Add responses total metric

bind_exporter.go

@@ -111,6 +111,19 @@ var (
 		"ValOk":         resolverDNSSECSucess,
 		"ValNegOk":      resolverDNSSECSucess,
 	}
+	serverReponses = prometheus.NewDesc(
+		prometheus.BuildFQName(namespace, "", "responses_total"),
+		"Number of responses sent.",
+		[]string{"result"}, nil,
+	)
+	serverLabelStats = map[string]*prometheus.Desc{
+		"QrySuccess":  serverReponses,
+		"QryReferral": serverReponses,
+		"QryNxrrset":  serverReponses,
+		"QrySERVFAIL": serverReponses,
+		"QryFORMERR":  serverReponses,
+		"QryNXDOMAIN": serverReponses,
+	}
 	tasksRunning = prometheus.NewDesc(
 		prometheus.BuildFQName(namespace, "", "tasks_running"),
 		"Number of running tasks.",
@@ -165,6 +178,7 @@ func (e *Exporter) Describe(ch chan<- *prometheus.Desc) {
 	for _, desc := range resolverMetricStats {
 		ch <- desc
 	}
+	ch <- serverReponses
 	ch <- tasksRunning
 	ch <- workerThreads
 }
@@ -210,6 +224,15 @@ func (e *Exporter) Collect(ch chan<- prometheus.Metric) {
 		)
 	}
 
+	for _, s := range stats.Server.NsStats {
+		if desc, ok := serverLabelStats[s.Name]; ok {
+			r := strings.TrimPrefix(s.Name, "Qry")
+			ch <- prometheus.MustNewConstMetric(
+				desc, prometheus.CounterValue, float64(s.Counter), r,
+			)
+		}
+	}
+
 	for _, v := range stats.Views {
 		for _, s := range v.Cache {
 			ch <- prometheus.MustNewConstMetric(

struct.go

@@ -73,7 +73,7 @@ type Server struct {
 	Requests  Requests  `xml:"requests"`   //Most important stats
 	QueriesIn QueriesIn `xml:"queries-in"` //Most important stats
 
-	NsStats     []Stat `xml:"nstat"`
+	NsStats     []Stat `xml:"nsstat"`
 	SocketStats []Stat `xml:"socketstat"`
 	ZoneStats   []Stat `xml:"zonestats"`
 }