Puppet users - Apr 2012 - Templating DHCP3-Server Need To Loop Through Subnets

I know the title doesn''t define what I am trying to do very well but
this is what I''d like to accomplish.

I have a params.pp which defines the subnets I would like to have
setup in my .dhcpd.conf.erb, but default the dhcpd.conf looks like
this:


subnet 192.168.10.0 netmask 255.255.255.0 {
  range 192.168.10.115 192.168.10.120;
  option broadcast-address 192.168.10.255;
  option routers 192.168.10.1;
  option subnet-mask 255.255.255.0;
  option domain-name-servers 192.168.10.12;
        option domain-name "arch.ecollege.com";
  filename "pxelinux.0";
  next-server 192.168.10.133;
}

But I''d like to make this in such a way that in my params.pp I have a
subnet variable like

$subnet = [ 192.168.10.0, 192.168.20.0, 192.168.30.0 ]

You get the idea, but for 192.168.10.0 I want to define the range, so:

$range = [ 192.168.10.115 192.168.10.120 ]

But I also want to define the range for 192.168.20.0 which might be a
different range then the 192.168.10 subnet..


I started with


<% scope.lookupvar(''dhcp3-server::params::subnet'').each do
|var| -%>
subnet <%= var %> netmask 255.255.255.0 {
    range ??

I''m not sure how to define the range for the 192.168.10 subnet vs the
192.168.20 subnet without having to build the file manually.

Maybe this isn''t possible? Any help is greatly appreciated.


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On Thu 26 Apr 2012 17:24:17 BST, Brian Carpio wrote:
> $subnet = [ 192.168.10.0, 192.168.20.0, 192.168.30.0 ]
> $range = [ 192.168.10.115 192.168.10.120 ]
Sounds like you need a Hash here:

$subnets = { ''192.168.10.0'' => ''192.168.10.115
192.168.10.120'',
                         ''192.168.20.0'' =>
''192.168.20.105
192.168.20.130'',
                      }

Then access it with something like:

<% subnets.each do |subnet,range| -%>
subnet <%= subnet %>
  range <%= range %>
<% end -%>

Hope that helps,
Greg
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Thanks Greg. Just what I was looking for!

Brian Carpio

On Apr 26, 10:43 am, Greg Sutcliffe <gsutcli...@ibahn.com>
wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On Thu 26 Apr 2012 17:24:17 BST, Brian Carpio wrote:
>
> > $subnet = [ 192.168.10.0, 192.168.20.0, 192.168.30.0 ]
> > $range = [ 192.168.10.115 192.168.10.120 ]
>
> Sounds like you need a Hash here:
>
> $subnets = { ''192.168.10.0'' =>
''192.168.10.115 192.168.10.120'',
>                          ''192.168.20.0'' =>
''192.168.20.105
> 192.168.20.130'',
>                       }
>
> Then access it with something like:
>
> <% subnets.each do |subnet,range| -%>
> subnet <%= subnet %>
>   range <%= range %>
> <% end -%>
>
> Hope that helps,
> Greg
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v2.0.19 (GNU/Linux)
> Comment: Using GnuPG with Mozilla -http://enigmail.mozdev.org/
>
> iEYEARECAAYFAk+ZexQACgkQ8O7RN8oK65P3DACeNr38heQ8cILSbEgbGW1CMhng
> ESsAniVsAJpfAoWklmCk+6qDCAwji/7d
> =M9cK
> -----END PGP SIGNATURE-----
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