572 lines
16 KiB
Python
572 lines
16 KiB
Python
# 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.
|
|
|
|
""" Swift tests """
|
|
|
|
import os
|
|
import copy
|
|
import logging
|
|
import errno
|
|
import sys
|
|
from contextlib import contextmanager
|
|
from collections import defaultdict
|
|
from tempfile import NamedTemporaryFile
|
|
import time
|
|
from eventlet.green import socket
|
|
from tempfile import mkdtemp
|
|
from shutil import rmtree
|
|
from test import get_config
|
|
from swift.common.utils import config_true_value, LogAdapter
|
|
from hashlib import md5
|
|
from eventlet import sleep, Timeout
|
|
import logging.handlers
|
|
from httplib import HTTPException
|
|
|
|
|
|
class FakeRing(object):
|
|
|
|
def __init__(self, replicas=3, max_more_nodes=0):
|
|
# 9 total nodes (6 more past the initial 3) is the cap, no matter if
|
|
# this is set higher, or R^2 for R replicas
|
|
self.replicas = replicas
|
|
self.max_more_nodes = max_more_nodes
|
|
self.devs = {}
|
|
|
|
def set_replicas(self, replicas):
|
|
self.replicas = replicas
|
|
self.devs = {}
|
|
|
|
@property
|
|
def replica_count(self):
|
|
return self.replicas
|
|
|
|
def get_part(self, account, container=None, obj=None):
|
|
return 1
|
|
|
|
def get_nodes(self, account, container=None, obj=None):
|
|
devs = []
|
|
for x in xrange(self.replicas):
|
|
devs.append(self.devs.get(x))
|
|
if devs[x] is None:
|
|
self.devs[x] = devs[x] = \
|
|
{'ip': '10.0.0.%s' % x,
|
|
'port': 1000 + x,
|
|
'device': 'sd' + (chr(ord('a') + x)),
|
|
'zone': x % 3,
|
|
'region': x % 2,
|
|
'id': x}
|
|
return 1, devs
|
|
|
|
def get_part_nodes(self, part):
|
|
return self.get_nodes('blah')[1]
|
|
|
|
def get_more_nodes(self, part):
|
|
# replicas^2 is the true cap
|
|
for x in xrange(self.replicas, min(self.replicas + self.max_more_nodes,
|
|
self.replicas * self.replicas)):
|
|
yield {'ip': '10.0.0.%s' % x,
|
|
'port': 1000 + x,
|
|
'device': 'sda',
|
|
'zone': x % 3,
|
|
'region': x % 2,
|
|
'id': x}
|
|
|
|
|
|
class FakeMemcache(object):
|
|
|
|
def __init__(self):
|
|
self.store = {}
|
|
|
|
def get(self, key):
|
|
return self.store.get(key)
|
|
|
|
def keys(self):
|
|
return self.store.keys()
|
|
|
|
def set(self, key, value, time=0):
|
|
self.store[key] = value
|
|
return True
|
|
|
|
def incr(self, key, time=0):
|
|
self.store[key] = self.store.setdefault(key, 0) + 1
|
|
return self.store[key]
|
|
|
|
@contextmanager
|
|
def soft_lock(self, key, timeout=0, retries=5):
|
|
yield True
|
|
|
|
def delete(self, key):
|
|
try:
|
|
del self.store[key]
|
|
except Exception:
|
|
pass
|
|
return True
|
|
|
|
|
|
def readuntil2crlfs(fd):
|
|
rv = ''
|
|
lc = ''
|
|
crlfs = 0
|
|
while crlfs < 2:
|
|
c = fd.read(1)
|
|
if not c:
|
|
raise ValueError("didn't get two CRLFs; just got %r" % rv)
|
|
rv = rv + c
|
|
if c == '\r' and lc != '\n':
|
|
crlfs = 0
|
|
if lc == '\r' and c == '\n':
|
|
crlfs += 1
|
|
lc = c
|
|
return rv
|
|
|
|
|
|
def connect_tcp(hostport):
|
|
rv = socket.socket()
|
|
rv.connect(hostport)
|
|
return rv
|
|
|
|
|
|
@contextmanager
|
|
def tmpfile(content):
|
|
with NamedTemporaryFile('w', delete=False) as f:
|
|
file_name = f.name
|
|
f.write(str(content))
|
|
try:
|
|
yield file_name
|
|
finally:
|
|
os.unlink(file_name)
|
|
