206 lines
6.7 KiB
Go
206 lines
6.7 KiB
Go
package config
|
||
|
||
import (
|
||
"fmt"
|
||
"strings"
|
||
|
||
"github.com/spf13/viper"
|
||
)
|
||
|
||
type Config struct {
|
||
Server ServerConfig `mapstructure:"server"`
|
||
Database DatabaseConfig `mapstructure:"database"`
|
||
Redis RedisConfig `mapstructure:"redis"`
|
||
JWT JWTConfig `mapstructure:"jwt"`
|
||
Default DefaultConfig `mapstructure:"default"`
|
||
RateLimit RateLimitConfig `mapstructure:"rate_limit"`
|
||
Pricing PricingConfig `mapstructure:"pricing"`
|
||
Gateway GatewayConfig `mapstructure:"gateway"`
|
||
Timezone string `mapstructure:"timezone"` // e.g. "Asia/Shanghai", "UTC"
|
||
}
|
||
|
||
type PricingConfig struct {
|
||
// 价格数据远程URL（默认使用LiteLLM镜像）
|
||
RemoteURL string `mapstructure:"remote_url"`
|
||
// 哈希校验文件URL
|
||
HashURL string `mapstructure:"hash_url"`
|
||
// 本地数据目录
|
||
DataDir string `mapstructure:"data_dir"`
|
||
// 回退文件路径
|
||
FallbackFile string `mapstructure:"fallback_file"`
|
||
// 更新间隔（小时）
|
||
UpdateIntervalHours int `mapstructure:"update_interval_hours"`
|
||
// 哈希校验间隔（分钟）
|
||
HashCheckIntervalMinutes int `mapstructure:"hash_check_interval_minutes"`
|
||
}
|
||
|
||
type ServerConfig struct {
|
||
Host string `mapstructure:"host"`
|
||
Port int `mapstructure:"port"`
|
||
Mode string `mapstructure:"mode"` // debug/release
|
||
ReadHeaderTimeout int `mapstructure:"read_header_timeout"` // 读取请求头超时（秒）
|
||
IdleTimeout int `mapstructure:"idle_timeout"` // 空闲连接超时（秒）
|
||
}
|
||
|
||
// GatewayConfig API网关相关配置
|
||
type GatewayConfig struct {
|
||
// 等待上游响应头的超时时间（秒），0表示无超时
|
||
// 注意：这不影响流式数据传输，只控制等待响应头的时间
|
||
ResponseHeaderTimeout int `mapstructure:"response_header_timeout"`
|
||
}
|
||
|
||
func (s *ServerConfig) Address() string {
|
||
return fmt.Sprintf("%s:%d", s.Host, s.Port)
|
||
}
|
||
|
||
type DatabaseConfig struct {
|
||
Host string `mapstructure:"host"`
|
||
Port int `mapstructure:"port"`
|
||
User string `mapstructure:"user"`
|
||
Password string `mapstructure:"password"`
|
||
DBName string `mapstructure:"dbname"`
|
||
SSLMode string `mapstructure:"sslmode"`
|
||
}
|
||
|
||
func (d *DatabaseConfig) DSN() string {
|
||
return fmt.Sprintf(
|
||
"host=%s port=%d user=%s password=%s dbname=%s sslmode=%s",
|
||
d.Host, d.Port, d.User, d.Password, d.DBName, d.SSLMode,
|
||
)
|
||
}
|
||
|
||
// DSNWithTimezone returns DSN with timezone setting
|
||
func (d *DatabaseConfig) DSNWithTimezone(tz string) string {
|
||
if tz == "" {
|
||
tz = "Asia/Shanghai"
|
||
}
|
||
return fmt.Sprintf(
|
||
"host=%s port=%d user=%s password=%s dbname=%s sslmode=%s TimeZone=%s",
|
||
d.Host, d.Port, d.User, d.Password, d.DBName, d.SSLMode, tz,
|
||
)
|
||
}
|
||
|
||
type RedisConfig struct {
|
||
Host string `mapstructure:"host"`
|
||
Port int `mapstructure:"port"`
|
||
Password string `mapstructure:"password"`
|
||
DB int `mapstructure:"db"`
|
||
}
|
||
|
||
func (r *RedisConfig) Address() string {
|
||
return fmt.Sprintf("%s:%d", r.Host, r.Port)
|
||
}
|
||
|
||
type JWTConfig struct {
|
||
Secret string `mapstructure:"secret"`
|
||
ExpireHour int `mapstructure:"expire_hour"`
|
||
}
|
||
|
||
type DefaultConfig struct {
|
||
AdminEmail string `mapstructure:"admin_email"`
|
||
AdminPassword string `mapstructure:"admin_password"`
|
||
UserConcurrency int `mapstructure:"user_concurrency"`
|
||
UserBalance float64 `mapstructure:"user_balance"`
|
||
ApiKeyPrefix string `mapstructure:"api_key_prefix"`
|
||
RateMultiplier float64 `mapstructure:"rate_multiplier"`
|
||
}
|
||
|
||
type RateLimitConfig struct {
|
||
OverloadCooldownMinutes int `mapstructure:"overload_cooldown_minutes"` // 529过载冷却时间(分钟)
|
||
}
|
||
|
||
func Load() (*Config, error) {
|
||
viper.SetConfigName("config")
|
||
viper.SetConfigType("yaml")
|
||
viper.AddConfigPath(".")
