Passing undef to a parameter doesn't unset it. It's the same as not passing
it. I do not believe there is a standard way to unset a parameter with a
default value. You can set it to '', 0, false, or another appropriate
"unset" value depending on how it is to be used, though.
Rob Nelson
rnels...@gmail.com
On Sat, Apr 23, 2016 at 3:46 PM, Erik Anderson <erik.ander...@mx.com> wrote:
> On Puppet 4.4.1
>
> I ran the following:
>
> class testingclass(
> $cmd_path = 'PluginDir',
> ){
> $message_ntfy = "cmd_path is set to: ${cmd_path} for ${name}"
> notify { $message_ntfy: }
> }
>
>
> define testingdefine(
> $cmd_path = 'PluginDir',
> ){
> $message_ntfy = "cmd_path is set to: ${cmd_path} for ${name}"
> notify { $message_ntfy: }
> }
>
>
> node default {
>
>
> class {'testingclass':
> cmd_path => undef,
> }
>
>
> testingdefine { 'testingdefinedefaults': }
> testingdefine { 'testingdefineundef':
> cmd_path => undef,
> }
> }
>
> I expect cmd_path to be set to undef for the class and testingdefineundef.
> Instead it looks like all three end up with the same value for cmd_path:
>
> erik.anderson@puppetmaster1:~$ sudo puppet apply test.pp
> Warning: Config file /etc/puppetlabs/code/hiera.yaml not found, using
> Hiera defaults
> Notice: Compiled catalog for sa-sand-puppetmaster1.sa.moneydesktop.com in
> environment production in 0.15 seconds
> Notice: cmd_path is set to: PluginDir for testingclass
> Notice: /Stage[main]/Testingclass/Notify[cmd_path is set to: PluginDir for
> testingclass]/message: defined 'message' as 'cmd_path is set to:
> PluginDir for testingclass'
> Notice: cmd_path is set to: PluginDir for testingdefinedefaults
> Notice: /Stage[main]/Main/Node[default]/Testingdefine[
> testingdefinedefaults]/Notify[cmd_path is set to: PluginDir for
> testingdefinedefaults]/message: defined 'message' as 'cmd_path is set to:
> PluginDir for testingdefinedefaults'
> Notice: cmd_path is set to: PluginDir for testingdefineundef
> Notice: /Stage[main]/Main/Node[default]/Testingdefine[testingdefineundef]/
> Notify[cmd_path is set to: PluginDir for testingdefineundef]/message:
> defined 'message' as 'cmd_path is set to: PluginDir for
> testingdefineundef'
> Notice: Applied catalog in 0.35 seconds
>
> Any ideas on why it is behaving this way and is it intentional?
>
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