filling group from database

gistfile1.pl

use Rex::Commands::DB {
                           dsn      => "DBI:mysql:database=test;host=localhost",
                           user     => "myuser",
                           password => "foobar",
                      };


group mygroup => map { $_->{name} } db select => {
                    fields => "name",
                    from   => "servers",
                 };