def _read_metadata_footer(self, mime_documents_iter):
try:
with ChunkReadTimeout(self.client_timeout):
footer_hdrs, footer_iter = next(mime_documents_iter)
except ChunkReadError:
raise HTTPClientDisconnect()
except ChunkReadTimeout:
raise HTTPRequestTimeout()
except StopIteration:
raise HTTPBadRequest(body="couldn't find footer MIME doc")
timeout_reader = self._make_timeout_reader(footer_iter)
try:
footer_body = ''.join(iter(timeout_reader, ''))
except ChunkReadError:
raise HTTPClientDisconnect()
except ChunkReadTimeout:
raise HTTPRequestTimeout()
footer_md5 = footer_hdrs.get('Content-MD5')
if not footer_md5:
raise HTTPBadRequest(body="no Content-MD5 in footer")
if footer_md5 != md5(footer_body).hexdigest():
raise HTTPUnprocessableEntity(body="footer MD5 mismatch")
try:
return HeaderKeyDict(json.loads(footer_body))
except ValueError:
raise HTTPBadRequest("invalid JSON for footer doc")
def _read_put_commit_message(self, mime_documents_iter):
rcvd_commit = False
try:
with ChunkReadTimeout(self.client_timeout):
commit_hdrs, commit_iter = next(mime_documents_iter)
if commit_hdrs.get('X-Document', None) == "put commit":
rcvd_commit = True
drain(commit_iter, self.network_chunk_size, self.client_timeout)
except ChunkReadError:
raise HTTPClientDisconnect()
except ChunkReadTimeout:
raise HTTPRequestTimeout()
except StopIteration:
raise HTTPBadRequest(body="couldn't find PUT commit MIME doc")
return rcvd_commit
def _store_object(self, req, data_source, headers):
kwargs = {}
content_type = req.headers.get('content-type', 'octet/stream')
policy = None
container_info = self.container_info(self.account_name,
self.container_name, req)
if 'X-Oio-Storage-Policy' in req.headers:
policy = req.headers.get('X-Oio-Storage-Policy')
if not self.app.POLICIES.get_by_name(policy):
raise HTTPBadRequest(
"invalid policy '%s', must be in %s" %
(policy, self.app.POLICIES.by_name.keys()))
else:
try:
policy_index = int(
req.headers.get('X-Backend-Storage-Policy-Index',
container_info['storage_policy']))
except TypeError:
policy_index = 0
if policy_index != 0:
policy = self.app.POLICIES.get_by_index(policy_index).name
else:
content_length = int(req.headers.get('content-length', 0))
policy = self._get_auto_policy_from_size(content_length)
ct_props = {'properties': {}, 'system': {}}
metadata = self.load_object_metadata(headers)
oio_headers = {REQID_HEADER: self.trans_id}
oio_cache = req.environ.get('oio.cache')
perfdata = req.environ.get('swift.perfdata')
# only send headers if needed
if SUPPORT_VERSIONING and headers.get(FORCEVERSIONING_HEADER):
oio_headers[FORCEVERSIONING_HEADER] = \
headers.get(FORCEVERSIONING_HEADER)
if req.environ.get('oio.force-version'):
# In a case of MPU, it contains version of the UploadId
# to be able to include version-id of MPU in S3 reponse
kwargs['version'] = req.environ.get('oio.force-version')
# In case a shard is being created, save the name of the S3 bucket
# in a container property. This will be used when aggregating
# container statistics to make bucket statistics.
if BUCKET_NAME_HEADER in headers:
bname = headers[BUCKET_NAME_HEADER]
# FIXME(FVE): the segments container is not part of another bucket!
# We should not have to strip this here.
if bname and bname.endswith(MULTIUPLOAD_SUFFIX):
bname = bname[:-len(MULTIUPLOAD_SUFFIX)]
ct_props['system'][BUCKET_NAME_PROP] = bname
try:
_chunks, _size, checksum, _meta = self._object_create(
self.account_name,
self.container_name,
obj_name=self.object_name,
file_or_path=data_source,
mime_type=content_type,
policy=policy,
headers=oio_headers,
etag=req.headers.get('etag', '').strip('"'),
properties=metadata,
container_properties=ct_props,
cache=oio_cache,
perfdata=perfdata,
**kwargs)
# TODO(FVE): when oio-sds supports it, do that in a callback
# passed to object_create (or whatever upload method supports it)
footer_md = self.load_object_metadata(self._get_footers(req))
if footer_md:
self.app.storage.object_set_properties(self.account_name,
self.container_name,
self.object_name,
version=_meta.get(
'version', None),
properties=footer_md,
headers=oio_headers,
cache=oio_cache,
perfdata=perfdata)
except exceptions.Conflict:
raise HTTPConflict(request=req)
except exceptions.PreconditionFailed:
raise HTTPPreconditionFailed(request=req)
except SourceReadTimeout as err:
self.app.logger.warning(_('ERROR Client read timeout (%s)'), err)
self.app.logger.increment('client_timeouts')
raise HTTPRequestTimeout(request=req)
except exceptions.SourceReadError:
req.client_disconnect = True
self.app.logger.warning(
_('Client disconnected without sending last chunk'))
self.app.logger.increment('client_disconnects')
raise HTTPClientDisconnect(request=req)
except exceptions.EtagMismatch:
return HTTPUnprocessableEntity(request=req)
except (exceptions.ServiceBusy, exceptions.OioTimeout,
exceptions.DeadlineReached):
raise
except exceptions.NoSuchContainer:
raise HTTPNotFound(request=req)
except exceptions.ClientException as err:
# 481 = CODE_POLICY_NOT_SATISFIABLE
if err.status == 481:
raise exceptions.ServiceBusy()
self.app.logger.exception(
_('ERROR Exception transferring data %s'), {'path': req.path})
raise HTTPInternalServerError(request=req)
except Exception:
self.app.logger.exception(
_('ERROR Exception transferring data %s'), {'path': req.path})
raise HTTPInternalServerError(request=req)
last_modified = int(_meta.get('mtime', math.ceil(time.time())))
# FIXME(FVE): if \x10 character in object name, decode version
# number and set it in the response headers, instead of the oio
# version number.
version_id = _meta.get('version', 'null')
resp = HTTPCreated(request=req,
etag=checksum,
last_modified=last_modified,
headers={'x-object-sysmeta-version-id': version_id})
return resp
def PUT(self, request):
"""Handle HTTP PUT requests for the Swift Object Server."""
device, partition, account, container, obj, policy_idx = \
get_name_and_placement(request, 5, 5, True)
req_timestamp = valid_timestamp(request)
error_response = check_object_creation(request, obj)
if error_response:
return error_response
new_delete_at = int(request.headers.get('X-Delete-At') or 0)
if new_delete_at and new_delete_at < time.time():
return HTTPBadRequest(body='X-Delete-At in past',
request=request,
content_type='text/plain')
try:
fsize = request.message_length()
except ValueError as e:
return HTTPBadRequest(body=str(e),
request=request,
content_type='text/plain')
try:
disk_file = self.get_diskfile(device,
partition,
account,
container,
obj,
policy_idx=policy_idx)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
try:
orig_metadata = disk_file.read_metadata()
except DiskFileXattrNotSupported:
return HTTPInsufficientStorage(drive=device, request=request)
except (DiskFileNotExist, DiskFileQuarantined):
orig_metadata = {}
# Checks for If-None-Match
if request.if_none_match is not None and orig_metadata:
if '*' in request.if_none_match:
# File exists already so return 412
return HTTPPreconditionFailed(request=request)
if orig_metadata.get('ETag') in request.if_none_match:
# The current ETag matches, so return 412
return HTTPPreconditionFailed(request=request)
orig_timestamp = Timestamp(orig_metadata.get('X-Timestamp', 0))
if orig_timestamp >= req_timestamp:
return HTTPConflict(
request=request,
headers={'X-Backend-Timestamp': orig_timestamp.internal})
orig_delete_at = int(orig_metadata.get('X-Delete-At') or 0)
upload_expiration = time.time() + self.max_upload_time
etag = md5()
elapsed_time = 0
try:
with disk_file.create(size=fsize) as writer:
upload_size = 0
def timeout_reader():
with ChunkReadTimeout(self.client_timeout):
return request.environ['wsgi.input'].read(
self.network_chunk_size)
try:
for chunk in iter(lambda: timeout_reader(), ''):
start_time = time.time()
if start_time > upload_expiration:
self.logger.increment('PUT.timeouts')
return HTTPRequestTimeout(request=request)
etag.update(chunk)
upload_size = writer.write(chunk)
elapsed_time += time.time() - start_time
except ChunkReadTimeout:
return HTTPRequestTimeout(request=request)
if upload_size:
self.logger.transfer_rate('PUT.' + device + '.timing',
elapsed_time, upload_size)
if fsize is not None and fsize != upload_size:
return HTTPClientDisconnect(request=request)
etag = etag.hexdigest()
if 'etag' in request.headers and \
request.headers['etag'].lower() != etag:
return HTTPUnprocessableEntity(request=request)
metadata = {
'X-Timestamp': request.timestamp.internal,
'Content-Type': request.headers['content-type'],
'ETag': etag,
'Content-Length': str(upload_size),
}
metadata.update(val for val in request.headers.iteritems()
if is_sys_or_user_meta('object', val[0]))
headers_to_copy = (request.headers.get(
'X-Backend-Replication-Headers', '').split() +
list(self.allowed_headers))
for header_key in headers_to_copy:
if header_key in request.headers:
header_caps = header_key.title()
metadata[header_caps] = request.headers[header_key]
writer.put(metadata)
except (DiskFileXattrNotSupported, DiskFileNoSpace):
return HTTPInsufficientStorage(drive=device, request=request)
if orig_delete_at != new_delete_at:
if new_delete_at:
self.delete_at_update('PUT', new_delete_at, account, container,
obj, request, device, policy_idx)
if orig_delete_at:
self.delete_at_update('DELETE', orig_delete_at, account,
container, obj, request, device,
policy_idx)
self.container_update(
'PUT', account, container, obj, request,
HeaderKeyDict({
'x-size': metadata['Content-Length'],
'x-content-type': metadata['Content-Type'],
'x-timestamp': metadata['X-Timestamp'],
'x-etag': metadata['ETag']
}), device, policy_idx)
return HTTPCreated(request=request, etag=etag)
def PUT(self, request):
"""Handle HTTP PUT requests for the Swift Object Server."""
