rollout.yaml

apiVersion: argoproj.io/v1alpha1
kind: Rollout
metadata:
  name: reviews-rollout
spec:
  replicas: 5
  selector:
    matchLabels:
      app: reviews
  workloadRef:
    apiVersion: apps/v1
    kind: Deployment
    name: reviews
  strategy:
    canary:
      analysis:
        templates:
        - templateName: apdex
        startingStep: 2
        args:
        - name: service-name
          value: canary|reviews|bookinfo|cp-cluster-1|-
      canaryMetadata:
        annotations:
          version: canary
        labels:
          version: canary
          service.istio.io/canonical-revision: canary
      stableMetadata:
        annotations:
          version: stable
        labels:
          version: stable
          service.istio.io/canonical-revision: stable
      trafficRouting:
        istio:
          virtualService: 
            name: reviews
          destinationRule:
            name: reviews    
            canarySubsetName: canary  
            stableSubsetName: stable
      steps:
      - setWeight: 10
      - pause: {duration: 10m}
      - setWeight: 20
      - pause: {duration: 5m}
      - setWeight: 40
      - pause: {duration: 5m}
      - setWeight: 60
      - pause: {duration: 5m}
      - setWeight: 80
      - pause: {duration: 5m}