Expand UPS telemetry, charts and raw diagnostics with power estimates

history.go

@@ -28,6 +28,31 @@ func runHistoryCollector(collect func() (dashboardMetrics, error), store *Store)
 
 func (s *Store) AddEntityMetrics(metrics dashboardMetrics) {
 	ts := time.Now().Unix()
+	u := metrics.UPS
+	usable := func(v *float64) *float64 {
+		if !u.Available || !u.CommunicationOK {
+			return nil
+		}
+		return v
+	}
+	for _, item := range []struct {
+		kind, name string
+		value      *float64
+	}{
+		{"ups-voltage", "Вход", u.InputVoltage}, {"ups-voltage", "Выход", u.OutputVoltage},
+		{"ups-battery", "Батарея", u.BatteryVoltage}, {"ups-runtime", "Автономность", u.RuntimeSeconds},
+		{"ups-frequency", "Частота", u.InputFrequency},
+	} {
+		s.AddEntityHistory(item.kind, item.name, ts, usable(item.value), nil)
+	}
+	var measured, estimated *float64
+	if u.PowerEstimated {
+		estimated = u.Power
+	} else {
+		measured = u.Power
+	}
+	s.AddEntityHistory("ups-power", "Измеренная", ts, usable(measured), nil)
+	s.AddEntityHistory("ups-power", "Расчётная ≈", ts, usable(estimated), nil)
 	for _, p := range metrics.ZFS.Pools {
 		v := p.CapacityPercent
 		s.AddEntityHistory("zfs", p.Name, ts, &v, nil)
@@ -99,6 +124,10 @@ func historyPointFromMetrics(metrics dashboardMetrics) HistoryPoint {
 		NetworkTransmit: metrics.Network.TransmitPerSec, UPSCharge: metrics.UPS.ChargePercent,
 		UPSLoad: metrics.UPS.LoadPercent,
 	}
+	if !metrics.UPS.Available || !metrics.UPS.CommunicationOK {
+		point.UPSCharge = nil
+		point.UPSLoad = nil
+	}
 	if temperature := cpuTemperature(metrics.CPU.Temperatures); temperature != nil {
 		point.CPUTemperature = *temperature
 	}