/
logger.go
41 lines (32 loc) · 861 Bytes
/
logger.go
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package logger
import (
"context"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
func New(service string) (*zap.SugaredLogger, error) {
config := zap.NewProductionConfig()
config.OutputPaths = []string{"stdout"}
config.EncoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
config.DisableStacktrace = true
config.InitialFields = map[string]interface{}{
"service": service,
}
log, err := config.Build()
if err != nil {
return nil, err
}
return log.Sugar(), nil
}
type logCtxKeyType struct{}
var logCtxKey logCtxKeyType = logCtxKeyType{}
func WithLogContext(ctx context.Context, log *zap.SugaredLogger) context.Context {
return context.WithValue(ctx, logCtxKey, log)
}
func LogFromContext(ctx context.Context) *zap.SugaredLogger {
log, ok := ctx.Value(logCtxKey).(*zap.SugaredLogger)
if ok && log != nil {
return log
}
return nil
}