def get(cls, queue_names=frozenset()):
"""Returns a 2-tuple: (list of push _QueueInfo, list of pull _QueueInfo)."""
fetch_queue_request = taskqueue_service_pb.TaskQueueFetchQueuesRequest()
fetch_queue_request.set_max_rows(1000)
fetch_queue_response = taskqueue_service_pb.TaskQueueFetchQueuesResponse()
apiproxy_stub_map.MakeSyncCall('taskqueue',
'FetchQueues',
fetch_queue_request,
fetch_queue_response)
queue_stats_request = taskqueue_service_pb.TaskQueueFetchQueueStatsRequest()
for queue in fetch_queue_response.queue_list():
queue_stats_request.add_queue_name(queue.queue_name())
queue_stats_response = (
taskqueue_service_pb.TaskQueueFetchQueueStatsResponse())
apiproxy_stub_map.MakeSyncCall('taskqueue',
'FetchQueueStats',
queue_stats_request,
queue_stats_response)
for queue, queue_stats in zip(
fetch_queue_response.queue_list(),
queue_stats_response.queuestats_list()):
if queue_names and queue.queue_name() not in queue_names:
continue
yield cls._from_queue_and_stats(queue, queue_stats)
def test_get(self):
fetch_queue_request = taskqueue_service_pb.TaskQueueFetchQueuesRequest(
)
fetch_queue_request.set_max_rows(1000)
fetch_queue_response = taskqueue_service_pb.TaskQueueFetchQueuesResponse(
)
queue1 = fetch_queue_response.add_queue()
queue1.set_queue_name('queue1')
queue1.set_mode(taskqueue_service_pb.TaskQueueMode.PUSH)
queue1.set_user_specified_rate('20/s')
queue1.set_bucket_capacity(10)
queue2 = fetch_queue_response.add_queue()
queue2.set_queue_name('queue2')
queue2.set_mode(taskqueue_service_pb.TaskQueueMode.PULL)
queue2.set_user_specified_rate('20/s')
queue2.set_bucket_capacity(10)
apiproxy_stub_map.MakeSyncCall('taskqueue',
'FetchQueues', fetch_queue_request,
mox.IgnoreArg()).WithSideEffects(
lambda _, _1, _2, response: response
.CopyFrom(fetch_queue_response))
queue_stats_request = taskqueue_service_pb.TaskQueueFetchQueueStatsRequest(
)
queue_stats_request.add_queue_name('queue1')
queue_stats_request.add_queue_name('queue2')
queue_stats_response = (
taskqueue_service_pb.TaskQueueFetchQueueStatsResponse())
queue_stats1 = queue_stats_response.add_queuestats()
queue_stats1.set_num_tasks(20)
queue_stats1.set_oldest_eta_usec(-1)
queue_stats2 = queue_stats_response.add_queuestats()
queue_stats2.set_num_tasks(50)
queue_stats2.set_oldest_eta_usec(1234567890)
apiproxy_stub_map.MakeSyncCall('taskqueue',
'FetchQueueStats', queue_stats_request,
mox.IgnoreArg()).WithSideEffects(
lambda _, _1, _2, response: response
.CopyFrom(queue_stats_response))
self.mox.ReplayAll()
queues = list(taskqueue_utils.QueueInfo.get())
self.mox.VerifyAll()
self.assertEqual('queue1', queues[0].name)
self.assertEqual('queue2', queues[1].name)
def fetch_queue_stats(self, app_id, http_data):
""" Gets statistics about tasks in queues.
Args:
app_id: The application ID.
http_data: The payload containing the protocol buffer request.
Returns:
A tuple of a encoded response, error code, and error detail.
"""
epoch = datetime.datetime.utcfromtimestamp(0)
request = taskqueue_service_pb.TaskQueueFetchQueueStatsRequest(
http_data)
response = taskqueue_service_pb.TaskQueueFetchQueueStatsResponse()
for queue_name in request.queue_name_list():
try:
queue = self.get_queue(app_id, queue_name)
except QueueNotFound as error:
return '', TaskQueueServiceError.UNKNOWN_QUEUE, str(error)
stats_response = response.add_queuestats()
if isinstance(queue, (PullQueue, PostgresPullQueue)):
num_tasks = queue.total_tasks()
oldest_eta = queue.oldest_eta()
else:
num_tasks = TaskName.all().\
filter("state =", tq_lib.TASK_STATES.QUEUED).\
filter("queue =", queue_name).\
filter("app_id =", app_id).count()
# This is not supported for push queues yet.
oldest_eta = None
# -1 is used to indicate an absence of a value.
oldest_eta_usec = (int((oldest_eta - epoch).total_seconds() *
1000000) if oldest_eta else -1)
stats_response.set_num_tasks(num_tasks)
stats_response.set_oldest_eta_usec(oldest_eta_usec)
return response.Encode(), 0, ""
