dragonfly/manager/gc/seed_peer.go

112 lines
3.1 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 (
"context"
"time"
"gorm.io/gorm"
logger "d7y.io/dragonfly/v2/internal/dflog"
"d7y.io/dragonfly/v2/manager/models"
pkggc "d7y.io/dragonfly/v2/pkg/gc"
)
const (
// DefaultSeedPeerGCBatchSize is the default batch size for deleting seed peers.
DefaultSeedPeerGCBatchSize = 5000
// DefaultSeedPeerTTL is the default TTL for seed peer.
DefaultSeedPeerGCTTL = time.Minute * 30
// DefaultSeedPeerGCInterval is the default interval for running seed peer GC.
DefaultSeedPeerGCInterval = time.Hour * 1
// DefaultSeedPeerGCTimeout is the default timeout for running seed peer GC.
DefaultSeedPeerGCTimeout = time.Hour * 1
// SeedPeerGCTaskID is the ID of the seed peer GC task.
SeedPeerGCTaskID = "seed_peer"
)
// NewSeedPeerGCTask returns a new seed peer GC task.
func NewSeedPeerGCTask(db *gorm.DB) pkggc.Task {
return pkggc.Task{
ID: SeedPeerGCTaskID,
Interval: DefaultSeedPeerGCInterval,
Timeout: DefaultSeedPeerGCTimeout,
Runner: &seedPeer{db: db, recorder: newJobRecorder(db)},
}
}
// seedPeer is the struct for cleaning up inactive seed peers which implements the gc Runner interface.
type seedPeer struct {
db *gorm.DB
recorder *jobRecorder
}
// RunGC implements the gc Runner interface.
func (s *seedPeer) RunGC(ctx context.Context) error {
args := models.JSONMap{
"type": SeedPeerGCTaskID,
"ttl": DefaultSeedPeerGCTTL,
"batch_size": DefaultSeedPeerGCBatchSize,
}
var userID uint
if id, ok := ctx.Value(pkggc.ContextKeyUserID).(uint); ok {
userID = id
}
var taskID string
if id, ok := ctx.Value(pkggc.ContextKeyTaskID).(string); ok {
taskID = id
} else {
// Use the default task ID if taskID is not provided. (applied to background periodic execution scenarios)
taskID = SeedPeerGCTaskID
}
if err := s.recorder.Init(userID, taskID, args); err != nil {
return err
}
var gcResult Result
defer func() {
if err := s.recorder.Record(gcResult); err != nil {
logger.Errorf("failed to record seed peer GC result: %v", err)
}
}()
for {
result := s.db.Where("updated_at < ?", time.Now().Add(-DefaultSeedPeerGCTTL)).Where("state = ?", models.SeedPeerStateInactive).Limit(DefaultSeedPeerGCBatchSize).Unscoped().Delete(&models.SeedPeer{})
if result.Error != nil {
gcResult.Error = result.Error
return result.Error
}
if result.RowsAffected == 0 {
break
}
gcResult.Purged += result.RowsAffected
logger.Infof("seed peer GC deleted %d inactive seed peers", result.RowsAffected)
}
return nil
}