An OTP application
$ rebar3 compile
ecomet:login(<<"system">>,<<"111111">>).
ecomet:logout().
ecomet:query("insert .name='new_node@my_domain.com', .folder=$oid('/root/.nodes'), .pattern=$oid('/root/.patterns/.node')").
ecomet:query("get .name, is_ready from * where .pattern=$oid('/root/.patterns/.node')").
ecomet:query("insert .name='new_database', .folder=$oid('/root/.databases'), .pattern=$oid('/root/.patterns/.database')").
{_,[S]}=ecomet:query("get $sum($size) from * where .folder=$oid('/root/.databases/db1')")