func retryPredicate()

in retry.go [31:65]

• 29 lines of code
• 7 McCabe index (conditional complexity)

func retryPredicate(err error) (shouldRetry bool) {
	if err == nil {
		return
	}

	s, ok := status.FromError(err)
	// Non-status based error conditions.
	if !ok {
		// EOF can happen in the case of connection close.
		if errors.Is(err, io.EOF) {
			shouldRetry = true
			return
		}
		// All other non-status errors are treated as non-retryable (including context errors).
		return
	}
	switch s.Code() {
	case codes.Aborted,
		codes.Canceled,
		codes.DeadlineExceeded,
		codes.FailedPrecondition,
		codes.Internal,
		codes.Unavailable:
		shouldRetry = true
		return
	case codes.ResourceExhausted:
		if strings.HasPrefix(s.Message(), "Exceeds 'AppendRows throughput' quota") {
			// Note: internal b/246031522 opened to give this a structured error
			// And avoid string parsing.  Should be a QuotaFailure or similar.
			shouldRetry = true
			return
		}
	}
	return
}