Ta-Ching ChenandGitHub
c33f1e112e
Istio sidecar proxy blocks all requests sent through the reverse proxy to the target service if the request.Host is not properly set to the internal target service host. This PR sets the target service hosts before establishing the proxy for the client in order to pass the Istio sidecar proxy check.
79 lines
2.3 KiB
Go
79 lines
2.3 KiB
Go
/*
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Copyright 2017 The Fission Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controller
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import (
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"fmt"
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"net/http"
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"net/http/httputil"
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"net/url"
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"github.com/emicklei/go-restful"
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restfulspec "github.com/emicklei/go-restful-openapi"
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"github.com/go-openapi/spec"
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"go.uber.org/zap"
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)
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func RegisterStorageServiceProxyRoute(ws *restful.WebService) {
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tags := []string{"StorageServiceProxy"}
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specTag = append(specTag, spec.Tag{TagProps: spec.TagProps{Name: "StorageServiceProxy", Description: "StorageServiceProxy Operation"}})
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// workaround as go-restful has to set HTTP method explicitly.
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ws.Route(
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ws.POST("/proxy/storage/v1/archive").
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Doc("Create archive").
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Metadata(restfulspec.KeyOpenAPITags, tags).
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To(func(req *restful.Request, resp *restful.Response) {
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resp.ResponseWriter.WriteHeader(http.StatusOK)
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}))
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ws.Route(
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ws.GET("/proxy/storage/v1/archive").
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Doc("Get archive").
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Metadata(restfulspec.KeyOpenAPITags, tags).
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To(func(req *restful.Request, resp *restful.Response) {
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resp.ResponseWriter.WriteHeader(http.StatusOK)
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}))
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ws.Route(
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ws.DELETE("/proxy/storage/v1/archive").
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Doc("Delete archive").
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Metadata(restfulspec.KeyOpenAPITags, tags).
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To(func(req *restful.Request, resp *restful.Response) {
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resp.ResponseWriter.WriteHeader(http.StatusOK)
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}))
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}
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func (api *API) StorageServiceProxy(w http.ResponseWriter, r *http.Request) {
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u := api.storageServiceUrl
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ssUrl, err := url.Parse(u)
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if err != nil {
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e := "error parsing url"
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api.logger.Error(e, zap.Error(err), zap.String("url", u))
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http.Error(w, fmt.Sprintf("%s %s: %v", e, u, err), http.StatusInternalServerError)
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return
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}
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director := func(req *http.Request) {
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req.URL.Scheme = ssUrl.Scheme
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req.URL.Host = ssUrl.Host
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req.URL.Path = "/v1/archive"
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req.Host = ssUrl.Host
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}
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proxy := &httputil.ReverseProxy{
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Director: director,
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}
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proxy.ServeHTTP(w, r)
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}
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