Control: Ensure 'Allow public access from any Azure service within Azure to this server' for PostgreSQL flexible server is disabled

powerpipe control run azure_compliance.control.postgres_flexible_server_allow_access_to_azure_services_disabled

powerpipe login
powerpipe control run azure_compliance.control.postgres_flexible_server_allow_access_to_azure_services_disabled --share

with postgres_flexible_server_with_allow_access_to_azure_services as (
  select
    id
  from
    azure_postgresql_flexible_server,
    jsonb_array_elements(firewall_rules) as r
  where
    r -> 'properties' ->> 'endIpAddress' = '0.0.0.0'
    or r -> 'properties' ->> 'startIpAddress' = '0.0.0.0'
)
select
  s.id as resource,
  case
    when a.id is not null then 'alarm'
    else 'ok'
  end as status,
  case
    when a.id is not null then s.title || ' does not restrict access to azure services.'
    else s.title || ' restricts access to azure services.'
  end as reason
  
  , s.resource_group as resource_group
  , sub.display_name as subscription
from
  azure_postgresql_flexible_server as s
  left join postgres_flexible_server_with_allow_access_to_azure_services as a on a.id = s.id
  left join azure_subscription as sub on sub.subscription_id = s.subscription_id;