home-cluster-ops/kubernetes/infrastructure/cilium/networkpolicies/ingress-namespace.yaml

apiVersion: cilium.io/v2
kind: CiliumClusterwideNetworkPolicy
metadata:
  name: ingress-namespace
  namespace: kube-system
spec:
  endpointSelector:
    matchLabels:
      rpi5.cluster.policy/ingress-namespace: "true"
  ingress:
    - fromEndpoints:
        - {}