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logrus.go
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logrus.go
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package log
import (
"context"
"encoding/json"
"fmt"
"github.com/sirupsen/logrus"
"io"
"os"
"strings"
"time"
)
var fieldConfig FieldConfig
var logger *logrus.Logger
func Initialize(c Config, opts...func(logLocation string, rotationTime time.Duration) (io.Writer, func() error)) *logrus.Logger {
var getWriter func(logLocation string, rotationTime time.Duration) (io.Writer, func() error)
if len(opts) > 0 && opts[0] != nil {
getWriter = opts[0]
}
fieldConfig.FieldMap = c.FieldMap
if len(c.Duration) > 0 {
fieldConfig.Duration = c.Duration
} else {
fieldConfig.Duration = "duration"
}
if len(c.Fields) > 0 {
fields := strings.Split(c.Fields, ",")
fieldConfig.Fields = &fields
}
l := logrus.New()
// kibana: time:@timestamp msg:message
formatter := logrus.JSONFormatter{TimestampFormat: "2006-01-02T15:04:05.000Z0700"}
if len(c.TimestampFormat) > 0 {
formatter.TimestampFormat = c.TimestampFormat
}
if c.Map != nil {
formatter.FieldMap = *c.Map
}
x := &formatter
l.SetFormatter(x)
logrus.SetFormatter(x)
if len(c.Output) > 0 && getWriter != nil {
CreatePath(c.Output)
w, close := getWriter(c.Output, 24*time.Hour)
l.SetOutput(io.MultiWriter(os.Stderr, w))
logrus.SetOutput(io.MultiWriter(os.Stderr, w))
handler := func() {
close()
}
logrus.RegisterExitHandler(handler)
}
if len(c.Level) > 0 {
if level, err := logrus.ParseLevel(c.Level); err == nil {
l.SetLevel(level)
logrus.SetLevel(level)
} else {
logrus.Errorf("Can't parse LOG_LEVEL: %s.", c.Level)
}
}
logger = l
return l
}
func IsTraceEnable() bool {
return logrus.IsLevelEnabled(logrus.TraceLevel)
}
func IsDebugEnable() bool {
return logrus.IsLevelEnabled(logrus.DebugLevel)
}
func IsInfoEnable() bool {
return logrus.IsLevelEnabled(logrus.InfoLevel)
}
func IsWarnEnable() bool {
return logrus.IsLevelEnabled(logrus.WarnLevel)
}
func IsErrorEnable() bool {
return logrus.IsLevelEnabled(logrus.ErrorLevel)
}
func Key(logger *logrus.Logger) map[string]string {
f1, ok := logger.Formatter.(*logrus.JSONFormatter)
if ok {
maps := make(map[string]string)
fms := f1.FieldMap
for k, e := range fms {
k2 := fmt.Sprint(k)
maps[k2] = e
}
return maps
}
return nil
}
func Logger() *logrus.Logger {
return logger
}
func FatalMsg(ctx context.Context, msg string) {
Fatal(ctx, msg)
}
func PanicMsg(ctx context.Context, msg string) {
Panic(ctx, msg)
}
func ErrorMsg(ctx context.Context, msg string) {
Error(ctx, msg)
}
func WarnMsg(ctx context.Context, msg string) {
Warn(ctx, msg)
}
func InfoMsg(ctx context.Context, msg string) {
Info(ctx, msg)
}
func DebugMsg(ctx context.Context, msg string) {
Info(ctx, msg)
}
func TraceMsg(ctx context.Context, msg string) {
Trace(ctx, msg)
}
func DebugDuration(ctx context.Context, start time.Time, args ...interface{}) {
LogDuration(ctx, logrus.DebugLevel, start, args)
}
func InfoDuration(ctx context.Context, start time.Time, args ...interface{}) {
LogDuration(ctx, logrus.InfoLevel, start, args)
}
func LogDuration(ctx context.Context, level logrus.Level, start time.Time, args ...interface{}) {
if logrus.IsLevelEnabled(level) {
end := time.Now()
duration := end.Sub(start)
fields := AppendFields(ctx, logrus.Fields{})
fields[fieldConfig.Duration] = duration.Milliseconds()
logrus.WithFields(fields).Log(level, args...)
}
}
func LogfDuration(ctx context.Context, level logrus.Level, start time.Time, format string, args ...interface{}) {
if logrus.IsLevelEnabled(level) {
end := time.Now()
duration := end.Sub(start)
fields := AppendFields(ctx, logrus.Fields{})
fields[fieldConfig.Duration] = duration.Milliseconds()
logrus.WithFields(fields).Logf(level, format, args...)
}
}
func Log(ctx context.Context, level logrus.Level, args ...interface{}) {
if logrus.IsLevelEnabled(level) {
fields := AppendFields(ctx, logrus.Fields{})
if len(args) == 1 {
msg := args[0]
s1, ok := msg.(string)
if ok {
logrus.WithFields(fields).Log(level, s1)
} else {
bs, err := json.Marshal(msg)
if err != nil {
logrus.WithFields(fields).Log(level, args...)
