nova/files/collectd_libvirt.conf

{%- set plugin_name = "libvirt" if grains['oscodename'] == 'trusty' else 'virt' %}
<LoadPlugin {{ plugin_name }}>
  Globals false
</LoadPlugin>

<Plugin "{{ plugin_name }}">
  Connection "qemu:///system"
  RefreshInterval 60
  HostnameFormat "uuid"
</Plugin>