---
# ZFS event daemon and pool metrics for the node exporter. zed keeps its default zed.rc and
# logs to the journal, which journal_upload ships.
- name: Install the ZFS event daemon
  ansible.builtin.apt:
    name: zfs-zed
    install_recommends: false
    state: present

- name: Enable the ZFS event daemon
  ansible.builtin.systemd:
    name: zfs-zed
    enabled: true
    state: started
  # Check mode does not install the package.
  ignore_errors: "{{ ansible_check_mode }}"

- name: Install the pool metrics script
  ansible.builtin.template:
    src: zfs-pool-metrics.j2
    dest: /usr/local/sbin/zfs-pool-metrics
    mode: "0755"

- name: Install the pool metrics units
  ansible.builtin.template:
    src: "{{ item }}.j2"
    dest: /etc/systemd/system/{{ item }}
    mode: "0644"
  loop:
    - zfs-pool-metrics.service
    - zfs-pool-metrics.timer
  register: zfs_host_units

- name: Enable the pool metrics timer
  ansible.builtin.systemd:
    name: zfs-pool-metrics.timer
    enabled: true
    state: started
    daemon_reload: "{{ zfs_host_units.changed }}"
  # Check mode does not write the units.
  ignore_errors: "{{ ansible_check_mode }}"