| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package v3 |
| |
| import ( |
| envoy_listener "github.com/envoyproxy/go-control-plane/envoy/config/listener/v3" |
| envoy_grpc_stats "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/http/grpc_stats/v3" |
| envoy_hcm "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/http_connection_manager/v3" |
| ) |
| |
| import ( |
| util_proto "github.com/apache/dubbo-kubernetes/pkg/util/proto" |
| ) |
| |
| type GrpcStatsConfigurer struct{} |
| |
| var _ FilterChainConfigurer = &GrpcStatsConfigurer{} |
| |
| func (g *GrpcStatsConfigurer) Configure(filterChain *envoy_listener.FilterChain) error { |
| config := &envoy_grpc_stats.FilterConfig{ |
| EmitFilterState: true, |
| } |
| pbst, err := util_proto.MarshalAnyDeterministic(config) |
| if err != nil { |
| return err |
| } |
| return UpdateHTTPConnectionManager(filterChain, func(manager *envoy_hcm.HttpConnectionManager) error { |
| manager.HttpFilters = append(manager.HttpFilters, |
| &envoy_hcm.HttpFilter{ |
| Name: "envoy.filters.http.grpc_stats", |
| ConfigType: &envoy_hcm.HttpFilter_TypedConfig{ |
| TypedConfig: pbst, |
| }, |
| }) |
| return nil |
| }) |
| } |