def get_response(req):
requested_policy = int(
req['headers']['X-Backend-Storage-Policy-Index'])
if int(policy) != requested_policy:
AssertionError(
"Requested polciy doesn't fit the fake response policy")
if not node_map:
_build_node_map(req, policy)
try:
node_index = node_map[(req['ip'], req['port'])]
except KeyError:
raise Exception("Couldn't find node %s:%s in %r" %
(req['ip'], req['port'], all_nodes))
try:
frags = node_frags[node_index]
except IndexError:
raise Exception(
'Found node %r:%r at index %s - '
'but only got %s stub response nodes' %
(req['ip'], req['port'], node_index, len(node_frags)))
if not frags:
return StubResponse(404)
# determine response fragment (if any) for this call
resp_frag = frags[call_count[node_index]]
call_count[node_index] += 1
frag_prefs = req['headers'].get('X-Backend-Fragment-Preferences')
if not (frag_prefs or resp_frag.get('durable', True)):
return StubResponse(404)
# prepare durable timestamp and backend frags header for this node
obj_stub = resp_frag['obj']
ts2frags = defaultdict(list)
durable_timestamp = None
for frag in frags:
ts_frag = frag['obj']['timestamp']
if frag.get('durable', True):
durable_timestamp = ts_frag.internal
ts2frags[ts_frag].append(frag['frag'])
try:
body = obj_stub['frags'][resp_frag['frag']]
except IndexError as err:
raise Exception(
'Frag index %s not defined: node index %s, frags %r\n%s' %
(resp_frag['frag'], node_index, [f['frag']
for f in frags], err))
headers = {
'X-Object-Sysmeta-Ec-Content-Length':
len(obj_stub['body']),
'X-Object-Sysmeta-Ec-Etag':
obj_stub['etag'],
'X-Object-Sysmeta-Ec-Frag-Index':
policy.get_backend_index(resp_frag['frag']),
'X-Backend-Timestamp':
obj_stub['timestamp'].internal,
'X-Timestamp':
obj_stub['timestamp'].normal,
'X-Backend-Data-Timestamp':
obj_stub['timestamp'].internal,
'X-Backend-Fragments':
server._make_backend_fragments_header(ts2frags)
}
if durable_timestamp:
headers['X-Backend-Durable-Timestamp'] = durable_timestamp
return StubResponse(200, body, headers)
def get_response(req):
requested_policy = int(
req['headers']['X-Backend-Storage-Policy-Index'])
if int(policy) != requested_policy:
AssertionError(
"Requested polciy doesn't fit the fake response policy")
if not node_map:
_build_node_map(req, policy)
try:
node_index = node_map[(req['ip'], req['port'])]
except KeyError:
raise Exception("Couldn't find node %s:%s in %r" % (
req['ip'], req['port'], all_nodes))
try:
frags = node_frags[node_index]
except IndexError:
raise Exception('Found node %r:%r at index %s - '
'but only got %s stub response nodes' % (
req['ip'], req['port'], node_index,
len(node_frags)))
if not frags:
return StubResponse(404)
# determine response fragment (if any) for this call
resp_frag = frags[call_count[node_index]]
call_count[node_index] += 1
frag_prefs = req['headers'].get('X-Backend-Fragment-Preferences')
if not (frag_prefs or resp_frag.get('durable', True)):
return StubResponse(404)
# prepare durable timestamp and backend frags header for this node
obj_stub = resp_frag['obj']
ts2frags = defaultdict(list)
durable_timestamp = None
for frag in frags:
ts_frag = frag['obj']['timestamp']
if frag.get('durable', True):
durable_timestamp = ts_frag.internal
ts2frags[ts_frag].append(frag['frag'])
try:
body = obj_stub['frags'][resp_frag['frag']]
except IndexError as err:
raise Exception(
'Frag index %s not defined: node index %s, frags %r\n%s' %
(resp_frag['frag'], node_index, [f['frag'] for f in frags],
err))
headers = {
'X-Object-Sysmeta-Ec-Content-Length': len(obj_stub['body']),
'X-Object-Sysmeta-Ec-Etag': obj_stub['etag'],
'X-Object-Sysmeta-Ec-Frag-Index':
policy.get_backend_index(resp_frag['frag']),
'X-Backend-Timestamp': obj_stub['timestamp'].internal,
'X-Timestamp': obj_stub['timestamp'].normal,
'X-Backend-Data-Timestamp': obj_stub['timestamp'].internal,
'X-Backend-Fragments':
server._make_backend_fragments_header(ts2frags)
}
if durable_timestamp:
headers['X-Backend-Durable-Timestamp'] = durable_timestamp
return StubResponse(200, body, headers)
