ingress controller traffic split

ingress.yaml

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  annotations:
    spanner.ingress.kubernetes.io/service-weights: |
      revision-0001: 90%
      revision-0002: 10%
  name: my-app
spec:
  rules:
  - http:
      paths:
      - backend:
          serviceName: revision-0001
          21
          servicePort: 80
        path: /
      - backend:
          serviceName: revision-0002
          servicePort: 80
        path: /