def _inform_subsystems(client, task, packager_result):
task_id = task.header.task_id
package_path, package_sha1 = packager_result
task.header.resource_size = os.path.getsize(package_path)
if client.config_desc.net_masking_enabled:
task.header.mask = _get_mask_for_task(
client=client,
task=task,
)
else:
task.header.mask = masking.Mask()
estimated_fee = client.transaction_system.eth_for_batch_payment(
task.get_total_tasks())
client.task_manager.add_new_task(task, estimated_fee=estimated_fee)
client_options = client.task_server.get_share_options(task_id, None)
client_options.timeout = common.deadline_to_timeout(task.header.deadline, )
resource_server_result = yield client.resource_server.add_task(
package_path,
package_sha1,
task_id,
task.header.resource_size,
client_options=client_options,
)
return resource_server_result
def restore_resources(self) -> None:
task_manager = getattr(self, 'task_manager')
if not task_manager.task_persistence:
return
states = dict(task_manager.tasks_states)
tasks = dict(task_manager.tasks)
for task_id, task_state in states.items():
# 'package_path' does not exist in version pre 0.15.1
package_path = getattr(task_state, 'package_path', None)
# There is a single zip package to restore
files = [package_path] if package_path else None
# Calculate timeout
task = tasks[task_id]
timeout = deadline_to_timeout(task.header.deadline)
logger.info("Restoring task '%s' resources (timeout: %r s)",
task_id, timeout)
logger.debug("%r", files)
self._restore_resources(files,
task_id,
resource_hash=task_state.resource_hash,
timeout=timeout)
def start(self, verifier_class) -> Deferred:
self.verifier = verifier_class(self.kwargs)
if deadline_to_timeout(self.deadline) > 0:
if self.verifier.simple_verification(self.kwargs):
return self.verifier.start_verification(self.kwargs)
return succeed(self.verifier.verification_completed())
else:
return succeed(self.verifier.task_timeout(self.subtask_id))
def task_given(self, ctd):
if self.assigned_subtask is not None:
logger.error("Trying to assign a task, when it's already assigned")
return False
self.wait(ttl=deadline_to_timeout(ctd['deadline']))
self.assigned_subtask = ctd
self.__request_resource(
ctd['task_id'],
ctd['subtask_id']
)
return True
def resource_given(self, task_id):
if task_id in self.task_to_subtask_mapping:
subtask_id = self.task_to_subtask_mapping[task_id]
if subtask_id in self.assigned_subtasks:
subtask = self.assigned_subtasks[subtask_id]
timeout = deadline_to_timeout(subtask.deadline)
self.__compute_task(subtask_id, subtask.docker_images,
subtask.src_code, subtask.extra_data,
subtask.short_description, timeout)
self.waiting_for_task = None
return True
else:
return False
def task_resource_collected(self, task_id, unpack_delta=True):
if task_id in self.task_to_subtask_mapping:
subtask_id = self.task_to_subtask_mapping[task_id]
if subtask_id in self.assigned_subtasks:
subtask = self.assigned_subtasks[subtask_id]
if unpack_delta:
self.task_server.unpack_delta(
self.dir_manager.get_task_resource_dir(task_id),
self.delta, task_id)
self.delta = None
self.last_task_timeout_checking = time.time()
self.__compute_task(subtask_id, subtask.docker_images,
subtask.src_code, subtask.extra_data,
subtask.short_description,
deadline_to_timeout(subtask.deadline))
return True
return False
def test_to_dictionary():
ss = SubtaskState()
ss.subtask_definition = "My long task definition"
ss.subtask_id = "ABCDEF"
ss.subtask_progress = 0.92
ss.time_started = get_timestamp_utc()
ss.deadline = timeout_to_deadline(ss.time_started + 5)
ss.extra_data = {"param1": 1323, "param2": "myparam"}
ss.subtask_rem_time = deadline_to_timeout(
ss.deadline) - ss.time_started
ss.subtask_status = SubtaskStatus.starting
ss.value = 138
ss.stdout = "path/to/file"
ss.stderr = "path/to/file2"
ss.results = ["path/to/file3", "path/to/file4"]
ss.computation_time = 130
ss.node_id = "NODE1"
ss_dict = ss.to_dictionary()
assert ss_dict['description'] == "My long task definition"
assert ss_dict['subtask_id'] == "ABCDEF"
assert ss_dict['progress'] == 0.92
assert ss_dict['time_started'] == get_timestamp_utc()
assert ss_dict.get('deadline') is None
assert ss_dict.get('extra_data') is None
assert ss_dict['time_remaining'] == 5
assert ss_dict['status'] == SubtaskStatus.starting.value
assert ss_dict.get('value') is None
assert ss_dict['stdout'] == "path/to/file"
assert ss_dict['stderr'] == "path/to/file2"
assert ss_dict['results'] == ["path/to/file3", "path/to/file4"]
assert ss_dict.get('computation_time') is None
assert ss_dict['node_id'] == "NODE1"
def test_deadline_to_timeout(self):
timeout = 10**10
ts = timeout_to_deadline(timeout)
new_timeout = deadline_to_timeout(ts)
assert 0 < new_timeout <= timeout
def __compute_task(self, subtask_id, docker_images,
src_code, extra_data, subtask_deadline):
task_id = self.assigned_subtask['task_id']
task_header = self.task_server.task_keeper.task_headers.get(task_id)
if not task_header:
logger.warning("Subtask '%s' of task '%s' cannot be computed: "
"task header has been unexpectedly removed",
subtask_id, task_id)
return self.session_closed()
deadline = min(task_header.deadline, subtask_deadline)
task_timeout = deadline_to_timeout(deadline)
unique_str = str(uuid.uuid4())
logger.info("Starting computation of subtask %r (task: %r, deadline: "
"%r, docker images: %r)", subtask_id, task_id, deadline,
docker_images)
self.reset(counting_task=task_id)
with self.dir_lock:
resource_dir = self.resource_manager.get_resource_dir(task_id)
temp_dir = os.path.join(
self.resource_manager.get_temporary_dir(task_id), unique_str)
# self.dir_manager.clear_temporary(task_id)
if not os.path.exists(temp_dir):
os.makedirs(temp_dir)
if docker_images:
docker_images = [DockerImage(**did) for did in docker_images]
dir_mapping = DockerTaskThread.generate_dir_mapping(resource_dir,
temp_dir)
tt = DockerTaskThread(subtask_id, docker_images,
src_code, extra_data,
dir_mapping, task_timeout)
elif self.support_direct_computation:
tt = PyTaskThread(subtask_id, src_code,
extra_data, resource_dir, temp_dir,
task_timeout)
else:
logger.error("Cannot run PyTaskThread in this version")
subtask = self.assigned_subtask
self.assigned_subtask = None
self.task_server.send_task_failed(
subtask_id,
subtask['task_id'],
"Host direct task not supported",
)
self.counting_task = None
if self.finished_cb:
self.finished_cb()
return
with self.lock:
self.counting_thread = tt
tt.start().addBoth(lambda _: self.task_computed(tt))
