2022-10-10 19:50:29 +01:00
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# Solax2MQTT
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Scrapes the HTTP endpoint of a Solax X1-Boost G3 with PocketWIFI v3 firmware and
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pushes the scraped values to an MQTT server. Other inverter models are available
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but I only have access to this one.
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Most of the data for this project came from [`squishykid/solax`](https://github.com/squishykid/solax).
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Configuration is currently done by editing the source code and recompiling.
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PocketWIFI is dreadfully insecure. Use Modbus-RTU or, at the very least, a
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PocketLAN, if you can. I'll be switching as soon as I'm able to.
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The PocketWIFI squirts MQTTS to their cloud servers, but they don't verify TLS
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so it can be trivially intercepted. However, the messages are in a useless (to
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me) binary format.
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2022-10-10 19:53:34 +01:00
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Once the metrics are in MQTT, they can be sent to prometheus using
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[`mqtt2prometheus`](https://github.com/hikhvar/mqtt2prometheus):
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```yaml
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---
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# Remaining mqtt2prometheus options...
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json_parsing:
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separator: .
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metrics:
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- prom_name: inverter_ac_volts
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mqtt_name: inverter.ac_net_voltage_volts
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help: AC voltage measured by the inverter
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type: gauge
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- prom_name: inverter_ac_output_amps
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mqtt_name: inverter.ac_out_current_amps
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help: Inverter AC current
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type: gauge
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- prom_name: inverter_ac_output_watts
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mqtt_name: inverter.ac_out_power_watts
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help: Inverter AC power
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type: gauge
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- prom_name: inverter_pv1_volts
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mqtt_name: inverter.pv1_voltage_volts
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help: String 1 voltage
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type: gauge
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- prom_name: inverter_pv1_amps
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mqtt_name: inverter.pv1_current_amps
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help: String 1 current
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type: gauge
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- prom_name: inverter_pv1_watts
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mqtt_name: inverter.pv1_power_watts
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help: String 1 power
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type: gauge
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- prom_name: inverter_ac_hz
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mqtt_name: inverter.ac_net_frequency_hz
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help: AC frequency measured by the inverter
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type: gauge
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- prom_name: inverter_status
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mqtt_name: inverter.status
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help: Inverter status
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type: gauge
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- prom_name: inverter_generated_kwh_total
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mqtt_name: inverter.energy_generated_kwh_total
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help: KWh generated to date
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type: counter
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- prom_name: inverter_generated_kwh_today
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mqtt_name: inverter.energy_generated_kwh_today
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help: KWh generated today
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type: gauge
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- prom_name: inverter_external_temperature_kelvin
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mqtt_name: inverter.temp_external_kelvin
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help: Temperature measured from the outside of the inverter
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type: gauge
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- prom_name: inverter_internal_temperature_kelvin
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mqtt_name: inverter.temp_internal_kelvin
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help: Temperature measured from the inside of the inverter
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type: gauge
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- prom_name: inverter_runtime_hours_total
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mqtt_name: inverter.runtime_hours
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help: Inverter runtime
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type: counter
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```
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