dragonfly/manager/gc/job.go

111 lines
2.7 KiB
Go

/*
* Copyright 2025 The Dragonfly Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package gc
import (
"encoding/json"
"time"
"gorm.io/gorm"
logger "d7y.io/dragonfly/v2/internal/dflog"
"d7y.io/dragonfly/v2/manager/models"
libgc "d7y.io/dragonfly/v2/pkg/gc"
)
const (
// DefaultJobGCBatchSize is the default batch size for deleting jobs.
DefaultJobGCBatchSize = 5000
// DefaultJobGCInterval is the default interval for running job GC.
DefaultJobGCInterval = time.Hour * 3
// DefaultJobGCTimeout is the default timeout for running job GC.
DefaultJobGCTimeout = time.Hour * 1
// JohGCTaskID is the ID of the job GC task.
JobGCTaskID = "job"
)
func NewJobGCTask(db *gorm.DB) libgc.Task {
return libgc.Task{
ID: JobGCTaskID,
Interval: DefaultJobGCInterval,
Timeout: DefaultJobGCTimeout,
Runner: &job{db: db, recorder: newJobRecorder(db)},
}
}
// job is the struct for cleaning up jobs which implements the gc Runner interface.
type job struct {
db *gorm.DB
recorder *jobRecorder
}
// RunGC implements the gc Runner interface.
func (j *job) RunGC() error {
ttl, err := j.getTTL()
if err != nil {
return err
}
if err = j.recorder.Init(JobGCTaskID, models.JSONMap{
"ttl": ttl,
"batch_size": DefaultJobGCBatchSize,
}); err != nil {
return err
}
var gcResult Result
defer func() {
if err := j.recorder.Record(gcResult); err != nil {
logger.Errorf("failed to record job GC result: %v", err)
}
}()
for {
result := j.db.Where("created_at < ?", time.Now().Add(-ttl)).Limit(DefaultJobGCBatchSize).Unscoped().Delete(&models.Job{})
if result.Error != nil {
gcResult.Error = result.Error
return result.Error
}
if result.RowsAffected == 0 {
break
}
gcResult.Purged += result.RowsAffected
logger.Infof("gc job deleted %d jobs", result.RowsAffected)
}
return nil
}
func (j *job) getTTL() (time.Duration, error) {
var config models.Config
if err := j.db.Model(models.Config{}).First(&config, &models.Config{Name: models.ConfigGC}).Error; err != nil {
return 0, err
}
var gcConfig models.GCConfig
if err := json.Unmarshal([]byte(config.Value), &gcConfig); err != nil {
return 0, err
}
return gcConfig.Job.TTL, nil
}