} else {
s2 := string(bs)
logrus.WithFields(fields).Log(level, s2)
}
}
} else {
logrus.WithFields(fields).Log(level, args...)
}
}
}
func Logf(ctx context.Context, level logrus.Level, format string, args ...interface{}) {
if logrus.IsLevelEnabled(level) {
fields := AppendFields(ctx, logrus.Fields{})
logrus.WithFields(fields).Logf(level, format, args...)
}
}
func Trace(ctx context.Context, args ...interface{}) {
Log(ctx, logrus.TraceLevel, args...)
}
func Debug(ctx context.Context, args ...interface{}) {
Log(ctx, logrus.DebugLevel, args...)
}
func Info(ctx context.Context, args ...interface{}) {
Log(ctx, logrus.InfoLevel, args...)
}
func Warn(ctx context.Context, args ...interface{}) {
Log(ctx, logrus.WarnLevel, args...)
}
func Error(ctx context.Context, args ...interface{}) {
Log(ctx, logrus.ErrorLevel, args...)
}
func Fatal(ctx context.Context, args ...interface{}) {
Log(ctx, logrus.FatalLevel, args...)
}
func Panic(ctx context.Context, args ...interface{}) {
Log(ctx, logrus.PanicLevel, args...)
}
func AppendFields(ctx context.Context, fields logrus.Fields) logrus.Fields {
if len(fieldConfig.FieldMap) > 0 {
if logFields, ok := ctx.Value(fieldConfig.FieldMap).(map[string]interface{}); ok {
for k, v := range logFields {
fields[k] = v
}
}
}
if fieldConfig.Fields != nil {
cfs := *fieldConfig.Fields
for _, k2 := range cfs {
if v2, ok := ctx.Value(k2).(string); ok && len(v2) > 0 {
fields[k2] = v2
}
}
}
return fields
}
func Tracef(ctx context.Context, format string, args ...interface{}) {
Logf(ctx, logrus.TraceLevel, format, args...)
}
func Debugf(ctx context.Context, format string, args ...interface{}) {
Logf(ctx, logrus.DebugLevel, format, args...)
}
func Infof(ctx context.Context, format string, args ...interface{}) {
Logf(ctx, logrus.InfoLevel, format, args...)
}
func Warnf(ctx context.Context, format string, args ...interface{}) {
Logf(ctx, logrus.WarnLevel, format, args...)
}
func Errorf(ctx context.Context, format string, args ...interface{}) {
Logf(ctx, logrus.ErrorLevel, format, args...)
}
func Fatalf(ctx context.Context, format string, args ...interface{}) {
Logf(ctx, logrus.FatalLevel, format, args...)
}
func Panicf(ctx context.Context, format string, args ...interface{}) {
Logf(ctx, logrus.PanicLevel, format, args...)
}
func BuildLogFields(m map[string]interface{}) logrus.Fields {
logFields := logrus.Fields{}
if m == nil || len(m) == 0 {
return logFields
}
for k, v := range m {
logFields[k] = v
}
return logFields
}
func LogWithFields(ctx context.Context, level logrus.Level, msg interface{}, fields map[string]interface{}) {
if msg == nil {
return
}
if logrus.IsLevelEnabled(level) {
fs := BuildLogFields(fields)
fs2 := AppendFields(ctx, fs)
s1, ok := msg.(string)
if ok {
logrus.WithFields(fs2).Log(level, s1)
} else {
bs, err := json.Marshal(msg)
if err != nil {
logrus.WithFields(fs2).Log(level, msg)
} else {
s2 := string(bs)
logrus.WithFields(fs2).Log(level, s2)
}
}
}
}
func LogfWithFields(ctx context.Context, level logrus.Level, fields map[string]interface{}, format string, args ...interface{}) {
if logrus.IsLevelEnabled(level) {
fs := BuildLogFields(fields)
fs2 := AppendFields(ctx, fs)
msg := fmt.Sprintf(format, args...)
logrus.WithFields(fs2).Log(level, msg)
}
}
func TraceWithFields(ctx context.Context, msg interface{}, fields map[string]interface{}) {
LogWithFields(ctx, logrus.TraceLevel, msg, fields)
}
func TracefWithFields(ctx context.Context, fields map[string]interface{}, format string, args ...interface{}) {
if logrus.IsLevelEnabled(logrus.TraceLevel) {
msg := fmt.Sprintf(format, args...)
LogWithFields(ctx, logrus.TraceLevel, msg, fields)
}
}
func DebugWithFields(ctx context.Context, msg interface{}, fields map[string]interface{}) {
LogWithFields(ctx, logrus.DebugLevel, msg, fields)
}
func DebugfWithFields(ctx context.Context, fields map[string]interface{}, format string, args ...interface{}) {
if logrus.IsLevelEnabled(logrus.DebugLevel) {
msg := fmt.Sprintf(format, args...)
