Control: RDS DB instances with a low number connections per day should be reviewed

powerpipe control run alicloud_thrifty.control.rds_db_instance_low_connection_count

powerpipe login
powerpipe control run alicloud_thrifty.control.rds_db_instance_low_connection_count --share

with rds_db_usage as (
  select
    db_instance_id,
    round(sum(maximum)/count(maximum)) as avg_max,
    count(maximum) as days
  from
    alicloud_rds_instance_metric_connections_daily
  where
    date_part('day', now() - timestamp) <=30
  group by
    db_instance_id
)
select
  arn as resource,
  case
    when avg_max is null then 'error'
    when avg_max = 0 then 'alarm'
    when avg_max < $1 then 'info'
    else 'ok'
  end as status,
  case
    when avg_max is null then 'Cloud monitor metrics not available for ' || title || '.'
    when avg_max = 0 then title || ' has not been connected to in the last ' || days || ' days.'
    else title || ' is averaging ' || avg_max || ' max connections/day in the last ' || days || ' days.'
  end as reason
  
  , account_id, region
from
  alicloud_rds_instance as i
  left join rds_db_usage as u on u.db_instance_id = i.db_instance_id;