istio/src/stats-filter-1.5-envoyfilter.yaml

apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
  name: stats-filter-1.5
  namespace: istio-system
  labels:
    istio.io/rev: default
spec:
  configPatches:
    - applyTo: HTTP_FILTER
      match:
        context: SIDECAR_OUTBOUND
        proxy:
          proxyVersion: '^1\.5.*'
        listener:
          filterChain:
            filter:
              name: "envoy.http_connection_manager"
              subFilter:
                name: "envoy.router"
      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:
                root_id: stats_outbound
                configuration: |
                  {
                    "debug": "false",
                    "stat_prefix": "istio",
                  }
                vm_config:
                  vm_id: stats_outbound
                  runtime: envoy.wasm.runtime.null
                  code:
                    local:
                      inline_string: envoy.wasm.stats
    - applyTo: HTTP_FILTER
      match:
        context: SIDECAR_INBOUND
        proxy:
          proxyVersion: '^1\.5.*'
        listener:
          filterChain:
            filter:
              name: "envoy.http_connection_manager"
              subFilter:
                name: "envoy.router"
      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:
                root_id: stats_inbound
                configuration: |
                  {
                    "debug": "false",
                    "stat_prefix": "istio",
                  }
                vm_config:
                  vm_id: stats_inbound
                  runtime: envoy.wasm.runtime.null
                  code:
                    local:
                      inline_string: envoy.wasm.stats
    - applyTo: HTTP_FILTER
      match:
        context: GATEWAY
        proxy:
          proxyVersion: '^1\.5.*'
        listener:
          filterChain:
            filter:
              name: "envoy.http_connection_manager"
              subFilter:
                name: "envoy.router"
      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:
                root_id: stats_outbound
                configuration: |
                  {
                    "debug": "false",
                    "stat_prefix": "istio",
                    "disable_host_header_fallback": true,
                  }
                vm_config:
                  vm_id: stats_outbound
                  runtime: envoy.wasm.runtime.null
                  code:
                    local:
                      inline_string: envoy.wasm.stats