', 'zone': 0, 'region': 1, 'ip': '127.0.0.0', 'port': 6200}, {'id': 1, 'device': 'sda', 'zone': 1, 'region': 1, 'ip': '127.0.0.1', 'port': 6200}, {'id': 2, 'device': 'sda', 'zone': 2, 'region': 1, 'ip': '127.0.0.2', 'port': 6200}, {'id': 3, 'device': 'sda', 'zone': 4, 'region': 1, 'ip': '127.0.0.3', 'port': 6200}, {'id': 4, 'device': 'sda', 'zone': 5, 'region': 1, 'ip': '127.0.0.4', 'port': 6200}, {'id': 5, 'device': 'sda', 'zone': 6, 'region': 1, 'ip': 'fe80::202:b3ff:fe1e:8329', 'port': 6200}, {'id': 6, 'device': 'sda', 'zone': 7, 'region': 1, 'ip': '2001:0db8:85a3:0000:0000:8a2e:0370:7334', 'port': 6200}, ] _create_test_rings(self.testdir, devs=devs) self.conf['sync_method'] = 'ssync' self.replicator = object_replicator.ObjectReplicator(self.conf) self.replicator.logger = debug_logger() self.replicator._zero_stats() with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) ts = normalize_timestamp(time.time()) f = open(os.path.join(df._datadir, ts + '.data'), 'wb') f.write(b'1234567890') f.close() ohash = hash_path('a', 'c', 'o') whole_path_from = storage_directory(self.objects, 1, ohash) suffix_dir_path = os.path.dirname(whole_path_from) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) def _fake_ssync(node, job, suffixes, **kwargs): return True, {ohash: ts} self.replicator.sync_method = _fake_ssync self.replicator.replicate() self.assertFalse(os.access(whole_path_from, os.F_OK)) self.assertFalse(os.access(suffix_dir_path, os.F_OK)) self.assertFalse(os.access(part_path, os.F_OK)) def test_delete_partition_1(self): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES[1]) mkdirs(df._datadir) f = open(os.path.join(df._datadir, normalize_timestamp(time.time()) + '.data'), 'wb') f.write(b'1234567890') f.close() ohash = hash_path('a', 'c', 'o') data_dir = ohash[-3:] whole_path_from = os.path.join(self.objects_1, '1', data_dir) part_path = os.path.join(self.objects_1, '1') self.assertTrue(os.access(part_path, os.F_OK)) ring = self.replicator.load_object_ring(POLICIES[1]) nodes = [node for node in ring.get_part_nodes(1) if node['ip'] not in _ips()] process_arg_checker = [] for node in nodes: rsync_mod = '%s::object/sda/objects-1/%s' % (node['ip'], 1) process_arg_checker.append( (0, '', ['rsync', whole_path_from, rsync_mod])) with _mock_process(process_arg_checker): self.replicator.replicate() self.assertFalse(os.access(part_path, os.F_OK)) def test_delete_partition_with_failures(self): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) f = open(os.path.join(df._datadir, normalize_timestamp(time.time()) + '.data'), 'wb') f.write(b'1234567890') f.close() ohash = hash_path('a', 'c', 'o') data_dir = ohash[-3:] whole_path_from = os.path.join(self.objects, '1', data_dir) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) ring = self.replicator.load_object_ring(POLICIES[0]) nodes = [node for node in ring.get_part_nodes(1) if node['ip'] not in _ips()] process_arg_checker = [] for i, node in enumerate(nodes): rsync_mod = '%s::object/sda/objects/%s' % (node['ip'], 1) if i == 0: # force one of the rsync calls to fail ret_code = 1 else: ret_code = 0 process_arg_checker.append( (ret_code, '', ['rsync', whole_path_from, rsync_mod])) with _mock_process(process_arg_checker): self.replicator.replicate() # The path should still exist self.assertTrue(os.access(part_path, os.F_OK)) def test_delete_partition_with_handoff_delete(self): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): self.replicator.handoff_delete = 2 df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) f = open(os.path.join(df._datadir, normalize_timestamp(time.time()) + '.data'), 'wb') f.write(b'1234567890') f.close() ohash = hash_path('a', 'c', 'o') data_dir = ohash[-3:] whole_path_from = os.path.join(self.objects, '1', data_dir) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) ring = self.replicator.load_object_ring(POLICIES[0]) nodes = [node