def register(self, method, path, response_class, headers, body):
# assuming the path format like /v1/account/container/object
resource_map = ['account', 'container', 'object']
index = len(list(filter(None, split_path(path, 0, 4, True)[1:]))) - 1
resource = resource_map[index]
if (method, path) in self._responses:
old_headers = self._responses[(method, path)][1]
headers = headers.copy()
for key, value in old_headers.items():
if is_sys_meta(resource, key) and key not in headers:
# keep old sysmeta for s3acl
headers.update({key: value})
self._responses[(method, path)] = (response_class, headers, body)
def register(self, method, path, response_class, headers, body):
# assuming the path format like /v1/account/container/object
resource_map = ['account', 'container', 'object']
acos = filter(None, split_path(path, 0, 4, True)[1:])
index = len(acos) - 1
resource = resource_map[index]
if (method, path) in self._responses:
old_headers = self._responses[(method, path)][1]
headers = headers.copy()
for key, value in old_headers.iteritems():
if is_sys_meta(resource, key) and key not in headers:
# keep old sysmeta for s3acl
headers.update({key: value})
self._responses[(method, path)] = (response_class, headers, body)
def write_metadata(self, metadata):
"""
Write a block of metadata to an object.
"""
data, cur_mdata = self._filesystem.get_object(self._name)
if data is not None:
# The object exists. Update the new metadata with the object's
# immutable metadata (e.g. name, size, etag, sysmeta) and store it
# with the object data.
immutable_metadata = dict([(key, val)
for key, val in cur_mdata.items()
if key.lower() in DATAFILE_SYSTEM_META
or is_sys_meta('object', key)])
metadata.update(immutable_metadata)
metadata['name'] = self._name
self._filesystem.put_object(self._name, data, metadata)
def write_metadata(self, metadata):
"""
Write a block of metadata to an object.
"""
data, cur_mdata = self._filesystem.get_object(self._name)
if data is not None:
# The object exists. Update the new metadata with the object's
# immutable metadata (e.g. name, size, etag, sysmeta) and store it
# with the object data.
immutable_metadata = dict(
[(key, val) for key, val in cur_mdata.items()
if key.lower() in DATAFILE_SYSTEM_META
or is_sys_meta('object', key)])
metadata.update(immutable_metadata)
metadata['name'] = self._name
self._filesystem.put_object(self._name, data, metadata)
def register(self, method, path, response_class, headers, body):
# assuming the path format like /v1/account/container/object
resource_map = ['account', 'container', 'object']
index = len(list(filter(None, split_path(path, 0, 4, True)[1:]))) - 1
resource = resource_map[index]
if (method, path) in self._responses:
old_headers = self._responses[(method, path)][1]
headers = headers.copy()
for key, value in old_headers.items():
if is_sys_meta(resource, key) and key not in headers:
# keep old sysmeta for s3acl
headers.update({key: value})
if body is not None and not isinstance(body, (bytes, list)):
body = body.encode('utf8')
self._responses[(method, path)] = (response_class, headers, body)
def register(self, method, path, response_class, headers, body):
# assuming the path format like /v1/account/container/object
resource_map = ['account', 'container', 'object']
index = len(list(filter(None, split_path(path, 0, 4, True)[1:]))) - 1
resource = resource_map[index]
if (method, path) in self._responses:
old_headers = self._responses[(method, path)][1]
headers = headers.copy()
for key, value in old_headers.items():
if is_sys_meta(resource, key) and key not in headers:
# keep old sysmeta for s3acl
headers.update({key: value})
if body is not None and not isinstance(body, (bytes, list)):
body = body.encode('utf8')
return super(FakeSwift, self).register(method, path, response_class,
headers, body)
def _prep_headers_to_info(headers, server_type):
"""
Helper method that iterates once over a dict of headers,
converting all keys to lower case and separating
into subsets containing user metadata, system metadata
and other headers.
"""
meta = {}
sysmeta = {}
other = {}
for key, val in dict(headers).iteritems():
lkey = key.lower()
if is_user_meta(server_type, lkey):
meta[strip_user_meta_prefix(server_type, lkey)] = val
elif is_sys_meta(server_type, lkey):
sysmeta[strip_sys_meta_prefix(server_type, lkey)] = val
else:
other[lkey] = val
return other, meta, sysmeta
def merge_df_mf_metadata(df_md_source, mf_md_source):
"""Merge the datafile metadata and metafile metadata dictionaries together.
Datafile metadata refers to metadata originally included when the object
was first PUT, and does not include metadata set by any subsequent POST.
Metafile metadata refers to metadata written by a POST, and does not
include any persistent metadata that was set by the original PUT.
"""
md_dest = {}
if not mf_md_source:
md_dest.update(df_md_source)
else:
sys_metadata = {
key: val for key, val in df_md_source.items() if key.lower() in
(RESERVED_DATAFILE_META | DATAFILE_SYSTEM_META) or is_sys_meta('object', key)
}
md_dest.update(mf_md_source)
md_dest.update(sys_metadata)
return md_dest
def merge_df_mf_metadata(df_md_source, mf_md_source):
"""Merge the datafile metadata and metafile metadata dictionaries together.
Datafile metadata refers to metadata originally included when the object
was first PUT, and does not include metadata set by any subsequent POST.
Metafile metadata refers to metadata written by a POST, and does not
include any persistent metadata that was set by the original PUT.
"""
md_dest = {}
if not mf_md_source:
md_dest.update(df_md_source)
else:
sys_metadata = {
key: val
for key, val in df_md_source.items() if key.lower() in (
RESERVED_DATAFILE_META
| DATAFILE_SYSTEM_META) or is_sys_meta('object', key)
}
md_dest.update(mf_md_source)
md_dest.update(sys_metadata)
return md_dest
def print_obj_metadata(metadata, drop_prefixes=False):
"""
Print out basic info and metadata from object, as returned from
:func:`swift.obj.diskfile.read_metadata`.
Metadata should include the keys: name, Content-Type, and
X-Timestamp.
Additional metadata is displayed unmodified.
