- name: install redis
  apt:
    pkg:
      - redis
  register: redis_installed

- name: stop default redis
  when: redis_installed.changed
  systemd:
    name: redis
    state: stopped

- name: clean up default files
  when: redis_installed.changed
  file:
    path: "{{ item }}"
    state: absent
  loop:
    - "/etc/systemd/system/redis.service"
    - "/etc/systemd/system/multi-user.target.wants/redis-server.service"
    - "/etc/redis/redis.conf"
    - "/var/lib/redis"

- name: deploy redis systemd unit
  copy:
    src: redis@.service
    dest: /etc/systemd/system/redis@.service
  notify:
    - systemd daemon reload

- name: deploy redis directories
  file:
    path: "/var/lib/redis-{{ item.name }}"
    state: directory
    owner: redis
    group: redis
    mode: '0750'
  loop: "{{ redis.instances }}"

- name: configure redis
  template:
    src: redis.conf.j2
    dest: "/etc/redis/redis-{{ item.name }}.conf"
    owner: redis
    group: redis
    mode: 0640
  loop: "{{ redis.instances }}"
  register: configs_changed
  notify:
    - restart and enable redis