---
- name: Deploy web app to multiple environments
  hosts: all
  become: yes
  tasks:
    - name: Install web server # (安装软件）
	  yum:
 	    name: httpd
		state: present
	
	- name: Copy app code # (提前准备好网页文件，拷贝网页文件）
	  copy:
		src: /#存放网页的目录
		dest: /var/www/html
		owner: apache
		group: apache
		mode: 0755

	- name: Configure app # (提前准备好配置文件模板httpd_config.j2)
	  template:
		src: httpd_config.j2
		dest: /etc/httpd/conf.d/virt.conf
		mode: 0644
	  notify: restart app

	- name: Ensure app is running # (启动服务，设置开机自启)
	  service:
		name: httpd
		state: started
		enabled: yes

  handlers:
	- name: restart app # (更新配置文件后触发执行重启httpd)
	  service:
		name: httpd
		state: restarted