| /* |
| * 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 virtualhosts |
| |
| import ( |
| envoy_config_route_v3 "github.com/envoyproxy/go-control-plane/envoy/config/route/v3" |
| envoy_type_matcher_v3 "github.com/envoyproxy/go-control-plane/envoy/type/matcher/v3" |
| ) |
| |
| import ( |
| envoy_common "github.com/apache/dubbo-kubernetes/pkg/xds/envoy" |
| ) |
| |
| type VirtualHostRouteConfigurer struct { |
| MatchPath string |
| NewPath string |
| Cluster string |
| AllowGetOnly bool |
| } |
| |
| func (c VirtualHostRouteConfigurer) Configure(virtualHost *envoy_config_route_v3.VirtualHost) error { |
| var headersMatcher []*envoy_config_route_v3.HeaderMatcher |
| if c.AllowGetOnly { |
| matcher := envoy_type_matcher_v3.StringMatcher{ |
| MatchPattern: &envoy_type_matcher_v3.StringMatcher_Exact{ |
| Exact: "GET", |
| }, |
| } |
| headersMatcher = []*envoy_config_route_v3.HeaderMatcher{ |
| { |
| Name: ":method", |
| HeaderMatchSpecifier: &envoy_config_route_v3.HeaderMatcher_StringMatch{ |
| StringMatch: &matcher, |
| }, |
| }, |
| } |
| } |
| virtualHost.Routes = append(virtualHost.Routes, &envoy_config_route_v3.Route{ |
| Match: &envoy_config_route_v3.RouteMatch{ |
| PathSpecifier: &envoy_config_route_v3.RouteMatch_Path{ |
| Path: c.MatchPath, |
| }, |
| Headers: headersMatcher, |
| }, |
| Name: envoy_common.AnonymousResource, |
| Action: &envoy_config_route_v3.Route_Route{ |
| Route: &envoy_config_route_v3.RouteAction{ |
| RegexRewrite: &envoy_type_matcher_v3.RegexMatchAndSubstitute{ |
| Pattern: &envoy_type_matcher_v3.RegexMatcher{ |
| EngineType: &envoy_type_matcher_v3.RegexMatcher_GoogleRe2{ |
| GoogleRe2: &envoy_type_matcher_v3.RegexMatcher_GoogleRE2{}, |
| }, |
| Regex: `.*`, |
| }, |
| Substitution: c.NewPath, |
| }, |
| ClusterSpecifier: &envoy_config_route_v3.RouteAction_Cluster{ |
| Cluster: c.Cluster, |
| }, |
| }, |
| }, |
| }) |
| return nil |
| } |