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Do not create a logger instance for each proxy

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Kevin Pollet 2025-01-27 11:24:04 +01:00 committed by GitHub
parent c19cf125e8
commit c5b92b5260
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1 changed files with 7 additions and 1 deletions
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8
pkg/server/service/proxy.go
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@ -26,6 +26,12 @@ const StatusClientClosedRequest = 499
// StatusClientClosedRequestText non-standard HTTP status for client disconnection.
const StatusClientClosedRequestText = "Client Closed Request"
// errorLogger is a logger instance used to log proxy errors.
// This logger is a shared instance as having one instance by proxy introduces a memory and go routine leak.
// The writer go routine is never stopped as the finalizer is never called.
// See https://github.com/sirupsen/logrus/blob/d1e6332644483cfee14de11099f03645561d55f8/writer.go#L57).
var errorLogger = stdlog.New(log.WithoutContext().WriterLevel(logrus.DebugLevel), "", 0)
func buildProxy(passHostHeader *bool, responseForwarding *dynamic.ResponseForwarding, roundTripper http.RoundTripper, bufferPool httputil.BufferPool) (http.Handler, error) {
var flushInterval ptypes.Duration
if responseForwarding != nil {
@ -83,7 +89,7 @@ func buildProxy(passHostHeader *bool, responseForwarding *dynamic.ResponseForwar
Transport: roundTripper,
FlushInterval: time.Duration(flushInterval),
BufferPool: bufferPool,
ErrorLog: stdlog.New(log.WithoutContext().WriterLevel(logrus.DebugLevel), "", 0),
ErrorLog: errorLogger,
ErrorHandler: func(w http.ResponseWriter, request *http.Request, err error) {
statusCode := http.StatusInternalServerError