Speaking of modules, can you perform a hiera lookup() in a separate Puppet module? It appears if I do a lookup in the module, Puppet is trying to perform a lookup(), but returns as null even though it's in hiera within the module. Very odd.

Speaking of modules, can you perform a hiera lookup() in a separate Puppet module vs in puppet-control? It appears if I do a lookup in the module, Puppet is trying to perform a lookup(), but returns as null even though it's in hiera within the module. Very odd.

Great. Will give it a try. Thanks

Depends on how the system uses this data. I would tend to write it this way where I assume the logic built into the module is going to key of the OS and give me roughly the data I want. Then I can mostly skip logic in the manifests.

class dc_agent(
  String[1] $src_file,
) {

  file { $src_file: }

  if $facts['os']['family'] include ['Debian',RedHat'] {
    contain dc_agent::linux
  } else {
    contain dc_agent::windows
  }

class dc_agent::linux {

   # linux specific thigns here 
}

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E.G. if you assigned the class desktopcentral_agent:install:linux , would manifests/init.pp still be called?

No. The class defined in

init.pp

is only declared if you explicitly declare it with something like the

include

function.

@natemccurdy so let's say I have something in hiera like:

module_foo::name:
  cats: 'bar'

I want to pull that in a class:

$hiera_key = 'cats'

foo = $module::name::$hiera_key

How can I assign foo like that? Puppet doesnt seem to let me

@natemccurdy so let's say I have something in hiera like:

module_foo::name:
  cats: 'bar'

I want to pull that in a class:

$hiera_key = 'cats'

foo = $module_foo::name::$hiera_key

How can I assign foo like that? Puppet doesnt seem to let me

i need to configure some environment variables that will be present during the puppet run. its my understanding i could put these into

/etc/sysconfig/puppet

. im just wondering how it works if i add to this file with puppet also. would a run need to complete before the variables are present or is there some other way to configure env vars for a puppet run?

with init.pp , is that what's get called if you were to NOT specify a specific subclass? E.G. class { 'desktopcentral_agent': } opposed to class { 'desktopcentral_agent::install': }

Ignore the fact that it’s in

init.pp

for a second…. Look at the name of the class defined in init.pp

Ignore the fact that it’s in

init.pp

for a second…. Look at the name of the class defined in init.pp

Ah, that supports my rough understanding then.

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It's listed in the facter release notes: https://puppet.com/docs/puppet/7/release_notes_facter.html#release_notes_facter_4-2-11

is it pretty easy to publish a module from one environment to aother?

or do a push/sync?

E.G. work on tinkering with and modifying an existing module in test environment, once tested and ready publish sync it to prod. Or is git usually used for this?>> CD to the prod directory for that module and do a pull ?

Git is usually used for this. In particular, git branches are used and map 1:1 with Puppet environments.

The standard practice is to use a single git repository for your Puppet code, which by convention is called a “control repository”. There are tools out there that will deploy your control repository to your Puppetservers, turning each branch into a Puppet environment. In the open-source world, the most common tool is

r10k

. https://puppet.com/docs/pe/2021.7/managing_puppet_code.html This guide covers a lot of these topics, but leans heavily into the Puppet Enterprise features and its code deployment tool called “Code Manager”. However, the basic concepts of using a control repository, how to organize it, and how to deploy one apply to both open-source and Enterprise.

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Yes, you can do that with: • pull requests, or • merging directly with Git

@William Myers I use a repository for each module developed by my teams and two repositories for node declarations: one for staging nodes and another for production nodes

and this parameter in role:muleserver $configure_apache=true if ( $configure_apache == true ) { include apache } else { } not sure if its correct

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