Thanks guys! That was simpler than I thought. I had not had an reason to
dive into an inline template before, so it was a feature that I've read
about, but not leveraged.
I ended up applying John's method of using an inline template for the ip,
mac, and netmask. The inline template seems to do the trick!
On Monday, November 18, 2013 12:50:32 PM UTC-5, Ygor wrote:
>
> Here is what I did along the same lines:
>
> I made a custom fact that makes a fact of all user home directories:
>
> modules/users/lib/facter/user_home.rb
> require 'etc'
>
> Etc.passwd { |user|
>
> Facter.add("home_#{user.name}") do
> setcode do
> user.dir
> end
> end
>
> }
>
> Then, in a dot-pp file, I did this:
>
> $home_fact = "home_${user_name}"
> $homedir = inline_template("<%= scope.lookupvar('::${home_fact}') %>")
>
> Going with this, you should be able to pass in your NIC label and then :
>
> $my_ip_setup = "ipaddress_${my_default_nic}"
> $my_ip = inline_template("<%= scope.lookupvar('::${my_ip_setup}') %>")
>
> Hope this works for you. Let us all know, please.
>
> “Sometimes I think the surest sign that intelligent life exists elsewhere
> in the universe is that none of it has tried to contact us.”
> Bill Waterson (Calvin & Hobbes)
>
> ------------------------------
> *From: *"smalderma" <salde...@udayton.edu <javascript:>>
> *To: *puppet...@googlegroups.com <javascript:>
> *Sent: *Monday, November 18, 2013 11:50:44 AM
> *Subject: *[Puppet Users] Is it possible to evaluate a string as a
> parameter name?
>
> Hi,
> I'm looking to combine a couple of fact names with the value of a class
> parameter to create and lookup the resulting fact's value. Is that
> possible? For example, my class will take the parameter "my_default_nic"
> from beyond. So I know that as long as $my_default_nic exists on the
> client, then so will facts like macaddress_<NIC>, netmask_<NIC>, and
> ipaddress_<NIC>. So I'm looking for a way to formulate those fact names
> and evaluate the result...
>
> Is this at all possible? Thanks for your thoughts!
>
> $my_default_nic = 'eth1'
>> $ip_method = 'static'
>> $my_ip = ??????????? ### <- should end up
>> looking like the value of $::ipaddress_eth1 with out hardcoding eth1
>> $my_netmask = ????????? ### <- <same idea as $my_ip>
>>
>> case $ip_method {
>> 'static': {
>> network::static { $my_default_nic:
>> ensure => up,
>> ipaddress => $my_ip,
>> netmask => $my_netmask,
>> }
>> }
>> /(?i:dhcp|dynamic)': {
>> network::dynamic { $my_default_nic:
>> ensure => up,
>> }
>> }
>> default: {
>> network::dynamic { $my_default_nic:
>> ensure => down,
>> }
>> }
>>
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