diff options
Diffstat (limited to 'vendor/github.com/sirupsen/logrus')
-rw-r--r-- | vendor/github.com/sirupsen/logrus/LICENSE | 21 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/alt_exit.go | 64 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/doc.go | 26 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/entry.go | 300 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/exported.go | 201 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/formatter.go | 51 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/hooks.go | 34 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/json_formatter.go | 89 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/logger.go | 337 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/logrus.go | 143 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/terminal_bsd.go | 10 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/terminal_check_appengine.go | 11 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/terminal_check_notappengine.go | 19 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/terminal_linux.go | 14 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/text_formatter.go | 195 | ||||
-rw-r--r-- | vendor/github.com/sirupsen/logrus/writer.go | 62 |
16 files changed, 1577 insertions, 0 deletions
diff --git a/vendor/github.com/sirupsen/logrus/LICENSE b/vendor/github.com/sirupsen/logrus/LICENSE new file mode 100644 index 000000000..f090cb42f --- /dev/null +++ b/vendor/github.com/sirupsen/logrus/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2014 Simon Eskildsen + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/vendor/github.com/sirupsen/logrus/alt_exit.go b/vendor/github.com/sirupsen/logrus/alt_exit.go new file mode 100644 index 000000000..8af90637a --- /dev/null +++ b/vendor/github.com/sirupsen/logrus/alt_exit.go @@ -0,0 +1,64 @@ +package logrus + +// The following code was sourced and modified from the +// https://github.com/tebeka/atexit package governed by the following license: +// +// Copyright (c) 2012 Miki Tebeka <miki.tebeka@gmail.com>. +// +// Permission is hereby granted, free of charge, to any person obtaining a copy of +// this software and associated documentation files (the "Software"), to deal in +// the Software without restriction, including without limitation the rights to +// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of +// the Software, and to permit persons to whom the Software is furnished to do so, +// subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS +// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR +// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +import ( + "fmt" + "os" +) + +var handlers = []func(){} + +func runHandler(handler func()) { + defer func() { + if err := recover(); err != nil { + fmt.Fprintln(os.Stderr, "Error: Logrus exit handler error:", err) + } + }() + + handler() +} + +func runHandlers() { + for _, handler := range handlers { + runHandler(handler) + } +} + +// Exit runs all the Logrus atexit handlers and then terminates the program using os.Exit(code) +func Exit(code int) { + runHandlers() + os.Exit(code) +} + +// RegisterExitHandler adds a Logrus Exit handler, call logrus.Exit to invoke +// all handlers. The handlers will also be invoked when any Fatal log entry is +// made. +// +// This method is useful when a caller wishes to use logrus to log a fatal +// message but also needs to gracefully shutdown. An example usecase could be +// closing database connections, or sending a alert that the application is +// closing. +func RegisterExitHandler(handler func()) { + handlers = append(handlers, handler) +} diff --git a/vendor/github.com/sirupsen/logrus/doc.go b/vendor/github.com/sirupsen/logrus/doc.go new file mode 100644 index 000000000..da67aba06 --- /dev/null +++ b/vendor/github.com/sirupsen/logrus/doc.go @@ -0,0 +1,26 @@ +/* +Package logrus is a structured logger for Go, completely API compatible with the standard library logger. + + +The simplest way to use Logrus is simply the package-level exported logger: + + package main + + import ( + log "github.com/sirupsen/logrus" + ) + + func main() { + log.WithFields(log.Fields{ + "animal": "walrus", + "number": 1, + "size": 10, + }).Info("A walrus appears") + } + +Output: + time="2015-09-07T08:48:33Z" level=info msg="A walrus appears" animal=walrus number=1 size=10 + +For a full guide visit https://github.com/sirupsen/logrus +*/ +package logrus diff --git a/vendor/github.com/sirupsen/logrus/entry.go b/vendor/github.com/sirupsen/logrus/entry.go new file mode 100644 index 000000000..473bd1a0d --- /dev/null +++ b/vendor/github.com/sirupsen/logrus/entry.go @@ -0,0 +1,300 @@ +package logrus + +import ( + "bytes" + "fmt" + "os" + "sync" + "time" +) + +var bufferPool *sync.Pool + +func init() { + bufferPool = &sync.Pool{ + New: func() interface{} { + return new(bytes.Buffer) + }, + } +} + +// Defines the key when adding errors using WithError. +var ErrorKey = "error" + +// An entry is the final or intermediate Logrus logging entry. It contains all +// the fields passed with WithField{,s}. It's finally logged when Debug, Info, +// Warn, Error, Fatal or Panic is called on it. These objects can be reused and +// passed around as much as you wish to avoid field duplication. +type Entry struct { + Logger *Logger + + // Contains all the fields set by the user. + Data Fields + + // Time at which the log entry was created + Time time.Time + + // Level the log entry was logged at: Debug, Info, Warn, Error, Fatal or Panic + // This field will be set on entry firing and the value will be equal to the one in Logger struct field. + Level Level + + // Message passed to Debug, Info, Warn, Error, Fatal or Panic + Message string + + // When formatter is called in entry.log(), an Buffer may be set to entry + Buffer *bytes.Buffer +} + +func NewEntry(logger *Logger) *Entry { + return &Entry{ + Logger: logger, + // Default is five fields, give a little extra room + Data: make(Fields, 5), + } +} + +// Returns the string representation from the reader and ultimately the +// formatter. +func (entry *Entry) String() (string, error) { + serialized, err := entry.Logger.Formatter.Format(entry) + if err != nil { + return "", err + } + str := string(serialized) + return str, nil +} + +// Add an error as single field (using the key defined in ErrorKey) to the Entry. +func (entry *Entry) WithError(err error) *Entry { + return entry.WithField(ErrorKey, err) +} + +// Add a single field to the Entry. +func (entry *Entry) WithField(key string, value interface{}) *Entry { + return entry.WithFields(Fields{key: value}) +} + +// Add a map of fields to the Entry. +func (entry *Entry) WithFields(fields Fields) *Entry { + data := make(Fields, len(entry.Data)+len(fields)) + for k, v := range entry.Data { + data[k] = v + } + for k, v := range fields { + data[k] = v + } + return &Entry{Logger: entry.Logger, Data: data, Time: entry.Time} +} + +// Overrides the time of the Entry. +func (entry *Entry) WithTime(t time.Time) *Entry { + return &Entry{Logger: entry.Logger, Data: entry.Data, Time: t} +} + +// This function is not declared with a pointer value because otherwise +// race conditions will occur when using multiple goroutines +func (entry Entry) log(level Level, msg string) { + var buffer *bytes.Buffer + + // Default to now, but allow users to override if they want. + // + // We don't have to worry about polluting future calls to Entry#log() + // with this assignment because this function is declared with a + // non-pointer receiver. + if entry.Time.IsZero() { + entry.Time = time.Now() + } + + entry.Level = level + entry.Message = msg + + entry.fireHooks() + + buffer = bufferPool.Get().