---
- hosts: control
  become: true
  roles:
    - control

- hosts: database
  become: true
  roles:
    - mysql

- hosts: loadbalancer
  become: true
  roles:
    - nginx

- hosts: webserver
  become: true
  roles:
    - apache2
    - demo_app

- hosts: loadbalancer
  become: true
  tasks:
    - name: verify nginx service
      command: service nginx status

    - name: verify nginx is listening on 80
      wait_for: port=80 timeout=1

- hosts: webserver
  become: true
  tasks:
    - name: verify apache2 service
      command: service apache2 status

    - name: verify apache2 is listening on 80
      wait_for: port=80 timeout=1

- hosts: database
  become: true
  tasks:
    - name: verify mysql service
      command: service mysql status

    - name: verify mysql is listening on 3306
      wait_for: port=3306 timeout=1

- hosts: control
  tasks:
    - name: verify end-to-end index response
      uri: url=http://{{item}} return_content=yes
      with_items: "{{ groups.loadbalancer }}"
      register: lb_index

    - fail: msg="index failed to return content"
      when: "'Hello, from sunny' not in item.content"
      with_items: "{{lb_index.results}}"

    - name: verify end-to-end db response
      uri: url=http://{{item}}/db return_content=yes
      with_items: "{{ groups.loadbalancer }}"
      register: lb_db

    - fail: msg="db failed to return content"
      when: "'Database Connected from' not in item.content"
      with_items: "{{lb_db.results}}"

- hosts: loadbalancer
  tasks:
    - name: verify backend index response
      uri: url=http://{{item}} return_content=yes
      with_items: "{{ groups.webserver }}"
      register: app_index

    - fail: msg="index failed to return content"
      when: "'Hello, from sunny' not in item.content"
      with_items: "{{app_index.results}}"

    - name: verify backend db response
      uri: url=http://{{item}}/db return_content=yes
      with_items: "{{ groups.webserver }}"
      register: app_db

    - fail: msg="db failed to return content"
      when: "'Database Connected from' not in item.content"
      with_items: "{{app_db.results}}"