 envoy

---
# And finally, the configuration of the SNI forwarder,
# it&#39;s internal listener, and the patch to the original Gateway
# listener to route everything into the SNI forwarder.
apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
  name: sni-magic
  namespace: istio-system
spec:
  configPatches:
  - applyTo: CLUSTER
    match:
      context: GATEWAY
    patch:
      operation: ADD
      value:
        name: sni_cluster
        load_assignment:
          cluster_name: sni_cluster