device, partition, account, container, obj = \
split_and_validate_path(request, 5, 5, True)
if 'x-timestamp' not in request.headers or \
not check_float(request.headers['x-timestamp']):
return HTTPBadRequest(body='Missing timestamp',
request=request,
content_type='text/plain')
error_response = check_object_creation(request, obj)
if error_response:
return error_response
new_delete_at = int(request.headers.get('X-Delete-At') or 0)
if new_delete_at and new_delete_at < time.time():
return HTTPBadRequest(body='X-Delete-At in past',
request=request,
content_type='text/plain')
try:
fsize = request.message_length()
except ValueError as e:
return HTTPBadRequest(body=str(e),
request=request,
content_type='text/plain')
try:
disk_file = self._diskfile(device, partition, account, container,
obj)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
old_delete_at = int(disk_file.metadata.get('X-Delete-At') or 0)
orig_timestamp = disk_file.metadata.get('X-Timestamp')
if orig_timestamp and orig_timestamp >= request.headers['x-timestamp']:
return HTTPConflict(request=request)
upload_expiration = time.time() + self.max_upload_time
etag = md5()
elapsed_time = 0
try:
with disk_file.create(size=fsize) as writer:
reader = request.environ['wsgi.input'].read
for chunk in iter(lambda: reader(self.network_chunk_size), ''):
start_time = time.time()
if start_time > upload_expiration:
self.logger.increment('PUT.timeouts')
return HTTPRequestTimeout(request=request)
etag.update(chunk)
writer.write(chunk)
sleep()
elapsed_time += time.time() - start_time
upload_size = writer.upload_size
if upload_size:
self.logger.transfer_rate('PUT.' + device + '.timing',
elapsed_time, upload_size)
if fsize is not None and fsize != upload_size:
return HTTPClientDisconnect(request=request)
etag = etag.hexdigest()
if 'etag' in request.headers and \
request.headers['etag'].lower() != etag:
return HTTPUnprocessableEntity(request=request)
metadata = {
'X-Timestamp': request.headers['x-timestamp'],
'Content-Type': request.headers['content-type'],
'ETag': etag,
'Content-Length': str(upload_size),
}
metadata.update(val for val in request.headers.iteritems()
if val[0].lower().startswith('x-object-meta-')
and len(val[0]) > 14)
for header_key in self.allowed_headers:
if header_key in request.headers:
header_caps = header_key.title()
metadata[header_caps] = request.headers[header_key]
writer.put(metadata)
except DiskFileNoSpace:
return HTTPInsufficientStorage(drive=device, request=request)
if old_delete_at != new_delete_at:
if new_delete_at:
self.delete_at_update('PUT', new_delete_at, account, container,
obj, request, device)
if old_delete_at:
self.delete_at_update('DELETE', old_delete_at, account,
container, obj, request, device)
if not orig_timestamp or \
orig_timestamp < request.headers['x-timestamp']:
self.container_update(
'PUT', account, container, obj, request,
HeaderKeyDict({
'x-size':
disk_file.metadata['Content-Length'],
'x-content-type':
disk_file.metadata['Content-Type'],
'x-timestamp':
disk_file.metadata['X-Timestamp'],
'x-etag':
disk_file.metadata['ETag']
}), device)
resp = HTTPCreated(request=request, etag=etag)
return resp
def PUT(self, req):
"""HTTP PUT request handler."""
if req.if_none_match is not None and '*' not in req.if_none_match:
# Sending an etag with if-none-match isn't currently supported
return HTTPBadRequest(request=req, content_type='text/plain',
body='If-None-Match only supports *')
container_info = self.container_info(
self.account_name, self.container_name, req)
policy_index = req.headers.get('X-Backend-Storage-Policy-Index',
container_info['storage_policy'])
obj_ring = self.app.get_object_ring(policy_index)
# pass the policy index to storage nodes via req header
req.headers['X-Backend-Storage-Policy-Index'] = policy_index
container_partition = container_info['partition']
containers = container_info['nodes']
req.acl = container_info['write_acl']
req.environ['swift_sync_key'] = container_info['sync_key']
object_versions = container_info['versions']
if 'swift.authorize' in req.environ:
aresp = req.environ['swift.authorize'](req)
if aresp:
return aresp
if not containers:
return HTTPNotFound(request=req)
try:
ml = req.message_length()
except ValueError as e:
return HTTPBadRequest(request=req, content_type='text/plain',
body=str(e))
except AttributeError as e:
return HTTPNotImplemented(request=req, content_type='text/plain',
body=str(e))
if ml is not None and ml > constraints.MAX_FILE_SIZE:
return HTTPRequestEntityTooLarge(request=req)
if 'x-delete-after' in req.headers:
try:
x_delete_after = int(req.headers['x-delete-after'])
except ValueError:
return HTTPBadRequest(request=req,
content_type='text/plain',
body='Non-integer X-Delete-After')
req.headers['x-delete-at'] = normalize_delete_at_timestamp(
time.time() + x_delete_after)
partition, nodes = obj_ring.get_nodes(
self.account_name, self.container_name, self.object_name)
# do a HEAD request for container sync and checking object versions
if 'x-timestamp' in req.headers or \
(object_versions and not
req.environ.get('swift_versioned_copy')):
# make sure proxy-server uses the right policy index
_headers = {'X-Backend-Storage-Policy-Index': policy_index,
'X-Newest': 'True'}
hreq = Request.blank(req.path_info, headers=_headers,
environ={'REQUEST_METHOD': 'HEAD'})
hresp = self.GETorHEAD_base(
hreq, _('Object'), obj_ring, partition,
hreq.swift_entity_path)
# Used by container sync feature
if 'x-timestamp' in req.headers:
try:
req_timestamp = Timestamp(req.headers['X-Timestamp'])
if hresp.environ and 'swift_x_timestamp' in hresp.environ and \
hresp.environ['swift_x_timestamp'] >= req_timestamp:
return HTTPAccepted(request=req)
except ValueError:
return HTTPBadRequest(
request=req, content_type='text/plain',
body='X-Timestamp should be a UNIX timestamp float value; '
'was %r' % req.headers['x-timestamp'])
req.headers['X-Timestamp'] = req_timestamp.internal
else:
req.headers['X-Timestamp'] = Timestamp(time.time()).internal
# Sometimes the 'content-type' header exists, but is set to None.
content_type_manually_set = True
detect_content_type = \
config_true_value(req.headers.get('x-detect-content-type'))
if detect_content_type or not req.headers.get('content-type'):
guessed_type, _junk = mimetypes.guess_type(req.path_info)
req.headers['Content-Type'] = guessed_type or \
'application/octet-stream'
if detect_content_type:
req.headers.pop('x-detect-content-type')
else:
content_type_manually_set = False
error_response = check_object_creation(req, self.object_name) or \
check_content_type(req)
if error_response:
return error_response
if object_versions and not req.environ.get('swift_versioned_copy'):
if hresp.status_int != HTTP_NOT_FOUND:
