def update_params(self, argv):
# type: (list) -> None
""" Constructs a configuration description for the piper worker using
the arguments.
:param argv: arguments from the command line.
:return: None
"""
set_temporary_directory(argv[1], create_tmpdir=False)
if argv[2] == 'true':
context.enable_nesting()
self.nesting = True
self.debug = argv[3] == 'true'
self.tracing = argv[4] == '1'
self.storage_conf = argv[5]
self.stream_backend = argv[6]
self.stream_master_name = argv[7]
self.stream_master_port = argv[8]
self.tasks_x_node = int(argv[9])
in_pipes = argv[10:10 + self.tasks_x_node]
out_pipes = argv[10 + self.tasks_x_node:-2]
if self.debug:
assert self.tasks_x_node == len(in_pipes)
assert self.tasks_x_node == len(out_pipes)
self.pipes = []
for i in range(0, self.tasks_x_node):
self.pipes.append(Pipe(in_pipes[i], out_pipes[i]))
self.control_pipe = Pipe(argv[-2], argv[-1])
def generate_report(self, target_path):
# type: (str) -> None
""" Generates a plot reporting the behaviour of the object tracker.
Uses the self.report_info internal variable contents.
:param target_path: Path where to store the report.
:return: None
"""
try:
import matplotlib # noqa
matplotlib.use('Agg') # avoid issues in MN
import matplotlib.pyplot as plt # noqa
except ImportError:
print("WARNING: Could not generate the Object Tracker report")
print("REASON : matplotlib not available.")
return None
if __debug__:
logger.debug("Generating object tracker report...")
x = [status[0] for status in self.reporting_info]
y = [status[1] for status in self.reporting_info]
plt.xlabel("Time (seconds)")
plt.ylabel("# Elements")
plt.title("Object tracker behaviour")
labels = [
'File names', 'Pending to synchronize', 'Updated mappings', 'IDs',
'Addresses'
]
for i in range(len(y[0])):
plt.plot(x, [pt[i] for pt in y], label='%s' % labels[i])
plt.legend()
target = os.path.join(target_path, "object_tracker.png")
plt.savefig(target)
if __debug__:
logger.debug("Object tracker report stored in " + target)
def get_task_params(num_params, logger, args): # noqa
# type: (int, ..., list) -> list
""" Get and prepare the input parameters from string to lists.
:param num_params: Number of parameters
:param logger: Logger
:param args: Arguments (complete list of parameters with type, stream,
prefix and value)
:return: A list of TaskParameter objects
"""
pos = 0
ret = []
for i in range(0, num_params):
p_type = int(args[pos])
p_stream = int(args[pos + 1])
p_prefix = args[pos + 2]
p_name = args[pos + 3]
p_c_type = args[pos + 4]
p_value = args[pos + 5]
if __debug__:
logger.debug("Parameter : %s" % str(i))
logger.debug("\t * Type : %s" % str(p_type))
logger.debug("\t * Std IO Stream : %s" % str(p_stream))
logger.debug("\t * Prefix : %s" % str(p_prefix))
logger.debug("\t * Name : %s" % str(p_name))
logger.debug("\t * Content Type: %r" % p_c_type)
logger.debug("\t * Value: %r" % p_value)
task_param, offset = build_task_parameter(p_type,
p_stream,
p_prefix,
p_name,
p_value,
p_c_type,
args,
pos, logger)
if __debug__:
logger.debug("\t * Type : %s" % str(task_param.content_type))
ret.append(task_param)
pos += offset + 6
return ret
def _get_return_values_for_exception(types, values):
# type: (list, list) -> list
""" Builds the values list to retrieve on an exception.
It takes the input types and returns a list of 'null' for each type
unless it is a PSCO, where it puts the psco identifier.
:param types: List of input types.
:param values: List of input values.
:return: List of values to return
"""
new_values = []
for i in range(len(types)):
if types[i] == parameter.TYPE.EXTERNAL_PSCO:
new_values.append(values[i])
else:
new_values.append('null')
return new_values
def compss_persistent_worker(config):
# type: (PiperWorkerConfiguration) -> None
""" Persistent worker main function.
Retrieves the initial configuration and spawns the worker processes.
:param config: Piper Worker Configuration description.
