Puppet users - Mar 2013 - How to loop through entries in nodes definition for puppet

Could someone please help me understand how I could loop through the 
following nodes definition in my templates file?

ip::addr{ "as2s67v":
    ip0 => "192.168.30.0",
    pre0 => "/24",
    ip1 => "172.45.35.0",
    pre1 => "/16",
    ip2 => "145.88.88.0",
    pre2 => "/24",
}

I''d like to print out the above using my template file, however I
can''t be
certain of how many entries will exist, I want to end up with a file like 
so:

server: as2s67v
ipaddress0 = "192.168.30.0"
prefix0 = "24"
ipaddress1 = "172.45.35.0"
prefix1 = "16"
ipaddress2 = "145.88.88.0"
prefix2 = "24"
 

How could I go about achieving this?

thanks Dan

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> I''d like to print out the above using my template file, however I
> can''t be certain of how many entries will exist, I want to end up
> with a file like so:
pass a hash to your ip::addr define and loop over keys/values as
indication which interfaces to you have with which values:

ip::addr{''bla'':
  interfaces => {
    ''eth0'' => {
      ip     => 0.0.0.0,
      prefix => ''/24''
    }
    ''eth1'' => {
      ip     => 1.0.0.0,
      prefix => ''/24''
    }
  }
}

template:


server: <%= name %>
<% interfaces.keys.sort.each_with_index do |k,i| -%>
ipaddress<%= i %> = "<%=
interfaces[k][''ip'']"
prefix<%= i %> = "<%=
interfaces[k][''prefix'']"
<% end -%>

~pete
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