Query: replication_controller_container_strong_kubelet_cryptographic_ciphers

with container_list as (
  select
    c ->> 'name' as container_name,
    trim(
      '"'
      from
        split_part(co :: text, '=', 2)
    ) as value,
    r.name as replication_controller
  from
    kubernetes_replication_controller as r,
    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_replication_controller_name as (
  select
    r.name as replication_controller_name,
    r.uid as replication_controller_uid,
    r.path as path,
    r.start_line as start_line,
    r.end_line as end_line,
    r.context_name as context_name,
    r.namespace as namespace,
    r.source_type as source_type,
    r.tags as tags,
    r._ctx as _ctx,
    c.*
  from
    kubernetes_replication_controller as r,
    jsonb_array_elements(template -> 'spec' -> 'containers') as c
)
select
  coalesce(
    r.replication_controller_uid,
    concat(r.path, ':', r.start_line)
  ) as resource,
  case
    when (r.value -> 'command') is null
    or not ((r.value -> 'command') @> '["kubelet"]') then 'ok'
    when l.container_name is not null
    and (r.value -> 'command') @> '["kubelet"]'
    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 (r.value -> 'command') is null then r.value ->> 'name' || ' command not defined.'
    when not ((r.value -> 'command') @> '["kubelet"]') then r.value ->> 'name' || ' kubelet not defined.'
    when l.container_name is not null
    and (r.value -> 'command') @> '["kubelet"]'
    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 r.value ->> 'name' || ' kubelet uses strong cryptographic ciphers.'
    else r.value ->> 'name' || ' kubelet not using strong cryptographic ciphers.'
  end as reason,
  r.replication_controller_name as replication_controller_name,
  coalesce(context_name, '') as context_name,
  namespace,
  source_type,
  coalesce(path || ':' || start_line || '-' || end_line, '') as path
from
  container_name_with_replication_controller_name as r
  left join container_list as l on r.value ->> 'name' = l.container_name
  and r.replication_controller_name = l.replication_controller;