:return: None
"""
pids = COMM.gather(str(os.getpid()), root=0)
# Catch SIGTERM sent by bindings_piper
signal.signal(signal.SIGTERM, shutdown_handler)
# Catch SIGUSER2 to solve strange behaviour with mpi4py
signal.signal(signal.SIGUSR2, user_signal_handler)
# Set the binding in worker mode
import pycompss.util.context as context
context.set_pycompss_context(context.WORKER)
persistent_storage = (config.storage_conf != 'null')
logger, _, _ = load_loggers(config.debug, persistent_storage)
if __debug__:
logger.debug(HEADER + "mpi_piper_worker.py rank: " + str(RANK) +
" wake up")
config.print_on_logger(logger)
# Start storage
if persistent_storage:
# Initialize storage
if __debug__:
logger.debug(HEADER + "Starting persistent storage")
from storage.api import initWorker as initStorageAtWorker # noqa
initStorageAtWorker(config_file_path=config.storage_conf)
for i in range(0, config.tasks_x_node):
child_in_pipe = config.pipes[i].input_pipe
try:
child_pid = pids[i + 1]
except IndexError:
child_pid = pids[i]
PROCESSES[child_in_pipe] = child_pid
if __debug__:
logger.debug(HEADER + "Starting alive")
logger.debug(HEADER + "Control pipe: " + str(config.control_pipe))
# Read command from control pipe
alive = True
control_pipe = config.control_pipe
while alive:
command = control_pipe.read_command()
if command != "":
line = command.split()
if line[0] == ADD_EXECUTOR_TAG:
in_pipe = line[1]
out_pipe = line[2]
control_pipe.write(" ".join(
(ADD_EXECUTOR_FAILED_TAG, out_pipe, in_pipe, str(0))))
elif line[0] == REMOVE_EXECUTOR_TAG:
in_pipe = line[1]
out_pipe = line[2]
PROCESSES.pop(in_pipe, None)
control_pipe.write(" ".join(
(REMOVED_EXECUTOR_TAG, out_pipe, in_pipe)))
elif line[0] == QUERY_EXECUTOR_ID_TAG:
in_pipe = line[1]
out_pipe = line[2]
pid = PROCESSES.get(in_pipe)
control_pipe.write(" ".join(
(REPLY_EXECUTOR_ID_TAG, out_pipe, in_pipe, str(pid))))
elif line[0] == CANCEL_TASK_TAG:
in_pipe = line[1]
pid = PROCESSES.get(in_pipe)
logger.debug(HEADER + "Signaling process with PID " + pid +
" to cancel a task")
os.kill(
int(pid),
signal.SIGUSR2) # NOSONAR cancellation produced by COMPSs
elif line[0] == PING_TAG:
control_pipe.write(PONG_TAG)
elif line[0] == QUIT_TAG:
alive = False
else:
logger.debug(HEADER + "ERROR: UNKNOWN COMMAND: " + command)
alive = False
# Stop storage
if persistent_storage:
# Finish storage
logger.debug(HEADER + "Stopping persistent storage")
from storage.api import finishWorker as finishStorageAtWorker # noqa
finishStorageAtWorker()
if __debug__:
logger.debug(HEADER + "Finished")
control_pipe.write(QUIT_TAG)
control_pipe.close()
def compss_persistent_worker(config):
# type: (PiperWorkerConfiguration) -> None
""" Persistent worker main function.
Retrieves the initial configuration and spawns the worker processes.
:param config: Piper Worker Configuration description.
