package My::Role::Getopt {
    use Moose::Role;
    with 'My::Role::DB'; 
    with 'My::Role::Log';
    with 'MooseX::Getopt::Dashes';

    before 'process_argv' => sub {
        my $self = shift;
        my @attrs_to_exclude_from_getopt = (
             '+db',
             ...
        );
        for my $attr (@attrs_to_exclude_from_getopt) {
            $self->meta->add_attribute($attr => (traits => ['NoGetopt'
+]));
        }
    };
    no Moose::Role;
}
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