for node in ring.get_part_nodes(1) if node['ip'] not in _ips()] process_arg_checker = [] for i, node in enumerate(nodes): rsync_mod = '%s::object/sda/objects/%s' % (node['ip'], 1) if i == 0: # force one of the rsync calls to fail ret_code = 1 else: ret_code = 0 process_arg_checker.append( (ret_code, '', ['rsync', whole_path_from, rsync_mod])) with _mock_process(process_arg_checker): self.replicator.replicate() self.assertFalse(os.access(part_path, os.F_OK)) def test_delete_partition_with_handoff_delete_failures(self): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): self.replicator.handoff_delete = 2 df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) f = open(os.path.join(df._datadir, normalize_timestamp(time.time()) + '.data'), 'wb') f.write(b'1234567890') f.close() ohash = hash_path('a', 'c', 'o') data_dir = ohash[-3:] whole_path_from = os.path.join(self.objects, '1', data_dir) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) ring = self.replicator.load_object_ring(POLICIES[0]) nodes = [node for node in ring.get_part_nodes(1) if node['ip'] not in _ips()] process_arg_checker = [] for i, node in enumerate(nodes): rsync_mod = '%s::object/sda/objects/%s' % (node['ip'], 1) if i in (0, 1): # force two of the rsync calls to fail ret_code = 1 else: ret_code = 0 process_arg_checker.append( (ret_code, '', ['rsync', whole_path_from, rsync_mod])) with _mock_process(process_arg_checker): self.replicator.replicate() # The file should still exist self.assertTrue(os.access(part_path, os.F_OK)) def test_delete_partition_with_handoff_delete_fail_in_other_region(self): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) f = open(os.path.join(df._datadir, normalize_timestamp(time.time()) + '.data'), 'wb') f.write(b'1234567890') f.close() ohash = hash_path('a', 'c', 'o') data_dir = ohash[-3:] whole_path_from = os.path.join(self.objects, '1', data_dir) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) ring = self.replicator.load_object_ring(POLICIES[0]) nodes = [node for node in ring.get_part_nodes(1) if node['ip'] not in _ips()] process_arg_checker = [] for node in nodes: rsync_mod = '%s::object/sda/objects/%s' % (node['ip'], 1) if node['region'] != 1: # the rsync calls for other region to fail ret_code = 1 else: ret_code = 0 process_arg_checker.append( (ret_code, '', ['rsync', whole_path_from, rsync_mod])) with _mock_process(process_arg_checker): self.replicator.replicate() # The file should still exist self.assertTrue(os.access(part_path, os.F_OK)) def test_delete_partition_override_params(self): df = self.df_mgr.get_diskfile('sda', '0', 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) self.replicator.replicate(override_devices=['sdb']) self.assertTrue(os.access(part_path, os.F_OK)) self.replicator.replicate(override_partitions=[9]) self.assertTrue(os.access(part_path, os.F_OK)) self.replicator.replicate(override_devices=['sda'], override_partitions=[1]) self.assertFalse(os.access(part_path, os.F_OK)) def _make_OSError(self, err): return OSError(err, os.strerror(err)) def test_delete_partition_override_params_os_not_empty_error(self): part_path = os.path.join(self.objects, '1') with mock.patch('swift.obj.replicator.shutil.rmtree') as mockrmtree: mockrmtree.side_effect = self._make_OSError(errno.ENOTEMPTY) self.replicator.replicate(override_devices=['sda'], override_partitions=[1], override_policies=[0]) error_lines = self.replicator.logger.get_lines_for_level('error') self.assertFalse(error_lines) self.assertTrue(os.path.exists(part_path)) self.assertEqual([mock.call(part_path)], mockrmtree.call_args_list) def test_delete_partition_ignores_os_no_entity_error(self): part_path = os.path.join(self.objects, '1') with mock.patch('swift.obj.replicator.shutil.rmtree') as mockrmtree: mockrmtree.side_effect = self._make_OSError(errno.ENOENT) self.replicator.replicate(override_devices=['sda'], override_partitions=[1], override_policies=[0]) error_lines = self.replicator.logger.get_lines_for_level('error') self.assertFalse(error_lines) self.assertTrue(os.path.exists(part_path)) self.assertEqual([mock.call(part_path)], mockrmtree.call_args_list) def test_delete_partition_ignores_os_no_data_error(self): part_path = os.path.join(self.objects, '1') with mock.patch('swift.obj.replicator.shutil.rmtree') as mockrmtree: mockrmtree.side_effect = self._make_OSError(errno.ENODATA) self.replicator.replicate(override_devices=['sda'], override_partitions=[1], override_policies=[0]) error_lines = self.replicator.logger.get_lines_for_level('error') self.assertFalse(error_lines) self.assertTrue(os.path.exists(part_path)) self.assertEqual([mock.call(part_path)], mockrmtree.call_args_list) def test_delete_policy_override_params(self): df0 = self.df_mgr.get_diskfile('sda', '99', 'a', 'c', 'o', policy=POLICIES.legacy) df1 = self.df_mgr.get_diskfile('sda', '99', 'a', 'c', 'o', policy=POLICIES[1]) mkdirs(df0._datadir) mkdirs(df1._datadir) pol0_part_path = os.path.join(self.objects, '99') pol1_part_path = os.path.join(self.objects_1, '99') # sanity checks self.assertTrue(os.access(pol0_part_path, os.F_OK)) self.assertTrue(os.access(pol1_part_path, os.F_OK)) # a bogus policy index doesn't bother the replicator any more than a # bogus device or partition does self.replicator.run_once(policies='1,2,5') self.assertFalse(os.access(pol1_part_path, os.F_OK)) self.assertTrue(os.access(pol0_part_path, os.F_OK)) # since we weren't operating on everything, but only a subset of # storage policies, we didn't dump any recon stats. self.assertFalse(os.path.exists( os.path.join(self.recon_cache, RECON_OBJECT_FILE))) def test_delete_partition_ssync(self): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) ts = normalize_timestamp(time.time()) f = open(os.path.join(df._datadir, ts + '.data'), 'wb') f.write(b'0') f.close() ohash = hash_path('a', 'c', 'o') whole_path_from = storage_directory(self.objects, 1, ohash) suffix_dir_path = os.path.dirname(whole_path_from) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) self.call_nums = 0 self.conf['sync_method'] = 'ssync' def _fake_ssync(node, job, suffixes, **kwargs): success = True ret_val = {ohash: ts} if self.call_nums == 2: # ssync should return (True, []) only when the second # candidate node has not get the replica yet. success = False ret_val = {} self.call_nums += 1 return success, ret_val self.replicator.sync_method = _fake_ssync self.replicator.replicate() # The file should still exist self.assertTrue(os.access(whole_path_from, os.F_OK)) self.assertTrue(os.access(suffix_dir_path, os.F_OK)) self.assertTrue(os.access(part_path, os.F_OK)) self.replicator.replicate() # The file should be deleted at the second replicate call self.assertFalse(os.access(whole_path_from, os.F_OK)) self.assertFalse(os.access(suffix_dir_path, os.F_OK)) self.assertTrue(os.access(part_path, os.F_OK)) self.replicator.replicate() # The partition should be deleted at the third replicate call self.assertFalse(os.access(whole_path_from, os.F_OK)) self.assertFalse(os.access(suffix_dir_path, os.F_OK)) self.assertFalse(os.access(part_path, os.F_OK)) del self.call_nums def test_delete_partition_ssync_with_sync_failure(self): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES.legacy) ts = normalize_timestamp(time.time()) mkdirs(df._datadir) f = open(os.path.join(df._datadir, ts + '.data'), 'wb') f.write(b'0') f.close() ohash = hash_path('a', 'c', 'o') whole_path_from = storage_directory(self.objects, 1, ohash) suffix_dir_path = os.path.dirname(whole_path_from) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) self.call_nums = 0 self.conf['sync_method'] = 'ssync' def _fake_ssync(node, job, suffixes, **kwags): success = False ret_val = {} if self.call_nums == 2: # ssync should return (True, []) only when the second # candidate