Query: job_container_strong_kube_apiserver_cryptographic_ciphers

with container_list as (
  select
    c ->> 'name' as container_name,
    trim(
      '"'
      from
        split_part(co :: text, '=', 2)
    ) as value,
    j.name as job
  from
    kubernetes_job as j,
    jsonb_array_elements(template -> 'spec' -> 'containers') as c,
    jsonb_array_elements_text(c -> 'command') as co
  where
    co like '%--tls-cipher-suites=%'
),
container_name_with_job_name as (
  select
    j.name as job_name,
    j.uid as job_uid,
    j.path as path,
    j.start_line as start_line,
    j.end_line as end_line,
    j.context_name as context_name,
    j.namespace as namespace,
    j.source_type as source_type,
    j.tags as tags,
    j._ctx as _ctx,
    c.*
  from
    kubernetes_job as j,
    jsonb_array_elements(template -> 'spec' -> 'containers') as c
)
select
  coalesce(j.job_uid, concat(j.path, ':', j.start_line)) as resource,
  case
    when (j.value -> 'command') is null
    or not ((j.value -> 'command') @> '["kube-apiserver"]') then 'ok'
    when l.container_name is not null
    and (j.value -> 'command') @> '["kube-apiserver"]'
    and string_to_array(l.value, ',') < @ array [ 'TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256',
    'TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256',
    'TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305',
    'TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384',
    'TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305',
    'TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384',
    'TLS_RSA_WITH_AES_256_GCM_SHA384',
    'TLS_RSA_WITH_AES_128_GCM_SHA256' ] then 'ok'
    else 'alarm'
  end as status,
  case
    when (j.value -> 'command') is null then j.value ->> 'name' || ' command not defined.'
    when not ((j.value -> 'command') @> '["kube-apiserver"]') then j.value ->> 'name' || ' kube-apiserver not defined.'
    when l.container_name is not null
    and (j.value -> 'command') @> '["kube-apiserver"]'
    and string_to_array(l.value, ',') < @ array [ 'TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256',
    'TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256',
    'TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305',
    'TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384',
    'TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305',
    'TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384',
    'TLS_RSA_WITH_AES_256_GCM_SHA384',
    'TLS_RSA_WITH_AES_128_GCM_SHA256' ] then j.value ->> 'name' || ' kube-apiserver uses strong cryptographic ciphers.'
    else j.value ->> 'name' || ' kube-apiserver not using strong cryptographic ciphers.'
  end as reason,
  j.job_name as job_name,
  coalesce(context_name, '') as context_name,
  namespace,
  source_type,
  coalesce(path || ':' || start_line || '-' || end_line, '') as path
from
  container_name_with_job_name as j
  left join container_list as l on j.value ->> 'name' = l.container_name
  and j.job_name = l.job;