feat: 梳理集群模式运行服务

.env.example

@@ -22,7 +22,6 @@ ENABLE_GZIP=true
 
 # 数据库配置
 DATABASE_DSN=user:password@tcp(localhost:3306)/gpt_load?charset=utf8mb4&parseTime=True&loc=Local
-DB_AUTO_MIGRATE=true
 
 # Redis配置
 REDIS_DSN=redis://:password@localhost:6379/1

internal/app/app.go

@@ -77,27 +77,54 @@ func NewApp(params AppParams) *App {
 
 // Start runs the application, it is a non-blocking call.
 func (a *App) Start() error {
+	// 1. 启动 Leader Service 并等待选举结果
 	if err := a.leaderService.Start(); err != nil {
 		return fmt.Errorf("leader service failed to start: %w", err)
 	}
 
+	// 2. Leader 节点执行不依赖配置的“写”操作
 	if a.leaderService.IsLeader() {
-		if err := a.settingsManager.InitializeSystemSettings(); err != nil {
+		logrus.Info("Leader mode. Performing initial one-time tasks...")
+
+		// 2.1. 数据库迁移
+		if err := a.db.AutoMigrate(
+			&models.RequestLog{},
+			&models.APIKey{},
+			&models.SystemSetting{},
+			&models.Group{},
+		); err != nil {
+			return fmt.Errorf("database auto-migration failed: %w", err)
+		}
+		logrus.Info("Database auto-migration completed.")
+
+		// 2.2. 初始化系统设置
+		if err := a.settingsManager.EnsureSettingsInitialized(); err != nil {
 			return fmt.Errorf("failed to initialize system settings: %w", err)
 		}
-		logrus.Info("System settings initialized by leader.")
+		logrus.Info("System settings initialized in DB.")
 	} else {
-		logrus.Info("This node is not the leader. Skipping leader-only initialization tasks.")
+		logrus.Info("Follower Mode. Skipping initial one-time tasks.")
 	}
 
-	logrus.Debug("Loading API keys into the key pool...")
+	// 3. 所有节点从数据库加载配置到内存
+	if err := a.settingsManager.LoadFromDatabase(); err != nil {
+		return fmt.Errorf("failed to load system settings from database: %w", err)
+	}
+	logrus.Info("System settings loaded into memory.")
+
+	// 4. Leader 节点执行依赖配置的“写”操作
+	if a.leaderService.IsLeader() {
+		// 4.1. 从数据库加载密钥到 Redis
 		if err := a.keyPoolProvider.LoadKeysFromDB(); err != nil {
 			return fmt.Errorf("failed to load keys into key pool: %w", err)
 		}
+		logrus.Info("API keys loaded into Redis cache by leader.")
+	}
+
+	// 5. 显示配置并启动所有后台服务
 	a.settingsManager.DisplayCurrentSettings()
 	a.configManager.DisplayConfig()
 
-	// Start background services
 	a.startRequestLogger()
 	a.logCleanupService.Start()
 	a.keyValidationPool.Start()

internal/config/manager.go

@@ -119,7 +119,6 @@ func (m *Manager) ReloadConfig() error {
 		},
 		Database: types.DatabaseConfig{
 			DSN: os.Getenv("DATABASE_DSN"),
-			AutoMigrate: parseBoolean(os.Getenv("DB_AUTO_MIGRATE"), true),
 		},
 		RedisDSN: os.Getenv("REDIS_DSN"),
 	}
@@ -318,7 +317,6 @@ func (s *SystemSettingsManager) GetInt(key string, defaultValue int) int {
 	return defaultValue
 }
 
-
 // SetupLogger configures the logging system based on the provided configuration.
 func SetupLogger(configManager types.ConfigManager) {
 	logConfig := configManager.GetLogConfig()

internal/config/system_settings.go

@@ -125,8 +125,8 @@ func NewSystemSettingsManager() *SystemSettingsManager {
 	return globalSystemSettings
 }
 
