| /* |
| * 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 xds |
| |
| import ( |
| envoy_hcm "github.com/envoyproxy/go-control-plane/envoy/extensions/filters/network/http_connection_manager/v3" |
| |
| "github.com/pkg/errors" |
| ) |
| |
| func InsertHTTPFiltersBeforeRouter(manager *envoy_hcm.HttpConnectionManager, newFilters ...*envoy_hcm.HttpFilter) error { |
| for i, filter := range manager.HttpFilters { |
| if filter.Name == "envoy.filters.http.router" { |
| // insert new filters before router |
| manager.HttpFilters = append(append(manager.HttpFilters[:i:i], newFilters...), manager.HttpFilters[i:]...) |
| return nil |
| } |
| } |
| return errors.New("could not insert filter, envoy.filters.http.router is not found in HTTPConnectionManager") |
| } |