refactor healtcheck interface
now using first class functions for checkers, should be simpler to plug functionality is the samedevelop
parent
bf853e0ff4
commit
c80c760d41
@ -0,0 +1,36 @@
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package core
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import (
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"fmt"
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"time"
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)
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var checkMeasurementAge = checkType{
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name: "measurement_age",
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toString: func(r CheckResult) string {
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return fmt.Sprintf("No measurement from %s (%s) since %s", r.TargetName, r.Target, r.Value)
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},
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checkFunc: func(e NotifyEvent, s Sensor, b Box) (CheckResult, error) {
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result := CheckResult{
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Event: e.Type,
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Target: s.Id,
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TargetName: s.Phenomenon,
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Threshold: e.Threshold,
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Value: s.LastMeasurement.Date.String(),
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Status: CheckOk,
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}
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thresh, err := time.ParseDuration(e.Threshold)
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if err != nil {
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return CheckResult{}, err
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}
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if time.Since(s.LastMeasurement.Date) > thresh {
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result.Status = CheckErr
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}
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result.Value = s.LastMeasurement.Date.String()
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return result, nil
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},
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}
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@ -0,0 +1,49 @@
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package core
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import (
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"fmt"
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"strconv"
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)
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var checkMeasurementFaulty = checkType{
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name: "measurement_faulty",
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toString: func(r CheckResult) string {
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return fmt.Sprintf("Sensor %s (%s) reads presumably faulty value of %s", r.TargetName, r.Target, r.Value)
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},
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checkFunc: func(e NotifyEvent, s Sensor, b Box) (CheckResult, error) {
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result := CheckResult{
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Event: e.Type,
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Target: s.Id,
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TargetName: s.Phenomenon,
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Threshold: e.Threshold,
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Value: s.LastMeasurement.Value,
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Status: CheckOk,
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}
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val, err := strconv.ParseFloat(s.LastMeasurement.Value, 64)
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if err != nil {
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return result, err
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}
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if faultyVals[faultyValue{
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sensor: s.Type,
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val: val,
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}] {
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result.Status = CheckErr
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}
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return result, nil
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},
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}
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type faultyValue struct {
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sensor string
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val float64
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}
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var faultyVals = map[faultyValue]bool{
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faultyValue{sensor: "BMP280", val: 0.0}: true,
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faultyValue{sensor: "HDC1008", val: 0.0}: true,
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faultyValue{sensor: "HDC1008", val: -40}: true,
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faultyValue{sensor: "SDS 011", val: 0.0}: true,
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}
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@ -0,0 +1,50 @@
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package core
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import (
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"fmt"
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"strconv"
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)
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var checkMeasurementMin = checkType{
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name: "measurement_min",
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toString: func(r CheckResult) string {
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return fmt.Sprintf("Sensor %s (%s) reads low value of %s", r.TargetName, r.Target, r.Value)
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},
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checkFunc: validateMeasurementMinMax,
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}
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var checkMeasurementMax = checkType{
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name: "measurement_min",
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toString: func(r CheckResult) string {
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return fmt.Sprintf("Sensor %s (%s) reads high value of %s", r.TargetName, r.Target, r.Value)
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},
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checkFunc: validateMeasurementMinMax,
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}
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func validateMeasurementMinMax(e NotifyEvent, s Sensor, b Box) (CheckResult, error) {
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result := CheckResult{
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Event: e.Type,
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Target: s.Id,
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TargetName: s.Phenomenon,
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Threshold: e.Threshold,
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Value: s.LastMeasurement.Value,
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Status: CheckOk,
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}
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thresh, err := strconv.ParseFloat(e.Threshold, 64)
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if err != nil {
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return result, err
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}
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val, err := strconv.ParseFloat(s.LastMeasurement.Value, 64)
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if err != nil {
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return result, err
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}
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if e.Type == eventMeasurementValMax && val > thresh ||
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e.Type == eventMeasurementValMin && val < thresh {
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result.Status = CheckErr
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}
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return result, nil
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}
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