:return: None
"""
global CACHE
global CACHE_PROCESS
# Catch SIGTERM sent by bindings_piper
signal.signal(signal.SIGTERM, shutdown_handler)
# Set the binding in worker mode
context.set_pycompss_context(context.WORKER)
persistent_storage = (config.storage_conf != 'null')
logger, logger_cfg, storage_loggers = load_loggers(config.debug,
persistent_storage)
if __debug__:
logger.debug(HEADER + "piper_worker.py wake up")
config.print_on_logger(logger)
if persistent_storage:
# Initialize storage
logger.debug(HEADER + "Starting persistent storage")
with event(INIT_STORAGE_AT_WORKER_EVENT):
from storage.api import initWorker as initStorageAtWorker # noqa
initStorageAtWorker(config_file_path=config.storage_conf)
# Create new processes
queues = []
# Setup cache
if is_cache_enabled(config.cache):
# Deploy the necessary processes
CACHE = True
cache_params = start_cache(logger, config.cache)
else:
# No cache
CACHE = False
cache_params = (None, None, None, None)
smm, CACHE_PROCESS, cache_queue, cache_ids = cache_params
# Create new executor processes
conf = ExecutorConf(TRACING, config.storage_conf, logger, logger_cfg,
storage_loggers, config.stream_backend,
config.stream_master_name, config.stream_master_port,
cache_ids, cache_queue)
for i in range(0, config.tasks_x_node):
if __debug__:
logger.debug(HEADER + "Launching process " + str(i))
process_name = "".join(("Process-", str(i)))
pid, queue = create_executor_process(process_name, conf,
config.pipes[i])
queues.append(queue)
# Read command from control pipe
alive = True
process_counter = config.tasks_x_node
control_pipe = config.control_pipe
while alive:
command = control_pipe.read_command(retry_period=1)
if command != "":
line = command.split()
if line[0] == ADD_EXECUTOR_TAG:
process_name = "".join(("Process-", str(process_counter)))
process_counter = process_counter + 1
in_pipe = line[1]
out_pipe = line[2]
pipe = Pipe(in_pipe, out_pipe)
pid, queue = create_executor_process(process_name, conf, pipe)
queues.append(queue)
control_pipe.write(" ".join(
(ADDED_EXECUTOR_TAG, out_pipe, in_pipe, str(pid))))
elif line[0] == QUERY_EXECUTOR_ID_TAG:
in_pipe = line[1]
out_pipe = line[2]
proc = PROCESSES.get(in_pipe)
pid = proc.pid
control_pipe.write(" ".join(
(REPLY_EXECUTOR_ID_TAG, out_pipe, in_pipe, str(pid))))
elif line[0] == CANCEL_TASK_TAG:
in_pipe = line[1]
proc = PROCESSES.get(in_pipe)
pid = proc.pid
if __debug__:
logger.debug(HEADER + "Signaling process with PID " +
str(pid) + " to cancel a task")
os.kill(
pid,
signal.SIGUSR2) # NOSONAR cancellation produced by COMPSs
elif line[0] == REMOVE_EXECUTOR_TAG:
in_pipe = line[1]
out_pipe = line[2]
proc = PROCESSES.pop(in_pipe, None)
if proc:
if proc.is_alive():
logger.warn(HEADER + "Forcing terminate on : " +
proc.name)
proc.terminate()
proc.join()
control_pipe.write(" ".join(
(REMOVED_EXECUTOR_TAG, out_pipe, in_pipe)))
elif line[0] == PING_TAG:
control_pipe.write(PONG_TAG)
elif line[0] == QUIT_TAG:
alive = False
# Wait for all threads
for proc in PROCESSES.values():
proc.join()
# Check if there is any exception message from the threads
for i in range(0, config.tasks_x_node):
if not queues[i].empty:
logger.error(HEADER + "Exception in threads queue: " +
str(queues[i].get()))
for queue in queues:
queue.close()
queue.join_thread()
if CACHE:
stop_cache(smm, cache_queue, CACHE_PROCESS) # noqa
if persistent_storage:
# Finish storage
if __debug__:
logger.debug(HEADER + "Stopping persistent storage")
with event(FINISH_STORAGE_AT_WORKER_EVENT):
from storage.api import finishWorker as finishStorageAtWorker # noqa
finishStorageAtWorker()
if __debug__:
logger.debug(HEADER + "Finished")
control_pipe.write(QUIT_TAG)
control_pipe.close()
def build_task_parameter(
p_type, # type: int
p_stream, # type: int
p_prefix, # type: str
p_name, # type: str
p_value, # type: object
p_c_type, # type: str
args=None, # type: list
pos=None, # type: int
logger=None # noqa # type: ...
):
# type: (...) -> (Parameter, int)
"""
Build task parameter object from the given parameters.
:param p_type: Parameter type.
:param p_stream: Parameter stream.
:param p_prefix: Parameter prefix.
:param p_name: Parameter name.
:param p_value: Parameter value.
:param p_c_type: Parameter Python Type.
:param args: Arguments (Default: None).
:param pos: Position (Default: None).
:param logger: Logger where to push the logging messages.
:return: Parameter object and the number fo substrings.
