---
- name: Deploy Redis for JuiceFS
  block:
    - name: Set Redis facts
      ansible.builtin.set_fact:
        redis_service_dir: "{{ ansible_env.HOME }}/.services/juicefs-redis"
        redis_password: "{{ lookup('community.general.onepassword', 'JuiceFS (Redis)', vault='Dotfiles', field='password') }}"

    - name: Create Redis service directory
      ansible.builtin.file:
        path: "{{ redis_service_dir }}"
        state: directory
        mode: "0755"

    - name: Deploy Redis docker-compose.yml
      ansible.builtin.template:
        src: docker-compose.yml.j2
        dest: "{{ redis_service_dir }}/docker-compose.yml"
        mode: "0644"
      register: redis_compose
      vars:
        REDIS_PASSWORD: "{{ redis_password }}"

    - name: Check if juicefs.service exists
      ansible.builtin.stat:
        path: /etc/systemd/system/juicefs.service
      register: juicefs_service_stat

    - name: Stop juicefs.service to umount JuiceFS
      ansible.builtin.systemd:
        name: juicefs.service
        state: stopped
        enabled: false
      register: juicefs_stop
      changed_when: juicefs_stop.changed
      when: redis_compose.changed and juicefs_service_stat.stat.exists

    - name: List containers that are running
      ansible.builtin.command: docker ps -q
      register: docker_ps
      changed_when: docker_ps.rc == 0
      when: redis_compose.changed

    - name: Stop all docker containers
      ansible.builtin.command: docker stop {{ item }}
      loop: "{{ docker_ps.stdout_lines }}"
      register: docker_stop
      changed_when: docker_stop.rc == 0
      when: redis_compose.changed
      ignore_errors: true

    - name: Start Redis service
      ansible.builtin.command: docker compose -f "{{ redis_service_dir }}/docker-compose.yml" up -d
      register: redis_start
      changed_when: redis_start.rc == 0

    - name: Wait for Redis to be ready
      ansible.builtin.wait_for:
        host: localhost
        port: 6379
        timeout: 30

    - name: Start juicefs.service to mount JuiceFS
      ansible.builtin.systemd:
        name: juicefs.service
        state: started
        enabled: true
      register: juicefs_start
      changed_when: juicefs_start.changed
      when: juicefs_service_stat.stat.exists

    - name: Restart containers that were stopped
      ansible.builtin.command: docker start {{ item }}
      loop: "{{ docker_stop.results | map(attribute='item') | list }}"
      register: docker_restart
      changed_when: docker_restart.rc == 0
      when: redis_compose.changed
  tags:
    - services
    - redis