added the rpx_sessions counter

server-metrics.go

@@ -12,7 +12,8 @@ type ServerCollector struct {
 	ServerPeers      *prometheus.Desc
 	SshProxySessions *prometheus.Desc
 	PtySessions      *prometheus.Desc
-	RptySessions      *prometheus.Desc
+	RptySessions     *prometheus.Desc
+	RpxSessions      *prometheus.Desc
 }
 
 // NewServerCollector returns a new ServerCollector with all prometheus.Desc initialized
@@ -64,6 +65,11 @@ func NewServerCollector(server *Server) ServerCollector {
 			"Number of rpty session",
 			nil, nil,
 		),
+		RpxSessions: prometheus.NewDesc(
+			prefix + "rpx_sessions",
+			"Number of rpx session",
+			nil, nil,
+		),
 	}
 }
 
@@ -75,6 +81,7 @@ func (c ServerCollector) Describe(ch chan<- *prometheus.Desc) {
 	ch <- c.SshProxySessions
 	ch <- c.PtySessions
 	ch <- c.RptySessions
+	ch <- c.RpxSessions
 }
 
 func (c ServerCollector) Collect(ch chan<- prometheus.Metric) {
@@ -123,4 +130,10 @@ func (c ServerCollector) Collect(ch chan<- prometheus.Metric) {
 		prometheus.GaugeValue,
 		float64(c.server.stats.rpty_sessions.Load()),
 	)
+
+	ch <- prometheus.MustNewConstMetric(
+		c.RpxSessions,
+		prometheus.GaugeValue,
+		float64(c.server.stats.rpx_sessions.Load()),
+	)
 }