istio/src/metadata-exchange-1.5-envoyfilter.yaml

apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
  name: metadata-exchange-1.5
  namespace: istio-system
  labels:
    istio.io/rev: default
spec:
  configPatches:
    - applyTo: HTTP_FILTER
      match:
        context: ANY # inbound, outbound, and gateway
        proxy:
          proxyVersion: '^1\.5.*'
        listener:
          filterChain:
            filter:
              name: "envoy.http_connection_manager"
      patch:
        operation: INSERT_BEFORE
        value:
          name: envoy.filters.http.wasm
          typed_config:
            "@type": type.googleapis.com/udpa.type.v1.TypedStruct
            type_url: type.googleapis.com/envoy.config.filter.http.wasm.v2.Wasm
            value:
              config:
                configuration: envoy.wasm.metadata_exchange
                vm_config:
                  runtime: envoy.wasm.runtime.null
                  code:
                    local:
                      inline_string: envoy.wasm.metadata_exchange