canary service trafficPolicy loadBalancer consistentHash generate dr not right

[13567436138]

Describe the bug

A clear and concise description of what the bug is.
Please provide the Canary definition and Flagger logs.

To Reproduce

apply config：

apiVersion: flagger.app/v1beta1
kind: Canary
metadata:
  name: bookinfo
spec:
  revertOnDeletion: true
  targetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: reviews-v1
  provider: istio
  service:
    port: 9080
    name: reviews
    trafficPolicy:
      loadBalancer:
        consistentHash:
          minimumRingSize: 1
          httpQueryParameterName: test
    gateways:
    - istio/bookinfo-gateway
    hosts:
    - "*"
  analysis:
    interval: 1m
    threshold: 10
    maxWeight: 50
    stepWeight: 20
    metrics:
      - name: request-success-rate
        thresholdRange:
          min: 99
        interval: 1m
      - name: request-duration
        thresholdRange:
          max: 500
        interval: 1m

generate config is:

spec:
  host: reviews-canary
  trafficPolicy:
    loadBalancer:
      consistentHash:
        minimumRingSize: 1

httpQueryParameterName: test is missing???

Expected behavior

A clear and concise description of what you expected to happen.

Additional context

• Flagger version:
• Kubernetes version:
• Service Mesh provider:
• Ingress provider:

[stefanprodan]

The Istio API needs to be sync with upstream, here is the current version that Flagger uses: https://github.com/fluxcd/flagger/blob/main/pkg/apis/istio/v1alpha3/destination_rule.go#L279

[13567436138]

when will flagger support istio v1beta1
why not let flagger generate istio resources use v1alpha3