# This is a version manifest and needs to be handled
# differently. First copy the existing data to a new object,
# then write the data from this request to the version manifest
# object.
lcontainer = object_versions.split('/')[0]
prefix_len = '%03x' % len(self.object_name)
lprefix = prefix_len + self.object_name + '/'
ts_source = hresp.environ.get('swift_x_timestamp')
if ts_source is None:
ts_source = time.mktime(time.strptime(
hresp.headers['last-modified'],
'%a, %d %b %Y %H:%M:%S GMT'))
new_ts = Timestamp(ts_source).internal
vers_obj_name = lprefix + new_ts
copy_headers = {
'Destination': '%s/%s' % (lcontainer, vers_obj_name)}
copy_environ = {'REQUEST_METHOD': 'COPY',
'swift_versioned_copy': True
}
copy_req = Request.blank(req.path_info, headers=copy_headers,
environ=copy_environ)
copy_resp = self.COPY(copy_req)
if is_client_error(copy_resp.status_int):
# missing container or bad permissions
return HTTPPreconditionFailed(request=req)
elif not is_success(copy_resp.status_int):
# could not copy the data, bail
return HTTPServiceUnavailable(request=req)
reader = req.environ['wsgi.input'].read
data_source = iter(lambda: reader(self.app.client_chunk_size), '')
source_header = req.headers.get('X-Copy-From')
source_resp = None
if source_header:
if req.environ.get('swift.orig_req_method', req.method) != 'POST':
req.environ.setdefault('swift.log_info', []).append(
'x-copy-from:%s' % source_header)
src_container_name, src_obj_name = check_copy_from_header(req)
ver, acct, _rest = req.split_path(2, 3, True)
if isinstance(acct, unicode):
acct = acct.encode('utf-8')
source_header = '/%s/%s/%s/%s' % (ver, acct,
src_container_name, src_obj_name)
source_req = req.copy_get()
# make sure the source request uses it's container_info
source_req.headers.pop('X-Backend-Storage-Policy-Index', None)
source_req.path_info = source_header
source_req.headers['X-Newest'] = 'true'
orig_obj_name = self.object_name
orig_container_name = self.container_name
self.object_name = src_obj_name
self.container_name = src_container_name
sink_req = Request.blank(req.path_info,
environ=req.environ, headers=req.headers)
source_resp = self.GET(source_req)
# This gives middlewares a way to change the source; for example,
# this lets you COPY a SLO manifest and have the new object be the
# concatenation of the segments (like what a GET request gives
# the client), not a copy of the manifest file.
hook = req.environ.get(
'swift.copy_hook',
(lambda source_req, source_resp, sink_req: source_resp))
source_resp = hook(source_req, source_resp, sink_req)
if source_resp.status_int >= HTTP_MULTIPLE_CHOICES:
return source_resp
self.object_name = orig_obj_name
self.container_name = orig_container_name
data_source = iter(source_resp.app_iter)
sink_req.content_length = source_resp.content_length
if sink_req.content_length is None:
# This indicates a transfer-encoding: chunked source object,
# which currently only happens because there are more than
# CONTAINER_LISTING_LIMIT segments in a segmented object. In
# this case, we're going to refuse to do the server-side copy.
return HTTPRequestEntityTooLarge(request=req)
if sink_req.content_length > constraints.MAX_FILE_SIZE:
return HTTPRequestEntityTooLarge(request=req)
sink_req.etag = source_resp.etag
# we no longer need the X-Copy-From header
del sink_req.headers['X-Copy-From']
if not content_type_manually_set:
sink_req.headers['Content-Type'] = \
source_resp.headers['Content-Type']
if not config_true_value(
sink_req.headers.get('x-fresh-metadata', 'false')):
copy_headers_into(source_resp, sink_req)
copy_headers_into(req, sink_req)
# copy over x-static-large-object for POSTs and manifest copies
if 'X-Static-Large-Object' in source_resp.headers and \
req.params.get('multipart-manifest') == 'get':
sink_req.headers['X-Static-Large-Object'] = \
source_resp.headers['X-Static-Large-Object']
req = sink_req
if 'x-delete-at' in req.headers:
try:
x_delete_at = normalize_delete_at_timestamp(
int(req.headers['x-delete-at']))
if int(x_delete_at) < time.time():
return HTTPBadRequest(
body='X-Delete-At in past', request=req,
content_type='text/plain')
except ValueError:
return HTTPBadRequest(request=req, content_type='text/plain',
body='Non-integer X-Delete-At')
req.environ.setdefault('swift.log_info', []).append(
'x-delete-at:%s' % x_delete_at)
delete_at_container = normalize_delete_at_timestamp(
int(x_delete_at) /
self.app.expiring_objects_container_divisor *
self.app.expiring_objects_container_divisor)
delete_at_part, delete_at_nodes = \
self.app.container_ring.get_nodes(
self.app.expiring_objects_account, delete_at_container)
else:
delete_at_container = delete_at_part = delete_at_nodes = None
node_iter = GreenthreadSafeIterator(
self.iter_nodes_local_first(obj_ring, partition))
pile = GreenPile(len(nodes))
te = req.headers.get('transfer-encoding', '')
chunked = ('chunked' in te)
outgoing_headers = self._backend_requests(
req, len(nodes), container_partition, containers,
delete_at_container, delete_at_part, delete_at_nodes)
for nheaders in outgoing_headers:
# RFC2616:8.2.3 disallows 100-continue without a body
if (req.content_length > 0) or chunked:
nheaders['Expect'] = '100-continue'
pile.spawn(self._connect_put_node, node_iter, partition,
req.swift_entity_path, nheaders,
self.app.logger.thread_locals)
conns = [conn for conn in pile if conn]
min_conns = quorum_size(len(nodes))
if req.if_none_match is not None and '*' in req.if_none_match:
statuses = [conn.resp.status for conn in conns if conn.resp]
if HTTP_PRECONDITION_FAILED in statuses:
# If we find any copy of the file, it shouldn't be uploaded
self.app.logger.debug(
_('Object PUT returning 412, %(statuses)r'),
{'statuses': statuses})
return HTTPPreconditionFailed(request=req)
if len(conns) < min_conns:
self.app.logger.error(
_('Object PUT returning 503, %(conns)s/%(nodes)s '
'required connections'),
{'conns': len(conns), 'nodes': min_conns})
return HTTPServiceUnavailable(request=req)
bytes_transferred = 0
try:
with ContextPool(len(nodes)) as pool:
for conn in conns:
conn.failed = False
conn.queue = Queue(self.app.put_queue_depth)
pool.spawn(self._send_file, conn, req.path)
while True:
with ChunkReadTimeout(self.app.client_timeout):
try:
chunk = next(data_source)
except StopIteration:
if chunked:
for conn in conns:
conn.queue.put('0\r\n\r\n')
break
bytes_transferred += len(chunk)
if bytes_transferred > constraints.MAX_FILE_SIZE:
return HTTPRequestEntityTooLarge(request=req)
for conn in list(conns):
if not conn.failed:
conn.queue.put(
'%x\r\n%s\r\n' % (len(chunk), chunk)
if chunked else chunk)
else:
conns.remove(conn)
if len(conns) < min_conns:
self.app.logger.error(_(
'Object PUT exceptions during'
' send, %(conns)s/%(nodes)s required connections'),
{'conns': len(conns), 'nodes': min_conns})
return HTTPServiceUnavailable(request=req)
for conn in conns:
if conn.queue.unfinished_tasks:
conn.queue.join()
conns = [conn for conn in conns if not conn.failed]
except ChunkReadTimeout as err:
self.app.logger.warn(
_('ERROR Client read timeout (%ss)'), err.seconds)
self.app.logger.increment('client_timeouts')
return HTTPRequestTimeout(request=req)
except (Exception, Timeout):
self.app.logger.exception(
_('ERROR Exception causing client disconnect'))
return HTTPClientDisconnect(request=req)
if req.content_length and bytes_transferred < req.content_length:
req.client_disconnect = True
self.app.logger.warn(
_('Client disconnected without sending enough data'))
self.app.logger.increment('client_disconnects')
return HTTPClientDisconnect(request=req)
statuses, reasons, bodies, etags = self._get_put_responses(req, conns,
nodes)
if len(etags) > 1:
self.app.logger.error(
_('Object servers returned %s mismatched etags'), len(etags))
return HTTPServerError(request=req)
etag = etags.pop() if len(etags) else None
resp = self.best_response(req, statuses, reasons, bodies,
_('Object PUT'), etag=etag)
if source_header:
resp.headers['X-Copied-From'] = quote(
source_header.split('/', 3)[3])
if 'last-modified' in source_resp.headers:
resp.headers['X-Copied-From-Last-Modified'] = \
source_resp.headers['last-modified']
copy_headers_into(req, resp)
resp.last_modified = math.ceil(
float(Timestamp(req.headers['X-Timestamp'])))
return resp
def PUT(self, request):
"""Handle HTTP PUT requests for the Swift Object Server."""