|
||
viper.AddConfigPath("./config")
|
||
viper.AddConfigPath("/etc/sub2api")
|
||
|
||
// 环境变量支持
|
||
viper.AutomaticEnv()
|
||
viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
|
||
|
||
// 默认值
|
||
setDefaults()
|
||
|
||
if err := viper.ReadInConfig(); err != nil {
|
||
if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
|
||
return nil, fmt.Errorf("read config error: %w", err)
|
||
}
|
||
// 配置文件不存在时使用默认值
|
||
}
|
||
|
||
var cfg Config
|
||
if err := viper.Unmarshal(&cfg); err != nil {
|
||
return nil, fmt.Errorf("unmarshal config error: %w", err)
|
||
}
|
||
|
||
if err := cfg.Validate(); err != nil {
|
||
return nil, fmt.Errorf("validate config error: %w", err)
|
||
}
|
||
|
||
return &cfg, nil
|
||
}
|
||
|
||
func setDefaults() {
|
||
// Server
|
||
viper.SetDefault("server.host", "0.0.0.0")
|
||
viper.SetDefault("server.port", 8080)
|
||
viper.SetDefault("server.mode", "debug")
|
||
viper.SetDefault("server.read_header_timeout", 30) // 30秒读取请求头
|
||
viper.SetDefault("server.idle_timeout", 120) // 120秒空闲超时
|
||
|
||
// Database
|
||
viper.SetDefault("database.host", "localhost")
|
||
viper.SetDefault("database.port", 5432)
|
||
viper.SetDefault("database.user", "postgres")
|
||
viper.SetDefault("database.password", "postgres")
|
||
viper.SetDefault("database.dbname", "sub2api")
|
||
viper.SetDefault("database.sslmode", "disable")
|
||
|
||
// Redis
|
||
viper.SetDefault("redis.host", "localhost")
|
||
viper.SetDefault("redis.port", 6379)
|
||
viper.SetDefault("redis.password", "")
|
||
viper.SetDefault("redis.db", 0)
|
||
|
||
// JWT
|
||
viper.SetDefault("jwt.secret", "change-me-in-production")
|
||
viper.SetDefault("jwt.expire_hour", 24)
|
||
|
||
// Default
|
||
viper.SetDefault("default.admin_email", "admin@sub2api.com")
|
||
viper.SetDefault("default.admin_password", "admin123")
|
||
viper.SetDefault("default.user_concurrency", 5)
|
||
viper.SetDefault("default.user_balance", 0)
|
||
viper.SetDefault("default.api_key_prefix", "sk-")
|
||
viper.SetDefault("default.rate_multiplier", 1.0)
|
||
|
||
// RateLimit
|
||
viper.SetDefault("rate_limit.overload_cooldown_minutes", 10)
|
||
|
||
// Pricing - 从 price-mirror 分支同步，该分支维护了 sha256 哈希文件用于增量更新检查
|
||
viper.SetDefault("pricing.remote_url", "https://raw.githubusercontent.com/Wei-Shaw/claude-relay-service/price-mirror/model_prices_and_context_window.json")
|
||
viper.SetDefault("pricing.hash_url", "https://raw.githubusercontent.com/Wei-Shaw/claude-relay-service/price-mirror/model_prices_and_context_window.sha256")
|
||
viper.SetDefault("pricing.data_dir", "./data")
|
||
viper.SetDefault("pricing.fallback_file", "./resources/model-pricing/model_prices_and_context_window.json")
|
||
viper.SetDefault("pricing.update_interval_hours", 24)
|
||
viper.SetDefault("pricing.hash_check_interval_minutes", 10)
|
||
|
||
// Timezone (default to Asia/Shanghai for Chinese users)
|
||
viper.SetDefault("timezone", "Asia/Shanghai")
|
||
|
||
// Gateway
|
||
viper.SetDefault("gateway.response_header_timeout", 300) // 300秒(5分钟)等待上游响应头，LLM高负载时可能排队较久
|
||
}
|
||
|
||
func (c *Config) Validate() error {
|
||
if c.JWT.Secret == "" {
|
||
return fmt.Errorf("jwt.secret is required")
|
||
}
|
||
if c.JWT.Secret == "change-me-in-production" && c.Server.Mode == "release" {
|
||
return fmt.Errorf("jwt.secret must be changed in production")
|
||
}
|
||
return nil
|
||
}
|