56 lines
1.7 KiB
YAML
56 lines
1.7 KiB
YAML
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apiVersion: kyverno.io/v1
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kind: ClusterPolicy
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metadata:
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name: cilium-networkpolicy-coverage
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annotations:
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policies.kyverno.io/title: CiliumNetworkPolicy namespace coverage
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policies.kyverno.io/category: Network Security
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policies.kyverno.io/severity: medium
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policies.kyverno.io/description: >-
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Audit namespaces that lack any CiliumNetworkPolicy. Stays Audit forever;
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never promote to Enforce (onboarding must not block on CNP admission).
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spec:
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validationFailureAction: Audit
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background: true
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rules:
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- name: require-namespaced-cilium-networkpolicy
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match:
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any:
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- resources:
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kinds:
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- Namespace
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exclude:
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any:
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- resources:
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names:
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- default
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- kube-system
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- kube-public
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- kube-node-lease
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- flux-system
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- flux-canary
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- kyverno
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- cert-manager
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- cilium-secrets
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- olm
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- operators
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- longhorn
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- openebs
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- intel-system
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- nfd
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context:
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- name: cnpcount
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apiCall:
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urlPath: "/apis/cilium.io/v2/namespaces/{{ request.object.metadata.name }}/ciliumnetworkpolicies"
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jmesPath: "items | length(@)"
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validate:
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message: >-
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Namespace {{ request.object.metadata.name }} has no CiliumNetworkPolicy
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resources. Add at least one namespaced CNP (clusterwide policies are not
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counted by this rule yet).
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deny:
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conditions:
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any:
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- key: "{{ cnpcount }}"
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operator: Equals
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value: 0
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