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PROMETHEUS_EP: 

add `LossRate` radio statistics to metric
    bugfix: use specific metric types for each inverter metric
pull/1315/head
Frank 2 years ago
parent
40097aba18
commit
938c42925f
2 changed files with 60 additions and 39 deletions
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  1. 6
      doc/prometheus_ep_description.md
  2. 93
      src/web/web.h

6
doc/prometheus_ep_description.md
View File

@ -25,7 +25,7 @@ Prometheus metrics provided at `/metrics`.
| `ahoy_solar_inverter_enabled` | Gauge | Is the inverter enabled? | inverter |
| `ahoy_solar_inverter_is_available` | Gauge | is the inverter available? | inverter |
| `ahoy_solar_inverter_is_producing` | Gauge | Is the inverter producing? | inverter |
| `ahoy_solar_inverter_power_limit_read` | Gauge | Power Limit read from inverter | inverter |
| `ahoy_solar_inverter_power_limit_read` | Gauge | Power Limit read from inverter. Defaults to 65535 | inverter |
| `ahoy_solar_inverter_power_limit_ack` | Gauge | Power Limit acknowledged by inverter | inverter |
| `ahoy_solar_inverter_max_power` | Gauge | Max Power of inverter | inverter |
| `ahoy_solar_inverter_radio_rx_success` | Counter | NRF24 statistic of inverter | inverter |
@ -34,6 +34,10 @@ Prometheus metrics provided at `/metrics`.
| `ahoy_solar_inverter_radio_frame_cnt` | Counter | NRF24 statistic of inverter | inverter |
| `ahoy_solar_inverter_radio_tx_cnt` | Counter | NRF24 statistic of inverter | inverter |
| `ahoy_solar_inverter_radio_retransmits` | Counter | NRF24 statistic of inverter | inverter |
| `ahoy_solar_inverter_radio_iv_rx_cnt` | Counter | NRF24 statistic of inverter | inverter |
| `ahoy_solar_inverter_radio_iv_tx_cnt` | Counter | NRF24 statistic of inverter | inverter |
| `ahoy_solar_inverter_radio_dtu_rx_cnt` | Counter | NRF24 statistic of inverter | inverter |
| `ahoy_solar_inverter_radio_dtu_rx_cnt` | Counter | NRF24 statistic of inverter | inverter |
| `ahoy_solar_U_AC_volt` | Gauge | AC voltage of inverter [V] | inverter |
| `ahoy_solar_I_AC_ampere` | Gauge | AC current of inverter [A] | inverter |
| `ahoy_solar_P_AC_watt` | Gauge | AC power of inverter [W] | inverter |

93
src/web/web.h
View File

@ -628,13 +628,16 @@ class Web {
// NOTE: Grouping for fields with channels and totals is currently not working
// TODO: Handle grouping and sorting for independant from channel number
// NOTE: Check packetsize for MAX_NUM_INVERTERS. Successfully Tested with 4 Inverters (each with 4 channels)
const char * metricPrefix = "ahoy_solar_";
const char * metricConstPrefix = "ahoy_solar_";
const char * metricConstInverterFormat = " {inverter=\"%s\"} %d\n";
typedef enum {
metricsStateInverterInfo=0, metricsStateInverterEnabled=1, metricsStateInverterAvailable=2, metricsStateInverterProducing=3,
metricsStateInverterPowerLimitRead=4, metricsStateInverterPowerLimitAck=5, metricsStateInverterMaxPower=6,
metricsStateInverterRxSuccess=7, metricsStateInverterRxFail=8, metricsStateInverterRxFailAnswer=9,
metricsStateInverterFrameCnt=10, metricsStateInverterTxCnt=11, metricsStateInverterRetransmits=12,
metricStateRealtimeFieldId=metricsStateInverterRetransmits+1, // ensure that this state follows the last per_inverter state
metricsStateInverterInfo=0, metricsStateInverterEnabled=1, metricsStateInverterAvailable=2,
metricsStateInverterProducing=3, metricsStateInverterPowerLimitRead=4, metricsStateInverterPowerLimitAck=5,
metricsStateInverterMaxPower=6, metricsStateInverterRxSuccess=7, metricsStateInverterRxFail=8,
metricsStateInverterRxFailAnswer=9, metricsStateInverterFrameCnt=10, metricsStateInverterTxCnt=11,