node has not get the replica yet. success = True ret_val = {ohash: ts} self.call_nums += 1 return success, ret_val self.replicator.sync_method = _fake_ssync self.replicator.replicate() # The file should still exist self.assertTrue(os.access(whole_path_from, os.F_OK)) self.assertTrue(os.access(suffix_dir_path, os.F_OK)) self.assertTrue(os.access(part_path, os.F_OK)) self.replicator.replicate() # The file should still exist self.assertTrue(os.access(whole_path_from, os.F_OK)) self.assertTrue(os.access(suffix_dir_path, os.F_OK)) self.assertTrue(os.access(part_path, os.F_OK)) self.replicator.replicate() # The file should still exist self.assertTrue(os.access(whole_path_from, os.F_OK)) self.assertTrue(os.access(suffix_dir_path, os.F_OK)) self.assertTrue(os.access(part_path, os.F_OK)) del self.call_nums def test_delete_objs_ssync_only_when_in_sync(self): self.replicator.logger = debug_logger('test-replicator') with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) ts = normalize_timestamp(time.time()) f = open(os.path.join(df._datadir, ts + '.data'), 'wb') f.write(b'0') f.close() ohash = hash_path('a', 'c', 'o') whole_path_from = storage_directory(self.objects, 1, ohash) suffix_dir_path = os.path.dirname(whole_path_from) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) self.call_nums = 0 self.conf['sync_method'] = 'ssync' in_sync_objs = {} def _fake_ssync(node, job, suffixes, remote_check_objs=None): self.call_nums += 1 if remote_check_objs is None: # sync job ret_val = {ohash: ts} else: ret_val = in_sync_objs return True, ret_val self.replicator.sync_method = _fake_ssync self.replicator.replicate() self.assertEqual(3, self.call_nums) # The file should still exist self.assertTrue(os.access(whole_path_from, os.F_OK)) self.assertTrue(os.access(suffix_dir_path, os.F_OK)) self.assertTrue(os.access(part_path, os.F_OK)) del self.call_nums def test_delete_partition_ssync_with_cleanup_failure(self): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): self.replicator.logger = mock_logger = \ debug_logger('test-replicator') df = self.df_mgr.get_diskfile('sda', '1', 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) ts = normalize_timestamp(time.time()) f = open(os.path.join(df._datadir, ts + '.data'), 'wb') f.write(b'0') f.close() ohash = hash_path('a', 'c', 'o') whole_path_from = storage_directory(self.objects, 1, ohash) suffix_dir_path = os.path.dirname(whole_path_from) part_path = os.path.join(self.objects, '1') self.assertTrue(os.access(part_path, os.F_OK)) self.call_nums = 0 self.conf['sync_method'] = 'ssync' def _fake_ssync(node, job, suffixes, **kwargs): success = True ret_val = {ohash: ts} if self.call_nums == 2: # ssync should return (True, []) only when the second # candidate node has not get the replica yet. success = False ret_val = {} self.call_nums += 1 return success, ret_val rmdir_func = os.rmdir def raise_exception_rmdir(exception_class, error_no): instance = exception_class() instance.errno = error_no instance.strerror = os.strerror(error_no) def func(directory, dir_fd=None): if directory == suffix_dir_path: raise instance else: rmdir_func(directory) return func self.replicator.sync_method = _fake_ssync self.replicator.replicate() # The file should still exist self.assertTrue(os.access(whole_path_from, os.F_OK)) self.assertTrue(os.access(suffix_dir_path, os.F_OK)) self.assertTrue(os.access(part_path, os.F_OK)) # Fail with ENOENT with mock.patch('os.rmdir', raise_exception_rmdir(OSError, ENOENT)): self.replicator.replicate() self.assertFalse(mock_logger.get_lines_for_level('error')) self.assertFalse(os.access(whole_path_from, os.F_OK)) self.assertTrue(os.access(suffix_dir_path, os.F_OK)) self.assertTrue(os.access(part_path, os.F_OK)) # Fail with ENOTEMPTY with