envoy转发grpc配置

envoy转发grpc配置Dockerfile

FROM  envoyproxy/envoy:v1.20-latest
COPY envoy.yaml /etc/envoy/envoy.yaml
COPY feature.pb /tmp/envoy/feature.pb

envoy.yaml配置

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

static_resources:
  listeners:
    - name: grpc-listener
      address:
        socket_address: { address: 0.0.0.0, port_value: 51051 }
      filter_chains:
        - filters:
            - name: envoy.filters.network.http_connection_manager
              typed_config:
                "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
                stat_prefix: grpc_json
                codec_type: AUTO
                route_config:
                  name: local_route
                  virtual_hosts:
                    - name: gprc_services
                      domains: ["*"]
                      routes:
                        - name: grpc-testv2
                          match: { prefix: "/", grpc: {} }
                          route: {
                            cluster: grpc-testv2,
                            timeout: { seconds: 30 },
                            retry_policy: {
                                #retry_on: "5xx",
                                retry_on: "connect-failure,refused-stream,unavailable,cancelled,resource-exhausted,retriable-status-codes",
                                num_retries: 3,
                                per_try_timeout: 5s,
                                retry_host_predicate: [{name: "envoy.retry_host_predicates.previous_hosts"}],
                                host_selection_retry_max_attempts: "3",
                                retriable_status_codes: [503]
                            },
                          }
                http_filters:
                  - name: envoy.filters.http.grpc_json_transcoder
                    typed_config:
                      "@type": type.googleapis.com/envoy.extensions.filters.http.grpc_json_transcoder.v3.GrpcJsonTranscoder
                      proto_descriptor: "/tmp/envoy/testv2.pb"
                      services: ["featureserving.FeatureService"]
                      print_options:
                        add_whitespace: true
                        always_print_primitive_fields: true
                        always_print_enums_as_ints: false
                        preserve_proto_field_names: false
                  - name: envoy.filters.http.router
  clusters:
    - name: grpc-testv2
      connect_timeout: 3s
      type: logical_dns
      lb_policy: round_robin
      dns_lookup_family: V4_ONLY
      http2_protocol_options:
        max_concurrent_streams: 300
      upstream_connection_options:
        tcp_keepalive:
          keepalive_time: 300
      common_http_protocol_options:
        idle_timeout: 340s
      load_assignment:
        cluster_name: grpc-testv2
        endpoints:
          - lb_endpoints:
              - endpoint:
                  address:
                    socket_address:
                      address: test-grpc-xxxxxxxxxxx.test
                      port_value: 9102