:param metadata: dict of object metadata
:param drop_prefixes: if True, strip "X-Object-Meta-", "X-Object-Sysmeta-",
and "X-Object-Transient-Sysmeta-" when displaying
User Metadata, System Metadata, and Transient
System Metadata entries
:raises ValueError:
"""
user_metadata = {}
sys_metadata = {}
transient_sys_metadata = {}
other_metadata = {}
if not metadata:
raise ValueError('Metadata is None')
path = metadata.pop('name', '')
content_type = metadata.pop('Content-Type', '')
ts = Timestamp(metadata.pop('X-Timestamp', 0))
account = container = obj = obj_hash = None
if path:
try:
account, container, obj = path.split('/', 3)[1:]
except ValueError:
raise ValueError('Path is invalid for object %r' % path)
else:
obj_hash = hash_path(account, container, obj)
print('Path: %s' % path)
print(' Account: %s' % account)
print(' Container: %s' % container)
print(' Object: %s' % obj)
print(' Object hash: %s' % obj_hash)
else:
print('Path: Not found in metadata')
if content_type:
print('Content-Type: %s' % content_type)
else:
print('Content-Type: Not found in metadata')
if ts:
print('Timestamp: %s (%s)' % (ts.isoformat, ts.internal))
else:
print('Timestamp: Not found in metadata')
for key, value in metadata.items():
if is_user_meta('Object', key):
if drop_prefixes:
key = strip_user_meta_prefix('Object', key)
user_metadata[key] = value
elif is_sys_meta('Object', key):
if drop_prefixes:
key = strip_sys_meta_prefix('Object', key)
sys_metadata[key] = value
elif is_object_transient_sysmeta(key):
if drop_prefixes:
key = strip_object_transient_sysmeta_prefix(key)
transient_sys_metadata[key] = value
else:
other_metadata[key] = value
def print_metadata(title, items):
print(title)
if items:
for key, value in sorted(items.items()):
print(' %s: %s' % (key, value))
else:
print(' No metadata found')
print_metadata('System Metadata:', sys_metadata)
print_metadata('Transient System Metadata:', transient_sys_metadata)
print_metadata('User Metadata:', user_metadata)
print_metadata('Other Metadata:', other_metadata)
for label, meta in [
('Data crypto details',
sys_metadata.get('X-Object-Sysmeta-Crypto-Body-Meta')),
('Metadata crypto details',
transient_sys_metadata.get('X-Object-Transient-Sysmeta-Crypto-Meta')),
]:
if meta is None:
continue
print('%s: %s' % (
label,
json.dumps(load_crypto_meta(meta, b64decode=False), indent=2,
sort_keys=True, separators=(',', ': '))))
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 __init__(self, *args, **kwargs):
swob.Response.__init__(self, *args, **kwargs)
s3_sysmeta_headers = swob.HeaderKeyDict()
sw_headers = swob.HeaderKeyDict()
headers = HeaderKeyDict()
self.is_slo = False
def is_swift3_sysmeta(sysmeta_key, server_type):
swift3_sysmeta_prefix = (
'x-%s-sysmeta-swift3' % server_type).lower()
return sysmeta_key.lower().startswith(swift3_sysmeta_prefix)
def is_s3api_sysmeta(sysmeta_key, server_type):
s3api_sysmeta_prefix = sysmeta_prefix(_server_type).lower()
return sysmeta_key.lower().startswith(s3api_sysmeta_prefix)
for key, val in self.headers.items():
if is_sys_meta('object', key) or is_sys_meta('container', key):
_server_type = key.split('-')[1]
if is_swift3_sysmeta(key, _server_type):
# To be compatible with older swift3, translate swift3
# sysmeta to s3api sysmeta here
key = sysmeta_prefix(_server_type) + \
key[len('x-%s-sysmeta-swift3-' % _server_type):]
if key not in s3_sysmeta_headers:
# To avoid overwrite s3api sysmeta by older swift3
# sysmeta set the key only when the key does not exist
s3_sysmeta_headers[key] = val
elif is_s3api_sysmeta(key, _server_type):
s3_sysmeta_headers[key] = val
else:
sw_headers[key] = val
else:
sw_headers[key] = val
# Handle swift headers
for key, val in sw_headers.items():
_key = key.lower()
if _key.startswith('x-object-meta-'):
# Note that AWS ignores user-defined headers with '=' in the
# header name. We translated underscores to '=5F' on the way
# in, though.
headers['x-amz-meta-' + _key[14:].replace('=5f', '_')] = val
elif _key in ('content-length', 'content-type',
'content-range', 'content-encoding',
'content-disposition', 'content-language',
'etag', 'last-modified', 'x-robots-tag',
'cache-control', 'expires'):
headers[key] = val
elif _key == 'x-static-large-object':
# for delete slo
self.is_slo = config_true_value(val)
# Check whether we stored the AWS-style etag on upload
override_etag = s3_sysmeta_headers.get(
sysmeta_header('object', 'etag'))
if override_etag is not None:
# Multipart uploads in AWS have ETags like
# <MD5(part_etag1 || ... || part_etagN)>-<number of parts>
headers['etag'] = override_etag
elif self.is_slo and 'etag' in headers:
# Many AWS clients use the presence of a '-' to decide whether
# to attempt client-side download validation, so even if we
# didn't store the AWS-style header, tack on a '-N'. (Use 'N'
# because we don't actually know how many parts there are.)
headers['etag'] += '-N'
self.headers = headers
if self.etag:
# add double quotes to the etag header
self.etag = self.etag
# Used for pure swift header handling at the request layer
self.sw_headers = sw_headers
self.sysmeta_headers = s3_sysmeta_headers
def _handle_copy_request(self, req):
"""
This method handles copying objects based on values set in the headers
'X-Copy-From' and 'X-Copy-From-Account'
This method was added as part of the refactoring of the PUT method and
the functionality is expected to be moved to middleware
"""
if req.environ.get('swift.orig_req_method', req.method) != 'POST':
req.environ.setdefault('swift.log_info', []).append(
'x-copy-from:%s' % req.headers['X-Copy-From'])
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
sink_req = Request.blank(req.path_info,
environ=req.environ,
headers=req.headers)
self.object_name = src_obj_name
self.container_name = src_container_name
self.account_name = src_account_name
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)
# reset names
self.object_name = orig_obj_name
self.container_name = orig_container_name
self.account_name = orig_account_name
if source_resp.status_int >= HTTP_MULTIPLE_CHOICES:
# this is a bit of ugly code, but I'm willing to live with it
# until copy request handling moves to middleware
return source_resp, None, None, None
if source_resp.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.
