const DOMAIN = config.domain;
fn check_domain() {
    assert(have_namespace(`${global::DOMAIN}`),                         `There is no ${global::DOMAIN} namespace`);
}
fn check_prometheus() {
    assert(have_namespace(`${global::DOMAIN}-monitor`),                    `There is no ${global::DOMAIN}-monitor namespace`);
    assert(have_install(`${global::DOMAIN}-monitor`, "prometheus"),         `No prometheus installation in ${global::DOMAIN}-monitor`);
    assert(have_service(`${global::DOMAIN}-monitor`, "prometheus-prometheus"),          `No prometheus-prometheus service in ${global::DOMAIN}-monitor`);
}
fn pre_check() {
    check_domain();
    check_prometheus();
}