Github user mxmrlv commented on a diff in the pull request:
https://github.com/apache/incubator-ariatosca/pull/159#discussion_r123895803
--- Diff: aria/orchestrator/workflows/core/engine.py ---
@@ -129,16 +103,70 @@ def _handle_executable_task(self, ctx, task,
executing_tasks):
name=task.name
)
- executing_tasks.append(task)
-
if not task._stub_type:
events.sent_task_signal.send(op_ctx)
task_executor.execute(op_ctx)
@staticmethod
- def _handle_ended_tasks(ctx, task, executing_tasks):
- executing_tasks.remove(task)
+ def _handle_ended_tasks(task):
if task.status == models.Task.FAILED and not task.ignore_failure:
raise exceptions.ExecutorException('Workflow failed')
- else:
- ctx._graph.remove_node(task)
+
+
+class _TasksTracker(object):
+ def __init__(self, ctx):
+ self._ctx = ctx
+ self._tasks = ctx.execution.tasks
+ self._executed_tasks = [task for task in self._tasks if
task.has_ended()]
+ self._executable_tasks = list(set(self._tasks) -
set(self._executed_tasks))
+ self._executing_tasks = []
+
+ @property
+ def all_tasks_consumed(self):
+ return len(self._executed_tasks) == len(self._tasks) and
len(self._executing_tasks) == 0
+
+ def executing_(self, task):
+ # Task executing could be retrying (thus removed and added earlier)
+ if task not in self._executing_tasks:
+ self._executable_tasks.remove(task)
+ self._executing_tasks.append(task)
+
+ def finished_(self, task):
+ self._executing_tasks.remove(task)
+ self._executed_tasks.append(task)
+
+ @property
+ def ended_tasks(self):
+ for task in self.executing_tasks:
+ if task.has_ended():
+ yield task
+
+ @property
+ def executable_tasks(self):
+ now = datetime.utcnow()
+ # we need both list since retrying task are in the executing task
list.
--- End diff --
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