raise HTTPRequestEntityTooLarge(request=req)
if source_resp.content_length > constraints.MAX_FILE_SIZE:
raise HTTPRequestEntityTooLarge(request=req)
data_source = iter(source_resp.app_iter)
sink_req.content_length = source_resp.content_length
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 req.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
def update_response(req, resp):
acct, path = source_resp.environ['PATH_INFO'].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)
return resp
# this is a bit of ugly code, but I'm willing to live with it
# until copy request handling moves to middleware
return None, req, data_source, update_response
def handle_PUT(self, req, start_response):
if req.content_length:
return HTTPBadRequest(body='Copy requests require a zero byte '
'body', request=req,
content_type='text/plain')(req.environ,
start_response)
# Form the path of source object to be fetched
ver, acct, _rest = req.split_path(2, 3, True)
src_account_name = req.headers.get('X-Copy-From-Account')
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_path = '/%s/%s/%s/%s' % (ver, src_account_name,
src_container_name, src_obj_name)
if req.environ.get('swift.orig_req_method', req.method) != 'POST':
self.logger.info("Copying object from %s to %s" %
(source_path, req.path))
# GET the source object, bail out on error
ssc_ctx = ServerSideCopyWebContext(self.app, self.logger)
source_resp = self._get_source_object(ssc_ctx, source_path, req)
if source_resp.status_int >= HTTP_MULTIPLE_CHOICES:
close_if_possible(source_resp.app_iter)
return source_resp(source_resp.environ, start_response)
# Create a new Request object based on the original req instance.
# This will preserve env and headers.
sink_req = Request.blank(req.path_info,
environ=req.environ, headers=req.headers)
params = sink_req.params
if params.get('multipart-manifest') == 'get':
if 'X-Static-Large-Object' in source_resp.headers:
params['multipart-manifest'] = 'put'
if 'X-Object-Manifest' in source_resp.headers:
del params['multipart-manifest']
sink_req.headers['X-Object-Manifest'] = \
source_resp.headers['X-Object-Manifest']
sink_req.params = params
# Set data source, content length and etag for the PUT request
sink_req.environ['wsgi.input'] = FileLikeIter(source_resp.app_iter)
sink_req.content_length = source_resp.content_length
sink_req.etag = source_resp.etag
# We no longer need these headers
sink_req.headers.pop('X-Copy-From', None)
sink_req.headers.pop('X-Copy-From-Account', None)
# If the copy request does not explicitly override content-type,
# use the one present in the source object.
if not req.headers.get('content-type'):
sink_req.headers['Content-Type'] = \
source_resp.headers['Content-Type']
fresh_meta_flag = config_true_value(
sink_req.headers.get('x-fresh-metadata', 'false'))
if fresh_meta_flag or 'swift.post_as_copy' in sink_req.environ:
# 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/update new metadata provided in request if any
_copy_headers_into(req, sink_req)
# Create response headers for PUT response
resp_headers = self._create_response_headers(source_path,
source_resp, sink_req)
put_resp = ssc_ctx.send_put_req(sink_req, resp_headers, start_response)
close_if_possible(source_resp.app_iter)
return put_resp
def _handle_copy_request(self, req):
"""
This method handles copying objects based on values set in the headers
'X-Copy-From' and 'X-Copy-From-Account'
This method was added as part of the refactoring of the PUT method and
the functionality is expected to be moved to middleware
"""
if req.environ.get('swift.orig_req_method', req.method) != 'POST':
req.environ.setdefault('swift.log_info', []).append(
'x-copy-from:%s' % req.headers['X-Copy-From'])
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
sink_req = Request.blank(req.path_info,
environ=req.environ, headers=req.headers)
self.object_name = src_obj_name
self.container_name = src_container_name
self.account_name = src_account_name
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)
# reset names
self.object_name = orig_obj_name
self.container_name = orig_container_name
self.account_name = orig_account_name
if source_resp.status_int >= HTTP_MULTIPLE_CHOICES:
# this is a bit of ugly code, but I'm willing to live with it
# until copy request handling moves to middleware
return source_resp, None, None, None
if source_resp.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.
raise HTTPRequestEntityTooLarge(request=req)
if source_resp.content_length > constraints.MAX_FILE_SIZE:
raise HTTPRequestEntityTooLarge(request=req)
data_source = iter(source_resp.app_iter)
sink_req.content_length = source_resp.content_length
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 req.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
def update_response(req, resp):
acct, path = source_resp.environ['PATH_INFO'].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)
return resp
# this is a bit of ugly code, but I'm willing to live with it
# until copy request handling moves to middleware
return None, req, data_source, update_response
def print_db_info_metadata(db_type, info, metadata, drop_prefixes=False):
"""
print out data base info/metadata based on its type
:param db_type: database type, account or container
:param info: dict of data base info
:param metadata: dict of data base metadata
:param drop_prefixes: if True, strip "X-Account-Meta-",
"X-Container-Meta-", "X-Account-Sysmeta-", and
"X-Container-Sysmeta-" when displaying
User Metadata and System Metadata dicts
"""
if info is None:
raise ValueError('DB info is None')
if db_type not in ['container', 'account']:
raise ValueError('Wrong DB type')
try:
account = info['account']
container = None
if db_type == 'container':
container = info['container']
path = '/%s/%s' % (account, container)
else:
path = '/%s' % account
print('Path: %s' % path)
print(' Account: %s' % account)
if db_type == 'container':
print(' Container: %s' % container)
path_hash = hash_path(account, container)
if db_type == 'container':
print(' Container Hash: %s' % path_hash)
else:
print(' Account Hash: %s' % path_hash)
print('Metadata:')
print(' Created at: %s (%s)' %
(Timestamp(info['created_at']).isoformat,
info['created_at']))
print(' Put Timestamp: %s (%s)' %
(Timestamp(info['put_timestamp']).isoformat,
info['put_timestamp']))
print(' Delete Timestamp: %s (%s)' %
(Timestamp(info['delete_timestamp']).isoformat,
