Control: PodTemplate containers should have kubelet certificate authority configured appropriately

powerpipe control run kubernetes_compliance.control.pod_template_container_kubelet_certificate_authority_configured

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

select
  coalesce(uid, concat(path, ':', start_line)) as resource,
  case
    when (c -> 'command') is null then 'ok'
    when not (c -> 'command') @> '["kube-apiserver"]' then 'ok'
    when (c -> 'command') @> '["kube-apiserver"]'
      and (c ->> 'command' like '%--kubelet-certificate-authority%') then 'ok'
    else 'alarm'
  end as status,
  case
    when (c -> 'command') is null then c ->> 'name' || ' command not defined.'
    when not (c -> 'command') @> '["kube-apiserver"]' then c ->> 'name' || ' kube-apiserver not defined.'
    when (c -> 'command') @> '["kube-apiserver"]'
      and (c ->> 'command' like '%--kubelet-certificate-authority%') then c ->> 'name' || ' kubelet certificate authority configured.'
    else c ->> 'name' || ' kubelet certificate authority not configured.'
  end as reason,
  name as pod_template_name
  
  , coalesce(context_name, '') as context_name, namespace, source_type, coalesce(path || ':' || start_line || '-' || end_line, '') as path
from
  kubernetes_pod_template,
  jsonb_array_elements(template -> 'spec' -> 'containers') as c;