virtual_service.yaml

apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: torchserve-vs
spec:
  hosts:
    - "*"
  gateways:
    - torchserve-gw
  http:
    - match:
        - uri:
            prefix: /metrics
      route:
        - destination:
            host: torchserve.default.svc.cluster.local
            port:
              number: 8082
    - match:
        - headers:
            protocol:
              exact: REST
      route:
        - destination:
            host: torchserve.default.svc.cluster.local # <ts-service-name>.<namespace>.svc.cluster.local
            port:
              number: 8080
    - match:
        - headers:
            protocol:
              exact: gRPC
      route:
        - destination:
            host: torchserve.default.svc.cluster.local # <ts-service-name>.<namespace>.svc.cluster.local
            port:
              number: 7070