---
- hosts: database
  become: true
  tasks:
    - name: parar mysql
      service: name=mysql state=stopped

- hosts: loadbalancer
  become: true
  tasks:
    - name: parar nginx
      service: name=nginx state=stopped

- hosts: webserver
  become: true
  tasks:
    - name: parar apache
      service: name=apache2 state=stopped