-// InitializeSystemSettings 初始化系统配置到数据库
+// EnsureSettingsInitialized 确保数据库中存在所有系统设置的记录。
-func (sm *SystemSettingsManager) InitializeSystemSettings() error {
+func (sm *SystemSettingsManager) EnsureSettingsInitialized() error {
 	if db.DB == nil {
 		return fmt.Errorf("database not initialized")
 	}
@@ -168,8 +168,7 @@ func (sm *SystemSettingsManager) InitializeSystemSettings() error {
 		}
 	}
 
-	// 加载配置到内存
+	return nil
-	return sm.LoadFromDatabase()
 }
 
 // LoadFromDatabase 从数据库加载系统配置到内存

internal/container/container.go

@@ -24,6 +24,9 @@ func BuildContainer() (*dig.Container, error) {
 	if err := container.Provide(config.NewManager); err != nil {
 		return nil, err
 	}
+	if err := container.Provide(services.NewLeaderService); err != nil {
+		return nil, err
+	}
 	if err := container.Provide(db.NewDB); err != nil {
 		return nil, err
 	}
@@ -56,9 +59,6 @@ func BuildContainer() (*dig.Container, error) {
 	if err := container.Provide(services.NewLogCleanupService); err != nil {
 		return nil, err
 	}
-	if err := container.Provide(services.NewLeaderService); err != nil {
-		return nil, err
-	}
 	if err := container.Provide(keypool.NewProvider); err != nil {
 		return nil, err
 	}

internal/db/database.go

@@ -2,7 +2,6 @@ package db
 
 import (
 	"fmt"
-	"gpt-load/internal/models"
 	"gpt-load/internal/types"
 	"log"
 	"os"
@@ -21,7 +20,9 @@ func NewDB(configManager types.ConfigManager) (*gorm.DB, error) {
 		return nil, fmt.Errorf("DATABASE_DSN is not configured")
 	}
 
-	newLogger := logger.New(
+	var newLogger logger.Interface
+	if configManager.GetLogConfig().Level == "debug" {
+		newLogger = logger.New(
 			log.New(os.Stdout, "\r\n", log.LstdFlags), // io writer
 			logger.Config{
 				SlowThreshold:             time.Second, // Slow SQL threshold
@@ -30,6 +31,7 @@ func NewDB(configManager types.ConfigManager) (*gorm.DB, error) {
 				Colorful:                  true,        // Disable color
 			},
 		)
+	}
 
 	var err error
 	DB, err = gorm.Open(mysql.Open(dbConfig.DSN), &gorm.Config{
@@ -49,18 +51,6 @@ func NewDB(configManager types.ConfigManager) (*gorm.DB, error) {
 	sqlDB.SetMaxOpenConns(100)
 	sqlDB.SetConnMaxLifetime(time.Hour)
 
-	if dbConfig.AutoMigrate {
+	fmt.Println("Database connection initialized.")
-		err = DB.AutoMigrate(
-			&models.SystemSetting{},
-			&models.Group{},
-			&models.APIKey{},
-			&models.RequestLog{},
-		)
-		if err != nil {
-			return nil, fmt.Errorf("failed to auto-migrate database: %w", err)
-		}
-	}
-
-	fmt.Println("Database connection initialized and models migrated.")
 	return DB, nil
 }

internal/keypool/provider.go

@@ -14,11 +14,6 @@ import (
 	"gorm.io/gorm"
 )
 
-const (
-	keypoolInitializedKey = "keypool:initialized"
-	keypoolLoadingKey     = "keypool:loading"
-)
-
 type KeyProvider struct {
 	db              *gorm.DB
 	store           store.Store
@@ -192,36 +187,14 @@ func (p *KeyProvider) handleFailure(keyID uint, keyHashKey, activeKeysListKey st
 
 // LoadKeysFromDB 从数据库加载所有分组和密钥，并填充到 Store 中。
 func (p *KeyProvider) LoadKeysFromDB() error {
-	// 1. 检查是否已初始化
-	initialized, err := p.store.Exists(keypoolInitializedKey)
-	if err != nil {
-		return fmt.Errorf("failed to check for keypool initialization flag: %w", err)
-	}
-	if initialized {
-		logrus.Info("Key pool already initialized, skipping database load.")
-		return nil
-	}
 
