8226761889
Currently clients can not distinguish between non existing accounts
(which can be created) and accounts marked for deletion, which has
not yet been reaped and therefore cannot be re-created until reaped.
Following this patch, if an account is marked as deleted but hasn't
been reaped and is still on disk, responses will include a status
header:
'X-Account-Status' = 'Deleted'
Fixes:Bug #1188609
Change-Id: Ibd39965ae3f5d45fd78f130e0e31f5a0141a8633
484 lines
13 KiB
Python
484 lines
13 KiB
Python
""" Swift tests """
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import os
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import copy
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import logging
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from sys import exc_info
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from contextlib import contextmanager
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from collections import defaultdict
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from tempfile import NamedTemporaryFile
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from eventlet.green import socket
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from tempfile import mkdtemp
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from shutil import rmtree
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from test import get_config
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from swift.common.utils import config_true_value
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from hashlib import md5
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from eventlet import sleep, Timeout
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import logging.handlers
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from httplib import HTTPException
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class FakeRing(object):
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def __init__(self, replicas=3, max_more_nodes=0):
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# 9 total nodes (6 more past the initial 3) is the cap, no matter if
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# this is set higher, or R^2 for R replicas
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self.replicas = replicas
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self.max_more_nodes = max_more_nodes
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self.devs = {}
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def set_replicas(self, replicas):
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self.replicas = replicas
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self.devs = {}
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@property
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def replica_count(self):
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return self.replicas
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def get_part(self, account, container=None, obj=None):
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return 1
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def get_nodes(self, account, container=None, obj=None):
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devs = []
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for x in xrange(self.replicas):
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devs.append(self.devs.get(x))
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if devs[x] is None:
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self.devs[x] = devs[x] = \
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{'ip': '10.0.0.%s' % x,
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'port': 1000 + x,
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'device': 'sd' + (chr(ord('a') + x)),
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'zone': x % 3,
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'region': x % 2,
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'id': x}
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return 1, devs
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def get_part_nodes(self, part):
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return self.get_nodes('blah')[1]
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def get_more_nodes(self, part):
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# replicas^2 is the true cap
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for x in xrange(self.replicas, min(self.replicas + self.max_more_nodes,
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self.replicas * self.replicas)):
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yield {'ip': '10.0.0.%s' % x,
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'port': 1000 + x,
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'device': 'sda',
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'zone': x % 3,
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'region': x % 2,
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'id': x}
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class FakeMemcache(object):
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def __init__(self):
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self.store = {}
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def get(self, key):
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return self.store.get(key)
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def keys(self):
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return self.store.keys()
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def set(self, key, value, time=0):
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self.store[key] = value
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return True
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def incr(self, key, time=0):
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self.store[key] = self.store.setdefault(key, 0) + 1
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return self.store[key]
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@contextmanager
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def soft_lock(self, key, timeout=0, retries=5):
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yield True
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def delete(self, key):
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try:
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del self.store[key]
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except Exception:
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pass
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return True
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def readuntil2crlfs(fd):
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rv = ''
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lc = ''
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crlfs = 0
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while crlfs < 2:
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c = fd.read(1)
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if not c:
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raise ValueError("didn't get two CRLFs; just got %r" % rv)
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rv = rv + c
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if c == '\r' and lc != '\n':
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crlfs = 0
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if lc == '\r' and c == '\n':
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crlfs += 1
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lc = c
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return rv
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def connect_tcp(hostport):
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rv = socket.socket()
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rv.connect(hostport)
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return rv
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@contextmanager
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def tmpfile(content):
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with NamedTemporaryFile('w', delete=False) as f:
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file_name = f.name
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f.write(str(content))
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try:
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yield file_name
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finally:
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os.unlink(file_name)
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xattr_data = {}
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def _get_inode(fd):
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if not isinstance(fd, int):
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try:
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fd = fd.fileno()
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except AttributeError:
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return os.stat(fd).st_ino
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return os.fstat(fd).st_ino
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def _setxattr(fd, k, v):
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inode = _get_inode(fd)
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data = xattr_data.get(inode, {})
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data[k] = v
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xattr_data[inode] = data
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def _getxattr(fd, k):
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inode = _get_inode(fd)
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data = xattr_data.get(inode, {}).get(k)
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if not data:
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raise IOError
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return data
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import xattr
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xattr.setxattr = _setxattr
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xattr.getxattr = _getxattr
