mirror of https://github.com/authelia/authelia.git
96 lines
2.2 KiB
Go
96 lines
2.2 KiB
Go
package logging
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import (
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"io"
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"os"
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"time"
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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 logger similar to ConfigureLogger but also configures the stack levels hook.
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func InitializeLogger(config schema.Log, log bool) (err error) {
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initializeStackTracer(config)
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return ConfigureLogger(config, log)
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}
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func initializeStackTracer(config schema.Log) {
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// Ensure the stack trace hook is only initialized once.
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stacktrace.Do(func() {
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var (
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callerLevels, stackLevels []logrus.Level
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)
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switch LogLevel(config.Level).Level() {
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case logrus.DebugLevel:
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stackLevels = []logrus.Level{logrus.PanicLevel, logrus.FatalLevel, logrus.ErrorLevel}
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case logrus.TraceLevel:
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stackLevels = []logrus.Level{logrus.PanicLevel, logrus.FatalLevel, logrus.ErrorLevel}
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callerLevels = logrus.AllLevels
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default:
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stackLevels = []logrus.Level{logrus.PanicLevel, logrus.FatalLevel}
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}
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logrus.AddHook(logrus_stack.NewHook(callerLevels, stackLevels))
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})
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}
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// ConfigureLogger configures the default loggers level, formatting, and the output destinations.
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func ConfigureLogger(config schema.Log, log bool) (err error) {
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setLevelStr(config.Level, log)
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switch config.Format {
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case FormatJSON:
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logrus.SetFormatter(&logrus.JSONFormatter{})
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default:
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logrus.SetFormatter(&logrus.TextFormatter{})
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}
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var writers []io.Writer
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switch {
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case config.FilePath != "":
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var file *os.File
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if file, err = os.OpenFile(FormatFilePath(config.FilePath, time.Now()), os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600); err != nil {
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return err
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}
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if config.Format != FormatJSON {
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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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writers = []io.Writer{file}
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if config.KeepStdout {
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writers = append(writers, os.Stdout)
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}
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default:
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writers = []io.Writer{os.Stdout}
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}
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logrus.SetOutput(io.MultiWriter(writers...))
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return nil
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}
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func setLevelStr(level string, log bool) {
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logrus.SetLevel(LogLevel(level).Level())
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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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