64 lines
2.0 KiB
YAML
64 lines
2.0 KiB
YAML
apiVersion: kyverno.io/v1
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kind: ClusterPolicy
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metadata:
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name: allow-namespace-traffic
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annotations:
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policies.kyverno.io/title: Generate NetworkPolicy to Existing Namespaces
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policies.kyverno.io/subject: Namespace, NetworkPolicy
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kyverno.io/kyverno-version: 1.7.0
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policies.kyverno.io/minversion: 1.7.0
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kyverno.io/kubernetes-version: "1.23"
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policies.kyverno.io/description: >-
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Allow all ingress/egress traffic within a namespace.
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Allow egress to any pods in the cluster
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Allow DNS with layer 7 inspection
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spec:
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generateExistingOnPolicyUpdate: true
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rules:
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- name: allow-namespace-traffic
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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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generate:
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synchronize: true
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apiVersion: cilium.io/v2
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kind: CiliumNetworkPolicy
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name: allow-namespace-traffic
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namespace: "{{request.object.metadata.name}}"
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data:
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metadata:
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labels:
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created-by: kyverno
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spec:
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endpointSelector: {}
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description: "Allow all traffic within a namespace, allow dns, allow egress to all entities in cluster"
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ingress:
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- fromEndpoints:
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- {}
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- fromEndpoints:
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- matchExpressions:
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- key: io.kubernetes.pod.namespace
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operator: Exists
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egress:
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- toEndpoints:
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- matchExpressions:
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- key: io.kubernetes.pod.namespace
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operator: Exists
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#authentication:
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# mode: "required"
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- toEndpoints:
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- matchLabels:
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io.kubernetes.pod.namespace: kube-system
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k8s-app: kube-dns
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toPorts:
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- ports:
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- port: "53"
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protocol: UDP
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rules:
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dns:
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- matchPattern: "*"
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#authentication:
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# mode: "required"
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