"""
num_substrings = 0
if p_type in [
parameter.TYPE.FILE, parameter.TYPE.DIRECTORY,
parameter.TYPE.COLLECTION, parameter.TYPE.DICT_COLLECTION
]:
# Maybe the file is a object, we do not care about this here
# We will decide whether to deserialize or to forward the value
# when processing parameters in the task decorator
_param = Parameter(name=p_name,
content_type=p_type,
stream=p_stream,
prefix=p_prefix,
file_name=COMPSsFile(p_value),
extra_content_type=p_c_type)
return _param, 0
elif p_type == parameter.TYPE.EXTERNAL_PSCO:
# Next position contains R/W but we do not need it. Currently skipped.
return Parameter(content=p_value,
content_type=p_type,
stream=p_stream,
prefix=p_prefix,
name=p_name,
extra_content_type=p_c_type), 1
elif p_type == parameter.TYPE.EXTERNAL_STREAM:
# Next position contains R/W but we do not need it. Currently skipped.
return Parameter(content_type=p_type,
stream=p_stream,
prefix=p_prefix,
name=p_name,
file_name=COMPSsFile(p_value),
extra_content_type=p_c_type), 1
elif p_type == parameter.TYPE.STRING:
if args is not None:
num_substrings = int(p_value) # noqa
aux_str = []
for j in range(6, num_substrings + 6):
aux_str.append(args[pos + j])
aux = " ".join(aux_str)
else:
aux = str(p_value)
# Decode the received string
# Note that we prepend a sharp to all strings in order to avoid
# getting empty encodings in the case of empty strings, so we need
# to remove it when decoding
aux = base64.b64decode(aux.encode())
aux = aux[1:]
if aux:
#######
# Check if the string is really an object
# Required in order to recover objects passed as parameters.
# - Option object_conversion
real_value = aux
try:
# try to recover the real object
if IS_PYTHON3:
# decode removes double backslash, and encode returns
# the result as binary
p_bin_str = aux.decode(STR_ESCAPE).encode()
aux = deserialize_from_string(p_bin_str,
show_exception=False)
else:
# decode removes double backslash, and str casts the output
aux = deserialize_from_string(str(aux.decode(STR_ESCAPE)),
show_exception=False)
except (SerializerException, ValueError, EOFError):
# was not an object
aux = str(real_value.decode())
#######
if IS_PYTHON3 and isinstance(aux, bytes):
aux = aux.decode('utf-8')
if __debug__:
logger.debug("\t * Value: %s" % aux)
return Parameter(content_type=p_type,
stream=p_stream,
prefix=p_prefix,
name=p_name,
content=aux,
extra_content_type=p_c_type), num_substrings
else:
# Basic numeric types. These are passed as command line arguments
# and only a cast is needed
val = None
if p_type == parameter.TYPE.INT:
val = int(p_value) # noqa
elif p_type == parameter.TYPE.LONG:
val = PYCOMPSS_LONG(p_value)
if val > JAVA_MAX_INT or val < JAVA_MIN_INT:
# A Python in parameter was converted to a Java long to prevent
# overflow. We are sure we will not overflow Python int,
# otherwise this would have been passed as a serialized object.
val = int(val)
elif p_type == parameter.TYPE.DOUBLE:
val = float(p_value) # noqa
p_type = parameter.TYPE.FLOAT
if __debug__:
logger.debug("Changing type from DOUBLE to FLOAT")
elif p_type == parameter.TYPE.BOOLEAN:
val = (p_value == 'true')
return Parameter(content=val,
content_type=p_type,
stream=p_stream,
prefix=p_prefix,
name=p_name,
extra_content_type=p_c_type), 0
def execute_task(
process_name, # type: str
storage_conf, # type: str
params, # type: list
tracing, # type: bool
logger, # type: ...
logger_cfg, # type: str
log_files, # type: tuple
python_mpi=False, # type: bool
collections_layouts=None, # type: list
cache_queue=None, # type: ...
cache_ids=None, # type: ...
):
# type: (...) -> (str, list, list, bool, str)
""" ExecuteTask main method.
:param process_name: Process name.
:param storage_conf: Storage configuration file path.
:param params: List of parameters.
:param tracing: Tracing flag.
:param logger: Logger to use.
:param logger_cfg: Logger configuration file
:param log_files: Tuple with (out filename, err filename).
None to avoid stdout and sdterr fd redirection.
:param python_mpi: If it is a MPI task.
