init

internal/logging/logger.go

@@ -0,0 +1,66 @@
+package logging
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/sirupsen/logrus"
+	"gopkg.in/natefinch/lumberjack.v2"
+
+	"github.com/any-hub/any-hub/internal/config"
+)
+
+// InitLogger 根据全局配置初始化 JSON 结构化日志，确保文件/控制台输出一致。
+func InitLogger(cfg config.GlobalConfig) (*logrus.Logger, error) {
+	level, err := logrus.ParseLevel(cfg.LogLevel)
+	if err != nil {
+		return nil, fmt.Errorf("无法解析日志级别: %w", err)
+	}
+
+	output, outErr := buildOutput(cfg)
+	if outErr != nil {
+		fmt.Fprintf(os.Stderr, "logger_fallback: %v\n", outErr)
+	}
+
+	logger := logrus.New()
+	logger.SetLevel(level)
+	logger.SetOutput(output)
+	logger.SetFormatter(&logrus.JSONFormatter{TimestampFormat: time.RFC3339Nano})
+
+	logrus.SetFormatter(logger.Formatter)
+	logrus.SetOutput(logger.Out)
+	logrus.SetLevel(logger.GetLevel())
+
+	if outErr != nil {
+		logger.WithFields(logrus.Fields{
+			"action": "logger_fallback",
+			"path":   cfg.LogFilePath,
+		}).Warn(outErr.Error())
+	}
+
+	return logger, nil
+}
+
+// buildOutput 根据配置创建日志输出 Writer；失败时降级到 stdout 并返回错误。
+func buildOutput(cfg config.GlobalConfig) (io.Writer, error) {
+	if cfg.LogFilePath == "" {
+		return os.Stdout, nil
+	}
+
+	dir := filepath.Dir(cfg.LogFilePath)
+	if err := os.MkdirAll(dir, 0o755); err != nil {
+		return os.Stdout, fmt.Errorf("创建日志目录失败: %w", err)
+	}
+
+	rotator := &lumberjack.Logger{
+		Filename:   cfg.LogFilePath,
+		MaxSize:    cfg.LogMaxSize,
+		MaxBackups: cfg.LogMaxBackups,
+		Compress:   cfg.LogCompress,
+		LocalTime:  true,
+	}
+	return rotator, nil
+}