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# DO Community Playbooks: Docker
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---
- hosts: all
  become: true
  vars_files:
    - vars/default.yml

  tasks:
    - name: Pull Wordpress image
      docker_image:
        name: "{{ image_name }}"
        source: pull
        force_source: yes

    - name: Ensure Host Directory exists
      file:
          path: "/var/lib/{{ http_host }}"
          state: directory
          group: www-data
          owner: www-data
          mode: 0655

    - name: Create Wordpress container
      docker_container:
        name: "{{ container_name }}"
        image: "{{ image_name }}"
        state: started
        restart_policy: "unless-stopped"
        env:
          WORDPRESS_DB_HOST: "{{ db_host }}"
          WORDPRESS_DB_USER: "{{ db_user }}"
          WORDPRESS_DB_PASSWORD: "{{ db_pass }}"
          WORDPRESS_DB_NAME: "{{ db_name }}"
        links:
          - "mariadb:db"
        published_ports:
          - "127.0.0.1:{{ web_port }}:80"
        volumes:
          - "/var/lib/{{ http_host }}:/var/www/html"

    - name: Check if Nginx conf file exists
      stat: path="/etc/nginx/sites-available/{{ http_conf }}"
      register: status

    - name: No need to reload Nginx
      debug: msg= {{ "No need to reload Nginx as sites-available entries have already been created" }}

    - name: Set Nginx conf file
      when: status.stat.exists == false
      template:
        src: "files/nginx.conf.j2"
        dest: "/etc/nginx/sites-available/{{ http_conf }}"

    - name: Enable new site
      when: status.stat.exists == false
      file:
        src: "/etc/nginx/sites-available/{{ http_conf }}"
        dest: "/etc/nginx/sites-enabled/{{ http_conf }}"
        state: link
      notify: Reload Nginx

  handlers:
    - name: Reload Nginx
      service:
        name: nginx
        state: reloaded