mirror of https://github.com/sirupsen/logrus.git
split into multiple files
This commit is contained in:
Simon Eskildsen
parent
84ff01f444
commit
6c895096e8
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@ -0,0 +1,191 @@
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package logrus
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"os"
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"time"
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"github.com/tobi/airbrake-go"
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)
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type Entry struct {
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logger *Logger
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Data Fields
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}
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func NewEntry(logger *Logger) *Entry {
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return &Entry{
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logger: logger,
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// Default is three fields, give a little extra room. Shouldn't hurt the
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// scale.
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Data: make(Fields, 5),
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}
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}
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// TODO: Other formats?
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func (entry *Entry) Reader() (read *bytes.Buffer, err error) {
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var serialized []byte
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if Environment == "production" {
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serialized, err = json.Marshal(entry.Data)
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} else {
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// TODO: Pretty-print more by coloring when stdout is a tty
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serialized, err = json.MarshalIndent(entry.Data, "", " ")
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}
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if err != nil {
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return nil, err
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}
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serialized = append(serialized, '\n')
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return bytes.NewBuffer(serialized), nil
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}
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func (entry *Entry) WithField(key string, value interface{}) *Entry {
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entry.Data[key] = value
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return entry
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}
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func (entry *Entry) WithFields(fields Fields) *Entry {
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for key, value := range fields {
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entry.WithField(key, value)
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}
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return entry
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}
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func (entry *Entry) log(level string, msg string) {
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// TODO: Is the default format output from String() the one we want?
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entry.Data["timestamp"] = time.Now().String()
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entry.Data["level"] = level
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// TODO: Is this the best name?
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entry.Data["msg"] = msg
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reader, err := entry.Reader()
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if err != nil {
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entry.logger.Panicln("Failed to marshal JSON ", err.Error())
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}
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// Send HTTP request in a goroutine in warning environment to not halt the
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// main thread. It's sent before logging due to panic.
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if level == "warning" {
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// TODO: new() should spawn an airbrake goroutine and this should send to
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// that channel. This prevent us from spawning hundreds of goroutines in a
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// hot code path generating a warning.
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go entry.airbrake(reader.String())
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} else if level == "fatal" || level == "panic" {
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entry.airbrake(reader.String())
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}
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if level == "panic" {
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panic(reader.String())
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} else {
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entry.logger.mu.Lock()
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io.Copy(entry.logger.Out, reader)
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entry.logger.mu.Unlock()
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}
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}
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func (entry *Entry) Debug(args ...interface{}) {
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if Level >= LevelDebug {
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entry.log("debug", fmt.Sprint(args...))
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}
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}
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func (entry *Entry) Info(args ...interface{}) {
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if Level >= LevelInfo {
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entry.log("info", fmt.Sprint(args...))
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}
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}
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func (entry *Entry) Print(args ...interface{}) {
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if Level >= LevelInfo {
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entry.log("info", fmt.Sprint(args...))
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}
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}
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func (entry *Entry) Warning(args ...interface{}) {
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if Level >= LevelWarning {
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entry.log("warning", fmt.Sprint(args...))
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}
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}
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func (entry *Entry) Fatal(args ...interface{}) {
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if Level >= LevelFatal {
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entry.log("fatal", fmt.Sprint(args...))
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}
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os.Exit(1)
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}
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func (entry *Entry) Panic(args ...interface{}) {
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if Level >= LevelPanic {
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entry.log("panic", fmt.Sprint(args...))
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}
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}
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// Entry Printf family functions
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func (entry *Entry) Debugf(format string, args ...interface{}) {
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entry.Debug(fmt.Sprintf(format, args...))
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}
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func (entry *Entry) Infof(format string, args ...interface{}) {
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entry.Info(fmt.Sprintf(format, args...))
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}
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func (entry *Entry) Printf(format string, args ...interface{}) {
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entry.Print(fmt.Sprintf(format, args...))
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}
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func (entry *Entry) Warningf(format string, args ...interface{}) {
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entry.Warning(fmt.Sprintf(format, args...))
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}
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func (entry *Entry) Fatalf(format string, args ...interface{}) {
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entry.Fatal(fmt.Sprintf(format, args...))
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}
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func (entry *Entry) Panicf(format string, args ...interface{}) {
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entry.Panic(fmt.Sprintf(format, args...))
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}
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// Entry Println family functions
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func (entry *Entry) Debugln(args ...interface{}) {
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entry.Debug(fmt.Sprintln(args...))
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}
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func (entry *Entry) Infoln(args ...interface{}) {
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entry.Info(fmt.Sprintln(args...))
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}
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func (entry *Entry) Println(args ...interface{}) {
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entry.Print(fmt.Sprintln(args...))
