Sharing data by jacking exported resources

shell.sh

[root@puppet2017 ~]# cat /tmp/test.pp
$epptemplate = @(EPP/L)
  <%- | $nodes | -%>

  My nodes:
  <% $nodes.each |$n| { -%>
  Hostname: <%= $n[0] %>
  IP: <%= $n[1] %>
  <% } -%>
  | EPP

notify { 'Data collected':
  message => inline_epp($epptemplate, {
    'nodes' => share_data::retrieve('foobar')
  }),
}
[root@puppet2017 ~]# puppet apply /tmp/test.pp
Notice: Compiled catalog for puppet2017.1.1.puppetlabs.vm in environment production in 0.25 seconds
Notice:
My nodes:
Hostname: node1
IP: 10.0.2.15
Hostname: puppet2017
IP: 10.0.2.15

Notice: /Stage[main]/Main/Notify[Data collected]/message: defined 'message' as '
My nodes:
Hostname: node1
IP: 10.0.2.15
Hostname: puppet2017
IP: 10.0.2.15
'
Notice: Applied catalog in 0.24 seconds

some_node.pp

# Put this somewhere in node's classification
share_data { $fqdn:
  data  => [ $hostname, $ipaddress ],
  label => 'foobar',
}

Repo: https://github.com/WhatsARanjit/puppet-share_data