Check status code when polling finished #140
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Reverse proxies(e.g. nginx / AWS ALB ) replies with
504 Gateway Tiemout
response when idle timeout elapsed.Default value of idle timeouts for AWS ALB / nginx are 60 seconds.
When pushprox-proxy has not received any scrape requests pushprox-client receives
504
reponse after idle timeout elapsed.So, I've added checking http response status code before reading the response body.
Fix. #77 #118