swift/test/unit/obj/test_ssync_sender.py
Paul Luse 873c52e608 Replace POLICY and POLICY_INDEX with string literals
Replaced throughout code base &  tox'd. Functional as well
as probe tests pass with and without policies defined.

POLICY --> 'X-Storage-Policy'
POLICY_INDEX --> 'X-Backend-Storage-Policy-Index'

Change-Id: Iea3d06de80210e9e504e296d4572583d7ffabeac
2014-06-23 12:52:50 -07:00

903 lines
35 KiB
Python

# Copyright (c) 2013 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 hashlib
import os
import shutil
import StringIO
import tempfile
import time
import unittest
import eventlet
import mock
from swift.common import exceptions, utils
from swift.obj import ssync_sender, diskfile
from test.unit import DebugLogger, patch_policies
class FakeReplicator(object):
def __init__(self, testdir):
self.logger = mock.MagicMock()
self.conn_timeout = 1
self.node_timeout = 2
self.http_timeout = 3
self.network_chunk_size = 65536
self.disk_chunk_size = 4096
conf = {
'devices': testdir,
'mount_check': 'false',
}
self._diskfile_mgr = diskfile.DiskFileManager(conf, DebugLogger())
class NullBufferedHTTPConnection(object):
def __init__(*args, **kwargs):
pass
def putrequest(*args, **kwargs):
pass
def putheader(*args, **kwargs):
pass
def endheaders(*args, **kwargs):
pass
def getresponse(*args, **kwargs):
pass
class FakeResponse(object):
def __init__(self, chunk_body=''):
self.status = 200
self.close_called = False
if chunk_body:
self.fp = StringIO.StringIO(
'%x\r\n%s\r\n0\r\n\r\n' % (len(chunk_body), chunk_body))
def close(self):
self.close_called = True
class FakeConnection(object):
def __init__(self):
self.sent = []
self.closed = False
def send(self, data):
self.sent.append(data)
def close(self):
self.closed = True
class TestSender(unittest.TestCase):
def setUp(self):
self.tmpdir = tempfile.mkdtemp()
self.testdir = os.path.join(self.tmpdir, 'tmp_test_ssync_sender')
self.replicator = FakeReplicator(self.testdir)
self.sender = ssync_sender.Sender(self.replicator, None, None, None)
def tearDown(self):
shutil.rmtree(self.tmpdir, ignore_errors=1)
def _make_open_diskfile(self, device='dev', partition='9',
account='a', container='c', obj='o', body='test',
extra_metadata=None, policy_idx=0):
object_parts = account, container, obj
req_timestamp = utils.normalize_timestamp(time.time())
df = self.sender.daemon._diskfile_mgr.get_diskfile(
device, partition, *object_parts, policy_idx=policy_idx)
content_length = len(body)
etag = hashlib.md5(body).hexdigest()
with df.create() as writer:
writer.write(body)
metadata = {
'X-Timestamp': req_timestamp,
'Content-Length': content_length,
'ETag': etag,
}
if extra_metadata:
metadata.update(extra_metadata)
writer.put(metadata)
df.open()
return df
def test_call_catches_MessageTimeout(self):
def connect(self):
exc = exceptions.MessageTimeout(1, 'test connect')
