restrict-repos.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: K8sAllowedRepos
metadata:
  name: nist-sp-800-53-r5-restrict-repos
  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: '[AC-6]',
        severity: 'UNSPECIFIED',
        description: 'Restricts container images to an allowed `repos` list.',
        remediation: 'Containers images must be in the allowed `repos` list. Use a different container image or add allowed repos to the `repos` parameter. See "Images" for more information: https://kubernetes.io/docs/concepts/containers/images/',
        minimumTemplateLibraryVersion: '1.10.1',
        constraintHash: '6138bf71113702f741b4bac86c90fd7c109bf93be27bb3018835a08c778370b2'
      }"
  labels:
    policycontroller.gke.io/bundleName: nist-sp-800-53-r5
spec:
  enforcementAction: dryrun
  match:
    kinds:
      - apiGroups:
          - ""
        kinds:
          - Pod
    excludedNamespaces:
      - kube-system
      - cert-manager
      - gke-managed-metrics-server
      - anthos-identity-service
      - gke-system
      - gke-connect
      - apigee
      - apigee-system
  parameters:
    repos:
      - gcr.io/gke-release/
      - gcr.io/anthos-baremetal-release/
      - gcr.io/gke-on-prem-release/
      - gcr.io/gke-multi-cloud-release/
      - gcr.io/config-management-release/
      - gcr.io/kubebuilder/
      - gcr.io/gkeconnect/
      - gke.gcr.io/