info['delete_timestamp']))
print(' Status Timestamp: %s (%s)' %
(Timestamp(info['status_changed_at']).isoformat,
info['status_changed_at']))
if db_type == 'account':
print(' Container Count: %s' % info['container_count'])
print(' Object Count: %s' % info['object_count'])
print(' Bytes Used: %s' % info['bytes_used'])
if db_type == 'container':
try:
policy_name = POLICIES[info['storage_policy_index']].name
except KeyError:
policy_name = 'Unknown'
print(' Storage Policy: %s (%s)' % (
policy_name, info['storage_policy_index']))
print(' Reported Put Timestamp: %s (%s)' %
(Timestamp(info['reported_put_timestamp']).isoformat,
info['reported_put_timestamp']))
print(' Reported Delete Timestamp: %s (%s)' %
(Timestamp(info['reported_delete_timestamp']).isoformat,
info['reported_delete_timestamp']))
print(' Reported Object Count: %s' %
info['reported_object_count'])
print(' Reported Bytes Used: %s' % info['reported_bytes_used'])
print(' Chexor: %s' % info['hash'])
print(' UUID: %s' % info['id'])
except KeyError as e:
raise ValueError('Info is incomplete: %s' % e)
meta_prefix = 'x_' + db_type + '_'
for key, value in info.items():
if key.lower().startswith(meta_prefix):
title = key.replace('_', '-').title()
print(' %s: %s' % (title, value))
user_metadata = {}
sys_metadata = {}
for key, (value, timestamp) in metadata.items():
if is_user_meta(db_type, key):
if drop_prefixes:
key = strip_user_meta_prefix(db_type, key)
user_metadata[key] = value
elif is_sys_meta(db_type, key):
if drop_prefixes:
key = strip_sys_meta_prefix(db_type, key)
sys_metadata[key] = value
else:
title = key.replace('_', '-').title()
print(' %s: %s' % (title, value))
if sys_metadata:
print(' System Metadata: %s' % sys_metadata)
else:
print('No system metadata found in db file')
if user_metadata:
print(' User Metadata: %s' % user_metadata)
else:
print('No user metadata found in db file')
if db_type == 'container':
print('Sharding Metadata:')
shard_type = 'root' if info['is_root'] else 'shard'
print(' Type: %s' % shard_type)
print(' State: %s' % info['db_state'])
if info.get('shard_ranges'):
print('Shard Ranges (%d):' % len(info['shard_ranges']))
for srange in info['shard_ranges']:
srange = dict(srange, state_text=srange.state_text)
print(' Name: %(name)s' % srange)
print(' lower: %(lower)r, upper: %(upper)r' % srange)
print(' Object Count: %(object_count)d, Bytes Used: '
'%(bytes_used)d, State: %(state_text)s (%(state)d)'
% srange)
print(' Created at: %s (%s)'
% (Timestamp(srange['timestamp']).isoformat,
srange['timestamp']))
print(' Meta Timestamp: %s (%s)'
% (Timestamp(srange['meta_timestamp']).isoformat,
srange['meta_timestamp']))
def is_object_sysmeta(k):
return is_sys_meta('object', k)
def __init__(self, *args, **kwargs):
swob.Response.__init__(self, *args, **kwargs)
s3_sysmeta_headers = swob.HeaderKeyDict()
sw_headers = swob.HeaderKeyDict()
headers = HeaderKeyDict()
self.is_slo = False
def is_swift3_sysmeta(sysmeta_key, server_type):
swift3_sysmeta_prefix = ('x-%s-sysmeta-swift3' %
server_type).lower()
return sysmeta_key.lower().startswith(swift3_sysmeta_prefix)
def is_s3api_sysmeta(sysmeta_key, server_type):
s3api_sysmeta_prefix = sysmeta_prefix(_server_type).lower()
return sysmeta_key.lower().startswith(s3api_sysmeta_prefix)
for key, val in self.headers.items():
if is_sys_meta('object', key) or is_sys_meta('container', key):
_server_type = key.split('-')[1]
if is_swift3_sysmeta(key, _server_type):
# To be compatible with older swift3, translate swift3
# sysmeta to s3api sysmeta here
key = sysmeta_prefix(_server_type) + \
key[len('x-%s-sysmeta-swift3-' % _server_type):]
if key not in s3_sysmeta_headers:
# To avoid overwrite s3api sysmeta by older swift3
# sysmeta set the key only when the key does not exist
s3_sysmeta_headers[key] = val
elif is_s3api_sysmeta(key, _server_type):
s3_sysmeta_headers[key] = val
else:
sw_headers[key] = val
else:
sw_headers[key] = val
# Handle swift headers
for key, val in sw_headers.items():
s3_pair = translate_swift_to_s3(key, val)
if s3_pair is None:
continue
headers[s3_pair[0]] = s3_pair[1]
self.is_slo = config_true_value(
sw_headers.get('x-static-large-object'))
# Check whether we stored the AWS-style etag on upload
override_etag = s3_sysmeta_headers.get(sysmeta_header(
'object', 'etag'))
if override_etag not in (None, ''):
# Multipart uploads in AWS have ETags like
# <MD5(part_etag1 || ... || part_etagN)>-<number of parts>
headers['etag'] = override_etag
elif self.is_slo and 'etag' in headers:
# Many AWS clients use the presence of a '-' to decide whether
# to attempt client-side download validation, so even if we
# didn't store the AWS-style header, tack on a '-N'. (Use 'N'
# because we don't actually know how many parts there are.)
headers['etag'] += '-N'
self.headers = headers
if self.etag:
# add double quotes to the etag header
self.etag = self.etag
# Used for pure swift header handling at the request layer
self.sw_headers = sw_headers
self.sysmeta_headers = s3_sysmeta_headers
def print_db_info_metadata(db_type, info, metadata, drop_prefixes=False,
verbose=False):
"""
print out data base info/metadata based on its type
:param db_type: database type, account or container
:param info: dict of data base info
:param metadata: dict of data base metadata
:param drop_prefixes: if True, strip "X-Account-Meta-",
"X-Container-Meta-", "X-Account-Sysmeta-", and
"X-Container-Sysmeta-" when displaying
User Metadata and System Metadata dicts
"""
if info is None:
raise ValueError('DB info is None')
if db_type not in ['container', 'account']:
raise ValueError('Wrong DB type')
try:
account = info['account']
container = None
if db_type == 'container':
container = info['container']
path = '/%s/%s' % (account, container)
else:
path = '/%s' % account
print('Path: %s' % path)
print(' Account: %s' % account)
if db_type == 'container':
print(' Container: %s' % container)
print(' Deleted: %s' % info['is_deleted'])
path_hash = hash_path(account, container)
if db_type == 'container':
print(' Container Hash: %s' % path_hash)
else:
print(' Account Hash: %s' % path_hash)
print('Metadata:')
print(' Created at: %s (%s)' %
(Timestamp(info['created_at']).isoformat,
info['created_at']))
print(' Put Timestamp: %s (%s)' %
(Timestamp(info['put_timestamp']).isoformat,
info['put_timestamp']))
print(' Delete Timestamp: %s (%s)' %
(Timestamp(info['delete_timestamp']).isoformat,
info['delete_timestamp']))
