53 lines
1.7 KiB
YAML
53 lines
1.7 KiB
YAML
apiVersion: kyverno.io/v1
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kind: ClusterPolicy
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metadata:
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name: restrict-image-registries
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annotations:
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policies.kyverno.io/title: Restrict image registries (audit)
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policies.kyverno.io/category: Supply Chain
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policies.kyverno.io/severity: medium
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policies.kyverno.io/description: >-
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Audit containers that pull outside the internal registry endpoints ahead
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of Phase 4 image trust. Zot repository access is enforced separately.
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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: allow-internal-registries-only
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match:
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any:
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- resources:
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kinds:
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- Pod
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exclude:
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any:
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- resources:
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namespaces:
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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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validate:
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message: >-
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Prefer an internal registry endpoint. External registries are inventory
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for the mirror/promote pipeline, and Zot repositories are separately
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restricted.
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foreach:
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- list: "request.object.spec.[initContainers, ephemeralContainers, containers][]"
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deny:
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conditions:
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all:
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- key: >-
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{{ regex_match('^(quay\.quorate\.internal/|zot\.quorate\.internal/|registry\.quorate\.internal/)', element.image) }}
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operator: Equals
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value: false
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