transcoding-grpc-to-http-json/envoy-config.yml at master · toefel18/transcoding-grpc-to-http-json · GitHub

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admin:
  access_log_path: /tmp/admin_access.log
  address:
    socket_address: { address: 0.0.0.0, port_value: 9901 }         #1

static_resources:
  listeners:
  - name: main-listener
    address:
      socket_address: { address: 0.0.0.0, port_value: 51051 }      #2
    filter_chains:
    - filters:
      - name: envoy.http_connection_manager
        config:
          stat_prefix: grpc_json
          codec_type: AUTO
          route_config:
            name: local_route
            virtual_hosts:
            - name: local_service
              domains: ["*"]
              routes:
              - match: { prefix: "/" , grpc: {}}  # 3a grpc:{} means that requests are only forwarded if they are found in the grpc service definition, returning 404 for others
                route: { cluster: grpc-backend-services, timeout: { seconds: 60 } }   #3b
          http_filters:
          - name: envoy.grpc_json_transcoder
            # configuration docs: https://github.com/envoyproxy/envoy/blob/master/api/envoy/config/filter/http/transcoder/v2/transcoder.proto
            config:
              proto_descriptor: "/data/reservation_service_definition.pb"             #4
              services: ["reservations.v1.ReservationService"]                        #5
              print_options:
                add_whitespace: true
                always_print_primitive_fields: true
                always_print_enums_as_ints: false
                preserve_proto_field_names: false                                     #6
          - name: envoy.router

  clusters:
  - name: grpc-backend-services                  #7
    connect_timeout: 1.25s
    type: logical_dns
    lb_policy: round_robin
    dns_lookup_family: V4_ONLY
    http2_protocol_options: {}
    hosts:
    - socket_address:
        address: 127.0.0.1                       #8
        port_value: 53000