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Use default channel name if non is set. Export inverter metrics as <XX>_total metric if channel metrics also available.

pull/1148/head
Frank 1 year ago
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6b721cbe0c
commit
7673721bd7
2 changed files with 54 additions and 36 deletions
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  1. 9
      doc/prometheus_ep_description.md
  2. 21
      src/web/web.h

9
doc/prometheus_ep_description.md
View File

@ -16,7 +16,7 @@ Prometheus metrics provided at `/metrics`.
## Exported Metrics
| Metric name | Type | Description | Labels |
|----------------------------------------|---------|--------------------------------------------------------|--------------|
|----------------------------------------------|---------|----------------------------------------------------------|--------------|
| `ahoy_solar_info` | Gauge | Information about the AhoyDTU device | version, image, devicename |
| `ahoy_solar_uptime` | Counter | Seconds since boot of the AhoyDTU device | devicename |
| `ahoy_solar_rssi_db` | Gauge | Quality of the Wifi STA connection | devicename |
@ -33,13 +33,16 @@ Prometheus metrics provided at `/metrics`.
| `ahoy_solar_Temp_celsius` | Gauge | Temperature of inverter | inverter |
| `ahoy_solar_ALARM_MES_ID` | Gauge | Alarm message index of inverter | inverter |
| `ahoy_solar_LastAlarmCode` | Gauge | Last alarm code from inverter | inverter |
| `ahoy_solar_YieldDay_wattHours` | Counter | Energy converted to AC per day [Wh] | inverter |
| `ahoy_solar_YieldTotal_kilowattHours` | Counter | Energy converted to AC since reset [kWh] | inverter |
| `ahoy_solar_YieldDay_wattHours` | Counter | Energy converted to AC per day [Wh] | inverter,channel |
| `ahoy_solar_YieldDay_wattHours_total` | Counter | Energy converted to AC per day [Wh] for all moduls | inverter |
| `ahoy_solar_YieldTotal_kilowattHours` | Counter | Energy converted to AC since reset [kWh] | inverter,channel |
| `ahoy_solar_YieldTotal_kilowattHours_total` | Counter | Energy converted to AC since reset [kWh] for all modules | inverter |
| `ahoy_solar_P_DC_watt` | Gauge | DC power of inverter [W] | inverter |
| `ahoy_solar_Efficiency_ratio` | Gauge | ration AC Power over DC Power [%] | inverter |
| `ahoy_solar_U_DC_volt` | Gauge | DC voltage of channel [V] | inverter, channel |
| `ahoy_solar_I_DC_ampere` | Gauge | DC current of channel [A] | inverter, channel |
| `ahoy_solar_P_DC_watt` | Gauge | DC power of channel [P] | inverter, channel |
| `ahoy_solar_P_DC_watt_total` | Gauge | DC power of inverter [P] | inverter |
| `ahoy_solar_YieldDay_wattHours` | Counter | Energy converted to AC per day [Wh] | inverter, channel |
| `ahoy_solar_YieldTotal_kilowattHours` | Counter | Energy converted to AC since reset [kWh] | inverter, channel |
| `ahoy_solar_Irradiation_ratio` | Gauge | ratio DC Power over set maximum power per channel [%] | inverter, channel |

21
src/web/web.h
View File

@ -800,16 +800,31 @@ class Web {
// This is the correct field to report
std::tie(promUnit, promType) = convertToPromUnits(iv->getUnit(metricsChannelId, rec));
// Declare metric only once
if (!metricDeclared) {
if (channel != 0 && !metricDeclared) {
snprintf(type, sizeof(type), "# TYPE ahoy_solar_%s%s %s\n", iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), promType.c_str());
metrics += type;
metricDeclared = true;
}
// report value
if (0 == channel) {
snprintf(topic, sizeof(topic), "ahoy_solar_%s%s{inverter=\"%s\"}", iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), iv->config->name);
char total[7];
total[0] = 0;
if (metricDeclared) {
// A declaration and value for channels has been delivered. So declare and deliver a _total metric
strncpy(total,"_total",sizeof(total));
}
snprintf(type, sizeof(type), "# TYPE ahoy_solar_%s%s%s %s\n", iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), total, promType.c_str());
metrics += type;
snprintf(topic, sizeof(topic), "ahoy_solar_%s%s%s{inverter=\"%s\"}", iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), total,iv->config->name);
} else {
snprintf(topic, sizeof(topic), "ahoy_solar_%s%s{inverter=\"%s\",channel=\"%s\"}", iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), iv->config->name,iv->config->chName[channel-1]);
// Use a fallback channel name (ch0, ch1, ...)if non is given by user
char chName[MAX_NAME_LENGTH];
if (iv->config->chName[channel-1][0] != 0) {
strncpy(chName, iv->config->chName[channel-1], sizeof(chName));
} else {
snprintf(chName,sizeof(chName),"ch%1d",channel);
}
snprintf(topic, sizeof(topic), "ahoy_solar_%s%s{inverter=\"%s\",channel=\"%s\"}", iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), iv->config->name,chName);
}
snprintf(val, sizeof(val), " %.3f\n", iv->getValue(metricsChannelId, rec));
metrics += topic;

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