5.3.2_require-namespace-network-policies.yaml

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apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireNamespaceNetworkPolicies
metadata:
  name: cis-k8s-v1.5.1-require-namespace-network-policies
  labels:
    policycontroller.gke.io/bundleName: cis-k8s-v1.5.1
  annotations:
    policycontroller.gke.io/bundleVersion: "202312.1"
    policycontroller.gke.io/constraintData: |-
      "{
        bundleName: 'cis-k8s-v1.5.1',
        bundleDisplayName: 'CIS Kubernetes Benchmark v1.5.1',
        bundleLink: 'https://cloud.google.com/anthos-config-management/docs/how-to/using-cis-k8s-benchmark',
        bundleVersion: '202312.1',
        bundleDescription: 'Use the CIS Kubernetes Benchmark 1.5.1 policy bundle with Policy Controller to evaluate the compliance of your cluster resources against the CIS Kubernetes Benchmark, which is a set of recommendations for configuring Kubernetes to support a robust security posture.',
        controlNumbers: '[5.3.2]',
        severity: 'UNSPECIFIED',
        description: 'Requires that every namespace defined in the cluster has a NetworkPolicy.',
        remediation: 'Cannot have a namespace in the cluster without a NetworkPolicy. Add a NetworkPolicy to your namespace. See "Network Policies" for more information: https://kubernetes.io/docs/concepts/services-networking/network-policies',
        minimumTemplateLibraryVersion: '1.10.1',
        constraintHash: '4157745efbe6d5c6c582c9828973720cdaf9bad00f5761a01c21622d76407481'
      }"
spec:
  enforcementAction: dryrun
  match:
    excludedNamespaces:
      - kube-system
      - kube-node-lease
      - kube-public
      - gatekeeper-system
      - config-management-system
      - config-management-monitoring
      - resource-group-system
      - gke-connect
      - istio-system
      - asm-system
      - default
      - capi-system
      - vm-system
      - gke-managed-metrics-server
      - cert-manager
      - anthos-creds
      - capi-kubeadm-bootstrap-system
      - gke-system
      - anthos-identity-service
      - gmp-system
      - gmp-public
      - gke-gmp-system
      - gke-managed-filestorecsi
      - apigee
      - apigee-system
      - gke-managed-system
      - gke-managed-cim
    kinds:
      - apiGroups:
          - ""
        kinds:
          - Namespace