metricsStateInverterRetransmits=12, metricsStateInverterIvRxCnt=13, metricsStateInverterIvTxCnt=14,
metricsStateInverterDtuRxCnt=15, metricsStateInverterDtuTxCnt=16,
metricStateRealtimeFieldId=metricsStateInverterDtuTxCnt+1, // ensure that this state follows the last per_inverter state
metricStateRealtimeInverterId,
metricsStateAlarmData,
metricsStateStart,
@ -642,24 +645,29 @@ class Web {
} MetricStep_t;
MetricStep_t metricsStep;
typedef struct {
const char *topic;
const char *type;
const char *format;
const std::function<uint64_t(Inverter<> *iv)> valueFunc;
} InverterMetric_t;
InverterMetric_t inverterMetrics[13] = {
{ "info", "info{name=\"%s\",serial=\"%12llx\"} 1\n", [](Inverter<> *iv)-> uint64_t {return iv->config->serial.u64;} },
{ "is_enabled", "is_enabled {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return iv->config->enabled;} },
{ "is_available", "is_available {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return iv->isAvailable();} },
{ "is_producing", "is_producing {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return iv->isProducing();} },
{ "power_limit_read", "power_limit_read {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return (int64_t)ah::round3(iv->actPowerLimit);} },
{ "power_limit_ack", "power_limit_ack {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return (iv->powerLimitAck)?1:0;} },
{ "max_power", "max_power {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return iv->getMaxPower();} },
{ "radio_rx_success", "radio_rx_success {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.rxSuccess;} },
{ "radio_rx_fail", "radio_rx_fail {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.rxFail;} },
{ "radio_rx_fail_answer", "radio_rx_fail_answer {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.rxFailNoAnser;} },
{ "radio_frame_cnt", "radio_frame_cnt {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.frmCnt;} },
{ "radio_tx_cnt", "radio_tx_cnt {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.txCnt;} },
{ "radio_retransmits", "radio_retransmits {inverter=\"%s\"} %d\n", [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.retransmits;} }
InverterMetric_t inverterMetrics[17] = {
{ "info", "gauge", " {name=\"%s\",serial=\"%12llx\"} 1\n", [](Inverter<> *iv)-> uint64_t {return iv->config->serial.u64;} },
{ "is_enabled", "gauge", metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->config->enabled;} },
{ "is_available", "gauge", metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->isAvailable();} },
{ "is_producing", "gauge", metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->isProducing();} },
{ "power_limit_read", "gauge", metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return (int64_t)ah::round3(iv->actPowerLimit);} },
{ "power_limit_ack", "gauge", metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return (iv->powerLimitAck)?1:0;} },
{ "max_power", "gauge", metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->getMaxPower();} },
{ "radio_rx_success", "counter" ,metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.rxSuccess;} },
{ "radio_rx_fail", "counter" ,metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.rxFail;} },
{ "radio_rx_fail_answer", "counter" ,metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.rxFailNoAnser;} },
{ "radio_frame_cnt", "counter" ,metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.frmCnt;} },
{ "radio_tx_cnt", "counter" ,metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.txCnt;} },
{ "radio_retransmits", "counter" ,metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.retransmits;} },
{ "radio_iv_rx_cnt", "counter" ,metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.ivRxCnt;} },
