metadata/service/exporters/libvirt.yml

applications:
  - prometheus
classes:
 - service.prometheus.support
parameters:
  _param:
    prometheus_exporter_libvirt_port: 9177
  prometheus:
    exporters:
      libvirt:
        packages:
          - libvirt-exporter
        services:
          qemu:
            bind:
              address: 0.0.0.0
              port: ${_param:prometheus_exporter_libvirt_port}