# Cancels Eventlet's raising of this since we're about to do it.
exc.cancel()
raise exc
with mock.patch.object(ssync_sender.Sender, 'connect', connect):
node = dict(ip='1.2.3.4', port=5678, device='sda1')
job = dict(partition='9')
self.sender = ssync_sender.Sender(self.replicator, node, job, None)
self.sender.suffixes = ['abc']
self.assertFalse(self.sender())
call = self.replicator.logger.error.mock_calls[0]
self.assertEqual(
call[1][:-1], ('%s:%s/%s/%s %s', '1.2.3.4', 5678, 'sda1', '9'))
self.assertEqual(str(call[1][-1]), '1 second: test connect')
def test_call_catches_ReplicationException(self):
def connect(self):
raise exceptions.ReplicationException('test connect')
with mock.patch.object(ssync_sender.Sender, 'connect', connect):
node = dict(ip='1.2.3.4', port=5678, device='sda1')
job = dict(partition='9')
self.sender = ssync_sender.Sender(self.replicator, node, job, None)
self.sender.suffixes = ['abc']
self.assertFalse(self.sender())
call = self.replicator.logger.error.mock_calls[0]
self.assertEqual(
call[1][:-1], ('%s:%s/%s/%s %s', '1.2.3.4', 5678, 'sda1', '9'))
self.assertEqual(str(call[1][-1]), 'test connect')
def test_call_catches_other_exceptions(self):
node = dict(ip='1.2.3.4', port=5678, device='sda1')
job = dict(partition='9')
self.sender = ssync_sender.Sender(self.replicator, node, job, None)
self.sender.suffixes = ['abc']
self.sender.connect = 'cause exception'
self.assertFalse(self.sender())
call = self.replicator.logger.exception.mock_calls[0]
self.assertEqual(
call[1],
('%s:%s/%s/%s EXCEPTION in replication.Sender', '1.2.3.4', 5678,
'sda1', '9'))
def test_call_catches_exception_handling_exception(self):
node = dict(ip='1.2.3.4', port=5678, device='sda1')
job = None # Will cause inside exception handler to fail
self.sender = ssync_sender.Sender(self.replicator, node, job, None)
self.sender.suffixes = ['abc']
self.sender.connect = 'cause exception'
self.assertFalse(self.sender())
self.replicator.logger.exception.assert_called_once_with(
'EXCEPTION in replication.Sender')
def test_call_calls_others(self):
self.sender.suffixes = ['abc']
self.sender.connect = mock.MagicMock()
self.sender.missing_check = mock.MagicMock()
self.sender.updates = mock.MagicMock()
self.sender.disconnect = mock.MagicMock()
self.assertTrue(self.sender())
self.sender.connect.assert_called_once_with()
self.sender.missing_check.assert_called_once_with()
self.sender.updates.assert_called_once_with()
self.sender.disconnect.assert_called_once_with()
def test_call_calls_others_returns_failure(self):
self.sender.suffixes = ['abc']
self.sender.connect = mock.MagicMock()
self.sender.missing_check = mock.MagicMock()
self.sender.updates = mock.MagicMock()
self.sender.disconnect = mock.MagicMock()
self.sender.failures = 1
self.assertFalse(self.sender())
self.sender.connect.assert_called_once_with()
self.sender.missing_check.assert_called_once_with()
self.sender.updates.assert_called_once_with()
self.sender.disconnect.assert_called_once_with()
@patch_policies
def test_connect(self):
node = dict(ip='1.2.3.4', port=5678, device='sda1')
job = dict(partition='9', policy_idx=1)
self.sender = ssync_sender.Sender(self.replicator, node, job, None)
self.sender.suffixes = ['abc']
with mock.patch(
'swift.obj.ssync_sender.bufferedhttp.BufferedHTTPConnection'
) as mock_conn_class:
mock_conn = mock_conn_class.return_value
mock_resp = mock.MagicMock()
mock_resp.status = 200
mock_conn.getresponse.return_value = mock_resp
self.sender.connect()
mock_conn_class.assert_called_once_with('1.2.3.4:5678')
expectations = {
'putrequest': [
mock.call('REPLICATION', '/sda1/9'),
],
'putheader': [
