79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
package logging
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import (
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"io"
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"os"
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logrus_stack "github.com/Gurpartap/logrus-stack"
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"github.com/sirupsen/logrus"
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"github.com/authelia/authelia/v4/internal/configuration/schema"
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)
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// Logger returns the standard logrus logger.
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func Logger() *logrus.Logger {
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return logrus.StandardLogger()
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}
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// InitializeLogger configures the default loggers stack levels, formatting, and the output destinations.
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func InitializeLogger(config schema.LogConfiguration, log bool) error {
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setLevelStr(config.Level, log)
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callerLevels := []logrus.Level{}
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stackLevels := []logrus.Level{logrus.PanicLevel, logrus.FatalLevel, logrus.ErrorLevel}
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logrus.AddHook(logrus_stack.NewHook(callerLevels, stackLevels))
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if config.Format == logFormatJSON {
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logrus.SetFormatter(&logrus.JSONFormatter{})
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} else {
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logrus.SetFormatter(&logrus.TextFormatter{})
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}
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if config.FilePath != "" {
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f, err := os.OpenFile(config.FilePath, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
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if err != nil {
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return err
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}
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if config.Format != logFormatJSON {
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logrus.SetFormatter(&logrus.TextFormatter{
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DisableColors: true,
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FullTimestamp: true,
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})
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}
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if config.KeepStdout {
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logLocations := io.MultiWriter(os.Stdout, f)
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logrus.SetOutput(logLocations)
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} else {
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logrus.SetOutput(f)
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}
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}
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return nil
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}
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func setLevelStr(level string, log bool) {
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switch level {
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case "error":
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logrus.SetLevel(logrus.ErrorLevel)
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case "warn":
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logrus.SetLevel(logrus.WarnLevel)
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case "info":
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logrus.SetLevel(logrus.InfoLevel)
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case "debug":
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logrus.SetLevel(logrus.DebugLevel)
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case "trace":
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logrus.SetLevel(logrus.TraceLevel)
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default:
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level = "info (default)"
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logrus.SetLevel(logrus.InfoLevel)
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}
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if log {
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logrus.Infof("Log severity set to %s", level)
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}
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}
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