Merge pull request #46 from robbiet480/master

Restore upstream metrics removed by e40ee9

Author: sysulq

nginx_vts_exporter.go

@@ -281,6 +281,16 @@ func (e *Exporter) Collect(ch chan<- prometheus.Metric) {
 
 			ch <- prometheus.MustNewConstMetric(e.upstreamMetrics["response"], prometheus.GaugeValue, float64(s.ResponseMsec), name, s.Server)
 		}
+
+		ch <- prometheus.MustNewConstMetric(e.upstreamMetrics["requests"], prometheus.CounterValue, total, name, "total")
+		ch <- prometheus.MustNewConstMetric(e.upstreamMetrics["requests"], prometheus.CounterValue, one, name, "1xx")
+		ch <- prometheus.MustNewConstMetric(e.upstreamMetrics["requests"], prometheus.CounterValue, two, name, "2xx")
+		ch <- prometheus.MustNewConstMetric(e.upstreamMetrics["requests"], prometheus.CounterValue, three, name, "3xx")
+		ch <- prometheus.MustNewConstMetric(e.upstreamMetrics["requests"], prometheus.CounterValue, four, name, "4xx")
+		ch <- prometheus.MustNewConstMetric(e.upstreamMetrics["requests"], prometheus.CounterValue, five, name, "5xx")
+
+		ch <- prometheus.MustNewConstMetric(e.upstreamMetrics["bytes"], prometheus.CounterValue, inbytes, name, "in")
+		ch <- prometheus.MustNewConstMetric(e.upstreamMetrics["bytes"], prometheus.CounterValue, outbytes, name, "out")
 	}
 	// FilterZones
 	for filter, values := range nginxVtx.FilterZones {