:param collections_layouts: collections layouts for python MPI tasks
:param cache_queue: Cache tracker communication queue
:param cache_ids: Cache proxy dictionary (read-only)
:return: updated_args, exit_code, new_types, new_values, timed_out
and except_msg
"""
if __debug__:
logger.debug("BEGIN TASK execution in %s" % process_name)
persistent_storage = False
if storage_conf != 'null':
persistent_storage = True
# Retrieve the parameters from the params argument
path = params[0]
method_name = params[1]
num_slaves = int(params[3])
time_out = int(params[2])
slaves = []
for i in range(3, 3 + num_slaves):
slaves.append(params[i])
arg_position = 4 + num_slaves
args = params[arg_position:]
cus = args[0] # noqa
args = args[1:]
has_target = args[0]
# Next parameter: return_type = args[1]
return_length = int(args[2])
num_params = int(args[3])
args = args[4:]
# COMPSs keywords for tasks (ie: tracing, process name...)
# compss_key is included to be checked in the @task decorator, so that
# the task knows if it has been called from the worker or from the
# user code (reason: ignore @task decorator if called from another task
# or decide if submit to runtime if nesting is enabled).
compss_kwargs = {
'compss_key': True,
'compss_tracing': tracing,
'compss_process_name': process_name,
'compss_storage_conf': storage_conf,
'compss_return_length': return_length,
'compss_logger': logger,
'compss_log_cfg': logger_cfg,
'compss_log_files': log_files,
'compss_python_MPI': python_mpi,
'compss_collections_layouts': collections_layouts,
'cache_queue': cache_queue,
'cache_ids': cache_ids
}
if __debug__:
logger.debug("COMPSs parameters:")
logger.debug("\t- Storage conf: %s" % str(storage_conf))
if log_files:
logger.debug("\t- Log out file: %s" % str(log_files[0]))
logger.debug("\t- Log err file: %s" % str(log_files[1]))
else:
logger.debug("\t- Log out and err not redirected")
logger.debug("\t- Params: %s" % str(params))
logger.debug("\t- Path: %s" % str(path))
logger.debug("\t- Method name: %s" % str(method_name))
logger.debug("\t- Num slaves: %s" % str(num_slaves))
logger.debug("\t- Slaves: %s" % str(slaves))
logger.debug("\t- Cus: %s" % str(cus))
logger.debug("\t- Has target: %s" % str(has_target))
logger.debug("\t- Num Params: %s" % str(num_params))
logger.debug("\t- Return Length: %s" % str(return_length))
logger.debug("\t- Args: %r" % args)
logger.debug("\t- COMPSs kwargs:")
for k, v in compss_kwargs.items():
logger.debug("\t\t- %s: %s" % (str(k), str(v)))
# Get all parameter values
if __debug__:
logger.debug("Processing parameters:")
# logger.debug(args)
values = get_task_params(num_params, logger, args)
types = [x.content_type for x in values]
if __debug__:
logger.debug("RUN TASK with arguments:")
logger.debug("\t- Path: %s" % path)
logger.debug("\t- Method/function name: %s" % method_name)
logger.debug("\t- Has target: %s" % str(has_target))
logger.debug("\t- # parameters: %s" % str(num_params))
# Next parameters are the values:
# logger.debug("\t- Values:")
# for v in values:
# logger.debug("\t\t %r" % v)
# logger.debug("\t- COMPSs types:")
# for t in types:
# logger.debug("\t\t %s" % str(t))
import_error = False
if __debug__:
logger.debug("LOAD TASK:")
try:
# Try to import the module (for functions)
if __debug__:
logger.debug("\t- Trying to import the user module: %s" % path)
module = import_user_module(path, logger)
except ImportError:
if __debug__:
msg = "\t- Could not import the module. Reason: Method in class."
logger.debug(msg)
import_error = True
if __debug__:
logger.debug("EXECUTE TASK:")
if not import_error:
# Module method declared as task
result = task_execution(logger, process_name, module, method_name,
time_out, types, values, compss_kwargs,
persistent_storage, storage_conf)
exit_code = result[0]
new_types = result[1]
new_values = result[2]
# Next result: target_direction = result[3]
timed_out = result[4]
except_msg = result[5]
else:
# Method declared as task in class
# Not the path of a module, it ends with a class name
class_name = path.split('.')[-1]
if '.' in path:
module_name = '.'.join(path.split('.')[0:-1])
else:
module_name = path
try:
module = __import__(module_name, fromlist=[class_name])
klass = getattr(module, class_name)
except Exception: # noqa
exc_type, exc_value, exc_traceback = sys.exc_info()
lines = traceback.format_exception(exc_type, exc_value,
exc_traceback)
logger.exception("EXCEPTION IMPORTING MODULE IN %s" % process_name)
logger.exception(''.join(line for line in lines))
return 1, [], [], False, None, []
if __debug__:
logger.debug("Method in class %s of module %s" %
(class_name, module_name))
logger.debug("Has target: %s" % str(has_target))
if has_target == 'true':
