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Query database running tasks after querying celery to prevent race

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condition that could cause us to think the task was orphaned
This commit is contained in:
Matthew Jones
2014-08-12 10:34:52 -04:00
parent aac6cc6a5a
commit 6dae240849
1 changed files with 4 additions and 3 deletions
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7
awx/main/management/commands/run_task_system.py
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@@ -142,9 +142,6 @@ def get_tasks():
def rebuild_graph(message): def rebuild_graph(message):
''' Regenerate the task graph by refreshing known tasks from Tower, purging orphaned running tasks, ''' Regenerate the task graph by refreshing known tasks from Tower, purging orphaned running tasks,
and creatingdependencies for new tasks before generating directed edge relationships between those tasks ''' and creatingdependencies for new tasks before generating directed edge relationships between those tasks '''
all_sorted_tasks = get_tasks()
if not len(all_sorted_tasks):
return None
inspector = inspect() inspector = inspect()
if not hasattr(settings, 'IGNORE_CELERY_INSPECTOR'): if not hasattr(settings, 'IGNORE_CELERY_INSPECTOR'):
@@ -153,6 +150,10 @@ def rebuild_graph(message):
print("Ignoring celery task inspector") print("Ignoring celery task inspector")
active_task_queues = None active_task_queues = None
all_sorted_tasks = get_tasks()
if not len(all_sorted_tasks):
return None
active_tasks = [] active_tasks = []
if active_task_queues is not None: if active_task_queues is not None:
for queue in active_task_queues: for queue in active_task_queues: