prysm-pulse/k8s/beacon-chain/relay.service.yaml

apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
  name: relay-gateway
  namespace: beacon-chain
spec:
  selector:
    istio: ingressgateway
  servers:
  - port:
      number: 30000
      name: tcp-p2p-relay
      protocol: TCP
    hosts:
    - '*'
---
kind: VirtualService
apiVersion: networking.istio.io/v1alpha3
metadata:
  name: relay
  namespace: beacon-chain
spec:
  hosts:
  - '*'
  gateways:
  - relay-gateway
  tcp:
  - match:
    - port: 30000
    route:
    - destination:
        host: relay.beacon-chain.svc.cluster.local
        port:
          number: 4000
---
kind: Service
apiVersion: v1
metadata:
  name: relay
  namespace: beacon-chain
spec:
  selector:
    component: relay
  ports:
    - port: 4000
      targetPort: 4000
      name: relayport
  type: ClusterIP