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44 lines
1.3 KiB
YAML
44 lines
1.3 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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annotations:
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policies.kyverno.io/category: Workload Management
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policies.kyverno.io/description: By default, Kubernetes allows communications
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across all pods within a cluster. Network policies and, a CNI that supports
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network policies, must be used to restrict communinications. A default NetworkPolicy
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should be configured for each namespace to default deny all ingress traffic
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to the pods in the namespace. Application teams can then configure additional
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NetworkPolicy resources to allow desired traffic to application pods from select
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sources.
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name: add-networkpolicy
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spec:
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admission: true
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background: true
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rules:
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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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- default
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- kube-public
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- kyverno
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generate:
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data:
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spec:
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podSelector: {}
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policyTypes:
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- Ingress
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kind: NetworkPolicy
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name: default-deny-ingress
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namespace: '{{request.object.metadata.name}}'
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synchronize: true
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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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name: '*'
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name: default-deny-ingress
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validationFailureAction: Audit
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