151 lines
4.6 KiB
Go
151 lines
4.6 KiB
Go
package main
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import (
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"ai-gateway/api"
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"ai-gateway/internal/config"
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"ai-gateway/internal/db"
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"ai-gateway/internal/logger"
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"ai-gateway/internal/middleware"
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"ai-gateway/internal/scheduler"
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"log"
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"os"
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"os/signal"
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"syscall"
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"github.com/gin-contrib/cors"
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"github.com/gin-gonic/gin"
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)
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func main() {
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log.Println("🚀 启动 AI Gateway 服务...")
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// 加载配置文件（使用固定路径，便于 Docker 挂载）
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cfg := config.LoadConfigOrDefault(config.ConfigPath)
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cfg.Print()
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// 验证配置
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if err := cfg.Validate(); err != nil {
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log.Printf("⚠️ 配置验证失败: %v，使用默认配置", err)
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cfg = config.DefaultConfig()
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}
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logger.SetSaveRequestLog(cfg.App.LogInDB)
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// 初始化数据库连接（使用固定数据库路径）
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database, err := db.InitDB(config.DatabasePath)
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if err != nil {
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log.Fatalf("❌ 数据库初始化失败: %v", err)
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}
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log.Printf("✅ 数据库连接成功: %s", config.DatabasePath)
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// 初始化并启动日志清理器
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logCleaner := scheduler.NewLogCleaner(database, cfg.LogCleaner)
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logCleaner.Start()
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log.Println("✅ 日志自动清理器已启动")
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// 设置优雅关闭
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defer func() {
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log.Println("🛑 正在关闭服务...")
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logCleaner.Stop()
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log.Println("✅ 日志自动清理器已停止")
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}()
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// 创建Gin路由器实例
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router := gin.Default()
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// 配置CORS中间件 - 采用非常宽松的策略，允许所有请求头
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config := cors.DefaultConfig()
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config.AllowAllOrigins = true
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config.AllowMethods = []string{"GET", "POST", "PUT", "PATCH", "DELETE", "HEAD", "OPTIONS"}
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// 允许所有请求头（使用通配符）
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config.AllowHeaders = []string{"*"}
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config.AllowWildcard = true
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// 注意：当AllowAllOrigins为true时，AllowCredentials必须为false
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config.AllowCredentials = false
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// 暴露所有响应头
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config.ExposeHeaders = []string{"*"}
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router.Use(cors.New(config))
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// 创建API处理器
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handler := &api.APIHandler{
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DB: database,
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LogCleaner: logCleaner,
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}
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// 添加健康检查端点（无需认证）
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router.GET("/health", handler.HealthCheckHandler)
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router.GET("/healthz", handler.HealthCheckHandler)
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// 创建根组
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root_ := router.Group("/")
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root_.Use(middleware.AuthMiddleware(database))
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{
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root_.GET("/models", handler.ListModels)
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}
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// 创建受保护的路由组
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protected := router.Group("/v1")
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protected.Use(middleware.AuthMiddleware(database))
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{
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protected.GET("/models", handler.ListModels)
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protected.POST("/chat/completions", handler.ChatCompletions)
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protected.POST("/responses", handler.ResponsesCompletions)
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protected.POST("/embeddings", handler.Embeddings)
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}
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// 创建API管理路由组
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api_ := router.Group("/api")
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api_.Use(middleware.AuthMiddleware(database))
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{
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// Providers
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api_.GET("/providers", handler.GetProvidersHandler)
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api_.GET("/providers/:id", handler.GetProviderHandler)
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api_.POST("/providers", handler.CreateProviderHandler)
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api_.PUT("/providers/:id", handler.UpdateProviderHandler)
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api_.DELETE("/providers/:id", handler.DeleteProviderHandler)
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api_.GET("/providers/:id/models", handler.GetProviderModelsHandler)
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// Virtual Models
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api_.POST("/virtual-models", handler.CreateVirtualModelHandler)
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api_.GET("/virtual-models", handler.GetVirtualModelsHandler)
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api_.GET("/virtual-models/:id", handler.GetVirtualModelHandler)
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api_.PUT("/virtual-models/:id", handler.UpdateVirtualModelHandler)
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api_.DELETE("/virtual-models/:id", handler.DeleteVirtualModelHandler)
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// Request Logs
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api_.GET("/logs", handler.GetRequestLogsHandler)
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api_.GET("/logs/stats", handler.GetRequestLogStatsHandler)
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api_.GET("/logs/:id", handler.GetRequestLogDetailHandler)
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api_.DELETE("/logs", handler.ClearRequestLogsHandler)
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// Log Cleaner Management
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api_.GET("/log-cleaner/status", handler.GetLogCleanerStatusHandler)
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api_.POST("/log-cleaner/force-cleanup", handler.ForceLogCleanupHandler)
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// API Keys Management
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api_.GET("/api-keys", handler.GetAPIKeysHandler)
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api_.POST("/api-keys", handler.CreateAPIKeyHandler)
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api_.DELETE("/api-keys/:id", handler.DeleteAPIKeyHandler)
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}
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// 设置优雅关闭信号处理
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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// 在goroutine中启动HTTP服务器
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go func() {
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serverAddr := cfg.Server.Host + ":" + cfg.Server.Port
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log.Printf("🌐 HTTP服务器启动在 %s", serverAddr)
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if err := router.Run(serverAddr); err != nil {
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log.Fatalf("❌ HTTP服务器启动失败: %v", err)
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}
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}()
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// 等待退出信号
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<-quit
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log.Println("🛑 收到退出信号，正在优雅关闭...")
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logCleaner.Stop()
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log.Println("✅ AI Gateway 服务已关闭")
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}
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