telemetrv2 sidecar xds config (INBOUND)

v2_xds_stackdriver.yaml

  # Note that listener.trafficDirection should match "stackdriver_${traffic_direction}"
  # https://github.com/envoyproxy/envoy-wasm/blob/master/api/envoy/config/wasm/v2/wasm.proto
  # INBOUND
      filters:
        - name: envoy.http_connection_manager
          typed_config:
            '@type': type.googleapis.com/envoy.config.filter.network.http_connection_manager.v2.HttpConnectionManager
            forward_client_cert_details: APPEND_FORWARD
            generate_request_id: true
            http_filters:
            - name: envoy.filters.http.wasm
              config:
                config:
                  configuration: envoy.wasm.metadata_exchange
                  vm_config:
                    code:
                      inline_string: envoy.wasm.metadata_exchange
                    runtime: envoy.wasm.runtime.null
            - name: envoy.filters.http.wasm
              config:
                config:
                  configuration: '{}'
                  root_id: stackdriver_inbound
                  vm_config:
                    code:
                      inline_string: envoy.wasm.null.stackdriver
                    runtime: envoy.wasm.runtime.null
                    vm_id: stackdriver_inbound
                    
# OUTBOUND listener note vm_id and root_id matches listener
            - name: envoy.filters.http.wasm
              config:
                config:
                  configuration: envoy.wasm.metadata_exchange
                  vm_config:
                    code:
                      inline_string: envoy.wasm.metadata_exchange
                    runtime: envoy.wasm.runtime.null
            - name: envoy.filters.http.wasm
              config:
                config:
                  configuration: '{}'
                  root_id: stackdriver_outbound
                  vm_config:
                    code:
                      inline_string: envoy.wasm.null.stackdriver
                    runtime: envoy.wasm.runtime.null
                    vm_id: stackdriver_outbound