playbook.yml

- hosts: [elastic-mongo]
  remote_user: user
  tasks:
      - name: Install elastic search and mongodb
        apt: name={{ item }} state=installed
        with_items:
            - elasticsearch
            - mongodb
        become: true

- hosts: [elastic]
  remote_user: user
  tasks:
      - name: Install elastic search
        apt: name={{ item }} state=installed
        with_items:
            - elasticsearch
        become: true

- hosts: [database]
  remote_user: user
  tasks:
      - name: Install mysql
        apt: name={{ item }} state=installed
        with_items:
            - mysql-server
        become: true

- hosts: [app-nginx-cache]
  remote_user: user
  tasks:
      - name: Install nginx, redis, varnish, supervisor, git and virtualenv
        apt: name={{ item }} state=installed
        with_items:
            - nginx
            - redis-server
            - redis-tools
            - varnish
            - supervisor
            - git
            - virtualenv
        become: true