def test_get_filename_from_fd_err(self):
result = fs.get_filename_from_fd("blah")
self.assertEqual(result,None)
result = fs.get_filename_from_fd(-1000)
self.assertEqual(result,None)
result = fs.get_filename_from_fd("blah", True)
self.assertEqual(result,None)
def test_get_filename_from_fd(self):
tmpdir = mkdtemp()
try:
fd, tmpfile = mkstemp(dir=tmpdir)
result = fs.get_filename_from_fd(fd)
self.assertEqual(tmpfile, result)
result = fs.get_filename_from_fd(fd, True)
self.assertEqual(tmpfile, result)
finally:
shutil.rmtree(tmpdir)
def write_metadata(path_or_fd, metadata):
"""
Helper function to write pickled metadata for a File/Directory.
:param path_or_fd: File/Directory path or fd to write the metadata
:param metadata: dictionary of metadata write
"""
assert isinstance(metadata, dict)
metastr = pickle.dumps(metadata, PICKLE_PROTOCOL)
key = 0
while metastr:
try:
do_setxattr(path_or_fd,
'%s%s' % (METADATA_KEY, key or ''),
metastr[:MAX_XATTR_SIZE])
except IOError as err:
if err.errno in (errno.ENOSPC, errno.EDQUOT):
if isinstance(path_or_fd, int):
filename = get_filename_from_fd(path_or_fd)
do_log_rl("write_metadata(%d, metadata) failed: %s : %s",
path_or_fd, err, filename)
else:
do_log_rl("write_metadata(%s, metadata) failed: %s",
path_or_fd, err)
raise DiskFileNoSpace()
else:
raise GlusterFileSystemIOError(
err.errno,
'setxattr("%s", %s, metastr)' % (path_or_fd, key))
metastr = metastr[MAX_XATTR_SIZE:]
key += 1
def write_metadata(path_or_fd, metadata):
"""
Helper function to write pickled metadata for a File/Directory.
:param path_or_fd: File/Directory path or fd to write the metadata
:param metadata: dictionary of metadata write
"""
assert isinstance(metadata, dict)
metastr = pickle.dumps(metadata, PICKLE_PROTOCOL)
key = 0
while metastr:
try:
do_setxattr(path_or_fd, '%s%s' % (METADATA_KEY, key or ''),
metastr[:MAX_XATTR_SIZE])
except IOError as err:
if err.errno in (errno.ENOSPC, errno.EDQUOT):
if isinstance(path_or_fd, int):
filename = get_filename_from_fd(path_or_fd)
do_log_rl("write_metadata(%d, metadata) failed: %s : %s",
path_or_fd, err, filename)
else:
do_log_rl("write_metadata(%s, metadata) failed: %s",
path_or_fd, err)
raise DiskFileNoSpace()
else:
raise GlusterFileSystemIOError(
err.errno,
'setxattr("%s", %s, metastr)' % (path_or_fd, key))
metastr = metastr[MAX_XATTR_SIZE:]
key += 1
