135 lines
4.5 KiB
Go
135 lines
4.5 KiB
Go
/*
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Copyright (c) 2017, Hendrik van Wyk
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of invertergui nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package webgui
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import (
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"github.com/prometheus/client_golang/prometheus"
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)
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type prometheusUpdater struct {
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batteryVoltage prometheus.Gauge
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batteryCharge prometheus.Gauge
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batteryCurrent prometheus.Gauge
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batteryPower prometheus.Gauge
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mainsCurrentIn prometheus.Gauge
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mainsCurrentOut prometheus.Gauge
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mainsVoltageIn prometheus.Gauge
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mainsVoltageOut prometheus.Gauge
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mainsPowerIn prometheus.Gauge
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mainsPowerOut prometheus.Gauge
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mainsFreqIn prometheus.Gauge
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mainsFreqOut prometheus.Gauge
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}
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func newPrometheusUpdater() *prometheusUpdater {
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tmp := &prometheusUpdater{
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batteryVoltage: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "battery_voltage_v",
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Help: "Voltage of the battery.",
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}),
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batteryCharge: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "battery_charge_percentage",
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Help: "Remaining battery charge.",
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}),
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batteryCurrent: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "battery_current_a",
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Help: "Battery current.",
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}),
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batteryPower: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "battery_power_w",
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Help: "Battery power.",
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}),
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mainsCurrentIn: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "mains_current_in_a",
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Help: "Mains current flowing into inverter",
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}),
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mainsCurrentOut: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "mains_current_out_a",
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Help: "Mains current flowing out of inverter",
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}),
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mainsVoltageIn: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "mains_voltage_in_v",
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Help: "Mains voltage at input of inverter",
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}),
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mainsVoltageOut: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "mains_voltage_out_v",
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Help: "Mains voltage at output of inverter",
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}),
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mainsPowerIn: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "mains_power_in_va",
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Help: "Mains power in",
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}),
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mainsPowerOut: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "mains_power_out_va",
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Help: "Mains power out",
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}),
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mainsFreqIn: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "mains_freq_in_hz",
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Help: "Mains frequency at inverter input",
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}),
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mainsFreqOut: prometheus.NewGauge(prometheus.GaugeOpts{
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Name: "mains_freq_out_hz",
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Help: "Mains frequency at inverter output",
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}),
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}
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prometheus.MustRegister(tmp.batteryVoltage,
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tmp.batteryCharge,
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tmp.batteryCurrent,
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tmp.batteryPower,
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tmp.mainsCurrentIn,
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tmp.mainsCurrentOut,
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tmp.mainsVoltageIn,
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tmp.mainsVoltageOut,
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tmp.mainsPowerIn,
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tmp.mainsPowerOut,
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tmp.mainsFreqIn,
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tmp.mainsFreqOut,
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)
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return tmp
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}
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func (pu *prometheusUpdater) updatePrometheus(newStatus *statusProcessed) {
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s := newStatus.status
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pu.batteryVoltage.Set(s.BatVoltage)
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pu.batteryCharge.Set(newStatus.chargeLevel)
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pu.batteryCurrent.Set(s.BatCurrent)
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pu.batteryCurrent.Set(s.BatVoltage * s.BatCurrent)
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pu.mainsCurrentIn.Set(s.InCurrent)
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pu.mainsCurrentOut.Set(s.OutCurrent)
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pu.mainsVoltageIn.Set(s.InVoltage)
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pu.mainsVoltageOut.Set(s.OutVoltage)
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pu.mainsPowerIn.Set(s.InVoltage * s.InCurrent)
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pu.mainsPowerOut.Set(s.OutVoltage * s.OutCurrent)
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pu.mainsFreqIn.Set(s.InFreq)
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pu.mainsFreqIn.Set(s.OutFreq)
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}
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