christianlempa-boilerplates/ansible/maintenance/maint-diskspace.yaml

---
- name: Check disk space
  hosts: "{{ my_hosts | d([]) }}"

  tasks:
    - name: Check disk space available
      ansible.builtin.shell:
        cmd: |
          set -euo pipefail
          df -Ph / | awk 'NR==2 {print $5}'
        executable: /bin/bash
      changed_when: false
      check_mode: false
      register: disk_usage

    # - name: Send discord message when disk space is over 80%
    #   uri:
    #     url: "your-webhook"
    #     method: POST
    #     body_format: json
    #     body: '{"content": "Disk space on {{ inventory_hostname }} is above 80%!"}'
    #     headers:
    #       Content-Type: application/json
    #     status_code: 204
    #   when: disk_usage.stdout[:-1]|int > 80