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}
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func (entry *Entry) Warningln(args ...interface{}) {
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entry.Warning(fmt.Sprintln(args...))
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}
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func (entry *Entry) Fatalln(args ...interface{}) {
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entry.Fatal(fmt.Sprintln(args...))
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}
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func (entry *Entry) Panicln(args ...interface{}) {
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entry.Panic(fmt.Sprintln(args...))
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}
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func (entry *Entry) airbrake(exception string) {
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err := airbrake.Notify(errors.New(exception))
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if err != nil {
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entry.logger.WithFields(Fields{
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"source": "airbrake",
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"endpoint": airbrake.Endpoint,
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}).Infof("Failed to send exception to Airbrake")
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}
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}
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@ -0,0 +1,121 @@
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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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"strings"
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"sync"
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"github.com/tobi/airbrake-go"
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)
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type Logger struct {
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Out io.Writer
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mu sync.Mutex
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}
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func New() *Logger {
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environment := strings.ToLower(os.Getenv("ENV"))
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if environment == "" {
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environment = "development"
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}
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if airbrake.Environment == "" {
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airbrake.Environment = environment
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}
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return &Logger{
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Out: os.Stdout, // Default to stdout, change it if you want.
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}
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}
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func (logger *Logger) WithField(key string, value interface{}) *Entry {
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entry := NewEntry(logger)
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entry.WithField(key, value)
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return entry
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}
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func (logger *Logger) WithFields(fields Fields) *Entry {
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entry := NewEntry(logger)
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entry.WithFields(fields)
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return entry
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}
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// Entry Print family functions
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// Logger Printf family functions
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func (logger *Logger) Debugf(format string, args ...interface{}) {
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NewEntry(logger).Debugf(format, args...)
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}
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func (logger *Logger) Infof(format string, args ...interface{}) {
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NewEntry(logger).Infof(format, args...)
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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) Warningf(format string, args ...interface{}) {
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NewEntry(logger).Warningf(format, args...)
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}
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func (logger *Logger) Fatalf(format string, args ...interface{}) {
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NewEntry(logger).Fatalf(format, args...)
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}
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func (logger *Logger) Panicf(format string, args ...interface{}) {
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NewEntry(logger).Panicf(format, args...)
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}
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// Logger Print family functions
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func (logger *Logger) Debug(args ...interface{}) {
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NewEntry(logger).Debug(args...)
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}
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func (logger *Logger) Info(args ...interface{}) {
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NewEntry(logger).Info(args...)
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}
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func (logger *Logger) Print(args ...interface{}) {
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NewEntry(logger).Print(args...)
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}
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func (logger *Logger) Warning(args ...interface{}) {
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NewEntry(logger).Warning(args...)
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}
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func (logger *Logger) Fatal(args ...interface{}) {
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NewEntry(logger).Fatal(args...)
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}
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func (logger *Logger) Panic(args ...interface{}) {
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NewEntry(logger).Panic(args...)
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}
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// Logger Println family functions
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func (logger *Logger) Debugln(args ...interface{}) {
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NewEntry(logger).Debugln(args...)
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}
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func (logger *Logger) Infoln(args ...interface{}) {
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NewEntry(logger).Infoln(args...)
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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) Warningln(args ...interface{}) {
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NewEntry(logger).Warningln(args...)
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}
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func (logger *Logger) Fatalln(args ...interface{}) {
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NewEntry(logger).Fatalln(args...)
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}
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func (logger *Logger) Panicln(args ...interface{}) {
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NewEntry(logger).Panicln(args...)
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}
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319
logrus.go
319
logrus.go
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@ -1,18 +1,6 @@
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package main
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package logrus
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"os"
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"strings"
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"sync"
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"time"
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"github.com/tobi/airbrake-go"
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)
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import ()
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// TODO: Type naming here feels awkward, but the exposed variable should be
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// Level. That's more important than the type name, and libraries should be
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@ -48,306 +36,3 @@ type StandardLogger interface {
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Panicf(string, ...interface{})
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Panicln(...interface{})
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}
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type Logger struct {
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Out io.Writer
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mu sync.Mutex
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}
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type Entry struct {
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logger *Logger
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Data Fields
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}
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// TODO: Other formats?
