func (c *QueryCondition) Eval(context *alerting.EvalContext) {
timerange := tsdb.NewTimerange(c.Query.From, c.Query.To)
seriesList, err := c.executeQuery(context, timerange)
if err != nil {
context.Error = err
return
}
emptySerieCount := 0
for _, series := range seriesList {
reducedValue := c.Reducer.Reduce(series)
evalMatch := c.Evaluator.Eval(reducedValue)
if reducedValue == nil {
emptySerieCount++
continue
}
if context.IsTestRun {
context.Logs = append(context.Logs, &alerting.ResultLogEntry{
Message: fmt.Sprintf("Condition[%d]: Eval: %v, Metric: %s, Value: %1.3f", c.Index, evalMatch, series.Name, *reducedValue),
})
}
if evalMatch {
context.EvalMatches = append(context.EvalMatches, &alerting.EvalMatch{
Metric: series.Name,
Value: *reducedValue,
})
}
}
context.NoDataFound = emptySerieCount == len(seriesList)
context.Firing = len(context.EvalMatches) > 0
}