2021-12-14 10:53:50 +08:00
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package logger
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import (
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2021-12-29 14:33:48 +08:00
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"fmt"
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"github.com/caarlos0/env/v6"
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2021-12-14 10:53:50 +08:00
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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)
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var config LogConfig
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var Say *zap.SugaredLogger
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2021-12-14 11:08:57 +08:00
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// 避免异常,在第一次调用时初始化一个只打印到控制台的logger
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func init() {
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2021-12-15 09:21:08 +08:00
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if Say == nil {
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2021-12-29 14:33:48 +08:00
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// 从环境变量读取配置
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var c LogConfig
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if err := env.Parse(&c); err != nil {
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fmt.Println("日志配置解析错误: " + err.Error())
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c = LogConfig{Mode: Dev, LokiEnable: false, FileEnable: false}
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}
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2022-05-18 11:17:22 +08:00
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// 如果值错了,直接默认为Prod
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if c.Mode != Dev && c.Mode != Prod {
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c.Mode = Prod
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}
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2021-12-29 14:33:48 +08:00
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InitLogger(c)
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2021-12-15 09:21:08 +08:00
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}
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2021-12-14 11:08:57 +08:00
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}
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2021-12-14 10:53:50 +08:00
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// InitLogger 初始化日志工具
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func InitLogger(c LogConfig) {
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config = c
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var cores []zapcore.Core
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// 生成输出到控制台的Core
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consoleCore := initConsoleCore()
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cores = append(cores, consoleCore)
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// 生成输出到Loki的Core
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if config.LokiEnable {
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lokiCore := initLokiCore()
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cores = append(cores, lokiCore)
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}
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// 输出到文件的Core
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if config.FileEnable {
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fileCore := initFileCore()
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cores = append(cores, fileCore)
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}
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// 增加 caller 信息
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2022-05-18 11:07:30 +08:00
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// AddCallerSkip 输出的文件名和行号是调用封装函数的位置,而不是调用日志函数的位置
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2022-05-18 17:43:19 +08:00
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logger := zap.New(zapcore.NewTee(cores...), zap.AddCaller(), zap.AddCallerSkip(1))
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2021-12-14 10:53:50 +08:00
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Say = logger.Sugar()
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2022-05-18 18:11:43 +08:00
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// 给GORM单独生成一个
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gormZap = zap.New(zapcore.NewTee(cores...), zap.AddCaller(), zap.AddCallerSkip(3)).Sugar()
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2022-05-18 10:42:45 +08:00
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zap.ReplaceGlobals(logger)
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2021-12-14 10:53:50 +08:00
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}
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