Tasmota/tasmota/xsns_75_prometheus.ino

112 lines
4.8 KiB
C++

/*
xsns_75_prometheus.ino - Web based information for Tasmota
Copyright (C) 2020 Theo Arends
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifdef USE_PROMETHEUS
/*********************************************************************************************\
* Prometheus support
\*********************************************************************************************/
#define XSNS_75 75
void HandleMetrics(void)
{
if (!HttpCheckPriviledgedAccess()) { return; }
AddLog_P(LOG_LEVEL_DEBUG, S_LOG_HTTP, PSTR("Prometheus"));
WSContentBegin(200, CT_PLAIN);
char parameter[FLOATSZ];
// Pseudo-metric providing metadata about the running firmware version.
WSContentSend_P(PSTR("# TYPE tasmota_info gauge\ntasmota_info{version=\"%s\",image=\"%s\",build_timestamp=\"%s\"} 1\n"),
TasmotaGlobal.version, TasmotaGlobal.image_name, GetBuildDateAndTime().c_str());
WSContentSend_P(PSTR("# TYPE tasmota_uptime_seconds gauge\ntasmota_uptime_seconds %d\n"), TasmotaGlobal.uptime);
WSContentSend_P(PSTR("# TYPE tasmota_boot_count counter\ntasmota_boot_count %d\n"), Settings.bootcount);
WSContentSend_P(PSTR("# TYPE tasmota_flash_writes_total counter\ntasmota_flash_writes_total %d\n"), Settings.save_flag);
// Pseudo-metric providing metadata about the WiFi station.
WSContentSend_P(PSTR("# TYPE tasmota_wifi_station_info gauge\ntasmota_wifi_station_info{bssid=\"%s\",ssid=\"%s\"} 1\n"), WiFi.BSSIDstr().c_str(), WiFi.SSID().c_str());
// Wi-Fi Signal strength
WSContentSend_P(PSTR("# TYPE tasmota_wifi_station_signal_dbm gauge\ntasmota_wifi_station_signal_dbm{mac_address=\"%s\"} %d\n"), WiFi.BSSIDstr().c_str(), WiFi.RSSI());
if (!isnan(TasmotaGlobal.temperature_celsius)) {
dtostrfd(TasmotaGlobal.temperature_celsius, Settings.flag2.temperature_resolution, parameter);
WSContentSend_P(PSTR("# TYPE tasmotaglobal_temperature_celsius gauge\ntasmotaglobal_temperature_celsius %s\n"), parameter);
}
if (TasmotaGlobal.humidity != 0) {
dtostrfd(TasmotaGlobal.humidity, Settings.flag2.humidity_resolution, parameter);
WSContentSend_P(PSTR("# TYPE tasmotaglobal_humidity gauge\ntasmotaglobal_humidity %s\n"), parameter);
}
if (TasmotaGlobal.pressure_hpa != 0) {
dtostrfd(TasmotaGlobal.pressure_hpa, Settings.flag2.pressure_resolution, parameter);
WSContentSend_P(PSTR("# TYPE tasmotaglobal_pressure_hpa gauge\ntasmotaglobal_pressure_hpa %s\n"), parameter);
}
#ifdef USE_ENERGY_SENSOR
dtostrfd(Energy.voltage[0], Settings.flag2.voltage_resolution, parameter);
WSContentSend_P(PSTR("# TYPE energy_voltage_volts gauge\nenergy_voltage_volts %s\n"), parameter);
dtostrfd(Energy.current[0], Settings.flag2.current_resolution, parameter);
WSContentSend_P(PSTR("# TYPE energy_current_amperes gauge\nenergy_current_amperes %s\n"), parameter);
dtostrfd(Energy.active_power[0], Settings.flag2.wattage_resolution, parameter);
WSContentSend_P(PSTR("# TYPE energy_power_active_watts gauge\nenergy_power_active_watts %s\n"), parameter);
dtostrfd(Energy.daily, Settings.flag2.energy_resolution, parameter);
WSContentSend_P(PSTR("# TYPE energy_power_kilowatts_daily counter\nenergy_power_kilowatts_daily %s\n"), parameter);
dtostrfd(Energy.total, Settings.flag2.energy_resolution, parameter);
WSContentSend_P(PSTR("# TYPE energy_power_kilowatts_total counter\nenergy_power_kilowatts_total %s\n"), parameter);
#endif
/*
// Alternative method using the complete sensor JSON data
// For prometheus it may need to be decoded to # TYPE messages
ResponseClear();
MqttShowSensor();
char json[strlen(TasmotaGlobal.mqtt_data) +1];
snprintf_P(json, sizeof(json), TasmotaGlobal.mqtt_data);
// Do your Prometheus specific processing here.
// Look at function DisplayAnalyzeJson() in file xdrv_13_display.ino as an example how to decode the JSON message
WSContentSend_P(json);
*/
WSContentEnd();
}
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xsns75(uint8_t function)
{
bool result = false;
switch (function) {
case FUNC_WEB_ADD_HANDLER:
WebServer_on(PSTR("/metrics"), HandleMetrics);
break;
}
return result;
}
#endif // USE_PROMETHEUS