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func (entry *Entry) Reader() (read *bytes.Buffer, err error) {
|
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var serialized []byte
|
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|
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if Environment == "production" {
|
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serialized, err = json.Marshal(entry.Data)
|
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} else {
|
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// TODO: Pretty-print more by coloring when stdout is a tty
|
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serialized, err = json.MarshalIndent(entry.Data, "", " ")
|
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}
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|
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if err != nil {
|
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return nil, err
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}
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serialized = append(serialized, '\n')
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|
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return bytes.NewBuffer(serialized), nil
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}
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|
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func New() *Logger {
|
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environment := strings.ToLower(os.Getenv("ENV"))
|
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if environment == "" {
|
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environment = "development"
|
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}
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|
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if airbrake.Environment == "" {
|
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airbrake.Environment = environment
|
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}
|
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|
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return &Logger{
|
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Out: os.Stdout, // Default to stdout, change it if you want.
|
||||
}
|
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}
|
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|
||||
func NewEntry(logger *Logger) *Entry {
|
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return &Entry{
|
||||
logger: logger,
|
||||
// Default is three fields, give a little extra room. Shouldn't hurt the
|
||||
// scale.
|
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Data: make(Fields, 5),
|
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}
|
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}
|
||||
|
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func (logger *Logger) WithField(key string, value interface{}) *Entry {
|
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entry := NewEntry(logger)
|
||||
entry.WithField(key, value)
|
||||
return entry
|
||||
}
|
||||
|
||||
func (logger *Logger) WithFields(fields Fields) *Entry {
|
||||
entry := NewEntry(logger)
|
||||
entry.WithFields(fields)
|
||||
return entry
|
||||
}
|
||||
|
||||
func (entry *Entry) WithField(key string, value interface{}) *Entry {
|
||||
entry.Data[key] = value
|
||||
return entry
|
||||
}
|
||||
|
||||
func (entry *Entry) WithFields(fields Fields) *Entry {
|
||||
for key, value := range fields {
|
||||
entry.WithField(key, value)
|
||||
}
|
||||
|
||||
return entry
|
||||
}
|
||||
|
||||
func (entry *Entry) log(level string, msg string) {
|
||||
// TODO: Is the default format output from String() the one we want?
|
||||
entry.Data["timestamp"] = time.Now().String()
|
||||
entry.Data["level"] = level
|
||||
// TODO: Is this the best name?
|
||||
entry.Data["msg"] = msg
|
||||
|
||||
reader, err := entry.Reader()
|
||||
if err != nil {
|
||||
entry.logger.Panicln("Failed to marshal JSON ", err.Error())
|
||||
}
|
||||
|
||||
// Send HTTP request in a goroutine in warning environment to not halt the
|
||||
// main thread. It's sent before logging due to panic.
|
||||
if level == "warning" {
|
||||
// TODO: new() should spawn an airbrake goroutine and this should send to
|
||||
// that channel. This prevent us from spawning hundreds of goroutines in a
|
||||
// hot code path generating a warning.
|
||||
go entry.airbrake(reader.String())
|
||||
} else if level == "fatal" || level == "panic" {
|
||||
entry.airbrake(reader.String())
|
||||
}
|
||||
|
||||
if level == "panic" {
|
||||
panic(reader.String())
|
||||
} else {
|
||||
entry.logger.mu.Lock()
|
||||
io.Copy(entry.logger.Out, reader)
|
||||
entry.logger.mu.Unlock()
|
||||
}
|
||||
}
|
||||
|
||||
func (entry *Entry) airbrake(exception string) {
|
||||
err := airbrake.Notify(errors.New(exception))
|
||||
if err != nil {
|
||||
entry.logger.WithFields(Fields{
|
||||
"source": "airbrake",
|
||||
"endpoint": airbrake.Endpoint,
|
||||
}).Infof("Failed to send exception to Airbrake")
|
||||
}
|
||||
}
|
||||
|
||||
// Entry Print family functions
|
||||
|
||||
func (entry *Entry) Debug(args ...interface{}) {
|
||||
if Level >= LevelDebug {
|
||||
entry.log("debug", fmt.Sprint(args...))
|
||||
}
|
||||
}
|
||||
|
||||
func (entry *Entry) Info(args ...interface{}) {
|
||||
if Level >= LevelInfo {
|
||||
entry.log("info", fmt.Sprint(args...))
|
||||
}
|
||||
}
|
||||
|
||||
func (entry *Entry) Print(args ...interface{}) {
|
||||
if Level >= LevelInfo {
|
||||
entry.log("info", fmt.Sprint(args...))
|
||||
}
|
||||
}
|
||||
|
||||
func (entry *Entry) Warning(args ...interface{}) {
|
||||
if Level >= LevelWarning {
|
||||
entry.log("warning", fmt.Sprint(args...))
|
||||
}
|
||||
}
|
||||
|
||||
func (entry *Entry) Fatal(args ...interface{}) {
|
||||
if Level >= LevelFatal {
|
||||
entry.log("fatal", fmt.Sprint(args...))
|
||||
}
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
func (entry *Entry) Panic(args ...interface{}) {
|
||||
if Level >= LevelPanic {
|
||||
entry.log("panic", fmt.Sprint(args...))
