nodes-have-consistent-time.yaml

# Copyright 2024 Google LLC
#
# This is “Software” that is licensed under the “General Software” section of
# the Service Specific Terms (https://cloud.google.com/terms/service-terms) for
# usage in accordance with the following “Scope of Use”: This file may only be
# used on an Anthos cluster, including any associated ci/cd use. “Anthos
# cluster” is defined as “A Cluster (of any kind) registered to a fleet project
# where the Anthos API is enabled”.
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireCosNodeImage
metadata:
  name: nist-sp-800-53-r5-nodes-have-consistent-time
  labels:
    policycontroller.gke.io/bundleName: nist-sp-800-53-r5
  annotations:
    policycontroller.gke.io/bundleVersion: "202403.0"
    policycontroller.gke.io/constraintData: |-
      "{
        bundleName: 'nist-sp-800-53-r5',
        bundleDisplayName: 'NIST SP 800-53 Rev. 5',
        bundleLink: 'https://cloud.google.com/anthos-config-management/docs/how-to/using-nist-sp-800-53-r5',
        bundleVersion: '202403.0',
        bundleDescription: 'Use the NIST SP 800-53 Rev. 5 policy bundle with Policy Controller to evaluate the compliance of your cluster resources against some aspects of the NIST SP 800-53 Rev. 5 controls.',
        controlNumbers: '[AU-8]',
        severity: 'UNSPECIFIED',
        description: 'Ensures consistent and correct time on Nodes by allowing only Container-Optimized OS (COS) or Ubuntu as the OS image.',
        remediation: 'OS image must be Container-Optimized OS (COS) or Ubuntu. See "Node Images" for more information: https://cloud.google.com/kubernetes-engine/docs/concepts/node-images',
        minimumTemplateLibraryVersion: '1.14.3',
        constraintHash: '160aadae28297f5efab83b6c67f9af92f244f634f7bfc8de3bb5da1fa6a9b37a'
      }"
spec:
  enforcementAction: dryrun
  match:
    kinds:
      - apiGroups:
          - ""
        kinds:
          - Node
  parameters:
    exemptOsImages:
      - Ubuntu* #https://cloud.google.com/anthos/clusters/docs/bare-metal/latest/installing/configure-os/ubuntu#time-synch