{ "radio_iv_tx_cnt", "counter" ,metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.ivTxCnt;} },
{ "radio_dtu_rx_cnt", "counter" ,metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.dtuRxCnt;} },
{ "radio_dtu_tx_cnt", "counter" ,metricConstInverterFormat, [](Inverter<> *iv)-> uint64_t {return iv->radioStatistics.dtuTxCnt;} }
};
int metricsInverterId;
uint8_t metricsFieldId;
@ -685,21 +693,21 @@ class Web {
// So several "Info:" blocks are used to keep the transmission going
switch (metricsStep) {
case metricsStateStart: // System Info : fit to one packet
snprintf(type,sizeof(type),"# TYPE %sinfo gauge\n",metricPrefix);
snprintf(topic,sizeof(topic),"%sinfo{version=\"%s\",image=\"\",devicename=\"%s\"} 1\n",metricPrefix,
snprintf(type,sizeof(type),"# TYPE %sinfo gauge\n",metricConstPrefix);
snprintf(topic,sizeof(topic),"%sinfo{version=\"%s\",image=\"\",devicename=\"%s\"} 1\n",metricConstPrefix,
mApp->getVersion(), mConfig->sys.deviceName);
metrics = String(type) + String(topic);
snprintf(type,sizeof(type),"# TYPE %sfreeheap gauge\n",metricPrefix);
snprintf(topic,sizeof(topic),"%sfreeheap{devicename=\"%s\"} %u\n",metricPrefix,mConfig->sys.deviceName,ESP.getFreeHeap());
snprintf(type,sizeof(type),"# TYPE %sfreeheap gauge\n",metricConstPrefix);
snprintf(topic,sizeof(topic),"%sfreeheap{devicename=\"%s\"} %u\n",metricConstPrefix,mConfig->sys.deviceName,ESP.getFreeHeap());
metrics += String(type) + String(topic);
snprintf(type,sizeof(type),"# TYPE %suptime counter\n",metricPrefix);
snprintf(topic,sizeof(topic),"%suptime{devicename=\"%s\"} %u\n",metricPrefix, mConfig->sys.deviceName, mApp->getUptime());
snprintf(type,sizeof(type),"# TYPE %suptime counter\n",metricConstPrefix);
snprintf(topic,sizeof(topic),"%suptime{devicename=\"%s\"} %u\n",metricConstPrefix, mConfig->sys.deviceName, mApp->getUptime());
metrics += String(type) + String(topic);
snprintf(type,sizeof(type),"# TYPE %swifi_rssi_db gauge\n",metricPrefix);
snprintf(topic,sizeof(topic),"%swifi_rssi_db{devicename=\"%s\"} %d\n",metricPrefix, mConfig->sys.deviceName, WiFi.RSSI());
snprintf(type,sizeof(type),"# TYPE %swifi_rssi_db gauge\n",metricConstPrefix);
snprintf(topic,sizeof(topic),"%swifi_rssi_db{devicename=\"%s\"} %d\n",metricConstPrefix, mConfig->sys.deviceName, WiFi.RSSI());
metrics += String(type) + String(topic);
len = snprintf((char *)buffer,maxLen,"%s",metrics.c_str());
@ -721,8 +729,15 @@ class Web {
case metricsStateInverterFrameCnt:
case metricsStateInverterTxCnt:
case metricsStateInverterRetransmits:
metrics = "# TYPE ahoy_solar_inverter_" + String(inverterMetrics[metricsStep].type) + " gauge\n";
metrics += inverterMetric(topic, sizeof(topic),(String("ahoy_solar_inverter_") + inverterMetrics[metricsStep].format).c_str(), inverterMetrics[metricsStep].valueFunc);
case metricsStateInverterIvRxCnt:
case metricsStateInverterIvTxCnt:
case metricsStateInverterDtuRxCnt:
case metricsStateInverterDtuTxCnt:
metrics = "# TYPE ahoy_solar_inverter_" + String(inverterMetrics[metricsStep].topic) + " " + String(inverterMetrics[metricsStep].type) + "\n";
metrics += inverterMetric(topic, sizeof(topic),
(String("ahoy_solar_inverter_") + inverterMetrics[metricsStep].topic +
inverterMetrics[metricsStep].format).c_str(),
inverterMetrics[metricsStep].valueFunc);
len = snprintf((char *)buffer,maxLen,"%s",metrics.c_str());
// ugly hack to increment the enum
metricsStep = static_cast<MetricStep_t>( static_cast<int>(metricsStep) + 1);
@ -763,7 +778,7 @@ class Web {
std::tie(promUnit, promType) = convertToPromUnits(iv->getUnit(metricsChannelId, rec));
// Declare metric only once
if (channel != 0 && !metricDeclared) {