mock.call('Transfer-Encoding', 'chunked'),
mock.call('X-Backend-Storage-Policy-Index', 1),
],
'endheaders': [mock.call()],
}
for method_name, expected_calls in expectations.items():
mock_method = getattr(mock_conn, method_name)
self.assertEquals(expected_calls, mock_method.mock_calls,
'connection method "%s" got %r not %r' % (
method_name, mock_method.mock_calls,
expected_calls))
def test_connect_send_timeout(self):
self.replicator.conn_timeout = 0.01
node = dict(ip='1.2.3.4', port=5678, device='sda1')
job = dict(partition='9')
self.sender = ssync_sender.Sender(self.replicator, node, job, None)
self.sender.suffixes = ['abc']
def putrequest(*args, **kwargs):
eventlet.sleep(0.1)
with mock.patch.object(
ssync_sender.bufferedhttp.BufferedHTTPConnection,
'putrequest', putrequest):
self.assertFalse(self.sender())
call = self.replicator.logger.error.mock_calls[0]
self.assertEqual(
call[1][:-1], ('%s:%s/%s/%s %s', '1.2.3.4', 5678, 'sda1', '9'))
self.assertEqual(str(call[1][-1]), '0.01 seconds: connect send')
def test_connect_receive_timeout(self):
self.replicator.node_timeout = 0.02
node = dict(ip='1.2.3.4', port=5678, device='sda1')
job = dict(partition='9')
self.sender = ssync_sender.Sender(self.replicator, node, job, None)
self.sender.suffixes = ['abc']
class FakeBufferedHTTPConnection(NullBufferedHTTPConnection):
def getresponse(*args, **kwargs):
eventlet.sleep(0.1)
with mock.patch.object(
ssync_sender.bufferedhttp, 'BufferedHTTPConnection',
FakeBufferedHTTPConnection):
self.assertFalse(self.sender())
call = self.replicator.logger.error.mock_calls[0]
self.assertEqual(
call[1][:-1], ('%s:%s/%s/%s %s', '1.2.3.4', 5678, 'sda1', '9'))
self.assertEqual(str(call[1][-1]), '0.02 seconds: connect receive')
def test_connect_bad_status(self):
self.replicator.node_timeout = 0.02
node = dict(ip='1.2.3.4', port=5678, device='sda1')
job = dict(partition='9')
self.sender = ssync_sender.Sender(self.replicator, node, job, None)
self.sender.suffixes = ['abc']
class FakeBufferedHTTPConnection(NullBufferedHTTPConnection):
def getresponse(*args, **kwargs):
response = FakeResponse()
response.status = 503
return response
with mock.patch.object(
ssync_sender.bufferedhttp, 'BufferedHTTPConnection',
FakeBufferedHTTPConnection):
self.assertFalse(self.sender())
call = self.replicator.logger.error.mock_calls[0]
self.assertEqual(
call[1][:-1], ('%s:%s/%s/%s %s', '1.2.3.4', 5678, 'sda1', '9'))
self.assertEqual(str(call[1][-1]), 'Expected status 200; got 503')
def test_readline_newline_in_buffer(self):
self.sender.response_buffer = 'Has a newline already.\r\nOkay.'
self.assertEqual(self.sender.readline(), 'Has a newline already.\r\n')
self.assertEqual(self.sender.response_buffer, 'Okay.')
def test_readline_buffer_exceeds_network_chunk_size_somehow(self):
self.replicator.network_chunk_size = 2
self.sender.response_buffer = '1234567890'
self.assertEqual(self.sender.readline(), '1234567890')
self.assertEqual(self.sender.response_buffer, '')
def test_readline_at_start_of_chunk(self):
self.sender.response = FakeResponse()
self.sender.response.fp = StringIO.StringIO('2\r\nx\n\r\n')
self.assertEqual(self.sender.readline(), 'x\n')
def test_readline_chunk_with_extension(self):
self.sender.response = FakeResponse()
self.sender.response.fp = StringIO.StringIO(
'2 ; chunk=extension\r\nx\n\r\n')
self.assertEqual(self.sender.readline(), 'x\n')
def test_readline_broken_chunk(self):
self.sender.response = FakeResponse()
self.sender.response.fp = StringIO.StringIO('q\r\nx\n\r\n')
self.assertRaises(
exceptions.ReplicationException, self.sender.readline)
self.assertTrue(self.sender.response.close_called)
def test_readline_terminated_chunk(self):
