logging

func ContextWithWriter ¶

func ContextWithWriter(ctx context.Context, logger io.Writer) context.Context

func Logger ¶ added in v1.1.0

func Logger(ctx context.Context, prefix string) *zap.Logger

Logger returns a logger from the context, or the global logger if none is found. this is somewhat expensive, it should be called once per task.

func WriterFromContext ¶

func WriterFromContext(ctx context.Context) io.Writer