print(' Status Timestamp: %s (%s)' %
(Timestamp(info['status_changed_at']).isoformat,
info['status_changed_at']))
if db_type == 'account':
print(' Container Count: %s' % info['container_count'])
print(' Object Count: %s' % info['object_count'])
print(' Bytes Used: %s' % info['bytes_used'])
if db_type == 'container':
try:
policy_name = POLICIES[info['storage_policy_index']].name
except KeyError:
policy_name = 'Unknown'
print(' Storage Policy: %s (%s)' % (
policy_name, info['storage_policy_index']))
print(' Reported Put Timestamp: %s (%s)' %
(Timestamp(info['reported_put_timestamp']).isoformat,
info['reported_put_timestamp']))
print(' Reported Delete Timestamp: %s (%s)' %
(Timestamp(info['reported_delete_timestamp']).isoformat,
info['reported_delete_timestamp']))
print(' Reported Object Count: %s' %
info['reported_object_count'])
print(' Reported Bytes Used: %s' % info['reported_bytes_used'])
print(' Chexor: %s' % info['hash'])
print(' UUID: %s' % info['id'])
except KeyError as e:
raise ValueError('Info is incomplete: %s' % e)
meta_prefix = 'x_' + db_type + '_'
for key, value in info.items():
if key.lower().startswith(meta_prefix):
title = key.replace('_', '-').title()
print(' %s: %s' % (title, value))
user_metadata = {}
sys_metadata = {}
for key, (value, timestamp) in metadata.items():
if is_user_meta(db_type, key):
if drop_prefixes:
key = strip_user_meta_prefix(db_type, key)
user_metadata[key] = value
elif is_sys_meta(db_type, key):
if drop_prefixes:
key = strip_sys_meta_prefix(db_type, key)
sys_metadata[key] = value
else:
title = key.replace('_', '-').title()
print(' %s: %s' % (title, value))
if sys_metadata:
print(' System Metadata: %s' % sys_metadata)
else:
print('No system metadata found in db file')
if user_metadata:
print(' User Metadata: %s' % user_metadata)
else:
print('No user metadata found in db file')
if db_type == 'container':
print('Sharding Metadata:')
shard_type = 'root' if info['is_root'] else 'shard'
print(' Type: %s' % shard_type)
print(' State: %s' % info['db_state'])
if info.get('shard_ranges'):
num_shards = len(info['shard_ranges'])
print('Shard Ranges (%d):' % num_shards)
count_by_state = defaultdict(int)
for srange in info['shard_ranges']:
count_by_state[(srange.state, srange.state_text)] += 1
print(' States:')
for key_state, count in sorted(count_by_state.items()):
key, state = key_state
print(' %9s: %s' % (state, count))
if verbose:
for srange in info['shard_ranges']:
srange = dict(srange, state_text=srange.state_text)
print(' Name: %(name)s' % srange)
print(' lower: %(lower)r, upper: %(upper)r' % srange)
print(' Object Count: %(object_count)d, Bytes Used: '
'%(bytes_used)d, State: %(state_text)s (%(state)d)'
% srange)
print(' Created at: %s (%s)'
% (Timestamp(srange['timestamp']).isoformat,
srange['timestamp']))
print(' Meta Timestamp: %s (%s)'
% (Timestamp(srange['meta_timestamp']).isoformat,
srange['meta_timestamp']))
else:
print('(Use -v/--verbose to show more Shard Ranges details)')
def __init__(self, *args, **kwargs):
swob.Response.__init__(self, *args, **kwargs)
if self.etag:
# add double quotes to the etag header
self.etag = self.etag
sw_sysmeta_headers = swob.HeaderKeyDict()
sw_headers = swob.HeaderKeyDict()
headers = HeaderKeyDict()
self.is_slo = False
def is_swift3_sysmeta(sysmeta_key, server_type):
swift3_sysmeta_prefix = ('x-%s-sysmeta-swift3' %
server_type).lower()
return sysmeta_key.lower().startswith(swift3_sysmeta_prefix)
def is_s3api_sysmeta(sysmeta_key, server_type):
s3api_sysmeta_prefix = sysmeta_prefix(_server_type).lower()
return sysmeta_key.lower().startswith(s3api_sysmeta_prefix)
for key, val in self.headers.iteritems():
if is_sys_meta('object', key) or is_sys_meta('container', key):
_server_type = key.split('-')[1]
if is_swift3_sysmeta(key, _server_type):
# To be compatible with older swift3, translate swift3
# sysmeta to s3api sysmeta here
key = sysmeta_prefix(_server_type) + \
key[len('x-%s-sysmeta-swift3-' % _server_type):]
if key not in sw_sysmeta_headers:
# To avoid overwrite s3api sysmeta by older swift3
# sysmeta set the key only when the key does not exist
sw_sysmeta_headers[key] = val
elif is_s3api_sysmeta(key, _server_type):
sw_sysmeta_headers[key] = val
else:
sw_headers[key] = val
# Handle swift headers
for key, val in sw_headers.iteritems():
_key = key.lower()
if _key.startswith('x-object-meta-'):
# Note that AWS ignores user-defined headers with '=' in the
# header name. We translated underscores to '=5F' on the way
# in, though.
headers['x-amz-meta-' + _key[14:].replace('=5f', '_')] = val
elif _key in ('content-length', 'content-type', 'content-range',
'content-encoding', 'content-disposition',
'content-language', 'etag', 'last-modified',
'x-robots-tag', 'cache-control', 'expires'):
headers[key] = val
elif _key == 'x-static-large-object':
# for delete slo
self.is_slo = config_true_value(val)
self.headers = headers
# Used for pure swift header handling at the request layer
self.sw_headers = sw_headers
self.sysmeta_headers = sw_sysmeta_headers
def __init__(self, *args, **kwargs):
swob.Response.__init__(self, *args, **kwargs)
if self.etag:
# add double quotes to the etag header
self.etag = self.etag
sw_sysmeta_headers = swob.HeaderKeyDict()
sw_headers = swob.HeaderKeyDict()
headers = HeaderKeyDict()
self.is_slo = False
def is_swift3_sysmeta(sysmeta_key, server_type):
swift3_sysmeta_prefix = (
'x-%s-sysmeta-swift3' % server_type).lower()
return sysmeta_key.lower().startswith(swift3_sysmeta_prefix)
def is_s3api_sysmeta(sysmeta_key, server_type):
s3api_sysmeta_prefix = sysmeta_prefix(_server_type).lower()
return sysmeta_key.lower().startswith(s3api_sysmeta_prefix)
for key, val in self.headers.iteritems():
if is_sys_meta('object', key) or is_sys_meta('container', key):
_server_type = key.split('-')[1]
if is_swift3_sysmeta(key, _server_type):
# To be compatible with older swift3, translate swift3
# sysmeta to s3api sysmeta here
key = sysmeta_prefix(_server_type) + \
key[len('x-%s-sysmeta-swift3-' % _server_type):]
if key not in sw_sysmeta_headers:
# To avoid overwrite s3api sysmeta by older swift3
# sysmeta set the key only when the key does not exist
sw_sysmeta_headers[key] = val
elif is_s3api_sysmeta(key, _server_type):
sw_sysmeta_headers[key] = val
else:
sw_headers[key] = val
# Handle swift headers
for key, val in sw_headers.iteritems():
_key = key.lower()
if _key.startswith('x-object-meta-'):
