using an array of hashes from hiera in a template with puppet

common.yaml

---
sockets:
  - id: 'one'
    address: '127.0.0.1'
    port: '8001'
  - id: 'two'
    address: '127.0.0.2'
    port: '8002'

test.pp

$sockets = hiera('sockets')
notice(inline_template("
<% @sockets.each do |socket| -%>
id=<%= socket['id'] %>
address=<%= socket['address'] %>
port=<%= socket['port'] %>
<% end -%>
"))