hongqi_watch/global/global.go

package global

import (
	"fmt"
	"hongze/hongqi_watch/config"
	"hongze/hongqi_watch/utils"
	"io"

	"github.com/fsnotify/fsnotify"
	"github.com/go-redis/redis/v8"
	"github.com/olivere/elastic/v7"
	oplogging "github.com/op/go-logging"
	"github.com/spf13/viper"
	"gorm.io/gorm"

	"github.com/rdlucklib/rdluck_tools/cache"
)

var (
	CONFIG        config.Config //配置文件
	LOG           *oplogging.Logger
	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
	Redis         *redis.Client //redis链接
	EsClient      *elastic.Client

	Rc *cache.Cache //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

	//如果不存在该配置文件，那么应该是线上环境，那么去寻找线上配置文件的路径
	if !utils.FileIsExist(configFilePath) {
		configFilePath = ProConfigFile
	}

	fmt.Println("configFilePath->", configFilePath)
	//设置配置文件
	v.SetConfigFile(configFilePath)

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

	//持续监听文件
	v.WatchConfig()

	v.OnConfigChange(func(e fsnotify.Event) {
		fmt.Println("配置文件变更：", e.Name)
		if err := v.Unmarshal(&CONFIG); err != nil {
			fmt.Println("配置重赋值失败，Err:", err)
		}
		fmt.Println(CONFIG)
	})
	if err := v.Unmarshal(&CONFIG); err != nil {
		fmt.Println("配置初始化赋值失败，Err:", err)
	}
}