Build cisco device.conf with epp, iteration, and magic

device.conf.epp

#THIS FILE IS MANAGED BY PUPPET

<% $device::data.each | $switch | { -%>
[<%= $switch['certname'] %>]
type cisco
url ssh://<%= $switch['username'] %>:<%= $switch['password'] %>@<%= $switch['hostname'] %>

<% } -%>

init.pp

$data = [
  {
    'certname' => 'switch1',
    'username' => 'larry',
    'password' => 'hunter2',
    'hostname' => 'switch1.foo.net',
  },
  {
    'certname' => 'switch2',
    'username' => 'moe',
    'password' => 'hunter2',
    'hostname' => 'switch2.foo.net',
  },
  {
    'certname' => 'switch3',
    'username' => 'curly',
    'password' => 'hunter2',
    'hostname' => 'switch3.foo.net',
  },
]

file { '/tmp/device.conf':
  ensure  => file,
  content => epp('device/device.conf.epp'),
}