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ms2k 2026-11-12 20:46:28 +09:00
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145
vendor/infrastructure/cert-manager/network-policies.yaml vendored Normal file
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---
# cert-manager controller: metrics from host (9403), apiserver.
apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
name: cert-manager
namespace: cert-manager
spec:
endpointSelector:
matchLabels:
app.kubernetes.io/component: controller
ingress:
- fromEntities:
- host
toPorts:
- ports:
- port: "9403"
protocol: TCP
egress:
- toEntities:
- kube-apiserver
toPorts:
- ports:
- port: "6443"
protocol: TCP
- toEntities:
- world
toPorts:
- ports:
- port: "80"
protocol: TCP
- port: "443"
protocol: TCP
- port: "53"
protocol: UDP
- port: "53"
protocol: TCP
- toEndpoints:
- matchLabels:
k8s:io.kubernetes.pod.namespace: kube-system
k8s-app: kube-dns
toPorts:
- ports:
- port: "53"
protocol: UDP
- port: "53"
protocol: TCP
- toEndpoints:
- matchLabels:
k8s:io.kubernetes.pod.namespace: vault
app.kubernetes.io/name: vault
component: server
toPorts:
- ports:
- port: "8200"
protocol: TCP
---
# cert-manager webhook: called by kube-apiserver on 6080, also needs apiserver.
apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
name: cert-manager-webhook
namespace: cert-manager
spec:
endpointSelector:
matchLabels:
app.kubernetes.io/component: webhook
ingress:
- fromEntities:
- kube-apiserver
- host
- remote-node
toPorts:
- ports:
- port: "6080"
protocol: TCP
- port: "10250"
protocol: TCP
egress:
- toEntities:
- kube-apiserver
toPorts:
- ports:
- port: "6443"
protocol: TCP
- toEndpoints:
- matchLabels:
k8s:io.kubernetes.pod.namespace: kube-system
k8s-app: kube-dns
toPorts:
- ports:
- port: "53"
protocol: UDP
- port: "53"
protocol: TCP
---
# Host egress to cert-manager pods (webhook, metrics).
apiVersion: cilium.io/v2
kind: CiliumClusterwideNetworkPolicy
metadata:
name: host-egress-cert-manager
spec:
nodeSelector: {}
egress:
- toEndpoints:
- matchLabels:
k8s:io.kubernetes.pod.namespace: cert-manager
toPorts:
- ports:
- port: "6080"
protocol: TCP
- port: "9403"
protocol: TCP
- port: "10250"
protocol: TCP
---
# cert-manager cainjector: only needs apiserver.
apiVersion: cilium.io/v2
kind: CiliumNetworkPolicy
metadata:
name: cert-manager-cainjector
namespace: cert-manager
spec:
endpointSelector:
matchLabels:
app.kubernetes.io/component: cainjector
ingress: []
egress:
- toEntities:
- kube-apiserver
toPorts:
- ports:
- port: "6443"
protocol: TCP
- toEndpoints:
- matchLabels:
k8s:io.kubernetes.pod.namespace: kube-system
k8s-app: kube-dns
toPorts:
- ports:
- port: "53"
protocol: UDP
- port: "53"
protocol: TCP