github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/kubernetes/policies/cisbenchmarks/apiserver/service_account_plugin.rego (about)

     1  # METADATA
     2  # title: "Ensure that the admission control plugin ServiceAccount is set"
     3  # description: "Automate service accounts management."
     4  # scope: package
     5  # schemas:
     6  # - input: schema["kubernetes"]
     7  # related_resources:
     8  # - https://www.cisecurity.org/benchmark/kubernetes
     9  # custom:
    10  #   id: KCV0014
    11  #   avd_id: AVD-KCV-0014
    12  #   severity: LOW
    13  #   short_code: ensure-admission-control-plugin-service-account-is-set
    14  #   recommended_action: "Follow the documentation and create ServiceAccount objects as per your environment. Then, edit the API server pod specification file /etc/kubernetes/manifests/kube-apiserver.yaml on the master node and ensure that the --disable-admission-plugins parameter is set to a value that does not include ServiceAccount."
    15  #   input:
    16  #     selector:
    17  #     - type: kubernetes
    18  package builtin.kubernetes.KCV0014
    19  
    20  import data.lib.kubernetes
    21  
    22  check_flag[container] {
    23  	container := kubernetes.containers[_]
    24  	kubernetes.is_apiserver(container)
    25  	some i
    26  	output := regex.find_all_string_submatch_n(`--disable-admission-plugins=([^\s]+)`, container.command[i], -1)
    27  	regex.match("ServiceAccount", output[0][1])
    28  }
    29  
    30  deny[res] {
    31  	output := check_flag[_]
    32  	msg := "Ensure that the admission control plugin ServiceAccount is set"
    33  	res := result.new(msg, output)
    34  }