self.sender.response = FakeResponse()
self.sender.response.fp = StringIO.StringIO('b\r\nnot enough')
self.assertRaises(
exceptions.ReplicationException, self.sender.readline)
self.assertTrue(self.sender.response.close_called)
def test_readline_all(self):
self.sender.response = FakeResponse()
self.sender.response.fp = StringIO.StringIO('2\r\nx\n\r\n0\r\n\r\n')
self.assertEqual(self.sender.readline(), 'x\n')
self.assertEqual(self.sender.readline(), '')
self.assertEqual(self.sender.readline(), '')
def test_readline_all_trailing_not_newline_termed(self):
self.sender.response = FakeResponse()
self.sender.response.fp = StringIO.StringIO(
'2\r\nx\n\r\n3\r\n123\r\n0\r\n\r\n')
self.assertEqual(self.sender.readline(), 'x\n')
self.assertEqual(self.sender.readline(), '123')
self.assertEqual(self.sender.readline(), '')
self.assertEqual(self.sender.readline(), '')
def test_missing_check_timeout(self):
self.sender.connection = FakeConnection()
self.sender.connection.send = lambda d: eventlet.sleep(1)
self.sender.daemon.node_timeout = 0.01
self.assertRaises(exceptions.MessageTimeout, self.sender.missing_check)
def test_missing_check_has_empty_suffixes(self):
def yield_hashes(device, partition, policy_idx, suffixes=None):
if (device != 'dev' or partition != '9' or policy_idx != 0 or
suffixes != ['abc', 'def']):
yield # Just here to make this a generator
raise Exception(
'No match for %r %r %r %r' % (device, partition,
policy_idx, suffixes))
self.sender.connection = FakeConnection()
self.sender.job = {'device': 'dev', 'partition': '9'}
self.sender.suffixes = ['abc', 'def']
self.sender.response = FakeResponse(
chunk_body=(
':MISSING_CHECK: START\r\n'
':MISSING_CHECK: END\r\n'))
self.sender.daemon._diskfile_mgr.yield_hashes = yield_hashes
self.sender.missing_check()
self.assertEqual(
''.join(self.sender.connection.sent),
'17\r\n:MISSING_CHECK: START\r\n\r\n'
'15\r\n:MISSING_CHECK: END\r\n\r\n')
self.assertEqual(self.sender.send_list, [])
def test_missing_check_has_suffixes(self):
def yield_hashes(device, partition, policy_idx, suffixes=None):
if (device == 'dev' and partition == '9' and policy_idx == 0 and
suffixes == ['abc', 'def']):
yield (
'/srv/node/dev/objects/9/abc/'
'9d41d8cd98f00b204e9800998ecf0abc',
'9d41d8cd98f00b204e9800998ecf0abc',
'1380144470.00000')
yield (
'/srv/node/dev/objects/9/def/'
'9d41d8cd98f00b204e9800998ecf0def',
'9d41d8cd98f00b204e9800998ecf0def',
'1380144472.22222')
yield (
'/srv/node/dev/objects/9/def/'
'9d41d8cd98f00b204e9800998ecf1def',
'9d41d8cd98f00b204e9800998ecf1def',
'1380144474.44444')
else:
raise Exception(
'No match for %r %r %r %r' % (device, partition,
policy_idx, suffixes))
self.sender.connection = FakeConnection()
self.sender.job = {'device': 'dev', 'partition': '9'}
self.sender.suffixes = ['abc', 'def']
self.sender.response = FakeResponse(
chunk_body=(
':MISSING_CHECK: START\r\n'
':MISSING_CHECK: END\r\n'))
self.sender.daemon._diskfile_mgr.yield_hashes = yield_hashes
self.sender.missing_check()
self.assertEqual(
''.join(self.sender.connection.sent),
'17\r\n:MISSING_CHECK: START\r\n\r\n'
'33\r\n9d41d8cd98f00b204e9800998ecf0abc 1380144470.00000\r\n\r\n'
'33\r\n9d41d8cd98f00b204e9800998ecf0def 1380144472.22222\r\n\r\n'
'33\r\n9d41d8cd98f00b204e9800998ecf1def 1380144474.44444\r\n\r\n'
'15\r\n:MISSING_CHECK: END\r\n\r\n')
self.assertEqual(self.sender.send_list, [])
def test_missing_check_far_end_disconnect(self):
def yield_hashes(device, partition, policy_idx, suffixes=None):
if (device == 'dev' and partition == '9' and policy_idx == 0 and
suffixes == ['abc']):
yield (
'/srv/node/dev/objects/9/abc/'
'9d41d8cd98f00b204e9800998ecf0abc',
