From 0cb50c05fc4ef24a109be368526a935c4b479894 Mon Sep 17 00:00:00 2001
From: Anton Kaliaev <anton.kalyaev@gmail.com>
Date: Fri, 15 Jun 2018 14:45:21 +0400
Subject: [PATCH] add rounds metric

---
 consensus/metrics.go | 1 +
 consensus/state.go   | 1 +
 node/node.go         | 5 +++++
 3 files changed, 7 insertions(+)

diff --git a/consensus/metrics.go b/consensus/metrics.go
index 064e5be5c..169c2fd76 100644
--- a/consensus/metrics.go
+++ b/consensus/metrics.go
@@ -7,6 +7,7 @@ import "github.com/go-kit/kit/metrics/discard"
 // see MetricsProvider for descriptions.
 type Metrics struct {
 	Height metrics.Counter
+	Rounds metrics.Gauge
 
 	Validators               metrics.Gauge
 	ValidatorsPower          metrics.Gauge
diff --git a/consensus/state.go b/consensus/state.go
index 61e01a9be..f078663dd 100644
--- a/consensus/state.go
+++ b/consensus/state.go
@@ -697,6 +697,7 @@ func (cs *ConsensusState) enterNewRound(height int64, round int) {
 	}
 
 	logger.Info(cmn.Fmt("enterNewRound(%v/%v). Current: %v/%v/%v", height, round, cs.Height, cs.Round, cs.Step))
+	cs.metrics.Rounds.Set(float64(round))
 
 	// Increment validators if necessary
 	validators := cs.Validators
diff --git a/node/node.go b/node/node.go
index 79862088a..5630df6c0 100644
--- a/node/node.go
+++ b/node/node.go
@@ -102,6 +102,11 @@ func DefaultMetricsProvider() *cs.Metrics {
 			Name:      "height",
 			Help:      "Height of the chain.",
 		}, []string{}),
+		Rounds: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
+			Subsystem: "consensus",
+			Name:      "rounds",
+			Help:      "Number of rounds.",
+		}, []string{}),
 
 		Validators: prometheus.NewGaugeFrom(stdprometheus.GaugeOpts{
 			Subsystem: "consensus",