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@ -58,8 +58,11 @@ func init() { |
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// `{http.reverse_proxy.upstream.max_requests}` | The maximum approximate number of requests allowed to the upstream
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// `{http.reverse_proxy.upstream.fails}` | The number of recent failed requests to the upstream
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// `{http.reverse_proxy.upstream.latency}` | How long it took the proxy upstream to write the response header.
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// `{http.reverse_proxy.upstream.latency_ms}` | Same as 'latency', but in milliseconds.
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// `{http.reverse_proxy.upstream.duration}` | Time spent proxying to the upstream, including writing response body to client.
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// `{http.reverse_proxy.upstream.duration_ms}` | Same as 'upstream.duration', but in milliseconds.
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// `{http.reverse_proxy.duration}` | Total time spent proxying, including selecting an upstream, retries, and writing response.
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// `{http.reverse_proxy.duration_ms}` | Same as 'duration', but in milliseconds.
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type Handler struct { |
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// Configures the method of transport for the proxy. A transport
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// is what performs the actual "round trip" to the backend.
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@ -400,6 +403,7 @@ func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request, next caddyht |
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defer func() { |
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// total proxying duration, including time spent on LB and retries
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repl.Set("http.reverse_proxy.duration", time.Since(start)) |
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repl.Set("http.reverse_proxy.duration_ms", time.Since(start).Seconds()*1e3) // multiply seconds to preserve decimal (see #4666)
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}() |
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// in the proxy loop, each iteration is an attempt to proxy the request,
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@ -724,6 +728,7 @@ func (h *Handler) reverseProxy(rw http.ResponseWriter, req *http.Request, repl * |
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// duration until upstream wrote response headers (roundtrip duration)
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repl.Set("http.reverse_proxy.upstream.latency", duration) |
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repl.Set("http.reverse_proxy.upstream.latency_ms", duration.Seconds()*1e3) // multiply seconds to preserve decimal (see #4666)
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// update circuit breaker on current conditions
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if di.Upstream.cb != nil { |
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@ -909,6 +914,7 @@ func (h Handler) finalizeResponse( |
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// total duration spent proxying, including writing response body
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repl.Set("http.reverse_proxy.upstream.duration", time.Since(start)) |
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repl.Set("http.reverse_proxy.upstream.duration_ms", time.Since(start).Seconds()*1e3) |
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if len(res.Trailer) == announcedTrailers { |
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copyHeader(rw.Header(), res.Trailer) |
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