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chore: share Truncate helper between mqtt and http trace logs (#31947)

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andig 2026-07-19 15:53:05 +02:00 • committed by GitHub
parent 8a8abdaede
commit 0b5017e7c1
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GPG key ID: B5690EEEBB952194
2 changed files with 13 additions and 13 deletions
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14
util/request/roundtrip.go
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@ -124,6 +124,14 @@ func drainBody(b io.ReadCloser) (r1, r2 io.ReadCloser, err error) {
return io.NopCloser(&buf), io.NopCloser(bytes.NewReader(buf.Bytes())), nil
}
// Truncate limits a string to LogMaxLen for trace logs, appending an ellipsis when cut
func Truncate(s string) string {
if len(s) > LogMaxLen {
return s[:LogMaxLen] + "..."
}
return s
}
// dump http request/response body
func dump(r io.ReadCloser, w *strings.Builder) error {
body, err := io.ReadAll(r)
@ -133,7 +141,7 @@ func dump(r io.ReadCloser, w *strings.Builder) error {
if w.Len() > 0 && len(body) > 0 {
w.WriteString("\n--\n")
}
_, err = w.Write(bytes.TrimSpace(body[:min(LogMaxLen, len(body))]))
_, err = w.WriteString(Truncate(strings.TrimSpace(string(body))))
return err
}
@ -155,7 +163,7 @@ func (r *roundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
if LogHeaders {
if body, err := httputil.DumpRequestOut(req, true); err == nil {
bld.WriteString("\n")
bld.Write(bytes.TrimSpace(body[:min(LogMaxLen, len(body))]))
bld.WriteString(Truncate(strings.TrimSpace(string(body))))
}
} else {
if save, req.Body, err = drainBody(req.Body); err == nil {
@ -187,7 +195,7 @@ func (r *roundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
if LogHeaders {
if body, err := httputil.DumpResponse(resp, logBody); err == nil {
bld.WriteString("\n\n")
bld.Write(bytes.TrimSpace(body[:min(LogMaxLen, len(body))]))
bld.WriteString(Truncate(strings.TrimSpace(string(body))))
}
} else if logBody {
if save, resp.Body, err = drainBody(resp.Body); err == nil {