|
||||
}
|
||||
}
|
||||
|
||||
// Entry Printf family functions
|
||||
|
||||
func (entry *Entry) Debugf(format string, args ...interface{}) {
|
||||
entry.Debug(fmt.Sprintf(format, args...))
|
||||
}
|
||||
|
||||
func (entry *Entry) Infof(format string, args ...interface{}) {
|
||||
entry.Info(fmt.Sprintf(format, args...))
|
||||
}
|
||||
|
||||
func (entry *Entry) Printf(format string, args ...interface{}) {
|
||||
entry.Print(fmt.Sprintf(format, args...))
|
||||
}
|
||||
|
||||
func (entry *Entry) Warningf(format string, args ...interface{}) {
|
||||
entry.Warning(fmt.Sprintf(format, args...))
|
||||
}
|
||||
|
||||
func (entry *Entry) Fatalf(format string, args ...interface{}) {
|
||||
entry.Fatal(fmt.Sprintf(format, args...))
|
||||
}
|
||||
|
||||
func (entry *Entry) Panicf(format string, args ...interface{}) {
|
||||
entry.Panic(fmt.Sprintf(format, args...))
|
||||
}
|
||||
|
||||
// Entry Println family functions
|
||||
|
||||
func (entry *Entry) Debugln(args ...interface{}) {
|
||||
entry.Debug(fmt.Sprintln(args...))
|
||||
}
|
||||
|
||||
func (entry *Entry) Infoln(args ...interface{}) {
|
||||
entry.Info(fmt.Sprintln(args...))
|
||||
}
|
||||
|
||||
func (entry *Entry) Println(args ...interface{}) {
|
||||
entry.Print(fmt.Sprintln(args...))
|
||||
}
|
||||
|
||||
func (entry *Entry) Warningln(args ...interface{}) {
|
||||
entry.Warning(fmt.Sprintln(args...))
|
||||
}
|
||||
|
||||
func (entry *Entry) Fatalln(args ...interface{}) {
|
||||
entry.Fatal(fmt.Sprintln(args...))
|
||||
}
|
||||
|
||||
func (entry *Entry) Panicln(args ...interface{}) {
|
||||
entry.Panic(fmt.Sprintln(args...))
|
||||
}
|
||||
|
||||
// Logger Printf family functions
|
||||
|
||||
func (logger *Logger) Debugf(format string, args ...interface{}) {
|
||||
NewEntry(logger).Debugf(format, args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Infof(format string, args ...interface{}) {
|
||||
NewEntry(logger).Infof(format, args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Printf(format string, args ...interface{}) {
|
||||
NewEntry(logger).Printf(format, args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Warningf(format string, args ...interface{}) {
|
||||
NewEntry(logger).Warningf(format, args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Fatalf(format string, args ...interface{}) {
|
||||
NewEntry(logger).Fatalf(format, args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Panicf(format string, args ...interface{}) {
|
||||
NewEntry(logger).Panicf(format, args...)
|
||||
}
|
||||
|
||||
// Logger Print family functions
|
||||
|
||||
func (logger *Logger) Debug(args ...interface{}) {
|
||||
NewEntry(logger).Debug(args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Info(args ...interface{}) {
|
||||
NewEntry(logger).Info(args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Print(args ...interface{}) {
|
||||
NewEntry(logger).Print(args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Warning(args ...interface{}) {
|
||||
NewEntry(logger).Warning(args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Fatal(args ...interface{}) {
|
||||
NewEntry(logger).Fatal(args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Panic(args ...interface{}) {
|
||||
NewEntry(logger).Panic(args...)
|
||||
}
|
||||
|
||||
// Logger Println family functions
|
||||
|
||||
func (logger *Logger) Debugln(args ...interface{}) {
|
||||
NewEntry(logger).Debugln(args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Infoln(args ...interface{}) {
|
||||
NewEntry(logger).Infoln(args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Println(args ...interface{}) {
|
||||
NewEntry(logger).Println(args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Warningln(args ...interface{}) {
|
||||
NewEntry(logger).Warningln(args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Fatalln(args ...interface{}) {
|
||||
NewEntry(logger).Fatalln(args...)
|
||||
}
|
||||
|
||||
func (logger *Logger) Panicln(args ...interface{}) {
|
||||
NewEntry(logger).Panicln(args...)
|
||||
}
|
||||
|
||||
// TODO: Print, Fatal, etc.
|
||||
|
||||
func main() {
|
||||
Environment = "development"
|
||||
Level = LevelDebug
|
||||
logger := New()
|
||||
logger.WithField("animal", "walrus").WithField("value", 10).Infof("OMG HELLO")
|
||||
logger.Infof("lolsup")
|
||||
logger.Debugf("why brackets?")
|
||||
logger.Debug("lolsup")
|
||||
logger.Fatalf("omg")
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue