編輯角色 apache 任務

1. 編輯任務主檔 main.yml，新增任務：
   1. 安裝最新版本的 httpd
   2. 設定 htppd 開機啟動且立即啟動
   3. 防火牆開放 http 服務

   [deyu1@kvm19 ansible]$ vim roles/apache/tasks/main.yml
   [deyu1@kvm19 ansible]$ cat roles/apache/tasks/main.yml
   ---
   - name: install the latest version of Apache
     yum:
       name: httpd
       state: latest
   
   - name: Start service httpd
     service:
       name: httpd
       state: started
       enabled: yes
   
   - name: Enable service firewalld
     service:
       name: firewalld
       enabled: yes
       state: started
   
   - name: firewalld add http service
     firewalld:
       service: http
       permanent: yes
       state: enabled
       immediate: yes