diff options
Diffstat (limited to 'modules/caddyhttp/reverseproxy/reverseproxy.go')
| -rw-r--r-- | modules/caddyhttp/reverseproxy/reverseproxy.go | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/modules/caddyhttp/reverseproxy/reverseproxy.go b/modules/caddyhttp/reverseproxy/reverseproxy.go index 64a7d7a..08be40d 100644 --- a/modules/caddyhttp/reverseproxy/reverseproxy.go +++ b/modules/caddyhttp/reverseproxy/reverseproxy.go @@ -191,6 +191,13 @@ type Handler struct { // - `{http.reverse_proxy.header.*}` The headers from the response HandleResponse []caddyhttp.ResponseHandler `json:"handle_response,omitempty"` + // If set, the proxy will write very detailed logs about its + // inner workings. Enable this only when debugging, as it + // will produce a lot of output. + // + // EXPERIMENTAL: This feature is subject to change or removal. + VerboseLogs bool `json:"verbose_logs,omitempty"` + Transport http.RoundTripper `json:"-"` CB CircuitBreaker `json:"-"` DynamicUpstreams UpstreamSource `json:"-"` @@ -943,9 +950,15 @@ func (h *Handler) finalizeResponse( } rw.WriteHeader(res.StatusCode) + if h.VerboseLogs { + logger.Debug("wrote header") + } - err := h.copyResponse(rw, res.Body, h.flushInterval(req, res)) - res.Body.Close() // close now, instead of defer, to populate res.Trailer + err := h.copyResponse(rw, res.Body, h.flushInterval(req, res), logger) + errClose := res.Body.Close() // close now, instead of defer, to populate res.Trailer + if h.VerboseLogs || errClose != nil { + logger.Debug("closed response body from upstream", zap.Error(errClose)) + } if err != nil { // we're streaming the response and we've already written headers, so // there's nothing an error handler can do to recover at this point; @@ -979,6 +992,10 @@ func (h *Handler) finalizeResponse( } } + if h.VerboseLogs { + logger.Debug("response finalized") + } + return nil } |