ghostream/internal/monitoring/monitoring.go

44 lines
1.3 KiB
Go

package monitoring
import (
"log"
"net/http"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/prometheus/client_golang/prometheus/promhttp"
)
// Options holds web package configuration
type Options struct {
ListenAddress string
}
var (
// WebViewerServed is the total amount of viewer page served
WebViewerServed = promauto.NewCounter(prometheus.CounterOpts{
Name: "ghostream_web_viewer_served_total",
Help: "The total amount of viewer served",
})
// WebSessions is the total amount of WebRTC session exchange
WebSessions = promauto.NewCounter(prometheus.CounterOpts{
Name: "ghostream_web_sessions_total",
Help: "The total amount of WebRTC sessions exchanged",
})
// WebRTCConnectedSessions is the total amount of WebRTC session exchange
WebRTCConnectedSessions = promauto.NewGauge(prometheus.GaugeOpts{
Name: "ghostream_webrtc_connected_sessions",
Help: "The current amount of opened WebRTC sessions",
})
)
// Serve monitoring server that expose prometheus metrics
func Serve(cfg *Options) {
mux := http.NewServeMux()
mux.Handle("/metrics", promhttp.Handler())
log.Printf("Monitoring HTTP server listening on %s", cfg.ListenAddress)
log.Fatal(http.ListenAndServe(cfg.ListenAddress, mux))
}