Function HTTPResponseFromError

httpgrpc/httpgrpc.go:147–165

HTTPResponseFromError converts a grpc error into an HTTP response

(err error)

// HTTPResponseFromError converts a grpc error into an HTTP response
func HTTPResponseFromError(err error) (*HTTPResponse, bool) {
	s, ok := grpcutil.ErrorToStatus(err)
	if !ok {
		return nil, false
	}

	status := s.Proto()
	if len(status.Details) != 1 {
		return nil, false
	}

	var resp HTTPResponse
	if err := types.UnmarshalAny(status.Details[0], &resp); err != nil {
		level.Error(log.Global()).Log("msg", "got error containing non-response", "err", err)
		return nil, false
	}

	return &resp, true
}