mariadb

    profile profile::mariadb::monitor::prometheus
        modules/profile/manifests/mariadb/monitor/prometheus.pp
        Uses role::prometheus::mysqld_exporter

prometheus

    role role::prometheus::mysqld_exporter
        modules/role/manifests/prometheus/mysqld_exporter.pp
        Uses prometheus::mysqld_exporter
        Sets up ferm entry for 9104.
    define prometheus::mysqld_exporter
        modules/prometheus/manifests/mysqld_exporter.pp
        Installs package
        Creates /var/lib/prometheus
        Manages /var/lib/prometheus/.my.cnf
        Sets exporter default arguments
        Manages /etc/default/prometheus-mysqld-exporter
        Starts service
    define profile::prometheus::mysqld_exporter_instance
        modules/profile/manifests/prometheus/mysqld_exporter_instance.pp
        Multi-instance exporter profile
        Uses prometheus::mysqld_exporter::instance
        Sets up ferm entry
    define prometheus::mysqld_exporter::instance
        modules/prometheus/manifests/mysqld_exporter/instance.pp
        Uses prometheus::mysqld_exporter::common
        Basically multi-instance version of prometheus::mysqld_exporter
    class prometheus::mysqld_exporter::common
        modules/prometheus/manifests/mysqld_exporter/common.pp
        Installs package
        Creates /etc/default/prometheus
        Manages multi-instance systemd service