mock.patch('os.rmdir', raise_exception_rmdir(OSError, ENOTEMPTY)): self.replicator.replicate() self.assertFalse(mock_logger.get_lines_for_level('error')) self.assertFalse(os.access(whole_path_from, os.F_OK)) self.assertTrue(os.access(suffix_dir_path, os.F_OK)) self.assertTrue(os.access(part_path, os.F_OK)) # Fail with ENOTDIR with mock.patch('os.rmdir', raise_exception_rmdir(OSError, ENOTDIR)): self.replicator.replicate() self.assertEqual(mock_logger.get_lines_for_level('error'), [ 'Unexpected error trying to cleanup suffix dir %r: ' % os.path.dirname(df._datadir), ]) self.assertFalse(os.access(whole_path_from, os.F_OK)) self.assertTrue(os.access(suffix_dir_path, os.F_OK)) self.assertTrue(os.access(part_path, os.F_OK)) # Finally we can cleanup everything self.replicator.replicate() self.assertFalse(os.access(whole_path_from, os.F_OK)) self.assertFalse(os.access(suffix_dir_path, os.F_OK)) self.assertTrue(os.access(part_path, os.F_OK)) self.replicator.replicate() self.assertFalse(os.access(whole_path_from, os.F_OK)) self.assertFalse(os.access(suffix_dir_path, os.F_OK)) self.assertFalse(os.access(part_path, os.F_OK)) def test_run_once_recover_from_failure(self): conf = dict(swift_dir=self.testdir, devices=self.devices, bind_ip=_ips()[0], mount_check='false', timeout='300', stats_interval='1') replicator = object_replicator.ObjectReplicator(conf) was_connector = object_replicator.http_connect try: object_replicator.http_connect = mock_http_connect(200) # Write some files into '1' and run replicate- they should be moved # to the other partitions and then node should get deleted. cur_part = '1' df = self.df_mgr.get_diskfile('sda', cur_part, 'a', 'c', 'o', policy=POLICIES.legacy) mkdirs(df._datadir) f = open(os.path.join(df._datadir, normalize_timestamp(time.time()) + '.data'), 'wb') f.write(b'1234567890') f.close() ohash = hash_path('a', 'c', 'o') data_dir = ohash[-3:] whole_path_from = os.path.join(self.objects, cur_part, data_dir) ring = replicator.load_object_ring(POLICIES[0]) process_arg_checker = [] nodes = [node for node in ring.get_part_nodes(int(cur_part)) if node['ip'] not in _ips()] for node in nodes: rsync_mod = '%s::object/sda/objects/%s' % (node['ip'], cur_part) process_arg_checker.append( (0, '', ['rsync', whole_path_from, rsync_mod])) self.assertTrue(os.access(os.path.join(self.objects, '1', data_dir, ohash), os.F_OK)) with _mock_process(process_arg_checker): replicator.run_once() self.assertFalse(process_errors) for i, result in [('0', True), ('1', False), ('2', True), ('3', True)]: self.assertEqual(os.access( os.path.join(self.objects, i, diskfile.HASH_FILE), os.F_OK), result) finally: object_replicator.http_connect = was_connector def test_run_once_recover_from_timeout(self): # verify that replicator will pass over all policies' partitions even # if a timeout occurs while replicating one partition to one node. timeouts = [Timeout()] def fake_get_hashes(df_mgr, device, partition, policy, **kwargs): self.get_hash_count += 1 dev_path = df_mgr.get_dev_path(device) part_path = os.path.join(dev_path, diskfile.get_data_dir(policy), str(partition)) # Simulate a REPLICATE timeout by raising Timeout for second call # to get_hashes (with recalculate suffixes) for a specific # partition if (timeouts and '/objects/' in part_path and part_path.endswith('0') and 'recalculate' in kwargs): raise timeouts.pop(0) return 1, {'abc': 'def'} # map partition_path -> [nodes] sync_paths = collections.defaultdict(list) def fake_sync(node, job, suffixes, *args, **kwargs): sync_paths[job['path']].append(node) return True, {} conf = dict(swift_dir=self.testdir, devices=self.devices, bind_ip=_ips()[0], # local dev has id=0 mount_check='false', timeout='300', stats_interval='1') with mock.patch('swift.obj.diskfile.DiskFileManager._get_hashes', fake_get_hashes): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): with mock.patch('swift.obj.replicator.dump_recon_cache'): replicator = object_replicator.ObjectReplicator( conf, logger=self.logger) self.get_hash_count = 