nightingale1/timer/alert_mute.go

73 lines
1.5 KiB
Go

package timer
import (
"fmt"
"math/rand"
"time"
"github.com/didi/nightingale/v5/cache"
"github.com/didi/nightingale/v5/models"
"github.com/toolkits/pkg/logger"
)
func SyncAlertMutes() {
if err := syncAlertMutes(); err != nil {
fmt.Println("timer: sync alert mutes fail:", err)
exit(1)
}
go loopSyncAlertMutes()
}
func loopSyncAlertMutes() {
randtime := rand.Intn(9000)
fmt.Printf("timer: sync alert mutes: random sleep %dms\n", randtime)
time.Sleep(time.Duration(randtime) * time.Millisecond)
for {
time.Sleep(time.Second * time.Duration(9))
if err := syncAlertMutes(); err != nil {
logger.Warning("timer: sync alert mutes fail:", err)
}
}
}
func syncAlertMutes() error {
start := time.Now()
err := models.MuteCleanExpire()
if err != nil {
logger.Errorf("clean expire mute fail, err: %v", err)
return err
}
mutes, err := models.MuteGetsAll()
if err != nil {
logger.Errorf("get AlertMute fail, err: %v", err)
return err
}
// key: metric
// value: ResFilters#TagsFilters
muteMap := make(map[string][]cache.Filter)
for i := 0; i < len(mutes); i++ {
if err := mutes[i].Parse(); err != nil {
logger.Warning("parse mute fail:", err)
continue
}
filter := cache.Filter{
ResReg: mutes[i].ResRegexp,
TagsMap: mutes[i].TagsMap,
}
muteMap[mutes[i].Metric] = append(muteMap[mutes[i].Metric], filter)
}
cache.AlertMute.SetAll(muteMap)
logger.Debugf("timer: sync alert mutes done, cost: %dms", time.Since(start).Milliseconds())
return nil
}