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logger.go
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logger.go
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package log
import (
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"os"
"path/filepath"
)
/*
Creation Time: 2019 - Mar - 02
Created by: (ehsan)
Maintainers:
1. Ehsan N. Moosa (E2)
Auditor: Ehsan N. Moosa (E2)
Copyright Ronak Software Group 2020
*/
var (
atomicLevel zap.AtomicLevel
DefaultLogger *zapLogger
)
type (
Level = zapcore.Level
Field = zapcore.Field
FieldType = zapcore.FieldType
CheckedEntry = zapcore.CheckedEntry
)
type Logger interface {
Log(level Level, msg string, fields ...Field)
Debug(msg string, fields ...Field)
Info(msg string, fields ...Field)
Warn(msg string, fields ...Field)
Error(msg string, fields ...Field)
Fatal(msg string, fields ...Field)
Check(Level, string) *CheckedEntry
Sync() error
SetLevel(level Level)
}
type Config struct {
Level Level
DirPath string
Filename string
SentryDSN string
SentryLevel Level
Release string
Environment string
}
var DefaultConfig = Config{
Level: InfoLevel,
DirPath: ".",
Filename: "",
SentryDSN: "",
SentryLevel: WarnLevel,
Release: "",
Environment: "",
}
func newZapLogger(core zapcore.Core, skip int) *zapLogger {
l := new(zapLogger)
l.Logger = zap.New(
core,
zap.AddCaller(),
zap.AddStacktrace(ErrorLevel),
zap.AddCallerSkip(skip),
)
return l
}
func Init(config Config) Logger {
atomicLevel = zap.NewAtomicLevelAt(config.Level)
encoder := zapcore.NewConsoleEncoder(zapcore.EncoderConfig{
TimeKey: "ts",
LevelKey: "level",
NameKey: "logger",
CallerKey: "caller",
MessageKey: "msg",
StacktraceKey: "stacktrace",
LineEnding: zapcore.DefaultLineEnding,
EncodeLevel: zapcore.CapitalColorLevelEncoder,
EncodeTime: zapcore.ISO8601TimeEncoder,
EncodeDuration: zapcore.StringDurationEncoder,
EncodeCaller: zapcore.ShortCallerEncoder,
})
cores := append([]zapcore.Core{}[:0],
zapcore.NewCore(encoder, zapcore.Lock(os.Stdout), atomicLevel),
)
logFile := filepath.Join(config.DirPath, config.Filename)
if f, err := os.Create(logFile); err == nil {
cores = append(cores,
zapcore.NewCore(encoder, zapcore.AddSync(f), zap.NewAtomicLevelAt(WarnLevel)),
)
}
sentryCore := NewSentryCore(config.SentryDSN, config.Release, config.Environment, config.SentryLevel, nil)
if sentryCore != nil {
cores = append(cores, sentryCore)
}
DefaultLogger = newZapLogger(zapcore.NewTee(cores...), 2)
return DefaultLogger
}
func Debug(msg string, fields ...Field) {
DefaultLogger.Debug(msg, fields...)
}
func Info(msg string, fields ...Field) {
DefaultLogger.Info(msg, fields...)
}
func Warn(msg string, fields ...Field) {
DefaultLogger.Warn(msg, fields...)
}
func Error(msg string, fields ...Field) {
DefaultLogger.Error(msg, fields...)
}
func Fatal(msg string, fields ...Field) {
DefaultLogger.Fatal(msg, fields...)
}
func Check(level Level, msg string) *CheckedEntry {
return DefaultLogger.Check(level, msg)
}
func SetLevel(level Level) {
atomicLevel.SetLevel(level)
}
type zapLogger struct {
*zap.Logger
zap.AtomicLevel
}
func (l *zapLogger) Log(level Level, msg string, fields ...Field) {
l.Check(level, msg).Write(fields...)
}
func (l *zapLogger) Debug(msg string, fields ...Field) {
l.Logger.Debug(msg, fields...)
}
func (l *zapLogger) Info(msg string, fields ...Field) {
l.Logger.Info(msg, fields...)
}
func (l *zapLogger) Warn(msg string, fields ...Field) {
l.Logger.Warn(msg, fields...)
}
func (l *zapLogger) Error(msg string, fields ...Field) {
l.Logger.Error(msg, fields...)
}
func (l *zapLogger) Fatal(msg string, fields ...Field) {
l.Logger.Fatal(msg, fields...)
}
func (l *zapLogger) Check(level Level, msg string) *CheckedEntry {
return l.Logger.Check(level, msg)
}
func (l *zapLogger) SetLevel(level Level) {
l.AtomicLevel.SetLevel(level)
}