(*bytes.Buffer) + buffer.Reset() + defer bufferPool.Put(buffer) + entry.Buffer = buffer + + entry.write() + + entry.Buffer = nil + + // To avoid Entry#log() returning a value that only would make sense for + // panic() to use in Entry#Panic(), we avoid the allocation by checking + // directly here. + if level <= PanicLevel { + panic(&entry) + } +} + +func (entry *Entry) fireHooks() { + entry.Logger.mu.Lock() + defer entry.Logger.mu.Unlock() + err := entry.Logger.Hooks.Fire(entry.Level, entry) + if err != nil { + fmt.Fprintf(os.Stderr, "Failed to fire hook: %v\n", err) + } +} + +func (entry *Entry) write() { + serialized, err := entry.Logger.Formatter.Format(entry) + entry.Logger.mu.Lock() + defer entry.Logger.mu.Unlock() + if err != nil { + fmt.Fprintf(os.Stderr, "Failed to obtain reader, %v\n", err) + } else { + _, err = entry.Logger.Out.Write(serialized) + if err != nil { + fmt.Fprintf(os.Stderr, "Failed to write to log, %v\n", err) + } + } +} + +func (entry *Entry) Debug(args ...interface{}) { + if entry.Logger.level() >= DebugLevel { + entry.log(DebugLevel, fmt.Sprint(args...)) + } +} + +func (entry *Entry) Print(args ...interface{}) { + entry.Info(args...) +} + +func (entry *Entry) Info(args ...interface{}) { + if entry.Logger.level() >= InfoLevel { + entry.log(InfoLevel, fmt.Sprint(args...)) + } +} + +func (entry *Entry) Warn(args ...interface{}) { + if entry.Logger.level() >= WarnLevel { + entry.log(WarnLevel, fmt.Sprint(args...)) + } +} + +func (entry *Entry) Warning(args ...interface{}) { + entry.Warn(args...) +} + +func (entry *Entry) Error(args ...interface{}) { + if entry.Logger.level() >= ErrorLevel { + entry.log(ErrorLevel, fmt.Sprint(args...)) + } +} + +func (entry *Entry) Fatal(args ...interface{}) { + if entry.Logger.level() >= FatalLevel { + entry.log(FatalLevel, fmt.Sprint(args...)) + } + Exit(1) +} + +func (entry *Entry) Panic(args ...interface{}) { + if entry.Logger.level() >= PanicLevel { + entry.log(PanicLevel, fmt.Sprint(args...)) + } + panic(fmt.Sprint(args...)) +} + +// Entry Printf family functions + +func (entry *Entry) Debugf(format string, args ...interface{}) { + if entry.Logger.level() >= DebugLevel { + entry.Debug(fmt.Sprintf(format, args...)) + } +} + +func (entry *Entry) Infof(format string, args ...interface{}) { + if entry.Logger.level() >= InfoLevel { + entry.Info(fmt.Sprintf(format, args...)) + } +} + +func (entry *Entry) Printf(format string, args ...interface{}) { + entry.Infof(format, args...) +} + +func (entry *Entry) Warnf(format string, args ...interface{}) { + if entry.Logger.level() >= WarnLevel { + entry.Warn(fmt.Sprintf(format, args...)) + } +} + +func (entry *Entry) Warningf(format string, args ...interface{}) { + entry.Warnf(format, args...) +} + +func (entry *Entry) Errorf(format string, args ...interface{}) { + if entry.Logger.level() >= ErrorLevel { + entry.Error(fmt.Sprintf(format, args...)) + } +} + +func (entry *Entry) Fatalf(format string, args ...interface{}) { + if entry.Logger.level() >= FatalLevel { + entry.Fatal(fmt.Sprintf(format, args...)) + } + Exit(1) +} + +func (entry *Entry) Panicf(format string, args ...interface{}) { + if entry.Logger.level() >= PanicLevel { + entry.Panic(fmt.Sprintf(format, args...)) + } +} + +// Entry Println family functions + +func (entry *Entry) Debugln(args ...interface{}) { + if entry.Logger.level() >= DebugLevel { + entry.Debug(entry.sprintlnn(args...)) + } +} + +func (entry *Entry) Infoln(args ...interface{}) { + if entry.Logger.level() >= InfoLevel { + entry.Info(entry.sprintlnn(args...)) + } +} + +func (entry *Entry) Println(args ...interface{}) { + entry.Infoln(args...) +} + +func (entry *Entry) Warnln(args ...interface{}) { + if entry.Logger.level() >= WarnLevel { + entry.Warn(entry.sprintlnn(args...)) + } +} + +func (entry *Entry) Warningln(args ...interface{}) { + entry.Warnln(args...) +} + +func (entry *Entry) Errorln(args ...interface{}) { + if entry.Logger.level() >= ErrorLevel { + entry.Error(entry.sprintlnn(args...)) + } +} + +func (entry *Entry) Fatalln(args ...interface{}) { + if entry.Logger.level() >= FatalLevel { + entry.Fatal(entry.sprintlnn(args...)) + } + Exit(1) +} + +func (entry *Entry) Panicln(args ...interface{}) { + if entry.Logger.level() >= PanicLevel { + entry.Panic(entry.sprintlnn(args...)) + } +} + +// Sprintlnn => Sprint no newline. This is to get the behavior of how +// fmt.Sprintln where spaces are always added between operands, regardless of +// their type. Instead of vendoring the Sprintln implementation to spare a +// string allocation, we do the simplest thing. +func (entry *Entry) sprintlnn(args ...interface{}) string { + msg := fmt.Sprintln(args...) + return msg[:len(msg)-1] +} diff --git a/vendor/github.com/sirupsen/logrus/exported.go b/vendor/github.com/sirupsen/logrus/exported.go new file mode 100644 index 000000000..eb612a6f3 --- /dev/null +++ b/vendor/github.com/sirupsen/logrus/exported.go @@ -0,0 +1,201 @@ +package logrus + +import ( + "io" + "time" +) + +var ( + // std is the name of the standard logger in stdlib `log` + std = New() +) + +func StandardLogger() *Logger { + return std +} + +// SetOutput sets the standard logger output. +func SetOutput(out io.Writer) { + std.SetOutput(out) +} + +// SetFormatter sets the standard logger formatter. +func SetFormatter(formatter Formatter) { + std.mu.Lock() + defer std.mu.Unlock() + std.Formatter = formatter +} + +// SetLevel sets the standard logger level. +func SetLevel(level Level) { + std.mu.Lock() + defer std.mu.Unlock() + std.SetLevel(level) +} + +// GetLevel returns the standard logger level. +func GetLevel() Level { + std.mu.Lock() + defer std.mu.Unlock() + return std.level() +} + +// AddHook adds a hook to the standard logger hooks. +func AddHook(hook Hook) { + std.mu.Lock() + defer std.mu.Unlock() + std.Hooks.Add(hook) +} + +// WithError creates an entry from the standard logger and adds an error to it, using the value defined in ErrorKey as key. +func WithError(err error) *Entry { + return std.WithField(ErrorKey, err) +} + +// WithField creates an entry from the standard logger and adds a field to +// it. If you want multiple fields, use `WithFields`. +// +// Note that it doesn't log until you call Debug, Print, Info, Warn, Fatal +// or Panic on the Entry it returns. +func WithField(key string, value interface{}) *Entry { + return std.WithField(key, value) +} + +// WithFields creates an entry from the standard logger and adds multiple +// fields to it. This is simply a helper for `WithField`, invoking it +// once for each field. +// +// Note that it doesn't log until you call Debug, Print, Info, Warn, Fatal +// or Panic on the Entry it returns. +func WithFields(fields Fields) *Entry { + return std.WithFields(fields) +} + +// WithTime creats an entry from the standard logger and overrides the time of +// logs generated with it. +// +// Note that it doesn't log until you call Debug, Print, Info, Warn, Fatal +// or Panic on the Entry it returns. +func WithTime(t time.Time) *Entry { + return std.WithTime(t) +} + +// Debug logs a message at level Debug on the standard logger. +func Debug(args ...interface{}) { + std.Debug(args...) +} + +// Print logs a message at level Info on the standard logger. +func Print(args ...interface{}) { + std.Print(args...) +} + +// Info logs a message at level Info on the standard logger. +func Info(args ...interface{}) { + std.Info(args...) +} + +// Warn logs a message at level Warn on the standard logger. +func Warn(args ...interface{}) { + std.Warn(args...) +} + +// Warning logs a message at level Warn on the standard logger. +func Warning(args ...interface{}) { + std.Warning(args...) +} + +// Error logs a message at level Error on the standard logger. +func Error(args ...interface{}) { + std.Error(args...) +} + +// Panic logs a message at level Panic on the standard logger. +func Panic(args ...interface{}) { + std.Panic(args...) +} + +// Fatal logs a message at level Fatal on the standard logger then the process will exit with status set to 1. +func Fatal(args ...interface{}) { + std.Fatal(args...) +} + +// Debugf logs a message at level Debug on the standard logger. +func Debugf(format string, args ...interface{}) { + std.Debugf(format, args...) +} + +// Printf logs a message at level Info on the standard logger. +func Printf(format string, args ...interface{}) { + std.Printf(format, args...) +} + +// Infof logs a message at level Info on the standard logger. +func Infof(format string, args ...interface{}) { + std.Infof(format, args...) +} + +// Warnf logs a message at level Warn on the standard logger. +func Warnf(format string, args ...interface{}) { + std.Warnf(format, args...) +} + +// Warningf logs a message at level Warn on the standard logger. +func Warningf(format string, args ...interface{}) { + std.Warningf(format, args...) +} + +// Errorf logs a message at level Error on the standard logger. +func Errorf(format string, args ...interface{}) { + std.Errorf(format, args...) +} + +// Panicf logs a message at level Panic on the standard logger. +func Panicf(format string, args ...interface{}) { + std.Panicf(format, args...) +} + +// Fatalf logs a message at level Fatal on the standard logger then the process will exit with status set to 1. +func Fatalf(format string, args ...interface{}) { + std.Fatalf(format, args...) +} + +// Debugln logs a message at level Debug on the standard logger. +func Debugln(args ...interface{}) { + std.Debugln(args...) +} + +// Println logs a message at level Info on the standard logger. +func Println(args ...interface{}) { + std.Println(args...) +} + +// Infoln logs a message at level Info on the standard logger. +func Infoln(args ...interface{}) { + std.Infoln(args...) +} + +// Warnln logs a message at level Warn on the standard logger. +func Warnln(args ...interface{}) { + std.Warnln(args...) +} + +// Warningln logs a message at level Warn on the standard logger. +func Warningln(args ...interface{}) { + std.Warningln(args...) +} + +// Errorln logs a message at level Error on the standard logger. +func Errorln(args ...interface{}) { + std.Errorln(args...) +} + +// Panicln logs a message at level Panic on the standard logger. +func Panicln(args ...interface{}) { + std.Panicln(args...) +} + +// Fatalln logs a message at level Fatal on the standard logger then the process will exit with status set to 1. +func Fatalln(args ...interface{}) { + std.Fatalln(args...) +} diff --git a/vendor/github.com/sirupsen/logrus/formatter.go b/vendor/github.com/sirupsen/logrus/formatter.go new file mode 100644 index 000000000..83c74947b --- /dev/null +++ b/vendor/github.com/sirupsen/logrus/formatter.go @@ -0,0 +1,51 @@ +package logrus + +import "time" + +const defaultTimestampFormat = time.RFC3339 + +// The Formatter interface is used to implement a custom Formatter. It takes an +// `Entry`. It exposes all the fields, including the default ones: +// +// * `entry.Data["msg"]`. The message passed from Info, Warn, Error .. +// * `entry.Data["time"]`. The timestamp. +// * `entry.Data["level"]. The level the entry was logged at. +// +// Any additional fields added with `WithField` or `WithFields` are also in +// `entry.Data`. Format is expected to return an array of bytes which are then +// logged to `logger.Out`. +type Formatter interface { + Format(*Entry) ([]byte, error) +} + +// This is to not silently overwrite `time`, `msg` and `level` fields when +// dumping it. If this code wasn't there doing: +// +// logrus.WithField("level", 1).Info("hello") +// +// Would just silently drop the user provided level. Instead with this code +// it'll logged as: +// +// {"level": "info", "fields.level": 1, "msg": "hello", "time": "..."