# Note that AWS ignores user-defined headers with '=' in the
# header name. We translated underscores to '=5F' on the way
# in, though.
headers['x-amz-meta-' + _key[14:].replace('=5f', '_')] = val
elif _key in ('content-length', 'content-type',
'content-range', 'content-encoding',
'content-disposition', 'content-language',
'etag', 'last-modified', 'x-robots-tag',
'cache-control', 'expires'):
headers[key] = val
elif _key == 'x-static-large-object':
# for delete slo
self.is_slo = config_true_value(val)
self.headers = headers
# Used for pure swift header handling at the request layer
self.sw_headers = sw_headers
self.sysmeta_headers = sw_sysmeta_headers
def print_db_info_metadata(db_type, info, metadata):
"""
print out data base info/metadata based on its type
:param db_type: database type, account or container
:param info: dict of data base info
:param metadata: dict of data base metadata
"""
if info is None:
raise ValueError("DB info is None")
if db_type not in ["container", "account"]:
raise ValueError("Wrong DB type")
try:
account = info["account"]
container = None
if db_type == "container":
container = info["container"]
path = "/%s/%s" % (account, container)
else:
path = "/%s" % account
print "Path: %s" % path
print " Account: %s" % account
if db_type == "container":
print " Container: %s" % container
path_hash = hash_path(account, container)
if db_type == "container":
print " Container Hash: %s" % path_hash
else:
print " Account Hash: %s" % path_hash
print "Metadata:"
print (" Created at: %s (%s)" % (datetime.utcfromtimestamp(float(info["created_at"])), info["created_at"]))
print (
" Put Timestamp: %s (%s)"
% (datetime.utcfromtimestamp(float(info["put_timestamp"])), info["put_timestamp"])
)
print (
" Delete Timestamp: %s (%s)"
% (datetime.utcfromtimestamp(float(info["delete_timestamp"])), info["delete_timestamp"])
)
if db_type == "account":
print " Container Count: %s" % info["container_count"]
print " Object Count: %s" % info["object_count"]
print " Bytes Used: %s" % info["bytes_used"]
if db_type == "container":
print (
" Reported Put Timestamp: %s (%s)"
% (datetime.utcfromtimestamp(float(info["reported_put_timestamp"])), info["reported_put_timestamp"])
)
print (
" Reported Delete Timestamp: %s (%s)"
% (
datetime.utcfromtimestamp(float(info["reported_delete_timestamp"])),
info["reported_delete_timestamp"],
)
)
print " Reported Object Count: %s" % info["reported_object_count"]
print " Reported Bytes Used: %s" % info["reported_bytes_used"]
print " Chexor: %s" % info["hash"]
print " UUID: %s" % info["id"]
except KeyError:
raise ValueError("Info is incomplete")
meta_prefix = "x_" + db_type + "_"
for key, value in info.iteritems():
if key.lower().startswith(meta_prefix):
title = key.replace("_", "-").title()
print " %s: %s" % (title, value)
user_metadata = {}
sys_metadata = {}
for key, (value, timestamp) in metadata.iteritems():
if is_user_meta(db_type, key):
user_metadata[strip_user_meta_prefix(db_type, key)] = value
elif is_sys_meta(db_type, key):
sys_metadata[strip_sys_meta_prefix(db_type, key)] = value
else:
title = key.replace("_", "-").title()
print " %s: %s" % (title, value)
if sys_metadata:
print " System Metadata: %s" % sys_metadata
else:
print "No system metadata found in db file"
if user_metadata:
print " User Metadata: %s" % user_metadata
else:
print "No user metadata found in db file"
def test_is_sys_meta(self):
m_type = 'sysmeta'
for st in server_types:
self.assertTrue(rh.is_sys_meta(st, 'x-%s-%s-foo' % (st, m_type)))
self.assertFalse(rh.is_sys_meta(st, 'x-%s-%s-' % (st, m_type)))
self.assertFalse(rh.is_sys_meta(st, 'x-%s-%sfoo' % (st, m_type)))
def handle_PUT(self, req, start_response):
if req.content_length:
return HTTPBadRequest(body='Copy requests require a zero byte '
'body', request=req,
content_type='text/plain')(req.environ,
start_response)
# Form the path of source object to be fetched
ver, acct, _rest = req.split_path(2, 3, True)
src_account_name = req.headers.get('X-Copy-From-Account')
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_path = '/%s/%s/%s/%s' % (ver, src_account_name,
src_container_name, src_obj_name)
if req.environ.get('swift.orig_req_method', req.method) != 'POST':
self.logger.info("Copying object from %s to %s" %
(source_path, req.path))
# GET the source object, bail out on error
ssc_ctx = ServerSideCopyWebContext(self.app, self.logger)
source_resp = self._get_source_object(ssc_ctx, source_path, req)
if source_resp.status_int >= HTTP_MULTIPLE_CHOICES:
close_if_possible(source_resp.app_iter)
return source_resp(source_resp.environ, start_response)
# Create a new Request object based on the original req instance.
# This will preserve env and headers.
sink_req = Request.blank(req.path_info,
environ=req.environ, headers=req.headers)
params = sink_req.params
if params.get('multipart-manifest') == 'get':
if 'X-Static-Large-Object' in source_resp.headers:
params['multipart-manifest'] = 'put'
if 'X-Object-Manifest' in source_resp.headers:
del params['multipart-manifest']
sink_req.headers['X-Object-Manifest'] = \
source_resp.headers['X-Object-Manifest']
sink_req.params = params
# Set data source, content length and etag for the PUT request
sink_req.environ['wsgi.input'] = FileLikeIter(source_resp.app_iter)
sink_req.content_length = source_resp.content_length
if (source_resp.status_int == HTTP_OK and
'X-Static-Large-Object' not in source_resp.headers and
('X-Object-Manifest' not in source_resp.headers or
req.params.get('multipart-manifest') == 'get')):
# copy source etag so that copied content is verified, unless:
# - not a 200 OK response: source etag may not match the actual
# content, for example with a 206 Partial Content response to a
# ranged request
# - SLO manifest: etag cannot be specified in manifest PUT; SLO
# generates its own etag value which may differ from source
# - SLO: etag in SLO response is not hash of actual content
# - DLO: etag in DLO response is not hash of actual content
sink_req.headers['Etag'] = source_resp.etag
else:
# since we're not copying the source etag, make sure that any
# container update override values are not copied.
remove_items(source_resp.headers, lambda k: k.startswith(
'X-Object-Sysmeta-Container-Update-Override-'))
# We no longer need these headers
sink_req.headers.pop('X-Copy-From', None)
sink_req.headers.pop('X-Copy-From-Account', None)
# If the copy request does not explicitly override content-type,
# use the one present in the source object.
if not req.headers.get('content-type'):
sink_req.headers['Content-Type'] = \
source_resp.headers['Content-Type']
fresh_meta_flag = config_true_value(
sink_req.headers.get('x-fresh-metadata', 'false'))
if fresh_meta_flag or 'swift.post_as_copy' in sink_req.environ:
# 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, transient-sysmeta and user meta
_copy_headers(source_resp.headers, sink_req.headers)
# Copy/update new metadata provided in request if any
_copy_headers(req.headers, sink_req.headers)
# Create response headers for PUT response
resp_headers = self._create_response_headers(source_path,
source_resp, sink_req)
put_resp = ssc_ctx.send_put_req(sink_req, resp_headers, start_response)
close_if_possible(source_resp.app_iter)
return put_resp
def print_obj_metadata(metadata):
"""
Print out basic info and metadata from object, as returned from
:func:`swift.obj.diskfile.read_metadata`.
Metadata should include the keys: name, Content-Type, and
X-Timestamp.
