- hosts: riak_cluster
  sudo: True
  tasks:
  - name: Create a group based on riak node type.
    group_by: key={{ node_type }}
  - name: collect riak facts
    riak: command=ping
    register: riak_outputs

- hosts: middle:last
  vars:
     primary_node: "{{ hostvars[groups['primary'][0]]['riak_outputs']['node_name'] }}"
  sudo: True
  tasks:
  - name: join riak cluster
    riak: command=join target_node={{ primary_node }}

- hosts: last
  sudo: True
  tasks:
  - name: plan cluster changes
    riak: command=plan
    notify:
    - commit cluster changes
    - wait for handoffs
    - wait for ring

  handlers:
  - include: roles/riak/common/handlers/main.yml