0 with mock.patch.object(replicator, 'sync', fake_sync): replicator.run_once() log_lines = replicator.logger.logger.get_lines_for_level('error') self.assertIn("Error syncing with node:", log_lines[0]) self.assertFalse(log_lines[1:]) # setup creates 4 partitions; partition 1 does not map to local dev id # 0 so will be handled by update_delete(); partitions 0, 2, 3 are # handled by update() for each of two policies, so expect 6 paths to be # sync'd self.assertEqual(6, len(sync_paths)) # partition 3 has 2 nodes in remote region, only first node is sync'd. # partition 0 in policy 0 has fake_get_hashes timeout before first # sync, so only second node is sync'd. # other partitions are sync'd to 2 nodes in same region. expected_node_count = { # map path_end -> expected sync node count '/objects/0': 1, '/objects/1': 2, '/objects/2': 2, '/objects/3': 1, '/objects-1/0': 2, '/objects-1/1': 2, '/objects-1/2': 2, '/objects-1/3': 1 } for path, nodes in sync_paths.items(): path_end = path[path.index('/objects'):] self.assertEqual(expected_node_count[path_end], len(nodes), 'Expected %s but got %s for path %s' % (expected_node_count[path_end], len(nodes), path)) # partitions 0 and 2 attempt 3 calls each per policy to get_hashes = 12 # partitions 3 attempts 2 calls per policy to get_hashes = 4 # partitions 1 dosn't get_hashes because of revert self.assertEqual(16, self.get_hash_count) # attempt to 16 times but succeeded only 15 times due to Timeout suffix_hashes = sum( call[0][1] for call in replicator.logger.logger.statsd_client.calls['update_stats'] if call[0][0] == 'suffix.hashes') self.assertEqual(15, suffix_hashes) def test_run(self): with _mock_process([(0, '')] * 100): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): self.replicator.replicate() def test_run_withlog(self): with _mock_process([(0, "stuff in log")] * 100): with mock.patch('swift.obj.replicator.http_connect', mock_http_connect(200)): self.replicator.replicate() def test_sync_just_calls_sync_method(self): self.replicator.sync_method = mock.MagicMock() self.replicator.sync('node', 'job', 'suffixes') self.replicator.sync_method.assert_called_once_with( 'node', 'job', 'suffixes') @mock.patch('swift.obj.replicator.tpool.execute') @mock.patch('swift.obj.replicator.http_connect', autospec=True) @mock.patch('swift.obj.replicator._do_listdir') def test_update(self, mock_do_listdir, mock_http, mock_tpool_execute): def set_default(self): self.replicator.suffix_count = 0 self.replicator.suffix_sync = 0 self.replicator.suffix_hash = 0 self.replicator.last_replication_count = 0 self.replicator._zero_stats() self.replicator.partition_times = [] self.headers = {'Content-Length': '0', 'user-agent': 'object-replicator %s' % os.getpid()} mock_tpool_execute.return_value = (0, {}) all_jobs = self.replicator.collect_jobs() jobs = [job for job in all_jobs if not job['delete']] mock_http.return_value = answer = mock.MagicMock() answer.getresponse.return_value = resp = mock.MagicMock() # Check incorrect http_connect with status 507 and # count of attempts and call args resp.status = 507 expected_listdir_calls = [ mock.call(int(job['partition']), self.replicator.replication_cycle) for job in jobs] do_listdir_results = [False, False, True, False, True, False] mock_do_listdir.side_effect = do_listdir_results expected_tpool_calls = [ mock.call(self.replicator._df_router[job['policy']]._get_hashes, job['device'], job['partition'], job['policy'], do_listdir=do_listdir) for job, do_listdir in zip(jobs, do_listdir_results) ] for job in jobs: set_default(self) ring = job['policy'].object_ring self.headers['X-Backend-Storage-Policy-Index'] = int(job['policy']) self.replicator.update(job) error_lines = self.logger.get_lines_for_level('error') expected = [] error = '%s responded as unmounted' # ... first the primaries for node in job['nodes']: node_str = utils.node_to_string(node, replication=True) expected.append(error % node_str) # ... then it will get handoffs for node in job['policy'].object_ring.get_more_nodes( int(job['partition'])): node_str = utils.node_to_string(node, replication=True) expected.append(error % node_str) # ... and finally we get an error about running out of nodes expected.append('Ran out of handoffs while replicating ' 'partition %s of policy %d' % (job['partition'], job['policy'])) self.assertEqual(expected, error_lines) self.assertEqual(len(self.replicator.partition_times), 1) self.assertEqual(mock_http.call_count, len(ring._devs) - 1) reqs = [] for node in job['nodes']: reqs.append(mock.call(node['ip'], node['port'], node['device'], job['partition'], 'REPLICATE', '', headers=self.headers)) if job['partition'] == '0': self.assertEqual(self.replicator.suffix_hash, 0) mock_http.assert_has_calls(reqs, any_order=True) mock_http.reset_mock() self.logger.clear() mock_do_listdir.assert_has_calls(expected_listdir_calls) mock_tpool_execute.assert_has_calls(expected_tpool_calls) mock_do_listdir.side_effect = None mock_do_listdir.return_value = False # Check incorrect http_connect with status 400 != HTTP_OK resp.status = 400 error = 'Invalid response %(resp)s from %(node)s' for job in jobs: set_default(self) self.replicator.update(job) # ... only the primaries expected = [ error % { "resp": 400, "node": utils.node_to_string(node, replication=True)} for node in job['nodes']] self.assertEqual(expected, self.logger.get_lines_for_level('error')) self.assertEqual(len(self.replicator.partition_times), 1) self.logger.clear() # Check successful http_connection and exception with # incorrect pickle.loads(resp.read()) resp.status = 200 resp.read.return_value = b'garbage' expect = 'Error syncing with node: %s: ' for job in jobs: set_default(self) self.replicator.update(job) # ... only the primaries expected = [expect % utils.node_to_string(node, replication=True) for node in job['nodes']] error_lines = self.logger.get_lines_for_level('error') self.assertEqual(expected, error_lines) self.assertEqual(len(self.replicator.partition_times), 1) self.logger.clear() # Check successful http_connection and correct # pickle.loads(resp.read()) for non local node resp.status = 200 local_job = None resp.read.return_value = pickle.dumps({}) for job in jobs: set_default(self) # limit local job to policy 0 for simplicity if job['partition'] == '0' and int(job['policy']) == 0: local_job = job.copy() continue self.replicator.update(job) self.assertEqual([], self.logger.get_lines_for_level('error')) self.assertEqual(len(self.replicator.partition_times), 1) self.assertEqual(self.replicator.suffix_hash, 0) self.assertEqual(self.replicator.suffix_sync, 0) self.assertEqual(self.replicator.suffix_count, 0) self.logger.clear() # Check successful http_connect and sync for local node mock_tpool_execute.return_value = (1, {'a83': 'ba47fd314242ec8c' '7efb91f5d57336e4'}) resp.read.return_value = pickle.dumps({'a83': 'c130a2c17ed45102a' 'ada0f4eee69494ff'}) set_default(self) self.replicator.sync = fake_func = \ mock.MagicMock(return_value=(True, [])) self.replicator.update(local_job) reqs = [] for node in local_job['nodes']: reqs.append(mock.call(node, local_job, ['a83'])) fake_func.assert_has_calls(reqs, any_order=True) self.assertEqual(fake_func.call_count, 2) stats = self.replicator.total_stats self.assertEqual(stats.attempted, 1) self.assertEqual(stats.suffix_sync, 2) self.assertEqual(stats.suffix_hash, 1) self.assertEqual(stats.suffix_count, 1) self.assertEqual(stats.hashmatch, 0) # Efficient Replication Case set_default(self) self.replicator.sync = fake_func = \ mock.MagicMock(return_value=(True, [])) all_jobs = self.replicator.collect_jobs() job = None for tmp in all_jobs: if tmp['partition'] == '3': job = tmp break # The candidate nodes to replicate (i.e. dev1 and dev3) # belong to another region