Additional metadata is displayed unmodified.
:param metadata: dict of object metadata
:raises: ValueError
"""
user_metadata = {}
sys_metadata = {}
transient_sys_metadata = {}
other_metadata = {}
if not metadata:
raise ValueError('Metadata is None')
path = metadata.pop('name', '')
content_type = metadata.pop('Content-Type', '')
ts = Timestamp(metadata.pop('X-Timestamp', 0))
account = container = obj = obj_hash = None
if path:
try:
account, container, obj = path.split('/', 3)[1:]
except ValueError:
raise ValueError('Path is invalid for object %r' % path)
else:
obj_hash = hash_path(account, container, obj)
print('Path: %s' % path)
print(' Account: %s' % account)
print(' Container: %s' % container)
print(' Object: %s' % obj)
print(' Object hash: %s' % obj_hash)
else:
print('Path: Not found in metadata')
if content_type:
print('Content-Type: %s' % content_type)
else:
print('Content-Type: Not found in metadata')
if ts:
print('Timestamp: %s (%s)' % (ts.isoformat, ts.internal))
else:
print('Timestamp: Not found in metadata')
for key, value in metadata.items():
if is_user_meta('Object', key):
user_metadata[key] = value
elif is_sys_meta('Object', key):
sys_metadata[key] = value
elif is_object_transient_sysmeta(key):
transient_sys_metadata[key] = value
else:
other_metadata[key] = value
def print_metadata(title, items):
print(title)
if items:
for meta_key in sorted(items):
print(' %s: %s' % (meta_key, items[meta_key]))
else:
print(' No metadata found')
print_metadata('System Metadata:', sys_metadata)
print_metadata('Transient System Metadata:', transient_sys_metadata)
print_metadata('User Metadata:', user_metadata)
print_metadata('Other Metadata:', other_metadata)
def is_object_sysmeta(k):
return is_sys_meta('object', k)
def print_obj_metadata(metadata, drop_prefixes=False):
"""
Print out basic info and metadata from object, as returned from
:func:`swift.obj.diskfile.read_metadata`.
Metadata should include the keys: name, Content-Type, and
X-Timestamp.
Additional metadata is displayed unmodified.
:param metadata: dict of object metadata
:param drop_prefixes: if True, strip "X-Object-Meta-", "X-Object-Sysmeta-",
and "X-Object-Transient-Sysmeta-" when displaying
User Metadata, System Metadata, and Transient
System Metadata entries
:raises ValueError:
"""
user_metadata = {}
sys_metadata = {}
transient_sys_metadata = {}
other_metadata = {}
if not metadata:
raise ValueError('Metadata is None')
path = metadata.pop('name', '')
content_type = metadata.pop('Content-Type', '')
ts = Timestamp(metadata.pop('X-Timestamp', 0))
account = container = obj = obj_hash = None
if path:
try:
account, container, obj = path.split('/', 3)[1:]
except ValueError:
raise ValueError('Path is invalid for object %r' % path)
else:
obj_hash = hash_path(account, container, obj)
print('Path: %s' % path)
print(' Account: %s' % account)
print(' Container: %s' % container)
print(' Object: %s' % obj)
print(' Object hash: %s' % obj_hash)
else:
print('Path: Not found in metadata')
if content_type:
print('Content-Type: %s' % content_type)
else:
print('Content-Type: Not found in metadata')
if ts:
print('Timestamp: %s (%s)' % (ts.isoformat, ts.internal))
else:
print('Timestamp: Not found in metadata')
for key, value in metadata.items():
if is_user_meta('Object', key):
if drop_prefixes:
key = strip_user_meta_prefix('Object', key)
user_metadata[key] = value
elif is_sys_meta('Object', key):
if drop_prefixes:
key = strip_sys_meta_prefix('Object', key)
sys_metadata[key] = value
elif is_object_transient_sysmeta(key):
if drop_prefixes:
key = strip_object_transient_sysmeta_prefix(key)
transient_sys_metadata[key] = value
else:
other_metadata[key] = value
def print_metadata(title, items):
print(title)
if items:
for key, value in sorted(items.items()):
print(' %s: %s' % (key, value))
else:
print(' No metadata found')
print_metadata('System Metadata:', sys_metadata)
print_metadata('Transient System Metadata:', transient_sys_metadata)
print_metadata('User Metadata:', user_metadata)
print_metadata('Other Metadata:', other_metadata)
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)
# 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
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)
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'
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:
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 print_obj_metadata(metadata):
"""
Print out basic info and metadata from object, as returned from
:func:`swift.obj.diskfile.read_metadata`.
Metadata should include the keys: name, Content-Type, and
X-Timestamp.
Additional metadata is displayed unmodified.
:param metadata: dict of object metadata
:raises: ValueError
"""
user_metadata = {}
sys_metadata = {}
other_metadata = {}
if not metadata:
raise ValueError('Metadata is None')
path = metadata.pop('name', '')
content_type = metadata.pop('Content-Type', '')
ts = Timestamp(metadata.pop('X-Timestamp', 0))
account = container = obj = obj_hash = None
if path:
try:
account, container, obj = path.split('/', 3)[1:]
except ValueError:
raise ValueError('Path is invalid for object %r' % path)
else:
obj_hash = hash_path(account, container, obj)
print 'Path: %s' % path
print ' Account: %s' % account
print ' Container: %s' % container
print ' Object: %s' % obj
print ' Object hash: %s' % obj_hash
else:
print 'Path: Not found in metadata'
if content_type:
print 'Content-Type: %s' % content_type
else:
print 'Content-Type: Not found in metadata'
if ts:
print ('Timestamp: %s (%s)' % (ts.isoformat, ts.internal))
else:
print 'Timestamp: Not found in metadata'
for key, value in metadata.iteritems():
if is_user_meta('Object', key):
user_metadata[key] = value
elif is_sys_meta('Object', key):
sys_metadata[key] = value
else:
other_metadata[key] = value
def print_metadata(title, items):
print title
if items:
for meta_key in sorted(items):
print ' %s: %s' % (meta_key, items[meta_key])
else:
print ' No metadata found'
print_metadata('System Metadata:', sys_metadata)
print_metadata('User Metadata:', user_metadata)
print_metadata('Other Metadata:', other_metadata)
def test_is_sys_meta(self):
m_type = 'sysmeta'
for st in server_types:
self.assertTrue(is_sys_meta(st, 'x-%s-%s-foo' % (st, m_type)))
self.assertFalse(is_sys_meta(st, 'x-%s-%s-' % (st, m_type)))
self.assertFalse(is_sys_meta(st, 'x-%s-%sfoo' % (st, m_type)))
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 *')
if 'swift.authorize' in req.environ:
aresp = req.environ['swift.authorize'](req)
if aresp:
return aresp
