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37 lines
916 B
Go
37 lines
916 B
Go
package logging
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import (
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"log/slog"
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"os"
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"strings"
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)
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func parseLogLevel(levelStr string) slog.Level {
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switch strings.ToUpper(levelStr) {
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case "DEBUG":
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return slog.LevelDebug
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case "INFO":
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return slog.LevelInfo
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case "WARN":
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return slog.LevelWarn
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case "ERROR":
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return slog.LevelError
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default:
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return slog.LevelInfo // Default level
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}
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}
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// InitLogggin initializes global structured logging for the entire application
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func InitLogging(level string) *slog.Logger {
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// Use os.Stderr
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//
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// Stderr is used for diagnostics and logging. Stdout is used for program
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// output. Stderr also have greater likely hood of being seen if a programs
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// output is being redirected.
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parsedLogLevel := parseLogLevel(level)
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loggerHandler := slog.NewJSONHandler(os.Stderr, &slog.HandlerOptions{Level: parsedLogLevel, AddSource: true})
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logger := slog.New(loggerHandler)
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slog.SetDefault(logger)
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return logger
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}
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