How to differ OS Versions in Modules?

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Akai

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Nov 19, 2016, 3:56:38 PM11/19/16

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Hello together,

in one of my modules i want to do different variable initialization depends by the version of the used operating system.
I found examples who show of to differ between Debian and OpenBSD for example, but in my case, i want to differ between Windows Server 2012R2 and Windows Server 2016 - so they are both Windows operating Systems. Is it possible to differ by the version number or sth. ? If yes, how i do that?

thanks for any help

best regards

Akai

Rob Nelson

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Nov 19, 2016, 5:23:06 PM11/19/16

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You can use facts and 'if' conditionals or 'case' selectors and test the OS facts. IIRC that would be kernel (windows or Linux) and operatingsystemmajrelease (2008, 2008R2, etc.) in puppet 3 and deeper within the $facts['os'] on puppet 4 or 3 with future parser and structured facts - but double check that. You can run `facter -p` on a sample node to see what facts exist that contain what you are looking for.

You might also review a module like puppetlabs/ntp to see some examples of using conditionals to set defaults, in the params class. The latest version is puppet 4 only but the v4.x train of the module supports puppet 3.

Please note, puppet 3 support ends on 12/31/2016 so please start targeting puppet 4 only or ensure you are future proofing so you can transition from 3 to 4 quickly.

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