system-config/playbooks/roles/logrotate/tasks/main.yaml

- name: Check for filename
  fail:
    msg: Must set logrotate_file_name for logfile to rotate
  when: logrotate_file_name is not defined

- assert:
    that:
      - logrotate_frequency in ('hourly', 'daily', 'weekly', 'monthly', 'yearly', 'size')
    fail_msg: Invalid logrotate_frequency

- assert:
    that:
      - logrotate_size
    fail_msg: Must specify size for rotation
  when: logrotate_frequency == 'size'

# Hash the full path to avoid any conflicts but remain idempotent.
# "/var/log/ansible/ansible.log" becomes "ansible.log.37237.conf" for example
- name: Create a unique config name
  set_fact:
    logrotate_generated_config_file_name: "{{ logrotate_file_name | basename }}.{{ (logrotate_file_name|hash('sha1'))[0:5] }}.conf"

- name: 'Install {{ logrotate_file_name }} rotatation config file'
  template:
    src: logrotate.conf.j2
    dest: '/etc/logrotate.d/{{ logrotate_config_file_name|default(logrotate_generated_config_file_name) }}'
    owner: root
    group: root
    mode: 0644