device, partition, account, container, obj, policy = \
get_name_and_placement(request, 5, 5, True)
req_timestamp = valid_timestamp(request)
error_response = check_object_creation(request, obj)
if error_response:
return error_response
new_delete_at = int(request.headers.get('X-Delete-At') or 0)
if new_delete_at and new_delete_at < time.time():
return HTTPBadRequest(body='X-Delete-At in past', request=request,
content_type='text/plain')
try:
fsize = request.message_length()
except ValueError as e:
return HTTPBadRequest(body=str(e), request=request,
content_type='text/plain')
# In case of multipart-MIME put, the proxy sends a chunked request,
# but may let us know the real content length so we can verify that
# we have enough disk space to hold the object.
if fsize is None:
fsize = request.headers.get('X-Backend-Obj-Content-Length')
if fsize is not None:
try:
fsize = int(fsize)
except ValueError as e:
return HTTPBadRequest(body=str(e), request=request,
content_type='text/plain')
# SSYNC will include Frag-Index header for subrequests to primary
# nodes; handoff nodes should 409 subrequests to over-write an
# existing data fragment until they offloaded the existing fragment
frag_index = request.headers.get('X-Backend-Ssync-Frag-Index')
try:
disk_file = self.get_diskfile(
device, partition, account, container, obj,
policy=policy, frag_index=frag_index)
except DiskFileDeviceUnavailable:
return HTTPInsufficientStorage(drive=device, request=request)
try:
orig_metadata = disk_file.read_metadata()
except DiskFileXattrNotSupported:
return HTTPInsufficientStorage(drive=device, request=request)
except (DiskFileNotExist, DiskFileQuarantined):
orig_metadata = {}
# Checks for If-None-Match
if request.if_none_match is not None and orig_metadata:
if '*' in request.if_none_match:
# File exists already so return 412
return HTTPPreconditionFailed(request=request)
if orig_metadata.get('ETag') in request.if_none_match:
# The current ETag matches, so return 412
return HTTPPreconditionFailed(request=request)
orig_timestamp = Timestamp(orig_metadata.get('X-Timestamp', 0))
if orig_timestamp >= req_timestamp:
return HTTPConflict(
request=request,
headers={'X-Backend-Timestamp': orig_timestamp.internal})
orig_delete_at = int(orig_metadata.get('X-Delete-At') or 0)
upload_expiration = time.time() + self.max_upload_time
etag = md5()
elapsed_time = 0
try:
with disk_file.create(size=fsize) as writer:
upload_size = 0
# If the proxy wants to send us object metadata after the
# object body, it sets some headers. We have to tell the
# proxy, in the 100 Continue response, that we're able to
# parse a multipart MIME document and extract the object and
# metadata from it. If we don't, then the proxy won't
# actually send the footer metadata.
have_metadata_footer = False
use_multiphase_commit = False
mime_documents_iter = iter([])
obj_input = request.environ['wsgi.input']
hundred_continue_headers = []
if config_true_value(
request.headers.get(
'X-Backend-Obj-Multiphase-Commit')):
use_multiphase_commit = True
hundred_continue_headers.append(
('X-Obj-Multiphase-Commit', 'yes'))
if config_true_value(
request.headers.get('X-Backend-Obj-Metadata-Footer')):
have_metadata_footer = True
hundred_continue_headers.append(
('X-Obj-Metadata-Footer', 'yes'))
if have_metadata_footer or use_multiphase_commit:
obj_input.set_hundred_continue_response_headers(
hundred_continue_headers)
mime_boundary = request.headers.get(
'X-Backend-Obj-Multipart-Mime-Boundary')
if not mime_boundary:
return HTTPBadRequest("no MIME boundary")
try:
with ChunkReadTimeout(self.client_timeout):
mime_documents_iter = iter_mime_headers_and_bodies(
request.environ['wsgi.input'],
mime_boundary, self.network_chunk_size)
_junk_hdrs, obj_input = next(mime_documents_iter)
except ChunkReadTimeout:
return HTTPRequestTimeout(request=request)
timeout_reader = self._make_timeout_reader(obj_input)
try:
for chunk in iter(timeout_reader, ''):
start_time = time.time()
if start_time > upload_expiration:
self.logger.increment('PUT.timeouts')
return HTTPRequestTimeout(request=request)
etag.update(chunk)
upload_size = writer.write(chunk)
elapsed_time += time.time() - start_time
except ChunkReadTimeout:
return HTTPRequestTimeout(request=request)
if upload_size:
self.logger.transfer_rate(
'PUT.' + device + '.timing', elapsed_time,
upload_size)
if fsize is not None and fsize != upload_size:
return HTTPClientDisconnect(request=request)
footer_meta = {}
if have_metadata_footer:
footer_meta = self._read_metadata_footer(
mime_documents_iter)
request_etag = (footer_meta.get('etag') or
request.headers.get('etag', '')).lower()
etag = etag.hexdigest()
if request_etag and request_etag != etag:
return HTTPUnprocessableEntity(request=request)
metadata = {
'X-Timestamp': request.timestamp.internal,
'Content-Type': request.headers['content-type'],
'ETag': etag,
'Content-Length': str(upload_size),
}
metadata.update(val for val in request.headers.items()
if is_sys_or_user_meta('object', val[0]))
metadata.update(val for val in footer_meta.items()
if is_sys_or_user_meta('object', val[0]))
headers_to_copy = (
request.headers.get(
'X-Backend-Replication-Headers', '').split() +
list(self.allowed_headers))
for header_key in headers_to_copy:
if header_key in request.headers:
header_caps = header_key.title()
metadata[header_caps] = request.headers[header_key]
writer.put(metadata)
# if the PUT requires a two-phase commit (a data and a commit
# phase) send the proxy server another 100-continue response
# to indicate that we are finished writing object data
if use_multiphase_commit:
request.environ['wsgi.input'].\
send_hundred_continue_response()
if not self._read_put_commit_message(mime_documents_iter):
return HTTPServerError(request=request)
# got 2nd phase confirmation, write a timestamp.durable
# state file to indicate a successful PUT
writer.commit(request.timestamp)
# Drain any remaining MIME docs from the socket. There
# shouldn't be any, but we must read the whole request body.
try:
while True:
with ChunkReadTimeout(self.client_timeout):
_junk_hdrs, _junk_body = next(mime_documents_iter)
drain(_junk_body, self.network_chunk_size,
self.client_timeout)
except ChunkReadTimeout:
raise HTTPClientDisconnect()
except StopIteration:
pass
except (DiskFileXattrNotSupported, DiskFileNoSpace):
return HTTPInsufficientStorage(drive=device, request=request)
if orig_delete_at != new_delete_at:
if new_delete_at:
self.delete_at_update(
'PUT', new_delete_at, account, container, obj, request,
device, policy)
if orig_delete_at:
self.delete_at_update(
'DELETE', orig_delete_at, account, container, obj,
request, device, policy)
update_headers = HeaderKeyDict({
'x-size': metadata['Content-Length'],
'x-content-type': metadata['Content-Type'],
'x-timestamp': metadata['X-Timestamp'],
'x-etag': metadata['ETag']})
# apply any container update header overrides sent with request
self._check_container_override(update_headers, request.headers)
self._check_container_override(update_headers, footer_meta)
self.container_update(
'PUT', account, container, obj, request,
update_headers,
device, policy)
return HTTPCreated(request=request, etag=etag)
def PUT(self, req):
"""HTTP PUT request handler."""
if req.if_none_match is not None and '*' not in req.if_none_match:
# Sending an etag with if-none-match isn't currently supported
return HTTPBadRequest(request=req,
content_type='text/plain',
body='If-None-Match only supports *')
container_info = self.container_info(self.account_name,
self.container_name, req)
policy_index = req.headers.get('X-Backend-Storage-Policy-Index',
container_info['storage_policy'])
obj_ring = self.app.get_object_ring(policy_index)
# pass the policy index to storage nodes via req header
req.headers['X-Backend-Storage-Policy-Index'] = policy_index
container_partition = container_info['partition']
containers = container_info['nodes']
req.acl = container_info['write_acl']
req.environ['swift_sync_key'] = container_info['sync_key']
object_versions = container_info['versions']
if 'swift.authorize' in req.environ:
aresp = req.environ['swift.authorize'](req)
if aresp:
return aresp
if not containers:
return HTTPNotFound(request=req)
# Sometimes the 'content-type' header exists, but is set to None.
content_type_manually_set = True
detect_content_type = \
config_true_value(req.headers.get('x-detect-content-type'))
if detect_content_type or not req.headers.get('content-type'):
guessed_type, _junk = mimetypes.guess_type(req.path_info)
req.headers['Content-Type'] = guessed_type or \
'application/octet-stream'
if detect_content_type:
req.headers.pop('x-detect-content-type')
else:
content_type_manually_set = False
error_response = check_object_creation(req, self.object_name) or \
check_content_type(req)
if error_response:
return error_response
partition, nodes = obj_ring.get_nodes(self.account_name,
self.container_name,
self.object_name)
