Extension:OpenStackManager/openstack notification event table

mysql> describe openstack_notification_event; +-++--+-+-+---+ +-++--+-+-+---+ +-++--+-+-+---+
 * Field              | Type           | Null | Key | Default | Extra |
 * event_action       | varbinary(10)  | YES  | MUL | NULL    |       |
 * event_actor_id     | int(10)        | YES  |     | NULL    |       |
 * event_instance_host | varbinary(255) | YES |     | NULL    |       |
 * event_instance_name | varbinary(255) | YES |     | NULL    |       |
 * event_project      | varbinary(255) | YES  |     | NULL    |       |