bergquist
53 lines
1.3 KiB
Go
53 lines
1.3 KiB
Go
package alerting
|
|
|
|
import (
|
|
m "github.com/grafana/grafana/pkg/models"
|
|
"github.com/grafana/grafana/pkg/services/alerting/graphite"
|
|
)
|
|
|
|
type Executor interface {
|
|
Execute(rule m.AlertRule, responseQueue chan *AlertResult)
|
|
}
|
|
|
|
type ExecutorImpl struct{}
|
|
|
|
func (this *ExecutorImpl) Execute(rule m.AlertRule, responseQueue chan *AlertResult) {
|
|
response, err := graphite.GraphiteClient{}.GetSeries(rule)
|
|
|
|
if err != nil {
|
|
responseQueue <- &AlertResult{State: "CRITICAL", Id: rule.Id}
|
|
}
|
|
|
|
responseQueue <- this.executeRules(response, rule)
|
|
}
|
|
|
|
func (this *ExecutorImpl) executeRules(series m.TimeSeriesSlice, rule m.AlertRule) *AlertResult {
|
|
for _, v := range series {
|
|
var avg float64
|
|
var sum float64
|
|
for _, dp := range v.Points {
|
|
sum += dp[0]
|
|
}
|
|
|
|
avg = sum / float64(len(v.Points))
|
|
|
|
if float64(rule.CritLevel) < avg {
|
|
return &AlertResult{State: m.AlertStateCritical, Id: rule.Id, ActualValue: avg}
|
|
}
|
|
|
|
if float64(rule.WarnLevel) < avg {
|
|
return &AlertResult{State: m.AlertStateWarn, Id: rule.Id, ActualValue: avg}
|
|
}
|
|
|
|
if float64(rule.CritLevel) < sum {
|
|
return &AlertResult{State: m.AlertStateCritical, Id: rule.Id, ActualValue: sum}
|
|
}
|
|
|
|
if float64(rule.WarnLevel) < sum {
|
|
return &AlertResult{State: m.AlertStateWarn, Id: rule.Id, ActualValue: sum}
|
|
}
|
|
}
|
|
|
|
return &AlertResult{State: m.AlertStateOk, Id: rule.Id}
|
|
}
|