- hosts: localhost
  connection: local
  pre_tasks:
   - fail: msg=" Please make sure the variables  id is specified and unique in the command line -e id=uniquedev1"
     when: id is not defined
   
  roles: 
   - role: ec2 
     type: dns 
     ncount: 1
   
   - role: ec2 
     type: mq 
     ncount: 3
   
   - role: ec2 
     type: broker
     ncount: 2
   
   - role: ec2 
     type: nodes
     ncount: "{{ count }}"
  
  post_tasks:
   - name: Wait for the instance to come up
     wait_for: delay=10 host={{ item.public_dns_name }} port=22 state=started timeout=360
     with_items: ec2.instances 
    
   - debug: msg="{{ groups }}"
 
- hosts: all:!localhost
  user: root
  roles:
      - role: common

- hosts: dns
  user: root
  roles:
      - role: dns

- hosts: mongo_servers
  user: root
  roles:
      - role: mongodb

- hosts: mq
  user: root
  roles:
      - role: mq

- hosts: broker
  user: root
  roles:
   - role: broker

- hosts: nodes
  user: root
  roles:
   - role: nodes