'9d41d8cd98f00b204e9800998ecf0abc',
'1380144470.00000')
else:
raise Exception(
'No match for %r %r %r %r' % (device, partition,
policy_idx, suffixes))
self.sender.connection = FakeConnection()
self.sender.job = {'device': 'dev', 'partition': '9'}
self.sender.suffixes = ['abc']
self.sender.daemon._diskfile_mgr.yield_hashes = yield_hashes
self.sender.response = FakeResponse(chunk_body='\r\n')
exc = None
try:
self.sender.missing_check()
except exceptions.ReplicationException as err:
exc = err
self.assertEqual(str(exc), 'Early disconnect')
self.assertEqual(
''.join(self.sender.connection.sent),
'17\r\n:MISSING_CHECK: START\r\n\r\n'
'33\r\n9d41d8cd98f00b204e9800998ecf0abc 1380144470.00000\r\n\r\n'
'15\r\n:MISSING_CHECK: END\r\n\r\n')
def test_missing_check_far_end_disconnect2(self):
def yield_hashes(device, partition, policy_idx, suffixes=None):
if (device == 'dev' and partition == '9' and policy_idx == 0 and
suffixes == ['abc']):
yield (
'/srv/node/dev/objects/9/abc/'
'9d41d8cd98f00b204e9800998ecf0abc',
'9d41d8cd98f00b204e9800998ecf0abc',
'1380144470.00000')
else:
raise Exception(
'No match for %r %r %r %r' % (device, partition,
policy_idx, suffixes))
self.sender.connection = FakeConnection()
self.sender.job = {'device': 'dev', 'partition': '9'}
self.sender.suffixes = ['abc']
self.sender.daemon._diskfile_mgr.yield_hashes = yield_hashes
self.sender.response = FakeResponse(
chunk_body=':MISSING_CHECK: START\r\n')
exc = None
try:
self.sender.missing_check()
except exceptions.ReplicationException as err:
exc = err
self.assertEqual(str(exc), 'Early disconnect')
self.assertEqual(
''.join(self.sender.connection.sent),
'17\r\n:MISSING_CHECK: START\r\n\r\n'
'33\r\n9d41d8cd98f00b204e9800998ecf0abc 1380144470.00000\r\n\r\n'
'15\r\n:MISSING_CHECK: END\r\n\r\n')
def test_missing_check_far_end_unexpected(self):
def yield_hashes(device, partition, policy_idx, suffixes=None):
if (device == 'dev' and partition == '9' and policy_idx == 0 and
suffixes == ['abc']):
yield (
'/srv/node/dev/objects/9/abc/'
'9d41d8cd98f00b204e9800998ecf0abc',
'9d41d8cd98f00b204e9800998ecf0abc',
'1380144470.00000')
else:
raise Exception(
'No match for %r %r %r %r' % (device, partition,
policy_idx, suffixes))
self.sender.connection = FakeConnection()
self.sender.job = {'device': 'dev', 'partition': '9'}
self.sender.suffixes = ['abc']
self.sender.daemon._diskfile_mgr.yield_hashes = yield_hashes
self.sender.response = FakeResponse(chunk_body='OH HAI\r\n')
exc = None
try:
self.sender.missing_check()
except exceptions.ReplicationException as err:
exc = err
self.assertEqual(str(exc), "Unexpected response: 'OH HAI'")
self.assertEqual(
''.join(self.sender.connection.sent),
'17\r\n:MISSING_CHECK: START\r\n\r\n'
'33\r\n9d41d8cd98f00b204e9800998ecf0abc 1380144470.00000\r\n\r\n'
'15\r\n:MISSING_CHECK: END\r\n\r\n')
def test_missing_check_send_list(self):
def yield_hashes(device, partition, policy_idx, suffixes=None):
if (device == 'dev' and partition == '9' and policy_idx == 0 and
suffixes == ['abc']):
yield (
'/srv/node/dev/objects/9/abc/'
'9d41d8cd98f00b204e9800998ecf0abc',
'9d41d8cd98f00b204e9800998ecf0abc',
'1380144470.00000')
else:
raise Exception(
'No match for %r %r %r %r' % (device, partition,
policy_idx, suffixes))
self.sender.connection = FakeConnection()
self.sender.job = {'device': 'dev', 'partition': '9'}
self.sender.suffixes = ['abc']
self.sender.response = FakeResponse(
chunk_body=(
':MISSING_CHECK: START\r\n'
'0123abc\r\n'
':MISSING_CHECK: END\r\n'))
self.sender.daemon._diskfile_mgr.yield_hashes = yield_hashes
self.sender.missing_check()
self.assertEqual(
''.join(self.sender.connection.sent),
