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zap.go
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zap.go
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package logger
import (
"os"
"sync/atomic"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
var (
// global logger instance.
global *zap.SugaredLogger
disableLogger atomic.Bool
defaultLevel = zap.NewAtomicLevelAt(zap.DebugLevel)
generationArgs = []any{"@gen", "1"}
)
func init() {
SetLogger(newSugaredLogger(defaultLevel))
}
// SetLogger sets to global logger a new *zap.SugaredLogger.
func SetLogger(l *zap.SugaredLogger) {
global = l
}
// GetLogger returns current global logger.
func GetLogger() *zap.SugaredLogger {
return global
}
// DisableLogger turn off all logs, globally.
func DisableLogger() {
disableLogger.Store(true)
}
// LoggerIsDisable checks the status of the logger (true - disabled, false - enabled)
func LoggerIsDisable() bool {
return disableLogger.Load()
}
func newSugaredLogger(level zapcore.LevelEnabler, options ...zap.Option) *zap.SugaredLogger {
if level == nil {
level = defaultLevel
}
return zap.New(
zapcore.NewCore(
zapcore.NewJSONEncoder(zapcore.EncoderConfig{
TimeKey: "ts",
LevelKey: "level",
NameKey: "logger",
CallerKey: "caller",
MessageKey: "message",
StacktraceKey: "stacktrace",
LineEnding: zapcore.DefaultLineEnding,
EncodeLevel: capitalLevelEncoder,
EncodeTime: zapcore.ISO8601TimeEncoder,
EncodeDuration: zapcore.SecondsDurationEncoder,
EncodeCaller: zapcore.ShortCallerEncoder,
}),
zapcore.AddSync(os.Stdout),
level,
),
options...,
).Sugar().With(generationArgs...)
}
func capitalLevelEncoder(l zapcore.Level, enc zapcore.PrimitiveArrayEncoder) {
level := ""
switch l {
case zapcore.ErrorLevel:
level = "ERR"
case zapcore.WarnLevel:
level = "WARNING"
default:
level = l.CapitalString()
}
enc.AppendString(level)
}
// Debug ...
func Debug(args ...any) {
if log := GetLogger(); !LoggerIsDisable() {
log.Debug(args...)
}
}
// Debugf ...
func Debugf(format string, args ...any) {
if log := GetLogger(); !LoggerIsDisable() {
log.Debugf(format, args...)
}
}
// Info ...
func Info(args ...any) {
if log := GetLogger(); !LoggerIsDisable() {
log.Info(args...)
}
}
// Infof ...
func Infof(format string, args ...any) {
if log := GetLogger(); !LoggerIsDisable() {
log.Infof(format, args...)
}
}
// Warn ...
func Warn(args ...any) {
if log := GetLogger(); !LoggerIsDisable() {
log.Warn(args...)
}
}
// Warnf ...
func Warnf(format string, args ...any) {
if log := GetLogger(); !LoggerIsDisable() {
log.Warnf(format, args...)
}
}
// Error ...
func Error(args ...any) {
if log := GetLogger(); !LoggerIsDisable() {
log.Error(args...)
}
}
// Errorf ...
func Errorf(format string, args ...any) {
if log := GetLogger(); !LoggerIsDisable() {
log.Errorf(format, args...)
}
}
// Fatal ...
func Fatal(args ...any) {
if log := GetLogger(); !LoggerIsDisable() {
log.Fatal(args...)
}
}
// Fatalf ...
func Fatalf(format string, args ...any) {
if log := GetLogger(); !LoggerIsDisable() {
log.Fatalf(format, args...)
}
}