An example of using the riak module. The riak state didn't exist yet, hence using module.run to execute a module function. The key point here is the use of the publish.publish to query the ip address of the 'riak00' server.

gistfile1.py

riak-repo:
  pkgrepo.managed:
    - name: deb http://apt.basho.com precise main
    - disabled: False
    - key_url: http://apt.basho.com/gpg/basho.apt.key
    - require_in:
      - pkg: riak

riak:
  pkg.installed

/etc/riak/app.config:
  file:
    - managed
    - source: salt://riak/app.config
    - template: jinja
    - require:
      - pkg: riak

/etc/riak/vm.args:
  file:
    - managed
    - source: salt://riak/vm.args
    - template: jinja
    - require:
      - pkg: riak


riak.start:
  module:
    - run 
    - require:
      - file: /etc/riak/app.config
      - file: /etc/riak/vm.args

riak.cluster_join:
  module:
    - run 
    - riak_user: riak
    - riak_host: {{ salt['publish.publish']('riak00', 'network.ip_addrs')['riak00']['ret'].pop() }}
    - require:
      - module: riak.start

gistfile2.yml

# Add this to your master config



peer:
  'riak*':
    - network.ip_addrs