LogWithFields(ctx, logrus.DebugLevel, msg, fields)
}
}
func InfoWithFields(ctx context.Context, msg interface{}, fields map[string]interface{}) {
LogWithFields(ctx, logrus.InfoLevel, msg, fields)
}
func InfofWithFields(ctx context.Context, fields map[string]interface{}, format string, args ...interface{}) {
if logrus.IsLevelEnabled(logrus.InfoLevel) {
msg := fmt.Sprintf(format, args...)
LogWithFields(ctx, logrus.InfoLevel, msg, fields)
}
}
func WarnWithFields(ctx context.Context, msg interface{}, fields map[string]interface{}) {
LogWithFields(ctx, logrus.WarnLevel, msg, fields)
}
func WarnfWithFields(ctx context.Context, fields map[string]interface{}, format string, args ...interface{}) {
if logrus.IsLevelEnabled(logrus.WarnLevel) {
msg := fmt.Sprintf(format, args...)
LogWithFields(ctx, logrus.WarnLevel, msg, fields)
}
}
func ErrorWithFields(ctx context.Context, msg interface{}, fields map[string]interface{}) {
LogWithFields(ctx, logrus.ErrorLevel, msg, fields)
}
func ErrorfWithFields(ctx context.Context, fields map[string]interface{}, format string, args ...interface{}) {
msg := fmt.Sprintf(format, args...)
LogWithFields(ctx, logrus.ErrorLevel, msg, fields)
}
func FatalWithFields(ctx context.Context, msg interface{}, fields map[string]interface{}) {
LogWithFields(ctx, logrus.FatalLevel, msg, fields)
}
func FatalfWithFields(ctx context.Context, fields map[string]interface{}, format string, args ...interface{}) {
msg := fmt.Sprintf(format, args...)
LogWithFields(ctx, logrus.FatalLevel, msg, fields)
}
func PanicWithFields(ctx context.Context, msg interface{}, fields map[string]interface{}) {
LogWithFields(ctx, logrus.PanicLevel, msg, fields)
}
func PanicfWithFields(ctx context.Context, fields map[string]interface{}, format string, args ...interface{}) {
msg := fmt.Sprintf(format, args...)
LogWithFields(ctx, logrus.PanicLevel, msg, fields)
}
func TraceFields(ctx context.Context, msg string, fields map[string]interface{}) {
LogWithFields(ctx, logrus.TraceLevel, msg, fields)
}
func DebugFields(ctx context.Context, msg string, fields map[string]interface{}) {
LogWithFields(ctx, logrus.DebugLevel, msg, fields)
}
func InfoFields(ctx context.Context, msg string, fields map[string]interface{}) {
LogWithFields(ctx, logrus.InfoLevel, msg, fields)
}
func WarnFields(ctx context.Context, msg string, fields map[string]interface{}) {
LogWithFields(ctx, logrus.WarnLevel, msg, fields)
}
func ErrorFields(ctx context.Context, msg string, fields map[string]interface{}) {
LogWithFields(ctx, logrus.ErrorLevel, msg, fields)
}
func FatalFields(ctx context.Context, msg string, fields map[string]interface{}) {
LogWithFields(ctx, logrus.FatalLevel, msg, fields)
}
func PanicFields(ctx context.Context, msg string, fields map[string]interface{}) {
LogWithFields(ctx, logrus.PanicLevel, msg, fields)
}
func LogTrace(ctx context.Context, msg string, opts ...map[string]interface{}) {
if len(opts) > 0 {
TraceWithFields(ctx, msg, opts[0])
} else {
TraceWithFields(ctx, msg, nil)
}
}
func LogDebug(ctx context.Context, msg string, opts ...map[string]interface{}) {
if len(opts) > 0 {
DebugWithFields(ctx, msg, opts[0])
} else {
DebugWithFields(ctx, msg, nil)
}
}
func LogInfo(ctx context.Context, msg string, opts ...map[string]interface{}) {
if len(opts) > 0 {
InfoWithFields(ctx, msg, opts[0])
} else {
InfoWithFields(ctx, msg, nil)
}
}
func LogWarn(ctx context.Context, msg string, opts ...map[string]interface{}) {
if len(opts) > 0 {
WarnWithFields(ctx, msg, opts[0])
} else {
WarnWithFields(ctx, msg, nil)
}
}
func LogError(ctx context.Context, msg string, opts ...map[string]interface{}) {
if len(opts) > 0 {
ErrorWithFields(ctx, msg, opts[0])
} else {
ErrorWithFields(ctx, msg, nil)
}
}
func LogFatal(ctx context.Context, msg string, opts ...map[string]interface{}) {
if len(opts) > 0 {
FatalWithFields(ctx, msg, opts[0])
} else {
FatalWithFields(ctx, msg, nil)
}
}
func LogPanic(ctx context.Context, msg string, opts ...map[string]interface{}) {
if len(opts) > 0 {
PanicWithFields(ctx, msg, opts[0])
} else {
PanicWithFields(ctx, msg, nil)
}
}