/
httpdebug_transport.go
70 lines (63 loc) · 2.2 KB
/
httpdebug_transport.go
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/*
*
* k6 - a next-generation load testing tool
* Copyright (C) 2019 Load Impact
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package httpext
import (
"bytes"
"net/http"
"net/http/httputil"
uuid "github.com/nu7hatch/gouuid"
"github.com/sirupsen/logrus"
)
type httpDebugTransport struct {
originalTransport http.RoundTripper
httpDebugOption string
logger logrus.FieldLogger
}
// RoundTrip prints passing HTTP requests and received responses
//
// TODO: massively improve this, because the printed information can be wrong:
// - https://github.com/loadimpact/k6/issues/986
// - https://github.com/loadimpact/k6/issues/1042
// - https://github.com/loadimpact/k6/issues/774
func (t httpDebugTransport) RoundTrip(req *http.Request) (*http.Response, error) {
id, _ := uuid.NewV4()
t.debugRequest(req, id.String())
resp, err := t.originalTransport.RoundTrip(req)
t.debugResponse(resp, id.String())
return resp, err
}
func (t httpDebugTransport) debugRequest(req *http.Request, requestID string) {
dump, err := httputil.DumpRequestOut(req, t.httpDebugOption == "full")
if err != nil {
t.logger.Error(err)
}
t.logger.WithField("request_id", requestID).Infof("Request:\n%s\n",
bytes.ReplaceAll(dump, []byte("\r\n"), []byte{'\n'}))
}
func (t httpDebugTransport) debugResponse(res *http.Response, requestID string) {
if res != nil {
dump, err := httputil.DumpResponse(res, t.httpDebugOption == "full")
if err != nil {
t.logger.Error(err)
}
t.logger.WithField("request_id", requestID).Infof("Response:\n%s\n",
bytes.ReplaceAll(dump, []byte("\r\n"), []byte{'\n'}))
}
}