} +// +// It's not exported because it's still using Data in an opinionated way. It's to +// avoid code duplication between the two default formatters. +func prefixFieldClashes(data Fields, fieldMap FieldMap) { + timeKey := fieldMap.resolve(FieldKeyTime) + if t, ok := data[timeKey]; ok { + data["fields."+timeKey] = t + delete(data, timeKey) + } + + msgKey := fieldMap.resolve(FieldKeyMsg) + if m, ok := data[msgKey]; ok { + data["fields."+msgKey] = m + delete(data, msgKey) + } + + levelKey := fieldMap.resolve(FieldKeyLevel) + if l, ok := data[levelKey]; ok { + data["fields."+levelKey] = l + delete(data, levelKey) + } +} diff --git a/vendor/github.com/sirupsen/logrus/hooks.go b/vendor/github.com/sirupsen/logrus/hooks.go new file mode 100644 index 000000000..3f151cdc3 --- /dev/null +++ b/vendor/github.com/sirupsen/logrus/hooks.go @@ -0,0 +1,34 @@ +package logrus + +// A hook to be fired when logging on the logging levels returned from +// `Levels()` on your implementation of the interface. Note that this is not +// fired in a goroutine or a channel with workers, you should handle such +// functionality yourself if your call is non-blocking and you don't wish for +// the logging calls for levels returned from `Levels()` to block. +type Hook interface { + Levels() []Level + Fire(*Entry) error +} + +// Internal type for storing the hooks on a logger instance. +type LevelHooks map[Level][]Hook + +// Add a hook to an instance of logger. This is called with +// `log.Hooks.Add(new(MyHook))` where `MyHook` implements the `Hook` interface. +func (hooks LevelHooks) Add(hook Hook) { + for _, level := range hook.Levels() { + hooks[level] = append(hooks[level], hook) + } +} + +// Fire all the hooks for the passed level. Used by `entry.log` to fire +// appropriate hooks for a log entry. +func (hooks LevelHooks) Fire(level Level, entry *Entry) error { + for _, hook := range hooks[level] { + if err := hook.Fire(entry); err != nil { + return err + } + } + + return nil +} diff --git a/vendor/github.com/sirupsen/logrus/json_formatter.go b/vendor/github.com/sirupsen/logrus/json_formatter.go new file mode 100644 index 000000000..dab17610f --- /dev/null +++ b/vendor/github.com/sirupsen/logrus/json_formatter.go @@ -0,0 +1,89 @@ +package logrus + +import ( + "encoding/json" + "fmt" +) + +type fieldKey string + +// FieldMap allows customization of the key names for default fields. +type FieldMap map[fieldKey]string + +// Default key names for the default fields +const ( + FieldKeyMsg = "msg" + FieldKeyLevel = "level" + FieldKeyTime = "time" +) + +func (f FieldMap) resolve(key fieldKey) string { + if k, ok := f[key]; ok { + return k + } + + return string(key) +} + +// JSONFormatter formats logs into parsable json +type JSONFormatter struct { + // TimestampFormat sets the format used for marshaling timestamps. + TimestampFormat string + + // DisableTimestamp allows disabling automatic timestamps in output + DisableTimestamp bool + + // DataKey allows users to put all the log entry parameters into a nested dictionary at a given key. + DataKey string + + // FieldMap allows users to customize the names of keys for default fields. + // As an example: + // formatter := &JSONFormatter{ + // FieldMap: FieldMap{ + // FieldKeyTime: "@timestamp", + // FieldKeyLevel: "@level", + // FieldKeyMsg: "@message", + // }, + // } + FieldMap FieldMap +} + +// Format renders a single log entry +func (f *JSONFormatter) Format(entry *Entry) ([]byte, error) { + data := make(Fields, len(entry.Data)+3) + for k, v := range entry.Data { + switch v := v.