---
- name: "list previous host configs"
  shell: ls -1 /etc/icinga2/conf.d/ansible_routeros/ | sed -e 's/\.[^\.]*$//'
  register: previous_hosts
  delegate_to: localhost
  run_once: true
  changed_when: false

- name: "create conf file for host"
  template:
    src: "host"
    dest: "/etc/icinga2/conf.d/ansible_routeros/{{ inventory_hostname }}.conf"
  notify:
    - reload icinga2

- name: "remove stale hosts"
  file:
    path: "/etc/icinga2/conf.d/ansible_routeros/{{ item }}.conf"
    state: absent
  with_items: "{{ previous_hosts.stdout_lines }}"
  when: "hostvars[item] is undefined"
  delegate_to: localhost
  run_once: true
  notify:
    - reload icinga2

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