self.replicator.update(job) self.assertEqual(fake_func.call_count, 1) stats = self.replicator.total_stats self.assertEqual(stats.attempted, 1) self.assertEqual(stats.suffix_sync, 1) self.assertEqual(stats.suffix_hash, 1) self.assertEqual(stats.suffix_count, 1) self.assertEqual(stats.hashmatch, 0) mock_http.reset_mock() self.logger.clear() # test for replication params on policy 0 only repl_job = local_job.copy() for node in repl_job['nodes']: node['replication_ip'] = '127.0.0.11' node['replication_port'] = '6011' set_default(self) # with only one set of headers make sure we specify index 0 here # as otherwise it may be different from earlier tests self.headers['X-Backend-Storage-Policy-Index'] = 0 self.replicator.update(repl_job) reqs = [] for node in repl_job['nodes']: reqs.append(mock.call(node['replication_ip'], node['replication_port'], node['device'], repl_job['partition'], 'REPLICATE', '', headers=self.headers)) mock_http.assert_has_calls(reqs, any_order=True) @mock.patch('swift.obj.replicator.tpool.execute') @mock.patch('swift.obj.replicator.http_connect', autospec=True) @mock.patch('swift.obj.replicator._do_listdir') def test_update_local_hash_changes_during_replication( self, mock_do_listdir, mock_http, mock_tpool_execute): mock_http.return_value = answer = mock.MagicMock() answer.getresponse.return_value = resp = mock.MagicMock() resp.status = 200 resp.read.return_value = pickle.dumps({ 'a83': 'c130a2c17ed45102aada0f4eee69494ff'}) self.replicator.sync = fake_sync = \ mock.MagicMock(return_value=(True, [])) local_job = [ job for job in self.replicator.collect_jobs() if not job['delete'] and job['partition'] == '0' and int(job['policy']) == 0 ][0] mock_tpool_execute.side_effect = [ (1, {'a83': 'ba47fd314242ec8c7efb91f5d57336e4'}), (1, {'a83': 'c130a2c17ed45102aada0f4eee69494ff'}), ] self.replicator.update(local_job) self.assertEqual(fake_sync.call_count, 0) self.assertEqual(mock_http.call_count, 2) stats = self.replicator.total_stats self.assertEqual(stats.attempted, 1) self.assertEqual(stats.suffix_sync, 0) self.assertEqual(stats.suffix_hash, 1) self.assertEqual(stats.suffix_count, 1) self.assertEqual(stats.hashmatch, 2) def test_rsync_compress_different_region(self): self.assertEqual(self.replicator.sync_method, self.replicator.rsync) jobs = self.replicator.collect_jobs() _m_rsync = mock.Mock(return_value=0) _m_os_path_exists = mock.Mock(return_value=True) expected_reqs = [] with mock.patch.object(self.replicator, '_rsync', _m_rsync), \ mock.patch('os.path.exists', _m_os_path_exists), \ mocked_http_conn( *[200] * 2 * sum(len(job['nodes']) for job in jobs), body=pickle.dumps('{}')) as request_log: for job in jobs: self.assertTrue('region' in job) for node in job['nodes']: for rsync_compress in (True, False): expected_reqs.append(( 'REPLICATE', node['ip'], '/%s/%s/fake_suffix' % ( node['device'], job['partition']), )) self.replicator.rsync_compress = rsync_compress ret = self.replicator.sync(node, job, ['fake_suffix']) self.assertTrue(ret) if node['region'] != job['region']: if rsync_compress: # --compress arg should be passed to rsync # binary only when rsync_compress option is # enabled AND destination node is in a # different region self.assertTrue('--compress' in _m_rsync.call_args[0][0]) else: self.assertFalse('--compress' in _m_rsync.call_args[0][0]) else: self.assertFalse('--compress' in _m_rsync.call_args[0][0]) self.assertEqual( _m_os_path_exists.call_args_list[-1][0][0], os.path.join(job['path'], 'fake_suffix')) self.assertEqual( _m_os_path_exists.call_args_list[-2][0][0], os.path.join(job['path'])) self.assertEqual(expected_reqs, [ (r['method'], r['ip'], r['path']) for r in request_log.requests]) def test_rsync_failure_logging(self): with mock.patch('swift.obj.replicator.subprocess.Popen') as mock_popen: mock_popen.return_value.stdout = io.BytesIO(b'\n'.join([ b'', b'cd+++++++++ suf', b'cd+++++++++ suf/hash1', b'