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retry only on real network errors

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Now retries only happen when actual network errors occur and not only
anymore based on the HTTP status code. This is because the backend could
also send this status codes as their normal interface and in that case
we don't want to retry.
This commit is contained in:
Marco Jantke 2017-05-03 10:20:33 +02:00 • committed by Ludovic Fernandez
parent 131d8dd765
commit f79317a435
6 changed files with 202 additions and 9 deletions
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2
middlewares/prometheus_test.go
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@ -151,7 +151,7 @@ func TestPrometheusRegisterMetricsMultipleTimes(t *testing.T) {
func setupTestHTTPHandler() http.Handler {
serveMux := http.NewServeMux()
serveMux.Handle("/metrics", promhttp.Handler())
serveMux.Handle("/ok", &networkFailingHTTPHandler{failAtCalls: []int{1}})
serveMux.Handle("/ok", &networkFailingHTTPHandler{failAtCalls: []int{1}, netErrorRecorder: &DefaultNetErrorRecorder{}})
metrics, _ := newPrometheusMetrics()