def get_index(task_ex):
f = lambda x: (
x.accepted or
states.is_running(x.state) or
states.is_idle(x.state)
)
return len(list(filter(f, task_ex.executions)))
def _get_next_start_index(self):
f = lambda x: (
x.accepted or
states.is_running(x.state) or
states.is_idle(x.state)
)
return len(list(filter(f, self.task_ex.executions)))
def _get_next_start_index(self):
f = lambda x: (
x.accepted or
states.is_running(x.state) or
states.is_idle(x.state)
)
return len(list(filter(f, self.task_ex.executions)))
def _on_action_update(action_ex):
"""Handles action update event.
:param action_ex: Action execution.
"""
task_ex = action_ex.task_execution
if not task_ex:
return
task_spec = spec_parser.get_task_spec(task_ex.spec)
wf_ex = task_ex.workflow_execution
task = _create_task(
wf_ex,
spec_parser.get_workflow_spec_by_execution_id(wf_ex.id),
task_spec,
task_ex.in_context,
task_ex
)
try:
task.on_action_update(action_ex)
if states.is_paused(action_ex.state):
wf_handler.pause_workflow(wf_ex)
if states.is_running(action_ex.state):
# If any subworkflow of the parent workflow is paused,
# then keep the parent workflow execution paused.
for task_ex in wf_ex.task_executions:
if states.is_paused(task_ex.state):
return
# Otherwise if no other subworkflow is paused,
# then resume the parent workflow execution.
wf_handler.resume_workflow(wf_ex)
except exc.MistralException as e:
wf_ex = task_ex.workflow_execution
msg = ("Failed to handle action update [error=%s, wf=%s, task=%s,"
" action=%s]:\n%s" %
(e, wf_ex.name, task_ex.name, action_ex.name, tb.format_exc()))
LOG.error(msg)
task.set_state(states.ERROR, msg)
wf_handler.force_fail_workflow(wf_ex, msg)
return
def _on_action_update(action_ex):
"""Handles action update event.
:param action_ex: Action execution.
"""
task_ex = action_ex.task_execution
if not task_ex:
return
task_spec = spec_parser.get_task_spec(task_ex.spec)
wf_ex = task_ex.workflow_execution
task = _create_task(
wf_ex,
spec_parser.get_workflow_spec_by_execution_id(wf_ex.id),
task_spec,
task_ex.in_context,
task_ex
)
try:
task.on_action_update(action_ex)
if states.is_paused(action_ex.state):
wf_handler.pause_workflow(wf_ex)
if states.is_running(action_ex.state):
# If any subworkflow of the parent workflow is paused,
# then keep the parent workflow execution paused.
for task_ex in wf_ex.task_executions:
if states.is_paused(task_ex.state):
return
# Otherwise if no other subworkflow is paused,
# then resume the parent workflow execution.
wf_handler.resume_workflow(wf_ex)
except exc.MistralException as e:
wf_ex = task_ex.workflow_execution
msg = ("Failed to handle action update [error=%s, wf=%s, task=%s,"
" action=%s]:\n%s" %
(e, wf_ex.name, task_ex.name, action_ex.name, tb.format_exc()))
force_fail_task(task_ex, msg, task=task)
return
_check_affected_tasks(task)
