---
# Redis setup tasks

- name: Install Redis
  ansible.builtin.apt:
    name:
      - redis-server
      - redis-tools
    state: present
    update_cache: yes
  become: yes

- name: Configure Redis
  ansible.builtin.lineinfile:
    path: /etc/redis/redis.conf
    regexp: "{{ item.regexp }}"
    line: "{{ item.line }}"
    state: present
  become: yes
  loop:
    - { regexp: '^bind', line: 'bind 127.0.0.1 ::1' }
    - { regexp: '^protected-mode', line: 'protected-mode yes' }
    - { regexp: '^maxmemory', line: 'maxmemory 256mb' }
    - { regexp: '^maxmemory-policy', line: 'maxmemory-policy allkeys-lru' }
    - { regexp: '^save', line: 'save 900 1' }
  notify: Restart Redis

- name: Ensure Redis is started and enabled
  ansible.builtin.systemd:
    name: redis-server
    state: started
    enabled: yes
  become: yes

- name: Test Redis connection
  ansible.builtin.command:
    cmd: redis-cli ping
  register: redis_ping
  changed_when: false
  failed_when: redis_ping.stdout != "PONG"