#################################### CHANGED_CODE ############################################################
# Change the nodes list to contain only one dictionary item instead of the original 3 returned by the ring.
d = dict()
# d[partition] = nodes[1:]
# f.write(str(d)+"\n")
# f.close()
print("===Original Nodes===")
print(nodes)
temp_nodes = []
flag = 0
f = open("/home/hduser/swift/swift/proxy/controllers/spindowndevices",
"r")
sdlist = f.read().split("\n")
print("===Spun down devices===:", sdlist)
f.close()
upnodes = [item for item in nodes if item['device'] not in sdlist]
downnodes = [item for item in nodes if item['device'] in sdlist]
temp_nodes = upnodes
if (len(downnodes) > 0):
d = ast.literal_eval(
open("/home/hduser/swift/swift/proxy/controllers/nodes.txt",
"r").read())
# d_temp=pickle.load("/home/hduser/swift/proxy/controllers/nodes.p","rb")
# print("===Current dict===:",d)
for item in downnodes:
if (partition in d):
d[partition].append(item)
# print("===Modified dict===:",d)
else:
d[partition] = [item]
# print("===Modified dict===:",d)
# pickle.dump(d,open("/home/hduser/nodes.p","wb"))
# print("Before writing:",d)
fo = open("/home/hduser/swift/swift/proxy/controllers/nodes.txt", "w")
fo.write(str(d) + "\n")
fo.close()
# pickle.dump(d,open("/home/hduser/swift/swift/proxy/controllers/nodes.p","wb"))
## Old method, IGNORE
# for item in nodes:
# device = item['device']
# if(device not in sdlist):
# # if(os.path.ismount("path"))
# temp_nodes.append(item)
# flag = 1
# break
# else:
# pickle.dump(d,open("/home/hduser/nodes.p","wb"))
# # d = pickle.load(open("/home/hduser/nodes.p","rb"))
# import ast
# d = ast.literal_eval(open("/home/hduser/nodes.txt","r").read())
# print("===Current dict===:",d)
# if(partition in d):
# print("In IF")
# d[partition].append(item)
# print("===Modified dict===:",d)
# else:
# print("In ELSE")
# d[partition] = [item]
# print("===Modified dict===:",d)
# pickle.dump(d,open("/home/hduser/nodes.p","wb"))
# fo = open("/home/hduser/nodes.txt","w")
# fo.write(str(d)+"\n")
# Code to spin up a device if none are running already.
if (len(upnodes) == 0):
dev = nodes[0]['device']
print("===ALL NODES DOWN===")
print("===Mounting device===", dev)
os.system("mount /dev/" + str(dev))
print('===In controller PUT===:')
print("===Partition===", partition)
nodes = temp_nodes
print('===In controller PUT===:')
print("===Partition===", partition)
nodes = temp_nodes
print("===Nodes===:", nodes)
check_ssd()
############################################ CHANGED_CODE ########################################################
# do a HEAD request for checking object versions
if object_versions and not req.environ.get('swift_versioned_copy'):
# make sure proxy-server uses the right policy index
_headers = {
'X-Backend-Storage-Policy-Index': policy_index,
'X-Newest': 'True'
}
hreq = Request.blank(req.path_info,
headers=_headers,
environ={'REQUEST_METHOD': 'HEAD'})
hresp = self.GETorHEAD_base(hreq, _('Object'), obj_ring, partition,
hreq.swift_entity_path)
# Used by container sync feature
if 'x-timestamp' in req.headers:
try:
req_timestamp = Timestamp(req.headers['X-Timestamp'])
except ValueError:
return HTTPBadRequest(
request=req,
content_type='text/plain',
body='X-Timestamp should be a UNIX timestamp float value; '
'was %r' % req.headers['x-timestamp'])
req.headers['X-Timestamp'] = req_timestamp.internal
else:
req.headers['X-Timestamp'] = Timestamp(time.time()).internal
if object_versions and not req.environ.get('swift_versioned_copy'):
is_manifest = 'X-Object-Manifest' in req.headers or \
'X-Object-Manifest' in hresp.headers
if hresp.status_int != HTTP_NOT_FOUND and not is_manifest:
# This is a version manifest and needs to be handled
# differently. First copy the existing data to a new object,
# then write the data from this request to the version manifest
# object.
lcontainer = object_versions.split('/')[0]
prefix_len = '%03x' % len(self.object_name)
lprefix = prefix_len + self.object_name + '/'
ts_source = hresp.environ.get('swift_x_timestamp')
if ts_source is None:
ts_source = time.mktime(
time.strptime(hresp.headers['last-modified'],
'%a, %d %b %Y %H:%M:%S GMT'))
new_ts = Timestamp(ts_source).internal
vers_obj_name = lprefix + new_ts
copy_headers = {
'Destination': '%s/%s' % (lcontainer, vers_obj_name)
}
copy_environ = {
'REQUEST_METHOD': 'COPY',
'swift_versioned_copy': True
}
copy_req = Request.blank(req.path_info,
headers=copy_headers,
environ=copy_environ)
copy_resp = self.COPY(copy_req)
if is_client_error(copy_resp.status_int):
# missing container or bad permissions
return HTTPPreconditionFailed(request=req)
elif not is_success(copy_resp.status_int):
# could not copy the data, bail
return HTTPServiceUnavailable(request=req)
reader = req.environ['wsgi.input'].read
data_source = iter(lambda: reader(self.app.client_chunk_size), '')
source_header = req.headers.get('X-Copy-From')
source_resp = None
if source_header:
if req.environ.get('swift.orig_req_method', req.method) != 'POST':
req.environ.setdefault('swift.log_info', []).append(
'x-copy-from:%s' % source_header)
ver, acct, _rest = req.split_path(2, 3, True)
src_account_name = req.headers.get('X-Copy-From-Account', None)
if src_account_name:
src_account_name = check_account_format(req, src_account_name)
else:
src_account_name = acct
src_container_name, src_obj_name = check_copy_from_header(req)
source_header = '/%s/%s/%s/%s' % (ver, src_account_name,
src_container_name, src_obj_name)
source_req = req.copy_get()
# make sure the source request uses it's container_info
source_req.headers.pop('X-Backend-Storage-Policy-Index', None)
source_req.path_info = source_header
source_req.headers['X-Newest'] = 'true'
orig_obj_name = self.object_name
orig_container_name = self.container_name
orig_account_name = self.account_name
self.object_name = src_obj_name
self.container_name = src_container_name
self.account_name = src_account_name
sink_req = Request.blank(req.path_info,
environ=req.environ,
headers=req.headers)
source_resp = self.GET(source_req)
# This gives middlewares a way to change the source; for example,
# this lets you COPY a SLO manifest and have the new object be the
# concatenation of the segments (like what a GET request gives
# the client), not a copy of the manifest file.
hook = req.environ.get(
'swift.copy_hook',
(lambda source_req, source_resp, sink_req: source_resp))
source_resp = hook(source_req, source_resp, sink_req)
if source_resp.status_int >= HTTP_MULTIPLE_CHOICES:
return source_resp
self.object_name = orig_obj_name
self.container_name = orig_container_name
self.account_name = orig_account_name
data_source = iter(source_resp.app_iter)
sink_req.content_length = source_resp.content_length
if sink_req.content_length is None:
# This indicates a transfer-encoding: chunked source object,
# which currently only happens because there are more than
# CONTAINER_LISTING_LIMIT segments in a segmented object. In
# this case, we're going to refuse to do the server-side copy.
return HTTPRequestEntityTooLarge(request=req)
if sink_req.content_length > constraints.MAX_FILE_SIZE:
return HTTPRequestEntityTooLarge(request=req)
sink_req.etag = source_resp.etag
# we no longer need the X-Copy-From header
del sink_req.headers['X-Copy-From']
if 'X-Copy-From-Account' in sink_req.headers:
del sink_req.headers['X-Copy-From-Account']
if not content_type_manually_set:
sink_req.headers['Content-Type'] = \
source_resp.headers['Content-Type']
if config_true_value(
sink_req.headers.get('x-fresh-metadata', 'false')):
# post-as-copy: ignore new sysmeta, copy existing sysmeta
condition = lambda k: is_sys_meta('object', k)
remove_items(sink_req.headers, condition)
copy_header_subset(source_resp, sink_req, condition)
else:
# copy/update existing sysmeta and user meta
copy_headers_into(source_resp, sink_req)
copy_headers_into(req, sink_req)
# copy over x-static-large-object for POSTs and manifest copies
if 'X-Static-Large-Object' in source_resp.headers and \
req.params.get('multipart-manifest') == 'get':
sink_req.headers['X-Static-Large-Object'] = \
source_resp.headers['X-Static-Large-Object']
req = sink_req
req, delete_at_container, delete_at_part, \
delete_at_nodes = self._config_obj_expiration(req)
node_iter = GreenthreadSafeIterator(
self.iter_nodes_local_first(obj_ring, partition))
pile = GreenPile(len(nodes))
te = req.headers.get('transfer-encoding', '')
chunked = ('chunked' in te)
outgoing_headers = self._backend_requests(
req, len(nodes), container_partition, containers,
delete_at_container, delete_at_part, delete_at_nodes)
for nheaders in outgoing_headers:
# RFC2616:8.2.3 disallows 100-continue without a body
if (req.content_length > 0) or chunked:
nheaders['Expect'] = '100-continue'