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@contextmanager
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def temptree(files, contents=''):
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# generate enough contents to fill the files
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c = len(files)
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contents = (list(contents) + [''] * c)[:c]
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tempdir = mkdtemp()
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for path, content in zip(files, contents):
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if os.path.isabs(path):
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path = '.' + path
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new_path = os.path.join(tempdir, path)
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subdir = os.path.dirname(new_path)
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if not os.path.exists(subdir):
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os.makedirs(subdir)
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with open(new_path, 'w') as f:
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f.write(str(content))
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try:
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yield tempdir
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finally:
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rmtree(tempdir)
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class NullLoggingHandler(logging.Handler):
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def emit(self, record):
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pass
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class FakeLogger(object):
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# a thread safe logger
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def __init__(self, *args, **kwargs):
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self._clear()
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self.level = logging.NOTSET
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if 'facility' in kwargs:
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self.facility = kwargs['facility']
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def _clear(self):
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self.log_dict = defaultdict(list)
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def _store_in(store_name):
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def stub_fn(self, *args, **kwargs):
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self.log_dict[store_name].append((args, kwargs))
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return stub_fn
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error = _store_in('error')
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info = _store_in('info')
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warning = _store_in('warning')
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debug = _store_in('debug')
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def exception(self, *args, **kwargs):
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self.log_dict['exception'].append((args, kwargs, str(exc_info()[1])))
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print 'FakeLogger Exception: %s' % self.log_dict
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# mock out the StatsD logging methods:
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increment = _store_in('increment')
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decrement = _store_in('decrement')
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timing = _store_in('timing')
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timing_since = _store_in('timing_since')
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update_stats = _store_in('update_stats')
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set_statsd_prefix = _store_in('set_statsd_prefix')
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def get_increments(self):
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return [call[0][0] for call in self.log_dict['increment']]
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def get_increment_counts(self):
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counts = {}
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for metric in self.get_increments():
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if metric not in counts:
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counts[metric] = 0
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counts[metric] += 1
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return counts
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def setFormatter(self, obj):
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self.formatter = obj
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def close(self):
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self._clear()
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def set_name(self, name):
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# don't touch _handlers
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self._name = name
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def acquire(self):
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pass
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def release(self):
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pass
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def createLock(self):
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pass
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def emit(self, record):
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pass
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def handle(self, record):
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pass
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def flush(self):
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pass
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def handleError(self, record):
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pass
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original_syslog_handler = logging.handlers.SysLogHandler
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def fake_syslog_handler():
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for attr in dir(original_syslog_handler):
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if attr.startswith('LOG'):
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setattr(FakeLogger, attr,
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copy.copy(getattr(logging.handlers.SysLogHandler, attr)))
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FakeLogger.priority_map = \
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copy.deepcopy(logging.handlers.SysLogHandler.priority_map)
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logging.handlers.SysLogHandler = FakeLogger
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if config_true_value(get_config('unit_test').get('fake_syslog', 'False')):
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fake_syslog_handler()
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class MockTrue(object):
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"""
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Instances of MockTrue evaluate like True
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Any attr accessed on an instance of MockTrue will return a MockTrue
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instance. Any method called on an instance of MockTrue will return
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a MockTrue instance.
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>>> thing = MockTrue()
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>>> thing
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True
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>>> thing == True # True == True
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True
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>>> thing == False # True == False
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False
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>>> thing != True # True != True
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False
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>>> thing != False # True != False
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True
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>>> thing.attribute
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True
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>>> thing.method()
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True
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>>> thing.attribute.method()
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True
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>>> thing.method().attribute
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True
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"""
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def __getattribute__(self, *args, **kwargs):
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return self
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def __call__(self, *args, **kwargs):
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return self
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def __repr__(*args, **kwargs):
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return repr(True)
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def __eq__(self, other):
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return other is True
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def __ne__(self, other):
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return other is not True
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@contextmanager
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def mock(update):
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returns = []
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deletes = []
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for key, value in update.items():
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imports = key.split('.')
