Example #1
0
    def test_run_once(self):
        replicator = object_replicator.ObjectReplicator(
            dict(swift_dir=self.testdir,
                 devices=self.devices,
                 mount_check='false',
                 timeout='300',
                 stats_interval='1'))
        was_connector = object_replicator.http_connect
        object_replicator.http_connect = mock_http_connect(200)
        cur_part = '0'
        df = DiskFile(self.devices, 'sda', cur_part, 'a', 'c', 'o')
        mkdirs(df.datadir)
        f = open(
            os.path.join(df.datadir,
                         normalize_timestamp(time.time()) + '.data'), 'wb')
        f.write('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 = []
        nodes = [node for node in
                 self.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]))
        with _mock_process(process_arg_checker):
            replicator.run_once()
        self.assertFalse(process_errors)

        object_replicator.http_connect = was_connector
    def test_run_once_recover_from_timeout(self):
        replicator = object_replicator.ObjectReplicator(
            dict(swift_dir=self.testdir, devices=self.devices,
                 mount_check='false', timeout='300', stats_interval='1'))
        was_connector = object_replicator.http_connect
        was_get_hashes = object_replicator.get_hashes
        was_execute = tpool.execute
        self.get_hash_count = 0
        try:

            def fake_get_hashes(*args, **kwargs):
                self.get_hash_count += 1
                if self.get_hash_count == 3:
                    # raise timeout on last call to get hashes
                    raise Timeout()
                return 2, {'abc': 'def'}

            def fake_exc(tester, *args, **kwargs):
                if 'Error syncing partition' in args[0]:
                    tester.i_failed = True

            self.i_failed = False
            object_replicator.http_connect = mock_http_connect(200)
            object_replicator.get_hashes = fake_get_hashes
            replicator.logger.exception = \
                lambda *args, **kwargs: fake_exc(self, *args, **kwargs)
            # 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 = diskfile.DiskFile(
                self.devices, 'sda', cur_part, 'a', 'c', 'o', FakeLogger())
            mkdirs(df.datadir)
            f = open(os.path.join(df.datadir,
                                  normalize_timestamp(time.time()) + '.data'),
                     'wb')
            f.write('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 = []
            nodes = [node for node in
                     self.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)
            self.assertFalse(self.i_failed)
        finally:
            object_replicator.http_connect = was_connector
            object_replicator.get_hashes = was_get_hashes
            tpool.execute = was_execute
Example #3
0
 def setUp(self):
     utils.HASH_PATH_SUFFIX = 'endcap'
     utils.HASH_PATH_PREFIX = ''
     # 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)
     os.mkdir(os.path.join(self.devices, 'sda'))
     self.objects = os.path.join(self.devices, 'sda', 'objects')
     os.mkdir(self.objects)
     self.parts = {}
     for part in ['0', '1', '2', '3']:
         self.parts[part] = os.path.join(self.objects, part)
         os.mkdir(os.path.join(self.objects, part))
     self.ring = _create_test_ring(self.testdir)
     self.conf = dict(swift_dir=self.testdir,
                      devices=self.devices,
                      mount_check='false',
                      timeout='300',
                      stats_interval='1')
     self.replicator = object_replicator.ObjectReplicator(self.conf)
     self.replicator.logger = FakeLogger()
     self.df_mgr = diskfile.DiskFileManager(self.conf,
                                            self.replicator.logger)
Example #4
0
 def test_run_once_recover_from_failure(self):
     replicator = object_replicator.ObjectReplicator(
         dict(swift_dir=self.testdir,
              devices=self.devices,
              mount_check='false',
              timeout='300',
              stats_interval='1'))
     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 partitoins and then node should get deleted.
         cur_part = '1'
         df = DiskFile(self.devices, 'sda', cur_part, 'a', 'c', 'o',
                       FakeLogger())
         mkdirs(df.datadir)
         f = open(
             os.path.join(df.datadir,
                          normalize_timestamp(time.time()) + '.data'), 'wb')
         f.write('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 = []
         nodes = [node for node in
                  self.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.assertEquals(
                 os.access(
                     os.path.join(self.objects, i,
                                  object_replicator.HASH_FILE), os.F_OK),
                 result)
     finally:
         object_replicator.http_connect = was_connector
Example #5
0
 def setUp(self):
     # 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)
     os.mkdir(os.path.join(self.devices, 'sda'))
     self.objects = os.path.join(self.devices, 'sda', 'objects')
     os.mkdir(self.objects)
     self.parts = {}
     for part in ['0', '1', '2', '3']:
         self.parts[part] = os.path.join(self.objects, part)
         os.mkdir(os.path.join(self.objects, part))
     self.ring = _create_test_ring(self.testdir)
     self.conf = dict(swift_dir=self.testdir,
                      devices=self.devices,
                      mount_check='false',
                      timeout='300',
                      stats_interval='1')
     self.replicator = object_replicator.ObjectReplicator(self.conf)