eta_bridge/global/global.go

package global

import (
	"database/sql"
	"eta_gn/eta_bridge/config"
	"eta_gn/eta_bridge/utils"
	"fmt"
	"github.com/fsnotify/fsnotify"
	oplogging "github.com/op/go-logging"
	"github.com/spf13/viper"
	"gorm.io/gorm"
	"io"
)

var (
	CONFIG        config.Config //配置文件
	LOG           *oplogging.Logger
	FILE_LOG      *oplogging.Logger   // 自定义的输出日志
	MYSQL         map[string]*gorm.DB //数据库连接配置
	MYSQL_LOG     io.Writer
	DEFAULT_MYSQL *gorm.DB //默认数据库连接配置
	OracleJy *sql.DB //嘉悦物产数据库连接

	Rc utils.RedisClient //redis缓存
	Re error             //redis错误
)

const ConfigFile = "config/config_debug.yaml" //本地（测试）环境下的配置文件地址
const ProConfigFile = "config/config.yaml"    //生产环境下的配置文件地址

func init() {
	v := viper.New()

	configFilePath := ConfigFile

	if !utils.FileIsExist(configFilePath) {
		configFilePath = ProConfigFile
	}

	fmt.Println("configFilePath->", configFilePath)

	v.SetConfigFile(configFilePath)

	err := v.ReadInConfig()
	if err != nil {
		panic(fmt.Errorf("读取配置失败，Err: %s \n", err))
	}

	v.WatchConfig()

	v.OnConfigChange(func(e fsnotify.Event) {
		fmt.Println("配置文件变更：", e.Name)
		handleConfig(v, "配置重赋值")
	})
	handleConfig(v, "配置初始化")

	return
}

func handleConfig(v *viper.Viper, handleType string) {
	if err := v.Unmarshal(&CONFIG); err != nil {
		fmt.Println(handleType+"赋值失败，Err:", err)
	}
	if CONFIG.Mysql.Binlog.LogSaveDay == 0 {
		CONFIG.Mysql.Binlog.LogSaveDay = 31
	}
}