apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:
  name: yelb-appserver-rule
spec:
  host: yelb-appserver
  subsets:
  - name: v1
    labels:
      version: v1
  - name: v2
    labels:
      version: v2
---
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
  name: yelb-appserver-vsvc
spec:
  hosts:
  - yelb-appserver
  http:
  - name: "default"
    route:
    - weight: 75
      destination:
        host: yelb-appserver
        subset: v1
    - weight: 25
      destination:
        host: yelb-appserver
        subset: v2