Use Gauge instead of fake Enum to count connected users

This commit is contained in:
Tulir Asokan 2020-10-16 16:52:49 +03:00
parent ead8a869c8
commit b76b9ce790

View file

@ -26,6 +26,7 @@ import (
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/prometheus/client_golang/prometheus/promhttp"
log "maunium.net/go/maulogger/v2"
"maunium.net/go/mautrix/event"
"maunium.net/go/mautrix/id"
@ -54,8 +55,10 @@ type MetricsHandler struct {
unencryptedGroupCount prometheus.Gauge
unencryptedPrivateCount prometheus.Gauge
connected *prometheus.GaugeVec
loggedIn *prometheus.GaugeVec
connected prometheus.Gauge
connectedState map[types.WhatsAppID]bool
loggedIn prometheus.Gauge
loggedInState map[types.WhatsAppID]bool
}
func NewMetricsHandler(address string, log log.Logger, db *database.Database) *MetricsHandler {
@ -99,14 +102,16 @@ func NewMetricsHandler(address string, log log.Logger, db *database.Database) *M
unencryptedGroupCount: portalCount.With(prometheus.Labels{"type": "group", "encrypted": "false"}),
unencryptedPrivateCount: portalCount.With(prometheus.Labels{"type": "private", "encrypted": "false"}),
loggedIn: promauto.NewGaugeVec(prometheus.GaugeOpts{
loggedIn: promauto.NewGauge(prometheus.GaugeOpts{
Name: "bridge_logged_in",
Help: "Users logged into the bridge",
}, []string{"jid", "bridge_logged_in"}),
connected: promauto.NewGaugeVec(prometheus.GaugeOpts{
}),
loggedInState: make(map[types.WhatsAppID]bool),
connected: promauto.NewGauge(prometheus.GaugeOpts{
Name: "bridge_connected",
Help: "Users connected to WhatsApp",
}, []string{"jid", "bridge_connected"}),
Help: "Bridge users connected to WhatsApp",
}),
connectedState: make(map[types.WhatsAppID]bool),
}
}
@ -136,26 +141,30 @@ func (mh *MetricsHandler) TrackLoginState(jid types.WhatsAppID, loggedIn bool) {
if !mh.running {
return
}
var loggedInVal float64 = 0
currentVal, ok := mh.loggedInState[jid]
if !ok || currentVal != loggedIn {
mh.loggedInState[jid] = loggedIn
if loggedIn {
loggedInVal = 1
mh.loggedIn.Inc()
} else {
mh.loggedIn.Dec()
}
}
metric := mh.loggedIn.MustCurryWith(prometheus.Labels{"jid": jid})
metric.With(prometheus.Labels{"bridge_logged_in": "true"}).Set(loggedInVal)
metric.With(prometheus.Labels{"bridge_logged_in": "false"}).Set(1 - loggedInVal)
}
func (mh *MetricsHandler) TrackConnectionState(jid types.WhatsAppID, connected bool) {
if !mh.running {
return
}
var connectedVal float64 = 0
currentVal, ok := mh.connectedState[jid]
if !ok || currentVal != connected {
mh.connectedState[jid] = connected
if connected {
connectedVal = 1
mh.connected.Inc()
} else {
mh.connected.Dec()
}
}
metric := mh.connected.MustCurryWith(prometheus.Labels{"jid": jid})
metric.With(prometheus.Labels{"bridge_connected": "true"}).Set(connectedVal)
metric.With(prometheus.Labels{"bridge_connected": "false"}).Set(1 - connectedVal)
}
func (mh *MetricsHandler) updateStats() {