|
|
xattr_data = {}
|
|
|
|
|
|
def _get_inode(fd):
|
|
if not isinstance(fd, int):
|
|
try:
|
|
fd = fd.fileno()
|
|
except AttributeError:
|
|
return os.stat(fd).st_ino
|
|
return os.fstat(fd).st_ino
|
|
|
|
|
|
def _setxattr(fd, k, v):
|
|
inode = _get_inode(fd)
|
|
data = xattr_data.get(inode, {})
|
|
data[k] = v
|
|
xattr_data[inode] = data
|
|
|
|
|
|
def _getxattr(fd, k):
|
|
inode = _get_inode(fd)
|
|
data = xattr_data.get(inode, {}).get(k)
|
|
if not data:
|
|
raise IOError(errno.ENODATA, "Fake IOError")
|
|
return data
|
|
|
|
import xattr
|
|
xattr.setxattr = _setxattr
|
|
xattr.getxattr = _getxattr
|
|
|
|
|
|
@contextmanager
|
|
def temptree(files, contents=''):
|
|
# generate enough contents to fill the files
|
|
c = len(files)
|
|
contents = (list(contents) + [''] * c)[:c]
|
|
tempdir = mkdtemp()
|
|
for path, content in zip(files, contents):
|
|
if os.path.isabs(path):
|
|
path = '.' + path
|
|
new_path = os.path.join(tempdir, path)
|
|
subdir = os.path.dirname(new_path)
|
|
if not os.path.exists(subdir):
|
|
os.makedirs(subdir)
|
|
with open(new_path, 'w') as f:
|
|
f.write(str(content))
|
|
try:
|
|
yield tempdir
|
|
finally:
|
|
rmtree(tempdir)
|
|
|
|
|
|
class NullLoggingHandler(logging.Handler):
|
|
|
|
def emit(self, record):
|
|
pass
|
|
|
|
|
|
class UnmockTimeModule(object):
|
|
"""
|
|
Even if a test mocks time.time - you can restore unmolested behavior in a
|
|
another module who imports time directly by monkey patching it's imported
|
|
reference to the module with an instance of this class
|
|
"""
|
|
|
|
_orig_time = time.time
|
|
|
|
def __getattribute__(self, name):
|
|
if name == 'time':
|
|
return UnmockTimeModule._orig_time
|
|
return getattr(time, name)
|
|
|
|
|
|
# logging.LogRecord.__init__ calls time.time
|
|
logging.time = UnmockTimeModule()
|
|
|
|
|
|
class FakeLogger(logging.Logger):
|
|
# a thread safe logger
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
self._clear()
|
|
self.name = 'swift.unit.fake_logger'
|
|
self.level = logging.NOTSET
|
|
if 'facility' in kwargs:
|
|
self.facility = kwargs['facility']
|
|
self.statsd_client = None
|
|
|
|
def _clear(self):
|
|
self.log_dict = defaultdict(list)
|
|
self.lines_dict = defaultdict(list)
|
|
|
|
def _store_in(store_name):
|
|
def stub_fn(self, *args, **kwargs):
|
|
self.log_dict[store_name].append((args, kwargs))
|
|
return stub_fn
|
|
|
|
def _store_and_log_in(store_name):
|
|
def stub_fn(self, *args, **kwargs):
|
|
self.log_dict[store_name].append((args, kwargs))
|
|
self._log(store_name, args[0], args[1:], **kwargs)
|
|
return stub_fn
|
|
|
|
def get_lines_for_level(self, level):
|
|
return self.lines_dict[level]
|
|
|
|
error = _store_and_log_in('error')
|
|
info = _store_and_log_in('info')
|
|
warning = _store_and_log_in('warning')
|
|
warn = _store_and_log_in('warning')
|
|
debug = _store_and_log_in('debug')
|
|
|
|
def exception(self, *args, **kwargs):
|
|
self.log_dict['exception'].append((args, kwargs,
|
|
str(sys.exc_info()[1])))
|
|
print 'FakeLogger Exception: %s' % self.log_dict
|
|
|
|
# mock out the StatsD logging methods:
|
|
increment = _store_in('increment')
|
|
decrement = _store_in('decrement')
|
|
timing = _store_in('timing')
|
|
timing_since = _store_in('timing_since')
|
|
