204 lines
5.3 KiB
Go
204 lines
5.3 KiB
Go
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package logrus
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import (
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"io"
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"os"
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"sync"
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)
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type Logger struct {
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// The logs are `io.Copy`'d to this in a mutex. It's common to set this to a
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// file, or leave it default which is `os.Stdout`. You can also set this to
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// something more adventorous, such as logging to Kafka.
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Out io.Writer
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// Hooks for the logger instance. These allow firing events based on logging
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// levels and log entries. For example, to send errors to an error tracking
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// service, log to StatsD or dump the core on fatal errors.
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Hooks levelHooks
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// All log entries pass through the formatter before logged to Out. The
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// included formatters are `TextFormatter` and `JSONFormatter` for which
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// TextFormatter is the default. In development (when a TTY is attached) it
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// logs with colors, but to a file it wouldn't. You can easily implement your
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// own that implements the `Formatter` interface, see the `README` or included
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// formatters for examples.
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Formatter Formatter
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// The logging level the logger should log at. This is typically (and defaults
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// to) `logrus.Info`, which allows Info(), Warn(), Error() and Fatal() to be
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// logged. `logrus.Debug` is useful in
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Level Level
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// Used to sync writing to the log.
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mu sync.Mutex
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}
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// Creates a new logger. Configuration should be set by changing `Formatter`,
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// `Out` and `Hooks` directly on the default logger instance. You can also just
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// instantiate your own:
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//
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// var log = &Logger{
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// Out: os.Stderr,
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// Formatter: new(JSONFormatter),
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// Hooks: make(levelHooks),
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// Level: logrus.DebugLevel,
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// }
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//
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// It's recommended to make this a global instance called `log`.
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func New() *Logger {
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return &Logger{
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Out: os.Stdout,
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Formatter: new(TextFormatter),
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Hooks: make(levelHooks),
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Level: InfoLevel,
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}
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}
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// Adds a field to the log entry, note that you it doesn't log until you call
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// Debug, Print, Info, Warn, Fatal or Panic. It only creates a log entry.
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// Ff you want multiple fields, use `WithFields`.
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func (logger *Logger) WithField(key string, value interface{}) *Entry {
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return NewEntry(logger).WithField(key, value)
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}
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// Adds a struct of fields to the log entry. All it does is call `WithField` for
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// each `Field`.
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func (logger *Logger) WithFields(fields Fields) *Entry {
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return NewEntry(logger).WithFields(fields)
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}
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func (logger *Logger) Debugf(format string, args ...interface{}) {
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if logger.Level >= DebugLevel {
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NewEntry(logger).Debugf(format, args...)
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}
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}
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func (logger *Logger) Infof(format string, args ...interface{}) {
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if logger.Level >= InfoLevel {
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NewEntry(logger).Infof(format, args...)
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}
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}
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func (logger *Logger) Printf(format string, args ...interface{}) {
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NewEntry(logger).Printf(format, args...)
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}
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func (logger *Logger) Warnf(format string, args ...interface{}) {
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if logger.Level >= WarnLevel {
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NewEntry(logger).Warnf(format, args...)
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}
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}
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func (logger *Logger) Warningf(format string, args ...interface{}) {
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if logger.Level >= WarnLevel {
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NewEntry(logger).Warnf(format, args...)
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}
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}
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func (logger *Logger) Errorf(format string, args ...interface{}) {
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if logger.Level >= ErrorLevel {
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NewEntry(logger).Errorf(format, args...)
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}
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}
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func (logger *Logger) Fatalf(format string, args ...interface{}) {
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if logger.Level >= FatalLevel {
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NewEntry(logger).Fatalf(format, args...)
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}
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}
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func (logger *Logger) Panicf(format string, args ...interface{}) {
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if logger.Level >= PanicLevel {
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NewEntry(logger).Panicf(format, args...)
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}
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}
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func (logger *Logger) Debug(args ...interface{}) {
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if logger.Level >= DebugLevel {
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NewEntry(logger).Debug(args...)
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}
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}
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func (logger *Logger) Info(args ...interface{}) {
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if logger.Level >= InfoLevel {
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NewEntry(logger).Info(args...)
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}
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}
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func (logger *Logger) Print(args ...interface{}) {
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NewEntry(logger).Info(args...)
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}
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func (logger *Logger) Warn(args ...interface{}) {
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if logger.Level >= WarnLevel {
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NewEntry(logger).Warn(args...)
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}
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}
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func (logger *Logger) Warning(args ...interface{}) {
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if logger.Level >= WarnLevel {
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NewEntry(logger).Warn(args...)
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}
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}
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func (logger *Logger) Error(args ...interface{}) {
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if logger.Level >= ErrorLevel {
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NewEntry(logger).Error(args...)
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}
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}
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func (logger *Logger) Fatal(args ...interface{}) {
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if logger.Level >= FatalLevel {
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NewEntry(logger).Fatal(args...)
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}
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}
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func (logger *Logger) Panic(args ...interface{}) {
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if logger.Level >= PanicLevel {
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NewEntry(logger).Panic(args...)
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}
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}
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func (logger *Logger) Debugln(args ...interface{}) {
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if logger.Level >= DebugLevel {
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NewEntry(logger).Debugln(args...)
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}
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}
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func (logger *Logger) Infoln(args ...interface{}) {
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if logger.Level >= InfoLevel {
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NewEntry(logger).Infoln(args...)
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}
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}
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func (logger *Logger) Println(args ...interface{}) {
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NewEntry(logger).Println(args...)
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}
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func (logger *Logger) Warnln(args ...interface{}) {
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if logger.Level >= WarnLevel {
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NewEntry(logger).Warnln(args...)
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}
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}
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func (logger *Logger) Warningln(args ...interface{}) {
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if logger.Level >= WarnLevel {
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NewEntry(logger).Warnln(args...)
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}
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}
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func (logger *Logger) Errorln(args ...interface{}) {
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if logger.Level >= ErrorLevel {
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NewEntry(logger).Errorln(args...)
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}
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}
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func (logger *Logger) Fatalln(args ...interface{}) {
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if logger.Level >= FatalLevel {
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NewEntry(logger).Fatalln(args...)
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}
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}
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func (logger *Logger) Panicln(args ...interface{}) {
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if logger.Level >= PanicLevel {
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NewEntry(logger).Panicln(args...)
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}
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}
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