'17\r\n:MISSING_CHECK: START\r\n\r\n'
'33\r\n9d41d8cd98f00b204e9800998ecf0abc 1380144470.00000\r\n\r\n'
'15\r\n:MISSING_CHECK: END\r\n\r\n')
self.assertEqual(self.sender.send_list, ['0123abc'])
def test_updates_timeout(self):
self.sender.connection = FakeConnection()
self.sender.connection.send = lambda d: eventlet.sleep(1)
self.sender.daemon.node_timeout = 0.01
self.assertRaises(exceptions.MessageTimeout, self.sender.updates)
def test_updates_empty_send_list(self):
self.sender.connection = FakeConnection()
self.sender.send_list = []
self.sender.response = FakeResponse(
chunk_body=(
':UPDATES: START\r\n'
':UPDATES: END\r\n'))
self.sender.updates()
self.assertEqual(
''.join(self.sender.connection.sent),
'11\r\n:UPDATES: START\r\n\r\n'
'f\r\n:UPDATES: END\r\n\r\n')
def test_updates_unexpected_response_lines1(self):
self.sender.connection = FakeConnection()
self.sender.send_list = []
self.sender.response = FakeResponse(
chunk_body=(
'abc\r\n'
':UPDATES: START\r\n'
':UPDATES: END\r\n'))
exc = None
try:
self.sender.updates()
except exceptions.ReplicationException as err:
exc = err
self.assertEqual(str(exc), "Unexpected response: 'abc'")
self.assertEqual(
''.join(self.sender.connection.sent),
'11\r\n:UPDATES: START\r\n\r\n'
'f\r\n:UPDATES: END\r\n\r\n')
def test_updates_unexpected_response_lines2(self):
self.sender.connection = FakeConnection()
self.sender.send_list = []
self.sender.response = FakeResponse(
chunk_body=(
':UPDATES: START\r\n'
'abc\r\n'
':UPDATES: END\r\n'))
exc = None
try:
self.sender.updates()
except exceptions.ReplicationException as err:
exc = err
self.assertEqual(str(exc), "Unexpected response: 'abc'")
self.assertEqual(
''.join(self.sender.connection.sent),
'11\r\n:UPDATES: START\r\n\r\n'
'f\r\n:UPDATES: END\r\n\r\n')
def test_updates_is_deleted(self):
device = 'dev'
part = '9'
object_parts = ('a', 'c', 'o')
df = self._make_open_diskfile(device, part, *object_parts)
object_hash = utils.hash_path(*object_parts)
delete_timestamp = utils.normalize_timestamp(time.time())
df.delete(delete_timestamp)
self.sender.connection = FakeConnection()
self.sender.job = {'device': device, 'partition': part}
self.sender.node = {}
self.sender.send_list = [object_hash]
self.sender.send_delete = mock.MagicMock()
self.sender.send_put = mock.MagicMock()
self.sender.response = FakeResponse(
chunk_body=(
':UPDATES: START\r\n'
':UPDATES: END\r\n'))
self.sender.updates()
self.sender.send_delete.assert_called_once_with(
'/a/c/o', delete_timestamp)
self.assertEqual(self.sender.send_put.mock_calls, [])
# note that the delete line isn't actually sent since we mock
# send_delete; send_delete is tested separately.
self.assertEqual(
''.join(self.sender.connection.sent),
'11\r\n:UPDATES: START\r\n\r\n'
'f\r\n:UPDATES: END\r\n\r\n')
def test_updates_put(self):
device = 'dev'
part = '9'
object_parts = ('a', 'c', 'o')
df = self._make_open_diskfile(device, part, *object_parts)
object_hash = utils.hash_path(*object_parts)
expected = df.get_metadata()
self.sender.connection = FakeConnection()
self.sender.job = {'device': device, 'partition': part}
self.sender.node = {}
self.sender.send_list = [object_hash]
self.sender.send_delete = mock.MagicMock()
self.sender.send_put = mock.MagicMock()
self.sender.response = FakeResponse(
chunk_body=(
':UPDATES: START\r\n'
':UPDATES: END\r\n'))
self.sender.updates()
self.assertEqual(self.sender.send_delete.mock_calls, [])
self.assertEqual(1, len(self.sender.send_put.mock_calls))
args, _kwargs = self.sender.send_put.call_args
path, df = args
self.assertEqual(path, '/a/c/o')
self.assert_(isinstance(df, diskfile.DiskFile))
self.assertEqual(expected, df.get_metadata())
