Use HTTP JSON API to collect OpenDTU information with Telegraf

telegraf-opendtu-http.toml

[[inputs.http]]
  name_override = "opendtu"
  urls = [
    "http://opendtu.example.com/api/livedata/status?inv=123456788", # Inverter 1
    "http://opendtu.example.com/api/livedata/status?inv=123456789", # Inverter 2
  ]
  data_format = "json_v2"
  [[inputs.http.json_v2]]
    [[inputs.http.json_v2.tag]]
      path = "inverters.0.serial"
      rename = "serial"
    [[inputs.http.json_v2.tag]]
      path = "inverters.0.name"
      rename = "name"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.AC.0.Power.v"
      rename = "ac_power"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.AC.0.Voltage.v"
      rename = "ac_voltage"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.AC.0.Current.v"
      rename = "ac_current"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.AC.0.Frequency.v"
      rename = "ac_frequency"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.AC.0.PowerFactor.v"
      rename = "ac_power_factor"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.AC.0.ReactivePower.v"
      rename = "ac_reactive_power"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.DC.0.Power.v"
      rename = "dc0_power"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.DC.0.Voltage.v"
      rename = "dc0_voltage"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.DC.0.Current.v"
      rename = "dc0_current"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.DC.0.YieldDay.v"
      rename = "dc0_yield_day"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.DC.0.YieldTotal.v"
      rename = "dc0_yield_total"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.DC.1.Power.v"
      rename = "dc1_power"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.DC.1.Voltage.v"
      rename = "dc1_voltage"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.DC.1.Current.v"
      rename = "dc1_current"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.DC.1.YieldDay.v"
      rename = "dc1_yield_day"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.DC.1.YieldTotal.v"
      rename = "dc1_yield_total"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.INV.0.Power DC.v"
      rename = "inv_dc_power"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.INV.0.YieldDay.v"
      rename = "inv_yield_day"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.INV.0.YieldTotal.v"
      rename = "inv_yield_total"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.INV.0.Temperature.v"
      rename = "inv_temperature"
      type="float"
    [[inputs.http.json_v2.field]]
      path = "inverters.0.INV.0.Efficiency.v"
      rename = "inv_efficiency"
      type="float"