timetable-mgr/log/log.go

77 lines
1.5 KiB
Go

package log
import (
"os"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
// Use outside `package log`
// should be avoided.
var post *zap.Logger
// Initialises the logger
func InitLogger() {
var err error
mode := os.Getenv("runtime")
if mode == "" {
mode = "prod"
}
var level zapcore.Level
if mode == "debug" {
level = zap.DebugLevel
} else {
level = zap.InfoLevel
}
config := zap.NewDevelopmentConfig()
config.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
config.Level = zap.NewAtomicLevelAt(level)
post, err = config.Build(zap.AddCallerSkip(1))
if err != nil {
panic("Failed to initialize logger: " + err.Error())
}
defer post.Sync()
Info("Logger initialised", zap.String("level", level.String()), zap.String("runtime", mode))
}
// Logs message at info level
func Info(msg string, fields ...zap.Field) {
post.Info(msg, fields...)
}
// Logs message at debug level
func Debug(msg string, fields ...zap.Field) {
post.Debug(msg, fields...)
}
// Logs message at warn level
func Warn(msg string, fields ...zap.Field) {
post.Warn(msg, fields...)
}
// Logs message at error level
func Error(msg string, fields ...zap.Field) {
post.Error(msg, fields...)
}
// Logs message at fatal level then call os.exit(1)
func Fatal(msg string, fields ...zap.Field) {
post.Fatal(msg, fields...)
}
// Logs message at panic level the panics
func Panic(msg string, fields ...zap.Field) {
post.Panic(msg, fields...)
}
// Flushes log messages
func Cleanup() {
Info("Flushing log messages")
post.Sync()
}