setup-wordpress.yml

---
# 建置 wordpress 系統的工作流程
- hosts: "{{ target_host }}"
  vars_files:
    - ./wordpress-version.yml
    - ./vars-credentials.yml
  tasks:
    # 設定伺服器
    - include: ../configure-server/configure-server.yml

    # 以下兩步要安裝建置 wordpress 用的 wp-cli
    - name: 安裝 wp-cli 到 /usr/local/bin 並設定權限為 755
      get_url:
        url: https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
        dest: /usr/local/bin
        mode: 0755
      become: yes
      become_user: root
    
    - name: 將 wp-cli.phar 改名為 wp
      command: mv /usr/local/bin/wp-cli.phar /usr/local/bin/wp
      become: yes
      become_user: root
    
    # 若需要清空可能已存在的資料，則執行這兩步作業
    - name: "清空網站目錄內容 (若有的話)"
      file:
        path: "{{ project_path }}/{{ host_name }}"
        state: absent
      become: yes
      become_user: root
      when: should_clean_up_env_before_setup == true
    
    - name: 重新建立 wordpress 網站資料夾
      file:
        path: "{{ project_path }}/{{ host_name }}"
        state: directory
      become: yes
      become_user: root
    
    - name: 安裝 wordpress
      command: "/usr/local/bin/wp core download --path={{ project_path }}/{{ host_name }} --version={{ wp_version }}"
      become: yes
      become_user: root
    
    - name: 設定 wordpress (加入 wp-config.php)
      command: |
        /usr/local/bin/wp config create
        --dbname={{ wp_db_name }}
        --dbuser={{ mariadb_wp_user }}
        --dbpass={{ mariadb_wp_user_pwd }}
        --path={{ project_path }}/{{ host_name }}
      become: yes
      become_user: root  
    
    # 接下來兩項作業都是為了確保將來系統能協助更新擴充套件
    
    - name: 開放 apache 存取專案錄的權限以利後續手動更新套件
      acl:
        path: "{{ project_path }}/{{ host_name }}"
        state: present
        # 以下這會讓目標目錄「未來增加」的子目錄都繼承目前的 acl 設定
        default: yes
        # recursive 與 default 的差別在於 recursive 使「目前」的子目錄都繼承目前的 acl 設定
        recursive: yes
        entity: apache
        etype: group
        permissions: rwx
      become: true
      become_user: root
    
    - name: 額外設定 wordpress
      command: "/usr/local/bin/wp config set FS_METHOD direct --path={{ project_path }}/{{ host_name }}"
      become: yes
      become_user: root
    
    # 接下來繼續回來安裝 wordpress
    
    - name: 啟動 httpd
      service:
        name: httpd
        state: started
      become: yes
      become_user: root
    
    - name: 初始化 wordpress
      command: |
        /usr/local/bin/wp core install
        --path={{ project_path }}/{{ host_name }}
        --url={{ host_name }}
        --title={{ wp_title }}
        --admin_user={{ wp_admin_user }}
        --admin_password={{ wp_admin_password }}
        --admin_email={{ wp_admin_email }}
      become: yes
      become_user: root
    
    - name: 安裝 wordpress 擴充套件
      command: |
        /usr/local/bin/wp plugin install {{ item.name }}
        --path={{ project_path }}/{{ host_name }}
        --version={{ item.version }}
      become: true
      become_user: root
      loop: "{{ wp_plugins }}"

    - name: 設定 wordpress permalink 的格式
      # 之所以要做這件事的原因是要讓 wp rest api 以路徑的方式提供服務，而不是用請求參數提供服務
      # 詳見: https://developer.wordpress.org/rest-api/#routes-endpoints
      command: |
        /usr/local/bin/wp option update permalink_structure '/%year%/%monthnum%/%postname%/'
        --path={{ project_path }}/{{ host_name }}
      become: yes
      become_user: root
    
    - name: 重新啟動 httpd
      service:
        name: httpd
        state: restarted
      become: yes
      become_user: root

    # name: 設定按時自動備份 wordpress 的排程
    - include: ../setup-wordpress-backup-scedule/setup-wordpress-backup-scedule.yml