Query: ec2_instance_not_publicly_accessible

select
  arn as resource,
  case
    when public_ip_address is null then 'ok'
    else 'alarm'
  end as status,
  case
    when public_ip_address is null then instance_id || ' not publicly accessible.'
    else instance_id || ' publicly accessible.'
  end as reason
  
  , region, account_id
from
  aws_ec2_instance;