---

- name: Create required directories
  file:
    state: directory
    path: "{{ item }}"
    owner: "{{ system_user }}"
    group: "{{ system_user }}"
    mode: u=rwx,g=rx,o=
  loop:
    - "{{ redis_directory }}"
    - "{{ data_directory }}"
    - "{{ run_directory }}"

- name: Configure instance
  template:
    src: redis.conf
    dest: "{{ configuration_file }}"
    owner: root
    group: "{{ system_user }}"
    mode: u=rw,g=r,o=
  register: configuration_file_task

- name: Configure service for instance
  template:
    src: redis.service
    dest: "{{ service_file }}"
    owner: root
    group: root
    mode: u=rw,g=r,o=
  notify:
    - reload systemd
  register: service_file_task

- meta: flush_handlers

# TODO transfer to handler when handler reloading is possible
- name: Restart service if changes were applied
  systemd:
    name: "{{ service_name }}"
    state: restarted
  when: configuration_file_task.changed or service_file_task.changed

- name: Enable and start instance service
  systemd:
    name: "{{ service_name }}"
    state: started
    enabled: yes