kubespray/roles/etcd/handlers/backup_cleanup.yml

---
- name: Find old etcd backups
  ansible.builtin.find:
    file_type: directory
    recurse: false
    paths: "{{ etcd_backup_prefix }}"
    patterns: "etcd-*"
  register: _etcd_backups
  when: etcd_backup_retention_count >= 0
  listen: Restart etcd

- name: Remove old etcd backups
  ansible.builtin.file:
    state: absent
    path: "{{ item }}"
  loop: "{{ (_etcd_backups.files | sort(attribute='ctime', reverse=True))[etcd_backup_retention_count:] | map(attribute='path') }}"
  when: etcd_backup_retention_count >= 0
  listen: Restart etcd