115 lines
3.9 KiB
YAML
115 lines
3.9 KiB
YAML
apiVersion: kyverno.io/v1
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kind: ClusterPolicy
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metadata:
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name: check-storage-class-approval
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annotations:
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policies.kyverno.io/title: "Проверка одобрения StorageClass"
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policies.kyverno.io/category: Governance
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policies.kyverno.io/severity: high
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policies.kyverno.io/subject: PersistentVolumeClaim
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policies.kyverno.io/description: >-
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Проверяет, что PVC использует StorageClass из одобренного списка.
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StorageClass считается одобренной, если имеет лейбл approved-for-production: "true".
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spec:
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validationFailureAction: Enforce
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background: false
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rules:
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- name: check-storage-class
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match:
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resources:
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kinds:
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- PersistentVolumeClaim
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context:
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- name: storageClassInfo
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apiCall:
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urlPath: "/apis/storage.k8s.io/v1/storageclasses/{{ request.object.spec.storageClassName }}"
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jmesPath: "metadata.labels.\"approved-for-production\""
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validate:
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message: >-
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StorageClass '{{ request.object.spec.storageClassName }}' не одобрена для production.
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Используйте StorageClass с лейблом approved-for-production: "true".
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deny:
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conditions:
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any:
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- key: "{{ storageClassInfo }}"
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operator: NotEquals
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value: "true"
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---
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apiVersion: kyverno.io/v1
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kind: ClusterPolicy
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metadata:
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name: limit-deployments-per-namespace
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annotations:
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policies.kyverno.io/title: "Лимит Deployment в namespace"
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policies.kyverno.io/category: Governance
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policies.kyverno.io/severity: medium
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policies.kyverno.io/subject: Deployment
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policies.kyverno.io/description: >-
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Ограничивает количество Deployment в одном namespace до 20.
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Используется apiCall для подсчёта существующих деплойментов.
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spec:
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validationFailureAction: Enforce
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background: false
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rules:
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- name: check-deployment-count
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match:
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resources:
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kinds:
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- Deployment
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context:
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- name: existingDeployments
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apiCall:
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urlPath: >-
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/apis/apps/v1/namespaces/{{ request.object.metadata.namespace }}/deployments
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jmesPath: "items[?metadata.name != '{{ request.object.metadata.name }}'] | length(@)"
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validate:
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message: >-
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В namespace '{{ request.object.metadata.namespace }}' уже {{ existingDeployments }} деплойментов.
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Максимум разрешено 20.
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deny:
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conditions:
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any:
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- key: "{{ existingDeployments }}"
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operator: GreaterThanOrEquals
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value: "20"
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---
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apiVersion: kyverno.io/v1
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kind: ClusterPolicy
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metadata:
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name: require-gpu-nodes-for-gpu-workloads
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annotations:
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policies.kyverno.io/title: "GPU workloads требуют GPU-нод"
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policies.kyverno.io/category: Resources
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policies.kyverno.io/severity: high
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policies.kyverno.io/subject: Pod
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policies.kyverno.io/description: >-
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Запрещает запускать GPU-workloads если в кластере меньше 2 GPU-нод.
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GPU-workload определяется лейблом workload-type: gpu на поде.
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spec:
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validationFailureAction: Enforce
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background: false
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rules:
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- name: check-gpu-nodes
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match:
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resources:
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kinds:
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- Pod
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selector:
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matchLabels:
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workload-type: gpu
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context:
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- name: gpuNodes
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apiCall:
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urlPath: "/api/v1/nodes"
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jmesPath: "items[?metadata.labels.\"node-type\" == 'gpu'].metadata.name"
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validate:
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message: >-
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GPU workloads требуют минимум 2 GPU-ноды в кластере.
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Текущее количество GPU-нод: {{ length(gpuNodes) }}.
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deny:
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conditions:
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any:
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- key: "{{ length(gpuNodes) }}"
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operator: LessThan
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value: "2"
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