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

powerpipe control run kubernetes_compliance.control.statefulset_container_argument_kubelet_read_only_port_0

powerpipe login
powerpipe control run kubernetes_compliance.control.statefulset_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,
    s.name as statefulset
  from
    kubernetes_stateful_set as s,
    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_statefulset_name as (
  select
    s.name as statefulset_name,
    s.uid as statefulset_uid,
    s.path as path,
    s.start_line as start_line,
    s.end_line as end_line,
    s.context_name as context_name,
    s.namespace as namespace,
    s.source_type as source_type,
    s.tags as tags,
    s._ctx as _ctx,
    c.*
  from
    kubernetes_stateful_set as s,
    jsonb_array_elements(template -> 'spec' -> 'containers') as c
)
select
  coalesce(
    s.statefulset_uid,
    concat(s.path, ':', s.start_line)
  ) as resource,
  case
    when (s.value -> 'command') is null
    or not ((s.value -> 'command') @> '["kubelet"]') then 'ok'
    when l.container_name is not null
    and (s.value -> 'command') @> '["kubelet"]'
    and (l.value = 0) then 'ok'
    else 'alarm'
  end as status,
  case
    when (s.value -> 'command') is null then s.value ->> 'name' || ' command not defined.'
    when not ((s.value -> 'command') @> '["kubelet"]') then s.value ->> 'name' || ' kubelet not defined.'
    else s.value ->> 'name' || ' read-only port is set to ' || (l.value) || '.'
  end as reason,
  s.statefulset_name as statefulset_name,
  coalesce(context_name, '') as context_name,
  namespace,
  source_type,
  coalesce(path || ':' || start_line || '-' || end_line, '') as path
from
  container_name_with_statefulset_name as s
  left join container_list as l on s.value ->> 'name' = l.container_name
  and s.statefulset_name = l.statefulset;