def test_advanced_bad_state(self):
"""Test with a non-States state value
"""
ds = Dataset(owner="test", controller="me", name="too")
ds.add()
with pytest.raises(DatasetBadParameterType):
ds.advance("notStates")
def test_advanced_illegal(self):
""" Test that we can't advance to a state that's not a
successor to the initial state.
"""
ds = Dataset(owner="drb", controller="sam", name="fio")
ds.add()
with pytest.raises(DatasetBadStateTransition):
ds.advance(States.EXPIRED)
def test_advanced_good(self):
""" Test advancing the state of a dataset
"""
ds = Dataset(owner="drb", controller="frodo", name="precious")
ds.add()
ds.advance(States.UPLOADED)
assert ds.state == States.UPLOADED
assert ds.created <= ds.transition
def test_advanced_terminal(self):
""" Test that we can't advance from a terminal state
"""
ds = Dataset(owner="drb",
controller="gimli",
name="fio",
state=States.EXPIRED)
ds.add()
with pytest.raises(DatasetTerminalStateViolation):
ds.advance(States.UPLOADING)
def test_lifecycle(self):
""" Advance a dataset through the entire lifecycle using the state
transition dict.
"""
ds = Dataset(owner="dave", controller="bilbo", name="Fred")
ds.add()
assert ds.state == States.UPLOADING
beenthere = [ds.state]
while ds.state in Dataset.transitions:
advances = Dataset.transitions[ds.state]
for n in advances:
if n not in beenthere:
next = n
break
else:
break # avoid infinite reindex loop!
beenthere.append(next)
ds.advance(next)
assert ds.state == next
lifecycle = ",".join([s.name for s in beenthere])
assert (
lifecycle ==
"UPLOADING,UPLOADED,UNPACKING,UNPACKED,INDEXING,INDEXED,EXPIRING,EXPIRED"
)
def put(self, controller):
# FIXME: This should be assigned from the decoded authorization token
username = "******"
if not request.headers.get("filename"):
self.logger.debug(
"Tarfile upload: Post operation failed due to missing filename header"
)
abort(
400,
message=
"Missing filename header, POST operation requires a filename header to name the uploaded file",
)
filename = secure_filename(request.headers.get("filename"))
if not request.headers.get("Content-MD5"):
self.logger.debug(
f"Tarfile upload: Post operation failed due to missing md5sum header for file {filename}"
)
abort(
400,
message=
"Missing md5sum header, POST operation requires md5sum of an uploaded file in header",
)
md5sum = request.headers.get("Content-MD5")
self.logger.debug("Receiving file: {}", filename)
if not self.allowed_file(filename):
self.logger.debug(
f"Tarfile upload: Bad file extension received for file {filename}"
)
abort(400, message="File extension not supported. Only .xz")
try:
content_length = int(request.headers.get("Content-Length"))
except ValueError:
self.logger.debug(
f"Tarfile upload: Invalid content-length header, not an integer for file {filename}"
)
abort(400, message="Invalid content-length header, not an integer")
except Exception:
self.logger.debug(
f"Tarfile upload: No Content-Length header value found for file {filename}"
)
abort(400, message="Missing required content-length header")
else:
if content_length > self.max_content_length:
self.logger.debug(
f"Tarfile upload: Content-Length exceeded maximum upload size allowed. File: {filename}"
)
abort(
400,
message=
f"Payload body too large, {content_length:d} bytes, maximum size should be less than "
f"or equal to {humanize.naturalsize(self.max_content_length)}",
)
elif content_length == 0:
self.logger.debug(
f"Tarfile upload: Content-Length header value is 0 for file {filename}"
)
abort(
400,
message=
"Upload failed, Content-Length received in header is 0",
)
path = self.upload_directory / controller
path.mkdir(exist_ok=True)
tar_full_path = Path(path, filename)
md5_full_path = Path(path, f"{filename}.md5")
bytes_received = 0
# TODO: Need real user from PUT!
# Create a tracking dataset object; it'll begin in UPLOADING state
try:
dataset = Dataset(owner=username,
controller=controller,
path=tar_full_path,
md5=md5sum)
dataset.add()
except Exception:
self.logger.exception("unable to create dataset for {}", filename)
abort(
HTTPStatus.INTERNAL_SERVER_ERROR,
message="INTERNAL ERROR",
)
self.logger.info("Uploading file {} to {}", filename, dataset)
with tempfile.NamedTemporaryFile(mode="wb", dir=path) as ofp:
chunk_size = 4096
self.logger.debug("Writing chunks")
hash_md5 = hashlib.md5()
try:
while True:
chunk = request.stream.read(chunk_size)
bytes_received += len(chunk)
if len(chunk) == 0 or bytes_received > content_length:
break
ofp.write(chunk)
hash_md5.update(chunk)
except Exception:
self.logger.exception(
"Tarfile upload: There was something wrong uploading {}",
filename)
abort(
500,
message=f"There was something wrong uploading {filename}")
if bytes_received != content_length:
self.logger.debug(
f"Tarfile upload: Bytes received does not match with content length header value for file {filename}"
)
message = (
f"Bytes received ({bytes_received}) does not match with content length header"
f" ({content_length}), upload failed")
abort(400, message=message)
elif hash_md5.hexdigest() != md5sum:
self.logger.debug(
f"Tarfile upload: md5sum check failed for file {filename}")
message = f"md5sum check failed for {filename}, upload failed"
abort(400, message=message)
# First write the .md5
try:
with md5_full_path.open("w") as md5fp:
md5fp.write(f"{md5sum} {filename}\n")
except Exception:
try:
os.remove(md5_full_path)
except FileNotFoundError:
pass
except Exception as exc:
self.logger.warning(
"Failed to remove .md5 %s when trying to clean up: %s",
md5_full_path,
exc,
)
self.logger.exception("Failed to write .md5 file, '%s'",
md5_full_path)
raise
# Then create the final filename link to the temporary file.
try:
os.link(ofp.name, tar_full_path)
except Exception:
try:
os.remove(md5_full_path)
except Exception as exc:
self.logger.warning(
"Failed to remove .md5 %s when trying to clean up: %s",
md5_full_path,
exc,
)
self.logger.exception(
"Failed to rename tar ball '%s' to '%s'",
ofp.name,
md5_full_path,
)
raise
try:
dataset.advance(States.UPLOADED)
except Exception:
self.logger.exception("Unable to finalize {}", dataset)
abort(HTTPStatus.INTERNAL_SERVER_ERROR, message="INTERNAL ERROR")
response = jsonify(dict(message="File successfully uploaded"))
response.status_code = 201
return response