update_stats = _store_in('update_stats')
|
|
set_statsd_prefix = _store_in('set_statsd_prefix')
|
|
|
|
def get_increments(self):
|
|
return [call[0][0] for call in self.log_dict['increment']]
|
|
|
|
def get_increment_counts(self):
|
|
counts = {}
|
|
for metric in self.get_increments():
|
|
if metric not in counts:
|
|
counts[metric] = 0
|
|
counts[metric] += 1
|
|
return counts
|
|
|
|
def setFormatter(self, obj):
|
|
self.formatter = obj
|
|
|
|
def close(self):
|
|
self._clear()
|
|
|
|
def set_name(self, name):
|
|
# don't touch _handlers
|
|
self._name = name
|
|
|
|
def acquire(self):
|
|
pass
|
|
|
|
def release(self):
|
|
pass
|
|
|
|
def createLock(self):
|
|
pass
|
|
|
|
def emit(self, record):
|
|
pass
|
|
|
|
def _handle(self, record):
|
|
try:
|
|
line = record.getMessage()
|
|
except TypeError:
|
|
print 'WARNING: unable to format log message %r %% %r' % (
|
|
record.msg, record.args)
|
|
raise
|
|
self.lines_dict[record.levelno].append(line)
|
|
|
|
def handle(self, record):
|
|
self._handle(record)
|
|
|
|
def flush(self):
|
|
pass
|
|
|
|
def handleError(self, record):
|
|
pass
|
|
|
|
|
|
class DebugLogger(FakeLogger):
|
|
"""A simple stdout logging version of FakeLogger"""
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
FakeLogger.__init__(self, *args, **kwargs)
|
|
self.formatter = logging.Formatter("%(server)s: %(message)s")
|
|
|
|
def handle(self, record):
|
|
self._handle(record)
|
|
print self.formatter.format(record)
|
|
|
|
|
|
def debug_logger(name='test'):
|
|
"""get a named adapted debug logger"""
|
|
return LogAdapter(DebugLogger(), name)
|
|
|
|
|
|
original_syslog_handler = logging.handlers.SysLogHandler
|
|
|
|
|
|
def fake_syslog_handler():
|
|
for attr in dir(original_syslog_handler):
|
|
if attr.startswith('LOG'):
|
|
setattr(FakeLogger, attr,
|
|
copy.copy(getattr(logging.handlers.SysLogHandler, attr)))
|
|
FakeLogger.priority_map = \
|
|
copy.deepcopy(logging.handlers.SysLogHandler.priority_map)
|
|
|
|
logging.handlers.SysLogHandler = FakeLogger
|
|
|
|
|
|
if config_true_value(get_config('unit_test').get('fake_syslog', 'False')):
|
|
fake_syslog_handler()
|
|
|
|
|
|
class MockTrue(object):
|
|
"""
|
|
Instances of MockTrue evaluate like True
|
|
Any attr accessed on an instance of MockTrue will return a MockTrue
|
|
instance. Any method called on an instance of MockTrue will return
|
|
a MockTrue instance.
|
|
|
|
>>> thing = MockTrue()
|
|
>>> thing
|
|
True
|
|
>>> thing == True # True == True
|
|
True
|
|
>>> thing == False # True == False
|
|
False
|
|
>>> thing != True # True != True
|
|
False
|
|
>>> thing != False # True != False
|
|
True
|
|
>>> thing.attribute
|
|
True
|
|
>>> thing.method()
|
|
True
|
|
>>> thing.attribute.method()
|
|
True
|
|
>>> thing.method().attribute
|
|
True
|
|
|
|
"""
|
|
|
|
def __getattribute__(self, *args, **kwargs):
|
|
return self
|
|
|
|
def __call__(self, *args, **kwargs):
|
|
return self
|
|
|
|
def __repr__(*args, **kwargs):
|
|
return repr(True)
|
|
|
|
def __eq__(self, other):
|
|
return other is True
|
|
|
|
def __ne__(self, other):
|
|
return other is not True
|
|
|
|
|
|
@contextmanager
|
|
def mock(update):
|
|
returns = []
|
|
deletes = []
|
|
for key, value in update.items():
|
|
imports = key.split('.')
