Get disk usage with Ansible

get_fs_info.yml

- name: Show FS info
  hosts: all
  gather_facts: yes
  tasks:
  - setup:

  - name: Create summary report
    template:
       src: 'summary.txt.j2'
       dest: reports/summary.txt
       backup: yes
    become: no
    delegate_to: localhost
    run_once: true

summary.txt.j2

{% for host in hostvars %}
{% for mount in hostvars[host].ansible_mounts %}
{{ host }},{{ hostvars[host].ansible_fqdn }},{{ mount.mount }},{{ mount.size_available }},{{ mount.size_total }}
{% endfor %}
{% endfor %}