# Instance method
# The self object needs to be an object in order to call the
# function. So, it can not be done in the @task decorator.
# Since the args structure is parameters + self + returns we pop
# the corresponding considering the return_length notified by the
# runtime (-1 due to index starts from 0).
self_index = num_params - return_length - 1
self_elem = values.pop(self_index)
self_type = types.pop(self_index)
if self_type == parameter.TYPE.EXTERNAL_PSCO:
if __debug__:
logger.debug("Last element (self) is a PSCO with id: %s" %
str(self_elem.content))
obj = get_by_id(self_elem.content)
else:
obj = None
file_name = None
if self_elem.content is None:
file_name = self_elem.file_name.original_path
if __debug__:
logger.debug("\t- Deserialize self from file.")
try:
obj = deserialize_from_file(file_name)
except Exception: # noqa
exc_type, exc_value, exc_traceback = sys.exc_info()
lines = traceback.format_exception(
exc_type, exc_value, exc_traceback)
logger.exception("EXCEPTION DESERIALIZING SELF IN %s" %
process_name) # noqa: E501
logger.exception(''.join(line for line in lines))
return 1, [], [], False, None, []
if __debug__:
logger.debug("Deserialized self object is: %s" %
self_elem.content)
logger.debug(
"Processing callee, a hidden object of %s in file %s"
% # noqa: E501
(file_name, type(self_elem.content)))
values.insert(0, obj) # noqa
if not self_type == parameter.TYPE.EXTERNAL_PSCO:
types.insert(0, parameter.TYPE.OBJECT)
else:
types.insert(0, parameter.TYPE.EXTERNAL_PSCO)
result = task_execution(logger, process_name, klass, method_name,
time_out, types, values, compss_kwargs,
persistent_storage, storage_conf)
exit_code = result[0]
new_types = result[1]
new_values = result[2]
target_direction = result[3]
timed_out = result[4]
except_msg = result[5]
# Depending on the target_direction option, it is necessary to
# serialize again self or not. Since this option is only visible
# within the task decorator, the task_execution returns the value
# of target_direction in order to know here if self has to be
# serialized. This solution avoids to use inspect.
if target_direction is not None and \
(target_direction.direction == parameter.DIRECTION.INOUT or
target_direction.direction == parameter.DIRECTION.COMMUTATIVE): # noqa: E501
if is_psco(obj):
# There is no explicit update if self is a PSCO.
# Consequently, the changes on the PSCO must have been
# pushed into the storage automatically on each PSCO
# modification.
if __debug__:
logger.debug("The changes on the PSCO must have been" +
" automatically updated by the storage.")
else:
if __debug__:
logger.debug("Serializing self to file: %s" %
file_name)
try:
serialize_to_file(obj, file_name)
except Exception: # noqa
# Catch any serialization exception
exc_type, exc_value, exc_traceback = sys.exc_info()
lines = traceback.format_exception(
exc_type, exc_value, exc_traceback)
logger.exception("EXCEPTION SERIALIZING SELF IN %s" %
process_name) # noqa: E501
logger.exception(''.join(line for line in lines))
exit_code = 1
if __debug__:
logger.debug("Obj: %r" % obj)
else:
# Class method - class is not included in values (e.g. values=[7])
types.append(None) # class must be first type
result = task_execution(logger, process_name, klass, method_name,
time_out, types, values, compss_kwargs,
persistent_storage, storage_conf)
exit_code = result[0]
new_types = result[1]
new_values = result[2]
# Next return: target_direction = result[3]
timed_out = result[4]
except_msg = result[5]
if __debug__:
if exit_code != 0:
logger.debug("EXECUTE TASK FAILED: Exit code: %s" % str(exit_code))
else:
logger.debug("END TASK execution. Status: Ok")
return exit_code, new_types, new_values, timed_out, except_msg