一、架構

1.主機

ansible+haproxy+（RS1&RS2）

2.mark down方式

haproxy基於內容檢測後端RS

二、play-book檔案

vim /etc/ansible/hosts

[nginx-web]
        192.168.17.175
        192.168.17.176

vim  /etc/ansible/web.yml

---
- hosts: nginx-web
  remote_user: root
  serial: 1
  vars: 
  - check: /data/web/xiaomi/check.html 
 
  tasks:

  - name: state_down
    copy: content="down" dest={{ check }}

  - name: sleep
    shell: sleep 5

  - name: stop_servive
    service: name={{ item }} state=stopped
    with_items:
    - nginx
    - php-fpm
  - name: deploy
    copy: src=/tmp/xiaomi1  dest=/data/web/ force=yes
  - name: link
    file: src=/data/web/xiaomi1  dest=/data/web/xiaomi  state=link
  - name:
 
 state_ok
    copy: content="ok" dest={{ check }}
  - name: start_service
    service: name={{ item }} state=started
    with_items:
    - nginx
    - php-fpm