cronsun/web/log_cleaner.go

51 lines
1012 B
Go

package web
import (
"time"
"github.com/shunfei/cronsun"
"github.com/shunfei/cronsun/log"
mgo "gopkg.in/mgo.v2"
"gopkg.in/mgo.v2/bson"
)
func RunLogCleaner(cleanPeriod, expiration time.Duration) (close chan struct{}) {
t := time.NewTicker(cleanPeriod)
close = make(chan struct{})
go func() {
for {
select {
case <-t.C:
cleanupLogs(expiration)
case <-close:
return
}
}
}()
return
}
func cleanupLogs(expiration time.Duration) {
err := cronsun.GetDb().WithC(cronsun.Coll_JobLog, func(c *mgo.Collection) error {
_, err := c.RemoveAll(bson.M{"$or": []bson.M{
bson.M{"$and": []bson.M{
bson.M{"cleanup": bson.M{"$exists": true}},
bson.M{"cleanup": bson.M{"$lte": time.Now()}},
}},
bson.M{"$and": []bson.M{
bson.M{"cleanup": bson.M{"$exists": false}},
bson.M{"endTime": bson.M{"$lte": time.Now().Add(-expiration)}},
}},
}})
return err
})
if err != nil {
log.Errorf("[Cleaner] Failed to remove expired logs: %s", err.Error())
return
}
}