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c182a0af82
Add Host field to the queue.Request struct and copy it from Host field of the HTTP request when converting HTTP request to queue.Request in MakeQueuedProxy function. Signed-off-by: Dmitri Rubinstein <dmitri.rubinstein@googlemail.com>
69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
// Copyright (c) Alex Ellis 2017. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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package handlers
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"net/url"
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"github.com/gorilla/mux"
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"github.com/openfaas/faas/gateway/metrics"
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"github.com/openfaas/faas/gateway/queue"
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)
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// MakeQueuedProxy accepts work onto a queue
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func MakeQueuedProxy(metrics metrics.MetricOptions, wildcard bool, canQueueRequests queue.CanQueueRequests) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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defer r.Body.Close()
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body, err := ioutil.ReadAll(r.Body)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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w.Write([]byte(err.Error()))
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return
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}
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vars := mux.Vars(r)
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name := vars["name"]
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callbackURLHeader := r.Header.Get("X-Callback-Url")
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var callbackURL *url.URL
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if len(callbackURLHeader) > 0 {
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urlVal, urlErr := url.Parse(callbackURLHeader)
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if urlErr != nil {
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w.WriteHeader(http.StatusBadRequest)
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w.Write([]byte(urlErr.Error()))
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return
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}
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callbackURL = urlVal
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}
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req := &queue.Request{
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Function: name,
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Body: body,
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Method: r.Method,
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QueryString: r.URL.RawQuery,
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Header: r.Header,
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Host: r.Host,
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CallbackURL: callbackURL,
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}
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err = canQueueRequests.Queue(req)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte(err.Error()))
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fmt.Println(err)
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return
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}
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w.WriteHeader(http.StatusAccepted)
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}
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}
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