snprintf(type, sizeof(type), "# TYPE %s%s%s %s\n",metricPrefix, iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), promType.c_str());
snprintf(type, sizeof(type), "# TYPE %s%s%s %s\n",metricConstPrefix, iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), promType.c_str());
metrics += type;
metricDeclared = true;
}
@ -777,11 +792,11 @@ class Web {
strncpy(total,"_total",sizeof(total));
}
if (!metricTotalDeclard) {
snprintf(type, sizeof(type), "# TYPE %s%s%s%s %s\n",metricPrefix, iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), total, promType.c_str());
snprintf(type, sizeof(type), "# TYPE %s%s%s%s %s\n",metricConstPrefix, iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), total, promType.c_str());
metrics += type;
metricTotalDeclard = true;
}
snprintf(topic, sizeof(topic), "%s%s%s%s{inverter=\"%s\"}",metricPrefix, iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), total,iv->config->name);
snprintf(topic, sizeof(topic), "%s%s%s%s{inverter=\"%s\"}",metricConstPrefix, iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), total,iv->config->name);
} else {
// Report (non zero) channel value
// Use a fallback channel name (ch0, ch1, ...)if non is given by user
@ -791,7 +806,7 @@ class Web {
} else {
snprintf(chName,sizeof(chName),"ch%1d",channel);
}
snprintf(topic, sizeof(topic), "%s%s%s{inverter=\"%s\",channel=\"%s\"}",metricPrefix, iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), iv->config->name,chName);
snprintf(topic, sizeof(topic), "%s%s%s{inverter=\"%s\",channel=\"%s\"}",metricConstPrefix, iv->getFieldName(metricsChannelId, rec), promUnit.c_str(), iv->config->name,chName);
}
snprintf(val, sizeof(val), " %.3f\n", iv->getValue(metricsChannelId, rec));
metrics += topic;
@ -800,12 +815,14 @@ class Web {
}
}
if (metrics.length() < 1) {
metrics = "# Info: Field #"+String(metricsFieldId)+" not available for inverter #"+String(metricsInverterId)+". Skipping remaining inverters\n";
metrics = "# Info: Field #"+String(metricsFieldId)+" (" + fields[metricsFieldId] +
") not available for inverter #"+String(metricsInverterId)+". Skipping remaining inverters\n";
metricsFieldId++; // Process next field Id
metricsStep = metricStateRealtimeFieldId;
}
} else {
metrics = "# Info: No data for field #"+String(metricsFieldId)+" of inverter #"+String(metricsInverterId)+". Skipping remaining inverters\n";
metrics = "# Info: No data for field #"+String(metricsFieldId)+ " (" + fields[metricsFieldId] +
") of inverter #"+String(metricsInverterId)+". Skipping remaining inverters\n";
metricsFieldId++; // Process next field Id
metricsStep = metricStateRealtimeFieldId;
}
@ -821,7 +838,7 @@ class Web {
case metricsStateAlarmData: // Alarm Info loop : fit to one packet
// Perform grouping on metrics according to Prometheus exposition format specification
snprintf(type, sizeof(type),"# TYPE %s%s gauge\n",metricPrefix,fields[FLD_LAST_ALARM_CODE]);
snprintf(type, sizeof(type),"# TYPE %s%s gauge\n",metricConstPrefix,fields[FLD_LAST_ALARM_CODE]);
metrics = type;
for (metricsInverterId = 0; metricsInverterId < mSys->getNumInverters();metricsInverterId++) {
@ -833,7 +850,7 @@ class Web {
alarmChannelId = 0;
if (alarmChannelId < rec->length) {
std::tie(promUnit, promType) = convertToPromUnits(iv->getUnit(alarmChannelId, rec));
snprintf(topic, sizeof(topic), "%s%s%s{inverter=\"%s\"}",metricPrefix, iv->getFieldName(alarmChannelId, rec), promUnit.c_str(), iv->config->name);
snprintf(topic, sizeof(topic), "%s%s%s{inverter=\"%s\"}",metricConstPrefix, iv->getFieldName(alarmChannelId, rec), promUnit.c_str(), iv->config->name);
snprintf(val, sizeof(val), " %.3f\n", iv->getValue(alarmChannelId, rec));
metrics += topic;
metrics += val;

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