# 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
req.headers['X-Timestamp'] = Timestamp(time.time()).internal
stream = req.environ['wsgi.input']
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
stream = IterO(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
content_length = req.content_length
content_type = req.headers.get('content-type', 'octet/stream')
storage = self.app.storage
if content_length is None:
content_length = 0
try:
chunks, size, checksum = storage.object_create(self.account_name, self.container_name,
obj_name=self.object_name,
file_or_path=stream,
content_length=content_length,
content_type=content_type)
except exceptions.NoSuchContainer:
return HTTPNotFound(request=req)
except exceptions.ClientReadTimeout:
return HTTPRequestTimeout(request=req)
resp = HTTPCreated(request=req, etag=checksum)
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 __init__(self, *args, **kwargs):
swob.Response.__init__(self, *args, **kwargs)
sw_sysmeta_headers = swob.HeaderKeyDict()
sw_headers = swob.HeaderKeyDict()
headers = HeaderKeyDict()
self.is_slo = False
def is_swift3_sysmeta(sysmeta_key, server_type):
swift3_sysmeta_prefix = ('x-%s-sysmeta-swift3' %
server_type).lower()
return sysmeta_key.lower().startswith(swift3_sysmeta_prefix)
def is_s3api_sysmeta(sysmeta_key, server_type):
s3api_sysmeta_prefix = sysmeta_prefix(_server_type).lower()
return sysmeta_key.lower().startswith(s3api_sysmeta_prefix)
for key, val in self.headers.items():
if is_sys_meta('object', key) or is_sys_meta('container', key):
_server_type = key.split('-')[1]
if is_swift3_sysmeta(key, _server_type):
# To be compatible with older swift3, translate swift3
# sysmeta to s3api sysmeta here
key = sysmeta_prefix(_server_type) + \
key[len('x-%s-sysmeta-swift3-' % _server_type):]
if key not in sw_sysmeta_headers:
# To avoid overwrite s3api sysmeta by older swift3
# sysmeta set the key only when the key does not exist
sw_sysmeta_headers[key] = val
elif is_s3api_sysmeta(key, _server_type):
sw_sysmeta_headers[key] = val
else:
sw_headers[key] = val
# Handle swift headers
for key, val in sw_headers.items():
_key = key.lower()
if _key.startswith('x-object-meta-'):
# Note that AWS ignores user-defined headers with '=' in the
# header name. We translated underscores to '=5F' on the way
# in, though.
headers['x-amz-meta-' + _key[14:].replace('=5f', '_')] = val
elif _key in ('content-length', 'content-type', 'content-range',
'content-encoding', 'content-disposition',
'content-language', 'etag', 'last-modified',
'x-robots-tag', 'cache-control', 'expires'):
headers[key] = val
elif _key == 'x-static-large-object':
# for delete slo
self.is_slo = config_true_value(val)
# Check whether we stored the AWS-style etag on upload
override_etag = sw_sysmeta_headers.get(sysmeta_header(
'object', 'etag'))
if override_etag is not None:
# Multipart uploads in AWS have ETags like
# <MD5(part_etag1 || ... || part_etagN)>-<number of parts>
headers['etag'] = override_etag
elif self.is_slo and 'etag' in headers:
# Many AWS clients use the presence of a '-' to decide whether
# to attempt client-side download validation, so even if we
# didn't store the AWS-style header, tack on a '-N'. (Use 'N'
# because we don't actually know how many parts there are.)
headers['etag'] += '-N'
self.headers = headers
if self.etag:
# add double quotes to the etag header
self.etag = self.etag
# Used for pure swift header handling at the request layer
self.sw_headers = sw_headers
self.sysmeta_headers = sw_sysmeta_headers
def print_db_info_metadata(db_type, info, metadata):
"""
print out data base info/metadata based on its type
:param db_type: database type, account or container
:param info: dict of data base info
:param metadata: dict of data base metadata
"""
if info is None:
raise ValueError('DB info is None')
if db_type not in ['container', 'account']:
raise ValueError('Wrong DB type')
try:
account = info['account']
container = None
if db_type == 'container':
container = info['container']
path = '/%s/%s' % (account, container)
else:
path = '/%s' % account
print 'Path: %s' % path
print ' Account: %s' % account
if db_type == 'container':
print ' Container: %s' % container
path_hash = hash_path(account, container)
if db_type == 'container':
print ' Container Hash: %s' % path_hash
else:
print ' Account Hash: %s' % path_hash
print 'Metadata:'
print (' Created at: %s (%s)' %
(Timestamp(info['created_at']).isoformat,
info['created_at']))
print (' Put Timestamp: %s (%s)' %
(Timestamp(info['put_timestamp']).isoformat,
info['put_timestamp']))
print (' Delete Timestamp: %s (%s)' %
(Timestamp(info['delete_timestamp']).isoformat,
info['delete_timestamp']))
print (' Status Timestamp: %s (%s)' %
(Timestamp(info['status_changed_at']).isoformat,
info['status_changed_at']))
if db_type == 'account':
print ' Container Count: %s' % info['container_count']
print ' Object Count: %s' % info['object_count']
print ' Bytes Used: %s' % info['bytes_used']
if db_type == 'container':
try:
policy_name = POLICIES[info['storage_policy_index']].name
except KeyError:
policy_name = 'Unknown'
print (' Storage Policy: %s (%s)' % (
policy_name, info['storage_policy_index']))
print (' Reported Put Timestamp: %s (%s)' %
(Timestamp(info['reported_put_timestamp']).isoformat,
info['reported_put_timestamp']))
print (' Reported Delete Timestamp: %s (%s)' %
(Timestamp(info['reported_delete_timestamp']).isoformat,
info['reported_delete_timestamp']))
print ' Reported Object Count: %s' % info['reported_object_count']
print ' Reported Bytes Used: %s' % info['reported_bytes_used']
print ' Chexor: %s' % info['hash']
print ' UUID: %s' % info['id']
except KeyError as e:
raise ValueError('Info is incomplete: %s' % e)
meta_prefix = 'x_' + db_type + '_'
for key, value in info.iteritems():
if key.lower().startswith(meta_prefix):
title = key.replace('_', '-').title()
print ' %s: %s' % (title, value)
user_metadata = {}
sys_metadata = {}
for key, (value, timestamp) in metadata.iteritems():
if is_user_meta(db_type, key):
user_metadata[strip_user_meta_prefix(db_type, key)] = value
elif is_sys_meta(db_type, key):
sys_metadata[strip_sys_meta_prefix(db_type, key)] = value
else:
title = key.replace('_', '-').title()
print ' %s: %s' % (title, value)
if sys_metadata:
print ' System Metadata: %s' % sys_metadata
else:
print 'No system metadata found in db file'
if user_metadata:
print ' User Metadata: %s' % user_metadata
else:
print 'No user metadata found in db file'
def is_object_sysmeta(k):
return is_sys_meta("object", k)
