def notify(topic, message,
cluster_id=None, node_id=None, task_uuid=None):
if topic == 'discover' and node_id is None:
raise errors.CannotFindNodeIDForDiscovering(
"No node id in discover notification")
task = None
if task_uuid:
task = db().query(Task).filter_by(uuid=task_uuid).first()
exist = None
if node_id and task:
exist = db().query(Notification).filter_by(
node_id=node_id,
message=message,
task=task
).first()
if not exist:
notification = Notification()
notification.topic = topic
notification.message = message
notification.cluster_id = cluster_id
notification.node_id = node_id
if task:
notification.task_id = task.id
notification.datetime = datetime.now()
db().add(notification)
db().commit()
logger.info(
"Notification: topic: %s message: %s" % (topic, message)
)
