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:
<blockquote>
$home_fact = "home_${user_name}"
$homedir = inline_template("<%= scope.lookupvar('::${home_fact}') %>")
</blockquote>
Going with this, you should be able to pass in your NIC label and then :
<blockquote>
$my_ip_setup = "ipaddress_${my_default_nic}"
$my_ip = inline_template("<%= scope.lookupvar('::${ my_ip_setup }') %>")
</blockquote>
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)
----- Original Message -----
From: "smalderma" <salderm...@udayton.edu>
To: puppet-users@googlegroups.com
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!
<blockquote>
$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,
}
}
</blockquote>
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