feat(logging): 增强日志记录功能与错误处理
- 新增 redirectStderr 函数,重定向 os.Stderr 到 HoTime Logger,捕获 panic 栈和 MySQL 驱动错误日志 - 实现 mysqlLogAdapter,将 MySQL 驱动的内部错误日志桥接到 HoTime Logger,确保错误信息以 error 级别推送 - 更新 Seq 日志集成,支持 WebConnectLog 的 SeqWriter 配置,提升日志记录的灵活性与准确性
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@@ -4,6 +4,7 @@ import (
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"bufio"
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"context"
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"database/sql"
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"fmt"
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"io/ioutil"
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stdlog "log"
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"net"
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@@ -24,6 +25,7 @@ import (
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. "code.hoteas.com/golang/hotime/common"
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. "code.hoteas.com/golang/hotime/db"
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"code.hoteas.com/golang/hotime/log"
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mysql "github.com/go-sql-driver/mysql"
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)
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type Application struct {
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@@ -345,14 +347,23 @@ func (that *Application) SetConfig(configPath ...string) {
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// 重定向 os.Stdout 和标准 log 包,捕获 fmt.Println 等绕过 HoTime Logger 的输出
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redirectStdout(that.Log)
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// 重定向 os.Stderr,捕获 panic 栈、MySQL driver errLog 等写 stderr 的输出
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// 注意:Logger 在此之前已创建,ConsoleWriter.Out 已绑定到原始 os.Stderr,无循环风险
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redirectStderr(that.Log)
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// 接入 Seq:instance = ip:port,同机多进程靠端口区分,跨机器靠 IP 区分
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if seqUrl := that.Config.GetString("seqUrl"); seqUrl != "" {
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instance := getLocalIP() + ":" + that.Config.GetString("port")
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that.Log.SetSeqWriter(seqUrl, that.Config.GetString("seqApiKey"), instance)
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if that.WebConnectLog != nil {
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that.WebConnectLog.SetSeqWriter(seqUrl, that.Config.GetString("seqApiKey"), instance)
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}
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that.Log.Infof("Seq 日志推送已启动: url=%s instance=%s", seqUrl, instance)
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}
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// 把 MySQL 驱动内部 errLog(连接/包错误)接入 HoTime Logger,经 SeqWriter 推送到 Seq
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_ = mysql.SetLogger(&mysqlLogAdapter{l: that.Log})
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}
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// SetConnectListener 连接判断,返回false继续传输至控制层,true则停止传输
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@@ -672,6 +683,31 @@ func redirectStdout(l *log.Logger) {
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}()
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}
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// redirectStderr 重定向 os.Stderr 到 HoTime Logger(level=error, source=stderr)。
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// 捕获 Go runtime panic 栈、MySQL driver errLog 等直写 stderr 的输出。
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// 必须在 Logger 创建之后调用:ConsoleWriter.Out 已绑定原始 os.Stderr 文件指针,
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// 重定向后 ConsoleWriter 仍写真实终端,不会形成循环。
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func redirectStderr(l *log.Logger) {
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r, w, err := os.Pipe()
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if err != nil {
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l.Warnf("[redirectStderr] create pipe failed: %v", err)
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return
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}
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os.Stderr = w
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go func() {
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scanner := bufio.NewScanner(r)
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for scanner.Scan() {
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line := scanner.Text()
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if line != "" {
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l.Error().Str("source", "stderr").Msg(line)
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}
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}
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if err := scanner.Err(); err != nil {
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l.Warnf("[redirectStderr] scanner error: %v", err)
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}
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}()
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}
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// Init 初始化application
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func Init(config string) *Application {
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appIns := Application{}
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@@ -939,3 +975,11 @@ func setMakeCodeListener(name string, appIns *Application) {
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return true
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})
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}
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// mysqlLogAdapter 将 go-sql-driver/mysql 的内部 errLog 桥接到 HoTime Logger。
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// MySQL 驱动连接/包级别错误通过此适配器以 error 级别推送到 Seq。
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type mysqlLogAdapter struct{ l *log.Logger }
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func (a *mysqlLogAdapter) Print(v ...interface{}) {
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a.l.Error().Str("source", "mysql-driver").Msg(fmt.Sprint(v...))
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}
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