Query: ecs_disk_attached_instances_count

select
  'Attached Instances' as label,
  case
    when attachments is null then 0
    else jsonb_array_length(attachments)
  end as value,
  case
    when jsonb_array_length(attachments) > 0 then 'ok'
    else 'alert'
  end as "type"
from
  alicloud_ecs_disk
where
  arn = $1;