(type) { + case error: + // Otherwise errors are ignored by `encoding/json` + // https://github.com/sirupsen/logrus/issues/137 + data[k] = v.Error() + default: + data[k] = v + } + } + + if f.DataKey != "" { + newData := make(Fields, 4) + newData[f.DataKey] = data + data = newData + } + + prefixFieldClashes(data, f.FieldMap) + + timestampFormat := f.TimestampFormat + if timestampFormat == "" { + timestampFormat = defaultTimestampFormat + } + + if !f.DisableTimestamp { + data[f.FieldMap.resolve(FieldKeyTime)] = entry.Time.Format(timestampFormat) + } + data[f.FieldMap.resolve(FieldKeyMsg)] = entry.Message + data[f.FieldMap.resolve(FieldKeyLevel)] = entry.Level.String() + + serialized, err := json.Marshal(data) + if err != nil { + return nil, fmt.Errorf("Failed to marshal fields to JSON, %v", err) + } + return append(serialized, '\n'), nil +} diff --git a/vendor/github.com/sirupsen/logrus/logger.go b/vendor/github.com/sirupsen/logrus/logger.go new file mode 100644 index 000000000..342f7977d --- /dev/null +++ b/vendor/github.com/sirupsen/logrus/logger.go @@ -0,0 +1,337 @@ +package logrus + +import ( + "io" + "os" + "sync" + "sync/atomic" + "time" +) + +type Logger struct { + // The logs are `io.Copy`'d to this in a mutex. It's common to set this to a + // file, or leave it default which is `os.Stderr`. You can also set this to + // something more adventorous, such as logging to Kafka. + Out io.Writer + // Hooks for the logger instance. These allow firing events based on logging + // levels and log entries. For example, to send errors to an error tracking + // service, log to StatsD or dump the core on fatal errors. + Hooks LevelHooks + // All log entries pass through the formatter before logged to Out. The + // included formatters are `TextFormatter` and `JSONFormatter` for which + // TextFormatter is the default. In development (when a TTY is attached) it + // logs with colors, but to a file it wouldn't. You can easily implement your + // own that implements the `Formatter` interface, see the `README` or included + // formatters for examples. + Formatter Formatter + // The logging level the logger should log at. This is typically (and defaults + // to) `logrus.Info`, which allows Info(), Warn(), Error() and Fatal() to be + // logged. + Level Level + // Used to sync writing to the log. Locking is enabled by Default + mu MutexWrap + // Reusable empty entry + entryPool sync.Pool +} + +type MutexWrap struct { + lock sync.Mutex + disabled bool +} + +func (mw *MutexWrap) Lock() { + if !mw.disabled { + mw.lock.Lock() + } +} + +func (mw *MutexWrap) Unlock() { + if !mw.disabled { + mw.lock.Unlock() + } +} + +func (mw *MutexWrap) Disable() { + mw.disabled = true +} + +// Creates a new logger. Configuration should be set by changing `Formatter`, +// `Out` and `Hooks` directly on the default logger instance. You can also just +// instantiate your own: +// +// var log = &Logger{ +// Out: os.Stderr, +// Formatter: new(JSONFormatter), +// Hooks: make(LevelHooks), +// Level: logrus.DebugLevel, +// } +// +// It's recommended to make this a global instance called `log`. +func New() *Logger { + return &Logger{ + Out: os.Stderr, + Formatter: new(TextFormatter), + Hooks: make(LevelHooks), + Level: InfoLevel, + } +} + +func (logger *Logger) newEntry() *Entry { + entry, ok := logger.entryPool.Get().(*Entry) + if ok { + return entry + } + return NewEntry(logger) +} + +func (logger *Logger) releaseEntry(entry *Entry) { + logger.entryPool.Put(entry) +} + +// Adds a field to the log entry, note that it doesn't log until you call +// Debug, Print, Info, Warn, Error, Fatal or Panic. It only creates a log entry. +// If you want multiple fields, use `WithFields`. +func (logger *Logger) WithField(key string, value interface{}) *Entry { + entry := logger.newEntry() + defer logger.releaseEntry(entry) + return entry.WithField(key, value) +} + +// A |