################################# CHANGED_CODE ###################################################################
# Replaced node_iter by nodes in the following line to make sure that a new list with different order isnt used.
# Change from node_iter to nodes to make sure it writes to the same device.
# Without this, it gets a new list of nodes from the ring in a different order and connects to the first one.
pile.spawn(self._connect_put_node, nodes, partition,
req.swift_entity_path, nheaders,
self.app.logger.thread_locals)
################################# CHANGED_CODE ###################################################################
conns = [conn for conn in pile if conn]
min_conns = quorum_size(len(nodes))
if req.if_none_match is not None and '*' in req.if_none_match:
statuses = [conn.resp.status for conn in conns if conn.resp]
if HTTP_PRECONDITION_FAILED in statuses:
# If we find any copy of the file, it shouldn't be uploaded
self.app.logger.debug(
_('Object PUT returning 412, %(statuses)r'),
{'statuses': statuses})
return HTTPPreconditionFailed(request=req)
if any(conn for conn in conns
if conn.resp and conn.resp.status == HTTP_CONFLICT):
timestamps = [
HeaderKeyDict(
conn.resp.getheaders()).get('X-Backend-Timestamp')
for conn in conns if conn.resp
]
self.app.logger.debug(
_('Object PUT returning 202 for 409: '
'%(req_timestamp)s <= %(timestamps)r'), {
'req_timestamp': req.timestamp.internal,
'timestamps': ', '.join(timestamps)
})
return HTTPAccepted(request=req)
if len(conns) < min_conns:
self.app.logger.error(
_('Object PUT returning 503, %(conns)s/%(nodes)s '
'required connections'), {
'conns': len(conns),
'nodes': min_conns
})
return HTTPServiceUnavailable(request=req)
bytes_transferred = 0
try:
with ContextPool(len(nodes)) as pool:
for conn in conns:
conn.failed = False
conn.queue = Queue(self.app.put_queue_depth)
pool.spawn(self._send_file, conn, req.path)
while True:
with ChunkReadTimeout(self.app.client_timeout):
try:
chunk = next(data_source)
except StopIteration:
if chunked:
for conn in conns:
conn.queue.put('0\r\n\r\n')
break
bytes_transferred += len(chunk)
if bytes_transferred > constraints.MAX_FILE_SIZE:
return HTTPRequestEntityTooLarge(request=req)
for conn in list(conns):
if not conn.failed:
conn.queue.put('%x\r\n%s\r\n' %
(len(chunk),
chunk) if chunked else chunk)
else:
conns.remove(conn)
if len(conns) < min_conns:
self.app.logger.error(
_('Object PUT exceptions during'
' send, %(conns)s/%(nodes)s required connections'
), {
'conns': len(conns),
'nodes': min_conns
})
return HTTPServiceUnavailable(request=req)
for conn in conns:
if conn.queue.unfinished_tasks:
conn.queue.join()
conns = [conn for conn in conns if not conn.failed]
except ChunkReadTimeout as err:
self.app.logger.warn(_('ERROR Client read timeout (%ss)'),
err.seconds)
self.app.logger.increment('client_timeouts')
return HTTPRequestTimeout(request=req)
except (Exception, Timeout):
self.app.logger.exception(
_('ERROR Exception causing client disconnect'))
return HTTPClientDisconnect(request=req)
if req.content_length and bytes_transferred < req.content_length:
req.client_disconnect = True
self.app.logger.warn(
_('Client disconnected without sending enough data'))
self.app.logger.increment('client_disconnects')
return HTTPClientDisconnect(request=req)
statuses, reasons, bodies, etags = self._get_put_responses(
req, conns, nodes)
if len(etags) > 1:
self.app.logger.error(
_('Object servers returned %s mismatched etags'), len(etags))
return HTTPServerError(request=req)
etag = etags.pop() if len(etags) else None
resp = self.best_response(req,
statuses,
reasons,
bodies,
_('Object PUT'),
etag=etag)
if source_header:
acct, path = source_header.split('/', 3)[2:4]
resp.headers['X-Copied-From-Account'] = quote(acct)
resp.headers['X-Copied-From'] = quote(path)
if 'last-modified' in source_resp.headers:
resp.headers['X-Copied-From-Last-Modified'] = \
source_resp.headers['last-modified']
copy_headers_into(req, resp)
resp.last_modified = math.ceil(
float(Timestamp(req.headers['X-Timestamp'])))
return resp
def _store_object(self, req, data_source, headers):
content_type = req.headers.get('content-type', 'octet/stream')
storage = self.app.storage
policy = None
container_info = self.container_info(self.account_name,
self.container_name, req)
if 'X-Oio-Storage-Policy' in req.headers:
policy = req.headers.get('X-Oio-Storage-Policy')
if not self.app.POLICIES.get_by_name(policy):
raise HTTPBadRequest(
"invalid policy '%s', must be in %s" %
(policy, self.app.POLICIES.by_name.keys()))
else:
try:
policy_index = int(
req.headers.get('X-Backend-Storage-Policy-Index',
container_info['storage_policy']))
except TypeError:
policy_index = 0
if policy_index != 0:
policy = self.app.POLICIES.get_by_index(policy_index).name
else:
content_length = int(req.headers.get('content-length', 0))
policy = self._get_auto_policy_from_size(content_length)
metadata = self.load_object_metadata(headers)
oio_headers = {'X-oio-req-id': self.trans_id}
try:
# FIXME(FVE): use 'properties' instead of 'metadata'
# as soon as we require oio>=4.2.0
_chunks, _size, checksum = storage.object_create(
self.account_name,
self.container_name,
obj_name=self.object_name,
file_or_path=data_source,
mime_type=content_type,
policy=policy,
headers=oio_headers,
etag=req.headers.get('etag', '').strip('"'),
metadata=metadata)
# TODO(FVE): when oio-sds supports it, do that in a callback
# passed to object_create (or whatever upload method supports it)
footer_md = self.load_object_metadata(self._get_footers(req))
if footer_md:
storage.object_set_properties(self.account_name,
self.container_name,
self.object_name,
properties=footer_md)
except exceptions.Conflict:
raise HTTPConflict(request=req)
except exceptions.PreconditionFailed:
raise HTTPPreconditionFailed(request=req)
except (SourceReadTimeout, GreenSourceReadTimeout) as err:
self.app.logger.warning(_('ERROR Client read timeout (%s)'), err)
self.app.logger.increment('client_timeouts')
raise HTTPRequestTimeout(request=req)
except exceptions.SourceReadError:
req.client_disconnect = True
self.app.logger.warning(
_('Client disconnected without sending last chunk'))
self.app.logger.increment('client_disconnects')
raise HTTPClientDisconnect(request=req)
except exceptions.EtagMismatch:
return HTTPUnprocessableEntity(request=req)
except (exceptions.ServiceBusy, exceptions.OioTimeout):
raise
# TODO(FVE): exceptions.NotFound is never raised from oio
# Remove when dependency is oio>=4.2.0
except (exceptions.NoSuchContainer, exceptions.NotFound):
raise HTTPNotFound(request=req)
except exceptions.ClientException as err:
# 481 = CODE_POLICY_NOT_SATISFIABLE
if err.status == 481:
raise exceptions.ServiceBusy()
self.app.logger.exception(
_('ERROR Exception transferring data %s'), {'path': req.path})
raise HTTPInternalServerError(request=req)
except Exception:
self.app.logger.exception(
_('ERROR Exception transferring data %s'), {'path': req.path})
raise HTTPInternalServerError(request=req)
# TODO(FVE): use the timestamp of the object.
# Unfortunately the oio-sds API does not return the actual ctime.
resp = HTTPCreated(request=req,
etag=checksum,
last_modified=int(time.time()))
return resp
def PUT(self, req):
"""HTTP PUT request handler."""
container_info = self.container_info(
self.account_name, self.container_name)
container_partition = container_info['partition']
containers = container_info['nodes']
req.acl = container_info['write_acl']
req.environ['swift_sync_key'] = container_info['sync_key']
object_versions = container_info['versions']
if 'swift.authorize' in req.environ:
aresp = req.environ['swift.authorize'](req)
if aresp:
return aresp
if not containers:
return HTTPNotFound(request=req)
if 'x-delete-after' in req.headers:
try:
x_delete_after = int(req.headers['x-delete-after'])
except ValueError:
return HTTPBadRequest(request=req,
content_type='text/plain',
body='Non-integer X-Delete-After')
req.headers['x-delete-at'] = '%d' % (time.time() + x_delete_after)
partition, nodes = self.app.object_ring.get_nodes(
self.account_name, self.container_name, self.object_name)
# do a HEAD request for container sync and checking object versions
if 'x-timestamp' in req.headers or \
(object_versions and not
req.environ.get('swift_versioned_copy')):
hreq = Request.blank(req.path_info, headers={'X-Newest': 'True'},
environ={'REQUEST_METHOD': 'HEAD'})
hresp = self.GETorHEAD_base(
hreq, _('Object'), self.app.object_ring, partition,
hreq.path_info)
# Used by container sync feature
if 'x-timestamp' in req.headers:
try:
req.headers['X-Timestamp'] = \
normalize_timestamp(float(req.headers['x-timestamp']))
if hresp.environ and 'swift_x_timestamp' in hresp.environ and \
float(hresp.environ['swift_x_timestamp']) >= \
float(req.headers['x-timestamp']):
return HTTPAccepted(request=req)
except ValueError:
return HTTPBadRequest(
request=req, content_type='text/plain',
body='X-Timestamp should be a UNIX timestamp float value; '
'was %r' % req.headers['x-timestamp'])
else:
req.headers['X-Timestamp'] = normalize_timestamp(time.time())
# Sometimes the 'content-type' header exists, but is set to None.
content_type_manually_set = True
if not req.headers.get('content-type'):
guessed_type, _junk = mimetypes.guess_type(req.path_info)
req.headers['Content-Type'] = guessed_type or \
'application/octet-stream'
content_type_manually_set = False
error_response = check_object_creation(req, self.object_name) or \
check_content_type(req)
if error_response:
return error_response
if object_versions and not req.environ.get('swift_versioned_copy'):
is_manifest = 'x-object-manifest' in req.headers or \
'x-object-manifest' in hresp.headers
if hresp.status_int != HTTP_NOT_FOUND and not is_manifest:
# This is a version manifest and needs to be handled
# differently. First copy the existing data to a new object,
# then write the data from this request to the version manifest
# object.
lcontainer = object_versions.split('/')[0]
prefix_len = '%03x' % len(self.object_name)
lprefix = prefix_len + self.object_name + '/'
ts_source = hresp.environ.get('swift_x_timestamp')
if ts_source is None:
ts_source = time.mktime(time.strptime(
hresp.headers['last-modified'],
'%a, %d %b %Y %H:%M:%S GMT'))
new_ts = normalize_timestamp(ts_source)
vers_obj_name = lprefix + new_ts
copy_headers = {
'Destination': '%s/%s' % (lcontainer, vers_obj_name)}
copy_environ = {'REQUEST_METHOD': 'COPY',
'swift_versioned_copy': True
}
copy_req = Request.blank(req.path_info, headers=copy_headers,
environ=copy_environ)
copy_resp = self.COPY(copy_req)
if is_client_error(copy_resp.status_int):
# missing container or bad permissions
return HTTPPreconditionFailed(request=req)
elif not is_success(copy_resp.status_int):
# could not copy the data, bail
return HTTPServiceUnavailable(request=req)
reader = req.environ['wsgi.input'].read
data_source = iter(lambda: reader(self.app.client_chunk_size), '')
source_header = req.headers.get('X-Copy-From')
source_resp = None
if source_header:
source_header = unquote(source_header)
acct = req.path_info.split('/', 2)[1]
if isinstance(acct, unicode):
acct = acct.encode('utf-8')
if not source_header.startswith('/'):
source_header = '/' + source_header
source_header = '/' + acct + source_header
try:
src_container_name, src_obj_name = \
source_header.split('/', 3)[2:]
except ValueError:
return HTTPPreconditionFailed(
request=req,
body='X-Copy-From header must be of the form'
'<container name>/<object name>')
source_req = req.copy_get()
source_req.path_info = source_header
source_req.headers['X-Newest'] = 'true'
orig_obj_name = self.object_name
orig_container_name = self.container_name
self.object_name = src_obj_name
self.container_name = src_container_name
source_resp = self.GET(source_req)
if source_resp.status_int >= HTTP_MULTIPLE_CHOICES:
return source_resp
self.object_name = orig_obj_name
self.container_name = orig_container_name
new_req = Request.blank(req.path_info,
environ=req.environ, headers=req.headers)
data_source = source_resp.app_iter
new_req.content_length = source_resp.content_length
if new_req.content_length is None:
# This indicates a transfer-encoding: chunked source object,
# which currently only happens because there are more than
# CONTAINER_LISTING_LIMIT segments in a segmented object. In
# this case, we're going to refuse to do the server-side copy.
return HTTPRequestEntityTooLarge(request=req)
if new_req.content_length > MAX_FILE_SIZE:
return HTTPRequestEntityTooLarge(request=req)
new_req.etag = source_resp.etag
# we no longer need the X-Copy-From header
del new_req.headers['X-Copy-From']
if not content_type_manually_set:
new_req.headers['Content-Type'] = \
source_resp.headers['Content-Type']
if not config_true_value(
new_req.headers.get('x-fresh-metadata', 'false')):
copy_headers_into(source_resp, new_req)
copy_headers_into(req, new_req)
# copy over x-static-large-object for POSTs and manifest copies
if 'X-Static-Large-Object' in source_resp.headers and \
req.params.get('multipart-manifest') == 'get':
new_req.headers['X-Static-Large-Object'] = \
source_resp.headers['X-Static-Large-Object']
req = new_req
if 'x-delete-at' in req.headers:
try:
x_delete_at = int(req.headers['x-delete-at'])
if x_delete_at < time.time():
return HTTPBadRequest(
body='X-Delete-At in past', request=req,
content_type='text/plain')
except ValueError:
return HTTPBadRequest(request=req, content_type='text/plain',
body='Non-integer X-Delete-At')
delete_at_container = str(
x_delete_at /
self.app.expiring_objects_container_divisor *
self.app.expiring_objects_container_divisor)
delete_at_part, delete_at_nodes = \
self.app.container_ring.get_nodes(
self.app.expiring_objects_account, delete_at_container)
else:
delete_at_part = delete_at_nodes = None
node_iter = GreenthreadSafeIterator(
self.iter_nodes(self.app.object_ring, partition))
pile = GreenPile(len(nodes))
chunked = req.headers.get('transfer-encoding')
outgoing_headers = self._backend_requests(
req, len(nodes), container_partition, containers,
delete_at_part, delete_at_nodes)
for nheaders in outgoing_headers:
# RFC2616:8.2.3 disallows 100-continue without a body
if (req.content_length > 0) or chunked:
nheaders['Expect'] = '100-continue'
pile.spawn(self._connect_put_node, node_iter, partition,
req.path_info, nheaders, self.app.logger.thread_locals)
conns = [conn for conn in pile if conn]
if len(conns) <= len(nodes) / 2:
self.app.logger.error(
_('Object PUT returning 503, %(conns)s/%(nodes)s '
'required connections'),
{'conns': len(conns), 'nodes': len(nodes) // 2 + 1})
return HTTPServiceUnavailable(request=req)
bytes_transferred = 0
try:
with ContextPool(len(nodes)) as pool:
for conn in conns:
conn.failed = False
conn.queue = Queue(self.app.put_queue_depth)
pool.spawn(self._send_file, conn, req.path)
while True:
with ChunkReadTimeout(self.app.client_timeout):
try:
chunk = next(data_source)
except StopIteration:
if chunked:
[conn.queue.put('0\r\n\r\n') for conn in conns]
break
bytes_transferred += len(chunk)
if bytes_transferred > MAX_FILE_SIZE:
return HTTPRequestEntityTooLarge(request=req)
for conn in list(conns):
if not conn.failed:
conn.queue.put(
'%x\r\n%s\r\n' % (len(chunk), chunk)
if chunked else chunk)
else:
conns.remove(conn)
if len(conns) <= len(nodes) / 2:
self.app.logger.error(_(
'Object PUT exceptions during'
' send, %(conns)s/%(nodes)s required connections'),
{'conns': len(conns), 'nodes': len(nodes) / 2 + 1})
return HTTPServiceUnavailable(request=req)
for conn in conns:
if conn.queue.unfinished_tasks:
conn.queue.join()
