Control: Deployment containers argument kubelet read-only port should be set to 0

powerpipe control run kubernetes_compliance.control.deployment_container_argument_kubelet_read_only_port_0

powerpipe login
powerpipe control run kubernetes_compliance.control.deployment_container_argument_kubelet_read_only_port_0 --share

with container_list as (
  select
    c ->> 'name' as container_name,
    trim('"' from split_part(co::text, '=', 2))::integer as value,
    d.name as deployment
  from
    kubernetes_deployment as d,
    jsonb_array_elements(template -> 'spec' -> 'containers') as c,
    jsonb_array_elements(c -> 'command') as co
  where
    (co)::text LIKE '%--read-only-port=%'
), container_name_with_deployment_name as (
  select
    d.name as deployment_name,
    d.uid as deployment_uid,
    d.path as path,
    d.start_line as start_line,
    d.end_line as end_line,
    d.context_name as context_name,
    d.namespace as namespace,
    d.source_type as source_type,
    d.tags as tags,
    d._ctx as _ctx,
    c.*
  from
    kubernetes_deployment as d,
    jsonb_array_elements(template -> 'spec' -> 'containers') as c
)
select
  coalesce(d.deployment_uid, concat(d.path, ':', d.start_line)) as resource,
  case
    when (d.value -> 'command') is null or not ((d.value -> 'command') @> '["kubelet"]') then 'ok'
    when l.container_name is not null and (d.value -> 'command') @> '["kubelet"]' and (l.value = 0) then 'ok'
    else 'alarm'
  end as status,
  case
    when (d.value -> 'command') is null then d.value ->> 'name' || ' command not defined.'
    when not ((d.value -> 'command') @> '["kubelet"]') then d.value ->> 'name' || ' kubelet not defined.'
    else d.value ->> 'name' || ' read-only port is set to ' || (l.value) || '.'
  end as reason,
  d.deployment_name as deployment_name
  
  , coalesce(context_name, '') as context_name, namespace, source_type, coalesce(path || ':' || start_line || '-' || end_line, '') as path
from
  container_name_with_deployment_name as d
  left join container_list as l on d.value ->> 'name' = l.container_name and d.deployment_name = l.deployment;