-	// 2. 设置加载锁，防止集群中多个节点同时加载
+	// 1. 分批从数据库加载并使用 Pipeline 写入 Redis
-	lockAcquired, err := p.store.SetNX(keypoolLoadingKey, []byte("1"), 10*time.Minute)
-	if err != nil {
-		return fmt.Errorf("failed to acquire loading lock: %w", err)
-	}
-	if !lockAcquired {
-		logrus.Info("Another instance is already loading the key pool. Skipping.")
-		return nil
-	}
-	defer p.store.Delete(keypoolLoadingKey)
-
-	logrus.Info("Acquired loading lock. Starting first-time initialization of key pool...")
-
-	// 3. 分批从数据库加载并使用 Pipeline 写入 Redis
 	allActiveKeyIDs := make(map[uint][]any)
 	batchSize := 1000
 	var batchKeys []*models.APIKey
 
-	err = p.db.Model(&models.APIKey{}).FindInBatches(&batchKeys, batchSize, func(tx *gorm.DB, batch int) error {
+	err := p.db.Model(&models.APIKey{}).FindInBatches(&batchKeys, batchSize, func(tx *gorm.DB, batch int) error {
-		logrus.Infof("Processing batch %d with %d keys...", batch, len(batchKeys))
+		logrus.Debugf("Processing batch %d with %d keys...", batch, len(batchKeys))
 
 		var pipeline store.Pipeliner
 		if redisStore, ok := p.store.(store.RedisPipeliner); ok {
@@ -257,24 +230,18 @@ func (p *KeyProvider) LoadKeysFromDB() error {
 		return fmt.Errorf("failed during batch processing of keys: %w", err)
 	}
 
-	// 4. 更新所有分组的 active_keys 列表
+	// 2. 更新所有分组的 active_keys 列表
 	logrus.Info("Updating active key lists for all groups...")
 	for groupID, activeIDs := range allActiveKeyIDs {
 		if len(activeIDs) > 0 {
 			activeKeysListKey := fmt.Sprintf("group:%d:active_keys", groupID)
-			p.store.Delete(activeKeysListKey) // Clean slate
+			p.store.Delete(activeKeysListKey)
 			if err := p.store.LPush(activeKeysListKey, activeIDs...); err != nil {
 				logrus.WithFields(logrus.Fields{"groupID": groupID, "error": err}).Error("Failed to LPush active keys for group")
 			}
 		}
 	}
 
-	// 5. 设置最终的初始化成功标志
-	logrus.Info("Key pool loaded successfully. Setting initialization flag.")
-	if err := p.store.Set(keypoolInitializedKey, []byte("1"), 0); err != nil {
-		logrus.WithError(err).Error("Critical: Failed to set final initialization flag. Next startup might re-run initialization.")
-	}
-
 	return nil
 }
 

internal/services/log_cleanup.go

@@ -13,14 +13,16 @@ import (
 type LogCleanupService struct {
 	db              *gorm.DB
 	settingsManager *config.SystemSettingsManager
+	leaderService   *LeaderService
 	stopCh          chan struct{}
 }
 
 // NewLogCleanupService 创建新的日志清理服务
-func NewLogCleanupService(db *gorm.DB, settingsManager *config.SystemSettingsManager) *LogCleanupService {
+func NewLogCleanupService(db *gorm.DB, settingsManager *config.SystemSettingsManager, leaderService *LeaderService) *LogCleanupService {
 	return &LogCleanupService{
 		db:              db,
 		settingsManager: settingsManager,
+		leaderService:   leaderService,
 		stopCh:          make(chan struct{}),
 	}
 }
@@ -58,6 +60,11 @@ func (s *LogCleanupService) run() {
 
 // cleanupExpiredLogs 清理过期的请求日志
 func (s *LogCleanupService) cleanupExpiredLogs() {
+	if !s.leaderService.IsLeader() {
+		logrus.Debug("Not the leader, skipping log cleanup.")
+		return
+	}
+
 	// 获取日志保留天数配置
 	settings := s.settingsManager.GetSettings()
 	retentionDays := settings.RequestLogRetentionDays

internal/types/types.go

@@ -78,5 +78,4 @@ type LogConfig struct {
 // DatabaseConfig represents database configuration
 type DatabaseConfig struct {
 	DSN string `json:"dsn"`
-	AutoMigrate bool   `json:"autoMigrate"`
 }