conns = [conn for conn in conns if not conn.failed]
except ChunkReadTimeout, err:
self.app.logger.warn(
_('ERROR Client read timeout (%ss)'), err.seconds)
self.app.logger.increment('client_timeouts')
return HTTPRequestTimeout(request=req)
etag = md5()
upload_size = 0
last_sync = 0
elapsed_time = 0
with file.mkstemp() as fd:
try:
fallocate(fd, int(request.headers.get('content-length', 0)))
except OSError:
return HTTPInsufficientStorage(drive=device, request=request)
reader = request.environ['wsgi.input'].read
for chunk in iter(lambda: reader(self.network_chunk_size), ''):
start_time = time.time()
upload_size += len(chunk)
if time.time() > upload_expiration:
self.logger.increment('PUT.timeouts')
return HTTPRequestTimeout(request=request)
etag.update(chunk)
while chunk:
written = os.write(fd, chunk)
chunk = chunk[written:]
# For large files sync every 512MB (by default) written
if upload_size - last_sync >= self.bytes_per_sync:
tpool.execute(fdatasync, fd)
drop_buffer_cache(fd, last_sync, upload_size - last_sync)
last_sync = upload_size
sleep()
elapsed_time += time.time() - start_time
if upload_size:
self.logger.transfer_rate('PUT.' + device + '.timing',
elapsed_time, upload_size)
def _store_object(self, req, data_source, headers):
content_type = req.headers.get('content-type', 'octet/stream')
storage = self.app.storage
policy = None
container_info = self.container_info(self.account_name,
self.container_name, req)
if 'X-Oio-Storage-Policy' in req.headers:
policy = req.headers.get('X-Oio-Storage-Policy')
if not self.app.POLICIES.get_by_name(policy):
raise HTTPBadRequest(
"invalid policy '%s', must be in %s" %
(policy, self.app.POLICIES.by_name.keys()))
else:
try:
policy_index = int(
req.headers.get('X-Backend-Storage-Policy-Index',
container_info['storage_policy']))
except TypeError:
policy_index = 0
if policy_index != 0:
policy = self.app.POLICIES.get_by_index(policy_index).name
else:
content_length = int(req.headers.get('content-length', 0))
policy = self._get_auto_policy_from_size(content_length)
metadata = self.load_object_metadata(headers)
oio_headers = {REQID_HEADER: self.trans_id}
# only send headers if needed
if SUPPORT_VERSIONING and headers.get(FORCEVERSIONING_HEADER):
oio_headers[FORCEVERSIONING_HEADER] = \
headers.get(FORCEVERSIONING_HEADER)
try:
_chunks, _size, checksum, _meta = self._object_create(
self.account_name,
self.container_name,
obj_name=self.object_name,
file_or_path=data_source,
mime_type=content_type,
policy=policy,
headers=oio_headers,
etag=req.headers.get('etag', '').strip('"'),
properties=metadata)
# TODO(FVE): when oio-sds supports it, do that in a callback
# passed to object_create (or whatever upload method supports it)
footer_md = self.load_object_metadata(self._get_footers(req))
if footer_md:
storage.object_set_properties(self.account_name,
self.container_name,
self.object_name,
version=_meta.get(
'version', None),
properties=footer_md)
except exceptions.Conflict:
raise HTTPConflict(request=req)
except exceptions.PreconditionFailed:
raise HTTPPreconditionFailed(request=req)
except SourceReadTimeout as err:
self.app.logger.warning(_('ERROR Client read timeout (%s)'), err)
self.app.logger.increment('client_timeouts')
raise HTTPRequestTimeout(request=req)
except exceptions.SourceReadError:
req.client_disconnect = True
self.app.logger.warning(
_('Client disconnected without sending last chunk'))
self.app.logger.increment('client_disconnects')
raise HTTPClientDisconnect(request=req)
except exceptions.EtagMismatch:
return HTTPUnprocessableEntity(request=req)
except (exceptions.ServiceBusy, exceptions.OioTimeout,
exceptions.DeadlineReached):
raise
except exceptions.NoSuchContainer:
raise HTTPNotFound(request=req)
except exceptions.ClientException as err:
# 481 = CODE_POLICY_NOT_SATISFIABLE
if err.status == 481:
raise exceptions.ServiceBusy()
self.app.logger.exception(
_('ERROR Exception transferring data %s'), {'path': req.path})
raise HTTPInternalServerError(request=req)
except Exception:
self.app.logger.exception(
_('ERROR Exception transferring data %s'), {'path': req.path})
raise HTTPInternalServerError(request=req)
last_modified = int(_meta.get('mtime', math.ceil(time.time())))
resp = HTTPCreated(request=req,
etag=checksum,
last_modified=last_modified,
headers={
'x-object-sysmeta-version-id':
_meta.get('version', None)
})
return resp
def _store_object(self, req, data_source, headers):
content_type = req.headers.get('content-type', 'octet/stream')
storage = self.app.storage
policy = None
container_info = self.container_info(self.account_name,
self.container_name, req)
if 'X-Oio-Storage-Policy' in req.headers:
policy = req.headers.get('X-Oio-Storage-Policy')
if not self.app.POLICIES.get_by_name(policy):
raise HTTPBadRequest(
"invalid policy '%s', must be in %s" %
(policy, self.app.POLICIES.by_name.keys()))
else:
try:
policy_index = int(
req.headers.get('X-Backend-Storage-Policy-Index',
container_info['storage_policy']))
except TypeError:
policy_index = 0
if policy_index != 0:
policy = self.app.POLICIES.get_by_index(policy_index).name
else:
content_length = int(req.headers.get('content-length', 0))
policy = self._get_auto_policy_from_size(content_length)
metadata = self.load_object_metadata(headers)
# TODO actually support if-none-match
try:
chunks, size, checksum = storage.object_create(
self.account_name,
self.container_name,
obj_name=self.object_name,
file_or_path=data_source,
mime_type=content_type,
policy=policy,
etag=req.headers.get('etag', '').strip('"'),
metadata=metadata)
except exceptions.PreconditionFailed:
raise HTTPPreconditionFailed(request=req)
except SourceReadTimeout as err:
self.app.logger.warning(_('ERROR Client read timeout (%ss)'),
err.seconds)
self.app.logger.increment('client_timeouts')
raise HTTPRequestTimeout(request=req)
except exceptions.SourceReadError:
req.client_disconnect = True
self.app.logger.warning(
_('Client disconnected without sending last chunk'))
self.app.logger.increment('client_disconnects')
raise HTTPClientDisconnect(request=req)
except exceptions.EtagMismatch:
return HTTPUnprocessableEntity(request=req)
except exceptions.OioTimeout:
self.app.logger.exception(
_('ERROR Exception causing client disconnect'))
raise HTTPClientDisconnect(request=req)
except ServiceBusy:
raise
except Exception:
self.app.logger.exception(
_('ERROR Exception transferring data %s'), {'path': req.path})
raise HTTPInternalServerError(request=req)
resp = HTTPCreated(request=req, etag=checksum)
return resp
def _transfer_data(self, req, data_source, conns, nodes):
min_conns = quorum_size(len(nodes))
bytes_transferred = 0
try:
with ContextPool(len(nodes)) as pool:
for conn in conns:
conn.failed = False
conn.queue = Queue(self.app.put_queue_depth)
pool.spawn(self._send_file, conn, req.path)
while True:
with ChunkReadTimeout(self.app.client_timeout):
try:
chunk = next(data_source)
except StopIteration:
if req.is_chunked:
for conn in conns:
conn.queue.put('0\r\n\r\n')
break
bytes_transferred += len(chunk)
if bytes_transferred > constraints.MAX_FILE_SIZE:
raise HTTPRequestEntityTooLarge(request=req)
for conn in list(conns):
if not conn.failed:
conn.queue.put('%x\r\n%s\r\n' %
(len(chunk), chunk) if req.
is_chunked else chunk)
else:
conn.close()
conns.remove(conn)
self._check_min_conn(
req,
conns,
min_conns,
msg='Object PUT exceptions during'
' send, %(conns)s/%(nodes)s required connections')
for conn in conns:
if conn.queue.unfinished_tasks:
conn.queue.join()
conns = [conn for conn in conns if not conn.failed]
self._check_min_conn(req,
conns,
min_conns,
msg='Object PUT exceptions after last send, '
'%(conns)s/%(nodes)s required connections')
except ChunkReadTimeout as err:
self.app.logger.warn(_('ERROR Client read timeout (%ss)'),
err.seconds)
self.app.logger.increment('client_timeouts')
raise HTTPRequestTimeout(request=req)
except HTTPException:
raise
except (Exception, Timeout):
self.app.logger.exception(
_('ERROR Exception causing client disconnect'))
raise HTTPClientDisconnect(request=req)
if req.content_length and bytes_transferred < req.content_length:
req.client_disconnect = True
self.app.logger.warn(
_('Client disconnected without sending enough data'))
self.app.logger.increment('client_disconnects')
raise HTTPClientDisconnect(request=req)