Collecting cgroup memory stats using collectd and ansible

cgroups.conf.j2

LoadPlugin "table"
<Plugin table>
{% for vm in running_vms.list_vms %}
  <Table "/sys/fs/cgroup/memory/libvirt/lxc/{{ vm }}/memory.stat">
     Instance "{{ vm }}-memory"
     Separator " \\t"
     <Result>
       Type gauge
       InstancesFrom 0
       ValuesFrom 1
     </Result>
  </Table>
{% endfor %}
</Plugin>

play.yml

---
  hosts: all
  gather_facts: false
  tasks:
    - name: fetch list of running containers
      virt: command=list_vms state=running uri=lxc:///
      register: running_vms
      
    - name: setup collectd cgroup config
      template: src=cgroups.conf.j2 dest=/etc/collectd/conf.d/cgroups.conf mode=0600 owner=root group=root
      notify: restart collectd
      
  handlers:
    - name: restart collectd
      service: name=collectd state=restarted

forking to change from \\n to \\t according to collectd documentation