# note that the put line isn't actually sent since we mock send_put;
# send_put is tested separately.
self.assertEqual(
''.join(self.sender.connection.sent),
'11\r\n:UPDATES: START\r\n\r\n'
'f\r\n:UPDATES: END\r\n\r\n')
@patch_policies
def test_updates_storage_policy_index(self):
device = 'dev'
part = '9'
object_parts = ('a', 'c', 'o')
df = self._make_open_diskfile(device, part, *object_parts,
policy_idx=1)
object_hash = utils.hash_path(*object_parts)
expected = df.get_metadata()
self.sender.connection = FakeConnection()
self.sender.job = {'device': device, 'partition': part,
'policy_idx': 1}
self.sender.node = {}
self.sender.send_list = [object_hash]
self.sender.send_delete = mock.MagicMock()
self.sender.send_put = mock.MagicMock()
self.sender.response = FakeResponse(
chunk_body=(
':UPDATES: START\r\n'
':UPDATES: END\r\n'))
self.sender.updates()
args, _kwargs = self.sender.send_put.call_args
path, df = args
self.assertEqual(path, '/a/c/o')
self.assert_(isinstance(df, diskfile.DiskFile))
self.assertEqual(expected, df.get_metadata())
self.assertEqual(os.path.join(self.testdir, 'dev/objects-1/9/',
object_hash[-3:], object_hash),
df._datadir)
def test_updates_read_response_timeout_start(self):
self.sender.connection = FakeConnection()
self.sender.send_list = []
self.sender.response = FakeResponse(
chunk_body=(
':UPDATES: START\r\n'
':UPDATES: END\r\n'))
orig_readline = self.sender.readline
def delayed_readline():
eventlet.sleep(1)
return orig_readline()
self.sender.readline = delayed_readline
self.sender.daemon.http_timeout = 0.01
self.assertRaises(exceptions.MessageTimeout, self.sender.updates)
def test_updates_read_response_disconnect_start(self):
self.sender.connection = FakeConnection()
self.sender.send_list = []
self.sender.response = FakeResponse(chunk_body='\r\n')
exc = None
try:
self.sender.updates()
except exceptions.ReplicationException as err:
exc = err
self.assertEqual(str(exc), 'Early disconnect')
self.assertEqual(
''.join(self.sender.connection.sent),
'11\r\n:UPDATES: START\r\n\r\n'
'f\r\n:UPDATES: END\r\n\r\n')
def test_updates_read_response_unexp_start(self):
self.sender.connection = FakeConnection()
self.sender.send_list = []
self.sender.response = FakeResponse(
chunk_body=(
'anything else\r\n'
':UPDATES: START\r\n'
':UPDATES: END\r\n'))
exc = None
try:
self.sender.updates()
except exceptions.ReplicationException as err:
exc = err
self.assertEqual(str(exc), "Unexpected response: 'anything else'")
self.assertEqual(
''.join(self.sender.connection.sent),
'11\r\n:UPDATES: START\r\n\r\n'
'f\r\n:UPDATES: END\r\n\r\n')
def test_updates_read_response_timeout_end(self):
self.sender.connection = FakeConnection()
self.sender.send_list = []
self.sender.response = FakeResponse(
chunk_body=(
':UPDATES: START\r\n'
':UPDATES: END\r\n'))
orig_readline = self.sender.readline
def delayed_readline():
rv = orig_readline()
if rv == ':UPDATES: END\r\n':
eventlet.sleep(1)
return rv
self.sender.readline = delayed_readline
self.sender.daemon.http_timeout = 0.01
self.assertRaises(exceptions.MessageTimeout, self.sender.updates)
def test_updates_read_response_disconnect_end(self):
self.sender.connection = FakeConnection()
self.sender.send_list = []
self.sender.response = FakeResponse(
chunk_body=(
':UPDATES: START\r\n'
'\r\n'))
exc = None
try:
self.sender.updates()
