def check_resource(self, cnxt, resource_id, current_traversal, data,
is_update, adopt_stack_data):
"""Process a node in the dependency graph.
The node may be associated with either an update or a cleanup of its
associated resource.
"""
in_data = sync_point.deserialize_input_data(data)
resource_data = node_data.load_resources_data(
in_data if is_update else {})
rsrc, rsrc_owning_stack, stack = check_resource.load_resource(
cnxt, resource_id, resource_data, current_traversal, is_update)
if rsrc is None:
return
msg_queue = eventlet.queue.LightQueue()
try:
self.thread_group_mgr.add_msg_queue(stack.id, msg_queue)
if current_traversal != stack.current_traversal:
LOG.debug('[%s] Traversal cancelled; re-trigerring.',
current_traversal)
self._retrigger_replaced(is_update, rsrc, stack, msg_queue)
else:
cr = check_resource.CheckResource(self.engine_id,
self._rpc_client,
self.thread_group_mgr,
msg_queue, in_data)
cr.check(cnxt, resource_id, current_traversal, resource_data,
is_update, adopt_stack_data, rsrc, stack)
finally:
self.thread_group_mgr.remove_msg_queue(None, stack.id, msg_queue)
def check_resource(self, cnxt, resource_id, current_traversal, data,
is_update, adopt_stack_data):
"""Process a node in the dependency graph.
The node may be associated with either an update or a cleanup of its
associated resource.
"""
in_data = sync_point.deserialize_input_data(data)
resource_data = node_data.load_resources_data(in_data if is_update
else {})
rsrc, rsrc_owning_stack, stack = check_resource.load_resource(
cnxt, resource_id, resource_data, is_update)
if rsrc is None:
return
msg_queue = eventlet.queue.LightQueue()
try:
self.thread_group_mgr.add_msg_queue(stack.id, msg_queue)
if current_traversal != stack.current_traversal:
LOG.debug('[%s] Traversal cancelled; re-trigerring.',
current_traversal)
self._retrigger_replaced(is_update, rsrc, stack, msg_queue)
else:
cr = check_resource.CheckResource(self.engine_id,
self._rpc_client,
self.thread_group_mgr,
msg_queue, in_data)
cr.check(cnxt, resource_id, current_traversal, resource_data,
is_update, adopt_stack_data, rsrc, stack)
finally:
self.thread_group_mgr.remove_msg_queue(None,
stack.id, msg_queue)