gistfile1.txt

# If this is a large instance we need to locate the database host.
if node.chef_environment.include?('large')

  nodes = search(:node, "name:#{node.foobar.instance_name}*")
  log "nodes found: #{nodes.count()}"
  # Looking for the database host
  nodes.each do |n|
    # If the database host exists, get its servicenet IP, otherwise fail
    # the run.
    if n.name.index('-db')
      node.set['foobar']['db']['host_ip'] = n.cloud.private_ips[0]
    end

  end

end