Add version metric (#779)

nspcc-dev · May 12, 2023 · ce89b38 · ce89b38
2 parents 129e09c + 380af94
commit ce89b38
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Showing 2 changed files with 14 additions and 0 deletions.
diff --git a/cmd/s3-gw/app.go b/cmd/s3-gw/app.go
@@ -185,6 +185,7 @@ func (a *App) initAPI(ctx context.Context) {
 
 func (a *App) initMetrics() {
 	gateMetricsProvider := newGateMetrics(neofs.NewPoolStatistic(a.pool))
+	gateMetricsProvider.SetGWVersion(version.Version)
 	a.metrics = newAppMetrics(a.log, gateMetricsProvider, a.cfg.GetBool(cfgPrometheusEnabled))
 }
 

diff --git a/cmd/s3-gw/app_metrics.go b/cmd/s3-gw/app_metrics.go
@@ -43,6 +43,7 @@ type GateMetrics struct {
 
 type stateMetrics struct {
 	healthCheck prometheus.Gauge
+	gwVersion   *prometheus.GaugeVec
 }
 
 type poolMetricsCollector struct {
@@ -80,6 +81,14 @@ func newStateMetrics() *stateMetrics {
 			Name:      "health",
 			Help:      "Current S3 gateway state",
 		}),
+		gwVersion: prometheus.NewGaugeVec(
+			prometheus.GaugeOpts{
+				Help:      "Gateway version",
+				Name:      "version",
+				Namespace: namespace,
+			},
+			[]string{"version"},
+		),
 	}
 }
 
@@ -238,3 +247,7 @@ func NewPrometheusService(v *viper.Viper, log *zap.Logger) *Service {
 		log:         log.With(zap.String("service", "Prometheus")),
 	}
 }
+
+func (g *GateMetrics) SetGWVersion(ver string) {
+	g.gwVersion.WithLabelValues(ver).Add(1)
+}