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log.go
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/
log.go
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package log
import (
"github.com/pkg/errors"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
// NewZapLogger initializes a new *zap.Logger instance
func NewZapLogger(level string) (*zap.Logger, error) {
if level == "off" {
return zap.NewNop(), nil
}
cfg := zap.NewProductionConfig()
var zapLevel zapcore.Level
switch level {
case "fatal":
zapLevel = zap.FatalLevel
case "panic":
zapLevel = zap.PanicLevel
case "error":
zapLevel = zap.ErrorLevel
case "warn":
zapLevel = zap.WarnLevel
case "info":
zapLevel = zap.InfoLevel
case "debug":
zapLevel = zap.DebugLevel
}
cfg.Level.SetLevel(zapLevel)
logger, err := cfg.Build()
if err != nil {
return nil, errors.Wrap(err, "error building logger configuration")
}
return logger, nil
}