create-docker.yml

- hosts: localhost
  connection: local
  gather_facts: False
  tasks:
    - name: Provision single docker node on Ubuntu
      ec2:
         key_name: misko
         instance_type: '{{ item.type }}'
         region: ap-southeast-2
         image: ami-623c0d01
         wait: yes
         group: launch-wizard-1 
         count: 1
         vpc_subnet_id: subnet-583d681e
         assign_public_ip: yes
         instance_tags:
           hostname: '{{ item.hostname }}'
           tags: '{{ item.tags }}'
      with_items:
        - { type: 't2.large', hostname: 'docker-1', tags: 'docker' }
      register: ec2

    - name: Add new instance(s) to host group
      add_host: hostname={{ item.public_ip }} groupname=just-launched-docker
      with_items: '{{ec2.results[0].instances}}'
 
    - name: Create persistent storage volumes
      ec2_vol:
        instance: '{{ item[1] }}'
        volume_size: 5
        device_name: '{{ item[0] }}'
        region: ap-southeast-2
      with_nested: 
        - [sdd,sde,sdf]
        - '{{ec2.results[0].instance_ids}}'

    - name: Wait for SSH on the machine
      local_action: wait_for port=22 host="{{ item.public_ip }}" search_regex=OpenSSH delay=10
      with_items: '{{ec2.results[0].instances}}'

    - name: Nasty hack to enable Ansible
      shell: "ssh -o StrictHostKeyChecking=no ubuntu@{{item.public_ip}} sudo apt-get -y install python"
      with_items: '{{ec2.results[0].instances}}'

- hosts: just-launched-docker
  become: yes
  tasks:
    - name: create filesystem on volumes
      filesystem: fstype=ext4 dev=/dev/{{item}}
      with_items: [xvdd,xvde,xvdf]

    - name: mount devices
      mount: name=/mnt/kafka{{item.number}} src=/dev/{{item.device}} fstype=ext4 state=mounted
      with_items:
        - {number: 1, device: "xvdd"}
        - {number: 2, device: "xvde"}
        - {number: 3, device: "xvdf"}

- hosts: just-launched-docker
  become: yes
  roles: 
    - docker

- hosts: just-launched-docker
  become: yes
  roles:
    - docker-kafka