---

- name: check if package files already exist
  stat:
    path: "/root/{{ item.name }}_{{ item.version }}_amd64.deb"
  loop:
    - name: prometheus-node-exporter
      version: 1.0.1+ds-1
    - name: prometheus-node-exporter-collectors
      version: 0+git20201003.8db38d1
    - name: moreutils
      version: 0.64-1
  register: prometheus_node_register_ucs_deb_stat

- name: download packages
  get_url:
    url: "https://{{ debian_mirror }}/debian/pool/main/{{ pfirst | urlencode() }}/{{ package | urlencode() }}/{{ package | urlencode() }}_{{ version | urlencode() }}_amd64.deb"  # noqa 204
    dest: "/root/{{ package }}_{{ version }}_amd64.deb"
  vars:
    pfirst: "{{ item.item.name[:1] }}"
    package: "{{ item.item.name }}"
    version: "{{ item.item.version }}"
  when: not item.stat.exists
  loop: "{{ prometheus_node_register_ucs_deb_stat.results }}"

- name: install packages
  apt:
    deb: "/root/{{ item.item.name }}_{{ item.item.version }}_amd64.deb"
  loop: "{{ prometheus_node_register_ucs_deb_stat.results }}"

- name: start prometheus-node-exporter.service
  systemd:
    name: prometheus-node-exporter.service
    state: started
    enabled: yes

- name: start prometheus-node-exporter-apt.timer
  systemd:
    name: prometheus-node-exporter-apt.timer
    state: started
    enabled: yes

- name: install smartmontools
  apt:
    name: smartmontools
    state: present
  when:
    - ansible_virtualization_role == 'host'

- name: start prometheus-node-exporter-smartmon.timer
  systemd:
    name: prometheus-node-exporter-smartmon.timer
    state: "{{ (ansible_virtualization_role == 'host' and not smartmon_exporter_force_off) | ternary('started', 'stopped') }}"
    enabled: "{{ ansible_virtualization_role == 'host' }}"

- name: check firewall settings in ucr
  command: "/usr/sbin/ucr get {{ item.name }}"
  changed_when: no
  check_mode: no
  loop:
    - name: security/packetfilter/tcp/9101/all
      value: ACCEPT
    - name: security/packetfilter/tcp/9101/all/en
      value: prometheus-node-exporter
  register: prometheus_node_register_ucs_ucr

- name: set firewall settings in ucr
  command: "/usr/sbin/ucr set {{ item.item.name }}={{ item.item.value }}"
  changed_when: yes
  notify:
    - ucr commit
  when: item.stdout != item.item.value
  loop: "{{ prometheus_node_register_ucs_ucr.results }}"