|
|
attr = imports.pop(-1)
|
|
module = __import__(imports[0], fromlist=imports[1:])
|
|
for modname in imports[1:]:
|
|
module = getattr(module, modname)
|
|
if hasattr(module, attr):
|
|
returns.append((module, attr, getattr(module, attr)))
|
|
else:
|
|
deletes.append((module, attr))
|
|
setattr(module, attr, value)
|
|
try:
|
|
yield True
|
|
finally:
|
|
for module, attr, value in returns:
|
|
setattr(module, attr, value)
|
|
for module, attr in deletes:
|
|
delattr(module, attr)
|
|
|
|
|
|
def fake_http_connect(*code_iter, **kwargs):
|
|
|
|
class FakeConn(object):
|
|
|
|
def __init__(self, status, etag=None, body='', timestamp='1',
|
|
expect_status=None, headers=None):
|
|
self.status = status
|
|
if expect_status is None:
|
|
self.expect_status = self.status
|
|
else:
|
|
self.expect_status = expect_status
|
|
self.reason = 'Fake'
|
|
self.host = '1.2.3.4'
|
|
self.port = '1234'
|
|
self.sent = 0
|
|
self.received = 0
|
|
self.etag = etag
|
|
self.body = body
|
|
self.headers = headers or {}
|
|
self.timestamp = timestamp
|
|
if kwargs.get('slow') and isinstance(kwargs['slow'], list):
|
|
kwargs['slow'][0] -= 1
|
|
|
|
def getresponse(self):
|
|
if kwargs.get('raise_exc'):
|
|
raise Exception('test')
|
|
if kwargs.get('raise_timeout_exc'):
|
|
raise Timeout()
|
|
return self
|
|
|
|
def getexpect(self):
|
|
if self.expect_status == -2:
|
|
raise HTTPException()
|
|
if self.expect_status == -3:
|
|
return FakeConn(507)
|
|
if self.expect_status == -4:
|
|
return FakeConn(201)
|
|
return FakeConn(100)
|
|
|
|
def getheaders(self):
|
|
etag = self.etag
|
|
if not etag:
|
|
if isinstance(self.body, str):
|
|
etag = '"' + md5(self.body).hexdigest() + '"'
|
|
else:
|
|
etag = '"68b329da9893e34099c7d8ad5cb9c940"'
|
|
|
|
headers = {'content-length': len(self.body),
|
|
'content-type': 'x-application/test',
|
|
'x-timestamp': self.timestamp,
|
|
'last-modified': self.timestamp,
|
|
'x-object-meta-test': 'testing',
|
|
'x-delete-at': '9876543210',
|
|
'etag': etag,
|
|
'x-works': 'yes'}
|
|
if self.status // 100 == 2:
|
|
headers['x-account-container-count'] = \
|
|
kwargs.get('count', 12345)
|
|
if not self.timestamp:
|
|
del headers['x-timestamp']
|
|
try:
|
|
if container_ts_iter.next() is False:
|
|
headers['x-container-timestamp'] = '1'
|
|
except StopIteration:
|
|
pass
|
|
if self.am_slow():
|
|
headers['content-length'] = '4'
|
|
headers.update(self.headers)
|
|
return headers.items()
|
|
|
|
def am_slow(self):
|
|
if kwargs.get('slow') and isinstance(kwargs['slow'], list):
|
|
return kwargs['slow'][0] >= 0
|
|
return bool(kwargs.get('slow'))
|
|
|
|
def read(self, amt=None):
|
|
if self.am_slow():
|
|
if self.sent < 4:
|
|
self.sent += 1
|
|
sleep(0.1)
|
|
return ' '
|
|
rv = self.body[:amt]
|
|
self.body = self.body[amt:]
|
|
return rv
|
|
|
|
def send(self, amt=None):
|
|
if self.am_slow():
|
|
if self.received < 4:
|
|
self.received += 1
|
|
sleep(0.1)
|
|
|
|
def getheader(self, name, default=None):
|
|
return dict(self.getheaders()).get(name.lower(), default)
|
|
|
|
timestamps_iter = iter(kwargs.get('timestamps') or ['1'] * len(code_iter))
|
|
etag_iter = iter(kwargs.get('etags') or [None] * len(code_iter))
|
|
if isinstance(kwargs.get('headers'), list):
|
|
headers_iter = iter(kwargs['headers'])
|
|
else:
|
|
headers_iter = iter([kwargs.get('headers', {})] * len(code_iter))
|
|
|
|
x = kwargs.get('missing_container', [False] * len(code_iter))
|
|
if not isinstance(x, (tuple, list)):
|
|
x = [x] * len(code_iter)
|
|
container_ts_iter = iter(x)
|
|
code_iter = iter(code_iter)
|
|
static_body = kwargs.get('body', None)
|
|
body_iter = kwargs.get('body_iter', None)
|
|
if body_iter:
|
|
body_iter = iter(body_iter)
|
|
|
|
def connect(*args, **ckwargs):
|
|
if kwargs.get('slow_connect', False):
|
|
sleep(0.1)
|
|
if 'give_content_type' in kwargs:
|
|
if len(args) >= 7 and 'Content-Type' in args[6]:
|
|
kwargs['give_content_type'](args[6]['Content-Type'])
|
|
else:
|
|
kwargs['give_content_type']('')
|
|
if 'give_connect' in kwargs:
|
|
kwargs['give_connect'](*args, **ckwargs)
|
|
status = code_iter.next()
|
|
if isinstance(status, tuple):
|
|
status, expect_status = status
|
|
else:
|
|
expect_status = status
|
|
etag = etag_iter.next()
|
|
headers = headers_iter.next()
|
|
timestamp = timestamps_iter.next()
|
|
|
|
if status <= 0:
|
|
raise HTTPException()
|
|
if body_iter is None:
|
|
body = static_body or ''
|
|
else:
|
|
body = body_iter.next()
|
|
return FakeConn(status, etag, body=body, timestamp=timestamp,
|
|
expect_status=expect_status, headers=headers)
|
|
|
|
return connect
|