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attr = imports.pop(-1)
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module = __import__(imports[0], fromlist=imports[1:])
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for modname in imports[1:]:
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module = getattr(module, modname)
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if hasattr(module, attr):
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returns.append((module, attr, getattr(module, attr)))
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else:
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deletes.append((module, attr))
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setattr(module, attr, value)
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yield True
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for module, attr, value in returns:
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setattr(module, attr, value)
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for module, attr in deletes:
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delattr(module, attr)
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def fake_http_connect(*code_iter, **kwargs):
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class FakeConn(object):
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def __init__(self, status, etag=None, body='', timestamp='1',
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expect_status=None, headers=None):
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self.status = status
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if expect_status is None:
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self.expect_status = self.status
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else:
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self.expect_status = expect_status
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self.reason = 'Fake'
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self.host = '1.2.3.4'
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self.port = '1234'
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self.sent = 0
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self.received = 0
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self.etag = etag
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self.body = body
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self.headers = headers or {}
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self.timestamp = timestamp
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def getresponse(self):
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if kwargs.get('raise_exc'):
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raise Exception('test')
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if kwargs.get('raise_timeout_exc'):
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raise Timeout()
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return self
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def getexpect(self):
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if self.expect_status == -2:
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raise HTTPException()
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if self.expect_status == -3:
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return FakeConn(507)
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if self.expect_status == -4:
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return FakeConn(201)
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return FakeConn(100)
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def getheaders(self):
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etag = self.etag
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if not etag:
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if isinstance(self.body, str):
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etag = '"' + md5(self.body).hexdigest() + '"'
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else:
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etag = '"68b329da9893e34099c7d8ad5cb9c940"'
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headers = {'content-length': len(self.body),
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'content-type': 'x-application/test',
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'x-timestamp': self.timestamp,
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'last-modified': self.timestamp,
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'x-object-meta-test': 'testing',
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'x-delete-at': '9876543210',
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'etag': etag,
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'x-works': 'yes'}
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if self.status // 100 == 2:
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headers['x-account-container-count'] = \
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kwargs.get('count', 12345)
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if not self.timestamp:
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del headers['x-timestamp']
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try:
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if container_ts_iter.next() is False:
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headers['x-container-timestamp'] = '1'
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except StopIteration:
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pass
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if 'slow' in kwargs:
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headers['content-length'] = '4'
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headers.update(self.headers)
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return headers.items()
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def read(self, amt=None):
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if 'slow' in kwargs:
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if self.sent < 4:
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self.sent += 1
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sleep(0.1)
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return ' '
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rv = self.body[:amt]
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self.body = self.body[amt:]
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return rv
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def send(self, amt=None):
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if 'slow' in kwargs:
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if self.received < 4:
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self.received += 1
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sleep(0.1)
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def getheader(self, name, default=None):
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return dict(self.getheaders()).get(name.lower(), default)
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timestamps_iter = iter(kwargs.get('timestamps') or ['1'] * len(code_iter))
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etag_iter = iter(kwargs.get('etags') or [None] * len(code_iter))
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if isinstance(kwargs.get('headers'), list):
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headers_iter = iter(kwargs['headers'])
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else:
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headers_iter = iter([kwargs.get('headers', {})] * len(code_iter))
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x = kwargs.get('missing_container', [False] * len(code_iter))
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if not isinstance(x, (tuple, list)):
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x = [x] * len(code_iter)
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container_ts_iter = iter(x)
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code_iter = iter(code_iter)
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static_body = kwargs.get('body', None)
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body_iter = kwargs.get('body_iter', None)
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if body_iter:
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body_iter = iter(body_iter)
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def connect(*args, **ckwargs):
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if 'give_content_type' in kwargs:
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if len(args) >= 7 and 'Content-Type' in args[6]:
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kwargs['give_content_type'](args[6]['Content-Type'])
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else:
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kwargs['give_content_type']('')
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if 'give_connect' in kwargs:
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kwargs['give_connect'](*args, **ckwargs)
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status = code_iter.next()
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if isinstance(status, tuple):
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status, expect_status = status
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else:
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expect_status = status
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etag = etag_iter.next()
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headers = headers_iter.next()
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timestamp = timestamps_iter.next()
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if status <= 0:
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raise HTTPException()
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if body_iter is None:
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body = static_body or ''
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else:
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body = body_iter.next()
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return FakeConn(status, etag, body=body, timestamp=timestamp,
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expect_status=expect_status, headers=headers)
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return connect
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