Add last_observed_height metric

ChorusOne · Dec 19, 2024 · bd8502c · bd8502c
1 parent 90fc26b
commit bd8502c
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Showing 2 changed files with 16 additions and 6 deletions.
diff --git a/internal/pkg/daemon/daemon.go b/internal/pkg/daemon/daemon.go
@@ -349,6 +349,7 @@ func (d *Daemon) waitForUpgrade(ctx context.Context, cfg *config.Config) (int64,
 				logger.Err(err).Error("Error received from HeightWatcher")
 				continue
 			}
+			d.metrics.LastObservedHeight.Set(float64(newHeight.Height))
 			currBlockHeight := newHeight.Height
 			lastBlockHeight := d.currHeight
 

diff --git a/internal/pkg/metrics/metrics.go b/internal/pkg/metrics/metrics.go
@@ -14,12 +14,13 @@ const (
 )
 
 type Metrics struct {
-	Up              prometheus.Gauge
-	BlocksToUpgrade *prometheus.GaugeVec
-	UpwErrs         prometheus.Counter
-	UiwErrs         prometheus.Counter
-	HwErrs          prometheus.Counter
-	NotifErrs       prometheus.Counter
+	Up                 prometheus.Gauge
+	BlocksToUpgrade    *prometheus.GaugeVec
+	LastObservedHeight prometheus.Gauge
+	UpwErrs            prometheus.Counter
+	UiwErrs            prometheus.Counter
+	HwErrs             prometheus.Counter
+	NotifErrs          prometheus.Counter
 }
 
 func NewMetrics(composeFile, hostname, version string) *Metrics {
@@ -43,6 +44,14 @@ func NewMetrics(composeFile, hostname, version string) *Metrics {
 			},
 			[]string{"upgrade_height", "upgrade_name", "upgrade_status", "upgrade_step", "chain_id", "validator_address"},
 		),
+		LastObservedHeight: promauto.NewGauge(
+			prometheus.GaugeOpts{
+				Namespace:   namespace,
+				Name:        "last_observed_height",
+				Help:        "Last block height observed by the height watcher",
+				ConstLabels: labels,
+			},
+		),
 		UpwErrs: promauto.NewCounter(
 			prometheus.CounterOpts{
 				Namespace:   namespace,