def _send_and_receive(self,
request,
timeout=app.config.get('INSTANCE_TIMEOUT', 10000),
quiet=False,
**kwargs):
logger = logging.getLogger(__name__)
with self.socket(self.context) as socket:
try:
request.request_id = flask.request.id
except RuntimeError:
# we aren't in a flask context, so there is no request
if 'flask_request_id' in kwargs:
request.request_id = kwargs['flask_request_id']
socket.send(request.SerializeToString())
if socket.poll(timeout=timeout) > 0:
pb = socket.recv()
resp = response_pb2.Response()
resp.ParseFromString(pb)
self.update_property(
resp
) # we update the timezone and geom of the instances at each request
return resp
else:
socket.setsockopt(zmq.LINGER, 0)
socket.close()
if not quiet:
logger.error('request on %s failed: %s', self.socket_path,
six.text_type(request))
raise DeadSocketException(self.name, self.socket_path)
def _send_and_receive(self, request, quiet=False, **kwargs):
logger = logging.getLogger(__name__)
deadline = datetime.utcnow() + timedelta(milliseconds=self.timeout)
request.deadline = deadline.strftime('%Y%m%dT%H%M%S,%f')
with self.socket(self.context) as socket:
if 'request_id' in kwargs and kwargs['request_id']:
request.request_id = kwargs['request_id']
else:
try:
request.request_id = flask.request.id
except RuntimeError:
# we aren't in a flask context, so there is no request
if 'flask_request_id' in kwargs and kwargs['flask_request_id']:
request.request_id = kwargs['flask_request_id']
socket.send(request.SerializeToString())
if socket.poll(timeout=self.timeout) > 0:
pb = socket.recv()
resp = response_pb2.Response()
resp.ParseFromString(pb)
return resp
else:
socket.setsockopt(zmq.LINGER, 0)
socket.close()
if not quiet:
logger.error('request on %s failed: %s', self.zmq_socket, six.text_type(request))
raise DeadSocketException(self.name, self.zmq_socket)
def send_and_receive(self, *args, **kwargs):
"""
encapsulate all call to kraken in a circuit breaker, this way we don't loose time calling dead instance
"""
try:
return self.breaker.call(self._send_and_receive, *args, **kwargs)
except pybreaker.CircuitBreakerError as e:
raise DeadSocketException(self.name, self.socket_path)