except exceptions.ReplicationException as err:
exc = err
self.assertEqual(str(exc), 'Early disconnect')
self.assertEqual(
''.join(self.sender.connection.sent),
'11\r\n:UPDATES: START\r\n\r\n'
'f\r\n:UPDATES: END\r\n\r\n')
def test_updates_read_response_unexp_end(self):
self.sender.connection = FakeConnection()
self.sender.send_list = []
self.sender.response = FakeResponse(
chunk_body=(
':UPDATES: START\r\n'
'anything else\r\n'
':UPDATES: END\r\n'))
exc = None
try:
self.sender.updates()
except exceptions.ReplicationException as err:
exc = err
self.assertEqual(str(exc), "Unexpected response: 'anything else'")
self.assertEqual(
''.join(self.sender.connection.sent),
'11\r\n:UPDATES: START\r\n\r\n'
'f\r\n:UPDATES: END\r\n\r\n')
def test_send_delete_timeout(self):
self.sender.connection = FakeConnection()
self.sender.connection.send = lambda d: eventlet.sleep(1)
self.sender.daemon.node_timeout = 0.01
exc = None
try:
self.sender.send_delete('/a/c/o', '1381679759.90941')
except exceptions.MessageTimeout as err:
exc = err
self.assertEqual(str(exc), '0.01 seconds: send_delete')
def test_send_delete(self):
self.sender.connection = FakeConnection()
self.sender.send_delete('/a/c/o', '1381679759.90941')
self.assertEqual(
''.join(self.sender.connection.sent),
'30\r\n'
'DELETE /a/c/o\r\n'
'X-Timestamp: 1381679759.90941\r\n'
'\r\n\r\n')
def test_send_put_initial_timeout(self):
df = self._make_open_diskfile()
df._disk_chunk_size = 2
self.sender.connection = FakeConnection()
self.sender.connection.send = lambda d: eventlet.sleep(1)
self.sender.daemon.node_timeout = 0.01
exc = None
try:
self.sender.send_put('/a/c/o', df)
except exceptions.MessageTimeout as err:
exc = err
self.assertEqual(str(exc), '0.01 seconds: send_put')
def test_send_put_chunk_timeout(self):
df = self._make_open_diskfile()
self.sender.connection = FakeConnection()
self.sender.daemon.node_timeout = 0.01
one_shot = [None]
def mock_send(data):
try:
one_shot.pop()
except IndexError:
eventlet.sleep(1)
self.sender.connection.send = mock_send
exc = None
try:
self.sender.send_put('/a/c/o', df)
except exceptions.MessageTimeout as err:
exc = err
self.assertEqual(str(exc), '0.01 seconds: send_put chunk')
def test_send_put(self):
body = 'test'
extra_metadata = {'Some-Other-Header': 'value'}
df = self._make_open_diskfile(body=body,
extra_metadata=extra_metadata)
expected = dict(df.get_metadata())
expected['body'] = body
expected['chunk_size'] = len(body)
self.sender.connection = FakeConnection()
self.sender.send_put('/a/c/o', df)
self.assertEqual(
''.join(self.sender.connection.sent),
'82\r\n'
'PUT /a/c/o\r\n'
'Content-Length: %(Content-Length)s\r\n'
'ETag: %(ETag)s\r\n'
'Some-Other-Header: value\r\n'
'X-Timestamp: %(X-Timestamp)s\r\n'
'\r\n'
'\r\n'
'%(chunk_size)s\r\n'
'%(body)s\r\n' % expected)
def test_disconnect_timeout(self):
self.sender.connection = FakeConnection()
self.sender.connection.send = lambda d: eventlet.sleep(1)
self.sender.daemon.node_timeout = 0.01
self.sender.disconnect()
self.assertEqual(''.join(self.sender.connection.sent), '')
self.assertTrue(self.sender.connection.closed)
def test_disconnect(self):
self.sender.connection = FakeConnection()
self.sender.disconnect()
self.assertEqual(''.join(self.sender.connection.sent), '0\r\n\r\n')
self.assertTrue(self.sender.connection.closed)
if __name__ == '__main__':
unittest.main()