resnet-serving-ingress-gateway.yaml

apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
  name: resnet-serving-gateway
spec:
  selector:
    istio: ingressgateway # use istio default controller
  servers:
  - port:
      number: 31400
      name: http
      protocol: HTTP
    hosts:
    - "*"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: resnet-serving
spec:
  hosts:
    - "*"
  gateways:
  - resnet-serving-gateway
  http:
  - route:
    - destination:
        host: resnet-serving.default.svc.cluster.local
        port:
          number: 9000
        subset: v1
      weight: 50
    - destination:
        host: resnet-serving.default.svc.cluster.local
        port:
          number: 9000
        subset: v2
      weight: 50
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: resnet-serving
spec:
  host: resnet-serving.default.svc.cluster.local
  trafficPolicy:
    loadBalancer:
      simple: RANDOM
  subsets:
  - name: v1
    labels:
      version: v1
  - name: v2
    labels:
      version: v2