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

     1  # METADATA
     2  # title: "Ensure that the --cert-file and --key-file arguments are set as appropriate"
     3  # description: "Configure TLS encryption for the etcd service."
     4  # scope: package
     5  # schemas:
     6  # - input: schema["kubernetes"]
     7  # related_resources:
     8  # - https://www.cisecurity.org/benchmark/kubernetes
     9  # custom:
    10  #   id: KCV0042
    11  #   avd_id: AVD-KCV-0042
    12  #   severity: LOW
    13  #   short_code: Ensure-cert-file-and-key-file-arguments-are-set-as-appropriate
    14  #   recommended_action: "Follow the etcd service documentation and configure TLS encryption. Then, edit the etcd pod specification file /etc/kubernetes/manifests/etcd.yaml on the master node and set the below parameters."
    15  #   input:
    16  #     selector:
    17  #     - type: kubernetes
    18  package builtin.kubernetes.KCV0042
    19  
    20  import data.lib.kubernetes
    21  
    22  checkFlag[container] {
    23  	container := kubernetes.containers[_]
    24  	kubernetes.is_etcd(container)
    25  	not kubernetes.command_has_flag(container.command, "--cert-file")
    26  }
    27  
    28  checkFlag[container] {
    29  	container := kubernetes.containers[_]
    30  	kubernetes.is_etcd(container)
    31  	not kubernetes.command_has_flag(container.command, "--key-file")
    32  }
    33  
    34  deny[res] {
    35  	output := checkFlag[_]
    36  	msg := "Ensure that the --cert-file and --key-file arguments are set as appropriate"
    37  	res := result.new(msg, output)
    38  }