def __init__(self, app, conf):
if not MODULE_DEPENDENCY_MET:
# reraise the exception if the dependency wasn't met
raise ImportError('dnspython is required for this module')
self.app = app
storage_domain = conf.get('storage_domain', 'example.com')
self.storage_domain = ['.' + s for s in
list_from_csv(storage_domain)
if not s.startswith('.')]
self.storage_domain += [s for s in list_from_csv(storage_domain)
if s.startswith('.')]
self.lookup_depth = int(conf.get('lookup_depth', '1'))
nameservers = list_from_csv(conf.get('nameservers'))
try:
for i, server in enumerate(nameservers):
ip_or_host, maybe_port = nameservers[i] = \
parse_socket_string(server, None)
if not is_valid_ip(ip_or_host):
raise ValueError
if maybe_port is not None:
int(maybe_port)
except ValueError:
raise ValueError('Invalid cname_lookup/nameservers configuration '
'found. All nameservers must be valid IPv4 or '
'IPv6, followed by an optional :<integer> port.')
self.resolver = dns.resolver.Resolver()
if nameservers:
self.resolver.nameservers = [ip for (ip, port) in nameservers]
self.resolver.nameserver_ports = {
ip: int(port) for (ip, port) in nameservers
if port is not None}
self.memcache = None
self.logger = get_logger(conf, log_route='cname-lookup')
def forward_raw_swift_req(swift_baseurl, req, logger, object_chunk_size):
# logger.info('swift_baseurl: %s' % swift_baseurl)
scheme, netloc, _, _, _ = urlsplit(swift_baseurl)
ssl = (scheme == 'https')
swift_host, swift_port = utils.parse_socket_string(netloc,
443 if ssl else 80)
swift_port = int(swift_port)
if ssl:
conn = bufferedhttp.HTTPSConnection(swift_host, port=swift_port)
else:
conn = bufferedhttp.BufferedHTTPConnection(swift_host, port=swift_port)
conn.path = req.path_qs
conn.putrequest(req.method, req.path_qs, skip_host=True)
proxy_satellite_host = ''
for header, value in filter_hop_by_hop_headers(req.headers.items()):
if header.lower() == 'host':
proxy_satellite_host = value
continue
conn.putheader(header, str(value))
conn.putheader('Host', str(swift_host))
conn.endheaders()
content_length = int(req.headers.get('content-length', '0'))
if content_length != 0:
chunk = req.body_file.read(object_chunk_size)
while chunk:
conn.send(chunk)
chunk = req.body_file.read(object_chunk_size)
resp = conn.getresponse()
headers = dict(filter_hop_by_hop_headers(resp.getheaders()))
if 'x-storage-url' in headers:
swift_scheme, swift_netloc, swift_path, _, _ = \
urlsplit(headers['x-storage-url'])
headers['x-storage-url'] = \
swift_scheme+"://"+proxy_satellite_host+swift_path
body_len = 0 if req.method == 'HEAD' \
else int(headers.get('content-length', "0"))
app_iter = ClosingResourceIterable(resource=conn,
data_src=resp,
length=body_len)
return swob.Response(app_iter=app_iter,
status=resp.status,
headers=headers,
request=req)
def __init__(self, server, size, connect_timeout):
Pool.__init__(self, max_size=size)
self.host, self.port = utils.parse_socket_string(
server, DEFAULT_MEMCACHED_PORT)
self._connect_timeout = connect_timeout
def __init__(self, server, size, connect_timeout):
Pool.__init__(self, max_size=size)
self.host, self.port = utils.parse_socket_string(
server, DEFAULT_MEMCACHED_PORT)
self._connect_timeout = connect_timeout
