Modify class variable in puppet

[CedrX]

Hi
I would like to modify a class variable.
This variable contains a list of packages to install
The goal is to make this list of packages different for each type of os (case $operatingsystem)

Here uis my code

class pack_utils {
        $packages = [
          "curl",
          "htop",
          "lshw",
          "lsof"
        ]
       
     case $operatingsystem {
           debian, ubuntu : {
                        #  Here i would like to add packages name in array packages defined above
                        notice("value of packages: $packages")

           }
        }
 

        package { $packages:
                  ensure => present,
        }

 }

How i can do to modify the value of $packages ?
Thanks in advance

CedrX

[CedrX]

I have the answer.
I read here : https://groups.google.com/forum/#!topic/puppet-users/I9Y-p3UY8JE that variables are immutable

[Johan De Wit]

have a look at hiera ta achieve what you want.

If you have an hierarchy like

"%{::osfamily}"

You can create some yaml files in

etc/puppet/hieradata/RedHat.yaml

---
  pack_util::packages:
    - curl
    - htop
   

and in

/etc/puppet hieradata/Debian.yaml


---
  pack_util::packages:
    - curl_deb
    - htop_deb
  

And so on.

Assuming you are using puppet 3

This is one possible way, and check the docs for the correct syntax and usage, but is shouls get you going

Hope this helps

Jo

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Johan De Wit

Open Source Consultant

Red Hat Certified Engineer         (805008667232363)
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[Rafael Cristaldo]

I think this is the best way!

# Class packages

 class pack_utils {

        case $operatingsystem {
          'debian','ubuntu' : {$packages = 'apache2'}

          'redhat','centos' : {$packages = 'httpd'}
        }

        package { $packages:
                  ensure => installed,
        }

 }