Files
mayfly-go/server/pkg/config/config.go
2023-08-31 21:49:20 +08:00

128 lines
2.7 KiB
Go

package config
import (
"flag"
"fmt"
"log/slog"
"mayfly-go/pkg/utils/assert"
"mayfly-go/pkg/utils/ymlx"
"os"
"path/filepath"
"strconv"
)
// 配置文件映射对象
var Conf *Config
func Init() {
configFilePath := flag.String("e", "./config.yml", "配置文件路径,默认为可执行文件目录")
flag.Parse()
// 获取启动参数中,配置文件的绝对路径
path, _ := filepath.Abs(*configFilePath)
startConfigParam := &CmdConfigParam{ConfigFilePath: path}
// 读取配置文件信息
yc := &Config{}
if err := ymlx.LoadYml(startConfigParam.ConfigFilePath, yc); err != nil {
slog.Warn(fmt.Sprintf("读取配置文件[%s]失败: %s, 使用系统默认配置或环境变量配置", startConfigParam.ConfigFilePath, err.Error()))
// 设置默认信息,主要方便后续的系统环境变量替换
yc.SetDefaultConfig()
}
// 校验配置文件内容信息
yc.Valid()
// 尝试使用系统环境变量替换配置信息
yc.ReplaceOsEnv()
Conf = yc
}
// 启动配置参数
type CmdConfigParam struct {
ConfigFilePath string // -e 配置文件路径
}
// yaml配置文件映射对象
type Config struct {
Server *Server `yaml:"server"`
Jwt *Jwt `yaml:"jwt"`
Aes *Aes `yaml:"aes"`
Mysql *Mysql `yaml:"mysql"`
Redis *Redis `yaml:"redis"`
Log *Log `yaml:"log"`
}
// 配置文件内容校验
func (c *Config) Valid() {
assert.IsTrue(c.Jwt != nil, "配置文件的[jwt]信息不能为空")
c.Jwt.Valid()
if c.Aes != nil {
c.Aes.Valid()
}
}
// 替换系统环境变量,如果环境变量中存在该值,则优秀使用环境变量设定的值
func (c *Config) ReplaceOsEnv() {
serverPort := os.Getenv("MAYFLY_SERVER_PORT")
if serverPort != "" {
if num, err := strconv.Atoi(serverPort); err != nil {
panic("环境变量-[MAYFLY_SERVER_PORT]-服务端口号需为数字")
} else {
c.Server.Port = num
}
}
dbHost := os.Getenv("MAYFLY_DB_HOST")
if dbHost != "" {
c.Mysql.Host = dbHost
}
dbName := os.Getenv("MAYFLY_DB_NAME")
if dbName != "" {
c.Mysql.Dbname = dbName
}
dbUser := os.Getenv("MAYFLY_DB_USER")
if dbUser != "" {
c.Mysql.Username = dbUser
}
dbPwd := os.Getenv("MAYFLY_DB_PASS")
if dbPwd != "" {
c.Mysql.Password = dbPwd
}
aesKey := os.Getenv("MAYFLY_AES_KEY")
if aesKey != "" {
c.Aes.Key = aesKey
}
jwtKey := os.Getenv("MAYFLY_JWT_KEY")
if jwtKey != "" {
c.Jwt.Key = jwtKey
}
}
func (c *Config) SetDefaultConfig() {
c.Server = &Server{
Model: "release",
Port: 8888,
MachineRecPath: "./rec",
}
c.Jwt = &Jwt{
ExpireTime: 1440,
}
c.Aes = &Aes{
Key: "1111111111111111",
}
c.Mysql = &Mysql{
Host: "localhost:3306",
Config: "charset=utf8&loc=Local&parseTime=true",
MaxIdleConns: 5,
}
c.Log = &Log{
Level: "info",
}
}