50 lines
1.6 KiB
YAML
50 lines
1.6 KiB
YAML
apiVersion: kyverno.io/v1
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kind: ClusterPolicy
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metadata:
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name: require-resource-limits
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annotations:
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policies.kyverno.io/title: Require CPU and memory limits
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policies.kyverno.io/category: Resource governance
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policies.kyverno.io/severity: medium
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# Supplemental hardening aligned with CIS 5.7.3 workload controls. The
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# CIS benchmark does not define a one-to-one resource-limit test.
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policies.kyverno.io/cis-control: "5.7.3 supplemental"
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spec:
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validationFailureAction: Enforce
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background: false
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failurePolicy: Fail
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rules:
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- name: containers-have-resource-limits
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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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namespaceSelector:
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matchLabels:
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security-baseline/open: "true"
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validate:
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message: Every container must define CPU and memory limits.
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foreach:
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- list: request.object.spec.containers[]
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deny:
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conditions:
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any:
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- key: "{{ element.resources.limits.cpu || '' }}"
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operator: Equals
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value: ""
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- key: "{{ element.resources.limits.memory || '' }}"
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operator: Equals
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value: ""
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- list: request.object.spec.initContainers[]
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deny:
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conditions:
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any:
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- key: "{{ element.resources.limits.cpu || '' }}"
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operator: Equals
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value: ""
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- key: "{{ element.resources.limits.memory || '' }}"
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operator: Equals
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value: ""
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