- name: 部署 nginx
  hosts: node1
  gather_facts: no
  vars:
    main_conf: nginx.conf.j2
    sub_conf: default.conf
  tasks:
    - name: 传输仓库文件
      copy:
        src: nginx.repo
        dest: /etc/yum.repos.d/nginx.repo
    - name: 安装 nginx
      yum: name=nginx state=present

    - name: 利用模板文件，设置主配置文件
      template:
        src: "{{ main_conf }}"
        dest: /etc/nginx/nginx.conf
      tags: update

      # 触发任务
      notify: reload nginx server

    - name: 子配置文件
      copy:
        src: "{{ sub_conf }}"
        dest: /etc/nginx/conf.d/
      tags: update
      notify: reload nginx server

    - name: check nginx syntax
      shell: /usr/sbin/nginx -t
      register: nginxsyntax
      tags: update

    - name: 启动 nginx 服务
      when: nginxsyntax.rc == 0
      systemd: name=nginx state=started

  handlers:
    - name: reload nginx server
      when:
        - nginxsyntax.rc == 0
      systemd: name=nginx state=reloaded