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Fix peering metrics bug (#15178) 

This bug was caused by the peering health metric being set to NaN.
This commit is contained in:
Eric Haberkorn 2022-10-28 10:51:12 -04:00 committed by GitHub
parent 571fd7b6db
commit 57fb729547
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3 changed files with 11 additions and 14 deletions
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3
.changelog/15178.txt Normal file
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@ -0,0 +1,3 @@
```release-note:bug
peering: Fix a bug that resulted in /v1/agent/metrics returning an error.
```

19
agent/consul/leader_peering.go
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@ -122,19 +122,14 @@ func (s *Server) emitPeeringMetricsOnce(metricsImpl *metrics.Metrics) error {
}
// peering health metric
if status.NeverConnected {
metricsImpl.SetGaugeWithLabels(leaderHealthyPeeringKeyDeprecated, float32(math.NaN()), labels)
metricsImpl.SetGaugeWithLabels(leaderHealthyPeeringKey, float32(math.NaN()), labels)
} else {
healthy := s.peerStreamServer.Tracker.IsHealthy(status)
healthyInt := 0
if healthy {
healthyInt = 1
}
metricsImpl.SetGaugeWithLabels(leaderHealthyPeeringKeyDeprecated, float32(healthyInt), labels)
metricsImpl.SetGaugeWithLabels(leaderHealthyPeeringKey, float32(healthyInt), labels)
healthy := 0
switch {
case status.NeverConnected:
case s.peerStreamServer.Tracker.IsHealthy(status):
healthy = 1
}
metricsImpl.SetGaugeWithLabels(leaderHealthyPeeringKeyDeprecated, float32(healthy), labels)
metricsImpl.SetGaugeWithLabels(leaderHealthyPeeringKey, float32(healthy), labels)
}
return nil

3
agent/consul/leader_peering_test.go
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@ -7,7 +7,6 @@ import (
"errors"
"fmt"
"io/ioutil"
"math"
"net"
"testing"
"time"
@ -1445,7 +1444,7 @@ func TestLeader_PeeringMetrics_emitPeeringMetrics(t *testing.T) {
healthyMetric3, ok := intv.Gauges[keyHealthyMetric3]
require.True(r, ok, fmt.Sprintf("did not find the key %q", keyHealthyMetric3))
require.True(r, math.IsNaN(float64(healthyMetric3.Value)))
require.Equal(r, float32(0), healthyMetric3.Value)
})
}